From 6dd317d14d374fbe7d0c61a0e358aa54f6f2b8cb Mon Sep 17 00:00:00 2001 From: HwangKC Date: Fri, 24 May 2024 12:23:42 +0800 Subject: [PATCH] s --- .gitignore | 3 + sdk/include/cgicc/CgiDefs.h | 63 + sdk/include/cgicc/CgiEnvironment.cpp | 363 + sdk/include/cgicc/CgiEnvironment.h | 580 + sdk/include/cgicc/CgiInput.cpp | 53 + sdk/include/cgicc/CgiInput.h | 164 + sdk/include/cgicc/CgiUtils.cpp | 282 + sdk/include/cgicc/CgiUtils.h | 208 + sdk/include/cgicc/Cgicc.cpp | 506 + sdk/include/cgicc/Cgicc.h | 452 + sdk/include/cgicc/FormEntry.cpp | 160 + sdk/include/cgicc/FormEntry.h | 327 + sdk/include/cgicc/FormFile.cpp | 65 + sdk/include/cgicc/FormFile.h | 237 + sdk/include/cgicc/HTMLAtomicElement.h | 114 + sdk/include/cgicc/HTMLAttribute.cpp | 77 + sdk/include/cgicc/HTMLAttribute.h | 237 + sdk/include/cgicc/HTMLAttributeList.cpp | 82 + sdk/include/cgicc/HTMLAttributeList.h | 211 + sdk/include/cgicc/HTMLBooleanElement.h | 193 + sdk/include/cgicc/HTMLClasses.h | 216 + sdk/include/cgicc/HTMLDoctype.cpp | 84 + sdk/include/cgicc/HTMLDoctype.h | 95 + sdk/include/cgicc/HTMLElement.cpp | 212 + sdk/include/cgicc/HTMLElement.h | 382 + sdk/include/cgicc/HTMLElementList.cpp | 91 + sdk/include/cgicc/HTMLElementList.h | 168 + sdk/include/cgicc/HTTPContentHeader.cpp | 50 + sdk/include/cgicc/HTTPContentHeader.h | 81 + sdk/include/cgicc/HTTPCookie.cpp | 112 + sdk/include/cgicc/HTTPCookie.h | 369 + sdk/include/cgicc/HTTPHTMLHeader.cpp | 38 + sdk/include/cgicc/HTTPHTMLHeader.h | 70 + sdk/include/cgicc/HTTPHeader.cpp | 51 + sdk/include/cgicc/HTTPHeader.h | 138 + sdk/include/cgicc/HTTPPlainHeader.cpp | 38 + sdk/include/cgicc/HTTPPlainHeader.h | 59 + sdk/include/cgicc/HTTPRedirectHeader.cpp | 63 + sdk/include/cgicc/HTTPRedirectHeader.h | 91 + sdk/include/cgicc/HTTPResponseHeader.cpp | 87 + sdk/include/cgicc/HTTPResponseHeader.h | 250 + sdk/include/cgicc/HTTPStatusHeader.cpp | 58 + sdk/include/cgicc/HTTPStatusHeader.h | 89 + sdk/include/cgicc/HTTPXHTMLHeader.cpp | 30 + sdk/include/cgicc/HTTPXHTMLHeader.h | 66 + sdk/include/cgicc/MStreamable.cpp | 39 + sdk/include/cgicc/MStreamable.h | 100 + sdk/include/cgicc/Makefile.am | 30 + sdk/include/cgicc/Makefile.in | 915 + sdk/include/cgicc/XHTMLDoctype.cpp | 53 + sdk/include/cgicc/XHTMLDoctype.h | 83 + sdk/include/cgicc/XMLDeclaration.h | 67 + sdk/include/cgicc/XMLPI.cpp | 64 + sdk/include/cgicc/XMLPI.h | 82 + sdk/include/cgicc/config.h.in | 118 + sdk/include/hv/Buffer.h | 15 + sdk/include/hv/Channel.h | 336 + sdk/include/hv/Event.h | 47 + sdk/include/hv/EventLoop.h | 263 + sdk/include/hv/EventLoopThread.h | 121 + sdk/include/hv/EventLoopThreadPool.h | 140 + sdk/include/hv/HttpContext.h | 193 + sdk/include/hv/HttpMessage.h | 561 + sdk/include/hv/HttpParser.h | 51 + sdk/include/hv/HttpResponseWriter.h | 177 + sdk/include/hv/HttpServer.h | 116 + sdk/include/hv/HttpService.h | 266 + sdk/include/hv/Status.h | 56 + sdk/include/hv/TcpClient.h | 227 + sdk/include/hv/TcpServer.h | 236 + sdk/include/hv/ThreadLocalStorage.h | 67 + sdk/include/hv/UdpClient.h | 117 + sdk/include/hv/UdpServer.h | 105 + sdk/include/hv/WebSocketChannel.h | 111 + sdk/include/hv/WebSocketClient.h | 59 + sdk/include/hv/WebSocketParser.h | 35 + sdk/include/hv/WebSocketServer.h | 37 + sdk/include/hv/axios.h | 192 + sdk/include/hv/base64.h | 46 + sdk/include/hv/dns.h | 105 + sdk/include/hv/ftp.h | 96 + sdk/include/hv/hasync.h | 49 + sdk/include/hv/hatomic.h | 124 + sdk/include/hv/hbase.h | 143 + sdk/include/hv/hbuf.h | 257 + sdk/include/hv/hconfig.h | 101 + sdk/include/hv/hdef.h | 270 + sdk/include/hv/hdir.h | 69 + sdk/include/hv/hendian.h | 161 + sdk/include/hv/herr.h | 122 + sdk/include/hv/hexport.h | 153 + sdk/include/hv/hfile.h | 123 + sdk/include/hv/hlog.h | 176 + sdk/include/hv/hloop.h | 700 + sdk/include/hv/hmain.h | 117 + sdk/include/hv/hmap.h | 56 + sdk/include/hv/hmath.h | 68 + sdk/include/hv/hmutex.h | 268 + sdk/include/hv/hobjectpool.h | 179 + sdk/include/hv/hpath.h | 28 + sdk/include/hv/hplatform.h | 305 + sdk/include/hv/hproc.h | 69 + sdk/include/hv/hscope.h | 79 + sdk/include/hv/hsocket.h | 213 + sdk/include/hv/hssl.h | 83 + sdk/include/hv/hstring.h | 79 + sdk/include/hv/hsysinfo.h | 68 + sdk/include/hv/hthread.h | 217 + sdk/include/hv/hthreadpool.h | 240 + sdk/include/hv/htime.h | 113 + sdk/include/hv/http_client.h | 148 + sdk/include/hv/http_content.h | 78 + sdk/include/hv/httpdef.h | 212 + sdk/include/hv/hurl.h | 44 + sdk/include/hv/hv.h | 41 + sdk/include/hv/hversion.h | 34 + sdk/include/hv/icmp.h | 15 + sdk/include/hv/ifconfig.h | 36 + sdk/include/hv/iniparser.h | 50 + sdk/include/hv/json.hpp | 25447 +++++++++++++++++++++ sdk/include/hv/md5.h | 25 + sdk/include/hv/mqtt_client.h | 128 + sdk/include/hv/mqtt_protocol.h | 82 + sdk/include/hv/nlog.h | 44 + sdk/include/hv/requests.h | 116 + sdk/include/hv/sha1.h | 55 + sdk/include/hv/singleton.h | 41 + sdk/include/hv/smtp.h | 74 + sdk/include/hv/wsdef.h | 83 + sdk/include/nlohmann/json.hpp | 24766 ++++++++++++++++++++ sdk/include/nlohmann/json_fwd.hpp | 176 + sdk/include/opdatabase.h | 20 + sdk/include/openjson.h | 276 + sdk/include/sqlite3.h | 13374 +++++++++++ sdk/include/sqlite3ext.h | 719 + 135 files changed, 83405 insertions(+) create mode 100644 .gitignore create mode 100644 sdk/include/cgicc/CgiDefs.h create mode 100644 sdk/include/cgicc/CgiEnvironment.cpp create mode 100644 sdk/include/cgicc/CgiEnvironment.h create mode 100644 sdk/include/cgicc/CgiInput.cpp create mode 100644 sdk/include/cgicc/CgiInput.h create mode 100644 sdk/include/cgicc/CgiUtils.cpp create mode 100644 sdk/include/cgicc/CgiUtils.h create mode 100644 sdk/include/cgicc/Cgicc.cpp create mode 100644 sdk/include/cgicc/Cgicc.h create mode 100644 sdk/include/cgicc/FormEntry.cpp create mode 100644 sdk/include/cgicc/FormEntry.h create mode 100644 sdk/include/cgicc/FormFile.cpp create mode 100644 sdk/include/cgicc/FormFile.h create mode 100644 sdk/include/cgicc/HTMLAtomicElement.h create mode 100644 sdk/include/cgicc/HTMLAttribute.cpp create mode 100644 sdk/include/cgicc/HTMLAttribute.h create mode 100644 sdk/include/cgicc/HTMLAttributeList.cpp create mode 100644 sdk/include/cgicc/HTMLAttributeList.h create mode 100644 sdk/include/cgicc/HTMLBooleanElement.h create mode 100644 sdk/include/cgicc/HTMLClasses.h create mode 100644 sdk/include/cgicc/HTMLDoctype.cpp create mode 100644 sdk/include/cgicc/HTMLDoctype.h create mode 100644 sdk/include/cgicc/HTMLElement.cpp create mode 100644 sdk/include/cgicc/HTMLElement.h create mode 100644 sdk/include/cgicc/HTMLElementList.cpp create mode 100644 sdk/include/cgicc/HTMLElementList.h create mode 100644 sdk/include/cgicc/HTTPContentHeader.cpp create mode 100644 sdk/include/cgicc/HTTPContentHeader.h create mode 100644 sdk/include/cgicc/HTTPCookie.cpp create mode 100644 sdk/include/cgicc/HTTPCookie.h create mode 100644 sdk/include/cgicc/HTTPHTMLHeader.cpp create mode 100644 sdk/include/cgicc/HTTPHTMLHeader.h create mode 100644 sdk/include/cgicc/HTTPHeader.cpp create mode 100644 sdk/include/cgicc/HTTPHeader.h create mode 100644 sdk/include/cgicc/HTTPPlainHeader.cpp create mode 100644 sdk/include/cgicc/HTTPPlainHeader.h create mode 100644 sdk/include/cgicc/HTTPRedirectHeader.cpp create mode 100644 sdk/include/cgicc/HTTPRedirectHeader.h create mode 100644 sdk/include/cgicc/HTTPResponseHeader.cpp create mode 100644 sdk/include/cgicc/HTTPResponseHeader.h create mode 100644 sdk/include/cgicc/HTTPStatusHeader.cpp create mode 100644 sdk/include/cgicc/HTTPStatusHeader.h create mode 100644 sdk/include/cgicc/HTTPXHTMLHeader.cpp create mode 100644 sdk/include/cgicc/HTTPXHTMLHeader.h create mode 100644 sdk/include/cgicc/MStreamable.cpp create mode 100644 sdk/include/cgicc/MStreamable.h create mode 100644 sdk/include/cgicc/Makefile.am create mode 100644 sdk/include/cgicc/Makefile.in create mode 100644 sdk/include/cgicc/XHTMLDoctype.cpp create mode 100644 sdk/include/cgicc/XHTMLDoctype.h create mode 100644 sdk/include/cgicc/XMLDeclaration.h create mode 100644 sdk/include/cgicc/XMLPI.cpp create mode 100644 sdk/include/cgicc/XMLPI.h create mode 100644 sdk/include/cgicc/config.h.in create mode 100644 sdk/include/hv/Buffer.h create mode 100644 sdk/include/hv/Channel.h create mode 100644 sdk/include/hv/Event.h create mode 100644 sdk/include/hv/EventLoop.h create mode 100644 sdk/include/hv/EventLoopThread.h create mode 100644 sdk/include/hv/EventLoopThreadPool.h create mode 100644 sdk/include/hv/HttpContext.h create mode 100644 sdk/include/hv/HttpMessage.h create mode 100644 sdk/include/hv/HttpParser.h create mode 100644 sdk/include/hv/HttpResponseWriter.h create mode 100644 sdk/include/hv/HttpServer.h create mode 100644 sdk/include/hv/HttpService.h create mode 100644 sdk/include/hv/Status.h create mode 100644 sdk/include/hv/TcpClient.h create mode 100644 sdk/include/hv/TcpServer.h create mode 100644 sdk/include/hv/ThreadLocalStorage.h create mode 100644 sdk/include/hv/UdpClient.h create mode 100644 sdk/include/hv/UdpServer.h create mode 100644 sdk/include/hv/WebSocketChannel.h create mode 100644 sdk/include/hv/WebSocketClient.h create mode 100644 sdk/include/hv/WebSocketParser.h create mode 100644 sdk/include/hv/WebSocketServer.h create mode 100644 sdk/include/hv/axios.h create mode 100644 sdk/include/hv/base64.h create mode 100644 sdk/include/hv/dns.h create mode 100644 sdk/include/hv/ftp.h create mode 100644 sdk/include/hv/hasync.h create mode 100644 sdk/include/hv/hatomic.h create mode 100644 sdk/include/hv/hbase.h create mode 100644 sdk/include/hv/hbuf.h create mode 100644 sdk/include/hv/hconfig.h create mode 100644 sdk/include/hv/hdef.h create mode 100644 sdk/include/hv/hdir.h create mode 100644 sdk/include/hv/hendian.h create mode 100644 sdk/include/hv/herr.h create mode 100644 sdk/include/hv/hexport.h create mode 100644 sdk/include/hv/hfile.h create mode 100644 sdk/include/hv/hlog.h create mode 100644 sdk/include/hv/hloop.h create mode 100644 sdk/include/hv/hmain.h create mode 100644 sdk/include/hv/hmap.h create mode 100644 sdk/include/hv/hmath.h create mode 100644 sdk/include/hv/hmutex.h create mode 100644 sdk/include/hv/hobjectpool.h create mode 100644 sdk/include/hv/hpath.h create mode 100644 sdk/include/hv/hplatform.h create mode 100644 sdk/include/hv/hproc.h create mode 100644 sdk/include/hv/hscope.h create mode 100644 sdk/include/hv/hsocket.h create mode 100644 sdk/include/hv/hssl.h create mode 100644 sdk/include/hv/hstring.h create mode 100644 sdk/include/hv/hsysinfo.h create mode 100644 sdk/include/hv/hthread.h create mode 100644 sdk/include/hv/hthreadpool.h create mode 100644 sdk/include/hv/htime.h create mode 100644 sdk/include/hv/http_client.h create mode 100644 sdk/include/hv/http_content.h create mode 100644 sdk/include/hv/httpdef.h create mode 100644 sdk/include/hv/hurl.h create mode 100644 sdk/include/hv/hv.h create mode 100644 sdk/include/hv/hversion.h create mode 100644 sdk/include/hv/icmp.h create mode 100644 sdk/include/hv/ifconfig.h create mode 100644 sdk/include/hv/iniparser.h create mode 100644 sdk/include/hv/json.hpp create mode 100644 sdk/include/hv/md5.h create mode 100644 sdk/include/hv/mqtt_client.h create mode 100644 sdk/include/hv/mqtt_protocol.h create mode 100644 sdk/include/hv/nlog.h create mode 100644 sdk/include/hv/requests.h create mode 100644 sdk/include/hv/sha1.h create mode 100644 sdk/include/hv/singleton.h create mode 100644 sdk/include/hv/smtp.h create mode 100644 sdk/include/hv/wsdef.h create mode 100644 sdk/include/nlohmann/json.hpp create mode 100644 sdk/include/nlohmann/json_fwd.hpp create mode 100644 sdk/include/opdatabase.h create mode 100644 sdk/include/openjson.h create mode 100644 sdk/include/sqlite3.h create mode 100644 sdk/include/sqlite3ext.h diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..5ea512d --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +/3rdPartner/frp_0.56.0_linux_arm.tar.gz +/3rdPartner/go1.22.1.linux-armv6l.tar.gz +/appRelease/test.release diff --git a/sdk/include/cgicc/CgiDefs.h b/sdk/include/cgicc/CgiDefs.h new file mode 100644 index 0000000..7930295 --- /dev/null +++ b/sdk/include/cgicc/CgiDefs.h @@ -0,0 +1,63 @@ +/* -*-c++-*- */ +/* + * $Id: CgiDefs.h.in,v 1.10 2014/04/23 20:55:03 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _CGIDEFS_H_ +#define _CGIDEFS_H_ 1 + + /*! \file CgiDefs.h + * \brief Platform and operating system specific macro definitions. + * + * Platform and operating system specific macro definitions that deal + * with namespace support and exporting of library functions. + */ + /* + // Include information from configure + #if HAVE_CONFIG_H + # include "config.h" + #endif + */ + /*! \namespace cgicc + * \brief The namespace containing the cgicc library + * + * The namespace containing all classes and functions of the + * GNU cgicc library. + */ + + // Win32-specific setup +#ifdef WIN32 + +// export library symbols +# ifdef CGICC_EXPORTS +# define CGICC_API __declspec(dllexport) +# else +# define CGICC_API __declspec(dllimport) +# endif + +# define HOST "Win32" +# define VERSION "3.2.20" + +#else +# define CGICC_API +#endif /* WIN32 */ + +#endif /* ! _CGIDEFS_H_ */ diff --git a/sdk/include/cgicc/CgiEnvironment.cpp b/sdk/include/cgicc/CgiEnvironment.cpp new file mode 100644 index 0000000..7fb4ce5 --- /dev/null +++ b/sdk/include/cgicc/CgiEnvironment.cpp @@ -0,0 +1,363 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: CgiEnvironment.cpp,v 1.31 2017/06/22 20:26:35 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include +#include +#include +#include +#include + +#ifdef WIN32 +# include +# include +# include +#endif + +#include "CgiEnvironment.h" + +// ========== Constructor/Destructor + +cgicc::CgiEnvironment::CgiEnvironment(CgiInput *input) +{ + // Create a local CgiInput object for us to use + // In the vast majority of cases, this will be used + // For FastCGI applications it won't but the performance hit of + // an empty inline constructor is negligible + CgiInput local_input; + + if(0 == input) + readEnvironmentVariables(&local_input); + else + readEnvironmentVariables(input); + + // On Win32, use binary read to avoid CRLF conversion +#ifdef WIN32 +# ifdef __BORLANDC__ + setmode(_fileno(stdin), O_BINARY); +# else + _setmode(_fileno(stdin), _O_BINARY); +# endif +#endif + + if(stringsAreEqual(fRequestMethod, "post") || stringsAreEqual(fRequestMethod, "put")) { + // Don't use auto_ptr, but vector instead + // Bug reported by shinra@j10n.org + std::vector data(fContentLength); + + if(getenv("CGICC_MAX_CONTENTLENGTH")&&getContentLength()>(long unsigned int)atoi(getenv("CGICC_MAX_CONTENTLENGTH"))) + { + throw std::runtime_error("Malformed input"); + } + else + // If input is 0, use the default implementation of CgiInput + if ( getContentLength() ) + { + // If input is 0, use the default implementation of CgiInput + if ( input == 0 ) + { + if ( local_input.read( &data[0], getContentLength() ) != getContentLength() ) + throw std::runtime_error("I/O error"); + } + else + if ( input->read( &data[0], getContentLength() ) != getContentLength() ) + throw std::runtime_error("I/O error"); + + fPostData = std::string( &data[0], getContentLength() ); + } + } + + fCookies.reserve(10); + parseCookies(); +} + +cgicc::CgiEnvironment::~CgiEnvironment() +{} + +// Overloaded operators +bool +cgicc::CgiEnvironment::operator== (const CgiEnvironment& env) const +{ + bool result; + + result = fServerPort == env.fServerPort; + result &= fContentLength == env.fContentLength; + result &= fUsingHTTPS == env.fUsingHTTPS; + result &= fServerSoftware == env.fServerSoftware; + result &= fServerName == env.fServerName; + result &= fGatewayInterface == env.fGatewayInterface; + result &= fServerProtocol == env.fServerProtocol; + result &= fRequestMethod == env.fRequestMethod; + result &= fPathInfo == env.fPathInfo; + result &= fPathTranslated == env.fPathTranslated; + result &= fScriptName == env.fScriptName; + result &= fQueryString == env.fQueryString; + result &= fRemoteHost == env.fRemoteHost; + result &= fRemoteAddr == env.fRemoteAddr; + result &= fAuthType == env.fAuthType; + result &= fRemoteUser == env.fRemoteUser; + result &= fRemoteIdent == env.fRemoteIdent; + result &= fContentType == env.fContentType; + result &= fAccept == env.fAccept; + result &= fUserAgent == env.fUserAgent; + result &= fPostData == env.fPostData; + result &= fRedirectRequest == env.fRedirectRequest; + result &= fRedirectURL == env.fRedirectURL; + result &= fRedirectStatus == env.fRedirectStatus; + result &= fReferrer == env.fReferrer; + result &= fCookie == env.fCookie; + + return result; +} + +cgicc::CgiEnvironment& +cgicc::CgiEnvironment::operator= (const CgiEnvironment& env) +{ + fServerPort = env.fServerPort; + fContentLength = env.fContentLength; + fUsingHTTPS = env.fUsingHTTPS; + fServerSoftware = env.fServerSoftware; + fServerName = env.fServerName; + fGatewayInterface = env.fGatewayInterface; + fServerProtocol = env.fServerProtocol; + fRequestMethod = env.fRequestMethod; + fPathInfo = env.fPathInfo; + fPathTranslated = env.fPathTranslated; + fScriptName = env.fScriptName; + fQueryString = env.fQueryString; + fRemoteHost = env.fRemoteHost; + fRemoteAddr = env.fRemoteAddr; + fAuthType = env.fAuthType; + fRemoteUser = env.fRemoteUser; + fRemoteIdent = env.fRemoteIdent; + fContentType = env.fContentType; + fAccept = env.fAccept; + fUserAgent = env.fUserAgent; + fPostData = env.fPostData; + fRedirectRequest = env.fRedirectRequest; + fRedirectURL = env.fRedirectURL; + fRedirectStatus = env.fRedirectStatus; + fReferrer = env.fReferrer; + fCookie = env.fCookie; + + fCookies.clear(); + fCookies.reserve(env.fCookies.size()); + parseCookies(); + + return *this; +} + +void +cgicc::CgiEnvironment::parseCookies() +{ + std::string data = fCookie; + + if(false == data.empty()) { + std::string::size_type pos; + std::string::size_type oldPos = 0; + + while(true) { + // find the ';' terminating a name=value pair + pos = data.find(";", oldPos); + + // if no ';' was found, the rest of the string is a single cookie + if(std::string::npos == pos) { + parseCookie(data.substr(oldPos)); + return; + } + + // otherwise, the string contains multiple cookies + // extract it and add the cookie to the list + parseCookie(data.substr(oldPos, pos - oldPos)); + + // update pos (+1 to skip ';') + oldPos = pos + 1; + } + } +} + +void +cgicc::CgiEnvironment::parseCookie(const std::string& data) +{ + // find the '=' separating the name and value + std::string::size_type pos = data.find("=", 0); + + // if no '=' was found, return + if(std::string::npos == pos) + return; + + // skip leading whitespace - " \f\n\r\t\v" + std::string::size_type wscount = 0; + std::string::const_iterator data_iter; + + for(data_iter = data.begin(); data_iter != data.end(); ++data_iter,++wscount) + if(0 == std::isspace(*data_iter)) + break; + + // Per RFC 2091, do not unescape the data (thanks to afm@othello.ch) + std::string name = data.substr(wscount, pos - wscount); + std::string value = data.substr(++pos); + + fCookies.push_back(HTTPCookie(name, value)); +} + +// Read in all the environment variables +void +cgicc::CgiEnvironment::readEnvironmentVariables(CgiInput *input) +{ + fServerSoftware = input->getenv("SERVER_SOFTWARE"); + fServerName = input->getenv("SERVER_NAME"); + fGatewayInterface = input->getenv("GATEWAY_INTERFACE"); + fServerProtocol = input->getenv("SERVER_PROTOCOL"); + + std::string port = input->getenv("SERVER_PORT"); + fServerPort = std::atol(port.c_str()); + + fRequestMethod = input->getenv("REQUEST_METHOD"); + fPathInfo = input->getenv("PATH_INFO"); + fPathTranslated = input->getenv("PATH_TRANSLATED"); + fScriptName = input->getenv("SCRIPT_NAME"); + fQueryString = input->getenv("QUERY_STRING"); + fRemoteHost = input->getenv("REMOTE_HOST"); + fRemoteAddr = input->getenv("REMOTE_ADDR"); + fAuthType = input->getenv("AUTH_TYPE"); + fRemoteUser = input->getenv("REMOTE_USER"); + fRemoteIdent = input->getenv("REMOTE_IDENT"); + fContentType = input->getenv("CONTENT_TYPE"); + + std::string length = input->getenv("CONTENT_LENGTH"); + fContentLength = std::atol(length.c_str()); + + fAccept = input->getenv("HTTP_ACCEPT"); + fUserAgent = input->getenv("HTTP_USER_AGENT"); + fRedirectRequest = input->getenv("REDIRECT_REQUEST"); + fRedirectURL = input->getenv("REDIRECT_URL"); + fRedirectStatus = input->getenv("REDIRECT_STATUS"); + fReferrer = input->getenv("HTTP_REFERER"); + fCookie = input->getenv("HTTP_COOKIE"); + fAcceptLanguageString = input->getenv("HTTP_ACCEPT_LANGUAGE"); + + // Win32 bug fix by Peter Goedtkindt + std::string https = input->getenv("HTTPS"); + if(stringsAreEqual(https, "on")) + fUsingHTTPS = true; + else + fUsingHTTPS = false; + + +} + +void +cgicc::CgiEnvironment::save(const std::string& filename) const +{ + std::ofstream file( filename.c_str(), std::ios::binary |std::ios::out ); + + if( ! file ) + throw std::runtime_error("I/O error"); + + writeLong(file, fContentLength); + writeLong(file, fServerPort); + writeLong(file, (unsigned long) usingHTTPS()); + + writeString(file, fServerSoftware); + writeString(file, fServerName); + writeString(file, fGatewayInterface); + writeString(file, fServerProtocol); + writeString(file, fRequestMethod); + writeString(file, fPathInfo); + writeString(file, fPathTranslated); + writeString(file, fScriptName); + writeString(file, fQueryString); + writeString(file, fRemoteHost); + writeString(file, fRemoteAddr); + writeString(file, fAuthType); + writeString(file, fRemoteUser); + writeString(file, fRemoteIdent); + writeString(file, fContentType); + writeString(file, fAccept); + writeString(file, fUserAgent); + writeString(file, fRedirectRequest); + writeString(file, fRedirectURL); + writeString(file, fRedirectStatus); + writeString(file, fReferrer); + writeString(file, fCookie); + + if(stringsAreEqual(fRequestMethod, "post") || stringsAreEqual(fRequestMethod, "put")) + writeString(file, fPostData); + + if(file.bad() || file.fail()) + throw std::runtime_error("I/O error"); + + file.close(); +} + +void +cgicc::CgiEnvironment::restore(const std::string& filename) +{ + std::ifstream file( filename.c_str(), std::ios::binary | std::ios::in ); + + if( ! file ) + throw std::runtime_error("I/O error"); + + file.flags(file.flags() & std::ios::skipws); + + fContentLength = readLong(file); + fServerPort = readLong(file); + fUsingHTTPS = (bool) readLong(file); + + fServerSoftware = readString(file); + fServerName = readString(file); + fGatewayInterface = readString(file); + fServerProtocol = readString(file); + fRequestMethod = readString(file); + fPathInfo = readString(file); + fPathTranslated = readString(file); + fScriptName = readString(file); + fQueryString = readString(file); + fRemoteHost = readString(file); + fRemoteAddr = readString(file); + fAuthType = readString(file); + fRemoteUser = readString(file); + fRemoteIdent = readString(file); + fContentType = readString(file); + fAccept = readString(file); + fUserAgent = readString(file); + fRedirectRequest = readString(file); + fRedirectURL = readString(file); + fRedirectStatus = readString(file); + fReferrer = readString(file); + fCookie = readString(file); + + if(stringsAreEqual(fRequestMethod, "post") || stringsAreEqual(fRequestMethod, "put")) + fPostData = readString(file); + + file.close(); + + fCookies.clear(); + fCookies.reserve(10); + parseCookies(); +} diff --git a/sdk/include/cgicc/CgiEnvironment.h b/sdk/include/cgicc/CgiEnvironment.h new file mode 100644 index 0000000..eaaaace --- /dev/null +++ b/sdk/include/cgicc/CgiEnvironment.h @@ -0,0 +1,580 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: CgiEnvironment.h,v 1.21 2014/04/23 20:55:03 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _CGIENVIRONMENT_H_ +#define _CGIENVIRONMENT_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file CgiEnvironment.h + * \brief Class encapsulating the CGI runtime environment + * + * The \c CgiEnvironment class encapsulates the environment of + * the CGI application as described by the HTTP server. \c CgiEnvironment + * contains the \c GET or \c POST data along with all environment variables + * set by the HTTP server specified in the CGI specification. + */ + +#include +#include +#include + +#include "CgiDefs.h" +#include "CgiUtils.h" +#include "CgiInput.h" +#include "HTTPCookie.h" + +namespace cgicc { + +#ifdef WIN32 + template class CGICC_API std::vector; +#endif + + // ============================================================ + // Iterator typedefs + // ============================================================ + + //! A vector of HTTPCookie objects + typedef std::vector::iterator cookie_iterator; + //! A vector of \c const HTTPCookie objects + typedef std::vector::const_iterator const_cookie_iterator; + + // ============================================================ + // Class CgiEnvironment + // ============================================================ + + /*! \class CgiEnvironment CgiEnvironment.h cgicc/CgiEnvironment.h + * \brief Class encapsulating the CGI runtime environment + * + * The \c CgiEnvironment class encapsulates the environment of + * the CGI application as described by the HTTP server. \c CgiEnvironment + * contains the \c GET or \c POST data along with all environment variables + * set by the HTTP server specified in the CGI specification. + */ + class CGICC_API CgiEnvironment + { + public: + + friend class Cgicc; + + // ============================================================ + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Read in the CGI environment passed to the CGI application + * by the server + * + * This function is not usually called directly; instead, an object of type + * CgiEnvironment is retrieved by calling the \c getEnvironment() method + * on Cgicc. + * If you are using %cgicc with FastCGI, you will need to pass + * a \c CgiInput subclass that %cgicc will use to read input. If + * \c input is omitted, standard input and environment + * variables will be used. + * \param input A CgiInput object to use for reading input + * \see Cgicc::getEnvironment + */ + CgiEnvironment(CgiInput *input); + + /*! + * \brief Copy constructor. + * + * Sets the values of this CgiEnvironment to those of \c env. + * \param env The CgiEnvironment to copy. + */ + inline + CgiEnvironment(const CgiEnvironment& env) + { operator=(env); } + + /*! + * \brief Destructor + * + * Delete this CgiEnvironment object + */ + ~CgiEnvironment(); + //@} + + // ============================================================ + + /*! \name Overloaded Operators */ + //@{ + + /*! + * \brief Compare two CgiEnvironments for equality. + * + * CgiEnvironments are equal if they have the same environment variables. + * \param env The CgiEnvironment to compare to this one. + * \return \c true if the two CgiEnvironments are equal, \c false otherwise. + */ + bool + operator== (const CgiEnvironment& env) const; + + /*! + * \brief Compare two CgiEnvironments for inequality. + * + * CgiEnvironments are equal if they have the same environment variables. + * \param env The CgiEnvironment to compare to this one. + * \return \c false if the two CgiEnvironments are equal, \c true otherwise. + */ + inline bool + operator!= (const CgiEnvironment& env) const + { return ! operator==(env); } + +#ifdef WIN32 + /* Dummy operator for MSVC++ */ + inline bool + operator< (const CgiEnvironment& env) const + { return false; } +#endif + + /*! + * \brief Assign one CgiEnvironment to another. + * + * Sets the environment variables in this CgiEnvironment to those of \c env. + * \param env The CgiEnvironment to copy. + * \return A reference to this. + */ + CgiEnvironment& + operator= (const CgiEnvironment& env); + //@} + + // ============================================================ + + /*! \name Server Information + * Information on the server handling the HTTP/CGI request + */ + //@{ + + /*! + * \brief Get the name and version of the HTTP server software + * + * For example, \c Apache/1.3.4 + * \return The name of the server software + */ + inline std::string + getServerSoftware() const + { return fServerSoftware; } + + /*! + * \brief Get the hostname, DNS name or IP address of the HTTP server + * + * This is \e not a URL, for example \c www.gnu.org (no leading http://) + * \return The name of the server + */ + inline std::string + getServerName() const + { return fServerName; } + + /*! + * \brief Get the name and version of the gateway interface. + * + * This is usually \c CGI/1.1 + * \return The name and version of the gateway interface + */ + inline std::string + getGatewayInterface() const + { return fGatewayInterface;} + + /*! + * \brief Get the name and revision of the protocol used for this request. + * + * This is usually \c HTTP/1.0 or \c HTTP/1.1 + * \return The protocol in use + */ + inline std::string + getServerProtocol() const + { return fServerProtocol; } + + /*! + * \brief Get the port number on the server to which this request was sent. + * + * This will usually be 80. + * \return The port number + */ + inline unsigned long + getServerPort() const + { return fServerPort; } + + /*! + * \brief Determine if this is a secure request + * + * A secure request is usually made using SSL via HTTPS + * \return \c true if this connection is via https, \c false otherwise + */ + inline bool + usingHTTPS() const + { return fUsingHTTPS; } + //@} + + // ============================================================ + + /*! \name CGI Query Information + * Information specific to this CGI query + */ + //@{ + + /*! + * \brief Get the HTTP cookies associated with this query, if any. + * + * The string returned by this method may contain multiple cookies; it is + * recommended to use the method getCookieList() instead, which returns + * a \c vector. + * \return The HTTP cookies + * \see getCookieList + */ + inline std::string + getCookies() const + { return fCookie; } + + /*! + * \brief Get a \c vector containing the HTTP cookies + * associated with this query + * + * This vector may be empty + * \return A \c vector containing the HTTP cookies associated with this + * query + * \see HTTPCookie + */ + inline const std::vector& + getCookieList() const + { return fCookies; } + + /*! + * \brief Get the request method used for this query. + * + * This is usually one of \c GET or \c POST + * \return The request method + */ + inline std::string + getRequestMethod() const + { return fRequestMethod; } + + /*! + * \brief Get the extra path information for this request, given by the + * client. + * + * For example, in the string \c foo.cgi/cgicc the path information is + * \c cgicc. + * \return The absolute path info + */ + inline std::string + getPathInfo() const + { return fPathInfo; } + + /*! + * \brief Get the translated path information (virtual to physical mapping). + * + * For example, \c www.gnu.org may be translated to \c /htdocs/index.html + * \return The translated path info + */ + inline std::string + getPathTranslated() const + { return fPathTranslated; } + + /*! + * \brief Get the full path to this CGI application + * + * This is useful for self-referencing URIs + * \return The full path of this application + */ + inline std::string + getScriptName() const + { return fScriptName; } + + /*! + * \brief Get the query string for this request. + * + * The query string follows the ? in the URI which called this + * application. This is usually only valid for scripts called with + * the \c GET method. For example, in the string \c foo.cgi?cgicc=yes + * the query string is \c cgicc=yes. + * @return The query string + */ + inline std::string + getQueryString() const + { return fQueryString; } + + /*! + * \brief Get the length of the data read from standard input, in chars. + * + * This is usually only valid for scripts called with the POST method. + * \return The data length + */ + inline unsigned long + getContentLength() const + { return fContentLength; } + + /*! + * \brief Get the content type of the submitted information. + * + * For applications called via the GET method, this information is + * irrelevant. For applications called with the POST method, this is + * specifies the MIME type of the information, + * usually \c application/x-www-form-urlencoded or as specified by + * getContentType(). + * \return The content type + * \see getContentType + */ + inline std::string + getContentType() const + { return fContentType; } + + /*! + * \brief Get the data passed to the CGI application via standard input. + * + * This data is of MIME type \c getContentType(). + * \return The post data. + */ + inline std::string + getPostData() const + { return fPostData; } + //@} + + // ============================================================ + + /*! \name Server Specific Information + * Information dependent on the type of HTTP server in use + */ + //@{ + + /*! + * \brief Get the URL of the page which called this CGI application. + * + * Depending on the HTTP server software, this value may not be set. + * \return The URI which called this application. + */ + inline std::string + getReferrer() const + { return fReferrer; } + //@} + + // ============================================================ + + /*! \name Remote User Information + * Information about the user making the CGI request + */ + //@{ + + /*! + * \brief Get the hostname of the remote machine making this request + * + * This may be either an IP address or a hostname + * \return The remote host + */ + inline std::string + getRemoteHost() const + { return fRemoteHost; } + + /*! + * \brief Get the IP address of the remote machine making this request + * + * This is a standard IP address of the form \c 123.123.123.123 + * \return The remote IP address + */ + inline std::string + getRemoteAddr() const + { return fRemoteAddr; } + + /*! + * \brief Get the protocol-specific user authentication method used. + * + * This is only applicable if the server supports user authentication, + * and the user has authenticated. + * \return The authorization type + */ + inline std::string + getAuthType() const + { return fAuthType; } + + /*! + * \brief Get the authenticated remote user name. + * + * This is only applicable if the server supports user authentication, + * and the user has authenticated. + * \return The remote username + */ + inline std::string + getRemoteUser() const + { return fRemoteUser; } + + /*! + * \brief Get the remote user name retrieved from the server. + * + * This is only applicable if the server supports RFC 931 + * identification. This variable should \e only be used + * for logging purposes. + * \return The remote identification + * \see RFC 1431 at + * http://info.internet.isi.edu:80/in-notes/rfc/files/rfc1413.txt + */ + inline std::string + getRemoteIdent() const + { return fRemoteIdent; } + + /*! + * \brief Get the MIME data types accepted by the client's browser. + * + * For example image/gif, image/x-xbitmap, image/jpeg, image/pjpeg + * \return The accepted data types + */ + inline std::string + getAccept() const + { return fAccept; } + + /*! + * \brief Get the name of the browser used for this CGI request. + * + * For example Mozilla/5.0 (X11; U; Linux 2.4.0 i686; en-US; 0.8.1) + * Gecko/20010421 + * \return The browser name + */ + inline std::string + getUserAgent() const + { return fUserAgent; } + //@} + + // ============================================================ + + /*! \name ErrorDocument Handling + * For a tutorial on ErrorDocument handling, see + * http://hoohoo.ncsa.uiuc.edu/cgi/ErrorCGI.html + */ + //@{ + + /*! + * \brief Get the redirect request. + * + * This will only be valid if you are using this script as a script + * to use in place of the default server messages. + * @return The redirect request. + */ + inline std::string + getRedirectRequest() const + { return fRedirectRequest; } + + /*! + * \brief Get the redirect URL. + * + * This will only be valid if you are using this script as a script + * to use in place of the default server messages. + * \return The redirect URL. + * \see http://hoohoo.ncsa.uiuc.edu/docs/setup/srm/ErrorDocument.html + */ + inline std::string + getRedirectURL() const + { return fRedirectURL; } + + /*! + * \brief Get the redirect status. + * + * This will only be valid if you are using this script as a script + * to use in place of the default server messages. + * \return The redirect status. + */ + inline std::string + getRedirectStatus() const + { return fRedirectStatus; } + //@} + + protected: + + // ============================================================ + + /*! \name Saving and Restoring + * These are implementation methods only + */ + //@{ + + /*! + * \brief Implementation of save, for saving CGI environments + * + * This is called internally by Cgicc + * \param filename The name of the file to which to save + */ + void + save(const std::string& filename) const; + + /*! + * \brief Implementation of restore, for restoring CGI environments + * + * This is called internally by Cgicc + * \param filename The name of the file from which to restore + */ + // Implementation of restore + void + restore(const std::string& filename); + //@} + + // ============================================================ + + private: + + // Parse the list of cookies from a string to a vector + void + parseCookies(); + + // Parse a single cookie string (name=value) pair + void + parseCookie(const std::string& data); + + // Read in all the environment variables + void + readEnvironmentVariables(CgiInput *input); + + unsigned long fServerPort; + unsigned long fContentLength; + bool fUsingHTTPS; + std::string fServerSoftware; + std::string fServerName; + std::string fGatewayInterface; + std::string fServerProtocol; + std::string fRequestMethod; + std::string fPathInfo; + std::string fPathTranslated; + std::string fScriptName; + std::string fQueryString; + std::string fRemoteHost; + std::string fRemoteAddr; + std::string fAuthType; + std::string fRemoteUser; + std::string fRemoteIdent; + std::string fContentType; + std::string fAccept; + std::string fUserAgent; + std::string fPostData; + std::string fRedirectRequest; + std::string fRedirectURL; + std::string fRedirectStatus; + std::string fReferrer; + std::string fCookie; + std::vector fCookies; + std::string fAcceptLanguageString; + }; + +} // namespace cgicc + +#endif /* ! _CGIENVIRONMENT_H_ */ diff --git a/sdk/include/cgicc/CgiInput.cpp b/sdk/include/cgicc/CgiInput.cpp new file mode 100644 index 0000000..e5ede93 --- /dev/null +++ b/sdk/include/cgicc/CgiInput.cpp @@ -0,0 +1,53 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: CgiInput.cpp,v 1.9 2014/04/23 20:55:03 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USAa + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include +#include + +#include "CgiInput.h" + +// ========== Destructor + +cgicc::CgiInput::~CgiInput() +{} + +// ========== Members + +size_t +cgicc::CgiInput::read(char *data, + size_t length) +{ + std::cin.read(data, length); + return std::cin.gcount(); +} + +std::string +cgicc::CgiInput::getenv(const char *varName) +{ + char *var = std::getenv(varName); + return (0 == var) ? std::string("") : var; +} diff --git a/sdk/include/cgicc/CgiInput.h b/sdk/include/cgicc/CgiInput.h new file mode 100644 index 0000000..d63fa0c --- /dev/null +++ b/sdk/include/cgicc/CgiInput.h @@ -0,0 +1,164 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: CgiInput.h,v 1.8 2014/04/23 20:55:03 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _CGIINPUT_H_ +#define _CGIINPUT_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file CgiInput.h + * \brief Class that abstracts a data source + * + * This class allows the data source for the CGI application to be + * something other than standard input. + */ + +#include + +#include "CgiDefs.h" + +namespace cgicc { + + // ============================================================ + // Class CgiInput + // ============================================================ + + /*! \class CgiInput CgiInput.h cgicc/CgiInput.h + * \brief Class that abstracts a data source + * + * The \c CgiInput class is an abstraction for all input data to the + * CGI application. This allows input data to come from something other than + * standard input (cin). This is useful, in fact necessary, when using + * %cgicc with FastCgi. + * Library users wishing to exploit this functionality should create a + * subclass and override the \c read and \c getenv methods. + */ + class CGICC_API CgiInput + { + public: + + // ============================================================ + + /*! \name Constructor and Destructor */ + //@{ + + /*! + * \brief Constructor + * + * Create a new CgiInput object + */ + inline + CgiInput() + {} + + /*! + * \brief Copy constructor + * + * If you subclass CgiInput, you must overload + * operator= + * \param input The CgiInput object to copy + */ + inline + CgiInput(const CgiInput& input) + { operator=(input); } + + /*! + * \brief Destructor + * + * Delete this CgiInput object + */ + virtual ~CgiInput(); + //@} + + + // ============================================================ + + /*! \name Overloaded Operators */ + //@{ + + /*! + * \brief Compare two CgiInput objects for equality + * + * In the default implementation all CgiInput objects are equal + * \param input The CgiInput object to compare to this one + * \return \c true + */ + inline bool + operator== (const CgiInput& /*input*/) const + { return true; } + + /*! + * \brief Compare two CgiInput objects for inequality + * + * In the default implementation all CgiInput objects are equal + * \param input The CgiInput object to compare to this one + * \return \c false + */ + inline bool + operator!= (const CgiInput& input) const + { return ! operator==(input); } + + /*! + * \brief Assign one CgiInput to another + * + * Does nothing in the default implementation + * \param input The CgiInput object to copy + * \return A reference to this. + */ + inline CgiInput& + operator= (const CgiInput& /*input*/) + { return *this; } + //@} + + // ============================================================ + + /*! \name Data Sources */ + //@{ + + /*! + * \brief Read data from a data source + * + * In the default implementation, this is a wrapper for \c cin.read() + * \param data The target buffer + * \param length The number of characters to read + * \return The number of characters read + */ + virtual size_t read(char *data, size_t length); + + /*! + * \brief Query the value of an environment variable + * + * In the default implementation, this is a wrapper for std::getenv() + * \param varName The name of an environment variable + * \return The value of the requested environment variable, or an empty + * string if not found. + */ + virtual std::string getenv(const char *varName); + //@} + }; + +} // namespace cgicc + +#endif /* ! _CGIINPUT_H_ */ diff --git a/sdk/include/cgicc/CgiUtils.cpp b/sdk/include/cgicc/CgiUtils.cpp new file mode 100644 index 0000000..2f39474 --- /dev/null +++ b/sdk/include/cgicc/CgiUtils.cpp @@ -0,0 +1,282 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: CgiUtils.cpp,v 1.20 2014/04/23 20:55:03 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include +#include +#include +#include // for distance +#include // for toupper, isxdigit + +#include "CgiUtils.h" + +// case-insensitive string comparison +// This code based on code from +// "The C++ Programming Language, Third Edition" by Bjarne Stroustrup +bool +cgicc::stringsAreEqual(const std::string& s1, + const std::string& s2) +{ + std::string::const_iterator p1 = s1.begin(); + std::string::const_iterator p2 = s2.begin(); + std::string::const_iterator l1 = s1.end(); + std::string::const_iterator l2 = s2.end(); + + while(p1 != l1 && p2 != l2) { + if(std::toupper(*(p1++)) != std::toupper(*(p2++))) + return false; + } + + return (s2.size() == s1.size()) ? true : false; +} + +// case-insensitive string comparison +bool +cgicc::stringsAreEqual(const std::string& s1, + const std::string& s2, + size_t n) +{ + std::string::const_iterator p1 = s1.begin(); + std::string::const_iterator p2 = s2.begin(); + bool good = (n <= s1.length() && n <= s2.length()); + std::string::const_iterator l1 = good ? (s1.begin() + n) : s1.end(); + std::string::const_iterator l2 = good ? (s2.begin() + n) : s2.end(); + + while(p1 != l1 && p2 != l2) { + if(std::toupper(*(p1++)) != std::toupper(*(p2++))) + return false; + } + + return good; +} + +std::string +cgicc::charToHex(char c) +{ + std::string result; + char first, second; + + first = (c & 0xF0) / 16; + first += first > 9 ? 'A' - 10 : '0'; + second = c & 0x0F; + second += second > 9 ? 'A' - 10 : '0'; + + result.append(1, first); + result.append(1, second); + + return result; +} + +char +cgicc::hexToChar(char first, + char second) +{ + int digit; + + digit = (first >= 'A' ? ((first & 0xDF) - 'A') + 10 : (first - '0')); + digit *= 16; + digit += (second >= 'A' ? ((second & 0xDF) - 'A') + 10 : (second - '0')); + return static_cast(digit); +} + +/* + From the HTML standard: + + + application/x-www-form-urlencoded + + This is the default content type. Forms submitted with this content + type must be encoded as follows: + + 1. Control names and values are escaped. Space characters are + replaced by `+', and then reserved characters are escaped as + described in [RFC1738], section 2.2: Non-alphanumeric characters + are replaced by `%HH', a percent sign and two hexadecimal digits + representing the ASCII code of the character. Line breaks are + represented as "CR LF" pairs (i.e., `%0D%0A'). + 2. The control names/values are listed in the order they appear in + the document. The name is separated from the value by `=' and + name/value pairs are separated from each other by `&'. + + + Note RFC 1738 is obsoleted by RFC 2396. Basically it says to + escape out the reserved characters in the standard %xx format. It + also says this about the query string: + + query = *uric + uric = reserved | unreserved | escaped + reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" | + "$" | "," + unreserved = alphanum | mark + mark = "-" | "_" | "." | "!" | "~" | "*" | "'" | + "(" | ")" + escaped = "%" hex hex */ + +std::string +cgicc::form_urlencode(const std::string& src) +{ + std::string result; + std::string::const_iterator iter; + + for(iter = src.begin(); iter != src.end(); ++iter) { + switch(*iter) { + case ' ': + result.append(1, '+'); + break; + // alnum + case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G': + case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N': + case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U': + case 'V': case 'W': case 'X': case 'Y': case 'Z': + case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g': + case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n': + case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u': + case 'v': case 'w': case 'x': case 'y': case 'z': + case '0': case '1': case '2': case '3': case '4': case '5': case '6': + case '7': case '8': case '9': + // mark + case '-': case '_': case '.': case '!': case '~': case '*': case '\'': + case '(': case ')': + result.append(1, *iter); + break; + // escape + default: + result.append(1, '%'); + result.append(charToHex(*iter)); + break; + } + } + + return result; +} + +std::string +cgicc::form_urldecode(const std::string& src) +{ + std::string result; + std::string::const_iterator iter; + char c; + + for(iter = src.begin(); iter != src.end(); ++iter) { + switch(*iter) { + case '+': + result.append(1, ' '); + break; + case '%': + // Don't assume well-formed input + if(std::distance(iter, src.end()) >= 2 + && std::isxdigit(*(iter + 1)) && std::isxdigit(*(iter + 2))) { + c = *++iter; + result.append(1, hexToChar(c, *++iter)); + } + // Just pass the % through untouched + else { + result.append(1, '%'); + } + break; + + default: + result.append(1, *iter); + break; + } + } + + return result; +} + +// locate data between separators, and return it +std::string +cgicc::extractBetween(const std::string& data, + const std::string& separator1, + const std::string& separator2) +{ + std::string result; + std::string::size_type start, limit; + + start = data.find(separator1, 0); + if(std::string::npos != start) { + start += separator1.length(); + limit = data.find(separator2, start); + if(std::string::npos != limit) + result = data.substr(start, limit - start); + } + + return result; +} + +// write a string +void +cgicc::writeString(std::ostream& out, + const std::string& s) +{ + out << s.length() << ' '; + out.write(s.data(), s.length()); +} + +// write a long +void +cgicc::writeLong(std::ostream& out, + unsigned long l) +{ + out << l << ' '; +} + +// read a string +std::string +cgicc::readString(std::istream& in) +{ + std::string::size_type dataSize = 0; + + in >> dataSize; + in.get(); // skip ' ' + + // Avoid allocation of a zero-length vector + if(0 == dataSize) { + return std::string(); + } + + // Don't use auto_ptr, but vector instead + // Bug reported by bostjan@optonline.net / fix by alexoss@verizon.net + std::vector temp(dataSize); + + in.read(&temp[0], dataSize); + if(static_cast(in.gcount()) != dataSize) { + throw std::runtime_error("I/O error"); + } + + return std::string(&temp[0], dataSize); +} + +// read a long +unsigned long +cgicc::readLong(std::istream& in) +{ + unsigned long l; + + in >> l; + in.get(); // skip ' ' + return l; +} diff --git a/sdk/include/cgicc/CgiUtils.h b/sdk/include/cgicc/CgiUtils.h new file mode 100644 index 0000000..52bcefe --- /dev/null +++ b/sdk/include/cgicc/CgiUtils.h @@ -0,0 +1,208 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: CgiUtils.h,v 1.17 2014/04/23 20:55:03 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _CGIUTILS_H_ +#define _CGIUTILS_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file CgiUtils.h + * \brief A collection of utility functions. + * + * These utility functions are used internally by cgicc to + * decode posted form data, and to read/write from streams. + */ + +#include +#include +#include + +#include "CgiDefs.h" + + +namespace cgicc { + + /*! + * \brief Compare two strings for equality, ignoring case. + * + * For case-sensitive comparison, use (s1 == s2); + * \param s1 The first string to compare + * \param s2 The second string to compare + * \return \c true if the strings are equal, \c false if they are not + */ + CGICC_API bool + stringsAreEqual(const std::string& s1, + const std::string& s2); + + /*! + * \brief Compare two strings for equality, ignoring case. + * + * For case-sensitive comparison, use (s1 == s2); + * \param s1 The first string to compare + * \param s2 The second string to compare + * \param n The number of characters to compare. + * \return \c true if the strings are equal, \c false if they are not + */ + CGICC_API bool + stringsAreEqual(const std::string& ss1, + const std::string& ss2, + size_t n); + + /*! + * \brief Convert encoded characters in form data to normal ASCII. + * + * For example, "%21" is converted to '!' and '+' is converted to a space. + * Normally, this is called internally to decode the query string or post + * data. + * \param src The src string containing the encoded characters + + * \return The converted string + */ + CGICC_API std::string + form_urldecode(const std::string& src); + + /*! + * \brief Convert an ASCII string to a URL-safe string. + * + * For example, '!' is converted to "%21" and ' ' is converted to '+'. + * \param src The src string containing the characters to encode + * \return The converted string + */ + CGICC_API std::string + form_urlencode(const std::string& src); + + + /*! + * \brief Convert an ASCII character to its hexadecimal equivalent. + * + * For example, after the call + * \code + * string s = charToHex(':'); + * \endcode + * \c s will have a value of "3A". + * Normally, this is called internally to encode characters by + * escapeString. + * \param c The character to encode + * \return A string representing the hexadecimal value of c + */ + CGICC_API std::string + charToHex(char c); + + /*! + * \brief Convert a hex-encoded character to its ASCII equivalent. + * + * For example, after the call + * \code + * char c = hexToChar('2', '1'); + * \endcode + * \c c will have a value of '!'. + * Normally, this is called internally to decode encoded characters in + * the query string or post data. + * \param first The first hex digit + * \param second The second hex digit + * \return The ASCII character + */ + CGICC_API char + hexToChar(char first, + char second); + + /*! + * \brief Extract a substring contained within two separators. + * + * For example, after the call + * \code + * std::string data = "11foo22"; + * std::string res; + * res = extractBetween(data, "11", "22"); + * \endcode + * \c res will be "foo". + * \param data The data to search. + * \param separator1 The first logical separator. + * \param separator2 The second logical separator. + * \return The substring between the separators. + */ + std::string + extractBetween(const std::string& data, + const std::string& separator1, + const std::string& separator2); + + /*! + * \brief Extract a substring contained between a separator. + * + * This function is used internally to decode \c multipart/form-data + * \param data The data to search. + * \param separator The separator. + * \return The substring between the separator. + */ + inline std::string + extractBetween(const std::string& datas, + const std::string& separators) + { return extractBetween(datas, separators, separators); } + + /*! + * \brief Write a string to an ostream. + * + * This function is used internally for saving environments. + * \param out The ostream to which to write. + * \param s The string to write. + */ + void + writeString(std::ostream& out, + const std::string& s); + + /*! + * \brief Write a long to an ostream. + * + * This function is used internally for saving environments. + * \param out The ostream to which to write. + * \param l The long to write. + */ + void + writeLong(std::ostream& out, + unsigned long l); + + /*! + * \brief Read a string from an istream. + * + * This function is used internally by cgicc for restoring environments. + * \param in The istream from which to read. + * \return The string read. + */ + std::string + readString(std::istream& in); + + /*! + * \brief Read a long from an istream. + * + * This function is used internally by cgicc for restoring environments. + * \param in The istream from which to read. + * \return The long read. + */ + unsigned long + readLong(std::istream& in); + +} // namespace cgicc + +#endif /* ! _CGIUTILS_H_ */ diff --git a/sdk/include/cgicc/Cgicc.cpp b/sdk/include/cgicc/Cgicc.cpp new file mode 100644 index 0000000..e23a9b3 --- /dev/null +++ b/sdk/include/cgicc/Cgicc.cpp @@ -0,0 +1,506 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: Cgicc.cpp,v 1.34 2014/04/23 20:55:04 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif +#if HAVE_CONFIG_H +# include "config.h" +#endif +#include +#include +#include +#include +#include + +#include "CgiUtils.h" +#include "Cgicc.h" + + +namespace cgicc { + + // ============================================================ + // Class FE_nameCompare + // ============================================================ + class FE_nameCompare : public std::unary_function + { + public: + + inline explicit FE_nameCompare(const std::string& name) + : fName(name) {} + + inline bool operator() (const FormEntry& entry) const + { return stringsAreEqual(fName, entry.getName()); } + + private: + std::string fName; + }; + + // ============================================================ + // Class FE_valueCompare + // ============================================================ + class FE_valueCompare : public std::unary_function + { + public: + + inline explicit FE_valueCompare(const std::string& value) + : fValue(value) {} + + inline bool operator() (const FormEntry& entry) const + { return stringsAreEqual(fValue, entry.getValue()); } + + private: + std::string fValue; + }; + + + // ============================================================ + // Class FF_compare + // ============================================================ + class FF_compare : public std::unary_function + { + public: + + inline explicit FF_compare(const std::string& name) + : fName(name) {} + + inline bool operator() (const FormFile& entry) const + { return stringsAreEqual(fName, entry.getName()); } + + private: + std::string fName; + }; + + // ============================================================ + // Function copy_if (handy, missing from STL) + // ============================================================ + // This code taken directly from + // "The C++ Programming Language, Third Edition" by Bjarne Stroustrup + template + Out + copy_if(In first, + In last, + Out res, + Pred p) + { + while(first != last) { + if(p(*first)) + *res++ = *first; + ++first; + } + return res; + } + +} // namespace cgicc + +// ============================================================ +// Class MultipartHeader +// ============================================================ +class cgicc::MultipartHeader +{ +public: + + MultipartHeader(const std::string& disposition, + const std::string& name, + const std::string& filename, + const std::string& cType); + + inline + MultipartHeader(const MultipartHeader& head) + { operator=(head); } + ~MultipartHeader(); + + MultipartHeader& + operator= (const MultipartHeader& head); + + inline std::string + getContentDisposition() const + { return fContentDisposition; } + + inline std::string + getName() const + { return fName; } + + inline std::string + getFilename() const + { return fFilename; } + + inline std::string + getContentType() const + { return fContentType; } + +private: + std::string fContentDisposition; + std::string fName; + std::string fFilename; + std::string fContentType; +}; + +cgicc::MultipartHeader::MultipartHeader(const std::string& disposition, + const std::string& name, + const std::string& filename, + const std::string& cType) + : fContentDisposition(disposition), + fName(name), + fFilename(filename), + fContentType(cType) +{} + +cgicc::MultipartHeader::~MultipartHeader() +{} + +cgicc::MultipartHeader& +cgicc::MultipartHeader::operator= (const MultipartHeader& head) +{ + fContentDisposition = head.fContentDisposition; + fName = head.fName; + fFilename = head.fFilename; + fContentType = head.fContentType; + + return *this; +} + +// ============================================================ +// Class Cgicc +// ============================================================ +cgicc::Cgicc::Cgicc(CgiInput *input) + : fEnvironment(input) +{ + // this can be tweaked for performance + fFormData.reserve(20); + fFormFiles.reserve(2); + + parseFormInput(fEnvironment.getPostData(), fEnvironment.getContentType()); + parseFormInput(fEnvironment.getQueryString()); +} + +cgicc::Cgicc::~Cgicc() +{} + +cgicc::Cgicc& +cgicc::Cgicc::operator= (const Cgicc& cgi) +{ + this->fEnvironment = cgi.fEnvironment; + + fFormData.clear(); + fFormFiles.clear(); + + parseFormInput(fEnvironment.getPostData(), fEnvironment.getContentType()); + parseFormInput(fEnvironment.getQueryString()); + + return *this; +} + +const char* +cgicc::Cgicc::getCompileDate() const +{ return __DATE__; } + +const char* +cgicc::Cgicc::getCompileTime() const +{ return __TIME__; } + +const char* +cgicc::Cgicc::getVersion() const +{ return VERSION; } + +const char* +cgicc::Cgicc::getHost() const +{ return HOST; } + +void +cgicc::Cgicc::save(const std::string& filename) const +{ + fEnvironment.save(filename); +} + +void +cgicc::Cgicc::restore(const std::string& filename) +{ + fEnvironment.restore(filename); + + // clear the current data and re-parse the enviroment + fFormData.clear(); + fFormFiles.clear(); + + parseFormInput(fEnvironment.getPostData(), fEnvironment.getContentType()); + parseFormInput(fEnvironment.getQueryString()); +} + +bool +cgicc::Cgicc::queryCheckbox(const std::string& elementName) const +{ + const_form_iterator iter = getElement(elementName); + return (iter != fFormData.end() && stringsAreEqual(iter->getValue(), "on")); +} + +std::string +cgicc::Cgicc::operator() (const std::string& name) const +{ + std::string result; + const_form_iterator iter = getElement(name); + if(iter != fFormData.end() && false == iter->isEmpty()) + result = iter->getValue(); + return result; +} + +cgicc::form_iterator +cgicc::Cgicc::getElement(const std::string& name) +{ + return std::find_if(fFormData.begin(), fFormData.end(),FE_nameCompare(name)); +} + +cgicc::const_form_iterator +cgicc::Cgicc::getElement(const std::string& name) const +{ + return std::find_if(fFormData.begin(), fFormData.end(),FE_nameCompare(name)); +} + +bool +cgicc::Cgicc::getElement(const std::string& name, + std::vector& result) const +{ + return findEntries(name, true, result); +} + +cgicc::form_iterator +cgicc::Cgicc::getElementByValue(const std::string& value) +{ + return std::find_if(fFormData.begin(), fFormData.end(), + FE_valueCompare(value)); +} + +cgicc::const_form_iterator +cgicc::Cgicc::getElementByValue(const std::string& value) const +{ + return std::find_if(fFormData.begin(), fFormData.end(), + FE_valueCompare(value)); +} + +bool +cgicc::Cgicc::getElementByValue(const std::string& value, + std::vector& result) const +{ + return findEntries(value, false, result); +} + +cgicc::file_iterator +cgicc::Cgicc::getFile(const std::string& name) +{ + return std::find_if(fFormFiles.begin(), fFormFiles.end(), FF_compare(name)); +} + +cgicc::const_file_iterator +cgicc::Cgicc::getFile(const std::string& name) const +{ + return std::find_if(fFormFiles.begin(), fFormFiles.end(), FF_compare(name)); +} + + +// implementation method +bool +cgicc::Cgicc::findEntries(const std::string& param, + bool byName, + std::vector& result) const +{ + // empty the target vector + result.clear(); + + if(byName) { + cgicc::copy_if(fFormData.begin(), fFormData.end(), + std::back_inserter(result),FE_nameCompare(param)); + } + else { + cgicc::copy_if(fFormData.begin(), fFormData.end(), + std::back_inserter(result), FE_valueCompare(param)); + } + + return false == result.empty(); +} + +void +cgicc::Cgicc::parseFormInput(const std::string& data, const std::string &content_type) +{ + + std::string standard_type = "application/x-www-form-urlencoded"; + std::string multipart_type = "multipart/form-data"; + + // Don't waste time on empty input + if(true == data.empty()) + return; + + // Standard content type = application/x-www-form-urlencoded + // It may not be explicitly specified + if(true == content_type.empty() + || stringsAreEqual(content_type, standard_type,standard_type.length())) { + std::string name, value; + std::string::size_type pos; + std::string::size_type oldPos = 0; + + // Parse the data in one fell swoop for efficiency + while(true) { + // Find the '=' separating the name from its value, also have to check for '&' as its a common misplaced delimiter but is a delimiter none the less + pos = data.find_first_of( "&=", oldPos); + + // If no '=', we're finished + if(std::string::npos == pos) + break; + + // Decode the name + // pos == '&', that means whatever is in name is the only name/value + if( data.at( pos ) == '&' ) + { + const char * pszData = data.c_str() + oldPos; + while( *pszData == '&' ) // eat up extraneous '&' + { + ++pszData; ++oldPos; + } + if( oldPos >= pos ) + { // its all &'s + oldPos = ++pos; + continue; + } + // this becomes an name with an empty value + name = form_urldecode(data.substr(oldPos, pos - oldPos)); + fFormData.push_back(FormEntry(name, "" ) ); + oldPos = ++pos; + continue; + } + name = form_urldecode(data.substr(oldPos, pos - oldPos)); + oldPos = ++pos; + + // Find the '&' or ';' separating subsequent name/value pairs + pos = data.find_first_of(";&", oldPos); + + // Even if an '&' wasn't found the rest of the string is a value + value = form_urldecode(data.substr(oldPos, pos - oldPos)); + + // Store the pair + fFormData.push_back(FormEntry(name, value)); + + if(std::string::npos == pos) + break; + + // Update parse position + oldPos = ++pos; + } + } + // File upload type = multipart/form-data + else if(stringsAreEqual(multipart_type, content_type, + multipart_type.length())){ + + // Find out what the separator is + std::string bType = "boundary="; + std::string::size_type pos = content_type.find(bType); + + // Remove next sentence + std::string commatek=";"; + + // generate the separators + std::string sep1 = content_type.substr(pos + bType.length()); + if (sep1.find(";")!=std::string::npos) + sep1=sep1.substr(0,sep1.find(";")); + sep1.append("\r\n"); + sep1.insert(0, "--"); + + std::string sep2 = content_type.substr(pos + bType.length()); + if (sep2.find(";")!=std::string::npos) + sep2=sep2.substr(0,sep2.find(";")); + sep2.append("--\r\n"); + sep2.insert(0, "--"); + + // Find the data between the separators + std::string::size_type start = data.find(sep1); + std::string::size_type sepLen = sep1.length(); + std::string::size_type oldPos = start + sepLen; + + while(true) { + pos = data.find(sep1, oldPos); + + // If sep1 wasn't found, the rest of the data is an item + if(std::string::npos == pos) + break; + + // parse the data + parseMIME(data.substr(oldPos, pos - oldPos)); + + // update position + oldPos = pos + sepLen; + } + + // The data is terminated by sep2 + pos = data.find(sep2, oldPos); + // parse the data, if found + if(std::string::npos != pos) { + parseMIME(data.substr(oldPos, pos - oldPos)); + } + } +} + +cgicc::MultipartHeader +cgicc::Cgicc::parseHeader(const std::string& data) +{ + std::string disposition; + disposition = extractBetween(data, "Content-Disposition: ", ";"); + + std::string name; + name = extractBetween(data, "name=\"", "\""); + + std::string filename; + filename = extractBetween(data, "filename=\"", "\""); + + std::string cType; + cType = extractBetween(data, "Content-Type: ", "\r\n\r\n"); + + // This is hairy: Netscape and IE don't encode the filenames + // The RFC says they should be encoded, so I will assume they are. + filename = form_urldecode(filename); + + return MultipartHeader(disposition, name, filename, cType); +} + +void +cgicc::Cgicc::parseMIME(const std::string& data) +{ + // Find the header + std::string end = "\r\n\r\n"; + std::string::size_type headLimit = data.find(end, 0); + + // Detect error + if(std::string::npos == headLimit) + throw std::runtime_error("Malformed input"); + + // Extract the value - there is still a trailing CR/LF to be subtracted off + std::string::size_type valueStart = headLimit + end.length(); + std::string value = data.substr(valueStart, data.length() - valueStart - 2); + + // Parse the header - pass trailing CR/LF x 2 to parseHeader + MultipartHeader head = parseHeader(data.substr(0, valueStart)); + + if(head.getFilename().empty()) + fFormData.push_back(FormEntry(head.getName(), value)); + else + fFormFiles.push_back(FormFile(head.getName(), + head.getFilename(), + head.getContentType(), + value)); +} diff --git a/sdk/include/cgicc/Cgicc.h b/sdk/include/cgicc/Cgicc.h new file mode 100644 index 0000000..2909d64 --- /dev/null +++ b/sdk/include/cgicc/Cgicc.h @@ -0,0 +1,452 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: Cgicc.h,v 1.20 2014/04/23 20:55:04 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _CGICC_H_ +#define _CGICC_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file Cgicc.h + * \brief The main header file for the GNU %cgicc library + */ + +/* + * The GNU cgicc library, by Stephen F. Booth + * http://www.cgicc.org + * + * The latest version can be found on your closest GNU mirror site. + * Please mail bug reports to + */ + +#include +#include + +#include "CgiDefs.h" +#include "FormEntry.h" +#include "FormFile.h" +#include "CgiInput.h" +#include "CgiEnvironment.h" + +namespace cgicc { + +#ifdef WIN32 + template class CGICC_API std::vector; + template class CGICC_API std::vector; +#endif + + class MultipartHeader; + + // ============================================================ + // Iterator typedefs + // ============================================================ + + //! A vector of FormEntry objects + typedef std::vector::iterator form_iterator; + //! A vector of \c const FormEntry objects + typedef std::vector::const_iterator const_form_iterator; + + //! A vector of FormFile objects + typedef std::vector::iterator file_iterator; + //! A vector of \c const FormFile objects + typedef std::vector::const_iterator const_file_iterator; + + // ============================================================ + // Class Cgicc + // ============================================================ + + /*! \class Cgicc Cgicc.h cgicc/Cgicc.h + * \brief The main class of the GNU %cgicc library + * + * Cgicc is used to retrieve information on specific HTML form elements + * (such as checkboxes, radio buttons, and text fields), on uploaded files, + * and to save, restore, and retrieve information on the CGI + * environment. + * + * Normally, you will instantiate an object of this type in + * \c main(): + * \code + * int + * main(int argc, char **argv) { + * try { + * cgicc::Cgicc cgi; + * // do something with cgi + * } + * + * catch(const exception& e) { + * //handle the error + * } + * } + * \endcode + */ + class CGICC_API Cgicc { + public: + + // ============================================================ + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Constructor + * + * If you are using %cgicc with FastCGI, you will need to pass + * a \c CgiInput subclass that %cgicc will use to read input. If + * \c input is omitted, standard input and environment + * variables will be used. + * \param input A CgiInput object to use for reading input + */ + Cgicc(CgiInput *input = 0); + + /*! + * \brief Copy constructor. + * + * Sets the values of this Cgicc to those of \c cgi. + * \param env The Cgicc to copy. + */ + inline + Cgicc(const Cgicc& cgi) + : fEnvironment(cgi.fEnvironment) + { operator=(cgi); } + + /*! + * \brief Destructor + * + * Delete this Cgicc object + */ + ~Cgicc(); + //@} + + // ============================================================ + + /*! \name Overloaded Operators */ + //@{ + + /*! + * \brief Compare two Cgiccs for equality. + * + * Cgiccs are equal if they represent the same environment. + * \param cgi The Cgicc to compare to this one. + * \return \c true if the two Cgiccs are equal, \c false otherwise. + */ + inline bool + operator== (const Cgicc& cgi) const + { return this->fEnvironment == cgi.fEnvironment; } + + /*! + * \brief Compare two Cgiccs for inequality. + * + * Cgiccs are equal if they represent the same environment. + * \param cgi The Cgicc to compare to this one. + * \return \c false if the two Cgiccs are equal, \c true otherwise. + */ + inline bool + operator!= (const Cgicc& cgi) const + { return ! operator==(cgi); } + +#ifdef WIN32 + /* Dummy operator for MSVC++ */ + inline bool + operator< (const Cgicc& cgi) const + { return false; } +#endif + + /*! + * \brief Assign one Cgicc to another. + * + * Sets the environment in this Cgicc to that of \c cgi. + * \param cgi The Cgicc to copy. + * \return A reference to this. + */ + Cgicc& + operator= (const Cgicc& cgi); + //@} + + // ============================================================ + + /*! \name Library Information + * Information on this installation of %cgicc + */ + //@{ + + /*! + * \brief Get the date on which this library was compiled. + * + * This is a string of the form mmm dd yyyy. + * \return The compile date + */ + const char* + getCompileDate() const; + + /*! + * \brief Get the time at which this library was compiled. + * + * This is a string of the form \c hh:mm:ss in 24-hour time. + * \return The compile time + */ + const char* + getCompileTime() const; + + /*! + * \brief Get the version number of cgicc. + * + * The version number is a string of the form \c #.#. + * \return The version number + */ + const char* + getVersion() const; + + /*! + * \brief Get the platform for which Cgicc was configured. + * + * The host is a string of the form \c processor-manufacturer-os + * return The host triplet. + */ + const char* + getHost() const; + //@} + + // ============================================================ + + /*! \name Form Element Access + * Information on submitted form elements + */ + //@{ + + /*! + * \brief Query whether a checkbox is checked. + * + * \param elementName The name of the element to query + * \return \c true if the desired checkbox was checked, \c false if not + */ + bool + queryCheckbox(const std::string& elementName) const; + + /*! + * \brief Find a radio button in a radio group, or a selected list item. + * + * \param name The name of the radio button or list item to find. + * \return An iterator referring to the desired element, if found. + */ + inline form_iterator + operator[] (const std::string& name) + { return getElement(name); } + + /*! + * \brief Find a radio button in a radio group, or a selected list item. + * + * \param name The name of the radio button or list item to find. + * \return The desired element, or an empty string if not found. + */ + std::string + operator() (const std::string& name) const; + + /*! + * \brief Find a radio button in a radio group, or a selected list item. + * + * \param name The name of the radio button or list item to find. + * \return An iterator referring to the desired element, if found. + */ + inline const_form_iterator + operator[] (const std::string& name) const + { return getElement(name); } + + /*! + * \brief Find a radio button in a radio group, or a selected list item. + * + * \param name The name of the radio button or list item to find. + * \return An iterator referring to the desired element, if found. + */ + form_iterator + getElement(const std::string& name); + + /*! + * \brief Find a radio button in a radio group, or a selected list item. + * + * \param name The name of the radio button or list item to find. + * \return A const_iterator referring to the desired element, if found. + */ + const_form_iterator + getElement(const std::string& name) const; + + /*! + * \brief Find multiple checkboxes in a group or selected items in a list. + * + * \param name The name of the checkboxes or list to find. + * \param result A vector to hold the result. + * \return \c true if any elements were found, \c false if not. + */ + bool + getElement(const std::string& name, + std::vector& result) const; + + /*! + * \brief Find a radio button in a radio group, or a selected list item. + * + * \param value The value of the radio button or list item to find. + * \return An iterator referring to the desired element, if found. + */ + form_iterator + getElementByValue(const std::string& value); + + /*! + * \brief Find a radio button in a radio group, or a selected list item. + * + * \param value The value of the radio button or list item to find. + * \return A const_iterator referring to the desired element, if found. + */ + const_form_iterator + getElementByValue(const std::string& value) const; + + /*! + * \brief Find multiple checkboxes in a group or selected items in a list. + * + * \param value The value of the checkboxes or list to find. + * \param result A vector to hold the result. + * \return true if any elements were found, false if not. + */ + bool + getElementByValue(const std::string& value, + std::vector& result) const; + + /*! + * \brief Get all the submitted form entries, excluding files. + * + * \return A vector containing all the submitted elements. + */ + inline const std::vector& + operator* () const + { return fFormData; } + + /*! + * \brief Get all the submitted form elements, excluding files. + * + * \return A vector containing all the submitted elements. + */ + inline const std::vector& + getElements() const + { return fFormData; } + //@} + + // ============================================================ + + /*! \name Uploaded File Access */ + //@{ + + /*! + * \brief Find an uploaded file. + * + * \param name The name of the file. + * \return An iterator referring to the desired file, if found. + */ + file_iterator + getFile(const std::string& name); + + /*! + * \brief Find an uploaded file. + * + * \param name The name of the file. + * \return An iterator referring to the desired file, if found. + */ + const_file_iterator + getFile(const std::string& name) const; + + /*! + * Get all uploaded files. + * \return A vector containing all the uploaded files. + */ + inline const std::vector& + getFiles() const + { return fFormFiles; } + //@} + + // ============================================================ + + /*! \name Environment Access */ + //@{ + + /*! + * Get the current runtime environment. + * \return The current CGI environment. + */ + inline const CgiEnvironment& + getEnvironment() const + { return fEnvironment;} + //@} + + // ============================================================ + + /*! \name Save and Restore */ + //@{ + + /*! + * \brief Save the current CGI environment to a file. + * + * This is useful for debugging CGI applications. + * \param filename The name of the file to which to save. + */ + void + save(const std::string& filename) const; + + /*! + * \brief Restore from a previously-saved CGI environment. + * + * This is useful for debugging CGI applications. + * \param filename The name of the file from which to restore. + */ + void + restore(const std::string& filename); + //@} + + private: + CgiEnvironment fEnvironment; + std::vector fFormData; + std::vector fFormFiles; + + // Convert query string into a list of FormEntries + void + parseFormInput(const std::string& data, const std::string& content_type = "application/x-www-form-urlencoded"); + + // Parse a multipart/form-data header + MultipartHeader + parseHeader(const std::string& data); + + // Parse a (name=value) form entry + void + parsePair(const std::string& data); + + // Parse a MIME entry for ENCTYPE="" + void + parseMIME(const std::string& data); + + // Find elements in the list of entries + bool + findEntries(const std::string& param, + bool byName, + std::vector& result) const; + }; + +} // namespace cgicc + +#endif /* ! _CGICC_H_ */ diff --git a/sdk/include/cgicc/FormEntry.cpp b/sdk/include/cgicc/FormEntry.cpp new file mode 100644 index 0000000..7c9d853 --- /dev/null +++ b/sdk/include/cgicc/FormEntry.cpp @@ -0,0 +1,160 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: FormEntry.cpp,v 1.14 2014/04/23 20:55:04 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include +#include + +#include "FormEntry.h" + +// local macro for integer maximum +#define MAX(a, b) ((a) > (b) ? (a) : (b)) + +cgicc::FormEntry& +cgicc::FormEntry::operator= (const FormEntry& entry) +{ + fName = entry.fName; + fValue = entry.fValue; + + return *this; +} + +long +cgicc::FormEntry::getIntegerValue(long min, + long max) const +{ + long value = std::atol(fValue.c_str()); + + if(value > max) + value = max; + else if(value < min) + value = min; + + return value; +} + +long +cgicc::FormEntry::getIntegerValue(long min, + long max, + bool& bounded) const +{ + long value = std::atol(fValue.c_str()); + + bounded = false; + + if(value > max) { + value = max; + bounded = true; + } + else if(value < min) { + value = min; + bounded = true; + } + + return value; +} + +double +cgicc::FormEntry::getDoubleValue(double min, + double max) const +{ + double value = std::atof(fValue.c_str()); + if(value > max) + value = max; + else if(value < min) + value = min; + + return value; +} + +double +cgicc::FormEntry::getDoubleValue(double min, + double max, + bool& bounded) const +{ + double value = std::atof(fValue.c_str()); + + bounded = false; + + if(value > max) { + value = max; + bounded = true; + } + else if(value < min) { + value = min; + bounded = true; + } + + return value; +} + +std::string +cgicc::FormEntry::makeString(std::string::size_type maxLen, + bool allowNewlines) const +{ + std::string::size_type len = 0; + std::string::size_type avail = maxLen; + std::string::size_type crCount = 0; + std::string::size_type lfCount = 0; + std::string::const_iterator src = fValue.begin(); + std::string::const_iterator lim = fValue.end(); + std::string dst; + + + while(src != lim && len < avail) { + + // handle newlines + if('\r' == *src || '\n' == *src) { + crCount = 0; + lfCount = 0; + + // Count the number of each kind of line break ('\r' and '\n') + while( ('\r' == *src || '\n' == *src) && (src != lim)) { + if('\r' == *src) + crCount++; + else + lfCount++; + ++src; + } + + // if newlines are allowed, add them + if(allowNewlines) { + // output the larger value + int lfsAdd = MAX(crCount, lfCount); + dst.append(lfsAdd, '\n'); + len += lfsAdd; + } + } + // just append all other characters + else { + dst.append(1, *src); + ++len; + ++src; + } + } + + return dst; +} diff --git a/sdk/include/cgicc/FormEntry.h b/sdk/include/cgicc/FormEntry.h new file mode 100644 index 0000000..6e6d602 --- /dev/null +++ b/sdk/include/cgicc/FormEntry.h @@ -0,0 +1,327 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: FormEntry.h,v 1.15 2014/04/23 20:55:04 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _FORMENTRY_H_ +#define _FORMENTRY_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file FormEntry.h + * \brief Class representing a single HTML form entry. + * + * FormEntry is an immutable class representing a single user entry + * in an HTML form element such as a text field, radio button, or a + * checkbox. A FormEntry is essentially a name/value pair, where the + * name is the name of the form element as specified in the HTML form + * itself, and the value is the user-entered or user-selected value. + */ + +#include +#include +#include +#include + +#include "CgiDefs.h" +#include "CgiUtils.h" + +namespace cgicc { + + // ============================================================ + // Class FormEntry + // ============================================================ + + /*! \class FormEntry FormEntry.h cgicc/FormEntry.h + * \brief Class representing a single HTML form entry. + * + * FormEntry is an immutable class representing a single user entry + * in an HTML form element such as a text field, radio button, or a + * checkbox. A FormEntry is essentially a name/value pair, where the + * name is the name of the form element as specified in the HTML form + * itself, and the value is the user-entered or user-selected value. + * + * If a \c QUERY_STRING contained the fragment \c cgicc=yes the + * corresponding FormEntry would have a name of \c cgicc and a value + * of \c yes + * + * \sa FormFile + */ + class CGICC_API FormEntry + { + public: + + // ============================================================ + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Default constructor + * + * Shouldn't be used. + */ + inline + FormEntry() + {} + + /*! + * \brief Create a new FormEntry + * + * This is usually not called directly, but by Cgicc. + * \param name The name of the form element + * \param value The value of the form element + */ + inline + FormEntry(const std::string& name, + const std::string& value) + : fName(name), fValue(value) + {} + + /*! + * \brief Copy constructor. + * + * Sets the name and value of this FormEntry to those of \c entry. + * \param entry The FormEntry to copy. + */ + inline + FormEntry(const FormEntry& entry) + { operator=(entry); } + + /*! + * \brief Destructor. + * + * Delete this FormEntry object + */ + inline + ~FormEntry() + {} + //@} + + // ============================================================ + + /*! \name Overloaded Operators */ + //@{ + + /*! + * \brief Compare two FormEntrys for equality. + * + * FormEntrys are equal if they have the same name and value. + * \param entry The FormEntry to compare to this one. + * \return \c true if the two FormEntrys are equal, \c false otherwise. + */ + inline bool + operator== (const FormEntry& entry) const + { return stringsAreEqual(fName, entry.fName); } + + /*! + * \brief Compare two FormEntrys for inequality. + * + * FormEntrys are equal if they have the same name and value. + * \param entry The FormEntry to compare to this one. + * \return \c false if the two FormEntrys are equal, \c true otherwise. + */ + inline bool + operator!= (const FormEntry& entry) const + { return ! operator==(entry); } + +#ifdef WIN32 + /* Dummy operator for MSVC++ */ + inline bool + operator< (const FormEntry& entry) const + { return false; } +#endif + + /*! + * \brief Assign one FormEntry to another. + * + * Sets the name and value of this FormEntry to those of \c entry. + * \param entry The FormEntry to copy. + * \return A reference to this. + */ + FormEntry& + operator= (const FormEntry& entry); + //@} + + // ============================================================ + + /*! \name Accessor Methods + * Information on the form element + */ + //@{ + + /*! + * \brief Get the name of the form element. + * + * The name of the form element is specified in the HTML form that + * called the CGI application. + * \return The name of the form element. + */ + inline std::string + getName() const + { return fName; } + + /*! + * \brief Get the value of the form element as a string + * + * The value returned may contain line breaks. + * \return The value of the form element. + */ + inline std::string + getValue() const + { return fValue; } + + /*! + * \brief Get the value of the form element as a string + * + * The value returned may contain line breaks. + * \return The value of the form element. + */ + inline std::string + operator* () const + { return getValue(); } + + /*! + * \brief Get the value of the form element as a string + * + * The value returned will be truncated to a specific length. + * The value may contain line breaks. + * \param maxChars The maximum number of characters to return. + * \return The value of the form element, truncated to the specified length. + */ + inline std::string + getValue(std::string::size_type maxChars) const + { return makeString(maxChars, true); } + + /*! + * \brief Get the value of the form element as a string + * + * The value returned will be stripped of all line breaks. + * \return The value of the form element, stripped of all line breaks. + */ + inline std::string + getStrippedValue() const + { return getStrippedValue(INT_MAX); } + + /*! + * \brief Get the value of the form element as a string + * + * The value returned will be stripped of all line breaks + * and truncated to a specific length. + * \param maxChars The maximum number of characters to return. + * \return The value of the form element, stripped of all line breaks and + * truncated to the specified length. + */ + inline std::string + getStrippedValue(std::string::size_type maxChars) const + { return makeString(maxChars, false); } + + /*! + * \brief Get the value of the form element as an integer + * + * No syntax checking is performed on the string value. + * \param min The minimum value to return (optional). + * \param max The maximum value to return (optional). + * \return The integer value of the form element. + */ + long + getIntegerValue(long min = LONG_MIN, + long max = LONG_MAX) const; + + /*! + * \brief Get the value of the form element as an integer + * + * No syntax checking is performed on the string value. + * \param min The minimum value to return. + * \param max The maximum value to return. + * \param bounded Set to \c true if the value was originally outside the + * limits, \c false otherwise + * \return The integer value of the form element. + */ + long + getIntegerValue(long min, + long max, + bool& bounded) const; + + /*! + * \brief Get the value of the form element as a double + * + * No syntax checking is performed on the string value. + * \param min The minimum value to return (optional). + * \param max The maximum value to return (optional). + * \return The double value of the form element. + */ + double + getDoubleValue(double min = -DBL_MAX, + double max = DBL_MAX) const; + + /*! + * \brief Get the value of the form element as a double + * + * No syntax checking is performed on the string value. + * \param min The minimum value to return. + * \param max The maximum value to return. + * \param bounded Set to \c true if the value was originally outside the + * limits, \c false otherwise + * \return The double value of the form element. + */ + double + getDoubleValue(double min, + double max, + bool& bounded) const; + + + /*! + * \brief Get the number of characters in the value of the form element. + * + * Note that a character may or may not equal one byte. + * \return The length of the value of the form element + */ + inline std::string::size_type + length() const + { return fValue.length(); } + + /*! + * \brief Determine if this form element is empty + * + * In an empty form element, length() == 0. + * \return \c true if this form element is empty, \c false otherwise. + */ + inline bool + isEmpty() const + { return (0 == length()); } + //@} + + private: + // utility function + std::string + makeString(std::string::size_type maxLen, + bool allowNewlines) const; + + std::string fName; // the name of this form element + std::string fValue; // the value of this form element + }; + +} // namespace cgicc + +#endif /* ! _FORMENTRY_H_ */ diff --git a/sdk/include/cgicc/FormFile.cpp b/sdk/include/cgicc/FormFile.cpp new file mode 100644 index 0000000..27a7339 --- /dev/null +++ b/sdk/include/cgicc/FormFile.cpp @@ -0,0 +1,65 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: FormFile.cpp,v 1.11 2014/04/23 20:55:04 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "FormFile.h" +#include "CgiUtils.h" + +cgicc::FormFile::FormFile(const std::string& name, + const std::string& filename, + const std::string& dataType, + const std::string& data) + : fName(name), + fFilename(filename), + fData(data) +{ + fDataType = dataType.empty() ? std::string("text/plain") : dataType; +} + +bool +cgicc::FormFile::operator== (const FormFile& file) const +{ + return (stringsAreEqual(fName, file.fName) && + stringsAreEqual(fFilename, file.fFilename) && + stringsAreEqual(fDataType, file.fDataType)); +} + +cgicc::FormFile& +cgicc::FormFile::operator= (const FormFile& file) +{ + fName = file.fName; + fFilename = file.fFilename; + fDataType = file.fDataType; + fData = file.fData; + + return *this; +} + +void +cgicc::FormFile::writeToStream(std::ostream& out) const +{ + out.write(getData().data(), getDataLength()); +} diff --git a/sdk/include/cgicc/FormFile.h b/sdk/include/cgicc/FormFile.h new file mode 100644 index 0000000..e7136a2 --- /dev/null +++ b/sdk/include/cgicc/FormFile.h @@ -0,0 +1,237 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: FormFile.h,v 1.12 2014/04/23 20:55:04 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _FORMFILE_H_ +#define _FORMFILE_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file FormFile.h + * \brief Class representing a file submitted via an HTML form. + * + * FormFile is an immutable class reprenting a file uploaded via + * the HTTP file upload mechanism. If you are going to use file upload + * in your CGI application, remember to set the ENCTYPE of the form to + * \c multipart/form-data. + */ + +#include +#include + +#include "CgiDefs.h" + +namespace cgicc { + + // ============================================================ + // Class FormFile + // ============================================================ + + /*! \class FormFile FormFile.h cgicc/FormFile.h + * \brief Class representing a file submitted via an HTML form. + * + * FormFile is an immutable class reprenting a file uploaded via + * the HTTP file upload mechanism. If you are going to use file upload + * in your CGI application, remember to set the ENCTYPE of the form to + * \c multipart/form-data. + * \verbatim +
+ \endverbatim + * \sa FormEntry + */ + class CGICC_API FormFile + { + public: + + // ============================================================ + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Default constructor + * + * Shouldn't be used. + */ + inline + FormFile() + {} + + /*! + * \brief Create a new FormFile. + * + * This is usually not called directly, but by Cgicc. + * \param name The \e name of the form element. + * \param filename The \e filename of the file on the remote machine. + * \param dataType The MIME content type of the data, if specified, or 0. + * \param data The file data. + */ + FormFile(const std::string& name, + const std::string& filename, + const std::string& dataType, + const std::string& data); + + /*! + * \brief Copy constructor. + * + * Sets the name, filename, datatype, and data to those of \c file + * @param file The FormFile to copy. + */ + inline + FormFile(const FormFile& file) + { operator=(file); } + + /*! + * \brief Destructor + * + * Delete this FormFile object + */ + inline + ~FormFile() + {} + //@} + + // ============================================================ + + /*! \name Overloaded Operators */ + //@{ + + /*! + * \brief Compare two FormFiles for equality. + * + * FormFiles are equal if they have the same filename. + * @param file The FormFile to compare to this one. + * @return \c true if the two FormFiles are equal, \c false otherwise. + */ + bool + operator== (const FormFile& file) const; + + /*! + * \brief Compare two FormFiles for inequality. + * + * FormFiles are equal if they have the same filename. + * \param file The FormFile to compare to this one. + * \return \c false if the two FormFiles are equal, \c true otherwise. + */ + inline bool + operator!= (const FormFile& file) const + { return ! operator==(file); } + +#ifdef WIN32 + /* Dummy operator for MSVC++ */ + inline bool + operator< (const FormFile& file) const + { return false; } +#endif + + /*! + * \brief Assign one FormFile to another. + * + * Sets the name, filename, datatype, and data to those of \c file + * \param file The FormFile to copy. + * \return A reference to this. + */ + FormFile& + operator= (const FormFile& file); + //@} + + // ============================================================ + + /*! \name Accessor Methods + * Information on the uploaded file + */ + //@{ + + /*! + * \brief Write this file data to the specified stream. + * + * This is useful for saving uploaded data to disk + * \param out The ostream to which to write. + */ + void + writeToStream(std::ostream& out) const; + + /*! + * \brief Get the name of the form element. + * + * The name of the form element is specified in the HTML form that + * called the CGI application. + * \return The name of the form element. + */ + inline std::string + getName() const + { return fName; } + + /*! + * \brief Get the basename of the file on the remote machine. + * + * The filename is stripped of all leading directory information + * \return The basename of the file on the remote machine. + */ + inline std::string + getFilename() const + { return fFilename; } + + /*! + * \brief Get the MIME type of the file data. + * + * This will be of the form \c text/plain or \c image/jpeg + * \return The MIME type of the file data. + */ + inline std::string + getDataType() const + { return fDataType; } + + /*! + * \brief Get the file data. + * + * This returns the raw file data as a string + * \return The file data. + */ + inline std::string + getData() const + { return fData; } + + /*! + * \brief Get the length of the file data + * + * The length of the file data is usually measured in bytes. + * \return The length of the file data, in bytes. + */ + inline std::string::size_type + getDataLength() const + { return fData.length(); } + //@} + + private: + std::string fName; + std::string fFilename; + std::string fDataType; + std::string fData; + }; + +} // namespace cgicc + +#endif /* ! _FORMFILE_H_ */ diff --git a/sdk/include/cgicc/HTMLAtomicElement.h b/sdk/include/cgicc/HTMLAtomicElement.h new file mode 100644 index 0000000..5908ead --- /dev/null +++ b/sdk/include/cgicc/HTMLAtomicElement.h @@ -0,0 +1,114 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLAtomicElement.h,v 1.7 2007/07/02 18:48:18 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTMLATOMICELEMENT_H_ +#define _HTMLATOMICELEMENT_H_ 1 + +/*! \file HTMLAtomicElement.h + * \brief Template class for concrete atomic HTMLElement subclasses + * + */ + +#include + +#include "cgicc/HTMLElement.h" + +namespace cgicc { + + // ============================================================ + // Template for concrete atomic HTML element classes + // ============================================================ + + /*! \class HTMLAtomicElement HTMLAtomicElement.h cgicc/HTMLAtomicElement.h + * \brief Template for concrete atomic HTMLElement subclasses + * + * An atomic HTML element is an element in which the opening and closing + * tags are combined. For example, in the HTML code + \verbatim + + \endverbatim + * The \c meta tag is an atomic HTML element because the opening and closing + * tags appear together. + * \sa HTMLElement + * \sa HTMLBooleanElement + */ + template + class HTMLAtomicElement : public HTMLElement + { + public: + + // ============================================================ + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Create a new empty atomic element. + * + */ + HTMLAtomicElement() + : HTMLElement(0, 0, 0, eAtomic) + {} + + /*! + * \brief Create a new element, specifying the HTMLAttributes. + * + * \param attributes The HTMLAttributes contained within the element. + */ + HTMLAtomicElement(const HTMLAttributeList& attributes) + : HTMLElement(&attributes, 0, 0, eAtomic) + {} + + + /*! + * \brief Destructor + * + */ + virtual ~HTMLAtomicElement() + {} + //@} + + /*! + * \brief Clone this element + * + * \return A newly-allocated copy of this element + */ + virtual inline HTMLElement* + clone() const + { return new HTMLAtomicElement(*this); } + + + /*! + * \brief Get the name of this element. + * + * For example, \c meta. + * \return The name of this element + */ + virtual inline const char* + getName() const + { return Tag::getName(); } + }; + +} // namespace cgicc + +#endif /* ! _HTMLATOMICELEMENT_H_ */ diff --git a/sdk/include/cgicc/HTMLAttribute.cpp b/sdk/include/cgicc/HTMLAttribute.cpp new file mode 100644 index 0000000..5ba4c71 --- /dev/null +++ b/sdk/include/cgicc/HTMLAttribute.cpp @@ -0,0 +1,77 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLAttribute.cpp,v 1.8 2014/04/23 20:55:04 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "HTMLAttribute.h" +#include "CgiUtils.h" + +// ============================================================ +// Class HTMLAttribute +// ============================================================ +cgicc::HTMLAttribute::HTMLAttribute() +{} + +cgicc::HTMLAttribute::HTMLAttribute(const std::string& name) + : fName(name), + fValue(name) +{} + +cgicc::HTMLAttribute::HTMLAttribute(const std::string& name, + const std::string& value) + : fName(name), + fValue(value) +{} + +cgicc::HTMLAttribute::HTMLAttribute(const HTMLAttribute& attribute) + : MStreamable(), + fName(attribute.fName), + fValue(attribute.fValue) +{} + +cgicc::HTMLAttribute::~HTMLAttribute() +{} + +bool +cgicc::HTMLAttribute::operator== (const HTMLAttribute& att) const +{ + return (stringsAreEqual(fName, att.fName) + && stringsAreEqual(fValue, att.fValue)); +} + +cgicc::HTMLAttribute& +cgicc::HTMLAttribute::operator= (const HTMLAttribute& att) +{ + fName = att.fName; + fValue = att.fValue; + + return *this; +} + +void +cgicc::HTMLAttribute::render(std::ostream& out) const +{ + out << getName() << "=\"" << getValue() << "\""; +} diff --git a/sdk/include/cgicc/HTMLAttribute.h b/sdk/include/cgicc/HTMLAttribute.h new file mode 100644 index 0000000..4ac0d94 --- /dev/null +++ b/sdk/include/cgicc/HTMLAttribute.h @@ -0,0 +1,237 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLAttribute.h,v 1.9 2014/04/23 20:55:04 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTMLATTRIBUTE_H_ +#define _HTMLATTRIBUTE_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTMLAttribute.h + * \brief Class dealing with HTML element attributes + * + * For example, in the HTML code + \verbatim +
+ \endverbatim + * \c clear is an attribute of the \c br element. + */ + +#include +#include + +#include "CgiDefs.h" +#include "MStreamable.h" + +namespace cgicc { + + // ============================================================ + // Class HTMLAttribute + // ============================================================ + + /*! \class HTMLAttribute HTMLAttribute.h cgicc/HTMLAttribute.h + * \brief Class representing a name or a single name/value pair + * + * An HTMLAttribute represents a single name/value + * pair inside an HTMLElement. For example, in the HTML code: + \verbatim + Send mail + \endverbatim + * The (name, value) pair (href, mailto:%sbooth@gnu.org) is + * an HTMLAttribute. + * HTMLAttribute objects are usually not created directly, but + * using the set() methods. To generate the HTML above using + * %cgicc, write + * \code + * cout << cgicc::a("Send Mail").set("href", "mailto:sbooth@gnu.org"); + * \endcode + * \sa HTMLAttributeList + */ + class CGICC_API HTMLAttribute : public MStreamable + { + public: + + // ============================================================ + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Create an empty HTMLAttribute. + * + * The name and value are set to an empty string. + */ + HTMLAttribute(); + + /*! + * \brief Create an HTMLAttribute with the given name. + * + * This will simply set the name and value to the same value. + * \param name The name of the attribute. + */ + HTMLAttribute(const std::string& name); + + /*! + * \brief Create an HTMLAttribute with the given name and value. + * + * Most attributes are of this form + * \param name The attribute's name, for example \c href + * \param value The attributes's alue, for exampe \c foo.html + */ + HTMLAttribute(const std::string& name, + const std::string& value); + + /*! + * \brief Copy constructor. + * + * Sets the name of value of this attribute to those of \c attribute + * \param attribute The HTMLAttribute to copy. + */ + HTMLAttribute(const HTMLAttribute& attribute); + + /*! + * \brief Destructor + * + * Delete this HTMLAttribute object + */ + virtual ~HTMLAttribute(); + //@} + + // ============================================================ + + /*! \name Overloaded Operators */ + //@{ + + /*! + * \brief Compare two HTMLAttributes for equality. + * + * HTMLAttributes are equal if they have the same name and value. + * \param att The HTMLAttribute to compare to this one. + * \return \c true if the two HTMLAttributes are equal, \c false otherwise. + */ + bool + operator== (const HTMLAttribute& att) const; + + /*! + * \brief Compare two HTMLAttributes for inequality. + * + * HTMLAttributes are equal if they have the same name and value. + * \param att The HTMLAttribute to compare to this one. + * \return \c false if the two HTMLAttributes are equal, \c true otherwise. + */ + inline bool + operator!= (const HTMLAttribute& att) const + { return ! operator==(att); } + +#ifdef WIN32 + /* Dummy operator for MSVC++ */ + inline bool + operator< (const HTMLAttribute& att) const + { return false; } +#endif + + /*! + * \brief Assign one HTMLAttribute to another. + * + * Sets the name of value of this attribute to those of \c att + * \param att The HTMLAttribute to copy. + * \return A reference to this. + */ + HTMLAttribute& + operator= (const HTMLAttribute& att); + //@} + + // ============================================================ + + /*! \name Accessor Methods + * Information on the attribute + */ + //@{ + + /*! + * \brief Get the name of this HTMLAttribute. + * + * For example, \c HREF + * \return The attribute's name. + */ + inline std::string + getName() const + { return fName; } + + /*! + * \brief Get the value of this HTMLAttribute. + * + * For example, \c http://www.gnu.org + * \return The attribute's value. + */ + inline std::string + getValue() const + { return fValue; } + //@} + + // ============================================================ + + /*! \name Mutator Methods + * Set properties of the attribute + */ + //@{ + + /*! + * \brief Set the name of this HTMLAttribute. + * + * Use this method if the name wasn't specified in the constructor + * \param name The new name of the attribute. + */ + inline void + setName(const std::string& name) + { fName = name; } + + /*! + * \brief Set the value of this HTMLAttribute. + * + * Use this method if the value wasn't specified in the constructor + * \param value The new value of the attribute. + */ + inline void + setValue(const std::string& value) + { fValue = value; } + //@} + + /*! + * \brief Render this attribute to an ostream + * + * This is used for output purposes + * \param out The ostream to which to write + */ + virtual void + render(std::ostream& out) const; + + private: + std::string fName; + std::string fValue; + }; + +} // namespace cgicc + +#endif /* ! _HTMLATTRIBUTE_H_ */ diff --git a/sdk/include/cgicc/HTMLAttributeList.cpp b/sdk/include/cgicc/HTMLAttributeList.cpp new file mode 100644 index 0000000..67ef122 --- /dev/null +++ b/sdk/include/cgicc/HTMLAttributeList.cpp @@ -0,0 +1,82 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLAttributeList.cpp,v 1.8 2014/04/23 20:55:05 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "HTMLAttributeList.h" +#include "CgiUtils.h" + +// ============================================================ +// Class HTMLAttributeList +// ============================================================ +cgicc::HTMLAttributeList::HTMLAttributeList() +{ + fAttributes.reserve(5); +} + +cgicc::HTMLAttributeList::HTMLAttributeList(const HTMLAttribute& head) +{ + fAttributes.reserve(5); + fAttributes.push_back(head); +} + +cgicc::HTMLAttributeList::HTMLAttributeList(const HTMLAttributeList& list) +{ + this->operator=(list); +} + +cgicc::HTMLAttributeList::~HTMLAttributeList() +{} + +cgicc::HTMLAttributeList& +cgicc::HTMLAttributeList::operator= (const HTMLAttributeList& list) +{ + fAttributes = list.fAttributes; + return *this; +} + +cgicc::HTMLAttributeList& +cgicc::HTMLAttributeList::set(const std::string& name) +{ + fAttributes.push_back(HTMLAttribute(name)); + return *this; +} + +cgicc::HTMLAttributeList& +cgicc::HTMLAttributeList::set(const std::string& name, + const std::string& value) +{ + fAttributes.push_back(HTMLAttribute(name, value)); + return *this; +} + +void +cgicc::HTMLAttributeList::render(std::ostream& out) const +{ + std::vector::const_iterator iter; + for(iter = fAttributes.begin(); iter != fAttributes.end(); ++iter) { + out << *iter << ' '; + } +} diff --git a/sdk/include/cgicc/HTMLAttributeList.h b/sdk/include/cgicc/HTMLAttributeList.h new file mode 100644 index 0000000..0d008e2 --- /dev/null +++ b/sdk/include/cgicc/HTMLAttributeList.h @@ -0,0 +1,211 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLAttributeList.h,v 1.8 2014/04/23 20:55:05 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTMLATTRIBUTELIST_H_ +#define _HTMLATTRIBUTELIST_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTMLAttributeList.h + * \brief Class containing a list of HTMLAttribute objects + * + * The list is expandable and uses the STL vector class for storage + */ + +#include +#include +#include + +#include "CgiDefs.h" +#include "MStreamable.h" +#include "HTMLAttribute.h" + +namespace cgicc { + + // ============================================================ + // Class HTMLAttributeList + // ============================================================ + +#ifdef WIN32 + template class CGICC_API std::vector; +#endif + + /*! \class HTMLAttributeList HTMLAttributeList.h cgicc/HTMLAttributeList.h + * \brief An expandable list of HTMLAttribute objects + * + * An HTMLAttributeList represents any number of HTMLAttribute objects + * which may be embedded in an HTMLElement. To add HTMLAttribute objects + * to an HTMLAttributeList, use the set() methods or functions. + * For example, + * \code + * cgicc::HTMLAttributeList list = cgicc::set("HEIGHT", "100").set("WIDTH", "100"); + * \endcode + * generates an HTMLAttributeList with two elements. + * \see HTMLAttribute + * \see HTMLElement + */ + class CGICC_API HTMLAttributeList + { + public: + + // ============================================================ + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Create an empty HTMLAttributeList. + * + * HTMLAttributeLists are most often created with the set functions + */ + HTMLAttributeList(); + + /*! + * \brief Create a new HTMLAttributeList, specifying the first element. + * + * The first attribute in the list is set to \c head + * \param head The first element of the list + */ + HTMLAttributeList(const HTMLAttribute& head); + + /*! + * \brief Copy constructor. + * + * Sets the elements in this list to those in \c list + * \param list The HTMLAttributeList to copy. + */ + HTMLAttributeList(const HTMLAttributeList& list); + + /*! + * \brief Destructor + * + * Delete this HTMLAttributeList object + */ + ~HTMLAttributeList(); + //@} + + + // ============================================================ + + /*! \name Overloaded Operators */ + //@{ + + /*! + * \brief Assign one HTMLAttributeList to another. + * + * Sets the elements in this list to those in \c list + * \param list The HTMLAttributeList to copy + */ + HTMLAttributeList& + operator= (const HTMLAttributeList &list); + //@} + + + // ============================================================ + + /*! \name List Management + * Add attributes to the list + */ + //@{ + + /*! + * \brief Add an atomic HTMLAttribute to this list + * + * \c isindex is an example of an atomic attribute. + * \param name The name of the HTMLAttribute to set. + * \return A reference to \c this + */ + HTMLAttributeList& + set(const std::string& name); + + /*! + * \brief Add a HTMLAttribute to this list + * + * For a list of possible attributes see http://www.w3.org/TR/REC-html40/ + * \param name The name of the HTMLAttribute to set. + * \param value The value of the HTMLAttribute to set. + * \return A reference to \c this + */ + HTMLAttributeList& + set(const std::string& name, + const std::string& value); + //@} + + /*! \name Utility Methods */ + //@{ + + /*! + * \brief Render this HTMLAttributeList to an ostream + * + * This is used for output + * \param out The ostream to which to write + */ + void + render(std::ostream& out) const; + //@} + + private: + std::vector fAttributes; + }; + + // ============================================================ + // List manipulators + // ============================================================ + + /*! + * \brief Create a new HTMLAttributeList, and set an HTMLAttribute. + * + * This function is usually called from within the constructor of an + * HTMLElement: + * \code + * out << img(set("ISINDEX")) << endl; + * \endcode + * \param name The name of the HTMLAttribute to set. + * \return A reference to the list. + */ + inline HTMLAttributeList + set(const std::string& name) + { return HTMLAttributeList(HTMLAttribute(name)); } + + /*! + * \brief Create a new HTMLAttributeList, and set an HTMLAttribute. + * + * This function is usually called from within the constructor of an + * HTMLElement: + * \code + * out << a("link text", set("HREF","http://www.foo.com")) << endl; + * \endcode + * \param name The name of the HTMLAttribute to set. + * \param value The value of the HTMLAttribute to set. + * \return A reference to the list. + */ + inline HTMLAttributeList + set(const std::string& name, + const std::string& value) + { return HTMLAttributeList(HTMLAttribute(name, value)); } + +} // namespace cgicc + +#endif /* ! _HTMLATTRIBUTES_H_ */ diff --git a/sdk/include/cgicc/HTMLBooleanElement.h b/sdk/include/cgicc/HTMLBooleanElement.h new file mode 100644 index 0000000..027d3c1 --- /dev/null +++ b/sdk/include/cgicc/HTMLBooleanElement.h @@ -0,0 +1,193 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLBooleanElement.h,v 1.9 2014/04/23 20:55:05 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTMLBOOLEANELEMENT_H_ +#define _HTMLBOOLEANELEMENT_H_ 1 + +/*! \file HTMLBooleanElement.h + * \brief Template class for concrete boolean HTMLElement subclasses + * + */ + +#include + +#include "HTMLElement.h" + +namespace cgicc { + + // ============================================================ + // Template for concrete boolean HTML element classes + // ============================================================ + + /*! \class HTMLBooleanElement HTMLBooleanElement.h cgicc/HTMLBooleanElement.h + * \brief Template for concrete boolean HTMLElement subclasses + * + * A boolean HTML element is an element having a boolean (open or closed) + * state. Most commonly used HTML tags are boolean elements: + \verbatim + GNU Project + \endverbatim + * The \c a element is boolean, since it is either open or closed. Boolean + * elements are often additive: + \verbatim + bold textbold italic text + \endverbatim + * Note than under the XHTML 1.0 standard, elements may not overlap; ie, + * in the example above, it would be illegal to close the \c b tag before + * the \c i tag. + * \sa HTMLElement + * \sa HTMLAtomicElement + */ + template + class HTMLBooleanElement : public HTMLElement + { + public: + + // ============================================================ + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Create a new empty boolean element. + * + */ + HTMLBooleanElement() + : HTMLElement(0, 0, 0, eBoolean) + {} + + /*! + * \brief Create a new element, specifying the enclosed text. + * \param text The text within the element. + */ + HTMLBooleanElement(const std::string& text) + : HTMLElement(0, 0, &text, eBoolean) + {} + + /*! + * \brief Create a new element, specifying the HTMLAttribute objects. + * \param attributes The HTMLAttributes contained within the element. + */ + HTMLBooleanElement(const HTMLAttributeList& attributes) + : HTMLElement(&attributes, 0, 0, eBoolean) + {} + + /*! + * \brief Create a new element, specifying an embedded HTMLElement. + * \param embedded The HTMLElement embedded inside the element. + */ + HTMLBooleanElement(const HTMLElement& embedded) + : HTMLElement(0, &embedded, 0, eBoolean) + {} + + /*! + * \brief Create a new element, specifying the enclosed text and + * HTMLAttribute objects. + * \param attributes The HTMLAttributes contained within the element. + * \param text The text within the element. + */ + HTMLBooleanElement(const std::string& text, + const HTMLAttributeList& attributes) + : HTMLElement(&attributes, 0, &text, eBoolean) + {} + + /*! + * \brief Create a new element, specifying the HTMLAttributes and embedded + * HTMLElement. + * \param attributes The HTMLAttributes contained within the element. + * \param embed The HTMLElement embedded inside the element. + */ + HTMLBooleanElement(const HTMLAttributeList& attributes, + const HTMLElement& embed) + : HTMLElement(&attributes, &embed, 0, eBoolean) + {} + + /*! + * \brief Destructor + * + */ + virtual ~HTMLBooleanElement() + {} + //@} + + // ============================================================ + + /*! + * \brief Clone this element + * \return A newly-allocated copy of this element + */ + virtual inline HTMLElement* + clone() const + { return new HTMLBooleanElement(*this); } + + // ============================================================ + + /*! + * \brief Get the name of this element. For example, "strong" + * \return The name of this element + */ + virtual inline const char* + getName() const + { return Tag::getName(); } + + // ============================================================ + + /*! \name State Management */ + //@{ + + /*! + * \brief Swap the state of this boolean element + * + * A state of \c true indicates the element is currently open + */ + virtual inline void + swapState() const + { sState = ! sState; } + + /*! + * \brief Get the state of this boolean element + * \return \c true if this element is open, \c false otherwise + */ + virtual inline bool + getState() const + { return sState; } + + /*! + * \brief Reset the state of this boolean element to closed + * + */ + static inline void + reset() + { sState = false; } + //@} + + private: + static bool sState; + }; + + template + bool cgicc::HTMLBooleanElement::sState = false; + +} // namespace cgicc + +#endif /* ! _HTMLBOOLEANELEMENT_H_ */ diff --git a/sdk/include/cgicc/HTMLClasses.h b/sdk/include/cgicc/HTMLClasses.h new file mode 100644 index 0000000..bb96631 --- /dev/null +++ b/sdk/include/cgicc/HTMLClasses.h @@ -0,0 +1,216 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLClasses.h,v 1.17 2014/04/23 20:55:05 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTMLCLASSES_H_ +#define _HTMLCLASSES_H_ 1 + +/*! \file HTMLClasses.h + * \brief The header file containing HTML output classes. + * + * One class is defined for each element in the HTML 4.0 standard. + */ + +#include "CgiDefs.h" +#include "HTMLAtomicElement.h" +#include "HTMLBooleanElement.h" +#include "HTMLDoctype.h" + +// ============================================================ +// Macros defining types of elements +// ============================================================ + +/*! + * \brief Create an HTML element rendering class + * + * \param name The name of the class to define + * \param tag The text to output when this tag is rendered + */ +#define TAG(name, tag) \ +class name##Tag \ +{ public: inline static const char* getName() { return tag; } } + +/*! + * \brief Create an atomic HTML element + * + * Atomic HTML elements maintain no internal on/off state. For + * example, \c br and \c meta are atomic elements. + * \param name The name of the class to define + * \param tag The text to output when this tag is rendered + */ +#define ATOMIC_ELEMENT(name, tag) \ +TAG(name, tag); typedef HTMLAtomicElement name + +/*! + * \brief An HTML element maintaining an internal on/off state + * + * Boolean HTML elements maintain an internal state, and the output + * rendered depends on the current state. For example, \c h1 and \c + * title are boolean elements. + * \param name The name of the class to define + * \param tag The text to output when this tag is rendered + */ +#define BOOLEAN_ELEMENT(name, tag) \ +TAG(name, tag); typedef HTMLBooleanElement name + + +// ============================================================ +// HTML 4.0 elements - for details see http://www.w3.org/ +// ============================================================ + +namespace cgicc { + + // ============================================================ + // Class comment - needs special render function + // ============================================================ + + class nullTag + { public: inline static const char* getName() { return 0; } }; + + /*! \class comment HTMLClasses.h cgicc/HTMLClasses.h + * \brief An HTML comment + */ + class comment : public HTMLBooleanElement + { + virtual void render(std::ostream& out) const + { + if(getData().empty() && false == dataSpecified()) { + swapState(); + out << (getState() ? ""); + } + else + out << ""; + } + }; + + BOOLEAN_ELEMENT (html, "html"); // HTML document + BOOLEAN_ELEMENT (head, "head"); // document head + BOOLEAN_ELEMENT (title, "title"); // document title + ATOMIC_ELEMENT (meta, "meta"); // meta data + BOOLEAN_ELEMENT (style, "style"); // style sheet + BOOLEAN_ELEMENT (body, "body"); // document body + BOOLEAN_ELEMENT (div, "div"); // block-level grouping + BOOLEAN_ELEMENT (span, "span"); // inline grouping + BOOLEAN_ELEMENT (h1, "h1"); // level 1 heading + BOOLEAN_ELEMENT (h2, "h2"); // level 2 heading + BOOLEAN_ELEMENT (h3, "h3"); // level 3 heading + BOOLEAN_ELEMENT (h4, "h4"); // level 4 heading + BOOLEAN_ELEMENT (h5, "h5"); // level 5 heading + BOOLEAN_ELEMENT (h6, "h6"); // level 6 heading + BOOLEAN_ELEMENT (address, "address"); // contact information + + // text markup + + BOOLEAN_ELEMENT (em, "em"); // emphasis + BOOLEAN_ELEMENT (strong, "strong"); // stronger emphasis + BOOLEAN_ELEMENT (cite, "cite"); // citation/reference + BOOLEAN_ELEMENT (dfn, "dfn"); // defining instance + BOOLEAN_ELEMENT (code, "code"); // computer code + BOOLEAN_ELEMENT (samp, "samp"); // sample output + BOOLEAN_ELEMENT (kbd, "kbd"); // user input + BOOLEAN_ELEMENT (var, "var"); // variable/argument + BOOLEAN_ELEMENT (abbr, "abbr"); // abbreviated form + BOOLEAN_ELEMENT (acronym, "acronym"); // acronym + BOOLEAN_ELEMENT (blockquote, "blockquote"); // block-level quotation + BOOLEAN_ELEMENT (q, "q"); // inline quotation + BOOLEAN_ELEMENT (sub, "sub"); // subscript + BOOLEAN_ELEMENT (sup, "sup"); // superscript + BOOLEAN_ELEMENT (p, "p"); // paragraph + ATOMIC_ELEMENT (br, "br"); // line break + BOOLEAN_ELEMENT (pre, "pre"); // preformatted text + BOOLEAN_ELEMENT (ins, "ins"); // inserted text + BOOLEAN_ELEMENT (del, "del"); // deleted text + BOOLEAN_ELEMENT (bdo, "bdo"); // overriding direction + + // lists + + BOOLEAN_ELEMENT (ul, "ul"); // unordered list + BOOLEAN_ELEMENT (ol, "ol"); // ordered list + BOOLEAN_ELEMENT (li, "li"); // list item + BOOLEAN_ELEMENT (dl, "dl"); // definition list + BOOLEAN_ELEMENT (dt, "dt"); // term to be defined + BOOLEAN_ELEMENT (dd, "dd"); // definition of term + + // tables + + BOOLEAN_ELEMENT (table, "table"); // table element + BOOLEAN_ELEMENT (caption, "caption"); // table caption + BOOLEAN_ELEMENT (thead, "thead"); // table head section + BOOLEAN_ELEMENT (tfoot, "tfoot"); // table foot section + BOOLEAN_ELEMENT (tbody, "tbody"); // table body section + BOOLEAN_ELEMENT (colgroup, "colgroup"); // vertical section + ATOMIC_ELEMENT (col, "col"); // column attributes + BOOLEAN_ELEMENT (tr, "tr"); // table row + BOOLEAN_ELEMENT (th, "th"); // table header cell + BOOLEAN_ELEMENT (td, "td"); // table data cell + + // links + + BOOLEAN_ELEMENT (a, "a"); // anchor + ATOMIC_ELEMENT (link, "link"); // document link + ATOMIC_ELEMENT (base, "base"); // path information + + // objects + + ATOMIC_ELEMENT (img, "img"); // inline image + BOOLEAN_ELEMENT (object, "object"); // generic object + ATOMIC_ELEMENT (param, "param"); // object parameters + BOOLEAN_ELEMENT (map, "map"); // client image map + ATOMIC_ELEMENT (area, "area"); // image map region + ATOMIC_ELEMENT (hr, "hr"); // horizontal rule + + // fonts - preferably use stylesheets + + BOOLEAN_ELEMENT (tt, "tt"); // monospaced text + BOOLEAN_ELEMENT (i, "i"); // italic text style + BOOLEAN_ELEMENT (b, "b"); // bold text style + BOOLEAN_ELEMENT (big, "big"); // large font + BOOLEAN_ELEMENT (small, "small"); // small font + + // frames - not part of the strict DTD + + BOOLEAN_ELEMENT (frameset, "frameset"); // frame layout + ATOMIC_ELEMENT (frame, "frame"); // frame contents + BOOLEAN_ELEMENT (noframes, "noframes"); // alternative text + BOOLEAN_ELEMENT (iframe, "iframe"); // inline frame + + // forms + + BOOLEAN_ELEMENT (form, "form"); // form element + ATOMIC_ELEMENT (input, "input"); // generic input + BOOLEAN_ELEMENT (button, "button"); // special button + BOOLEAN_ELEMENT (select, "select"); // option menu + BOOLEAN_ELEMENT (optgroup, "optgroup"); // option group + BOOLEAN_ELEMENT (option, "option"); // option item + BOOLEAN_ELEMENT (textarea, "textarea"); // multi-line text input + BOOLEAN_ELEMENT (label, "label"); // input label + BOOLEAN_ELEMENT (fieldset, "fieldset"); // grouping input fields + BOOLEAN_ELEMENT (legend, "legend"); // caption for field set + + // scripts + + BOOLEAN_ELEMENT (script, "script"); // script element + BOOLEAN_ELEMENT (noscript, "noscript"); // alternative text + +} // namespace cgicc + +#endif /* ! _HTMLCLASSES_H_ */ diff --git a/sdk/include/cgicc/HTMLDoctype.cpp b/sdk/include/cgicc/HTMLDoctype.cpp new file mode 100644 index 0000000..365c266 --- /dev/null +++ b/sdk/include/cgicc/HTMLDoctype.cpp @@ -0,0 +1,84 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLDoctype.cpp,v 1.9 2014/12/07 14:33:02 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +#pragma implementation +#endif + +#include "HTMLDoctype.h" + +// ============================================================ +// Class HTMLDoctype +// ============================================================ + +cgicc::HTMLDoctype::HTMLDoctype(EDocumentType type) + : fType(type) +{} + +cgicc::HTMLDoctype::~HTMLDoctype() +{} + +void +cgicc::HTMLDoctype::render(std::ostream &out) const +{ + bool bHTML5 = false; + out << "'; +} + diff --git a/sdk/include/cgicc/HTMLDoctype.h b/sdk/include/cgicc/HTMLDoctype.h new file mode 100644 index 0000000..fa046a1 --- /dev/null +++ b/sdk/include/cgicc/HTMLDoctype.h @@ -0,0 +1,95 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLDoctype.h,v 1.10 2014/12/07 14:33:02 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTMLDOCTYPE_H_ +#define _HTMLDOCTYPE_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTMLDoctype.h + * \brief Class which specifies the DTD of the HTML 4 document + * + */ + +#include + +#include "MStreamable.h" + +namespace cgicc { + + // ============================================================ + // Class HTMLDoctype + // ============================================================ + + /*! \class HTMLDoctype HTMLDoctype.h cgicc/HTMLDoctype.h + * \brief Specifies the DTD of the HTML 4 document + * + * To use this class, simply write an object of this type to an ostream: + * \code + * out << cgicc::HTMLDoctype(); + * \endcode + * For more information, see \c http://www.w3.org/MarkUp/ and + * \c http://www.w3.org/TR/REC-html40/ + */ + class CGICC_API HTMLDoctype : public MStreamable + { + public: + + /*! The DTD used by this document. */ + enum EDocumentType { + /*! The HTML 4.0 strict DTD (the default) */ + eStrict, + /*! The HTML 4.0 Transitional DTD */ + eTransitional, + /*! The HTML 4.0 Frameset DTD */ + eFrames, + /*! HTML5 (added 11.30.14 t.o.) */ + eHTML5 + }; + + + /*! + * \brief Constructor. + * \param type The version of the HTML 4.0 DTD used by this document. + */ + HTMLDoctype(EDocumentType type = eStrict); + + /*! + * \brief Destructor + * + */ + virtual ~HTMLDoctype(); + + virtual void + render(std::ostream& out) const; + + private: + EDocumentType fType; + }; + +} // namespace cgicc + +#endif /* ! _HTMLDOCTYPE_H_ */ + diff --git a/sdk/include/cgicc/HTMLElement.cpp b/sdk/include/cgicc/HTMLElement.cpp new file mode 100644 index 0000000..8b206a6 --- /dev/null +++ b/sdk/include/cgicc/HTMLElement.cpp @@ -0,0 +1,212 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLElement.cpp,v 1.10 2014/04/23 20:55:05 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include +#include +#include "HTMLElement.h" +#include "HTMLElementList.h" + +// ============================================================ +// Class HTMLElement +// ============================================================ +cgicc::HTMLElement::HTMLElement(const HTMLElement& element) + : MStreamable(), + fAttributes(0), + fEmbedded(0) +{ + this->operator= (element); +} + +cgicc::HTMLElement::HTMLElement(const HTMLAttributeList *attributes, + const HTMLElement *embedded, + const std::string *data, + EElementType type) + : fAttributes(0), + fEmbedded(0), + fData(), + fType(type), + fDataSpecified(false) +{ + if(0 != attributes) + fAttributes = new HTMLAttributeList(*attributes); + + if(0 != embedded) + fEmbedded = new HTMLElementList(*embedded); + + if(0 != data) { + fData = *data; + fDataSpecified = true; + } +} + +cgicc::HTMLElement::~HTMLElement() +{ + delete fAttributes; + delete fEmbedded; +} + +bool +cgicc::HTMLElement::operator== (const HTMLElement& element) const +{ + // this is really lame, but only necessary for template instantiation + return (strcmp(getName(), element.getName()) == 0 + && fDataSpecified == element.fDataSpecified); +} + +cgicc::HTMLElement& +cgicc::HTMLElement::operator= (const HTMLElement& element) +{ + // avoid memory leak; bug fix from Francois Degros + delete fAttributes; + delete fEmbedded; + + fAttributes = element.fAttributes; + fEmbedded = element.fEmbedded; + fData = element.fData; + fType = element.fType; + fDataSpecified = element.fDataSpecified; + + // perform a deep copy + if(0 != fAttributes) + fAttributes = new HTMLAttributeList(*fAttributes); + + if(0 != fEmbedded) + fEmbedded = new HTMLElementList(*fEmbedded); + + return *this; +} + +void +cgicc::HTMLElement::setAttributes(const HTMLAttributeList& attributes) +{ + delete fAttributes; + fAttributes = new HTMLAttributeList(attributes); +} + +void +cgicc::HTMLElement::setEmbedded(const HTMLElementList& embedded) +{ + delete fEmbedded; + fEmbedded = new HTMLElementList(embedded); +} + +cgicc::HTMLElement& +cgicc::HTMLElement::add(const HTMLElement& element) +{ + if(0 == fEmbedded) + fEmbedded = new HTMLElementList(); + fEmbedded->add(element); + return *this; +} + +cgicc::HTMLElement& +cgicc::HTMLElement::add(HTMLElement *element) +{ + if(0 == fEmbedded) + fEmbedded = new HTMLElementList(); + fEmbedded->add(element); + return *this; +} + +cgicc::HTMLElement& +cgicc::HTMLElement::set(const std::string& name) +{ + if(0 == fAttributes) + fAttributes = new HTMLAttributeList(); + fAttributes->set(name); + return *this; +} + +cgicc:: HTMLElement& +cgicc::HTMLElement::set(const std::string& name, + const std::string& value) +{ + if(0 == fAttributes) + fAttributes = new HTMLAttributeList(); + fAttributes->set(name, value); + return *this; +} + +void +cgicc::HTMLElement::render(std::ostream& out) const +{ + if(eBoolean == getType() && false == dataSpecified()) { + /* no embedded elements */ + if(0 == fEmbedded) { + swapState(); + /* getState() == true ===> element is active */ + if(true == getState()) { + out << '<' << getName(); + /* render attributes, if present */ + if(0 != fAttributes) { + out << ' '; + fAttributes->render(out); + } + out << '>'; + } + else + out << "'; + } + /* embedded elements present */ + else { + out << '<' << getName(); + /* render attributes, if present */ + if(0 != fAttributes) { + out << ' '; + fAttributes->render(out); + } + out << '>'; + fEmbedded->render(out); + out << "'; + } + } + /* For non-boolean elements */ + else { + if(eAtomic == getType()) { + out << '<' << getName(); + if(0 != fAttributes) { + out << ' '; + fAttributes->render(out); + } + out << " />"; + } + else { + out << '<' << getName(); + if(0 != fAttributes) { + out << ' '; + fAttributes->render(out); + } + out << '>'; + + if(0 != fEmbedded) + fEmbedded->render(out); + else + out << getData(); + out << "'; + } + } +} diff --git a/sdk/include/cgicc/HTMLElement.h b/sdk/include/cgicc/HTMLElement.h new file mode 100644 index 0000000..c428037 --- /dev/null +++ b/sdk/include/cgicc/HTMLElement.h @@ -0,0 +1,382 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLElement.h,v 1.9 2014/04/23 20:55:06 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTMLELEMENT_H_ +#define _HTMLELEMENT_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTMLElement.h + * \brief Class dealing with HTML elements + * + * For example, \c a, \c img, \c html, and \c body, are all HTML elements. + */ + +#include + +#include "CgiDefs.h" +#include "MStreamable.h" +#include "HTMLAttributeList.h" + +namespace cgicc { + + class HTMLElementList; + + // ============================================================ + // Class HTMLElement + // ============================================================ + + /*! \class HTMLElement HTMLElement.h cgicc/HTMLElement.h + * \brief Class representing an HTML element. + * + * An HTML element is any entity enclosed in angle brackets (\< and \>) + * interpreted as HTML, for example \c a, \c img, \c html, and \c body. + * + * This class is an abstract base class that defines the interface + * for all HTMLElement subclasses. + */ + class CGICC_API HTMLElement : public MStreamable + { + public: + + /*! + * \brief Possible types of HTMLElements + * + * An HTMLElement is either atomic, meaning it has no corresponding + * closing tag (elements such as \c hr and \c br are atomic) or + * boolean (elements such as \c a and \c ol are boolean) + */ + enum EElementType { + /*! Atomic element, such as \c hr */ + eAtomic, + /*! Boolean element, such as \c strong */ + eBoolean + }; + + // ============================================================ + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Copy constructor. + * + * Sets the name and internal state of this element to those of \c element + * \param element The HTMLElement to copy. + */ + HTMLElement(const HTMLElement& element); + + /*! + * \brief Destructor + * + * Delete this HTMLElement object + */ + virtual ~HTMLElement(); + //@} + + // ============================================================ + + /*! \name Overloaded Operators */ + //@{ + + /*! + * \brief Compare two HTMLElements for equality. + * + * HTMLElements are equal if they have the same name + * \param element The HTMLElement to compare to this one. + * \return \c true if the two HTMLElements are equal, \c false otherwise. + */ + bool + operator== (const HTMLElement& element) const; + + /*! + * \brief Compare two HTMLElements for inequality. + * + * HTMLElements are equal if they have the same name + * \param element The HTMLElement to compare to this one. + * \return \c false if the two HTMLElements are equal, \c true otherwise. + */ + inline bool + operator!= (const HTMLElement& element) const + { return ! operator==(element); } + +#ifdef WIN32 + /* Dummy operator for MSVC++ */ + inline bool + operator< (const HTMLElement& element) const + { return false; } +#endif + + /*! + * \brief Assignment operator + * + * Sets the name and internal state of this element to those of \c element + * \param element The HTMLElement to copy + * \return A reference to \c this + */ + HTMLElement& + operator= (const HTMLElement& element); + //@} + + // ============================================================ + + /*! \name Accessor Methods + * Information on the element + */ + //@{ + + /*! + * \brief Get the name of this element. + * + * For example, \c html or \c body. + * \return The name of this element. + */ + virtual const char* + getName() const = 0; + + /*! + * \brief Get the data contained in this element, if any. + * + * This is only applicable for boolean elements + * \return The data contained in this element. + */ + inline std::string + getData() const + { return fData; } + + /*! + * \brief Get the type of this element + * + * Most HTMLElements are boolean + * \return The type of this element + */ + inline EElementType + getType() const + { return fType; } + //@} + + // ============================================================ + + /*! \name Mutator Methods + * Set properties of the element + */ + //@{ + + /*! + * \brief Set the data contained in this element. + * + * The data is the text contained between the opening and closing tags + * \param data The data to store in this element. + */ + inline void + setData(const std::string& data) + { fData = data; } + //@} + + // ============================================================ + + /*! + * \brief Clone this HTMLElement + * + * This performs a deep copy of the element + * \return A pointer to a newly-allocated copy of \c this. + */ + virtual HTMLElement* + clone() const = 0; + + // ============================================================ + + /*! \name Embedded HTMLElement Management + * Manage elements embedded in this one + */ + //@{ + + /*! + * \brief Get the HTMLElementList embedded in this element, if any. + * + * If this method returns 0, no elements are embedded + * \return The embedded element list. + */ + inline const HTMLElementList* + getEmbedded() const + { return fEmbedded; } + + /*! + * \brief Set the HTMLElementList associated with this element. + * + * This is usually called by subclass constructors + * \param embedded The HTMLElementList containing the HTMLElements + * embedded in this element. + */ + void + setEmbedded(const HTMLElementList& embedded); + + /*! + * \brief Add an embedded HTMLElement in this one + * + * + * \param element A reference to an HTMLElement to embed in this one + * \return A reference to \c this + */ + HTMLElement& + add(const HTMLElement& element); + + /*! + * \brief Add an embedded HTMLElement in this one + * + * This element takes ownership of \c element, which should not be deleted. + * \param element A pointer to an HTMLElement to embed. + * \return A reference to \c this + */ + HTMLElement& + add(HTMLElement *element); + //@} + + // ============================================================ + + /*! \name HTMLAttribute Management + * Manage attributes embedded in this element + */ + //@{ + + /*! + * \brief Get the attributes associated with this element. + * + * If this method returns 0, no attributes are embedded + * \return The attribute list. + */ + inline const HTMLAttributeList* + getAttributes() const + { return fAttributes; } + + /*! + * \brief Set the attributes associated with this element. + * + * This is usually called by subclass constructors + * \param attributes The HTMLAttributeList containing the HTMLAttributes + * belonging to this element. + */ + void + setAttributes(const HTMLAttributeList& attributes); + + /*! + * \brief Set an HTMLAttribute on this HTMLElement + * + * + * \param name The name of the HTMLAttribute to set + * \return A reference to \c this + */ + HTMLElement& + set(const std::string& name); + + /*! + * \brief Set an HTMLAttribute on this HTMLElement + * + * + * \param name The name of the HTMLAttribute + * \param value The value of the HTMLAttribute + * \return A reference to \c this + */ + HTMLElement& + set(const std::string& name, + const std::string& value); + //@} + + // ============================================================ + + /*! \name Boolean element methods + * Methods specific to boolean elements + */ + //@{ + + /*! + * \brief Swap the state of the boolean element + * + * A state of \c true means the element is active + */ + virtual void + swapState() const + {} + + /*! + * \brief Get the state of this boolean element + * + * + * \return \c true if the element is active, \c false otherwise + */ + virtual bool + getState() const + { return false; } + //@} + + /*! + * \brief Render this HTMLElement to an ostream + * + * This is used for output + * \param out The ostream to which to write + */ + virtual void + render(std::ostream& out) const; + + protected: + + /*! + * \brief Subclass constructor + * + * This allows the subclasses to fully specify all properties + * \param attributes A pointer to an HTMLAttributeList containing the + * HTMLAttributes for this HTMLElement, if any + * \param embedded A pointer to the embedded HTMLElement, if any + * \param data A pointer to the data, if any + * \param type The type of element + */ + HTMLElement(const HTMLAttributeList *attributes, + const HTMLElement *embedded, + const std::string *data, + EElementType type); + + /*! + * \brief For subclasses only + * + * Returns \c true if data was specified in the constructor. + * \return \c true if data was specified in the constructor, \c false otherwise + */ + inline bool + dataSpecified() const + { return fDataSpecified; } + + private: + HTMLElement() {} + + HTMLAttributeList *fAttributes; + HTMLElementList *fEmbedded; + std::string fData; + EElementType fType; + bool fDataSpecified; + }; + +} // namespace cgicc + +#endif /* ! _HTMLELEMENT_H_ */ diff --git a/sdk/include/cgicc/HTMLElementList.cpp b/sdk/include/cgicc/HTMLElementList.cpp new file mode 100644 index 0000000..d2bb7e6 --- /dev/null +++ b/sdk/include/cgicc/HTMLElementList.cpp @@ -0,0 +1,91 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLElementList.cpp,v 1.8 2014/04/23 20:55:06 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include + +#include "HTMLElementList.h" + + +// ============================================================ +// Class HTMLElementList +// ============================================================ +cgicc::HTMLElementList::HTMLElementList() +{ + fElements.reserve(5); +} + +cgicc::HTMLElementList::HTMLElementList(const HTMLElement& head) +{ + fElements.reserve(5); + fElements.push_back(head.clone()); +} + +cgicc::HTMLElementList::HTMLElementList(const HTMLElementList& list) +{ + this->operator=(list); +} + +cgicc::HTMLElementList::~HTMLElementList() +{ + std::vector::const_iterator iter; + for(iter = fElements.begin(); iter != fElements.end(); ++iter) + delete *iter; +} + +cgicc::HTMLElementList& +cgicc::HTMLElementList::operator= (const HTMLElementList& list) +{ + fElements = list.fElements; + + std::vector::iterator iter; + for(iter = fElements.begin(); iter != fElements.end(); ++iter) + *iter = (*iter)->clone(); + + return *this; +} + +cgicc::HTMLElementList& +cgicc::HTMLElementList::add(const HTMLElement& element) +{ + fElements.push_back(element.clone()); + return *this; +} + +cgicc::HTMLElementList& +cgicc::HTMLElementList::add(HTMLElement *element) +{ + fElements.push_back(element); + return *this; +} + +void +cgicc::HTMLElementList::render(std::ostream& out) const +{ + std::vector::const_iterator iter; + for(iter = fElements.begin(); iter != fElements.end(); ++iter) + (*iter)->render(out); +} diff --git a/sdk/include/cgicc/HTMLElementList.h b/sdk/include/cgicc/HTMLElementList.h new file mode 100644 index 0000000..6efb510 --- /dev/null +++ b/sdk/include/cgicc/HTMLElementList.h @@ -0,0 +1,168 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTMLElementList.h,v 1.9 2014/04/23 20:55:06 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTMLELEMENTLIST_H_ +#define _HTMLELEMENTLIST_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTMLElementList.h + * \brief Class containing a list of HTMLElement objects + * + * The list is expandable and uses the STL vector class for storage + */ + +#include +#include + +#include "CgiDefs.h" +#include "MStreamable.h" +#include "HTMLAttribute.h" +#include "HTMLElement.h" + +namespace cgicc { + + // ============================================================ + // Class HTMLElementList + // ============================================================ + +#ifdef WIN32 + template class CGICC_API std::vector; +#endif + + /*! \class HTMLElementList HTMLElementList.h cgicc/HTMLElementList.h + * \brief An expandable list of HTMLElement objects + * + * An HTMLElementList represents any number of HTMLElement objects. + * To add HTMLElement objects to the list, use the add() methods: + * \code + * cgicc::HTMLElementList list; + * list.add(br()); + * \endcode + * \see HTMLAttribute + * \see HTMLElement + */ + class CGICC_API HTMLElementList + { + public: + + // ============================================================ + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Create an empty HTMLElementList. + * + * HTMLElementLists are most often created with the add() functions + */ + HTMLElementList(); + + /*! + * \brief Create a new HTMLElementList, specifying the first element. + * + * The first element in the list is set to \c head + * \param head The first element of the list + */ + HTMLElementList(const HTMLElement& head); + + /*! + * \brief Copy constructor. + * + * Sets the elements in this list to those of \c list + * \param list The HTMLElementList to copy. + */ + HTMLElementList(const HTMLElementList& list); + + /*! + * \brief Destructor + * + * Deletes this HTMLElementList object + */ + ~HTMLElementList(); + //@} + + // ============================================================ + + /*! \name Overloaded Operators */ + //@{ + + /*! + * \brief Assignment operator + * + * Sets the elements in this list to those of \c list + * \param list The HTMLElementList to copy + * \return A reference to \c this + */ + HTMLElementList& + operator= (const HTMLElementList& list); + //@} + + // ============================================================ + + /*! \name List Management + * Manage the elements in the list + */ + //@{ + + /*! + * \brief Add an HTMLElement to the list. + * + * \param element The HTMLElement to add. + * \return A reference to \c this + */ + HTMLElementList& + add(const HTMLElement& element); + + /*! + * \brief Add an HTMLElement to the list. + * + * \param element The HTMLElement to add. + * \return A reference to the \c this + */ + HTMLElementList& + add(HTMLElement *element); + //@} + + /*! Utility Methods */ + //@{ + + /*! + * \brief Render this HTMLElementList + * + * \param out The ostream to which to write + */ + void + render(std::ostream& out) const; + //@} + + private: + std::vector fElements; + // elements must be stored as pointers, otherwise polymorphism doesn't work + }; + +} // namespace cgicc + +#endif /* ! _HTMLELEMENTLIST_H_ */ diff --git a/sdk/include/cgicc/HTTPContentHeader.cpp b/sdk/include/cgicc/HTTPContentHeader.cpp new file mode 100644 index 0000000..bd6e127 --- /dev/null +++ b/sdk/include/cgicc/HTTPContentHeader.cpp @@ -0,0 +1,50 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPContentHeader.cpp,v 1.8 2014/04/23 20:55:06 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "HTTPContentHeader.h" + +// ============================================================ +// Class HTTPContentHeader +// ============================================================ +cgicc::HTTPContentHeader::HTTPContentHeader(const std::string& mimeType) + : HTTPHeader(mimeType) +{} + +cgicc::HTTPContentHeader::~HTTPContentHeader() +{} + +void +cgicc::HTTPContentHeader::render(std::ostream& out) const +{ + out << "Content-Type: " << getData() << std::endl; + + std::vector::const_iterator iter; + for(iter = getCookies().begin(); iter != getCookies().end(); ++iter) + out << *iter << std::endl; + + out << std::endl; +} diff --git a/sdk/include/cgicc/HTTPContentHeader.h b/sdk/include/cgicc/HTTPContentHeader.h new file mode 100644 index 0000000..c7e8eb1 --- /dev/null +++ b/sdk/include/cgicc/HTTPContentHeader.h @@ -0,0 +1,81 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPContentHeader.h,v 1.8 2014/04/23 20:55:06 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTTPCONTENTHEADER_H_ +#define _HTTPCONTENTHEADER_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTTPContentHeader.h + * \brief Class for sending data of a specific MIME type + * + */ + +#include + +#include "HTTPHeader.h" + +namespace cgicc { + + // ============================================================ + // Class HTTPContentHeader + // ============================================================ + /*! \class HTTPContentHeader HTTPContentHeader.h cgicc/HTTPContentHeader.h + * \brief HTTP header for data of a specified MIME type. + * + */ + class CGICC_API HTTPContentHeader : public HTTPHeader + { + public: + + /*! \name Constructor and Destructor */ + //@{ + + /*! + * \brief Create a new MIME type header. + * \param mimeType The MIME type of the data which will be sent. + */ + HTTPContentHeader(const std::string& mimeType); + + /*! + * \brief Destructor + * + */ + virtual ~HTTPContentHeader(); + //@} + + /*! \name Inherited Methods */ + //@{ + virtual void + render(std::ostream& out) const; + //@} + + private: + HTTPContentHeader(); + }; + +} // namespace cgicc + +#endif /* ! _HTTPCONTENTHEADER_H_ */ diff --git a/sdk/include/cgicc/HTTPCookie.cpp b/sdk/include/cgicc/HTTPCookie.cpp new file mode 100644 index 0000000..3223d8b --- /dev/null +++ b/sdk/include/cgicc/HTTPCookie.cpp @@ -0,0 +1,112 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPCookie.cpp,v 1.12 2014/04/23 20:55:07 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "HTTPCookie.h" +#include "CgiUtils.h" + +// ============================================================ +// Class HTTPCookie +// ============================================================ +cgicc::HTTPCookie::HTTPCookie() + : fMaxAge(0), + fSecure(false), + fRemoved(false) +{} + +cgicc::HTTPCookie::HTTPCookie(const std::string& name, + const std::string& value) + : fName(name), + fValue(value), + fMaxAge(0), + fSecure(false), + fRemoved(false) +{} + +cgicc::HTTPCookie::HTTPCookie(const std::string& name, + const std::string& value, + const std::string& comment, + const std::string& domain, + unsigned long maxAge, + const std::string& path, + bool secure) + : fName(name), + fValue(value), + fComment(comment), + fDomain(domain), + fMaxAge(maxAge), + fPath(path), + fSecure(secure), + fRemoved(false) +{} + +cgicc::HTTPCookie::HTTPCookie(const HTTPCookie& cookie) + : MStreamable(), + fName(cookie.fName), + fValue(cookie.fValue), + fComment(cookie.fComment), + fDomain(cookie.fDomain), + fMaxAge(cookie.fMaxAge), + fPath(cookie.fPath), + fSecure(cookie.fSecure), + fRemoved(cookie.fRemoved) +{} + +cgicc::HTTPCookie::~HTTPCookie() +{} + +bool +cgicc::HTTPCookie::operator== (const HTTPCookie& cookie) const +{ + return (stringsAreEqual(fName, cookie.fName) + && stringsAreEqual(fValue, cookie.fValue) + && stringsAreEqual(fComment, cookie.fComment) + && stringsAreEqual(fDomain, cookie.fDomain) + && fMaxAge == cookie.fMaxAge + && stringsAreEqual(fPath, cookie.fPath) + && fSecure == cookie.fSecure + && fRemoved == cookie.fRemoved); +} + +void +cgicc::HTTPCookie::render(std::ostream& out) const +{ + out << "Set-Cookie:" << fName << '=' << fValue; + if(false == fComment.empty()) + out << "; Comment=" << fComment; + if(false == fDomain.empty()) + out << "; Domain=" << fDomain; + if(fRemoved) + out << "; Expires=Fri, 01-Jan-1971 01:00:00 GMT;"; + else if(0 != fMaxAge) + out << "; Max-Age=" << fMaxAge; + if(false == fPath.empty()) + out << "; Path=" << fPath; + if(true == fSecure) + out << "; Secure"; + + out << "; Version=1"; +} diff --git a/sdk/include/cgicc/HTTPCookie.h b/sdk/include/cgicc/HTTPCookie.h new file mode 100644 index 0000000..1bb953f --- /dev/null +++ b/sdk/include/cgicc/HTTPCookie.h @@ -0,0 +1,369 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPCookie.h,v 1.10 2014/04/23 20:55:07 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTTPCOOKIE_H_ +#define _HTTPCOOKIE_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTTPCookie.h + * \brief An HTTP Cookie + */ + +#include + +#include "MStreamable.h" +#include "CgiDefs.h" + +namespace cgicc { + + // ============================================================ + // Class HTTPCookie + // ============================================================ + /*! \class HTTPCookie HTTPCookie.h cgicc/HTTPCookie.h + * \brief An HTTP cookie + * + * An HTTP cookie is a way to maintain state between stateless HTTP + * requests. HTTP cookies consist of name/value pairs, with optional + * comments, domains, and expiration dates. Usually, you will add one + or more HTTPCookie objects to the HTTP headers your script is + * returning. For example, to set a cookie called \c count to \c 1 in + * a normal HTML document: + * \code + * out << HTTPHTMLHeader().setCookie(HTTPCookie("count","1")); + * \endcode + */ + class CGICC_API HTTPCookie : public MStreamable + { + public: + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Default Constructor + * + * Create a new, empty HTTPCookie. + */ + HTTPCookie(); + + /*! + * \brief Create a new HTTPCookie + * + * This is the most commonly-used constructor. + * \param name The name of the cookie. + * \param value The value of the cookie. + */ + HTTPCookie(const std::string& name, + const std::string& value); + + /*! + * \brief Create a new fully-spefified HTTPCookie + * + * + * \param name The name of the cookie. + * \param value The value of the cookie. + * \param comment Any comment associated with the cookie. + * \param domain The domain for which this cookie is valid- an empty string + * will use the hostname of the server which generated the cookie response. + * If specified, the domain must start with a period('.'). + * \param maxAge A number of seconds defining the lifetime of this cookie. + * A value of \c 0 indicates the cookie expires immediately. + * \param path The subset of URLS in a domain for which the cookie is + * valid, for example \c / + * @param secure Specifies whether this is a secure cookie. + */ + HTTPCookie(const std::string& name, + const std::string& value, + const std::string& comment, + const std::string& domain, + unsigned long maxAge, + const std::string& path, + bool secure); + + /*! + * \brief Copy constructor + * + * Set the name, value, comment, domain, age and path of this cookie + * to those of \c cookie + * \param cookie The HTTPCookie to copy. + */ + HTTPCookie(const HTTPCookie& cookie); + + /*! + * \brief Destructor + * + * Delete this HTTPCookie + */ + virtual ~HTTPCookie(); + //@} + + // ============================================================ + + /*! \name Overloaded Operators */ + //@{ + + /*! + * \brief Compare two HTTPCookies for equality. + * + * Two HTTPCookie objects are equal if their names, values, + * comments, domains, ages, and paths match. + * \param cookie The HTTPCookie to compare to this one + * \return true if the two HTTPCookies are equal, false otherwise. + */ + bool + operator== (const HTTPCookie& cookie) const; + + /*! + * \brief Compare two HTTPCookies for inequality. + * + * Two HTTPCookie objects are equal if their names, values, + * comments, domains, ages, and paths match. + * \param cookie The HTTPCookie to compare to this one + * \return false if the two HTTPCookies are equal, true otherwise. + */ + inline bool + operator != (const HTTPCookie& cookie) const + { return ! operator==(cookie); } + +#ifdef WIN32 + /* Dummy operator for MSVC++ */ + inline bool + operator< (const HTTPCookie& cookie) const + { return false; } +#endif + //@} + + // ============================================================ + + /*! \name Accessor Methods */ + //@{ + + /*! + * \brief Mark this cookie as secure or unsecure. + * + */ + inline void + remove() + { fRemoved = true; } + + /*! + * \brief Mark this cookie as secure or unsecure. + * + * \param removed Set removed status + */ + inline void + setRemoved(bool removed) + { fRemoved = removed; } + /*! + * \brief Determine if this is a removed cookie. + * + * \return True if this cookie is removed, false if not. + */ + inline bool + isRemoved() const + { return fRemoved; } + /*! + * \brief Create a new partially-spefified HTTPCookie for deletion + * + * + * \param name The name of the cookie. + * \param domain The domain for which this cookie is valid- an empty string + * will use the hostname of the server which generated the cookie response. + * If specified, the domain must start with a period('.'). + * \param path The subset of URLS in a domain for which the cookie is + * valid, for example \c / + * @param secure Specifies whether this is a secure cookie. + */ + HTTPCookie(const std::string& name, + const std::string& domain, + const std::string& path, + bool secure); + + /*! + * \brief Get the name of this cookie. + * + * \return The name of this cookie. + */ + inline std::string + getName() const + { return fName; } + + /*! + * \brief Get the value of this cookie. + * + * \return The value of this cookie. + */ + inline std::string + getValue() const + { return fValue; } + + /*! + * \brief Get the comment of this cookie. + * + * \return The comment of this cookie. + */ + inline std::string + getComment() const + { return fComment; } + + /*! + * \brief Get the domain for which this cookie is valid. + * + * An empty string indicates the hostname of the server which + * generated the cookie response. + * \return The domain of this cookie, or "" if none. + */ + inline std::string + getDomain() const + { return fDomain; } + + /*! + * \brief Get the lifetime of this cookie, in seconds. + * + * \return The lifetime of this cookie, or 0 if none. + */ + inline unsigned long + getMaxAge() const + { return fMaxAge; } + + /*! + * \brief Get the path of this cookie. + * + * This is the subset of URLS in a domain for which the cookie is + * valid, for example \c / + * \return The path of this cookie, or "" if none. + */ + inline std::string + getPath() const + { return fPath; } + + /*! + * \brief Determine if this is a secure cookie. + * + * \return True if this cookie is secure, false if not. + */ + inline bool + isSecure() const + { return fSecure; } + //@} + + // ============================================================ + + /*! \name Mutator Methods */ + //@{ + + /*! + * \brief Set the name of this cookie. + * + * \param name The name of this cookie. + */ + inline void + setName(const std::string& name) + { fName = name; } + + /*! + * \brief Set the value of this cookie. + * + * \param value The value of this cookie. + */ + inline void + setValue(const std::string& value) + { fValue = value; } + + /*! + * \brief Set the comment of this cookie. + * + * \param comment The comment of this cookie. + */ + inline void + setComment(const std::string& comment) + { fComment = comment; } + + /*! + * \brief Set the domain of this cookie. + * + * An empty string indicates the hostname of the server which + * generated the cookie response. If specified, the domain + * must start with a period('.'). + * \param domain The domain of this cookie. + */ + inline void + setDomain(const std::string& domain) + { fDomain = domain; } + + /*! + * \brief Set the lifetime of this cookie, in seconds. + * + * A value of \c 0 indicated the cookie expires immediately + * \param maxAge The lifetime of this cookie, in seconds. + */ + inline void + setMaxAge(unsigned long maxAge) + { fMaxAge = maxAge; } + + /*! + * \brief Set the path of this cookie. + * + * This is the subset of URLS in a domain for which the cookie is + * valid, for example \c / + * \param path The path of this cookie. + */ + inline void + setPath(const std::string& path) + { fPath = path; } + + /*! + * \brief Mark this cookie as secure or unsecure. + * + * \param secure Whether this is a secure cookie. + */ + inline void + setSecure(bool secure) + { fSecure = secure; } + //@} + + // ============================================================ + + /*! \name Inherited Methods */ + //@{ + virtual void + render(std::ostream& out) const; + //@} + + private: + std::string fName; + std::string fValue; + std::string fComment; + std::string fDomain; + unsigned long fMaxAge; + std::string fPath; + bool fSecure; + bool fRemoved; + }; + +} // namespace cgicc + +#endif /* ! _HTTPCOOKIE_H_ */ diff --git a/sdk/include/cgicc/HTTPHTMLHeader.cpp b/sdk/include/cgicc/HTTPHTMLHeader.cpp new file mode 100644 index 0000000..351aea6 --- /dev/null +++ b/sdk/include/cgicc/HTTPHTMLHeader.cpp @@ -0,0 +1,38 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPHTMLHeader.cpp,v 1.8 2014/04/23 20:55:07 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "HTTPHTMLHeader.h" + +// ============================================================ +// Class HTTPHTMLHeader +// ============================================================ +cgicc::HTTPHTMLHeader::HTTPHTMLHeader() + : HTTPContentHeader("text/html") +{} + +cgicc::HTTPHTMLHeader::~HTTPHTMLHeader() +{} diff --git a/sdk/include/cgicc/HTTPHTMLHeader.h b/sdk/include/cgicc/HTTPHTMLHeader.h new file mode 100644 index 0000000..4c62ed6 --- /dev/null +++ b/sdk/include/cgicc/HTTPHTMLHeader.h @@ -0,0 +1,70 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPHTMLHeader.h,v 1.8 2014/04/23 20:55:08 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTTPHTMLHEADER_H_ +#define _HTTPHTMLHEADER_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTTPHTMLHeader.h + * \brief Shortcut to HTTPContentHeader for \c text/html + * + */ + +#include "HTTPContentHeader.h" + +namespace cgicc { + + // ============================================================ + // Class HTTPHTMLHeader + // ============================================================ + /*! \class HTTPHTMLHeader HTTPHTMLHeader.h cgicc/HTTPHTMLHeader.h + * \brief Shortcut to HTTPContentHeader for \c text/html + * + */ + class CGICC_API HTTPHTMLHeader : public HTTPContentHeader + { + public: + + /*! \name Constructor and Destructor */ + //@{ + + /*! + * \brief Create a new \c text/html header + * + */ + HTTPHTMLHeader(); + + /*! + * \brief Destructor + * + */ + virtual ~HTTPHTMLHeader(); + //@} + }; + +} // namespace cgicc + +#endif /* ! _HTTPHTMLHEADER_H_ */ diff --git a/sdk/include/cgicc/HTTPHeader.cpp b/sdk/include/cgicc/HTTPHeader.cpp new file mode 100644 index 0000000..8b1e087 --- /dev/null +++ b/sdk/include/cgicc/HTTPHeader.cpp @@ -0,0 +1,51 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPHeader.cpp,v 1.8 2014/04/23 20:55:08 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "HTTPHeader.h" + +// ============================================================ +// Class HTTPHeader +// ============================================================ +cgicc::HTTPHeader::HTTPHeader() +{ + fCookies.reserve(5); +} + +cgicc::HTTPHeader::HTTPHeader(const std::string& data) + : fData(data) +{ + fCookies.reserve(5); +} + +cgicc::HTTPHeader::HTTPHeader(const HTTPHeader& header) + : MStreamable(), + fData(header.getData()), + fCookies(header.getCookies()) +{} + +cgicc::HTTPHeader::~HTTPHeader() +{} diff --git a/sdk/include/cgicc/HTTPHeader.h b/sdk/include/cgicc/HTTPHeader.h new file mode 100644 index 0000000..e887920 --- /dev/null +++ b/sdk/include/cgicc/HTTPHeader.h @@ -0,0 +1,138 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPHeader.h,v 1.10 2014/04/23 20:55:08 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTTPHEADER_H_ +#define _HTTPHEADER_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTTPHeader.h + * \brief Abstract base class for simple HTTP headers + * + */ + +#include +#include + +#include "MStreamable.h" +#include "HTTPCookie.h" + +namespace cgicc { + + // ============================================================ + // Class HTTPHeader + // ============================================================ + + /*! \class HTTPHeader HTTPHeader.h cgicc/HTTPHeader.h + * \brief Abstract base class for all simple HTTP response headers. + * + */ + class CGICC_API HTTPHeader : public MStreamable + { + public: + + /*! \name Constructors and Destructor */ + //@{ + + /*! + * \brief Constructor. + * \param data The header data. + */ + HTTPHeader(const std::string& data); + + /*! + * \brief Copy constructor. + * \param header The HTTPHeader to copy. + */ + HTTPHeader(const HTTPHeader& header); + + /*! + * \brief Destructor + * + */ + virtual ~HTTPHeader(); + //@} + + // ============================================================ + + /*! \name Cookie Management */ + //@{ + + /*! + * \brief Set a cookie to go out with this HTTPResponseHeader + * \param cookie The HTTPCookie to set + */ + inline HTTPHeader& + setCookie(const HTTPCookie& cookie) + { fCookies.push_back(cookie); return *this; } + + /*! + * \brief Get a list of all cookies associated with this header + * \return All the cookies associated with this header + */ + inline const std::vector& + getCookies() const + { return fCookies; } + //@} + + // ============================================================ + + /*! \name Accessor Method */ + //@{ + + /*! + * Get the data contained in this HTTP header. + * @return The data contained in this header. + */ + inline std::string + getData() const + { return fData; } + //@} + + // ============================================================ + + /*! \name Subclass Methods */ + //@{ + + /*! + * \brief Write this HTTPHeader to a stream. + * + * Subclasses must implement this function. + * \param out The ostream to which to write. + */ + virtual void + render(std::ostream& out) const = 0; + //@} + + private: + HTTPHeader(); + + std::string fData; + std::vector fCookies; + }; + +} // namespace cgicc + +#endif /* ! _HTTPHEADER_H_ */ diff --git a/sdk/include/cgicc/HTTPPlainHeader.cpp b/sdk/include/cgicc/HTTPPlainHeader.cpp new file mode 100644 index 0000000..b9afb6d --- /dev/null +++ b/sdk/include/cgicc/HTTPPlainHeader.cpp @@ -0,0 +1,38 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPPlainHeader.cpp,v 1.8 2014/04/23 20:55:08 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "HTTPPlainHeader.h" + +// ============================================================ +// Class HTTPPlainHeader +// ============================================================ +cgicc::HTTPPlainHeader::HTTPPlainHeader() + : HTTPContentHeader("text/plain") +{} + +cgicc::HTTPPlainHeader::~HTTPPlainHeader() +{} diff --git a/sdk/include/cgicc/HTTPPlainHeader.h b/sdk/include/cgicc/HTTPPlainHeader.h new file mode 100644 index 0000000..36fdaab --- /dev/null +++ b/sdk/include/cgicc/HTTPPlainHeader.h @@ -0,0 +1,59 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPPlainHeader.h,v 1.8 2014/04/23 20:55:08 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTTPPLAINHEADER_H_ +#define _HTTPPLAINHEADER_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTTPPlainHeader.h + * \brief Shortcut to HTTPContentHeader for \c text/plain + * + */ + +#include "HTTPContentHeader.h" + +namespace cgicc { + + // ============================================================ + // Class HTTPPlainHeader + // ============================================================ + /*! \class HTTPPlainHeader HTTPPlainHeader.h cgicc/HTTPPlainHeader.h + * \brief Shortcut to HTTPContentHeader for \c text/html + * + */ + class CGICC_API HTTPPlainHeader : public HTTPContentHeader + { + public: + /*! \brief Create a new \c text/plain header */ + HTTPPlainHeader(); + + /*! \brief Destructor */ + virtual ~HTTPPlainHeader(); + }; + +} // namespace cgicc + +#endif /* ! _HTTPPLAINHEADER_H_ */ diff --git a/sdk/include/cgicc/HTTPRedirectHeader.cpp b/sdk/include/cgicc/HTTPRedirectHeader.cpp new file mode 100644 index 0000000..8b4cb14 --- /dev/null +++ b/sdk/include/cgicc/HTTPRedirectHeader.cpp @@ -0,0 +1,63 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPRedirectHeader.cpp,v 1.10 2014/04/23 20:55:08 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "HTTPRedirectHeader.h" + +// ============================================================ +// Class HTTPRedirectHeader +// ============================================================ +cgicc::HTTPRedirectHeader::HTTPRedirectHeader(const std::string& url) + : HTTPHeader(url) , fStatus(-1) + {} + +cgicc::HTTPRedirectHeader::HTTPRedirectHeader(const std::string& url,bool permanent) + : HTTPHeader(url) +{ + fStatus = permanent ? 301 : 302; +} + +cgicc::HTTPRedirectHeader::~HTTPRedirectHeader() +{} + +void +cgicc::HTTPRedirectHeader::render(std::ostream& out) const +{ + if(fStatus == 301) + out << "Status: 301 Moved Permanently" << std::endl; + else if(fStatus == 302) + out << "Status: 302 Found" << std::endl; + out << "Location: " << getData() << std::endl; + + if(false == getCookies().empty()) { + std::vector::const_iterator iter; + + for(iter = getCookies().begin(); iter != getCookies().end(); ++iter) + out << *iter << std::endl; + } + + out << std::endl; +} diff --git a/sdk/include/cgicc/HTTPRedirectHeader.h b/sdk/include/cgicc/HTTPRedirectHeader.h new file mode 100644 index 0000000..b221356 --- /dev/null +++ b/sdk/include/cgicc/HTTPRedirectHeader.h @@ -0,0 +1,91 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPRedirectHeader.h,v 1.9 2014/04/23 20:55:08 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTTPREDIRECTHEADER_H_ +#define _HTTPREDIRECTHEADER_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTTPRedirectHeader.h + * \brief Class for redirecting the client to a different URI + * + */ + +#include + +#include "HTTPHeader.h" + +namespace cgicc { + + // ============================================================ + // Class HTTPRedirectHeader + // ============================================================ + + /*! \class HTTPRedirectHeader HTTPRedirectHeader.h cgicc/HTTPRedirectHeader.h + * \brief Class for redirecting the client to a different URI + * + */ + class CGICC_API HTTPRedirectHeader : public HTTPHeader + { + public: + + /*! \name Constructor and Destructor */ + //@{ + + /*! + * \brief Create a new redirection header. + * \param url The redirection URL. + */ + HTTPRedirectHeader(const std::string& url); + + /*! + * \brief Create a new redirection header with redirect status. + * \param url The redirection URL. + * \param permanent The status permanent or temporary + */ + HTTPRedirectHeader(const std::string& url,bool permanent); + /*! + * \brief Destructor + * + */ + virtual ~HTTPRedirectHeader(); + //@} + + // ============================================================ + + /*! \name Inherited Methods */ + //@{ + virtual void + render(std::ostream& out) const; + //@} + + private: + HTTPRedirectHeader(); + int fStatus; + }; + +} // namespace cgicc + +#endif /* ! _HTTPREDIRECTHEADER_H_ */ diff --git a/sdk/include/cgicc/HTTPResponseHeader.cpp b/sdk/include/cgicc/HTTPResponseHeader.cpp new file mode 100644 index 0000000..ea16c77 --- /dev/null +++ b/sdk/include/cgicc/HTTPResponseHeader.cpp @@ -0,0 +1,87 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPResponseHeader.cpp,v 1.9 2014/04/23 20:55:09 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "HTTPResponseHeader.h" + +// ============================================================ +// Class HTTPResponseHeader +// ============================================================ +cgicc::HTTPResponseHeader::HTTPResponseHeader(const std::string& version, + int status_code, + const std::string& reason) + : MStreamable(), + fHTTPVersion(version), + fStatusCode(status_code), + fReasonPhrase(reason) +{ + fHeaders.reserve(5); +} + +cgicc::HTTPResponseHeader::~HTTPResponseHeader() +{} + +cgicc::HTTPResponseHeader& +cgicc::HTTPResponseHeader::addHeader(const std::string& header) +{ + fHeaders.push_back(header); + return *this; +} + +cgicc::HTTPResponseHeader& +cgicc::HTTPResponseHeader::addHeader(const std::string& name, + const std::string& value) +{ + fHeaders.push_back(name + ": " + value); + return *this; +} + +cgicc::HTTPResponseHeader& +cgicc::HTTPResponseHeader::setCookie(const HTTPCookie& cookie) +{ + fCookies.push_back(cookie); + return *this; +} + +void +cgicc::HTTPResponseHeader::render(std::ostream& out) const +{ + std::vector::const_iterator iter; + std::vector::const_iterator cookie_iter; + + out << fHTTPVersion << ' ' << fStatusCode << ' ' << fReasonPhrase + << std::endl; + + for(iter = fHeaders.begin(); iter != fHeaders.end(); ++iter) + out << *iter << std::endl; + + for(cookie_iter = getCookies().begin(); + cookie_iter != getCookies().end(); + ++cookie_iter) + out << *cookie_iter << std::endl; + + out << std::endl; +} diff --git a/sdk/include/cgicc/HTTPResponseHeader.h b/sdk/include/cgicc/HTTPResponseHeader.h new file mode 100644 index 0000000..efd52b0 --- /dev/null +++ b/sdk/include/cgicc/HTTPResponseHeader.h @@ -0,0 +1,250 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPResponseHeader.h,v 1.10 2014/04/23 20:55:09 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTTPRESPONSEHEADER_H_ +#define _HTTPRESPONSEHEADER_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTTPResponseHeader.h + * \brief Class for generic, complete HTTP header responses + * + * This is an class usually only used with Non-Parsed Header (NPH) + * applications + */ + +#include +#include + +#include "MStreamable.h" +#include "HTTPCookie.h" + +namespace cgicc { + + // ============================================================ + // Class HTTPResponseHeader + // ============================================================ + /*! \class HTTPResponseHeader HTTPResponseHeader.h cgicc/HTTPResponseHeader.h + * \brief Generic HTTP response header + * + * This class represents an HTTP response header as defined in + * section 6 of RFC 2616 (see http://www.w3.org) + * + * All HTTP/1.1 reponses consist of an initial status line containing + * the HTTP version, a 3-digit status code, and a human-readable reason + * phrase explaining the status code. + * + * The first digit of the Status-Code defines the class of + * response. The last two digits do not have any categorization + * role. There are 5 values for the first digit: + *
    + *
  • 1xx: Informational - Request received, continuing process
    • + *
  • 2xx: Success - The action was successfully received, + understood, and accepted
    • + *
  • 3xx: Redirection - Further action must be taken in order to + * complete the request
    • + *
  • 4xx: Client Error - The request contains bad syntax or cannot + * be fulfilled
    • + *
  • 5xx: Server Error - The server failed to fulfill an apparently + * valid request
+ */ + class CGICC_API HTTPResponseHeader : public MStreamable + { + public: + + /*! \name Constructor and Destructor */ + //@{ + + /*! + * \brief Create a new HTTP response header + * \param http_version The HTTP version string, usually \c HTTP/1.1 + * \param status_code The 3-digit HTTP status code + * \param reason_phrase A short textual description of the status code + */ + HTTPResponseHeader(const std::string& http_version, + int status_code, + const std::string& reason_phrase); + + /*! + * \brief Delete this HTTPResponseHeader + * + */ + virtual ~HTTPResponseHeader(); + //@} + + // ============================================================ + + /*! \name Additional Header Management */ + //@{ + + /*! + * \brief Add a general, response, or entity header to this one + * + * \param header The text of the header to add + * \return A reference to this + */ + HTTPResponseHeader& + addHeader(const std::string& header); + + /*! + * \brief Add a general, response, or entity header to this one + * + * \param name The name of the header element to add + * \param value The value of the header element + * \return A reference to this + */ + HTTPResponseHeader& + addHeader(const std::string& name, + const std::string& value); + + /*! + * \brief Get a list of all additional headers + * + * \return A list of all additional headers + */ + inline const std::vector& + getHeaders() const + { return fHeaders; } + //@} + + /*! \name Cookie Management */ + //@{ + + /*! + * \brief Set a cookie to go out with this HTTPResponseHeader + * \param cookie The HTTPCookie to set + */ + HTTPResponseHeader& + setCookie(const HTTPCookie& cookie); + + /*! + * \brief Get a list of all cookies associated with this header + * \return All the cookies associated with this header + */ + inline const std::vector& + getCookies() const + { return fCookies; } + //@} + + // ============================================================ + + /*! \name Accessor methods + * Retrieve information on the header + */ + //@{ + + /*! + * \brief Get the HTTP version + * + * The HTTP version is a string of the form \c HTTP/1.1 + * \return The HTTP version + */ + inline const std::string& + getHTTPVersion() const + { return fHTTPVersion; } + + /*! + * \brief Get the 3-digit status code + * + * The 3-digit status code indicates the disposition of the response. + * \return The 3-digit status code + */ + inline int + getStatusCode() const + { return fStatusCode; } + + /*! + * \brief Get the reason phrase associated with the stats code + * + * The reason phrase is a human-readable interpretation of the status code + * \return The reason phrase + */ + inline std::string + getReasonPhrase() const + { return fReasonPhrase; } + //@} + + // ============================================================ + + /*! \name Mutator methods + * Set information on the header + */ + //@{ + + /*! + * \brief Set the HTTP version + * + * The HTTP version is a string of the form \c HTTP/1.1 + * \param http_version The HTTP version string, usually \c HTTP/1.1 + * \return A reference to this + */ + inline HTTPResponseHeader& + getHTTPVersion(const std::string& http_version) + { fHTTPVersion = http_version; return *this; } + + /*! + * \brief Get the 3-digit status code + * + * The 3-digit status code indicates the disposition of the response. + * \param status_code The 3-digit HTTP status code + * \return A reference to this + */ + inline HTTPResponseHeader& + getStatusCode(int status_code) + { fStatusCode = status_code; return *this; } + + /*! + * \brief Get the reason phrase associated with the stats code + * + * The reason phrase is a human-readable interpretation of the status code + * \param reason_phrase A short textual description of the status code + * \return A reference to this + */ + inline HTTPResponseHeader& + getReasonPhrase(const std::string& reason_phrase) + { fReasonPhrase = reason_phrase; return *this; } + //@} + + // ============================================================ + + /*! \name Inherited Methods */ + //@{ + virtual void + render(std::ostream& out) const; + //@} + + private: + HTTPResponseHeader(); + + std::string fHTTPVersion; + int fStatusCode; + std::string fReasonPhrase; + std::vector fHeaders; + std::vector fCookies; + }; + +} // namespace cgicc + +#endif /* ! _HTTPRESPONSEHEADER_H_ */ diff --git a/sdk/include/cgicc/HTTPStatusHeader.cpp b/sdk/include/cgicc/HTTPStatusHeader.cpp new file mode 100644 index 0000000..1961a47 --- /dev/null +++ b/sdk/include/cgicc/HTTPStatusHeader.cpp @@ -0,0 +1,58 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPStatusHeader.cpp,v 1.8 2014/04/23 20:55:09 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "HTTPStatusHeader.h" + +// ============================================================ +// Class HTTPStatusHeader +// ============================================================ +cgicc::HTTPStatusHeader::HTTPStatusHeader() + : HTTPHeader(""), + fStatus(-1) +{} + +cgicc::HTTPStatusHeader::HTTPStatusHeader(int status, + const std::string& message) + : HTTPHeader(message), + fStatus(status) +{} + +cgicc::HTTPStatusHeader::~HTTPStatusHeader() +{} + +void +cgicc::HTTPStatusHeader::render(std::ostream& out) const +{ + std::vector::const_iterator iter; + + out << "Status: " << getStatusCode() << ' ' << getData() << std::endl; + + for(iter = getCookies().begin(); iter != getCookies().end(); ++iter) + out << *iter << std::endl; + + out << std::endl; +} diff --git a/sdk/include/cgicc/HTTPStatusHeader.h b/sdk/include/cgicc/HTTPStatusHeader.h new file mode 100644 index 0000000..16f697f --- /dev/null +++ b/sdk/include/cgicc/HTTPStatusHeader.h @@ -0,0 +1,89 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPStatusHeader.h,v 1.8 2014/04/23 20:55:09 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _HTTPSTATUSHEADER_H_ +#define _HTTPSTATUSHEADER_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file HTTPStatusHeader.h + * \brief HTTP header to set a specific request status + * + */ + +#include + +#include "HTTPHeader.h" + +namespace cgicc { + + // ============================================================ + // Class HTTPStatusHeader + // ============================================================ + + /*! \class HTTPStatusHeader HTTPStatusHeader.h cgicc/HTTPStatusHeader.h + * \brief HTTP header to set a specific request status + * + */ + class CGICC_API HTTPStatusHeader : public HTTPHeader + { + public: + + /*! + * \brief Create a new status header. + * \param status The 3-digit status code, for example 404. + * \param message The message associated with the status code, for example + * "not found". + */ + HTTPStatusHeader(int status, + const std::string& message); + + /*! \brief Destructor */ + virtual ~HTTPStatusHeader(); + + /*! + * \brief Get the status code associated with this header. + * \return The 3-digit status code of this header. + */ + inline int + getStatusCode() const + { return fStatus; } + + + /*! + * \brief Write this HTTPStatusHeader to a stream. + * \param out The ostream to which to write. + */ + virtual void + render(std::ostream& out) const; + + private: + HTTPStatusHeader(); + int fStatus; + }; + +} // namespace cgicc + +#endif /* ! _HTTPSTATUSHEADER_H_ */ diff --git a/sdk/include/cgicc/HTTPXHTMLHeader.cpp b/sdk/include/cgicc/HTTPXHTMLHeader.cpp new file mode 100644 index 0000000..ef9aaf9 --- /dev/null +++ b/sdk/include/cgicc/HTTPXHTMLHeader.cpp @@ -0,0 +1,30 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPXHTMLHeader.cpp,v 1.1 2008/01/19 15:43:57 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 David Roberts + 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#include "HTTPXHTMLHeader.h" + + +cgicc::HTTPXHTMLHeader::HTTPXHTMLHeader() : HTTPContentHeader("application/xhtml+xml") {} + +cgicc::HTTPXHTMLHeader::~HTTPXHTMLHeader() {} diff --git a/sdk/include/cgicc/HTTPXHTMLHeader.h b/sdk/include/cgicc/HTTPXHTMLHeader.h new file mode 100644 index 0000000..6deb2c1 --- /dev/null +++ b/sdk/include/cgicc/HTTPXHTMLHeader.h @@ -0,0 +1,66 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: HTTPXHTMLHeader.h,v 1.2 2014/04/23 20:55:09 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 David Roberts + 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ +#ifndef HTTPXHTMLHEADER_H +#define HTTPXHTMLHEADER_H + + +#include "HTTPContentHeader.h" + +/*! \file HTTPXHTMLHeader.h + * \brief Class that abstracts a XHTML Content Header + * + * This class add the XHTML feature + */ + +namespace cgicc { +/*! \class HTTPXHTMLHeader HTTPXHTMLHeader.h cgicc/HTTPXHTMLHeader.h + * \brief Class that abstracts a XHTML Content Header + * + * This class add the XHTML feature + */ +class CGICC_API HTTPXHTMLHeader : public HTTPContentHeader { + public: + // ============================================================ + + /*! \name Constructor and Destructor */ + //@{ + + /*! + * \brief Constructor + * + * Create a new HTTPXHTMLHeader object + */ + HTTPXHTMLHeader(); + + /*! + * \brief Destructor + * + * Delete this HTTPXHTMLHeader object + */ + virtual ~HTTPXHTMLHeader(); + //@} +}; +}// namespace cgicc + +#endif diff --git a/sdk/include/cgicc/MStreamable.cpp b/sdk/include/cgicc/MStreamable.cpp new file mode 100644 index 0000000..126dbcc --- /dev/null +++ b/sdk/include/cgicc/MStreamable.cpp @@ -0,0 +1,39 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: MStreamable.cpp,v 1.10 2014/04/23 20:55:09 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifdef __GNUG__ +# pragma implementation +#endif + +#include "MStreamable.h" + +// ============================================================ +// Class MStreamable +// ============================================================ +std::ostream& +cgicc::operator<<(std::ostream& out, + const MStreamable& obj) +{ + obj.render(out); + return out; +} diff --git a/sdk/include/cgicc/MStreamable.h b/sdk/include/cgicc/MStreamable.h new file mode 100644 index 0000000..31b937b --- /dev/null +++ b/sdk/include/cgicc/MStreamable.h @@ -0,0 +1,100 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: MStreamable.h,v 1.14 2014/12/07 14:33:02 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#ifndef _MSTREAMABLE_H_ +#define _MSTREAMABLE_H_ 1 + +#ifdef __GNUG__ +# pragma interface +#endif + +/*! \file MStreamable.h + * \brief Abstract base class for all streamable objects. + * + * A streamable object is an object that can be written to an \c + * ostream using the \c << operator. + */ + +#include + +#include "CgiDefs.h" + +namespace cgicc { + + class MStreamable; + + /*! + * Prototype for overloading streaming operator + * \param out The ostream to which to write + * \param obj The MStreamable object to write + * \return A reference to \c out + */ + CGICC_API std::ostream& + operator<<(std::ostream& out, const MStreamable& obj); + + // ============================================================ + // Class MStreamable + // ============================================================ + + /*! \class MStreamable MStreamable.h cgicc/MStreamable.h + * \brief Mix-in streamable interface. + * + * Abstract mix-in class which makes classes streamable via + * the \c << operator. + * Written in the spirit of a Java interface. + */ + class CGICC_API MStreamable + { + + friend CGICC_API std::ostream& + operator<<(std::ostream& out, const MStreamable& obj); + + public: + /*! + * \brief Empty constructor + * + */ + inline MStreamable() + {} + + /*! + * \brief Empty destructor + * + */ + inline virtual ~MStreamable() + {} + + /*! + * \brief Write this object to a stream. + * + * Subclasses must implement this function. + * \param out The ostream to which to write. + */ + virtual void + render(std::ostream& out) const = 0; + }; + +} // namespace cgicc + +#endif /* ! _MSTREAMABLE_H_ */ + diff --git a/sdk/include/cgicc/Makefile.am b/sdk/include/cgicc/Makefile.am new file mode 100644 index 0000000..aeafd4e --- /dev/null +++ b/sdk/include/cgicc/Makefile.am @@ -0,0 +1,30 @@ +## $Id: Makefile.am,v 1.29 2014/04/23 20:55:10 sebdiaz Exp $ + +CLEANFILES = *~ + +ACLOCAL_AMFLAGS= + +AM_CPPFLAGS = -I$(top_srcdir) -I$(top_builddir) + +lib_LTLIBRARIES = libcgicc.la +libcgicc_la_SOURCES = CgiEnvironment.cpp CgiInput.cpp CgiUtils.cpp \ +Cgicc.cpp FormEntry.cpp FormFile.cpp HTMLAttribute.cpp \ +HTMLAttributeList.cpp HTMLDoctype.cpp HTMLElement.cpp \ +HTMLElementList.cpp HTTPContentHeader.cpp HTTPCookie.cpp \ +HTTPHTMLHeader.cpp HTTPHeader.cpp HTTPPlainHeader.cpp \ +HTTPRedirectHeader.cpp HTTPResponseHeader.cpp HTTPStatusHeader.cpp \ +MStreamable.cpp \ +HTTPXHTMLHeader.cpp XHTMLDoctype.cpp XMLPI.cpp + +libcgicc_la_LDFLAGS = -lstdc++ -version-info 5:10:2 + +pkginclude_HEADERS = CgiDefs.h CgiEnvironment.h CgiInput.h CgiUtils.h \ +Cgicc.h FormEntry.h FormFile.h HTMLAtomicElement.h HTMLAttribute.h \ +HTMLAttributeList.h HTMLBooleanElement.h HTMLClasses.h HTMLDoctype.h \ +HTMLElement.h HTMLElementList.h HTTPContentHeader.h HTTPCookie.h \ +HTTPHTMLHeader.h HTTPHeader.h HTTPPlainHeader.h HTTPRedirectHeader.h \ +HTTPResponseHeader.h HTTPStatusHeader.h MStreamable.h \ +HTTPXHTMLHeader.h XHTMLDoctype.h XMLDeclaration.h XMLPI.h + +libcgicc_la_CPPFLAGS = -x c++ +libcgicc_la_LIBADD = diff --git a/sdk/include/cgicc/Makefile.in b/sdk/include/cgicc/Makefile.in new file mode 100644 index 0000000..b8b9d9c --- /dev/null +++ b/sdk/include/cgicc/Makefile.in @@ -0,0 +1,915 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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install-pkgincludeHEADERS install-ps install-ps-am \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \ + uninstall-libLTLIBRARIES uninstall-pkgincludeHEADERS + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/sdk/include/cgicc/XHTMLDoctype.cpp b/sdk/include/cgicc/XHTMLDoctype.cpp new file mode 100644 index 0000000..380147b --- /dev/null +++ b/sdk/include/cgicc/XHTMLDoctype.cpp @@ -0,0 +1,53 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: XHTMLDoctype.cpp,v 1.2 2014/12/07 14:33:03 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 David Roberts + 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ +#include "XHTMLDoctype.h" + + +cgicc::XHTMLDoctype::XHTMLDoctype(EDocumentType type) : fType(type) {} + +cgicc::XHTMLDoctype::~XHTMLDoctype() {} + +void cgicc::XHTMLDoctype::render(std::ostream &out) const { + out << ""; +} + diff --git a/sdk/include/cgicc/XHTMLDoctype.h b/sdk/include/cgicc/XHTMLDoctype.h new file mode 100644 index 0000000..cb0aa5f --- /dev/null +++ b/sdk/include/cgicc/XHTMLDoctype.h @@ -0,0 +1,83 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: XHTMLDoctype.h,v 1.4 2017/06/22 20:26:35 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 David Roberts + 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ +#ifndef XXHTMLDoctype_H +#define XXHTMLDoctype_H + +/*! \file XHTMLDoctype.h + * \brief Class that abstracts a XHTML Doc Type + * + * This class add the XHTML Doc feature + */ + +#include + +#include "MStreamable.h" + +namespace cgicc { + +/*! \class XHTMLDoctype XHTMLDoctype.h cgicc/XHTMLDoctype.h + * \brief Class that abstracts a XHTML Doc Type + * + * This class add the XHTML Doc Type feature + */ +class CGICC_API XHTMLDoctype : public MStreamable { + public: + enum EDocumentType { + eStrict, + eTransitional, + eFrames, + eHTML5 // 11.30.14 t.o. + }; + // ============================================================ + + /*! \name Constructor and Destructor */ + //@{ + + /*! + * \brief Constructor + * + * Create a new XHTMLDoctype.h object + * \param input The Document Type + */ + XHTMLDoctype(EDocumentType type = eStrict); + /*! + * \brief Destructor + * + * Delete this XHTMLDoctype.h object + */ + virtual ~XHTMLDoctype(); + + //@} + + virtual void render(std::ostream& out) const; + + private: + EDocumentType fType; +}; +}// namespace cgicc + +/// XHMTL namespace attribute for html tag - usage: html().xmlnsXHTML() +#define xmlnsXHTML() set("xmlns", "http://www.w3.org/1999/xhtml") + +#endif diff --git a/sdk/include/cgicc/XMLDeclaration.h b/sdk/include/cgicc/XMLDeclaration.h new file mode 100644 index 0000000..0a8dd59 --- /dev/null +++ b/sdk/include/cgicc/XMLDeclaration.h @@ -0,0 +1,67 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: XMLDeclaration.h,v 1.2 2014/12/07 14:33:03 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 David Roberts + 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ +#ifndef XMLDECLARATION_H +#define XMLDECLARATION_H +/*! \file XMLDeclaration.h + * \brief Class that abstracts a XML Declaration + * + * This class add the XML Declaration feature + */ + +#include "XMLPI.h" + +#include + +namespace cgicc{ +/*! \class XMLDeclaration XMLDeclaration.h cgicc/XMLDeclaration.h + * \brief Class that abstracts a XMLDeclaration + * + * This class add the XMLDeclaration feature + */ +class XMLDeclaration : public XMLPI { + public: + // ============================================================ + + /*! \name Constructor and Destructor */ + //@{ + + /*! + * \brief Constructor + * + * Create a new XMLDeclaration.h object + * \param input The Xml version (generally 1.0 or 1.1) + */ + XMLDeclaration(std::string version = "1.0") : XMLPI("xml") { set("version", version); } + /*! + * \brief Destructor + * + * Delete this XMLDeclaration object + */ + virtual ~XMLDeclaration(){}; + //@} +}; +}// namespace cgicc + +#endif + diff --git a/sdk/include/cgicc/XMLPI.cpp b/sdk/include/cgicc/XMLPI.cpp new file mode 100644 index 0000000..cdefbfe --- /dev/null +++ b/sdk/include/cgicc/XMLPI.cpp @@ -0,0 +1,64 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: XMLPI.cpp,v 1.1 2008/01/19 15:43:57 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 David Roberts + 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ +#include "XMLPI.h" + + +cgicc::XMLPI::XMLPI(std::string name) : MStreamable(), fAttributes(0), fName(name) {} + +cgicc::XMLPI::~XMLPI() { + delete fAttributes; +} + +cgicc::XMLPI& cgicc::XMLPI::operator= (const XMLPI& element) { + delete fAttributes; + fAttributes = element.fAttributes; + if(fAttributes != 0) fAttributes = new HTMLAttributeList(*fAttributes); + return *this; +} + +void cgicc::XMLPI::setAttributes(const HTMLAttributeList& attributes) { + delete fAttributes; + fAttributes = new HTMLAttributeList(attributes); +} + +cgicc::XMLPI& cgicc::XMLPI::set(const std::string& name) { + if(fAttributes == 0) fAttributes = new HTMLAttributeList(); + fAttributes->set(name); + return *this; +} + +cgicc::XMLPI& cgicc::XMLPI::set(const std::string& name, const std::string& value) { + if(fAttributes == 0) fAttributes = new HTMLAttributeList(); + fAttributes->set(name, value); + return *this; +} + +void cgicc::XMLPI::render(std::ostream& out) const { + out << "render(out); + } + out << "?>"; +} diff --git a/sdk/include/cgicc/XMLPI.h b/sdk/include/cgicc/XMLPI.h new file mode 100644 index 0000000..c06c786 --- /dev/null +++ b/sdk/include/cgicc/XMLPI.h @@ -0,0 +1,82 @@ +/* -*-mode:c++; c-file-style: "gnu";-*- */ +/* + * $Id: XMLPI.h,v 1.2 2014/04/23 20:55:10 sebdiaz Exp $ + * + * Copyright (C) 1996 - 2004 Stephen F. Booth + * 2007 David Roberts + 2007 Sebastien DIAZ + * Part of the GNU cgicc library, http://www.gnu.org/software/cgicc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ +#ifndef XMLPI_H +#define XMLPI_H +/*! \file XMLPI.h + * \brief Class that abstracts a XMLPI + * + * This class add the XML Declaration feature + */ + +#include + +#include "CgiDefs.h" +#include "MStreamable.h" +#include "HTMLAttributeList.h" + +namespace cgicc { +/*! \class XMLPI XMLPI.h cgicc/XMLPI.h + * \brief Class that abstracts a XMLPI + * + * This class add the XMLPI feature + */ +class XMLPI : public MStreamable { + public: + // ============================================================ + + /*! \name Constructor and Destructor */ + //@{ + + /*! + * \brief Constructor + * + * Create a new XMLPI.h object + * \param input The name of the XMLPI + */ + XMLPI(std::string name); + + /*! + * \brief Destructor + * + * Delete this XMLPI object + */ + virtual ~XMLPI(); + //@} + + + XMLPI& operator= (const XMLPI& element); + inline std::string getName() const { return fName; } + inline const HTMLAttributeList* getAttributes() const { return fAttributes; } + void setAttributes(const HTMLAttributeList& attributes); + XMLPI& set(const std::string& name); + XMLPI& set(const std::string& name, const std::string& value); + virtual void render(std::ostream& out) const; + + private: + HTMLAttributeList* fAttributes; + std::string fName; +}; +}// namespace cgicc + +#endif diff --git a/sdk/include/cgicc/config.h.in b/sdk/include/cgicc/config.h.in new file mode 100644 index 0000000..6870cc2 --- /dev/null +++ b/sdk/include/cgicc/config.h.in @@ -0,0 +1,118 @@ +/* cgicc/config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if you have the header file. */ +#undef HAVE_ARPA_INET_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_DLFCN_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_FCNTL_H + +/* Define to 1 if you have the `gethostbyaddr' function. */ +#undef HAVE_GETHOSTBYADDR + +/* Define to 1 if you have the `gethostbyname' function. */ +#undef HAVE_GETHOSTBYNAME + +/* Define to 1 if you have the `gettimeofday' function. */ +#undef HAVE_GETTIMEOFDAY + +/* Define to 1 if you have the `inet_ntoa' function. */ +#undef HAVE_INET_NTOA + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* define if the compiler implements namespaces */ +#undef HAVE_NAMESPACES + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETDB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NETINET_IN_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* define if the compiler supports Standard Template Library */ +#undef HAVE_STL + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_SOCKET_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TIME_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_UTSNAME_H + +/* Define to 1 if you have the `uname' function. */ +#undef HAVE_UNAME + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if the system has the type `_Bool'. */ +#undef HAVE__BOOL + +/* The host system cgicc was configured for */ +#undef HOST + +/* Define to the sub-directory where libtool stores uninstalled libraries. */ +#undef LT_OBJDIR + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Version number of package */ +#undef VERSION + +/* Define to `__inline__' or `__inline' if that's what the C compiler + calls it, or to nothing if 'inline' is not supported under any name. */ +#ifndef __cplusplus +#undef inline +#endif + +/* Define to `unsigned int' if does not define. */ +#undef size_t diff --git a/sdk/include/hv/Buffer.h b/sdk/include/hv/Buffer.h new file mode 100644 index 0000000..1f6644f --- /dev/null +++ b/sdk/include/hv/Buffer.h @@ -0,0 +1,15 @@ +#ifndef HV_BUFFER_HPP_ +#define HV_BUFFER_HPP_ + +#include + +#include "hbuf.h" + +namespace hv { + +typedef HBuf Buffer; +typedef std::shared_ptr BufferPtr; + +} + +#endif // HV_BUFFER_HPP_ diff --git a/sdk/include/hv/Channel.h b/sdk/include/hv/Channel.h new file mode 100644 index 0000000..1e87f47 --- /dev/null +++ b/sdk/include/hv/Channel.h @@ -0,0 +1,336 @@ +#ifndef HV_CHANNEL_HPP_ +#define HV_CHANNEL_HPP_ + +#include +#include +#include + +#include "hloop.h" +#include "hsocket.h" + +#include "Buffer.h" + +namespace hv { + +class Channel { +public: + Channel(hio_t* io = NULL) { + io_ = io; + fd_ = -1; + id_ = 0; + ctx_ = NULL; + status = CLOSED; + if (io) { + fd_ = hio_fd(io); + id_ = hio_id(io); + ctx_ = hio_context(io); + hio_set_context(io, this); + if (hio_is_opened(io)) { + status = OPENED; + } + if (hio_getcb_read(io) == NULL) { + hio_setcb_read(io_, on_read); + } + if (hio_getcb_write(io) == NULL) { + hio_setcb_write(io_, on_write); + } + if (hio_getcb_close(io) == NULL) { + hio_setcb_close(io_, on_close); + } + } + } + + virtual ~Channel() { + close(); + } + + hio_t* io() { return io_; } + int fd() { return fd_; } + uint32_t id() { return id_; } + int error() { return hio_error(io_); } + + // context + void* context() { + return ctx_; + } + void setContext(void* ctx) { + ctx_ = ctx; + } + template + T* newContext() { + ctx_ = new T; + return (T*)ctx_; + } + template + T* getContext() { + return (T*)ctx_; + } + template + void deleteContext() { + if (ctx_) { + delete (T*)ctx_; + ctx_ = NULL; + } + } + + bool isOpened() { + if (io_ == NULL || status >= DISCONNECTED) return false; + return id_ == hio_id(io_) && hio_is_opened(io_); + } + bool isClosed() { + return !isOpened(); + } + + int startRead() { + if (!isOpened()) return -1; + return hio_read_start(io_); + } + + int stopRead() { + if (!isOpened()) return -1; + return hio_read_stop(io_); + } + + int readOnce() { + if (!isOpened()) return -1; + return hio_read_once(io_); + } + + int readString() { + if (!isOpened()) return -1; + return hio_readstring(io_); + } + + int readLine() { + if (!isOpened()) return -1; + return hio_readline(io_); + } + + int readBytes(int len) { + if (!isOpened() || len <= 0) return -1; + return hio_readbytes(io_, len); + } + + // write thread-safe + int write(const void* data, int size) { + if (!isOpened()) return -1; + return hio_write(io_, data, size); + } + + int write(Buffer* buf) { + return write(buf->data(), buf->size()); + } + + int write(const std::string& str) { + return write(str.data(), str.size()); + } + + // iobuf setting + void setMaxReadBufsize(uint32_t size) { + if (io_ == NULL) return; + return hio_set_max_read_bufsize(io_, size); + } + void setMaxWriteBufsize(uint32_t size) { + if (io_ == NULL) return; + return hio_set_max_write_bufsize(io_, size); + } + size_t writeBufsize() { + if (io_ == NULL) return 0; + return hio_write_bufsize(io_); + } + bool isWriteComplete() { + return writeBufsize() == 0; + } + + // close thread-safe + int close(bool async = false) { + if (!isOpened()) return -1; + if (async) { + return hio_close_async(io_); + } + return hio_close(io_); + } + +public: + hio_t* io_; + int fd_; + uint32_t id_; + void* ctx_; + enum Status { + OPENED, + CONNECTING, + CONNECTED, + DISCONNECTED, + CLOSED, + } status; + std::function onread; + // NOTE: Use Channel::isWriteComplete in onwrite callback to determine whether all data has been written. + std::function onwrite; + std::function onclose; + +private: + static void on_read(hio_t* io, void* data, int readbytes) { + Channel* channel = (Channel*)hio_context(io); + if (channel && channel->onread) { + Buffer buf(data, readbytes); + channel->onread(&buf); + } + } + + static void on_write(hio_t* io, const void* data, int writebytes) { + Channel* channel = (Channel*)hio_context(io); + if (channel && channel->onwrite) { + Buffer buf((void*)data, writebytes); + channel->onwrite(&buf); + } + } + + static void on_close(hio_t* io) { + Channel* channel = (Channel*)hio_context(io); + if (channel) { + channel->status = CLOSED; + if (channel->onclose) { + channel->onclose(); + } + } + } +}; + +class SocketChannel : public Channel { +public: + std::function onconnect; // only for TcpClient + std::function heartbeat; + + SocketChannel(hio_t* io) : Channel(io) { + } + virtual ~SocketChannel() {} + + // SSL/TLS + int enableSSL() { + if (io_ == NULL) return -1; + return hio_enable_ssl(io_); + } + bool isSSL() { + if (io_ == NULL) return false; + return hio_is_ssl(io_); + } + int setSSL(hssl_t ssl) { + if (io_ == NULL) return -1; + return hio_set_ssl(io_, ssl); + } + int setSslCtx(hssl_ctx_t ssl_ctx) { + if (io_ == NULL) return -1; + return hio_set_ssl_ctx(io_, ssl_ctx); + } + int newSslCtx(hssl_ctx_opt_t* opt) { + if (io_ == NULL) return -1; + return hio_new_ssl_ctx(io_, opt); + } + // for hssl_set_sni_hostname + int setHostname(const std::string& hostname) { + if (io_ == NULL) return -1; + return hio_set_hostname(io_, hostname.c_str()); + } + + // timeout + void setConnectTimeout(int timeout_ms) { + if (io_ == NULL) return; + hio_set_connect_timeout(io_, timeout_ms); + } + void setCloseTimeout(int timeout_ms) { + if (io_ == NULL) return; + hio_set_close_timeout(io_, timeout_ms); + } + void setReadTimeout(int timeout_ms) { + if (io_ == NULL) return; + hio_set_read_timeout(io_, timeout_ms); + } + void setWriteTimeout(int timeout_ms) { + if (io_ == NULL) return; + hio_set_write_timeout(io_, timeout_ms); + } + void setKeepaliveTimeout(int timeout_ms) { + if (io_ == NULL) return; + hio_set_keepalive_timeout(io_, timeout_ms); + } + + // heartbeat + void setHeartbeat(int interval_ms, std::function fn) { + if (io_ == NULL) return; + heartbeat = std::move(fn); + hio_set_heartbeat(io_, interval_ms, send_heartbeat); + } + + // unpack + void setUnpack(unpack_setting_t* setting) { + if (io_ == NULL) return; + hio_set_unpack(io_, setting); + } + + int startConnect(int port, const char* host = "127.0.0.1") { + sockaddr_u peeraddr; + memset(&peeraddr, 0, sizeof(peeraddr)); + int ret = sockaddr_set_ipport(&peeraddr, host, port); + if (ret != 0) { + // hloge("unknown host %s", host); + return ret; + } + return startConnect(&peeraddr.sa); + } + + int startConnect(struct sockaddr* peeraddr) { + if (io_ == NULL) return -1; + hio_set_peeraddr(io_, peeraddr, SOCKADDR_LEN(peeraddr)); + return startConnect(); + } + + int startConnect() { + if (io_ == NULL) return -1; + status = CONNECTING; + hio_setcb_connect(io_, on_connect); + return hio_connect(io_); + } + + bool isConnected() { + return status == CONNECTED && isOpened(); + } + + std::string localaddr() { + if (io_ == NULL) return ""; + struct sockaddr* addr = hio_localaddr(io_); + char buf[SOCKADDR_STRLEN] = {0}; + return SOCKADDR_STR(addr, buf); + } + + std::string peeraddr() { + if (io_ == NULL) return ""; + struct sockaddr* addr = hio_peeraddr(io_); + char buf[SOCKADDR_STRLEN] = {0}; + return SOCKADDR_STR(addr, buf); + } + +private: + static void on_connect(hio_t* io) { + SocketChannel* channel = (SocketChannel*)hio_context(io); + if (channel) { + channel->status = CONNECTED; + if (channel->onconnect) { + channel->onconnect(); + } + } + } + + static void send_heartbeat(hio_t* io) { + SocketChannel* channel = (SocketChannel*)hio_context(io); + if (channel && channel->heartbeat) { + channel->heartbeat(); + } + } +}; + +typedef std::shared_ptr ChannelPtr; +typedef std::shared_ptr SocketChannelPtr; + +} + +#endif // HV_CHANNEL_HPP_ diff --git a/sdk/include/hv/Event.h b/sdk/include/hv/Event.h new file mode 100644 index 0000000..19cacf4 --- /dev/null +++ b/sdk/include/hv/Event.h @@ -0,0 +1,47 @@ +#ifndef HV_EVENT_HPP_ +#define HV_EVENT_HPP_ + +#include +#include + +#include "hloop.h" + +namespace hv { + +struct Event; +struct Timer; + +typedef uint64_t TimerID; +#define INVALID_TIMER_ID ((TimerID)-1) + +typedef std::function EventCallback; +typedef std::function TimerCallback; + +struct Event { + hevent_t event; + EventCallback cb; + + Event(EventCallback cb = NULL) { + memset(&event, 0, sizeof(hevent_t)); + this->cb = std::move(cb); + } +}; + +struct Timer { + htimer_t* timer; + TimerCallback cb; + uint32_t repeat; + + Timer(htimer_t* timer = NULL, TimerCallback cb = NULL, uint32_t repeat = INFINITE) { + this->timer = timer; + this->cb = std::move(cb); + this->repeat = repeat; + } +}; + +typedef std::shared_ptr EventPtr; +typedef std::shared_ptr TimerPtr; + +} + +#endif // HV_EVENT_HPP_ diff --git a/sdk/include/hv/EventLoop.h b/sdk/include/hv/EventLoop.h new file mode 100644 index 0000000..cc3a95b --- /dev/null +++ b/sdk/include/hv/EventLoop.h @@ -0,0 +1,263 @@ +#ifndef HV_EVENT_LOOP_HPP_ +#define HV_EVENT_LOOP_HPP_ + +#include +#include +#include +#include + +#include "hloop.h" +#include "hthread.h" + +#include "Status.h" +#include "Event.h" +#include "ThreadLocalStorage.h" + +namespace hv { + +class EventLoop : public Status { +public: + + typedef std::function Functor; + + // New an EventLoop using an existing hloop_t object, + // so we can embed an EventLoop object into the old application based on hloop. + // NOTE: Be careful to deal with destroy of hloop_t. + EventLoop(hloop_t* loop = NULL) { + setStatus(kInitializing); + if (loop) { + loop_ = loop; + is_loop_owner = false; + } else { + loop_ = hloop_new(HLOOP_FLAG_AUTO_FREE); + is_loop_owner = true; + } + connectionNum = 0; + setStatus(kInitialized); + } + + ~EventLoop() { + stop(); + } + + hloop_t* loop() { + return loop_; + } + + // @brief Run loop forever + void run() { + if (loop_ == NULL) return; + if (status() == kRunning) return; + ThreadLocalStorage::set(ThreadLocalStorage::EVENT_LOOP, this); + setStatus(kRunning); + hloop_run(loop_); + setStatus(kStopped); + } + + // stop thread-safe + void stop() { + if (loop_ == NULL) return; + if (status() < kRunning) { + if (is_loop_owner) { + hloop_free(&loop_); + } + loop_ = NULL; + return; + } + setStatus(kStopping); + hloop_stop(loop_); + loop_ = NULL; + } + + void pause() { + if (loop_ == NULL) return; + if (isRunning()) { + hloop_pause(loop_); + setStatus(kPause); + } + } + + void resume() { + if (loop_ == NULL) return; + if (isPause()) { + hloop_resume(loop_); + setStatus(kRunning); + } + } + + // Timer interfaces: setTimer, killTimer, resetTimer + TimerID setTimer(int timeout_ms, TimerCallback cb, uint32_t repeat = INFINITE, TimerID timerID = INVALID_TIMER_ID) { + if (loop_ == NULL) return INVALID_TIMER_ID; + htimer_t* htimer = htimer_add(loop_, onTimer, timeout_ms, repeat); + if (timerID == INVALID_TIMER_ID) { + timerID = hevent_id(htimer); + } else { + hevent_set_id(htimer, timerID); + } + + TimerPtr timer = std::make_shared(htimer, cb, repeat); + hevent_set_userdata(htimer, this); + + mutex_.lock(); + timers[timerID] = std::move(timer); + mutex_.unlock(); + return timerID; + } + + // alias javascript setTimeout, setInterval + TimerID setTimeout(int timeout_ms, TimerCallback cb) { + return setTimer(timeout_ms, cb, 1); + } + TimerID setInterval(int interval_ms, TimerCallback cb) { + return setTimer(interval_ms, cb, INFINITE); + } + + void killTimer(TimerID timerID) { + std::lock_guard locker(mutex_); + auto iter = timers.find(timerID); + if (iter != timers.end()) { + htimer_del(iter->second->timer); + timers.erase(iter); + } + } + + void resetTimer(TimerID timerID) { + std::lock_guard locker(mutex_); + auto iter = timers.find(timerID); + if (iter != timers.end()) { + htimer_reset(iter->second->timer); + if (iter->second->repeat == 0) { + iter->second->repeat = 1; + } + } + } + + long tid() { + if (loop_ == NULL) return hv_gettid(); + return hloop_tid(loop_); + } + + bool isInLoopThread() { + if (loop_ == NULL) return false; + return hv_gettid() == hloop_tid(loop_); + } + + void assertInLoopThread() { + assert(isInLoopThread()); + } + + void runInLoop(Functor fn) { + if (isRunning() && isInLoopThread()) { + if (fn) fn(); + } else { + queueInLoop(std::move(fn)); + } + } + + void queueInLoop(Functor fn) { + postEvent([fn](Event* ev) { + if (fn) fn(); + }); + } + + void postEvent(EventCallback cb) { + if (loop_ == NULL) return; + + EventPtr ev(new Event(cb)); + hevent_set_userdata(&ev->event, this); + ev->event.cb = onCustomEvent; + + mutex_.lock(); + customEvents.push(ev); + mutex_.unlock(); + + hloop_post_event(loop_, &ev->event); + } + +private: + static void onTimer(htimer_t* htimer) { + EventLoop* loop = (EventLoop*)hevent_userdata(htimer); + + TimerID timerID = hevent_id(htimer); + TimerPtr timer = NULL; + + loop->mutex_.lock(); + auto iter = loop->timers.find(timerID); + if (iter != loop->timers.end()) { + timer = iter->second; + if (timer->repeat != INFINITE) --timer->repeat; + } + loop->mutex_.unlock(); + + if (timer) { + if (timer->cb) timer->cb(timerID); + if (timer->repeat == 0) { + // htimer_t alloc and free by hloop, but timers[timerID] managed by EventLoop. + loop->mutex_.lock(); + loop->timers.erase(timerID); + loop->mutex_.unlock(); + } + } + } + + static void onCustomEvent(hevent_t* hev) { + EventLoop* loop = (EventLoop*)hevent_userdata(hev); + + loop->mutex_.lock(); + EventPtr ev = loop->customEvents.front(); + loop->customEvents.pop(); + loop->mutex_.unlock(); + + if (ev && ev->cb) ev->cb(ev.get()); + } + +public: + std::atomic connectionNum; // for LB_LeastConnections +private: + hloop_t* loop_; + bool is_loop_owner; + std::mutex mutex_; + std::queue customEvents; // GUAREDE_BY(mutex_) + std::map timers; // GUAREDE_BY(mutex_) +}; + +typedef std::shared_ptr EventLoopPtr; + +// ThreadLocalStorage +static inline EventLoop* tlsEventLoop() { + return (EventLoop*)ThreadLocalStorage::get(ThreadLocalStorage::EVENT_LOOP); +} +#define currentThreadEventLoop tlsEventLoop() + +static inline TimerID setTimer(int timeout_ms, TimerCallback cb, uint32_t repeat = INFINITE) { + EventLoop* loop = tlsEventLoop(); + assert(loop != NULL); + if (loop == NULL) return INVALID_TIMER_ID; + return loop->setTimer(timeout_ms, cb, repeat); +} + +static inline void killTimer(TimerID timerID) { + EventLoop* loop = tlsEventLoop(); + assert(loop != NULL); + if (loop == NULL) return; + loop->killTimer(timerID); +} + +static inline void resetTimer(TimerID timerID) { + EventLoop* loop = tlsEventLoop(); + assert(loop != NULL); + if (loop == NULL) return; + loop->resetTimer(timerID); +} + +static inline TimerID setTimeout(int timeout_ms, TimerCallback cb) { + return setTimer(timeout_ms, cb, 1); +} + +static inline TimerID setInterval(int interval_ms, TimerCallback cb) { + return setTimer(interval_ms, cb, INFINITE); +} + +} + +#endif // HV_EVENT_LOOP_HPP_ diff --git a/sdk/include/hv/EventLoopThread.h b/sdk/include/hv/EventLoopThread.h new file mode 100644 index 0000000..80ac2e9 --- /dev/null +++ b/sdk/include/hv/EventLoopThread.h @@ -0,0 +1,121 @@ +#ifndef HV_EVENT_LOOP_THREAD_HPP_ +#define HV_EVENT_LOOP_THREAD_HPP_ + +#include + +#include "hlog.h" + +#include "EventLoop.h" + +namespace hv { + +class EventLoopThread : public Status { +public: + // Return 0 means OK, other failed. + typedef std::function Functor; + + EventLoopThread(EventLoopPtr loop = NULL) { + setStatus(kInitializing); + if (loop) { + loop_ = loop; + } else { + loop_.reset(new EventLoop); + } + setStatus(kInitialized); + } + + ~EventLoopThread() { + stop(); + join(); + } + + const EventLoopPtr& loop() { + return loop_; + } + + hloop_t* hloop() { + return loop_->loop(); + } + + bool isRunning() { + return loop_->isRunning(); + } + + // @param wait_thread_started: if ture this method will block until loop_thread started. + // @param pre: This functor will be executed when loop_thread started. + // @param post:This Functor will be executed when loop_thread stopped. + void start(bool wait_thread_started = true, + Functor pre = Functor(), + Functor post = Functor()) { + if (status() >= kStarting && status() < kStopped) return; + setStatus(kStarting); + + thread_.reset(new std::thread(&EventLoopThread::loop_thread, this, pre, post)); + + if (wait_thread_started) { + while (loop_->status() < kRunning) { + hv_delay(1); + } + } + } + + // @param wait_thread_started: if ture this method will block until loop_thread stopped. + // stop thread-safe + void stop(bool wait_thread_stopped = false) { + if (status() < kStarting || status() >= kStopping) return; + setStatus(kStopping); + + long loop_tid = loop_->tid(); + loop_->stop(); + + if (wait_thread_stopped) { + if (hv_gettid() == loop_tid) return; + while (!isStopped()) { + hv_delay(1); + } + } + } + + // @brief join loop_thread + // @note destructor will join loop_thread if you forget to call this method. + void join() { + if (thread_ && thread_->joinable()) { + thread_->join(); + thread_ = NULL; + } + } + +private: + void loop_thread(const Functor& pre, const Functor& post) { + hlogi("EventLoopThread started, tid=%ld", hv_gettid()); + setStatus(kStarted); + + if (pre) { + loop_->queueInLoop([this, pre]{ + if (pre() != 0) { + loop_->stop(); + } + }); + } + + loop_->run(); + assert(loop_->isStopped()); + + if (post) { + post(); + } + + setStatus(kStopped); + hlogi("EventLoopThread stopped, tid=%ld", hv_gettid()); + } + +private: + EventLoopPtr loop_; + std::shared_ptr thread_; +}; + +typedef std::shared_ptr EventLoopThreadPtr; + +} + +#endif // HV_EVENT_LOOP_THREAD_HPP_ diff --git a/sdk/include/hv/EventLoopThreadPool.h b/sdk/include/hv/EventLoopThreadPool.h new file mode 100644 index 0000000..c07d6b1 --- /dev/null +++ b/sdk/include/hv/EventLoopThreadPool.h @@ -0,0 +1,140 @@ +#ifndef HV_EVENT_LOOP_THREAD_POOL_HPP_ +#define HV_EVENT_LOOP_THREAD_POOL_HPP_ + +#include "EventLoopThread.h" +#include "hbase.h" + +namespace hv { + +class EventLoopThreadPool : public Status { +public: + EventLoopThreadPool(int thread_num = std::thread::hardware_concurrency()) { + setStatus(kInitializing); + thread_num_ = thread_num; + next_loop_idx_ = 0; + setStatus(kInitialized); + } + + ~EventLoopThreadPool() { + stop(); + join(); + } + + int threadNum() { + return thread_num_; + } + + void setThreadNum(int num) { + thread_num_ = num; + } + + EventLoopPtr nextLoop(load_balance_e lb = LB_RoundRobin) { + int numLoops = loop_threads_.size(); + if (numLoops == 0) return NULL; + int idx = 0; + if (lb == LB_RoundRobin) { + if (++next_loop_idx_ >= numLoops) next_loop_idx_ = 0; + idx = next_loop_idx_; + } else if (lb == LB_Random) { + idx = hv_rand(0, numLoops - 1); + } else if (lb == LB_LeastConnections) { + for (int i = 1; i < numLoops; ++i) { + if (loop_threads_[i]->loop()->connectionNum < loop_threads_[idx]->loop()->connectionNum) { + idx = i; + } + } + } else { + // Not Implemented + } + return loop_threads_[idx]->loop(); + } + + EventLoopPtr loop(int idx = -1) { + if (idx >= 0 && idx < loop_threads_.size()) { + return loop_threads_[idx]->loop(); + } + return nextLoop(); + } + + hloop_t* hloop(int idx = -1) { + EventLoopPtr ptr = loop(idx); + return ptr ? ptr->loop() : NULL; + } + + // @param wait_threads_started: if ture this method will block until all loop_threads started. + // @param pre: This functor will be executed when loop_thread started. + // @param post:This Functor will be executed when loop_thread stopped. + void start(bool wait_threads_started = false, + std::function pre = NULL, + std::function post = NULL) { + if (thread_num_ == 0) return; + if (status() >= kStarting && status() < kStopped) return; + setStatus(kStarting); + + std::shared_ptr> started_cnt(new std::atomic(0)); + std::shared_ptr> exited_cnt(new std::atomic(0)); + + loop_threads_.clear(); + for (int i = 0; i < thread_num_; ++i) { + EventLoopThreadPtr loop_thread(new EventLoopThread); + const EventLoopPtr& loop = loop_thread->loop(); + loop_thread->start(false, + [this, started_cnt, pre, &loop]() { + if (++(*started_cnt) == thread_num_) { + setStatus(kRunning); + } + if (pre) pre(loop); + return 0; + }, + [this, exited_cnt, post, &loop]() { + if (post) post(loop); + if (++(*exited_cnt) == thread_num_) { + setStatus(kStopped); + } + return 0; + } + ); + loop_threads_.push_back(loop_thread); + } + + if (wait_threads_started) { + while (status() < kRunning) { + hv_delay(1); + } + } + } + + // @param wait_threads_started: if ture this method will block until all loop_threads stopped. + // stop thread-safe + void stop(bool wait_threads_stopped = false) { + if (status() < kStarting || status() >= kStopping) return; + setStatus(kStopping); + + for (auto& loop_thread : loop_threads_) { + loop_thread->stop(false); + } + + if (wait_threads_stopped) { + while (!isStopped()) { + hv_delay(1); + } + } + } + + // @brief join all loop_threads + // @note destructor will join loop_threads if you forget to call this method. + void join() { + for (auto& loop_thread : loop_threads_) { + loop_thread->join(); + } + } + +private: + int thread_num_; + std::vector loop_threads_; + std::atomic next_loop_idx_; +}; + +} + +#endif // HV_EVENT_LOOP_THREAD_POOL_HPP_ diff --git a/sdk/include/hv/HttpContext.h b/sdk/include/hv/HttpContext.h new file mode 100644 index 0000000..8d6b4eb --- /dev/null +++ b/sdk/include/hv/HttpContext.h @@ -0,0 +1,193 @@ +#ifndef HV_HTTP_CONTEXT_H_ +#define HV_HTTP_CONTEXT_H_ + +#include "hexport.h" +#include "HttpMessage.h" +#include "HttpResponseWriter.h" + +namespace hv { + +struct HttpService; +struct HV_EXPORT HttpContext { + HttpService* service; + HttpRequestPtr request; + HttpResponsePtr response; + HttpResponseWriterPtr writer; + + // HttpRequest aliases + // return request->xxx + std::string ip() { + return request->client_addr.ip; + } + + http_method method() { + return request->method; + } + + std::string url() { + return request->url; + } + + std::string path() { + return request->Path(); + } + + std::string fullpath() { + return request->FullPath(); + } + + std::string host() { + return request->Host(); + } + + const http_headers& headers() { + return request->headers; + } + + std::string header(const char* key, const std::string& defvalue = hv::empty_string) { + return request->GetHeader(key, defvalue); + } + + const hv::QueryParams& params() { + return request->query_params; + } + + std::string param(const char* key, const std::string& defvalue = hv::empty_string) { + return request->GetParam(key, defvalue); + } + + const HttpCookie& cookie(const char* name) { + return request->GetCookie(name); + } + + int length() { + return request->ContentLength(); + } + + http_content_type type() { + return request->ContentType(); + } + + bool is(http_content_type content_type) { + return request->ContentType() == content_type; + } + + bool is(const char* content_type) { + return request->ContentType() == http_content_type_enum(content_type); + } + + std::string& body() { + return request->body; + } + +#ifndef WITHOUT_HTTP_CONTENT + // Content-Type: application/json + const hv::Json& json() { + return request->GetJson(); + } + + // Content-Type: multipart/form-data + const hv::MultiPart& form() { + return request->GetForm(); + } + std::string form(const char* name, const std::string& defvalue = hv::empty_string) { + return request->GetFormData(name, defvalue); + } + + // Content-Type: application/x-www-form-urlencoded + const hv::KeyValue& urlencoded() { + return request->GetUrlEncoded(); + } + std::string urlencoded(const char* key, const std::string& defvalue = hv::empty_string) { + return request->GetUrlEncoded(key, defvalue); + } + + // T=[bool, int, int64_t, float, double] + template + T get(const char* key, T defvalue = 0) { + return request->Get(key, defvalue); + } + std::string get(const char* key, const std::string& defvalue = hv::empty_string) { + return request->GetString(key, defvalue); + } +#endif + + // HttpResponse aliases + // response->xxx = xxx + void setStatus(http_status status) { + response->status_code = status; + } + + void setContentType(http_content_type type) { + response->content_type = type; + } + + void setContentType(const char* type) { + response->content_type = http_content_type_enum(type); + } + + void setHeader(const char* key, const std::string& value) { + response->headers[key] = value; + if (stricmp(key, "Content-Type") == 0) { + setContentType(value.c_str()); + } + } + + void setCookie(const HttpCookie& cookie) { + response->AddCookie(cookie); + } + + void setBody(const std::string& body) { + response->body = body; + } + + // response->sendXxx + int send() { + writer->End(); + return response->status_code; + } + + int send(const std::string& str, http_content_type type = APPLICATION_JSON) { + response->content_type = type; + response->body = str; + return send(); + } + + int sendString(const std::string& str) { + response->String(str); + return send(); + } + + int sendData(void* data, int len, bool nocopy = true) { + response->Data(data, len, nocopy); + return send(); + } + + int sendFile(const char* filepath) { + response->File(filepath); + return send(); + } + +#ifndef WITHOUT_HTTP_CONTENT + // T=[bool, int, int64_t, float, double, string] + template + void set(const char* key, const T& value) { + response->Set(key, value); + } + + // @see HttpMessage::Json + // @usage https://github.com/nlohmann/json + template + int sendJson(const T& t) { + response->Json(t); + return send(); + } +#endif + +}; + +} // end namespace hv + +typedef std::shared_ptr HttpContextPtr; + +#endif // HV_HTTP_CONTEXT_H_ diff --git a/sdk/include/hv/HttpMessage.h b/sdk/include/hv/HttpMessage.h new file mode 100644 index 0000000..80cadc8 --- /dev/null +++ b/sdk/include/hv/HttpMessage.h @@ -0,0 +1,561 @@ +#ifndef HV_HTTP_MESSAGE_H_ +#define HV_HTTP_MESSAGE_H_ + +/* + * @class HttpMessage + * HttpRequest extends HttpMessage + * HttpResponse extends HttpMessage + * + * @member + * request-line: GET / HTTP/1.1\r\n => method path + * response-line: HTTP/1.1 200 OK\r\n => status_code + * headers, cookies + * body + * + * content, content_length, content_type + * json, form, kv + * + * @function + * Content, ContentLength, ContentType + * ParseUrl, ParseBody + * DumpUrl, DumpHeaders, DumpBody, Dump + * GetHeader, GetParam, GetJson, GetFormData, GetUrlEncoded + * SetHeader, SetParam, SetBody, SetFormData, SetUrlEncoded + * Get, Set + * GetString, GetBool, GetInt, GetFloat + * String, Data, Json, File, FormFile + * + * @example + * examples/http_server_test.cpp + * examples/http_client_test.cpp + * examples/httpd + * + */ + +#include +#include +#include +#include + +#include "hexport.h" +#include "hbase.h" +#include "hstring.h" +#include "hfile.h" +#include "hpath.h" + +#include "httpdef.h" +#include "http_content.h" + +namespace hv { + +struct NetAddr { + std::string ip; + int port; + + std::string ipport() { + return hv::asprintf("%s:%d", ip.c_str(), port); + } +}; + +} + +// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie +// Cookie: sessionid=1; domain=.example.com; path=/; max-age=86400; secure; httponly +struct HV_EXPORT HttpCookie { + std::string name; + std::string value; + std::string domain; + std::string path; + std::string expires; + int max_age; + bool secure; + bool httponly; + enum SameSite { + Default, + Strict, + Lax, + None + } samesite; + + HttpCookie() { + max_age = 0; + secure = false; + httponly = false; + samesite = Default; + } + + bool parse(const std::string& str); + std::string dump() const; +}; + +typedef std::map http_headers; +typedef std::vector http_cookies; +typedef std::string http_body; + +HV_EXPORT extern http_headers DefaultHeaders; +HV_EXPORT extern http_body NoBody; +HV_EXPORT extern HttpCookie NoCookie; + +class HV_EXPORT HttpMessage { +public: + static char s_date[32]; + int type; + unsigned short http_major; + unsigned short http_minor; + + http_headers headers; + http_cookies cookies; + http_body body; + + // http_cb + std::function http_cb; + + // structured content + void* content; // DATA_NO_COPY + size_t content_length; + http_content_type content_type; +#ifndef WITHOUT_HTTP_CONTENT + hv::Json json; // APPLICATION_JSON + hv::MultiPart form; // MULTIPART_FORM_DATA + hv::KeyValue kv; // X_WWW_FORM_URLENCODED + + // T=[bool, int, int64_t, float, double] + template + T Get(const char* key, T defvalue = 0); + + std::string GetString(const char* key, const std::string& = ""); + bool GetBool(const char* key, bool defvalue = 0); + int64_t GetInt(const char* key, int64_t defvalue = 0); + double GetFloat(const char* key, double defvalue = 0); + + template + void Set(const char* key, const T& value) { + switch (ContentType()) { + case APPLICATION_JSON: + json[key] = value; + break; + case MULTIPART_FORM_DATA: + form[key] = hv::FormData(value); + break; + case X_WWW_FORM_URLENCODED: + kv[key] = hv::to_string(value); + break; + default: + break; + } + } + + /* + * @usage https://github.com/nlohmann/json + * + * null: Json(nullptr); + * boolean: Json(true); + * number: Json(123); + * string: Json("hello"); + * object: Json(std::map); + * Json(hv::Json::object({ + {"k1", "v1"}, + {"k2", "v2"} + })); + * array: Json(std::vector); + Json(hv::Json::array( + {1, 2, 3} + )); + */ + // Content-Type: application/json + template + int Json(const T& t) { + content_type = APPLICATION_JSON; + hv::Json j(t); + body = j.dump(2); + return 200; + } + const hv::Json& GetJson() { + if (json.empty() && ContentType() == APPLICATION_JSON) { + ParseBody(); + } + return json; + } + + // Content-Type: multipart/form-data + template + void SetFormData(const char* name, const T& t) { + form[name] = hv::FormData(t); + } + void SetFormFile(const char* name, const char* filepath) { + form[name] = hv::FormData(NULL, filepath); + } + int FormFile(const char* name, const char* filepath) { + content_type = MULTIPART_FORM_DATA; + form[name] = hv::FormData(NULL, filepath); + return 200; + } + const hv::MultiPart& GetForm() { + if (form.empty() && ContentType() == MULTIPART_FORM_DATA) { + ParseBody(); + } + return form; + } + std::string GetFormData(const char* name, const std::string& defvalue = hv::empty_string) { + if (form.empty() && ContentType() == MULTIPART_FORM_DATA) { + ParseBody(); + } + auto iter = form.find(name); + return iter == form.end() ? defvalue : iter->second.content; + } + int SaveFormFile(const char* name, const char* path) { + if (ContentType() != MULTIPART_FORM_DATA) { + return HTTP_STATUS_BAD_REQUEST; + } + if (form.empty()) { + ParseBody(); + if (form.empty()) return HTTP_STATUS_BAD_REQUEST; + } + const hv::FormData& formdata = form[name]; + if (formdata.content.empty()) { + return HTTP_STATUS_BAD_REQUEST; + } + std::string filepath(path); + if (HPath::isdir(path)) { + filepath = HPath::join(filepath, formdata.filename); + } + HFile file; + if (file.open(filepath.c_str(), "wb") != 0) { + return HTTP_STATUS_INTERNAL_SERVER_ERROR; + } + file.write(formdata.content.data(), formdata.content.size()); + return 200; + } + + // Content-Type: application/x-www-form-urlencoded + template + void SetUrlEncoded(const char* key, const T& t) { + kv[key] = hv::to_string(t); + } + const hv::KeyValue& GetUrlEncoded() { + if (kv.empty() && ContentType() == X_WWW_FORM_URLENCODED) { + ParseBody(); + } + return kv; + } + std::string GetUrlEncoded(const char* key, const std::string& defvalue = hv::empty_string) { + if (kv.empty() && ContentType() == X_WWW_FORM_URLENCODED) { + ParseBody(); + } + auto iter = kv.find(key); + return iter == kv.end() ? defvalue : iter->second; + } +#endif + + HttpMessage() { + type = HTTP_BOTH; + Init(); + } + + virtual ~HttpMessage() {} + + void Init() { + http_major = 1; + http_minor = 1; + content = NULL; + content_length = 0; + content_type = CONTENT_TYPE_NONE; + } + + virtual void Reset() { + Init(); + headers.clear(); + cookies.clear(); + body.clear(); +#ifndef WITHOUT_HTTP_CONTENT + json.clear(); + form.clear(); + kv.clear(); +#endif + } + + // structured-content -> content_type <-> headers Content-Type + void FillContentType(); + // body.size -> content_length <-> headers Content-Length + void FillContentLength(); + + bool IsChunked(); + bool IsKeepAlive(); + + // headers + void SetHeader(const char* key, const std::string& value) { + headers[key] = value; + } + std::string GetHeader(const char* key, const std::string& defvalue = hv::empty_string) { + auto iter = headers.find(key); + return iter == headers.end() ? defvalue : iter->second; + } + + // body + void SetBody(const std::string& body) { + this->body = body; + } + const std::string& Body() { + return this->body; + } + + // headers -> string + void DumpHeaders(std::string& str); + // structured content -> body + void DumpBody(); + void DumpBody(std::string& str); + // body -> structured content + // @retval 0:succeed + int ParseBody(); + + virtual std::string Dump(bool is_dump_headers, bool is_dump_body); + + void* Content() { + if (content == NULL && body.size() != 0) { + content = (void*)body.data(); + } + return content; + } + + size_t ContentLength() { + if (content_length == 0) { + FillContentLength(); + } + return content_length; + } + + http_content_type ContentType() { + if (content_type == CONTENT_TYPE_NONE) { + FillContentType(); + } + return content_type; + } + void SetContentTypeByFilename(const char* filepath) { + const char* suffix = hv_suffixname(filepath); + if (suffix) { + content_type = http_content_type_enum_by_suffix(suffix); + } + if (content_type == CONTENT_TYPE_NONE || content_type == CONTENT_TYPE_UNDEFINED) { + content_type = APPLICATION_OCTET_STREAM; + } + } + + void AddCookie(const HttpCookie& cookie) { + cookies.push_back(cookie); + } + + const HttpCookie& GetCookie(const std::string& name) { + for (auto iter = cookies.begin(); iter != cookies.end(); ++iter) { + if (iter->name == name) { + return *iter; + } + } + return NoCookie; + } + + int String(const std::string& str) { + content_type = TEXT_PLAIN; + body = str; + return 200; + } + + int Data(void* data, int len, bool nocopy = true) { + content_type = APPLICATION_OCTET_STREAM; + if (nocopy) { + content = data; + content_length = len; + } else { + content_length = body.size(); + body.resize(content_length + len); + memcpy((void*)(body.data() + content_length), data, len); + content_length += len; + } + return 200; + } + + int File(const char* filepath) { + HFile file; + if (file.open(filepath, "rb") != 0) { + return HTTP_STATUS_NOT_FOUND; + } + SetContentTypeByFilename(filepath); + file.readall(body); + return 200; + } + + int SaveFile(const char* filepath) { + HFile file; + if (file.open(filepath, "wb") != 0) { + return HTTP_STATUS_NOT_FOUND; + } + file.write(body.data(), body.size()); + return 200; + } +}; + +#define DEFAULT_HTTP_USER_AGENT "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36" +#define DEFAULT_HTTP_TIMEOUT 60 // s +#define DEFAULT_HTTP_CONNECT_TIMEOUT 10 // s +#define DEFAULT_HTTP_FAIL_RETRY_COUNT 1 +#define DEFAULT_HTTP_FAIL_RETRY_DELAY 1000 // ms + +class HV_EXPORT HttpRequest : public HttpMessage { +public: + http_method method; + // scheme:[//[user[:password]@]host[:port]][/path][?query][#fragment] + std::string url; + // structured url + std::string scheme; + std::string host; + int port; + std::string path; + hv::QueryParams query_params; + // client_addr + hv::NetAddr client_addr; // for http server save client addr of request + // for HttpClient + uint16_t timeout; // unit: s + uint16_t connect_timeout;// unit: s + uint32_t retry_count; // just for AsyncHttpClient fail retry + uint32_t retry_delay; // just for AsyncHttpClient fail retry + unsigned redirect: 1; + unsigned proxy : 1; + + HttpRequest() : HttpMessage() { + type = HTTP_REQUEST; + Init(); + } + + void Init() { + headers["User-Agent"] = DEFAULT_HTTP_USER_AGENT; + headers["Accept"] = "*/*"; + method = HTTP_GET; + scheme = "http"; + host = "127.0.0.1"; + port = DEFAULT_HTTP_PORT; + path = "/"; + timeout = DEFAULT_HTTP_TIMEOUT; + connect_timeout = DEFAULT_HTTP_CONNECT_TIMEOUT; + retry_count = DEFAULT_HTTP_FAIL_RETRY_COUNT; + retry_delay = DEFAULT_HTTP_FAIL_RETRY_DELAY; + redirect = 1; + proxy = 0; + } + + virtual void Reset() { + HttpMessage::Reset(); + Init(); + url.clear(); + query_params.clear(); + } + + virtual std::string Dump(bool is_dump_headers = true, bool is_dump_body = false); + + // method + void SetMethod(const char* method) { + this->method = http_method_enum(method); + } + const char* Method() { + return http_method_str(method); + } + + // scheme + bool IsHttps() { + return strncmp(scheme.c_str(), "https", 5) == 0 || + strncmp(url.c_str(), "https://", 8) == 0; + } + + // url + void SetUrl(const char* url) { + this->url = url; + } + const std::string& Url() { + return url; + } + // structed url -> url + void DumpUrl(); + // url -> structed url + void ParseUrl(); + + // /path?query#fragment + std::string FullPath() { return path; } + // /path + std::string Path(); + + // ?query_params + template + void SetParam(const char* key, const T& t) { + query_params[key] = hv::to_string(t); + } + std::string GetParam(const char* key, const std::string& defvalue = hv::empty_string) { + auto iter = query_params.find(key); + return iter == query_params.end() ? defvalue : iter->second; + } + + // Host: + std::string Host() { + auto iter = headers.find("Host"); + return iter == headers.end() ? host : iter->second; + } + void FillHost(const char* host, int port = DEFAULT_HTTP_PORT); + void SetHost(const char* host, int port = DEFAULT_HTTP_PORT); + void SetProxy(const char* host, int port); + bool IsProxy() { return proxy; } + + // Range: bytes=0-4095 + void SetRange(long from = 0, long to = -1) { + headers["Range"] = hv::asprintf("bytes=%ld-%ld", from, to); + } + bool GetRange(long& from, long& to) { + auto iter = headers.find("Range"); + if (iter != headers.end()) { + sscanf(iter->second.c_str(), "bytes=%ld-%ld", &from, &to); + return true; + } + from = to = 0; + return false; + } +}; + +class HV_EXPORT HttpResponse : public HttpMessage { +public: + http_status status_code; + const char* status_message() { + return http_status_str(status_code); + } + + HttpResponse() : HttpMessage() { + type = HTTP_RESPONSE; + Init(); + } + + void Init() { + status_code = HTTP_STATUS_OK; + } + + virtual void Reset() { + HttpMessage::Reset(); + Init(); + } + + virtual std::string Dump(bool is_dump_headers = true, bool is_dump_body = false); + + // Content-Range: bytes 0-4095/10240000 + void SetRange(long from, long to, long total) { + headers["Content-Range"] = hv::asprintf("bytes %ld-%ld/%ld", from, to, total); + } + bool GetRange(long& from, long& to, long& total) { + auto iter = headers.find("Content-Range"); + if (iter != headers.end()) { + sscanf(iter->second.c_str(), "bytes %ld-%ld/%ld", &from, &to, &total); + return true; + } + from = to = total = 0; + return false; + } +}; + +typedef std::shared_ptr HttpRequestPtr; +typedef std::shared_ptr HttpResponsePtr; +typedef std::function HttpResponseCallback; + +#endif // HV_HTTP_MESSAGE_H_ diff --git a/sdk/include/hv/HttpParser.h b/sdk/include/hv/HttpParser.h new file mode 100644 index 0000000..6c1acee --- /dev/null +++ b/sdk/include/hv/HttpParser.h @@ -0,0 +1,51 @@ +#ifndef HV_HTTP_PARSER_H_ +#define HV_HTTP_PARSER_H_ + +#include "hexport.h" +#include "HttpMessage.h" + +class HV_EXPORT HttpParser { +public: + http_version version; + http_session_type type; + + static HttpParser* New(http_session_type type = HTTP_CLIENT, http_version version = HTTP_V1); + virtual ~HttpParser() {} + + virtual int GetSendData(char** data, size_t* len) = 0; + virtual int FeedRecvData(const char* data, size_t len) = 0; + + // Http1Parser: http_parser_state + // Http2Parser: http2_session_state + virtual int GetState() = 0; + + // Http1Parser: GetState() != HP_MESSAGE_COMPLETE + // Http2Parser: GetState() == H2_WANT_RECV + virtual bool WantRecv() = 0; + + // Http1Parser: GetState() == HP_MESSAGE_COMPLETE + // Http2Parser: GetState() == H2_WANT_SEND + virtual bool WantSend() = 0; + + // IsComplete: Is recved HttpRequest or HttpResponse complete? + // Http1Parser: GetState() == HP_MESSAGE_COMPLETE + // Http2Parser: (state == H2_RECV_HEADERS || state == H2_RECV_DATA) && stream_closed + virtual bool IsComplete() = 0; + + // client + // SubmitRequest -> while(GetSendData) {send} -> InitResponse -> do {recv -> FeedRecvData} while(WantRecv) + virtual int SubmitRequest(HttpRequest* req) = 0; + virtual int InitResponse(HttpResponse* res) = 0; + + // server + // InitRequest -> do {recv -> FeedRecvData} while(WantRecv) -> SubmitResponse -> while(GetSendData) {send} + virtual int InitRequest(HttpRequest* req) = 0; + virtual int SubmitResponse(HttpResponse* res) = 0; + + virtual int GetError() = 0; + virtual const char* StrError(int error) = 0; +}; + +typedef std::shared_ptr HttpParserPtr; + +#endif // HV_HTTP_PARSER_H_ diff --git a/sdk/include/hv/HttpResponseWriter.h b/sdk/include/hv/HttpResponseWriter.h new file mode 100644 index 0000000..e4362d5 --- /dev/null +++ b/sdk/include/hv/HttpResponseWriter.h @@ -0,0 +1,177 @@ +#ifndef HV_HTTP_RESPONSE_WRITER_H_ +#define HV_HTTP_RESPONSE_WRITER_H_ + +#include "Channel.h" +#include "HttpMessage.h" + +namespace hv { + +class HttpResponseWriter : public SocketChannel { +public: + HttpResponsePtr response; + enum State { + SEND_BEGIN, + SEND_HEADER, + SEND_BODY, + SEND_CHUNKED, + SEND_CHUNKED_END, + SEND_END, + } state; + HttpResponseWriter(hio_t* io, const HttpResponsePtr& resp) + : SocketChannel(io) + , response(resp) + , state(SEND_BEGIN) + {} + ~HttpResponseWriter() {} + + // Begin -> End + // Begin -> WriteResponse -> End + // Begin -> WriteStatus -> WriteHeader -> WriteBody -> End + // Begin -> EndHeaders("Content-Type", "text/event-stream") -> write -> write -> ... -> close + // Begin -> EndHeaders("Content-Length", content_length) -> WriteBody -> WriteBody -> ... -> End + // Begin -> EndHeaders("Transfer-Encoding", "chunked") -> WriteChunked -> WriteChunked -> ... -> End + + int Begin() { + state = SEND_BEGIN; + return 0; + } + + int WriteStatus(http_status status_codes) { + response->status_code = status_codes; + return 0; + } + + int WriteHeader(const char* key, const char* value) { + response->headers[key] = value; + return 0; + } + + template + int WriteHeader(const char* key, T num) { + response->headers[key] = hv::to_string(num); + return 0; + } + + int EndHeaders(const char* key = NULL, const char* value = NULL) { + if (state != SEND_BEGIN) return -1; + if (key && value) { + response->headers[key] = value; + } + std::string headers = response->Dump(true, false); + state = SEND_HEADER; + return write(headers); + } + + template + int EndHeaders(const char* key, T num) { + std::string value = hv::to_string(num); + return EndHeaders(key, value.c_str()); + } + + int WriteChunked(const char* buf, int len = -1) { + int ret = 0; + if (len == -1) len = strlen(buf); + if (state == SEND_BEGIN) { + EndHeaders("Transfer-Encoding", "chunked"); + } + char chunked_header[64]; + int chunked_header_len = snprintf(chunked_header, sizeof(chunked_header), "%x\r\n", len); + write(chunked_header, chunked_header_len); + if (buf && len) { + ret = write(buf, len); + state = SEND_CHUNKED; + } else { + state = SEND_CHUNKED_END; + } + write("\r\n", 2); + return ret; + } + + int WriteChunked(const std::string& str) { + return WriteChunked(str.c_str(), str.size()); + } + + int EndChunked() { + return WriteChunked(NULL, 0); + } + + int WriteBody(const char* buf, int len = -1) { + if (response->IsChunked()) { + return WriteChunked(buf, len); + } + + if (len == -1) len = strlen(buf); + if (state == SEND_BEGIN) { + response->body.append(buf, len); + return len; + } else { + state = SEND_BODY; + return write(buf, len); + } + } + + int WriteBody(const std::string& str) { + return WriteBody(str.c_str(), str.size()); + } + + int WriteResponse(HttpResponse* resp) { + if (resp == NULL) { + response->status_code = HTTP_STATUS_INTERNAL_SERVER_ERROR; + return 0; + } + bool is_dump_headers = state == SEND_BEGIN ? true : false; + std::string msg = resp->Dump(is_dump_headers, true); + state = SEND_BODY; + return write(msg); + } + + int End(const char* buf = NULL, int len = -1) { + if (state == SEND_END) return 0; + if (!isConnected()) { + state = SEND_END; + return -1; + } + + int ret = 0; + if (state == SEND_CHUNKED) { + if (buf) { + ret = WriteChunked(buf, len); + } + if (state == SEND_CHUNKED) { + EndChunked(); + } + } else { + if (buf) { + ret = WriteBody(buf, len); + } + bool is_dump_headers = true; + bool is_dump_body = true; + if (state == SEND_HEADER) { + is_dump_headers = false; + } else if (state == SEND_BODY) { + is_dump_headers = false; + is_dump_body = false; + } + if (is_dump_body) { + std::string msg = response->Dump(is_dump_headers, is_dump_body); + ret = write(msg); + } + } + + state = SEND_END; + if (!response->IsKeepAlive()) { + close(true); + } + return ret; + } + + int End(const std::string& str) { + return End(str.c_str(), str.size()); + } +}; + +} + +typedef std::shared_ptr HttpResponseWriterPtr; + +#endif // HV_HTTP_RESPONSE_WRITER_H_ diff --git a/sdk/include/hv/HttpServer.h b/sdk/include/hv/HttpServer.h new file mode 100644 index 0000000..b31501d --- /dev/null +++ b/sdk/include/hv/HttpServer.h @@ -0,0 +1,116 @@ +#ifndef HV_HTTP_SERVER_H_ +#define HV_HTTP_SERVER_H_ + +#include "hexport.h" +#include "HttpService.h" +// #include "WebSocketServer.h" +namespace hv { +struct WebSocketService; +} +using hv::HttpService; +using hv::WebSocketService; + +typedef struct http_server_s { + char host[64]; + int port; // http_port + int https_port; + int http_version; + int worker_processes; + int worker_threads; + HttpService* service; // http service + WebSocketService* ws; // websocket service + void* userdata; +//private: + int listenfd[2]; // 0: http, 1: https + void* privdata; + +#ifdef __cplusplus + http_server_s() { + strcpy(host, "0.0.0.0"); + // port = DEFAULT_HTTP_PORT; + // https_port = DEFAULT_HTTPS_PORT; + // port = 8080; + // https_port = 8443; + port = https_port = 0; + http_version = 1; + worker_processes = 0; + worker_threads = 0; + service = NULL; + ws = NULL; + listenfd[0] = listenfd[1] = -1; + userdata = NULL; + privdata = NULL; + } +#endif +} http_server_t; + +// @param wait: Whether to occupy current thread +HV_EXPORT int http_server_run(http_server_t* server, int wait = 1); + +// NOTE: stop all loops and join all threads +HV_EXPORT int http_server_stop(http_server_t* server); + +/* +#include "HttpServer.h" +using namespace hv; + +int main() { + HttpService service; + service.GET("/ping", [](HttpRequest* req, HttpResponse* resp) { + resp->body = "pong"; + return 200; + }); + + HttpServer server; + server.registerHttpService(&service); + server.setPort(8080); + server.setThreadNum(4); + server.run(); + return 0; +} +*/ + +namespace hv { + +class HttpServer : public http_server_t { +public: + HttpServer() : http_server_t() {} + ~HttpServer() { stop(); } + + void registerHttpService(HttpService* service) { + this->service = service; + } + + void setHost(const char* host = "0.0.0.0") { + if (host) strcpy(this->host, host); + } + + void setPort(int port = 0, int ssl_port = 0) { + if (port != 0) this->port = port; + if (ssl_port != 0) this->https_port = ssl_port; + } + + void setProcessNum(int num) { + this->worker_processes = num; + } + + void setThreadNum(int num) { + this->worker_threads = num; + } + + int run(bool wait = true) { + return http_server_run(this, wait); + } + + int start() { + return run(false); + } + + int stop() { + return http_server_stop(this); + } +}; + +} + +#endif // HV_HTTP_SERVER_H_ diff --git a/sdk/include/hv/HttpService.h b/sdk/include/hv/HttpService.h new file mode 100644 index 0000000..8711f23 --- /dev/null +++ b/sdk/include/hv/HttpService.h @@ -0,0 +1,266 @@ +#ifndef HV_HTTP_SERVICE_H_ +#define HV_HTTP_SERVICE_H_ + +#include +#include +#include +#include +#include +#include + +#include "hexport.h" +#include "HttpMessage.h" +#include "HttpResponseWriter.h" +#include "HttpContext.h" + +#define DEFAULT_BASE_URL "/api/v1" +#define DEFAULT_DOCUMENT_ROOT "/var/www/html" +#define DEFAULT_HOME_PAGE "index.html" +#define DEFAULT_ERROR_PAGE "error.html" +#define DEFAULT_INDEXOF_DIR "/downloads/" +#define DEFAULT_KEEPALIVE_TIMEOUT 75000 // ms + +// for FileCache +#define MAX_FILE_CACHE_SIZE (1 << 22) // 4M +#define DEFAULT_FILE_CACHE_STAT_INTERVAL 10 // s +#define DEFAULT_FILE_CACHE_EXPIRED_TIME 60 // s + +/* + * @param[in] req: parsed structured http request + * @param[out] resp: structured http response + * @return 0: handle unfinished + * http_status_code: handle done + */ +#define HTTP_STATUS_UNFINISHED 0 +// NOTE: http_sync_handler run on IO thread +typedef std::function http_sync_handler; +// NOTE: http_async_handler run on hv::async threadpool +typedef std::function http_async_handler; +// NOTE: http_ctx_handler run on IO thread, you can easily post HttpContextPtr to your consumer thread for processing. +typedef std::function http_ctx_handler; + +struct http_handler { + http_sync_handler sync_handler; + http_async_handler async_handler; + http_ctx_handler ctx_handler; + + http_handler() {} + http_handler(http_sync_handler fn) : sync_handler(std::move(fn)) {} + http_handler(http_async_handler fn) : async_handler(std::move(fn)) {} + http_handler(http_ctx_handler fn) : ctx_handler(std::move(fn)) {} + http_handler(const http_handler& rhs) + : sync_handler(std::move(rhs.sync_handler)) + , async_handler(std::move(rhs.async_handler)) + , ctx_handler(std::move(rhs.ctx_handler)) + {} + + const http_handler& operator=(http_sync_handler fn) { + sync_handler = std::move(fn); + return *this; + } + const http_handler& operator=(http_async_handler fn) { + async_handler = std::move(fn); + return *this; + } + const http_handler& operator=(http_ctx_handler fn) { + ctx_handler = std::move(fn); + return *this; + } + + bool isNull() { + return sync_handler == NULL && + async_handler == NULL && + ctx_handler == NULL; + } + + operator bool() { + return !isNull(); + } +}; + +struct http_method_handler { + http_method method; + http_handler handler; + + http_method_handler() {} + http_method_handler(http_method m, const http_handler& h) : method(m), handler(h) {} +}; + +// method => http_method_handler +typedef std::list http_method_handlers; +// path => http_method_handlers +typedef std::unordered_map> http_api_handlers; + +namespace hv { + +struct HV_EXPORT HttpService { + // preprocessor -> processor -> postprocessor + http_handler preprocessor; + // processor: api_handlers -> staticHandler -> errorHandler + http_handler processor; + http_handler postprocessor; + + // api service (that is http.APIServer) + std::string base_url; + http_api_handlers api_handlers; + + // file service (that is http.FileServer) + http_handler staticHandler; + http_handler largeFileHandler; + std::string document_root; + std::string home_page; + std::string error_page; + // indexof service (that is http.DirectoryServer) + std::string index_of; + http_handler errorHandler; + + // options + int keepalive_timeout; + int max_file_cache_size; // cache small file + int file_cache_stat_interval; // stat file is modified + int file_cache_expired_time; // remove expired file cache + /* + * @test limit_rate + * @build make examples + * @server bin/httpd -c etc/httpd.conf -s restart -d + * @client bin/wget http://127.0.0.1:8080/downloads/test.zip + */ + int limit_rate; // limit send rate, unit: KB/s + + HttpService() { + // base_url = DEFAULT_BASE_URL; + + document_root = DEFAULT_DOCUMENT_ROOT; + home_page = DEFAULT_HOME_PAGE; + // error_page = DEFAULT_ERROR_PAGE; + // index_of = DEFAULT_INDEXOF_DIR; + + keepalive_timeout = DEFAULT_KEEPALIVE_TIMEOUT; + max_file_cache_size = MAX_FILE_CACHE_SIZE; + file_cache_stat_interval = DEFAULT_FILE_CACHE_STAT_INTERVAL; + file_cache_expired_time = DEFAULT_FILE_CACHE_EXPIRED_TIME; + limit_rate = -1; // unlimited + } + + void AddApi(const char* path, http_method method, const http_handler& handler); + // @retval 0 OK, else HTTP_STATUS_NOT_FOUND, HTTP_STATUS_METHOD_NOT_ALLOWED + int GetApi(const char* url, http_method method, http_handler** handler); + // RESTful API /:field/ => req->query_params["field"] + int GetApi(HttpRequest* req, http_handler** handler); + + hv::StringList Paths() { + hv::StringList paths; + for (auto& pair : api_handlers) { + paths.emplace_back(pair.first); + } + return paths; + } + + // github.com/gin-gonic/gin + void Handle(const char* httpMethod, const char* relativePath, http_sync_handler handlerFunc) { + AddApi(relativePath, http_method_enum(httpMethod), http_handler(handlerFunc)); + } + void Handle(const char* httpMethod, const char* relativePath, http_async_handler handlerFunc) { + AddApi(relativePath, http_method_enum(httpMethod), http_handler(handlerFunc)); + } + void Handle(const char* httpMethod, const char* relativePath, http_ctx_handler handlerFunc) { + AddApi(relativePath, http_method_enum(httpMethod), http_handler(handlerFunc)); + } + + // HEAD + void HEAD(const char* relativePath, http_sync_handler handlerFunc) { + Handle("HEAD", relativePath, handlerFunc); + } + void HEAD(const char* relativePath, http_async_handler handlerFunc) { + Handle("HEAD", relativePath, handlerFunc); + } + void HEAD(const char* relativePath, http_ctx_handler handlerFunc) { + Handle("HEAD", relativePath, handlerFunc); + } + + // GET + void GET(const char* relativePath, http_sync_handler handlerFunc) { + Handle("GET", relativePath, handlerFunc); + } + void GET(const char* relativePath, http_async_handler handlerFunc) { + Handle("GET", relativePath, handlerFunc); + } + void GET(const char* relativePath, http_ctx_handler handlerFunc) { + Handle("GET", relativePath, handlerFunc); + } + + // POST + void POST(const char* relativePath, http_sync_handler handlerFunc) { + Handle("POST", relativePath, handlerFunc); + } + void POST(const char* relativePath, http_async_handler handlerFunc) { + Handle("POST", relativePath, handlerFunc); + } + void POST(const char* relativePath, http_ctx_handler handlerFunc) { + Handle("POST", relativePath, handlerFunc); + } + + // PUT + void PUT(const char* relativePath, http_sync_handler handlerFunc) { + Handle("PUT", relativePath, handlerFunc); + } + void PUT(const char* relativePath, http_async_handler handlerFunc) { + Handle("PUT", relativePath, handlerFunc); + } + void PUT(const char* relativePath, http_ctx_handler handlerFunc) { + Handle("PUT", relativePath, handlerFunc); + } + + // DELETE + // NOTE: Windows #define DELETE as a macro, we have to replace DELETE with Delete. + void Delete(const char* relativePath, http_sync_handler handlerFunc) { + Handle("DELETE", relativePath, handlerFunc); + } + void Delete(const char* relativePath, http_async_handler handlerFunc) { + Handle("DELETE", relativePath, handlerFunc); + } + void Delete(const char* relativePath, http_ctx_handler handlerFunc) { + Handle("DELETE", relativePath, handlerFunc); + } + + // PATCH + void PATCH(const char* relativePath, http_sync_handler handlerFunc) { + Handle("PATCH", relativePath, handlerFunc); + } + void PATCH(const char* relativePath, http_async_handler handlerFunc) { + Handle("PATCH", relativePath, handlerFunc); + } + void PATCH(const char* relativePath, http_ctx_handler handlerFunc) { + Handle("PATCH", relativePath, handlerFunc); + } + + // Any + void Any(const char* relativePath, http_sync_handler handlerFunc) { + Handle("HEAD", relativePath, handlerFunc); + Handle("GET", relativePath, handlerFunc); + Handle("POST", relativePath, handlerFunc); + Handle("PUT", relativePath, handlerFunc); + Handle("DELETE", relativePath, handlerFunc); + Handle("PATCH", relativePath, handlerFunc); + } + void Any(const char* relativePath, http_async_handler handlerFunc) { + Handle("HEAD", relativePath, handlerFunc); + Handle("GET", relativePath, handlerFunc); + Handle("POST", relativePath, handlerFunc); + Handle("PUT", relativePath, handlerFunc); + Handle("DELETE", relativePath, handlerFunc); + Handle("PATCH", relativePath, handlerFunc); + } + void Any(const char* relativePath, http_ctx_handler handlerFunc) { + Handle("HEAD", relativePath, handlerFunc); + Handle("GET", relativePath, handlerFunc); + Handle("POST", relativePath, handlerFunc); + Handle("PUT", relativePath, handlerFunc); + Handle("DELETE", relativePath, handlerFunc); + Handle("PATCH", relativePath, handlerFunc); + } +}; + +} + +#endif // HV_HTTP_SERVICE_H_ diff --git a/sdk/include/hv/Status.h b/sdk/include/hv/Status.h new file mode 100644 index 0000000..caf2853 --- /dev/null +++ b/sdk/include/hv/Status.h @@ -0,0 +1,56 @@ +#ifndef HV_STATUS_HPP_ +#define HV_STATUS_HPP_ + +#include + +namespace hv { + +class Status { +public: + enum KStatus { + kNull = 0, + kInitializing = 1, + kInitialized = 2, + kStarting = 3, + kStarted = 4, + kRunning = 5, + kPause = 6, + kStopping = 7, + kStopped = 8, + kDestroyed = 9, + }; + + Status() { + status_ = kNull; + } + ~Status() { + status_ = kDestroyed; + } + + KStatus status() { + return status_; + } + + void setStatus(KStatus status) { + status_ = status; + } + + bool isRunning() { + return status_ == kRunning; + } + + bool isPause() { + return status_ == kPause; + } + + bool isStopped() { + return status_ == kStopped; + } + +private: + std::atomic status_; +}; + +} + +#endif // HV_STATUS_HPP_ diff --git a/sdk/include/hv/TcpClient.h b/sdk/include/hv/TcpClient.h new file mode 100644 index 0000000..761208a --- /dev/null +++ b/sdk/include/hv/TcpClient.h @@ -0,0 +1,227 @@ +#ifndef HV_TCP_CLIENT_HPP_ +#define HV_TCP_CLIENT_HPP_ + +#include "hsocket.h" +#include "hssl.h" +#include "hlog.h" + +#include "EventLoopThread.h" +#include "Channel.h" + +namespace hv { + +template +class TcpClientTmpl { +public: + typedef std::shared_ptr TSocketChannelPtr; + + TcpClientTmpl() { + connect_timeout = HIO_DEFAULT_CONNECT_TIMEOUT; + tls = false; + tls_setting = NULL; + reconn_setting = NULL; + unpack_setting = NULL; + } + + virtual ~TcpClientTmpl() { + HV_FREE(tls_setting); + HV_FREE(reconn_setting); + HV_FREE(unpack_setting); + } + + const EventLoopPtr& loop() { + return loop_thread.loop(); + } + + //NOTE: By default, not bind local port. If necessary, you can call system api bind() after createsocket(). + //@retval >=0 connfd, <0 error + int createsocket(int remote_port, const char* remote_host = "127.0.0.1") { + memset(&remote_addr, 0, sizeof(remote_addr)); + int ret = sockaddr_set_ipport(&remote_addr, remote_host, remote_port); + if (ret != 0) { + return -1; + } + this->remote_host = remote_host; + this->remote_port = remote_port; + return createsocket(&remote_addr.sa); + } + int createsocket(struct sockaddr* remote_addr) { + int connfd = socket(remote_addr->sa_family, SOCK_STREAM, 0); + // SOCKADDR_PRINT(remote_addr); + if (connfd < 0) { + perror("socket"); + return -2; + } + + hio_t* io = hio_get(loop_thread.hloop(), connfd); + assert(io != NULL); + hio_set_peeraddr(io, remote_addr, SOCKADDR_LEN(remote_addr)); + channel.reset(new TSocketChannel(io)); + return connfd; + } + // closesocket thread-safe + void closesocket() { + setReconnect(NULL); + if (channel) { + channel->close(true); + } + } + + int startConnect() { + assert(channel != NULL); + if (connect_timeout) { + channel->setConnectTimeout(connect_timeout); + } + if (tls) { + channel->enableSSL(); + if (tls_setting) { + channel->newSslCtx(tls_setting); + } + if (!is_ipaddr(remote_host.c_str())) { + channel->setHostname(remote_host); + } + } + channel->onconnect = [this]() { + if (unpack_setting) { + channel->setUnpack(unpack_setting); + } + channel->startRead(); + if (onConnection) { + onConnection(channel); + } + if (reconn_setting) { + reconn_setting_reset(reconn_setting); + } + }; + channel->onread = [this](Buffer* buf) { + if (onMessage) { + onMessage(channel, buf); + } + }; + channel->onwrite = [this](Buffer* buf) { + if (onWriteComplete) { + onWriteComplete(channel, buf); + } + }; + channel->onclose = [this]() { + if (onConnection) { + onConnection(channel); + } + // reconnect + if (reconn_setting) { + startReconnect(); + } else { + channel = NULL; + // NOTE: channel should be destroyed, + // so in this lambda function, no code should be added below. + } + }; + return channel->startConnect(); + } + + int startReconnect() { + if (!reconn_setting) return -1; + if (!reconn_setting_can_retry(reconn_setting)) return -2; + uint32_t delay = reconn_setting_calc_delay(reconn_setting); + loop_thread.loop()->setTimeout(delay, [this](TimerID timerID){ + hlogi("reconnect... cnt=%d, delay=%d", reconn_setting->cur_retry_cnt, reconn_setting->cur_delay); + if (createsocket(&remote_addr.sa) < 0) return; + startConnect(); + }); + return 0; + } + + void start(bool wait_threads_started = true) { + loop_thread.start(wait_threads_started, std::bind(&TcpClientTmpl::startConnect, this)); + } + // stop thread-safe + void stop(bool wait_threads_stopped = true) { + setReconnect(NULL); + loop_thread.stop(wait_threads_stopped); + } + + bool isConnected() { + if (channel == NULL) return false; + return channel->isConnected(); + } + + // send thread-safe + int send(const void* data, int size) { + if (!isConnected()) return -1; + return channel->write(data, size); + } + int send(Buffer* buf) { + return send(buf->data(), buf->size()); + } + int send(const std::string& str) { + return send(str.data(), str.size()); + } + + int withTLS(hssl_ctx_opt_t* opt = NULL) { + tls = true; + if (opt) { + if (tls_setting == NULL) { + HV_ALLOC_SIZEOF(tls_setting); + } + opt->endpoint = HSSL_CLIENT; + *tls_setting = *opt; + } + return 0; + } + + void setConnectTimeout(int ms) { + connect_timeout = ms; + } + + void setReconnect(reconn_setting_t* setting) { + if (setting == NULL) { + HV_FREE(reconn_setting); + return; + } + if (reconn_setting == NULL) { + HV_ALLOC_SIZEOF(reconn_setting); + } + *reconn_setting = *setting; + } + bool isReconnect() { + return reconn_setting && reconn_setting->cur_retry_cnt > 0; + } + + void setUnpack(unpack_setting_t* setting) { + if (setting == NULL) { + HV_FREE(unpack_setting); + return; + } + if (unpack_setting == NULL) { + HV_ALLOC_SIZEOF(unpack_setting); + } + *unpack_setting = *setting; + } + +public: + TSocketChannelPtr channel; + + std::string remote_host; + int remote_port; + sockaddr_u remote_addr; + int connect_timeout; + bool tls; + hssl_ctx_opt_t* tls_setting; + reconn_setting_t* reconn_setting; + unpack_setting_t* unpack_setting; + + // Callback + std::function onConnection; + std::function onMessage; + // NOTE: Use Channel::isWriteComplete in onWriteComplete callback to determine whether all data has been written. + std::function onWriteComplete; + +private: + EventLoopThread loop_thread; +}; + +typedef TcpClientTmpl TcpClient; + +} + +#endif // HV_TCP_CLIENT_HPP_ diff --git a/sdk/include/hv/TcpServer.h b/sdk/include/hv/TcpServer.h new file mode 100644 index 0000000..61b0756 --- /dev/null +++ b/sdk/include/hv/TcpServer.h @@ -0,0 +1,236 @@ +#ifndef HV_TCP_SERVER_HPP_ +#define HV_TCP_SERVER_HPP_ + +#include "hsocket.h" +#include "hssl.h" +#include "hlog.h" + +#include "EventLoopThreadPool.h" +#include "Channel.h" + +namespace hv { + +template +class TcpServerTmpl { +public: + typedef std::shared_ptr TSocketChannelPtr; + + TcpServerTmpl() { + listenfd = -1; + tls = false; + unpack_setting.mode = UNPACK_MODE_NONE; + max_connections = 0xFFFFFFFF; + load_balance = LB_RoundRobin; + } + + virtual ~TcpServerTmpl() { + } + + EventLoopPtr loop(int idx = -1) { + return worker_threads.loop(idx); + } + + //@retval >=0 listenfd, <0 error + int createsocket(int port, const char* host = "0.0.0.0") { + listenfd = Listen(port, host); + return listenfd; + } + // closesocket thread-safe + void closesocket() { + if (listenfd >= 0) { + hio_close_async(hio_get(acceptor_thread.hloop(), listenfd)); + listenfd = -1; + } + } + + void setMaxConnectionNum(uint32_t num) { + max_connections = num; + } + + void setLoadBalance(load_balance_e lb) { + load_balance = lb; + } + + // NOTE: totalThreadNum = 1 acceptor_thread + N worker_threads (N can be 0) + void setThreadNum(int num) { + worker_threads.setThreadNum(num); + } + + int startAccept() { + assert(listenfd >= 0); + hio_t* listenio = haccept(acceptor_thread.hloop(), listenfd, onAccept); + hevent_set_userdata(listenio, this); + if (tls) { + hio_enable_ssl(listenio); + } + return 0; + } + + void start(bool wait_threads_started = true) { + if (worker_threads.threadNum() > 0) { + worker_threads.start(wait_threads_started); + } + acceptor_thread.start(wait_threads_started, std::bind(&TcpServerTmpl::startAccept, this)); + } + // stop thread-safe + void stop(bool wait_threads_stopped = true) { + acceptor_thread.stop(wait_threads_stopped); + if (worker_threads.threadNum() > 0) { + worker_threads.stop(wait_threads_stopped); + } + } + + int withTLS(hssl_ctx_opt_t* opt = NULL) { + tls = true; + if (opt) { + opt->endpoint = HSSL_SERVER; + if (hssl_ctx_init(opt) == NULL) { + fprintf(stderr, "hssl_ctx_init failed!\n"); + return -1; + } + } + return 0; + } + + void setUnpack(unpack_setting_t* setting) { + if (setting) { + unpack_setting = *setting; + } else { + unpack_setting.mode = UNPACK_MODE_NONE; + } + } + + // channel + const TSocketChannelPtr& addChannel(hio_t* io) { + uint32_t id = hio_id(io); + auto channel = TSocketChannelPtr(new TSocketChannel(io)); + std::lock_guard locker(mutex_); + channels[id] = channel; + return channels[id]; + } + + TSocketChannelPtr getChannelById(uint32_t id) { + std::lock_guard locker(mutex_); + auto iter = channels.find(id); + return iter != channels.end() ? iter->second : NULL; + } + + void removeChannel(const TSocketChannelPtr& channel) { + uint32_t id = channel->id(); + std::lock_guard locker(mutex_); + channels.erase(id); + } + + size_t connectionNum() { + std::lock_guard locker(mutex_); + return channels.size(); + } + + int foreachChannel(std::function fn) { + std::lock_guard locker(mutex_); + for (auto& pair : channels) { + fn(pair.second); + } + return channels.size(); + } + + // broadcast thread-safe + int broadcast(const void* data, int size) { + return foreachChannel([data, size](const TSocketChannelPtr& channel) { + channel->write(data, size); + }); + } + + int broadcast(const std::string& str) { + return broadcast(str.data(), str.size()); + } + +private: + static void newConnEvent(hio_t* connio) { + TcpServerTmpl* server = (TcpServerTmpl*)hevent_userdata(connio); + if (server->connectionNum() >= server->max_connections) { + hlogw("over max_connections"); + hio_close(connio); + return; + } + + // NOTE: attach to worker loop + EventLoop* worker_loop = currentThreadEventLoop; + assert(worker_loop != NULL); + hio_attach(worker_loop->loop(), connio); + + const TSocketChannelPtr& channel = server->addChannel(connio); + channel->status = SocketChannel::CONNECTED; + + channel->onread = [server, &channel](Buffer* buf) { + if (server->onMessage) { + server->onMessage(channel, buf); + } + }; + channel->onwrite = [server, &channel](Buffer* buf) { + if (server->onWriteComplete) { + server->onWriteComplete(channel, buf); + } + }; + channel->onclose = [server, &channel]() { + EventLoop* worker_loop = currentThreadEventLoop; + assert(worker_loop != NULL); + --worker_loop->connectionNum; + + channel->status = SocketChannel::CLOSED; + if (server->onConnection) { + server->onConnection(channel); + } + server->removeChannel(channel); + // NOTE: After removeChannel, channel may be destroyed, + // so in this lambda function, no code should be added below. + }; + + if (server->unpack_setting.mode != UNPACK_MODE_NONE) { + channel->setUnpack(&server->unpack_setting); + } + channel->startRead(); + if (server->onConnection) { + server->onConnection(channel); + } + } + + static void onAccept(hio_t* connio) { + TcpServerTmpl* server = (TcpServerTmpl*)hevent_userdata(connio); + // NOTE: detach from acceptor loop + hio_detach(connio); + EventLoopPtr worker_loop = server->worker_threads.nextLoop(server->load_balance); + if (worker_loop == NULL) { + worker_loop = server->acceptor_thread.loop(); + } + ++worker_loop->connectionNum; + worker_loop->runInLoop(std::bind(&TcpServerTmpl::newConnEvent, connio)); + } + +public: + int listenfd; + bool tls; + unpack_setting_t unpack_setting; + // Callback + std::function onConnection; + std::function onMessage; + // NOTE: Use Channel::isWriteComplete in onWriteComplete callback to determine whether all data has been written. + std::function onWriteComplete; + + uint32_t max_connections; + load_balance_e load_balance; + +private: + // id => TSocketChannelPtr + std::map channels; // GUAREDE_BY(mutex_) + std::mutex mutex_; + + EventLoopThread acceptor_thread; + EventLoopThreadPool worker_threads; +}; + +typedef TcpServerTmpl TcpServer; + +} + +#endif // HV_TCP_SERVER_HPP_ diff --git a/sdk/include/hv/ThreadLocalStorage.h b/sdk/include/hv/ThreadLocalStorage.h new file mode 100644 index 0000000..e4ddaee --- /dev/null +++ b/sdk/include/hv/ThreadLocalStorage.h @@ -0,0 +1,67 @@ +#ifndef HV_THREAD_LOCAL_STORAGE_H_ +#define HV_THREAD_LOCAL_STORAGE_H_ + +#include "hexport.h" +#include "hplatform.h" + +#ifdef OS_WIN + +#define hthread_key_t DWORD +#define INVALID_HTHREAD_KEY 0xFFFFFFFF +#define hthread_key_create(pkey) *pkey = TlsAlloc() +#define hthread_key_delete TlsFree +#define hthread_get_value TlsGetValue +#define hthread_set_value TlsSetValue + +#else + +#define hthread_key_t pthread_key_t +#define INVALID_HTHREAD_KEY 0xFFFFFFFF +#define hthread_key_create(pkey) pthread_key_create(pkey, NULL) +#define hthread_key_delete pthread_key_delete +#define hthread_get_value pthread_getspecific +#define hthread_set_value pthread_setspecific + +#endif + +#ifdef __cplusplus +namespace hv { + +class HV_EXPORT ThreadLocalStorage { +public: + enum { + THREAD_NAME = 0, + EVENT_LOOP = 1, + MAX_NUM = 16, + }; + ThreadLocalStorage() { + hthread_key_create(&key); + } + + ~ThreadLocalStorage() { + hthread_key_delete(key); + } + + void set(void* val) { + hthread_set_value(key, val); + } + + void* get() { + return hthread_get_value(key); + } + + static void set(int idx, void* val); + static void* get(int idx); + + static void setThreadName(const char* name); + static const char* threadName(); + +private: + hthread_key_t key; + static ThreadLocalStorage tls[MAX_NUM]; +}; + +} +#endif + +#endif // HV_THREAD_LOCAL_STORAGE_H_ diff --git a/sdk/include/hv/UdpClient.h b/sdk/include/hv/UdpClient.h new file mode 100644 index 0000000..d38cb9a --- /dev/null +++ b/sdk/include/hv/UdpClient.h @@ -0,0 +1,117 @@ +#ifndef HV_UDP_CLIENT_HPP_ +#define HV_UDP_CLIENT_HPP_ + +#include "hsocket.h" + +#include "EventLoopThread.h" +#include "Channel.h" + +namespace hv { + +template +class UdpClientTmpl { +public: + typedef std::shared_ptr TSocketChannelPtr; + + UdpClientTmpl() { +#if WITH_KCP + enable_kcp = false; +#endif + } + + virtual ~UdpClientTmpl() { + } + + const EventLoopPtr& loop() { + return loop_thread.loop(); + } + + //NOTE: By default, not bind local port. If necessary, you can call system api bind() after createsocket(). + //@retval >=0 sockfd, <0 error + int createsocket(int remote_port, const char* remote_host = "127.0.0.1") { + hio_t* io = hloop_create_udp_client(loop_thread.hloop(), remote_host, remote_port); + if (io == NULL) return -1; + channel.reset(new TSocketChannel(io)); + return channel->fd(); + } + // closesocket thread-safe + void closesocket() { + if (channel) { + channel->close(true); + } + } + + int startRecv() { + assert(channel != NULL); + channel->onread = [this](Buffer* buf) { + if (onMessage) { + onMessage(channel, buf); + } + }; + channel->onwrite = [this](Buffer* buf) { + if (onWriteComplete) { + onWriteComplete(channel, buf); + } + }; +#if WITH_KCP + if (enable_kcp) { + hio_set_kcp(channel->io(), &kcp_setting); + } +#endif + return channel->startRead(); + } + + void start(bool wait_threads_started = true) { + loop_thread.start(wait_threads_started, std::bind(&UdpClientTmpl::startRecv, this)); + } + // stop thread-safe + void stop(bool wait_threads_stopped = true) { + loop_thread.stop(wait_threads_stopped); + } + + // sendto thread-safe + int sendto(const void* data, int size, struct sockaddr* peeraddr = NULL) { + if (channel == NULL) return -1; + std::lock_guard locker(sendto_mutex); + if (peeraddr) hio_set_peeraddr(channel->io(), peeraddr, SOCKADDR_LEN(peeraddr)); + return channel->write(data, size); + } + int sendto(Buffer* buf, struct sockaddr* peeraddr = NULL) { + return sendto(buf->data(), buf->size(), peeraddr); + } + int sendto(const std::string& str, struct sockaddr* peeraddr = NULL) { + return sendto(str.data(), str.size(), peeraddr); + } + +#if WITH_KCP + void setKcp(kcp_setting_t* setting) { + if (setting) { + enable_kcp = true; + kcp_setting = *setting; + } else { + enable_kcp = false; + } + } +#endif + +public: + TSocketChannelPtr channel; +#if WITH_KCP + bool enable_kcp; + kcp_setting_t kcp_setting; +#endif + // Callback + std::function onMessage; + // NOTE: Use Channel::isWriteComplete in onWriteComplete callback to determine whether all data has been written. + std::function onWriteComplete; + +private: + std::mutex sendto_mutex; + EventLoopThread loop_thread; +}; + +typedef UdpClientTmpl UdpClient; + +} + +#endif // HV_UDP_CLIENT_HPP_ diff --git a/sdk/include/hv/UdpServer.h b/sdk/include/hv/UdpServer.h new file mode 100644 index 0000000..e415d09 --- /dev/null +++ b/sdk/include/hv/UdpServer.h @@ -0,0 +1,105 @@ +#ifndef HV_UDP_SERVER_HPP_ +#define HV_UDP_SERVER_HPP_ + +#include "hsocket.h" + +#include "EventLoopThreadPool.h" +#include "Channel.h" + +namespace hv { + +template +class UdpServerTmpl { +public: + typedef std::shared_ptr TSocketChannelPtr; + + UdpServerTmpl() { +#if WITH_KCP + enable_kcp = false; +#endif + } + + virtual ~UdpServerTmpl() { + } + + const EventLoopPtr& loop() { + return loop_thread.loop(); + } + + //@retval >=0 bindfd, <0 error + int createsocket(int port, const char* host = "0.0.0.0") { + hio_t* io = hloop_create_udp_server(loop_thread.hloop(), host, port); + if (io == NULL) return -1; + channel.reset(new TSocketChannel(io)); + return channel->fd(); + } + // closesocket thread-safe + void closesocket() { + if (channel) { + channel->close(true); + } + } + + int startRecv() { + assert(channel != NULL); + channel->onread = [this](Buffer* buf) { + if (onMessage) { + onMessage(channel, buf); + } + }; + channel->onwrite = [this](Buffer* buf) { + if (onWriteComplete) { + onWriteComplete(channel, buf); + } + }; +#if WITH_KCP + if (enable_kcp) { + hio_set_kcp(channel->io(), &kcp_setting); + } +#endif + return channel->startRead(); + } + + void start(bool wait_threads_started = true) { + loop_thread.start(wait_threads_started, std::bind(&UdpServerTmpl::startRecv, this)); + } + // stop thread-safe + void stop(bool wait_threads_stopped = true) { + loop_thread.stop(wait_threads_stopped); + } + + // sendto thread-safe + int sendto(const void* data, int size, struct sockaddr* peeraddr = NULL) { + if (channel == NULL) return -1; + std::lock_guard locker(sendto_mutex); + if (peeraddr) hio_set_peeraddr(channel->io(), peeraddr, SOCKADDR_LEN(peeraddr)); + return channel->write(data, size); + } + int sendto(Buffer* buf, struct sockaddr* peeraddr = NULL) { + return sendto(buf->data(), buf->size(), peeraddr); + } + int sendto(const std::string& str, struct sockaddr* peeraddr = NULL) { + return sendto(str.data(), str.size(), peeraddr); + } + +public: + TSocketChannelPtr channel; +#if WITH_KCP + bool enable_kcp; + kcp_setting_t kcp_setting; +#endif + // Callback + std::function onMessage; + // NOTE: Use Channel::isWriteComplete in onWriteComplete callback to determine whether all data has been written. + std::function onWriteComplete; + +private: + std::mutex sendto_mutex; + EventLoopThread loop_thread; +}; + +typedef UdpServerTmpl UdpServer; + +} + +#endif // HV_UDP_SERVER_HPP_ diff --git a/sdk/include/hv/WebSocketChannel.h b/sdk/include/hv/WebSocketChannel.h new file mode 100644 index 0000000..a89673f --- /dev/null +++ b/sdk/include/hv/WebSocketChannel.h @@ -0,0 +1,111 @@ +#ifndef HV_WEBSOCKET_CHANNEL_H_ +#define HV_WEBSOCKET_CHANNEL_H_ + +#include + +#include "Channel.h" + +#include "wsdef.h" +#include "hmath.h" + +namespace hv { + +class WebSocketChannel : public SocketChannel { +public: + ws_session_type type; + WebSocketChannel(hio_t* io, ws_session_type type = WS_CLIENT) + : SocketChannel(io) + , type(type) + {} + ~WebSocketChannel() {} + + // isConnected, send, close + + int send(const std::string& msg, enum ws_opcode opcode = WS_OPCODE_TEXT, bool fin = true) { + return send(msg.c_str(), msg.size(), opcode, fin); + } + + int send(const char* buf, int len, enum ws_opcode opcode = WS_OPCODE_BINARY, bool fin = true) { + int fragment = 0xFFFF; // 65535 + if (len > fragment) { + return send(buf, len, fragment, opcode); + } + std::lock_guard locker(mutex_); + return sendFrame(buf, len, opcode, fin); + } + + // websocket fragment + // lock -> + // send(p, fragment, opcode, false) -> + // send(p, fragment, WS_OPCODE_CONTINUE, false) -> + // ... -> + // send(p, remain, WS_OPCODE_CONTINUE, true) + // unlock + int send(const char* buf, int len, int fragment, enum ws_opcode opcode = WS_OPCODE_BINARY) { + std::lock_guard locker(mutex_); + if (len <= fragment) { + return sendFrame(buf, len, opcode, true); + } + + // first fragment + int nsend = sendFrame(buf, fragment, opcode, false); + if (nsend < 0) return nsend; + + const char* p = buf + fragment; + int remain = len - fragment; + while (remain > fragment) { + nsend = sendFrame(p, fragment, WS_OPCODE_CONTINUE, false); + if (nsend < 0) return nsend; + p += fragment; + remain -= fragment; + } + + // last fragment + nsend = sendFrame(p, remain, WS_OPCODE_CONTINUE, true); + if (nsend < 0) return nsend; + + return len; + } + + int sendPing() { + std::lock_guard locker(mutex_); + if (type == WS_CLIENT) { + return write(WS_CLIENT_PING_FRAME, WS_CLIENT_MIN_FRAME_SIZE); + } + return write(WS_SERVER_PING_FRAME, WS_SERVER_MIN_FRAME_SIZE); + } + + int sendPong() { + std::lock_guard locker(mutex_); + if (type == WS_CLIENT) { + return write(WS_CLIENT_PONG_FRAME, WS_CLIENT_MIN_FRAME_SIZE); + } + return write(WS_SERVER_PONG_FRAME, WS_SERVER_MIN_FRAME_SIZE); + } + +protected: + int sendFrame(const char* buf, int len, enum ws_opcode opcode = WS_OPCODE_BINARY, bool fin = true) { + bool has_mask = false; + char mask[4] = {0}; + if (type == WS_CLIENT) { + *(int*)mask = rand(); + has_mask = true; + } + int frame_size = ws_calc_frame_size(len, has_mask); + if (sendbuf_.len < frame_size) { + sendbuf_.resize(ceil2e(frame_size)); + } + ws_build_frame(sendbuf_.base, buf, len, mask, has_mask, opcode, fin); + return write(sendbuf_.base, frame_size); + } + +private: + Buffer sendbuf_; + std::mutex mutex_; +}; + +} + +typedef std::shared_ptr WebSocketChannelPtr; + +#endif // HV_WEBSOCKET_CHANNEL_H_ diff --git a/sdk/include/hv/WebSocketClient.h b/sdk/include/hv/WebSocketClient.h new file mode 100644 index 0000000..3a388ea --- /dev/null +++ b/sdk/include/hv/WebSocketClient.h @@ -0,0 +1,59 @@ +#ifndef HV_WEBSOCKET_CLIENT_H_ +#define HV_WEBSOCKET_CLIENT_H_ + +/* + * @demo examples/websocket_client_test.cpp + */ + +#include "hexport.h" + +#include "TcpClient.h" +#include "WebSocketChannel.h" + +#include "HttpParser.h" +#include "WebSocketParser.h" + +namespace hv { + +class HV_EXPORT WebSocketClient : public TcpClientTmpl { +public: + std::string url; + std::function onopen; + std::function onclose; + std::function onmessage; + + WebSocketClient(); + ~WebSocketClient(); + + // url = ws://ip:port/path + // url = wss://ip:port/path + int open(const char* url, const http_headers& headers = DefaultHeaders); + int close(); + int send(const std::string& msg); + int send(const char* buf, int len, enum ws_opcode opcode = WS_OPCODE_BINARY); + + // setConnectTimeout / setPingInterval / setReconnect + void setPingInterval(int ms) { + ping_interval = ms; + } + +private: + enum State { + CONNECTING, + CONNECTED, + WS_UPGRADING, + WS_OPENED, + WS_CLOSED, + } state; + HttpParserPtr http_parser_; + HttpRequestPtr http_req_; + HttpResponsePtr http_resp_; + WebSocketParserPtr ws_parser_; + // ping/pong + int ping_interval; + int ping_cnt; +}; + +} + +#endif // HV_WEBSOCKET_CLIENT_H_ diff --git a/sdk/include/hv/WebSocketParser.h b/sdk/include/hv/WebSocketParser.h new file mode 100644 index 0000000..c551550 --- /dev/null +++ b/sdk/include/hv/WebSocketParser.h @@ -0,0 +1,35 @@ +#ifndef HV_WEBSOCKET_PARSER_H_ +#define HV_WEBSOCKET_PARSER_H_ + +#include "hexport.h" + +#include +#include +#include + +enum websocket_parser_state { + WS_FRAME_BEGIN, + WS_FRAME_HEADER, + WS_FRAME_BODY, + WS_FRAME_END, + WS_FRAME_FIN, +}; + +struct websocket_parser; +class HV_EXPORT WebSocketParser { +public: + websocket_parser* parser; + websocket_parser_state state; + int opcode; + std::string message; + std::function onMessage; + + WebSocketParser(); + ~WebSocketParser(); + + int FeedRecvData(const char* data, size_t len); +}; + +typedef std::shared_ptr WebSocketParserPtr; + +#endif // HV_WEBSOCKET_PARSER_H_ diff --git a/sdk/include/hv/WebSocketServer.h b/sdk/include/hv/WebSocketServer.h new file mode 100644 index 0000000..971b349 --- /dev/null +++ b/sdk/include/hv/WebSocketServer.h @@ -0,0 +1,37 @@ +#ifndef HV_WEBSOCKET_SERVER_H_ +#define HV_WEBSOCKET_SERVER_H_ + +/* + * @demo examples/websocket_server_test.cpp + */ + +#include "HttpServer.h" +#include "WebSocketChannel.h" + +#define websocket_server_t http_server_t +#define websocket_server_run http_server_run +#define websocket_server_stop http_server_stop + +namespace hv { + +struct WebSocketService { + std::function onopen; + std::function onmessage; + std::function onclose; + int ping_interval; + + WebSocketService() { + ping_interval = 10000; // ms + } +}; + +class WebSocketServer : public HttpServer { +public: + void registerWebSocketService(WebSocketService* service) { + this->ws = service; + } +}; + +} + +#endif // HV_WEBSOCKET_SERVER_H_ diff --git a/sdk/include/hv/axios.h b/sdk/include/hv/axios.h new file mode 100644 index 0000000..21cc459 --- /dev/null +++ b/sdk/include/hv/axios.h @@ -0,0 +1,192 @@ +#ifndef HV_AXIOS_H_ + +#include "json.hpp" +#include "requests.h" + +/* + * Inspired by js axios + * + * @code + +#include "axios.h" + +int main() { + const char* strReq = R"( + { + "method": "POST", + "url": "http://127.0.0.1:8080/echo", + "timeout": 10, + "params": { + "page_no": "1", + "page_size": "10" + }, + "headers": { + "Content-Type": "application/json" + }, + "body": { + "app_id": "123456", + "app_secret": "abcdefg" + } + } + )"; + + // sync + auto resp = axios::axios(strReq); + if (resp == NULL) { + printf("request failed!\n"); + } else { + printf("%s\n", resp->body.c_str()); + } + + // async + int finished = 0; + axios::axios(strReq, [&finished](const HttpResponsePtr& resp) { + if (resp == NULL) { + printf("request failed!\n"); + } else { + printf("%s\n", resp->body.c_str()); + } + finished = 1; + }); + + // wait async finished + while (!finished) hv_sleep(1); + return 0; +} + +**/ + +using nlohmann::json; +using requests::Request; +using requests::Response; +using requests::ResponseCallback; + +namespace axios { + +HV_INLINE Request newRequestFromJson(const json& jreq) { + Request req(new HttpRequest); + // url + if (jreq.contains("url")) { + req->url = jreq["url"]; + } + // params + if (jreq.contains("params")) { + req->query_params = jreq["params"].get(); + } + // headers + if (jreq.contains("headers")) { + req->headers = jreq["headers"].get(); + } + // body/data + const char* body_field = nullptr; + if (jreq.contains("body")) { + body_field = "body"; + } else if (jreq.contains("data")) { + body_field = "data"; + } + if (body_field) { + const json& jbody = jreq[body_field]; + if (jbody.is_object() || jbody.is_array()) { + req->json = jbody; + } else if (jbody.is_string()) { + req->body = jbody; + } + } + // method + if (jreq.contains("method")) { + std::string method = jreq["method"]; + req->method = http_method_enum(method.c_str()); + } else if (body_field) { + req->method = HTTP_POST; + } else { + req->method = HTTP_GET; + } + // timeout + if (jreq.contains("timeout")) { + req->timeout = jreq["timeout"]; + } + return req; +} + +HV_INLINE Request newRequestFromJsonString(const char* req_str) { + return newRequestFromJson(json::parse(req_str)); +} + +// sync +HV_INLINE Response axios(const json& jreq, http_method method = HTTP_GET, const char* url = nullptr) { + auto req = newRequestFromJson(jreq); + if (method != HTTP_GET) { + req->method = method; + } + if (url) { + req->url = url; + } + return req ? requests::request(req) : nullptr; +} + +HV_INLINE Response axios(const char* req_str, http_method method = HTTP_GET, const char* url = nullptr) { + return req_str ? axios(json::parse(req_str), method, url) + : requests::request(method, url); +} + +HV_INLINE Response head(const char* url, const json& jreq) { + return axios(jreq, HTTP_HEAD, url); +} + +HV_INLINE Response head(const char* url, const char* req_str = nullptr) { + return axios(req_str, HTTP_HEAD, url); +} + +HV_INLINE Response get(const char* url, const json& jreq) { + return axios(jreq, HTTP_GET, url); +} + +HV_INLINE Response get(const char* url, const char* req_str = nullptr) { + return axios(req_str, HTTP_GET, url); +} + +HV_INLINE Response post(const char* url, const json& jreq) { + return axios(jreq, HTTP_POST, url); +} + +HV_INLINE Response post(const char* url, const char* req_str = nullptr) { + return axios(req_str, HTTP_POST, url); +} + +HV_INLINE Response put(const char* url, const json& jreq) { + return axios(jreq, HTTP_PUT, url); +} + +HV_INLINE Response put(const char* url, const char* req_str = nullptr) { + return axios(req_str, HTTP_PUT, url); +} + +HV_INLINE Response patch(const char* url, const json& jreq) { + return axios(jreq, HTTP_PATCH, url); +} + +HV_INLINE Response patch(const char* url, const char* req_str = nullptr) { + return axios(req_str, HTTP_PATCH, url); +} + +HV_INLINE Response Delete(const char* url, const json& jreq) { + return axios(jreq, HTTP_DELETE, url); +} + +HV_INLINE Response Delete(const char* url, const char* req_str = nullptr) { + return axios(req_str, HTTP_DELETE, url); +} + +// async +HV_INLINE int axios(const json& jreq, ResponseCallback resp_cb) { + auto req = newRequestFromJson(jreq); + return req ? requests::async(req, std::move(resp_cb)) : -1; +} + +HV_INLINE int axios(const char* req_str, ResponseCallback resp_cb) { + return axios(json::parse(req_str), std::move(resp_cb)); +} + +} + +#endif // HV_AXIOS_H_ diff --git a/sdk/include/hv/base64.h b/sdk/include/hv/base64.h new file mode 100644 index 0000000..ed24c0a --- /dev/null +++ b/sdk/include/hv/base64.h @@ -0,0 +1,46 @@ +#ifndef HV_BASE64_H_ +#define HV_BASE64_H_ + +#include "hexport.h" + +#define BASE64_ENCODE_OUT_SIZE(s) (((s) + 2) / 3 * 4) +#define BASE64_DECODE_OUT_SIZE(s) (((s)) / 4 * 3) + +BEGIN_EXTERN_C + +// @return encoded size +HV_EXPORT int hv_base64_encode(const unsigned char *in, unsigned int inlen, char *out); + +// @return decoded size +HV_EXPORT int hv_base64_decode(const char *in, unsigned int inlen, unsigned char *out); + +END_EXTERN_C + +#ifdef __cplusplus + +#include +#include + +namespace hv { + +HV_INLINE std::string Base64Encode(const unsigned char* data, unsigned int len) { + int encoded_size = BASE64_ENCODE_OUT_SIZE(len); + std::string encoded_str(encoded_size + 1, 0); + encoded_size = hv_base64_encode(data, len, (char*)encoded_str.data()); + encoded_str.resize(encoded_size); + return encoded_str; +} + +HV_INLINE std::string Base64Decode(const char* str, unsigned int len = 0) { + if (len == 0) len = strlen(str); + int decoded_size = BASE64_DECODE_OUT_SIZE(len); + std::string decoded_buf(decoded_size + 1, 0); + decoded_size = hv_base64_decode(str, len, (unsigned char*)decoded_buf.data()); + decoded_buf.resize(decoded_size); + return decoded_buf; +} + +} +#endif + +#endif // HV_BASE64_H_ diff --git a/sdk/include/hv/dns.h b/sdk/include/hv/dns.h new file mode 100644 index 0000000..2bb9d43 --- /dev/null +++ b/sdk/include/hv/dns.h @@ -0,0 +1,105 @@ +#ifndef HV_DNS_H_ +#define HV_DNS_H_ + +#include "hexport.h" +#include "hplatform.h" + +#define DNS_PORT 53 + +#define DNS_QUERY 0 +#define DNS_RESPONSE 1 + +#define DNS_TYPE_A 1 // ipv4 +#define DNS_TYPE_NS 2 +#define DNS_TYPE_CNAME 5 +#define DNS_TYPE_SOA 6 +#define DNS_TYPE_WKS 11 +#define DNS_TYPE_PTR 12 +#define DNS_TYPE_HINFO 13 +#define DNS_TYPE_MX 15 +#define DNS_TYPE_AAAA 28 // ipv6 +#define DNS_TYPE_AXFR 252 +#define DNS_TYPE_ANY 255 + +#define DNS_CLASS_IN 1 + +#define DNS_NAME_MAXLEN 256 + +// sizeof(dnshdr_t) = 12 +typedef struct dnshdr_s { + uint16_t transaction_id; + // flags +#if BYTE_ORDER == LITTLE_ENDIAN + uint8_t rd:1; + uint8_t tc:1; + uint8_t aa:1; + uint8_t opcode:4; + uint8_t qr:1; + + uint8_t rcode:4; + uint8_t cd:1; + uint8_t ad:1; + uint8_t res:1; + uint8_t ra:1; +#elif BYTE_ORDER == BIG_ENDIAN + uint8_t qr:1; // DNS_QUERY or DNS_RESPONSE + uint8_t opcode:4; + uint8_t aa:1; // authoritative + uint8_t tc:1; // truncated + uint8_t rd:1; // recursion desired + + uint8_t ra:1; // recursion available + uint8_t res:1; // reserved + uint8_t ad:1; // authenticated data + uint8_t cd:1; // checking disable + uint8_t rcode:4; +#else +#error "BYTE_ORDER undefined!" +#endif + uint16_t nquestion; + uint16_t nanswer; + uint16_t nauthority; + uint16_t naddtional; +} dnshdr_t; + +typedef struct dns_rr_s { + char name[DNS_NAME_MAXLEN]; // original domain, such as www.example.com + uint16_t rtype; + uint16_t rclass; + uint32_t ttl; + uint16_t datalen; + char* data; +} dns_rr_t; + +typedef struct dns_s { + dnshdr_t hdr; + dns_rr_t* questions; + dns_rr_t* answers; + dns_rr_t* authorities; + dns_rr_t* addtionals; +} dns_t; + +BEGIN_EXTERN_C + +// www.example.com => 3www7example3com +HV_EXPORT int dns_name_encode(const char* domain, char* buf); +// 3www7example3com => www.example.com +HV_EXPORT int dns_name_decode(const char* buf, char* domain); + +HV_EXPORT int dns_rr_pack(dns_rr_t* rr, char* buf, int len); +HV_EXPORT int dns_rr_unpack(char* buf, int len, dns_rr_t* rr, int is_question); + +HV_EXPORT int dns_pack(dns_t* dns, char* buf, int len); +HV_EXPORT int dns_unpack(char* buf, int len, dns_t* dns); +// NOTE: free dns->rrs +HV_EXPORT void dns_free(dns_t* dns); + +// dns_pack -> sendto -> recvfrom -> dns_unpack +HV_EXPORT int dns_query(dns_t* query, dns_t* response, const char* nameserver DEFAULT("127.0.1.1")); + +// domain -> dns_t query; -> dns_query -> dns_t response; -> addrs +HV_EXPORT int nslookup(const char* domain, uint32_t* addrs, int naddr, const char* nameserver DEFAULT("127.0.1.1")); + +END_EXTERN_C + +#endif // HV_DNS_H_ diff --git a/sdk/include/hv/ftp.h b/sdk/include/hv/ftp.h new file mode 100644 index 0000000..d1b60ca --- /dev/null +++ b/sdk/include/hv/ftp.h @@ -0,0 +1,96 @@ +#ifndef HV_FTP_H_ +#define HV_FTP_H_ + +#include "hexport.h" + +#define FTP_COMMAND_PORT 21 +#define FTP_DATA_PORT 20 + +// ftp_command +// X(name) +#define FTP_COMMAND_MAP(X) \ + X(HELP) \ + X(USER) \ + X(PASS) \ + X(PWD) \ + X(CWD) \ + X(CDUP) \ + X(MKD) \ + X(RMD) \ + X(STAT) \ + X(SIZE) \ + X(DELE) \ + X(RNFR) \ + X(RNTO) \ + X(PORT) \ + X(PASV) \ + X(LIST) \ + X(NLST) \ + X(APPE) \ + X(RETR) \ + X(STOR) \ + X(QUIT) \ + +enum ftp_command { +#define X(name) FTP_##name, + FTP_COMMAND_MAP(X) +#undef X +}; + +// ftp_status +// XXX(code, name, string) +#define FTP_STATUS_MAP(XXX) \ + XXX(220, READY, Ready) \ + XXX(221, BYE, Bye) \ + XXX(226, TRANSFER_COMPLETE, Transfer complete) \ + XXX(227, PASV, Entering Passive Mode) \ + XXX(331, PASS, Password required) \ + XXX(230, LOGIN_OK, Login OK) \ + XXX(250, OK, OK) \ + XXX(500, BAD_SYNTAX, Bad syntax) \ + XXX(530, NOT_LOGIN, Not login) \ + +enum ftp_status { +#define XXX(code, name, string) FTP_STATUS_##name = code, + FTP_STATUS_MAP(XXX) +#undef XXX +}; + +// more friendly macros +#define FTP_MKDIR FTP_MKD +#define FTP_RMDIR FTP_RMD +#define FTP_APPEND FTP_APPE +#define FTP_REMOVE FTP_DELE +#define FTP_DOWNLOAD FTP_RETR +#define FTP_UPLOAD FTP_STOR + +#define FTP_RECV_BUFSIZE 8192 + +typedef struct ftp_handle_s { + int sockfd; + char recvbuf[FTP_RECV_BUFSIZE]; + void* userdata; +} ftp_handle_t; + +BEGIN_EXTERN_C + +HV_EXPORT const char* ftp_command_str(enum ftp_command cmd); +HV_EXPORT const char* ftp_status_str(enum ftp_status status); + +HV_EXPORT int ftp_connect(ftp_handle_t* hftp, const char* host, int port); +HV_EXPORT int ftp_login(ftp_handle_t* hftp, const char* username, const char* password); +HV_EXPORT int ftp_quit(ftp_handle_t* hftp); + +HV_EXPORT int ftp_exec(ftp_handle_t* hftp, const char* cmd, const char* param); + +// local => remote +HV_EXPORT int ftp_upload(ftp_handle_t* hftp, const char* local_filepath, const char* remote_filepath); +// remote => local +HV_EXPORT int ftp_download(ftp_handle_t* hftp, const char* remote_filepath, const char* local_filepath); + +typedef int (*ftp_download_cb)(ftp_handle_t* hftp, char* buf, int len); +HV_EXPORT int ftp_download_with_cb(ftp_handle_t* hftp, const char* filepath, ftp_download_cb cb); + +END_EXTERN_C + +#endif // HV_FTP_H_ diff --git a/sdk/include/hv/hasync.h b/sdk/include/hv/hasync.h new file mode 100644 index 0000000..c1ea03d --- /dev/null +++ b/sdk/include/hv/hasync.h @@ -0,0 +1,49 @@ +#ifndef HV_ASYNC_H_ +#define HV_ASYNC_H_ + +#include "hexport.h" +#include "hthreadpool.h" +#include "singleton.h" + +namespace hv { + +class HV_EXPORT GlobalThreadPool : public HThreadPool { + SINGLETON_DECL(GlobalThreadPool) +protected: + GlobalThreadPool() : HThreadPool() {} + ~GlobalThreadPool() {} +}; + +/* + * return a future, calling future.get() will wait task done and return RetType. + * async(fn, args...) + * async(std::bind(&Class::mem_fn, &obj)) + * async(std::mem_fn(&Class::mem_fn, &obj)) + * + */ +template +auto async(Fn&& fn, Args&&... args) -> std::future { + return GlobalThreadPool::instance()->commit(std::forward(fn), std::forward(args)...); +} + +class async { +public: + static void startup(int min_threads = DEFAULT_THREAD_POOL_MIN_THREAD_NUM, + int max_threads = DEFAULT_THREAD_POOL_MAX_THREAD_NUM, + int max_idle_ms = DEFAULT_THREAD_POOL_MAX_IDLE_TIME) { + GlobalThreadPool* gtp = GlobalThreadPool::instance(); + if (gtp->isStarted()) return; + gtp->setMinThreadNum(min_threads); + gtp->setMaxThreadNum(max_threads); + gtp->setMaxIdleTime(max_idle_ms); + gtp->start(); + } + + static void cleanup() { + GlobalThreadPool::exitInstance(); + } +}; + +} // end namespace hv + +#endif // HV_ASYNC_H_ diff --git a/sdk/include/hv/hatomic.h b/sdk/include/hv/hatomic.h new file mode 100644 index 0000000..4f986fc --- /dev/null +++ b/sdk/include/hv/hatomic.h @@ -0,0 +1,124 @@ +#ifndef HV_ATOMIC_H_ +#define HV_ATOMIC_H_ + +#ifdef __cplusplus + +// c++11 +#include + +using std::atomic_flag; +using std::atomic_long; + +#define ATOMIC_FLAG_TEST_AND_SET(p) ((p)->test_and_set()) +#define ATOMIC_FLAG_CLEAR(p) ((p)->clear()) + +#else + +#include "hplatform.h" // for HAVE_STDATOMIC_H +#if HAVE_STDATOMIC_H + +// c11 +#include + +#define ATOMIC_FLAG_TEST_AND_SET atomic_flag_test_and_set +#define ATOMIC_FLAG_CLEAR atomic_flag_clear +#define ATOMIC_ADD atomic_fetch_add +#define ATOMIC_SUB atomic_fetch_sub +#define ATOMIC_INC(p) ATOMIC_ADD(p, 1) +#define ATOMIC_DEC(p) ATOMIC_SUB(p, 1) + +#else + +typedef volatile bool atomic_bool; +typedef volatile char atomic_char; +typedef volatile unsigned char atomic_uchar; +typedef volatile short atomic_short; +typedef volatile unsigned short atomic_ushort; +typedef volatile int atomic_int; +typedef volatile unsigned int atomic_uint; +typedef volatile long atomic_long; +typedef volatile unsigned long atomic_ulong; +typedef volatile long long atomic_llong; +typedef volatile unsigned long long atomic_ullong; +typedef volatile size_t atomic_size_t; + +typedef struct atomic_flag { atomic_bool _Value; } atomic_flag; + +#ifdef _WIN32 + +#define ATOMIC_ADD InterlockedAdd +#define ATOMIC_SUB(p, n) InterlockedAdd(p, -n) +#define ATOMIC_INC InterlockedIncrement +#define ATOMIC_DEC InterlockedDecrement + +#elif defined(__GNUC__) + +#define ATOMIC_FLAG_TEST_AND_SET atomic_flag_test_and_set +static inline bool atomic_flag_test_and_set(atomic_flag* p) { + return !__sync_bool_compare_and_swap(&p->_Value, 0, 1); +} + +#define ATOMIC_ADD __sync_fetch_and_add +#define ATOMIC_SUB __sync_fetch_and_sub +#define ATOMIC_INC(p) ATOMIC_ADD(p, 1) +#define ATOMIC_DEC(p) ATOMIC_SUB(p, 1) + +#endif + +#endif // HAVE_STDATOMIC_H + +#endif // __cplusplus + +#ifndef ATOMIC_FLAG_INIT +#define ATOMIC_FLAG_INIT { 0 } +#endif + +#ifndef ATOMIC_VAR_INIT +#define ATOMIC_VAR_INIT(value) (value) +#endif + +#ifndef ATOMIC_FLAG_TEST_AND_SET +#define ATOMIC_FLAG_TEST_AND_SET atomic_flag_test_and_set +static inline bool atomic_flag_test_and_set(atomic_flag* p) { + bool ret = p->_Value; + p->_Value = 1; + return ret; +} +#endif + +#ifndef ATOMIC_FLAG_CLEAR +#define ATOMIC_FLAG_CLEAR atomic_flag_clear +static inline void atomic_flag_clear(atomic_flag* p) { + p->_Value = 0; +} +#endif + +#ifndef ATOMIC_ADD +#define ATOMIC_ADD(p, n) (*(p) += (n)) +#endif + +#ifndef ATOMIC_SUB +#define ATOMIC_SUB(p, n) (*(p) -= (n)) +#endif + +#ifndef ATOMIC_INC +#define ATOMIC_INC(p) ((*(p))++) +#endif + +#ifndef ATOMIC_DEC +#define ATOMIC_DEC(p) ((*(p))--) +#endif + +typedef atomic_flag hatomic_flag_t; +#define HATOMIC_FLAG_INIT ATOMIC_FLAG_INIT +#define hatomic_flag_test_and_set ATOMIC_FLAG_TEST_AND_SET +#define hatomic_flag_clear ATOMIC_FLAG_CLEAR + +typedef atomic_long hatomic_t; +#define HATOMIC_VAR_INIT ATOMIC_VAR_INIT +#define hatomic_add ATOMIC_ADD +#define hatomic_sub ATOMIC_SUB +#define hatomic_inc ATOMIC_INC +#define hatomic_dec ATOMIC_DEC + +#endif // HV_ATOMIC_H_ diff --git a/sdk/include/hv/hbase.h b/sdk/include/hv/hbase.h new file mode 100644 index 0000000..babd6a6 --- /dev/null +++ b/sdk/include/hv/hbase.h @@ -0,0 +1,143 @@ +#ifndef HV_BASE_H_ +#define HV_BASE_H_ + +#include "hexport.h" +#include "hplatform.h" // for bool +#include "hdef.h" // for printd + +BEGIN_EXTERN_C + +//--------------------alloc/free--------------------------- +HV_EXPORT void* hv_malloc(size_t size); +HV_EXPORT void* hv_realloc(void* oldptr, size_t newsize, size_t oldsize); +HV_EXPORT void* hv_calloc(size_t nmemb, size_t size); +HV_EXPORT void* hv_zalloc(size_t size); +HV_EXPORT void hv_free(void* ptr); + +#define HV_ALLOC(ptr, size)\ + do {\ + *(void**)&(ptr) = hv_zalloc(size);\ + printd("alloc(%p, size=%llu)\tat [%s:%d:%s]\n", ptr, (unsigned long long)size, __FILE__, __LINE__, __FUNCTION__);\ + } while(0) + +#define HV_ALLOC_SIZEOF(ptr) HV_ALLOC(ptr, sizeof(*(ptr))) + +#define HV_FREE(ptr)\ + do {\ + if (ptr) {\ + hv_free(ptr);\ + printd("free( %p )\tat [%s:%d:%s]\n", ptr, __FILE__, __LINE__, __FUNCTION__);\ + ptr = NULL;\ + }\ + } while(0) + +#define STACK_OR_HEAP_ALLOC(ptr, size, stack_size)\ + unsigned char _stackbuf_[stack_size] = { 0 };\ + if ((size) > (stack_size)) {\ + HV_ALLOC(ptr, size);\ + } else {\ + *(unsigned char**)&(ptr) = _stackbuf_;\ + } + +#define STACK_OR_HEAP_FREE(ptr)\ + if ((unsigned char*)(ptr) != _stackbuf_) {\ + HV_FREE(ptr);\ + } + +#define HV_DEFAULT_STACKBUF_SIZE 1024 +#define HV_STACK_ALLOC(ptr, size) STACK_OR_HEAP_ALLOC(ptr, size, HV_DEFAULT_STACKBUF_SIZE) +#define HV_STACK_FREE(ptr) STACK_OR_HEAP_FREE(ptr) + +HV_EXPORT long hv_alloc_cnt(); +HV_EXPORT long hv_free_cnt(); +HV_INLINE void hv_memcheck() { + printf("Memcheck => alloc:%ld free:%ld\n", hv_alloc_cnt(), hv_free_cnt()); +} +#define HV_MEMCHECK atexit(hv_memcheck); + +//--------------------string------------------------------- +HV_EXPORT char* hv_strupper(char* str); +HV_EXPORT char* hv_strlower(char* str); +HV_EXPORT char* hv_strreverse(char* str); + +HV_EXPORT bool hv_strstartswith(const char* str, const char* start); +HV_EXPORT bool hv_strendswith(const char* str, const char* end); +HV_EXPORT bool hv_strcontains(const char* str, const char* sub); + +// strncpy n = sizeof(dest_buf)-1 +// hv_strncpy n = sizeof(dest_buf) +HV_EXPORT char* hv_strncpy(char* dest, const char* src, size_t n); + +// strncat n = sizeof(dest_buf)-1-strlen(dest) +// hv_strncpy n = sizeof(dest_buf) +HV_EXPORT char* hv_strncat(char* dest, const char* src, size_t n); + +#if !HAVE_STRLCPY +#define strlcpy hv_strncpy +#endif + +#if !HAVE_STRLCAT +#define strlcat hv_strncat +#endif + +HV_EXPORT char* hv_strnchr(const char* s, char c, size_t n); + +#define hv_strrchr_dot(str) strrchr(str, '.') +HV_EXPORT char* hv_strrchr_dir(const char* filepath); + +// basename +HV_EXPORT const char* hv_basename(const char* filepath); +HV_EXPORT const char* hv_suffixname(const char* filename); +// mkdir -p +HV_EXPORT int hv_mkdir_p(const char* dir); +// rmdir -p +HV_EXPORT int hv_rmdir_p(const char* dir); +// path +HV_EXPORT bool hv_exists(const char* path); +HV_EXPORT bool hv_isdir(const char* path); +HV_EXPORT bool hv_isfile(const char* path); +HV_EXPORT bool hv_islink(const char* path); +HV_EXPORT size_t hv_filesize(const char* filepath); + +HV_EXPORT char* get_executable_path(char* buf, int size); +HV_EXPORT char* get_executable_dir(char* buf, int size); +HV_EXPORT char* get_executable_file(char* buf, int size); +HV_EXPORT char* get_run_dir(char* buf, int size); + +// random +HV_EXPORT int hv_rand(int min, int max); +HV_EXPORT char* hv_random_string(char *buf, int len); + +// 1 y on yes true enable => true +HV_EXPORT bool hv_getboolean(const char* str); +// 1T2G3M4K5B => ?B +HV_EXPORT size_t hv_parse_size(const char* str); +// 1w2d3h4m5s => ?s +HV_EXPORT time_t hv_parse_time(const char* str); + +// scheme:[//[user[:password]@]host[:port]][/path][?query][#fragment] +typedef enum { + HV_URL_SCHEME, + HV_URL_USERNAME, + HV_URL_PASSWORD, + HV_URL_HOST, + HV_URL_PORT, + HV_URL_PATH, + HV_URL_QUERY, + HV_URL_FRAGMENT, + HV_URL_FIELD_NUM, +} hurl_field_e; + +typedef struct hurl_s { + struct { + unsigned short off; + unsigned short len; + } fields[HV_URL_FIELD_NUM]; + unsigned short port; +} hurl_t; + +HV_EXPORT int hv_parse_url(hurl_t* stURL, const char* strURL); + +END_EXTERN_C + +#endif // HV_BASE_H_ diff --git a/sdk/include/hv/hbuf.h b/sdk/include/hv/hbuf.h new file mode 100644 index 0000000..903e164 --- /dev/null +++ b/sdk/include/hv/hbuf.h @@ -0,0 +1,257 @@ +#ifndef HV_BUF_H_ +#define HV_BUF_H_ + +#include "hdef.h" // for MAX +#include "hbase.h" // for HV_ALLOC, HV_FREE + +typedef struct hbuf_s { + char* base; + size_t len; + +#ifdef __cplusplus + hbuf_s() { + base = NULL; + len = 0; + } + + hbuf_s(void* data, size_t len) { + this->base = (char*)data; + this->len = len; + } +#endif +} hbuf_t; + +typedef struct offset_buf_s { + char* base; + size_t len; + size_t offset; +#ifdef __cplusplus + offset_buf_s() { + base = NULL; + len = 0; + offset = 0; + } + + offset_buf_s(void* data, size_t len) { + this->base = (char*)data; + this->len = len; + offset = 0; + } +#endif +} offset_buf_t; + +typedef struct fifo_buf_s { + char* base; + size_t len; + size_t head; + size_t tail; +#ifdef __cplusplus + fifo_buf_s() { + base = NULL; + len = 0; + head = tail = 0; + } + + fifo_buf_s(void* data, size_t len) { + this->base = (char*)data; + this->len = len; + head = tail = 0; + } +#endif +} fifo_buf_t; + +#ifdef __cplusplus +class HBuf : public hbuf_t { +public: + HBuf() : hbuf_t() { + cleanup_ = false; + } + HBuf(void* data, size_t len) : hbuf_t(data, len) { + cleanup_ = false; + } + HBuf(size_t cap) { resize(cap); } + + virtual ~HBuf() { + cleanup(); + } + + void* data() { return base; } + size_t size() { return len; } + + bool isNull() { return base == NULL || len == 0; } + + void cleanup() { + if (cleanup_) { + HV_FREE(base); + len = 0; + cleanup_ = false; + } + } + + void resize(size_t cap) { + if (cap == len) return; + + if (base == NULL) { + HV_ALLOC(base, cap); + } + else { + base = (char*)hv_realloc(base, cap, len); + } + len = cap; + cleanup_ = true; + } + + void copy(void* data, size_t len) { + resize(len); + memcpy(base, data, len); + } + + void copy(hbuf_t* buf) { + copy(buf->base, buf->len); + } + +private: + bool cleanup_; +}; + +// VL: Variable-Length +class HVLBuf : public HBuf { +public: + HVLBuf() : HBuf() {_offset = _size = 0;} + HVLBuf(void* data, size_t len) : HBuf(data, len) {_offset = 0; _size = len;} + HVLBuf(size_t cap) : HBuf(cap) {_offset = _size = 0;} + virtual ~HVLBuf() {} + + char* data() { return base + _offset; } + size_t size() { return _size; } + + void push_front(void* ptr, size_t len) { + if (len > this->len - _size) { + size_t newsize = MAX(this->len, len)*2; + resize(newsize); + } + + if (_offset < len) { + // move => end + memmove(base+this->len-_size, data(), _size); + _offset = this->len-_size; + } + + memcpy(data()-len, ptr, len); + _offset -= len; + _size += len; + } + + void push_back(void* ptr, size_t len) { + if (len > this->len - _size) { + size_t newsize = MAX(this->len, len)*2; + resize(newsize); + } + else if (len > this->len - _offset - _size) { + // move => start + memmove(base, data(), _size); + _offset = 0; + } + memcpy(data()+_size, ptr, len); + _size += len; + } + + void pop_front(void* ptr, size_t len) { + if (len <= _size) { + if (ptr) { + memcpy(ptr, data(), len); + } + _offset += len; + if (_offset >= this->len) _offset = 0; + _size -= len; + } + } + + void pop_back(void* ptr, size_t len) { + if (len <= _size) { + if (ptr) { + memcpy(ptr, data()+_size-len, len); + } + _size -= len; + } + } + + void clear() { + _offset = _size = 0; + } + + void prepend(void* ptr, size_t len) { + push_front(ptr, len); + } + + void append(void* ptr, size_t len) { + push_back(ptr, len); + } + + void insert(void* ptr, size_t len) { + push_back(ptr, len); + } + + void remove(size_t len) { + pop_front(NULL, len); + } + +private: + size_t _offset; + size_t _size; +}; + +class HRingBuf : public HBuf { +public: + HRingBuf() : HBuf() {_head = _tail = _size = 0;} + HRingBuf(size_t cap) : HBuf(cap) {_head = _tail = _size = 0;} + virtual ~HRingBuf() {} + + char* alloc(size_t len) { + char* ret = NULL; + if (_head < _tail || _size == 0) { + // [_tail, this->len) && [0, _head) + if (this->len - _tail >= len) { + ret = base + _tail; + _tail += len; + if (_tail == this->len) _tail = 0; + } + else if (_head >= len) { + ret = base; + _tail = len; + } + } + else { + // [_tail, _head) + if (_head - _tail >= len) { + ret = base + _tail; + _tail += len; + } + } + _size += ret ? len : 0; + return ret; + } + + void free(size_t len) { + _size -= len; + if (len <= this->len - _head) { + _head += len; + if (_head == this->len) _head = 0; + } + else { + _head = len; + } + } + + void clear() {_head = _tail = _size = 0;} + + size_t size() {return _size;} + +private: + size_t _head; + size_t _tail; + size_t _size; +}; +#endif + +#endif // HV_BUF_H_ diff --git a/sdk/include/hv/hconfig.h b/sdk/include/hv/hconfig.h new file mode 100644 index 0000000..247d434 --- /dev/null +++ b/sdk/include/hv/hconfig.h @@ -0,0 +1,101 @@ +#ifndef HV_CONFIG_H_ +#define HV_CONFIG_H_ + +#ifndef HAVE_STDBOOL_H +#define HAVE_STDBOOL_H 1 +#endif + +#ifndef HAVE_STDINT_H +#define HAVE_STDINT_H 1 +#endif + +#ifndef HAVE_STDATOMIC_H +#define HAVE_STDATOMIC_H 0 +#endif + +#ifndef HAVE_SYS_TYPES_H +#define HAVE_SYS_TYPES_H 1 +#endif + +#ifndef HAVE_SYS_STAT_H +#define HAVE_SYS_STAT_H 1 +#endif + +#ifndef HAVE_SYS_TIME_H +#define HAVE_SYS_TIME_H 0 +#endif + +#ifndef HAVE_FCNTL_H +#define HAVE_FCNTL_H 1 +#endif + +#ifndef HAVE_PTHREAD_H +#define HAVE_PTHREAD_H 0 +#endif + +#ifndef HAVE_ENDIAN_H +#define HAVE_ENDIAN_H 0 +#endif + +#ifndef HAVE_SYS_ENDIAN_H +#define HAVE_SYS_ENDIAN_H 0 +#endif + +#ifndef HAVE_GETTID +#define HAVE_GETTID 0 +#endif + +#ifndef HAVE_STRLCPY +#define HAVE_STRLCPY 0 +#endif + +#ifndef HAVE_STRLCAT +#define HAVE_STRLCAT 0 +#endif + +#ifndef HAVE_CLOCK_GETTIME +#define HAVE_CLOCK_GETTIME 0 +#endif + +#ifndef HAVE_GETTIMEOFDAY +#define HAVE_GETTIMEOFDAY 0 +#endif + +#ifndef HAVE_PTHREAD_SPIN_LOCK +#define HAVE_PTHREAD_SPIN_LOCK 0 +#endif + +#ifndef HAVE_PTHREAD_MUTEX_TIMEDLOCK +#define HAVE_PTHREAD_MUTEX_TIMEDLOCK 0 +#endif + +#ifndef HAVE_SEM_TIMEDWAIT +#define HAVE_SEM_TIMEDWAIT 0 +#endif + +#ifndef HAVE_PIPE +#define HAVE_PIPE 0 +#endif + +#ifndef HAVE_SOCKETPAIR +#define HAVE_SOCKETPAIR 0 +#endif + +#ifndef HAVE_EVENTFD +#define HAVE_EVENTFD 0 +#endif + +#ifndef HAVE_SETPROCTITLE +#define HAVE_SETPROCTITLE 0 +#endif + +#define WITH_OPENSSL 1 +/* #undef WITH_GNUTLS */ +/* #undef WITH_MBEDTLS */ + +/* #undef ENABLE_UDS */ +/* #undef USE_MULTIMAP */ + +/* #undef WITH_KCP */ + +#endif // HV_CONFIG_H_ diff --git a/sdk/include/hv/hdef.h b/sdk/include/hv/hdef.h new file mode 100644 index 0000000..4f61dce --- /dev/null +++ b/sdk/include/hv/hdef.h @@ -0,0 +1,270 @@ +#ifndef HV_DEF_H_ +#define HV_DEF_H_ + +#include "hplatform.h" + +#ifndef ABS +#define ABS(n) ((n) > 0 ? (n) : -(n)) +#endif + +#ifndef NABS +#define NABS(n) ((n) < 0 ? (n) : -(n)) +#endif + +#ifndef ARRAY_SIZE +#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a))) +#endif + +#ifndef BITSET +#define BITSET(p, n) (*(p) |= (1u << (n))) +#endif + +#ifndef BITCLR +#define BITCLR(p, n) (*(p) &= ~(1u << (n))) +#endif + +#ifndef BITGET +#define BITGET(i, n) ((i) & (1u << (n))) +#endif + +/* +#ifndef CR +#define CR '\r' +#endif + +#ifndef LF +#define LF '\n' +#endif + +#ifndef CRLF +#define CRLF "\r\n" +#endif +*/ + +#define FLOAT_PRECISION 1e-6 +#define FLOAT_EQUAL_ZERO(f) (ABS(f) < FLOAT_PRECISION) + +#ifndef INFINITE +#define INFINITE (uint32_t)-1 +#endif + +/* +ASCII: +[0, 0x20) control-charaters +[0x20, 0x7F) printable-charaters + +0x0A => LF +0x0D => CR +0x20 => SPACE +0x7F => DEL + +[0x09, 0x0D] => \t\n\v\f\r +[0x30, 0x39] => 0~9 +[0x41, 0x5A] => A~Z +[0x61, 0x7A] => a~z +*/ + +#ifndef IS_ALPHA +#define IS_ALPHA(c) (((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z')) +#endif + +#ifndef IS_NUM +#define IS_NUM(c) ((c) >= '0' && (c) <= '9') +#endif + +#ifndef IS_ALPHANUM +#define IS_ALPHANUM(c) (IS_ALPHA(c) || IS_NUM(c)) +#endif + +#ifndef IS_CNTRL +#define IS_CNTRL(c) ((c) >= 0 && (c) < 0x20) +#endif + +#ifndef IS_GRAPH +#define IS_GRAPH(c) ((c) >= 0x20 && (c) < 0x7F) +#endif + +#ifndef IS_HEX +#define IS_HEX(c) (IS_NUM(c) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F')) +#endif + +#ifndef IS_LOWER +#define IS_LOWER(c) (((c) >= 'a' && (c) <= 'z')) +#endif + +#ifndef IS_UPPER +#define IS_UPPER(c) (((c) >= 'A' && (c) <= 'Z')) +#endif + +#ifndef LOWER +#define LOWER(c) ((c) | 0x20) +#endif + +#ifndef UPPER +#define UPPER(c) ((c) & ~0x20) +#endif + +// LD, LU, LLD, LLU for explicit conversion of integer +// #ifndef LD +// #define LD(v) ((long)(v)) +// #endif + +// #ifndef LU +// #define LU(v) ((unsigned long)(v)) +// #endif + +#ifndef LLD +#define LLD(v) ((long long)(v)) +#endif + +#ifndef LLU +#define LLU(v) ((unsigned long long)(v)) +#endif + +#ifndef _WIN32 + +// MAKEWORD, HIBYTE, LOBYTE +#ifndef MAKEWORD +#define MAKEWORD(h, l) ( (((WORD)h) << 8) | (l & 0xff) ) +#endif + +#ifndef HIBYTE +#define HIBYTE(w) ( (BYTE)(((WORD)w) >> 8) ) +#endif + +#ifndef LOBYTE +#define LOBYTE(w) ( (BYTE)(w & 0xff) ) +#endif + +// MAKELONG, HIWORD, LOWORD +#ifndef MAKELONG +#define MAKELONG(h, l) ( ((int32_t)h) << 16 | (l & 0xffff) ) +#endif + +#ifndef HIWORD +#define HIWORD(n) ( (WORD)(((int32_t)n) >> 16) ) +#endif + +#ifndef LOWORD +#define LOWORD(n) ( (WORD)(n & 0xffff) ) +#endif + +#endif // _WIN32 + +// MAKEINT64, HIINT, LOINT +#ifndef MAKEINT64 +#define MAKEINT64(h, l) ( ((int64_t)h) << 32 | (l & 0xffffffff) ) +#endif + +#ifndef HIINT +#define HIINT(n) ( (int32_t)(((int64_t)n) >> 32) ) +#endif + +#ifndef LOINT +#define LOINT(n) ( (int32_t)(n & 0xffffffff) ) +#endif + +#ifndef MAKE_FOURCC +#define MAKE_FOURCC(a, b, c, d) \ +( ((uint32)d) | ( ((uint32)c) << 8 ) | ( ((uint32)b) << 16 ) | ( ((uint32)a) << 24 ) ) +#endif + +#ifndef MAX +#define MAX(a, b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#endif + +#ifndef LIMIT +#define LIMIT(lower, v, upper) ((v) < (lower) ? (lower) : (v) > (upper) ? (upper) : (v)) +#endif + +#ifndef MAX_PATH +#define MAX_PATH 260 +#endif + +#ifndef NULL +#ifdef __cplusplus + #define NULL 0 +#else + #define NULL ((void*)0) +#endif +#endif + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + +#ifndef SAFE_ALLOC +#define SAFE_ALLOC(p, size)\ + do {\ + void* ptr = malloc(size);\ + if (!ptr) {\ + fprintf(stderr, "malloc failed!\n");\ + exit(-1);\ + }\ + memset(ptr, 0, size);\ + *(void**)&(p) = ptr;\ + } while(0) +#endif + +#ifndef SAFE_FREE +#define SAFE_FREE(p) do {if (p) {free(p); (p) = NULL;}} while(0) +#endif + +#ifndef SAFE_DELETE +#define SAFE_DELETE(p) do {if (p) {delete (p); (p) = NULL;}} while(0) +#endif + +#ifndef SAFE_DELETE_ARRAY +#define SAFE_DELETE_ARRAY(p) do {if (p) {delete[] (p); (p) = NULL;}} while(0) +#endif + +#ifndef SAFE_RELEASE +#define SAFE_RELEASE(p) do {if (p) {(p)->release(); (p) = NULL;}} while(0) +#endif + +#ifndef SAFE_CLOSE +#define SAFE_CLOSE(fd) do {if ((fd) >= 0) {close(fd); (fd) = -1;}} while(0) +#endif + +#define STRINGIFY(x) STRINGIFY_HELPER(x) +#define STRINGIFY_HELPER(x) #x + +#define STRINGCAT(x, y) STRINGCAT_HELPER(x, y) +#define STRINGCAT_HELPER(x, y) x##y + +#ifndef offsetof +#define offsetof(type, member) \ +((size_t)(&((type*)0)->member)) +#endif + +#ifndef offsetofend +#define offsetofend(type, member) \ +(offsetof(type, member) + sizeof(((type*)0)->member)) +#endif + +#ifndef container_of +#define container_of(ptr, type, member) \ +((type*)((char*)(ptr) - offsetof(type, member))) +#endif + +#ifdef PRINT_DEBUG +#define printd(...) printf(__VA_ARGS__) +#else +#define printd(...) +#endif + +#ifdef PRINT_ERROR +#define printe(...) fprintf(stderr, __VA_ARGS__) +#else +#define printe(...) +#endif + +#endif // HV_DEF_H_ diff --git a/sdk/include/hv/hdir.h b/sdk/include/hv/hdir.h new file mode 100644 index 0000000..d570b1b --- /dev/null +++ b/sdk/include/hv/hdir.h @@ -0,0 +1,69 @@ +#ifndef HV_DIR_H_ +#define HV_DIR_H_ + +/* + *@code +int main(int argc, char* argv[]) { + const char* dir = "."; + if (argc > 1) { + dir = argv[1]; + } + std::list dirs; + listdir(dir, dirs); + for (auto& item : dirs) { + printf("%c%c%c%c%c%c%c%c%c%c\t", + item.type, + item.mode & 0400 ? 'r' : '-', + item.mode & 0200 ? 'w' : '-', + item.mode & 0100 ? 'x' : '-', + item.mode & 0040 ? 'r' : '-', + item.mode & 0020 ? 'w' : '-', + item.mode & 0010 ? 'x' : '-', + item.mode & 0004 ? 'r' : '-', + item.mode & 0002 ? 'w' : '-', + item.mode & 0001 ? 'x' : '-'); + float hsize; + if (item.size < 1024) { + printf("%lu\t", item.size); + } + else if ((hsize = item.size/1024.0f) < 1024.0f) { + printf("%.1fK\t", hsize); + } + else if ((hsize /= 1024.0f) < 1024.0f) { + printf("%.1fM\t", hsize); + } + else { + hsize /= 1024.0f; + printf("%.1fG\t", hsize); + } + struct tm* tm = localtime(&item.mtime); + printf("%04d-%02d-%02d %02d:%02d:%02d\t", + tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); + printf("%s%s\n", item.name, item.type == 'd' ? "/" : ""); + } + return 0; +} +*/ + +#include +#include + +#include + +#include "hexport.h" + +typedef struct hdir_s { + char name[256]; + char type; // f:file d:dir l:link b:block c:char s:socket p:pipe + char reserverd; + unsigned short mode; + size_t size; + time_t atime; + time_t mtime; + time_t ctime; +} hdir_t; + +// listdir: same as ls on unix, dir on win +HV_EXPORT int listdir(const char* dir, std::list& dirs); + +#endif // HV_DIR_H_ diff --git a/sdk/include/hv/hendian.h b/sdk/include/hv/hendian.h new file mode 100644 index 0000000..c9b978d --- /dev/null +++ b/sdk/include/hv/hendian.h @@ -0,0 +1,161 @@ +#ifndef HV_ENDIAN_H_ +#define HV_ENDIAN_H_ + +#include "hplatform.h" +#if defined(OS_MAC) +#include +#define htobe16(v) OSSwapHostToBigInt16(v) +#define htobe32(v) OSSwapHostToBigInt32(v) +#define htobe64(v) OSSwapHostToBigInt64(v) +#define be16toh(v) OSSwapBigToHostInt16(v) +#define be32toh(v) OSSwapBigToHostInt32(v) +#define be64toh(v) OSSwapBigToHostInt64(v) + +#define htole16(v) OSSwapHostToLittleInt16(v) +#define htole32(v) OSSwapHostToLittleInt32(v) +#define htole64(v) OSSwapHostToLittleInt64(v) +#define le16toh(v) OSSwapLittleToHostInt16(v) +#define le32toh(v) OSSwapLittleToHostInt32(v) +#define le64toh(v) OSSwapLittleToHostInt64(v) +#elif defined(OS_WIN) +#define htobe16(v) htons(v) +#define htobe32(v) htonl(v) +#define htobe64(v) htonll(v) +#define be16toh(v) ntohs(v) +#define be32toh(v) ntohl(v) +#define be64toh(v) ntohll(v) + +#if (BYTE_ORDER == LITTLE_ENDIAN) +#define htole16(v) (v) +#define htole32(v) (v) +#define htole64(v) (v) +#define le16toh(v) (v) +#define le32toh(v) (v) +#define le64toh(v) (v) +#elif (BYTE_ORDER == BIG_ENDIAN) +#define htole16(v) __builtin_bswap16(v) +#define htole32(v) __builtin_bswap32(v) +#define htole64(v) __builtin_bswap64(v) +#define le16toh(v) __builtin_bswap16(v) +#define le32toh(v) __builtin_bswap32(v) +#define le64toh(v) __builtin_bswap64(v) +#endif +#elif HAVE_ENDIAN_H +#include +#elif HAVE_SYS_ENDIAN_H +#include +#else +#warning "Not found endian.h!" +#endif + +#define PI8(p) *(int8_t*)(p) +#define PI16(p) *(int16_t*)(p) +#define PI32(p) *(int32_t*)(p) +#define PI64(p) *(int64_t*)(p) + +#define PU8(p) *(uint8_t*)(p) +#define PU16(p) *(uint16_t*)(p) +#define PU32(p) *(uint32_t*)(p) +#define PU64(p) *(uint64_t*)(p) + +#define PF32(p) *(float*)(p) +#define PF64(p) *(double*)(p) + +#define GET_BE16(p) be16toh(PU16(p)) +#define GET_BE32(p) be32toh(PU32(p)) +#define GET_BE64(p) be64toh(PU64(p)) + +#define GET_LE16(p) le16toh(PU16(p)) +#define GET_LE32(p) le32toh(PU32(p)) +#define GET_LE64(p) le64toh(PU64(p)) + +#define PUT_BE16(p, v) PU16(p) = htobe16(v) +#define PUT_BE32(p, v) PU32(p) = htobe32(v) +#define PUT_BE64(p, v) PU64(p) = htobe64(v) + +#define PUT_LE16(p, v) PU16(p) = htole16(v) +#define PUT_LE32(p, v) PU32(p) = htole32(v) +#define PUT_LE64(p, v) PU64(p) = htole64(v) + +// NOTE: uint8_t* p = (uint8_t*)buf; +#define POP_BE8(p, v) v = *p; ++p +#define POP_BE16(p, v) v = be16toh(PU16(p)); p += 2 +#define POP_BE32(p, v) v = be32toh(PU32(p)); p += 4 +#define POP_BE64(p, v) v = be64toh(PU64(p)); p += 8 + +#define POP_LE8(p, v) v= *p; ++p +#define POP_LE16(p, v) v = le16toh(PU16(p)); p += 2 +#define POP_LE32(p, v) v = le32toh(PU32(p)); p += 4 +#define POP_LE64(p, v) v = le64toh(PU64(p)); p += 8 + +#define PUSH_BE8(p, v) *p = v; ++p +#define PUSH_BE16(p, v) PU16(p) = htobe16(v); p += 2 +#define PUSH_BE32(p, v) PU32(p) = htobe32(v); p += 4 +#define PUSH_BE64(p, v) PU64(p) = htobe64(v); p += 8 + +#define PUSH_LE8(p, v) *p = v; ++p +#define PUSH_LE16(p, v) PU16(p) = htole16(v); p += 2 +#define PUSH_LE32(p, v) PU32(p) = htole32(v); p += 4 +#define PUSH_LE64(p, v) PU64(p) = htole64(v); p += 8 + +// NOTE: NET_ENDIAN = BIG_ENDIAN +#define POP8(p, v) POP_BE8(p, v) +#define POP16(p, v) POP_BE16(p, v) +#define POP32(p, v) POP_BE32(p, v) +#define POP64(p, v) POP_BE64(p, v) +#define POP_N(p, v, n) memcpy(v, p, n); p += n + +#define PUSH8(p, v) PUSH_BE8(p, v) +#define PUSH16(p, v) PUSH_BE16(p, v) +#define PUSH32(p, v) PUSH_BE32(p, v) +#define PUSH64(p, v) PUSH_BE64(p, v) +#define PUSH_N(p, v, n) memcpy(p, v, n); p += n + +static inline int detect_endian() { + union { + char c; + short s; + } u; + u.s = 0x1122; + return u.c ==0x11 ? BIG_ENDIAN : LITTLE_ENDIAN; +} + +#ifdef __cplusplus +template +uint8_t* serialize(uint8_t* buf, T value, int host_endian = LITTLE_ENDIAN, int buf_endian = BIG_ENDIAN) { + size_t size = sizeof(T); + uint8_t* pDst = buf; + uint8_t* pSrc = (uint8_t*)&value; + + if (host_endian == buf_endian) { + memcpy(pDst, pSrc, size); + } + else { + for (int i = 0; i < size; ++i) { + pDst[i] = pSrc[size-i-1]; + } + } + + return buf+size; +} + +template +uint8_t* deserialize(uint8_t* buf, T* value, int host_endian = LITTLE_ENDIAN, int buf_endian = BIG_ENDIAN) { + size_t size = sizeof(T); + uint8_t* pSrc = buf; + uint8_t* pDst = (uint8_t*)value; + + if (host_endian == buf_endian) { + memcpy(pDst, pSrc, size); + } + else { + for (int i = 0; i < size; ++i) { + pDst[i] = pSrc[size-i-1]; + } + } + + return buf+size; +} +#endif // __cplusplus + +#endif // HV_ENDIAN_H_ diff --git a/sdk/include/hv/herr.h b/sdk/include/hv/herr.h new file mode 100644 index 0000000..adb6d07 --- /dev/null +++ b/sdk/include/hv/herr.h @@ -0,0 +1,122 @@ +#ifndef HV_ERR_H_ +#define HV_ERR_H_ + +#include + +#include "hexport.h" + +#ifndef SYS_NERR +#define SYS_NERR 133 +#endif + +// F(errcode, name, errmsg) +// [1, 133] +#define FOREACH_ERR_SYS(F) + +// [1xx~5xx] +#define FOREACH_ERR_STATUS(F) + +// [1xxx] +#define FOREACH_ERR_COMMON(F) \ + F(0, OK, "OK") \ + F(1000, UNKNOWN, "Unknown error") \ + \ + F(1001, NULL_PARAM, "Null parameter") \ + F(1002, NULL_POINTER, "Null pointer") \ + F(1003, NULL_DATA, "Null data") \ + F(1004, NULL_HANDLE, "Null handle") \ + \ + F(1011, INVALID_PARAM, "Invalid parameter")\ + F(1012, INVALID_POINTER, "Invalid pointer") \ + F(1013, INVALID_DATA, "Invalid data") \ + F(1014, INVALID_HANDLE, "Invalid handle") \ + F(1015, INVALID_JSON, "Invalid json") \ + F(1016, INVALID_XML, "Invalid xml") \ + F(1017, INVALID_FMT, "Invalid format") \ + F(1018, INVALID_PROTOCOL, "Invalid protocol") \ + F(1019, INVALID_PACKAGE, "Invalid package") \ + \ + F(1021, OUT_OF_RANGE, "Out of range") \ + F(1022, OVER_LIMIT, "Over the limit") \ + F(1023, MISMATCH, "Mismatch") \ + F(1024, PARSE, "Parse failed") \ + \ + F(1030, OPEN_FILE, "Open file failed") \ + F(1031, SAVE_FILE, "Save file failed") \ + F(1032, READ_FILE, "Read file failed") \ + F(1033, WRITE_FILE, "Write file failed")\ + \ + F(1040, SSL, "SSL/TLS error") \ + F(1041, NEW_SSL_CTX, "New SSL_CTX failed") \ + F(1042, NEW_SSL, "New SSL failed") \ + F(1043, SSL_HANDSHAKE, "SSL handshake failed") \ + \ + F(1100, TASK_TIMEOUT, "Task timeout") \ + F(1101, TASK_QUEUE_FULL, "Task queue full") \ + F(1102, TASK_QUEUE_EMPTY, "Task queue empty") \ + \ + F(1400, REQUEST, "Bad request") \ + F(1401, RESPONSE, "Bad response") \ + +// [-1xxx] +#define FOREACH_ERR_FUNC(F) \ + F(-1001, MALLOC, "malloc() error") \ + F(-1002, REALLOC, "realloc() error") \ + F(-1003, CALLOC, "calloc() error") \ + F(-1004, FREE, "free() error") \ + \ + F(-1011, SOCKET, "socket() error") \ + F(-1012, BIND, "bind() error") \ + F(-1013, LISTEN, "listen() error") \ + F(-1014, ACCEPT, "accept() error") \ + F(-1015, CONNECT, "connect() error") \ + F(-1016, RECV, "recv() error") \ + F(-1017, SEND, "send() error") \ + F(-1018, RECVFROM, "recvfrom() error") \ + F(-1019, SENDTO, "sendto() error") \ + F(-1020, SETSOCKOPT, "setsockopt() error") \ + F(-1021, GETSOCKOPT, "getsockopt() error") \ + +// grpc [4xxx] +#define FOREACH_ERR_GRPC(F) \ + F(4000, GRPC_FIRST, "grpc no error") \ + F(4001, GRPC_STATUS_CANCELLED, "grpc status: cancelled") \ + F(4002, GRPC_STATUS_UNKNOWN, "grpc unknown error") \ + F(4003, GRPC_STATUS_INVALID_ARGUMENT, "grpc status: invalid argument")\ + F(4004, GRPC_STATUS_DEADLINE, "grpc status: deadline") \ + F(4005, GRPC_STATUS_NOT_FOUND, "grpc status: not found") \ + F(4006, GRPC_STATUS_ALREADY_EXISTS, "grpc status: already exists") \ + F(4007, GRPC_STATUS_PERMISSION_DENIED, "grpc status: permission denied") \ + F(4008, GRPC_STATUS_RESOURCE_EXHAUSTED, "grpc status: resource exhausted") \ + F(4009, GRPC_STATUS_FAILED_PRECONDITION,"grpc status: failed precondition") \ + F(4010, GRPC_STATUS_ABORTED, "grpc status: aborted") \ + F(4011, GRPC_STATUS_OUT_OF_RANGE, "grpc status: out of range") \ + F(4012, GRPC_STATUS_UNIMPLEMENTED, "grpc status: unimplemented") \ + F(4013, GRPC_STATUS_INTERNAL, "grpc internal error") \ + F(4014, GRPC_STATUS_UNAVAILABLE, "grpc service unavailable") \ + F(4015, GRPC_STATUS_DATA_LOSS, "grpc status: data loss") \ + +#define FOREACH_ERR(F) \ + FOREACH_ERR_COMMON(F) \ + FOREACH_ERR_FUNC(F) \ + FOREACH_ERR_GRPC(F) \ + +#undef ERR_OK // prevent conflict +enum { +#define F(errcode, name, errmsg) ERR_##name = errcode, + FOREACH_ERR(F) +#undef F +}; + +#ifdef __cplusplus +extern "C" { +#endif + +// errcode => errmsg +HV_EXPORT const char* hv_strerror(int err); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // HV_ERR_H_ diff --git a/sdk/include/hv/hexport.h b/sdk/include/hv/hexport.h new file mode 100644 index 0000000..3112ebf --- /dev/null +++ b/sdk/include/hv/hexport.h @@ -0,0 +1,153 @@ +#ifndef HV_EXPORT_H_ +#define HV_EXPORT_H_ + +// HV_EXPORT +#if defined(HV_STATICLIB) || defined(HV_SOURCE) + #define HV_EXPORT +#elif defined(_MSC_VER) + #if defined(HV_DYNAMICLIB) || defined(HV_EXPORTS) || defined(hv_EXPORTS) + #define HV_EXPORT __declspec(dllexport) + #else + #define HV_EXPORT __declspec(dllimport) + #endif +#elif defined(__GNUC__) + #define HV_EXPORT __attribute__((visibility("default"))) +#else + #define HV_EXPORT +#endif + +// HV_INLINE +#define HV_INLINE static inline + +// HV_DEPRECATED +#if defined(HV_NO_DEPRECATED) +#define HV_DEPRECATED +#elif defined(__GNUC__) || defined(__clang__) +#define HV_DEPRECATED __attribute__((deprecated)) +#elif defined(_MSC_VER) +#define HV_DEPRECATED __declspec(deprecated) +#else +#define HV_DEPRECATED +#endif + +// HV_UNUSED +#if defined(__GNUC__) + #define HV_UNUSED __attribute__((visibility("unused"))) +#else + #define HV_UNUSED +#endif + +// @param[IN | OUT | INOUT] +#ifndef IN +#define IN +#endif + +#ifndef OUT +#define OUT +#endif + +#ifndef INOUT +#define INOUT +#endif + +// @field[OPTIONAL | REQUIRED | REPEATED] +#ifndef OPTIONAL +#define OPTIONAL +#endif + +#ifndef REQUIRED +#define REQUIRED +#endif + +#ifndef REPEATED +#define REPEATED +#endif + +#ifdef __cplusplus + +#ifndef EXTERN_C +#define EXTERN_C extern "C" +#endif + +#ifndef BEGIN_EXTERN_C +#define BEGIN_EXTERN_C extern "C" { +#endif + +#ifndef END_EXTERN_C +#define END_EXTERN_C } // extern "C" +#endif + +#ifndef BEGIN_NAMESPACE +#define BEGIN_NAMESPACE(ns) namespace ns { +#endif + +#ifndef END_NAMESPACE +#define END_NAMESPACE(ns) } // namespace ns +#endif + +#ifndef USING_NAMESPACE +#define USING_NAMESPACE(ns) using namespace ns; +#endif + +#ifndef DEFAULT +#define DEFAULT(x) = x +#endif + +#ifndef ENUM +#define ENUM(e) enum e +#endif + +#ifndef STRUCT +#define STRUCT(s) struct s +#endif + +#else + +#define EXTERN_C extern +#define BEGIN_EXTERN_C +#define END_EXTERN_C + +#define BEGIN_NAMESPACE(ns) +#define END_NAMESPACE(ns) +#define USING_NAMESPACE(ns) + +#ifndef DEFAULT +#define DEFAULT(x) +#endif + +#ifndef ENUM +#define ENUM(e)\ +typedef enum e e;\ +enum e +#endif + +#ifndef STRUCT +#define STRUCT(s)\ +typedef struct s s;\ +struct s +#endif + +#endif // __cplusplus + +#define BEGIN_NAMESPACE_HV BEGIN_NAMESPACE(hv) +#define END_NAMESPACE_HV END_NAMESPACE(hv) +#define USING_NAMESPACE_HV USING_NAMESPACE(hv) + +// MSVC ports +#ifdef _MSC_VER +#if _MSC_VER < 1900 // < VS2015 + +#ifndef __cplusplus +#ifndef inline +#define inline __inline +#endif +#endif + +#ifndef snprintf +#define snprintf _snprintf +#endif + +#endif +#endif + +#endif // HV_EXPORT_H_ diff --git a/sdk/include/hv/hfile.h b/sdk/include/hv/hfile.h new file mode 100644 index 0000000..f26cd43 --- /dev/null +++ b/sdk/include/hv/hfile.h @@ -0,0 +1,123 @@ +#ifndef HV_FILE_H_ +#define HV_FILE_H_ + +#include // for std::string + +#include "hplatform.h" // for stat +#include "hbuf.h" // for HBuf + +class HFile { +public: + HFile() { + fp = NULL; + } + + ~HFile() { + close(); + } + + int open(const char* filepath, const char* mode) { + close(); + strncpy(this->filepath, filepath, MAX_PATH); + fp = fopen(filepath, mode); + return fp ? 0 : errno; + } + + void close() { + if (fp) { + fclose(fp); + fp = NULL; + } + } + + bool isopen() { + return fp != NULL; + } + + size_t read(void* ptr, size_t len) { + return fread(ptr, 1, len, fp); + } + + size_t write(const void* ptr, size_t len) { + return fwrite(ptr, 1, len, fp); + } + + size_t write(const std::string& str) { + return write(str.c_str(), str.length()); + } + + int seek(size_t offset, int whence = SEEK_SET) { + return fseek(fp, offset, whence); + } + + int tell() { + return ftell(fp); + } + + int flush() { + return fflush(fp); + } + + static size_t size(const char* filepath) { + struct stat st; + memset(&st, 0, sizeof(st)); + stat(filepath, &st); + return st.st_size; + } + + size_t size() { + return HFile::size(filepath); + } + + size_t readall(HBuf& buf) { + size_t filesize = size(); + if (filesize == 0) return 0; + buf.resize(filesize); + return fread(buf.base, 1, filesize, fp); + } + + size_t readall(std::string& str) { + size_t filesize = size(); + if (filesize == 0) return 0; + str.resize(filesize); + return fread((void*)str.data(), 1, filesize, fp); + } + + bool readline(std::string& str) { + str.clear(); + char ch; + while (fread(&ch, 1, 1, fp)) { + if (ch == '\n') { + // unix: LF + return true; + } + if (ch == '\r') { + // dos: CRLF + // read LF + if (fread(&ch, 1, 1, fp) && ch != '\n') { + // mac: CR + fseek(fp, -1, SEEK_CUR); + } + return true; + } + str += ch; + } + return str.length() != 0; + } + + int readrange(std::string& str, size_t from = 0, size_t to = 0) { + size_t filesize = size(); + if (filesize == 0) return 0; + if (to == 0 || to >= filesize) to = filesize - 1; + size_t readbytes = to - from + 1; + str.resize(readbytes); + fseek(fp, from, SEEK_SET); + return fread((void*)str.data(), 1, readbytes, fp); + } + +public: + char filepath[MAX_PATH]; + FILE* fp; +}; + +#endif // HV_FILE_H_ diff --git a/sdk/include/hv/hlog.h b/sdk/include/hv/hlog.h new file mode 100644 index 0000000..b7d5918 --- /dev/null +++ b/sdk/include/hv/hlog.h @@ -0,0 +1,176 @@ +#ifndef HV_LOG_H_ +#define HV_LOG_H_ + +/* + * hlog is thread-safe + */ + +#include + +#ifdef _WIN32 +#define DIR_SEPARATOR '\\' +#define DIR_SEPARATOR_STR "\\" +#else +#define DIR_SEPARATOR '/' +#define DIR_SEPARATOR_STR "/" +#endif + +#ifndef __FILENAME__ +// #define __FILENAME__ (strrchr(__FILE__, DIR_SEPARATOR) ? strrchr(__FILE__, DIR_SEPARATOR) + 1 : __FILE__) +#define __FILENAME__ (strrchr(DIR_SEPARATOR_STR __FILE__, DIR_SEPARATOR) + 1) +#endif + +#include "hexport.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define CLR_CLR "\033[0m" /* 恢复颜色 */ +#define CLR_BLACK "\033[30m" /* 黑色字 */ +#define CLR_RED "\033[31m" /* 红色字 */ +#define CLR_GREEN "\033[32m" /* 绿色字 */ +#define CLR_YELLOW "\033[33m" /* 黄色字 */ +#define CLR_BLUE "\033[34m" /* 蓝色字 */ +#define CLR_PURPLE "\033[35m" /* 紫色字 */ +#define CLR_SKYBLUE "\033[36m" /* 天蓝字 */ +#define CLR_WHITE "\033[37m" /* 白色字 */ + +#define CLR_BLK_WHT "\033[40;37m" /* 黑底白字 */ +#define CLR_RED_WHT "\033[41;37m" /* 红底白字 */ +#define CLR_GREEN_WHT "\033[42;37m" /* 绿底白字 */ +#define CLR_YELLOW_WHT "\033[43;37m" /* 黄底白字 */ +#define CLR_BLUE_WHT "\033[44;37m" /* 蓝底白字 */ +#define CLR_PURPLE_WHT "\033[45;37m" /* 紫底白字 */ +#define CLR_SKYBLUE_WHT "\033[46;37m" /* 天蓝底白字 */ +#define CLR_WHT_BLK "\033[47;30m" /* 白底黑字 */ + +// XXX(id, str, clr) +#define LOG_LEVEL_MAP(XXX) \ + XXX(LOG_LEVEL_DEBUG, "DEBUG", CLR_WHITE) \ + XXX(LOG_LEVEL_INFO, "INFO ", CLR_GREEN) \ + XXX(LOG_LEVEL_WARN, "WARN ", CLR_YELLOW) \ + XXX(LOG_LEVEL_ERROR, "ERROR", CLR_RED) \ + XXX(LOG_LEVEL_FATAL, "FATAL", CLR_RED_WHT) + +typedef enum { + LOG_LEVEL_VERBOSE = 0, +#define XXX(id, str, clr) id, + LOG_LEVEL_MAP(XXX) +#undef XXX + LOG_LEVEL_SILENT +} log_level_e; + +#define DEFAULT_LOG_FILE "libhv" +#define DEFAULT_LOG_LEVEL LOG_LEVEL_INFO +#define DEFAULT_LOG_FORMAT "%y-%m-%d %H:%M:%S.%z %L %s" +#define DEFAULT_LOG_REMAIN_DAYS 1 +#define DEFAULT_LOG_MAX_BUFSIZE (1<<14) // 16k +#define DEFAULT_LOG_MAX_FILESIZE (1<<24) // 16M + +// logger: default file_logger +// network_logger() see event/nlog.h +typedef void (*logger_handler)(int loglevel, const char* buf, int len); + +HV_EXPORT void stdout_logger(int loglevel, const char* buf, int len); +HV_EXPORT void stderr_logger(int loglevel, const char* buf, int len); +HV_EXPORT void file_logger(int loglevel, const char* buf, int len); +// network_logger implement see event/nlog.h +// HV_EXPORT void network_logger(int loglevel, const char* buf, int len); + +typedef struct logger_s logger_t; +HV_EXPORT logger_t* logger_create(); +HV_EXPORT void logger_destroy(logger_t* logger); + +HV_EXPORT void logger_set_handler(logger_t* logger, logger_handler fn); +HV_EXPORT void logger_set_level(logger_t* logger, int level); +// level = [VERBOSE,DEBUG,INFO,WARN,ERROR,FATAL,SILENT] +HV_EXPORT void logger_set_level_by_str(logger_t* logger, const char* level); +/* + * format = "%y-%m-%d %H:%M:%S.%z %L %s" + * message = "2020-01-02 03:04:05.067 DEBUG message" + * %y year + * %m month + * %d day + * %H hour + * %M min + * %S sec + * %z ms + * %Z us + * %l First character of level + * %L All characters of level + * %s message + * %% % + */ +HV_EXPORT void logger_set_format(logger_t* logger, const char* format); +HV_EXPORT void logger_set_max_bufsize(logger_t* logger, unsigned int bufsize); +HV_EXPORT void logger_enable_color(logger_t* logger, int on); +HV_EXPORT int logger_print(logger_t* logger, int level, const char* fmt, ...); + +// below for file logger +HV_EXPORT void logger_set_file(logger_t* logger, const char* filepath); +HV_EXPORT void logger_set_max_filesize(logger_t* logger, unsigned long long filesize); +// 16, 16M, 16MB +HV_EXPORT void logger_set_max_filesize_by_str(logger_t* logger, const char* filesize); +HV_EXPORT void logger_set_remain_days(logger_t* logger, int days); +HV_EXPORT void logger_enable_fsync(logger_t* logger, int on); +HV_EXPORT void logger_fsync(logger_t* logger); +HV_EXPORT const char* logger_get_cur_file(logger_t* logger); + +// hlog: default logger instance +HV_EXPORT logger_t* hv_default_logger(); +HV_EXPORT void hv_destroy_default_logger(); + +// macro hlog* +#define hlog hv_default_logger() +#define hlog_destory() hv_destroy_default_logger() +#define hlog_disable() logger_set_level(hlog, LOG_LEVEL_SILENT) +#define hlog_set_file(filepath) logger_set_file(hlog, filepath) +#define hlog_set_level(level) logger_set_level(hlog, level) +#define hlog_set_level_by_str(level) logger_set_level_by_str(hlog, level) +#define hlog_set_handler(fn) logger_set_handler(hlog, fn) +#define hlog_set_format(format) logger_set_format(hlog, format) +#define hlog_set_max_filesize(filesize) logger_set_max_filesize(hlog, filesize) +#define hlog_set_max_filesize_by_str(filesize) logger_set_max_filesize_by_str(hlog, filesize) +#define hlog_set_remain_days(days) logger_set_remain_days(hlog, days) +#define hlog_enable_fsync() logger_enable_fsync(hlog, 1) +#define hlog_disable_fsync() logger_enable_fsync(hlog, 0) +#define hlog_fsync() logger_fsync(hlog) +#define hlog_get_cur_file() logger_get_cur_file(hlog) + +#define hlogd(fmt, ...) logger_print(hlog, LOG_LEVEL_DEBUG, fmt " [%s:%d:%s]\n", ## __VA_ARGS__, __FILENAME__, __LINE__, __FUNCTION__) +#define hlogi(fmt, ...) logger_print(hlog, LOG_LEVEL_INFO, fmt " [%s:%d:%s]\n", ## __VA_ARGS__, __FILENAME__, __LINE__, __FUNCTION__) +#define hlogw(fmt, ...) logger_print(hlog, LOG_LEVEL_WARN, fmt " [%s:%d:%s]\n", ## __VA_ARGS__, __FILENAME__, __LINE__, __FUNCTION__) +#define hloge(fmt, ...) logger_print(hlog, LOG_LEVEL_ERROR, fmt " [%s:%d:%s]\n", ## __VA_ARGS__, __FILENAME__, __LINE__, __FUNCTION__) +#define hlogf(fmt, ...) logger_print(hlog, LOG_LEVEL_FATAL, fmt " [%s:%d:%s]\n", ## __VA_ARGS__, __FILENAME__, __LINE__, __FUNCTION__) + +// below for android +#if defined(ANDROID) || defined(__ANDROID__) +#include +#define LOG_TAG "JNI" +#undef hlogd +#undef hlogi +#undef hlogw +#undef hloge +#undef hlogf +#define hlogd(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__) +#define hlogi(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__) +#define hlogw(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__) +#define hloge(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__) +#define hlogf(...) __android_log_print(ANDROID_LOG_FATAL, LOG_TAG, __VA_ARGS__) +#endif + +// macro alias +#if !defined(LOGD) && !defined(LOGI) && !defined(LOGW) && !defined(LOGE) && !defined(LOGF) +#define LOGD hlogd +#define LOGI hlogi +#define LOGW hlogw +#define LOGE hloge +#define LOGF hlogf +#endif + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // HV_LOG_H_ diff --git a/sdk/include/hv/hloop.h b/sdk/include/hv/hloop.h new file mode 100644 index 0000000..60aad4b --- /dev/null +++ b/sdk/include/hv/hloop.h @@ -0,0 +1,700 @@ +#ifndef HV_LOOP_H_ +#define HV_LOOP_H_ + +#include "hexport.h" +#include "hplatform.h" +#include "hdef.h" +#include "hssl.h" + +typedef struct hloop_s hloop_t; +typedef struct hevent_s hevent_t; + +// NOTE: The following structures are subclasses of hevent_t, +// inheriting hevent_t data members and function members. +typedef struct hidle_s hidle_t; +typedef struct htimer_s htimer_t; +typedef struct htimeout_s htimeout_t; +typedef struct hperiod_s hperiod_t; +typedef struct hio_s hio_t; + +typedef void (*hevent_cb) (hevent_t* ev); +typedef void (*hidle_cb) (hidle_t* idle); +typedef void (*htimer_cb) (htimer_t* timer); +typedef void (*hio_cb) (hio_t* io); + +typedef void (*haccept_cb) (hio_t* io); +typedef void (*hconnect_cb) (hio_t* io); +typedef void (*hread_cb) (hio_t* io, void* buf, int readbytes); +typedef void (*hwrite_cb) (hio_t* io, const void* buf, int writebytes); +typedef void (*hclose_cb) (hio_t* io); + +typedef enum { + HLOOP_STATUS_STOP, + HLOOP_STATUS_RUNNING, + HLOOP_STATUS_PAUSE +} hloop_status_e; + +typedef enum { + HEVENT_TYPE_NONE = 0, + HEVENT_TYPE_IO = 0x00000001, + HEVENT_TYPE_TIMEOUT = 0x00000010, + HEVENT_TYPE_PERIOD = 0x00000020, + HEVENT_TYPE_TIMER = HEVENT_TYPE_TIMEOUT|HEVENT_TYPE_PERIOD, + HEVENT_TYPE_IDLE = 0x00000100, + HEVENT_TYPE_CUSTOM = 0x00000400, // 1024 +} hevent_type_e; + +#define HEVENT_LOWEST_PRIORITY (-5) +#define HEVENT_LOW_PRIORITY (-3) +#define HEVENT_NORMAL_PRIORITY 0 +#define HEVENT_HIGH_PRIORITY 3 +#define HEVENT_HIGHEST_PRIORITY 5 +#define HEVENT_PRIORITY_SIZE (HEVENT_HIGHEST_PRIORITY-HEVENT_LOWEST_PRIORITY+1) +#define HEVENT_PRIORITY_INDEX(priority) (priority-HEVENT_LOWEST_PRIORITY) + +#define HEVENT_FLAGS \ + unsigned destroy :1; \ + unsigned active :1; \ + unsigned pending :1; + +#define HEVENT_FIELDS \ + hloop_t* loop; \ + hevent_type_e event_type; \ + uint64_t event_id; \ + hevent_cb cb; \ + void* userdata; \ + void* privdata; \ + struct hevent_s* pending_next; \ + int priority; \ + HEVENT_FLAGS + +// sizeof(struct hevent_s)=64 on x64 +struct hevent_s { + HEVENT_FIELDS +}; + +#define hevent_set_id(ev, id) ((hevent_t*)(ev))->event_id = id +#define hevent_set_cb(ev, cb) ((hevent_t*)(ev))->cb = cb +#define hevent_set_priority(ev, prio) ((hevent_t*)(ev))->priority = prio +#define hevent_set_userdata(ev, udata) ((hevent_t*)(ev))->userdata = (void*)udata + +#define hevent_loop(ev) (((hevent_t*)(ev))->loop) +#define hevent_type(ev) (((hevent_t*)(ev))->event_type) +#define hevent_id(ev) (((hevent_t*)(ev))->event_id) +#define hevent_cb(ev) (((hevent_t*)(ev))->cb) +#define hevent_priority(ev) (((hevent_t*)(ev))->priority) +#define hevent_userdata(ev) (((hevent_t*)(ev))->userdata) + +typedef enum { + HIO_TYPE_UNKNOWN = 0, + HIO_TYPE_STDIN = 0x00000001, + HIO_TYPE_STDOUT = 0x00000002, + HIO_TYPE_STDERR = 0x00000004, + HIO_TYPE_STDIO = 0x0000000F, + + HIO_TYPE_FILE = 0x00000010, + + HIO_TYPE_IP = 0x00000100, + HIO_TYPE_SOCK_RAW = 0x00000F00, + + HIO_TYPE_UDP = 0x00001000, + HIO_TYPE_KCP = 0x00002000, + HIO_TYPE_DTLS = 0x00010000, + HIO_TYPE_SOCK_DGRAM = 0x000FF000, + + HIO_TYPE_TCP = 0x00100000, + HIO_TYPE_SSL = 0x01000000, + HIO_TYPE_TLS = HIO_TYPE_SSL, + HIO_TYPE_SOCK_STREAM= 0x0FF00000, + + HIO_TYPE_SOCKET = 0x0FFFFF00, +} hio_type_e; + +typedef enum { + HIO_SERVER_SIDE = 0, + HIO_CLIENT_SIDE = 1, +} hio_side_e; + +#define HIO_DEFAULT_CONNECT_TIMEOUT 10000 // ms +#define HIO_DEFAULT_CLOSE_TIMEOUT 60000 // ms +#define HIO_DEFAULT_KEEPALIVE_TIMEOUT 75000 // ms +#define HIO_DEFAULT_HEARTBEAT_INTERVAL 10000 // ms + +BEGIN_EXTERN_C + +// loop +#define HLOOP_FLAG_RUN_ONCE 0x00000001 +#define HLOOP_FLAG_AUTO_FREE 0x00000002 +#define HLOOP_FLAG_QUIT_WHEN_NO_ACTIVE_EVENTS 0x00000004 +HV_EXPORT hloop_t* hloop_new(int flags DEFAULT(HLOOP_FLAG_AUTO_FREE)); + +// WARN: Forbid to call hloop_free if HLOOP_FLAG_AUTO_FREE set. +HV_EXPORT void hloop_free(hloop_t** pp); + +// NOTE: when no active events, loop will quit if HLOOP_FLAG_QUIT_WHEN_NO_ACTIVE_EVENTS set. +HV_EXPORT int hloop_run(hloop_t* loop); +// NOTE: hloop_stop called in loop-thread just set flag to quit in next loop, +// if called in other thread, it will wakeup loop-thread from blocking poll system call, +// then you should join loop thread to safely exit loop thread. +HV_EXPORT int hloop_stop(hloop_t* loop); +HV_EXPORT int hloop_pause(hloop_t* loop); +HV_EXPORT int hloop_resume(hloop_t* loop); +HV_EXPORT int hloop_wakeup(hloop_t* loop); +HV_EXPORT hloop_status_e hloop_status(hloop_t* loop); + +HV_EXPORT void hloop_update_time(hloop_t* loop); +HV_EXPORT uint64_t hloop_now(hloop_t* loop); // s +HV_EXPORT uint64_t hloop_now_ms(hloop_t* loop); // ms +HV_EXPORT uint64_t hloop_now_us(hloop_t* loop); // us +HV_EXPORT uint64_t hloop_now_hrtime(hloop_t* loop); // us + +// export some hloop's members +// @return pid of hloop_run +HV_EXPORT long hloop_pid(hloop_t* loop); +// @return tid of hloop_run +HV_EXPORT long hloop_tid(hloop_t* loop); +// @return count of loop +HV_EXPORT uint64_t hloop_count(hloop_t* loop); +// @return number of ios +HV_EXPORT uint32_t hloop_nios(hloop_t* loop); +// @return number of timers +HV_EXPORT uint32_t hloop_ntimers(hloop_t* loop); +// @return number of idles +HV_EXPORT uint32_t hloop_nidles(hloop_t* loop); +// @return number of active events +HV_EXPORT uint32_t hloop_nactives(hloop_t* loop); + +// userdata +HV_EXPORT void hloop_set_userdata(hloop_t* loop, void* userdata); +HV_EXPORT void* hloop_userdata(hloop_t* loop); + +// custom_event +/* + * hevent_t ev; + * memset(&ev, 0, sizeof(hevent_t)); + * ev.event_type = (hevent_type_e)(HEVENT_TYPE_CUSTOM + 1); + * ev.cb = custom_event_cb; + * ev.userdata = userdata; + * hloop_post_event(loop, &ev); + */ +// NOTE: hloop_post_event is thread-safe, used to post event from other thread to loop thread. +HV_EXPORT void hloop_post_event(hloop_t* loop, hevent_t* ev); + +// idle +HV_EXPORT hidle_t* hidle_add(hloop_t* loop, hidle_cb cb, uint32_t repeat DEFAULT(INFINITE)); +HV_EXPORT void hidle_del(hidle_t* idle); + +// timer +// @param timeout: unit(ms) +HV_EXPORT htimer_t* htimer_add(hloop_t* loop, htimer_cb cb, uint32_t timeout, uint32_t repeat DEFAULT(INFINITE)); +/* + * minute hour day week month cb + * 0~59 0~23 1~31 0~6 1~12 + * -1 -1 -1 -1 -1 cron.minutely + * 30 -1 -1 -1 -1 cron.hourly + * 30 1 -1 -1 -1 cron.daily + * 30 1 15 -1 -1 cron.monthly + * 30 1 -1 5 -1 cron.weekly + * 30 1 1 -1 10 cron.yearly + */ +HV_EXPORT htimer_t* htimer_add_period(hloop_t* loop, htimer_cb cb, + int8_t minute DEFAULT(0), int8_t hour DEFAULT(-1), int8_t day DEFAULT(-1), + int8_t week DEFAULT(-1), int8_t month DEFAULT(-1), uint32_t repeat DEFAULT(INFINITE)); + +HV_EXPORT void htimer_del(htimer_t* timer); +HV_EXPORT void htimer_reset(htimer_t* timer); + +// io +//-----------------------low-level apis--------------------------------------- +#define HV_READ 0x0001 +#define HV_WRITE 0x0004 +#define HV_RDWR (HV_READ|HV_WRITE) +/* +const char* hio_engine() { +#ifdef EVENT_SELECT + return "select"; +#elif defined(EVENT_POLL) + return "poll"; +#elif defined(EVENT_EPOLL) + return "epoll"; +#elif defined(EVENT_KQUEUE) + return "kqueue"; +#elif defined(EVENT_IOCP) + return "iocp"; +#elif defined(EVENT_PORT) + return "evport"; +#else + return "noevent"; +#endif +} +*/ +HV_EXPORT const char* hio_engine(); + +HV_EXPORT hio_t* hio_get(hloop_t* loop, int fd); +HV_EXPORT int hio_add(hio_t* io, hio_cb cb, int events DEFAULT(HV_READ)); +HV_EXPORT int hio_del(hio_t* io, int events DEFAULT(HV_RDWR)); + +// NOTE: io detach from old loop and attach to new loop +/* @see examples/multi-thread/one-acceptor-multi-workers.c +void new_conn_event(hevent_t* ev) { + hloop_t* loop = ev->loop; + hio_t* io = (hio_t*)hevent_userdata(ev); + hio_attach(loop, io); +} + +void on_accpet(hio_t* io) { + hio_detach(io); + + hloop_t* worker_loop = get_one_loop(); + hevent_t ev; + memset(&ev, 0, sizeof(ev)); + ev.loop = worker_loop; + ev.cb = new_conn_event; + ev.userdata = io; + hloop_post_event(worker_loop, &ev); +} + */ +HV_EXPORT void hio_detach(/*hloop_t* loop,*/ hio_t* io); +HV_EXPORT void hio_attach(hloop_t* loop, hio_t* io); +HV_EXPORT bool hio_exists(hloop_t* loop, int fd); + +// hio_t fields +// NOTE: fd cannot be used as unique identifier, so we provide an id. +HV_EXPORT uint32_t hio_id (hio_t* io); +HV_EXPORT int hio_fd (hio_t* io); +HV_EXPORT int hio_error (hio_t* io); +HV_EXPORT int hio_events (hio_t* io); +HV_EXPORT int hio_revents (hio_t* io); +HV_EXPORT hio_type_e hio_type (hio_t* io); +HV_EXPORT struct sockaddr* hio_localaddr(hio_t* io); +HV_EXPORT struct sockaddr* hio_peeraddr (hio_t* io); +HV_EXPORT void hio_set_context(hio_t* io, void* ctx); +HV_EXPORT void* hio_context(hio_t* io); +HV_EXPORT bool hio_is_opened(hio_t* io); +HV_EXPORT bool hio_is_closed(hio_t* io); + +// iobuf +// #include "hbuf.h" +typedef struct fifo_buf_s hio_readbuf_t; +// NOTE: One loop per thread, one readbuf per loop. +// But you can pass in your own readbuf instead of the default readbuf to avoid memcopy. +HV_EXPORT void hio_set_readbuf(hio_t* io, void* buf, size_t len); +HV_EXPORT hio_readbuf_t* hio_get_readbuf(hio_t* io); +HV_EXPORT void hio_set_max_read_bufsize (hio_t* io, uint32_t size); +HV_EXPORT void hio_set_max_write_bufsize(hio_t* io, uint32_t size); +// NOTE: hio_write is non-blocking, so there is a write queue inside hio_t to cache unwritten data and wait for writable. +// @return current buffer size of write queue. +HV_EXPORT size_t hio_write_bufsize(hio_t* io); +#define hio_write_is_complete(io) (hio_write_bufsize(io) == 0) + +HV_EXPORT uint64_t hio_last_read_time(hio_t* io); // ms +HV_EXPORT uint64_t hio_last_write_time(hio_t* io); // ms + +// set callbacks +HV_EXPORT void hio_setcb_accept (hio_t* io, haccept_cb accept_cb); +HV_EXPORT void hio_setcb_connect (hio_t* io, hconnect_cb connect_cb); +HV_EXPORT void hio_setcb_read (hio_t* io, hread_cb read_cb); +HV_EXPORT void hio_setcb_write (hio_t* io, hwrite_cb write_cb); +HV_EXPORT void hio_setcb_close (hio_t* io, hclose_cb close_cb); +// get callbacks +HV_EXPORT haccept_cb hio_getcb_accept(hio_t* io); +HV_EXPORT hconnect_cb hio_getcb_connect(hio_t* io); +HV_EXPORT hread_cb hio_getcb_read(hio_t* io); +HV_EXPORT hwrite_cb hio_getcb_write(hio_t* io); +HV_EXPORT hclose_cb hio_getcb_close(hio_t* io); + +// Enable SSL/TLS is so easy :) +HV_EXPORT int hio_enable_ssl(hio_t* io); +HV_EXPORT bool hio_is_ssl(hio_t* io); +HV_EXPORT int hio_set_ssl (hio_t* io, hssl_t ssl); +HV_EXPORT int hio_set_ssl_ctx(hio_t* io, hssl_ctx_t ssl_ctx); +// hssl_ctx_new(opt) -> hio_set_ssl_ctx +HV_EXPORT int hio_new_ssl_ctx(hio_t* io, hssl_ctx_opt_t* opt); +HV_EXPORT hssl_t hio_get_ssl(hio_t* io); +HV_EXPORT hssl_ctx_t hio_get_ssl_ctx(hio_t* io); +// for hssl_set_sni_hostname +HV_EXPORT int hio_set_hostname(hio_t* io, const char* hostname); +HV_EXPORT const char* hio_get_hostname(hio_t* io); + +// connect timeout => hclose_cb +HV_EXPORT void hio_set_connect_timeout(hio_t* io, int timeout_ms DEFAULT(HIO_DEFAULT_CONNECT_TIMEOUT)); +// close timeout => hclose_cb +HV_EXPORT void hio_set_close_timeout(hio_t* io, int timeout_ms DEFAULT(HIO_DEFAULT_CLOSE_TIMEOUT)); +// read timeout => hclose_cb +HV_EXPORT void hio_set_read_timeout(hio_t* io, int timeout_ms); +// write timeout => hclose_cb +HV_EXPORT void hio_set_write_timeout(hio_t* io, int timeout_ms); +// keepalive timeout => hclose_cb +HV_EXPORT void hio_set_keepalive_timeout(hio_t* io, int timeout_ms DEFAULT(HIO_DEFAULT_KEEPALIVE_TIMEOUT)); +/* +void send_heartbeat(hio_t* io) { + static char buf[] = "PING\r\n"; + hio_write(io, buf, 6); +} +hio_set_heartbeat(io, 3000, send_heartbeat); +*/ +typedef void (*hio_send_heartbeat_fn)(hio_t* io); +// heartbeat interval => hio_send_heartbeat_fn +HV_EXPORT void hio_set_heartbeat(hio_t* io, int interval_ms, hio_send_heartbeat_fn fn); + +// Nonblocking, poll IO events in the loop to call corresponding callback. +// hio_add(io, HV_READ) => accept => haccept_cb +HV_EXPORT int hio_accept (hio_t* io); + +// connect => hio_add(io, HV_WRITE) => hconnect_cb +HV_EXPORT int hio_connect(hio_t* io); + +// hio_add(io, HV_READ) => read => hread_cb +HV_EXPORT int hio_read (hio_t* io); +#define hio_read_start(io) hio_read(io) +#define hio_read_stop(io) hio_del(io, HV_READ) + +// hio_read_start => hread_cb => hio_read_stop +HV_EXPORT int hio_read_once (hio_t* io); +// hio_read_once => hread_cb(len) +HV_EXPORT int hio_read_until_length(hio_t* io, unsigned int len); +// hio_read_once => hread_cb(...delim) +HV_EXPORT int hio_read_until_delim (hio_t* io, unsigned char delim); +HV_EXPORT int hio_read_remain(hio_t* io); +// @see examples/tinyhttpd.c examples/tinyproxyd.c +#define hio_readline(io) hio_read_until_delim(io, '\n') +#define hio_readstring(io) hio_read_until_delim(io, '\0') +#define hio_readbytes(io, len) hio_read_until_length(io, len) +#define hio_read_until(io, len) hio_read_until_length(io, len) + +// NOTE: hio_write is thread-safe, locked by recursive_mutex, allow to be called by other threads. +// hio_try_write => hio_add(io, HV_WRITE) => write => hwrite_cb +HV_EXPORT int hio_write (hio_t* io, const void* buf, size_t len); + +// NOTE: hio_close is thread-safe, hio_close_async will be called actually in other thread. +// hio_del(io, HV_RDWR) => close => hclose_cb +HV_EXPORT int hio_close (hio_t* io); +// NOTE: hloop_post_event(hio_close_event) +HV_EXPORT int hio_close_async(hio_t* io); + +//------------------high-level apis------------------------------------------- +// hio_get -> hio_set_readbuf -> hio_setcb_read -> hio_read +HV_EXPORT hio_t* hread (hloop_t* loop, int fd, void* buf, size_t len, hread_cb read_cb); +// hio_get -> hio_setcb_write -> hio_write +HV_EXPORT hio_t* hwrite (hloop_t* loop, int fd, const void* buf, size_t len, hwrite_cb write_cb DEFAULT(NULL)); +// hio_get -> hio_close +HV_EXPORT void hclose (hloop_t* loop, int fd); + +// tcp +// hio_get -> hio_setcb_accept -> hio_accept +HV_EXPORT hio_t* haccept (hloop_t* loop, int listenfd, haccept_cb accept_cb); +// hio_get -> hio_setcb_connect -> hio_connect +HV_EXPORT hio_t* hconnect (hloop_t* loop, int connfd, hconnect_cb connect_cb); +// hio_get -> hio_set_readbuf -> hio_setcb_read -> hio_read +HV_EXPORT hio_t* hrecv (hloop_t* loop, int connfd, void* buf, size_t len, hread_cb read_cb); +// hio_get -> hio_setcb_write -> hio_write +HV_EXPORT hio_t* hsend (hloop_t* loop, int connfd, const void* buf, size_t len, hwrite_cb write_cb DEFAULT(NULL)); + +// udp +HV_EXPORT void hio_set_type(hio_t* io, hio_type_e type); +HV_EXPORT void hio_set_localaddr(hio_t* io, struct sockaddr* addr, int addrlen); +HV_EXPORT void hio_set_peeraddr (hio_t* io, struct sockaddr* addr, int addrlen); +// NOTE: must call hio_set_peeraddr before hrecvfrom/hsendto +// hio_get -> hio_set_readbuf -> hio_setcb_read -> hio_read +HV_EXPORT hio_t* hrecvfrom (hloop_t* loop, int sockfd, void* buf, size_t len, hread_cb read_cb); +// hio_get -> hio_setcb_write -> hio_write +HV_EXPORT hio_t* hsendto (hloop_t* loop, int sockfd, const void* buf, size_t len, hwrite_cb write_cb DEFAULT(NULL)); + +//-----------------top-level apis--------------------------------------------- +// @hio_create_socket: socket -> bind -> listen +// sockaddr_set_ipport -> socket -> hio_get(loop, sockfd) -> +// side == HIO_SERVER_SIDE ? bind -> +// type & HIO_TYPE_SOCK_STREAM ? listen -> +HV_EXPORT hio_t* hio_create_socket(hloop_t* loop, const char* host, int port, + hio_type_e type DEFAULT(HIO_TYPE_TCP), + hio_side_e side DEFAULT(HIO_SERVER_SIDE)); + +// @tcp_server: hio_create_socket(loop, host, port, HIO_TYPE_TCP, HIO_SERVER_SIDE) -> hio_setcb_accept -> hio_accept +// @see examples/tcp_echo_server.c +HV_EXPORT hio_t* hloop_create_tcp_server (hloop_t* loop, const char* host, int port, haccept_cb accept_cb); + +// @tcp_client: hio_create_socket(loop, host, port, HIO_TYPE_TCP, HIO_CLIENT_SIDE) -> hio_setcb_connect -> hio_setcb_close -> hio_connect +// @see examples/nc.c +HV_EXPORT hio_t* hloop_create_tcp_client (hloop_t* loop, const char* host, int port, hconnect_cb connect_cb, hclose_cb close_cb); + +// @ssl_server: hio_create_socket(loop, host, port, HIO_TYPE_SSL, HIO_SERVER_SIDE) -> hio_setcb_accept -> hio_accept +// @see examples/tcp_echo_server.c => #define TEST_SSL 1 +HV_EXPORT hio_t* hloop_create_ssl_server (hloop_t* loop, const char* host, int port, haccept_cb accept_cb); + +// @ssl_client: hio_create_socket(loop, host, port, HIO_TYPE_SSL, HIO_CLIENT_SIDE) -> hio_setcb_connect -> hio_setcb_close -> hio_connect +// @see examples/nc.c => #define TEST_SSL 1 +HV_EXPORT hio_t* hloop_create_ssl_client (hloop_t* loop, const char* host, int port, hconnect_cb connect_cb, hclose_cb close_cb); + +// @udp_server: hio_create_socket(loop, host, port, HIO_TYPE_UDP, HIO_SERVER_SIDE) +// @see examples/udp_echo_server.c +HV_EXPORT hio_t* hloop_create_udp_server (hloop_t* loop, const char* host, int port); + +// @udp_server: hio_create_socket(loop, host, port, HIO_TYPE_UDP, HIO_CLIENT_SIDE) +// @see examples/nc.c +HV_EXPORT hio_t* hloop_create_udp_client (hloop_t* loop, const char* host, int port); + +//-----------------upstream--------------------------------------------- +// hio_read(io) +// hio_read(io->upstream_io) +HV_EXPORT void hio_read_upstream(hio_t* io); +// hio_write(io->upstream_io, buf, bytes) +HV_EXPORT void hio_write_upstream(hio_t* io, void* buf, int bytes); +// hio_close(io->upstream_io) +HV_EXPORT void hio_close_upstream(hio_t* io); + +// io1->upstream_io = io2; +// io2->upstream_io = io1; +// @see examples/socks5_proxy_server.c +HV_EXPORT void hio_setup_upstream(hio_t* io1, hio_t* io2); + +// @return io->upstream_io +HV_EXPORT hio_t* hio_get_upstream(hio_t* io); + +// @tcp_upstream: hio_create_socket -> hio_setup_upstream -> hio_connect -> on_connect -> hio_read_upstream +// @return upstream_io +// @see examples/tcp_proxy_server.c +HV_EXPORT hio_t* hio_setup_tcp_upstream(hio_t* io, const char* host, int port, int ssl DEFAULT(0)); +#define hio_setup_ssl_upstream(io, host, port) hio_setup_tcp_upstream(io, host, port, 1) + +// @udp_upstream: hio_create_socket -> hio_setup_upstream -> hio_read_upstream +// @return upstream_io +// @see examples/udp_proxy_server.c +HV_EXPORT hio_t* hio_setup_udp_upstream(hio_t* io, const char* host, int port); + +//-----------------unpack--------------------------------------------- +typedef enum { + UNPACK_MODE_NONE = 0, + UNPACK_BY_FIXED_LENGTH = 1, // Not recommended + UNPACK_BY_DELIMITER = 2, // Suitable for text protocol + UNPACK_BY_LENGTH_FIELD = 3, // Suitable for binary protocol +} unpack_mode_e; + +#define DEFAULT_PACKAGE_MAX_LENGTH (1 << 21) // 2M + +// UNPACK_BY_DELIMITER +#define PACKAGE_MAX_DELIMITER_BYTES 8 + +// UNPACK_BY_LENGTH_FIELD +typedef enum { + ENCODE_BY_VARINT = 17, // 1 MSB + 7 bits + ENCODE_BY_LITTEL_ENDIAN = LITTLE_ENDIAN, // 1234 + ENCODE_BY_BIG_ENDIAN = BIG_ENDIAN, // 4321 +} unpack_coding_e; + +typedef struct unpack_setting_s { + unpack_mode_e mode; + unsigned int package_max_length; + union { + // UNPACK_BY_FIXED_LENGTH + struct { + unsigned int fixed_length; + }; + // UNPACK_BY_DELIMITER + struct { + unsigned char delimiter[PACKAGE_MAX_DELIMITER_BYTES]; + unsigned short delimiter_bytes; + }; + // UNPACK_BY_LENGTH_FIELD + /* package_len = head_len + body_len + length_adjustment + * + * if (length_field_coding == ENCODE_BY_VARINT) head_len = body_offset + varint_bytes - length_field_bytes; + * else head_len = body_offset; + * + * body_len calc by length_field + * + */ + struct { + unsigned short body_offset; + unsigned short length_field_offset; + unsigned short length_field_bytes; + short length_adjustment; + unpack_coding_e length_field_coding; + }; + }; +#ifdef __cplusplus + unpack_setting_s() { + // Recommended setting: + // head = flags:1byte + length:4bytes = 5bytes + mode = UNPACK_BY_LENGTH_FIELD; + package_max_length = DEFAULT_PACKAGE_MAX_LENGTH; + fixed_length = 0; + delimiter_bytes = 0; + body_offset = 5; + length_field_offset = 1; + length_field_bytes = 4; + length_field_coding = ENCODE_BY_BIG_ENDIAN; + length_adjustment = 0; + } +#endif +} unpack_setting_t; + +// @see examples/jsonrpc examples/protorpc +HV_EXPORT void hio_set_unpack(hio_t* io, unpack_setting_t* setting); +HV_EXPORT void hio_unset_unpack(hio_t* io); + +// unpack examples +/* +unpack_setting_t ftp_unpack_setting; +memset(&ftp_unpack_setting, 0, sizeof(unpack_setting_t)); +ftp_unpack_setting.package_max_length = DEFAULT_PACKAGE_MAX_LENGTH; +ftp_unpack_setting.mode = UNPACK_BY_DELIMITER; +ftp_unpack_setting.delimiter[0] = '\r'; +ftp_unpack_setting.delimiter[1] = '\n'; +ftp_unpack_setting.delimiter_bytes = 2; + +unpack_setting_t mqtt_unpack_setting = { + .mode = UNPACK_BY_LENGTH_FIELD, + .package_max_length = DEFAULT_PACKAGE_MAX_LENGTH, + .body_offset = 2, + .length_field_offset = 1, + .length_field_bytes = 1, + .length_field_coding = ENCODE_BY_VARINT, +}; + +unpack_setting_t grpc_unpack_setting = { + .mode = UNPACK_BY_LENGTH_FIELD, + .package_max_length = DEFAULT_PACKAGE_MAX_LENGTH, + .body_offset = 5, + .length_field_offset = 1, + .length_field_bytes = 4, + .length_field_coding = ENCODE_BY_BIG_ENDIAN, +}; +*/ + +//-----------------reconnect---------------------------------------- +#define DEFAULT_RECONNECT_MIN_DELAY 1000 // ms +#define DEFAULT_RECONNECT_MAX_DELAY 60000 // ms +#define DEFAULT_RECONNECT_DELAY_POLICY 2 // exponential +#define DEFAULT_RECONNECT_MAX_RETRY_CNT INFINITE +typedef struct reconn_setting_s { + uint32_t min_delay; // ms + uint32_t max_delay; // ms + uint32_t cur_delay; // ms + /* + * @delay_policy + * 0: fixed + * min_delay=3s => 3,3,3... + * 1: linear + * min_delay=3s max_delay=10s => 3,6,9,10,10... + * other: exponential + * min_delay=3s max_delay=60s delay_policy=2 => 3,6,12,24,48,60,60... + */ + uint32_t delay_policy; + uint32_t max_retry_cnt; + uint32_t cur_retry_cnt; + +#ifdef __cplusplus + reconn_setting_s() { + min_delay = DEFAULT_RECONNECT_MIN_DELAY; + max_delay = DEFAULT_RECONNECT_MAX_DELAY; + cur_delay = 0; + // 1,2,4,8,16,32,60,60... + delay_policy = DEFAULT_RECONNECT_DELAY_POLICY; + max_retry_cnt = DEFAULT_RECONNECT_MAX_RETRY_CNT; + cur_retry_cnt = 0; + } +#endif +} reconn_setting_t; + +HV_INLINE void reconn_setting_init(reconn_setting_t* reconn) { + reconn->min_delay = DEFAULT_RECONNECT_MIN_DELAY; + reconn->max_delay = DEFAULT_RECONNECT_MAX_DELAY; + reconn->cur_delay = 0; + // 1,2,4,8,16,32,60,60... + reconn->delay_policy = DEFAULT_RECONNECT_DELAY_POLICY; + reconn->max_retry_cnt = DEFAULT_RECONNECT_MAX_RETRY_CNT; + reconn->cur_retry_cnt = 0; +} + +HV_INLINE void reconn_setting_reset(reconn_setting_t* reconn) { + reconn->cur_delay = 0; + reconn->cur_retry_cnt = 0; +} + +HV_INLINE bool reconn_setting_can_retry(reconn_setting_t* reconn) { + ++reconn->cur_retry_cnt; + return reconn->max_retry_cnt == INFINITE || + reconn->cur_retry_cnt < reconn->max_retry_cnt; +} + +HV_INLINE uint32_t reconn_setting_calc_delay(reconn_setting_t* reconn) { + if (reconn->delay_policy == 0) { + // fixed + reconn->cur_delay = reconn->min_delay; + } else if (reconn->delay_policy == 1) { + // linear + reconn->cur_delay += reconn->min_delay; + } else { + // exponential + reconn->cur_delay *= reconn->delay_policy; + } + reconn->cur_delay = MAX(reconn->cur_delay, reconn->min_delay); + reconn->cur_delay = MIN(reconn->cur_delay, reconn->max_delay); + return reconn->cur_delay; +} + +//-----------------LoadBalance------------------------------------- +typedef enum { + LB_RoundRobin, + LB_Random, + LB_LeastConnections, + LB_IpHash, + LB_UrlHash, +} load_balance_e; + +//-----------------rudp--------------------------------------------- +#if WITH_KCP +#define WITH_RUDP 1 +#endif + +#if WITH_RUDP +// NOTE: hio_close_rudp is thread-safe. +HV_EXPORT int hio_close_rudp(hio_t* io, struct sockaddr* peeraddr DEFAULT(NULL)); +#endif + +#if WITH_KCP +typedef struct kcp_setting_s { + // ikcp_create(conv, ...) + unsigned int conv; + // ikcp_nodelay(kcp, nodelay, interval, fastresend, nocwnd) + int nodelay; + int interval; + int fastresend; + int nocwnd; + // ikcp_wndsize(kcp, sndwnd, rcvwnd) + int sndwnd; + int rcvwnd; + // ikcp_setmtu(kcp, mtu) + int mtu; + // ikcp_update + int update_interval; + +#ifdef __cplusplus + kcp_setting_s() { + conv = 0x11223344; + // normal mode + nodelay = 0; + interval = 40; + fastresend = 0; + nocwnd = 0; + // fast mode + // nodelay = 1; + // interval = 10; + // fastresend = 2; + // nocwnd = 1; + + sndwnd = 0; + rcvwnd = 0; + mtu = 1400; + update_interval = 10; // ms + } +#endif +} kcp_setting_t; + +// @see examples/udp_echo_server.c => #define TEST_KCP 1 +HV_EXPORT int hio_set_kcp(hio_t* io, kcp_setting_t* setting DEFAULT(NULL)); +#endif + +END_EXTERN_C + +#endif // HV_LOOP_H_ diff --git a/sdk/include/hv/hmain.h b/sdk/include/hv/hmain.h new file mode 100644 index 0000000..a5aba0c --- /dev/null +++ b/sdk/include/hv/hmain.h @@ -0,0 +1,117 @@ +#ifndef HV_MAIN_H_ +#define HV_MAIN_H_ + +#include "hexport.h" +#include "hplatform.h" +#include "hdef.h" +#include "hproc.h" + +#ifdef _MSC_VER +#pragma comment(lib, "winmm.lib") // for timeSetEvent +#endif + +BEGIN_EXTERN_C + +typedef struct main_ctx_s { + char run_dir[MAX_PATH]; + char program_name[MAX_PATH]; + + char confile[MAX_PATH]; // default etc/${program}.conf + char pidfile[MAX_PATH]; // default logs/${program}.pid + char logfile[MAX_PATH]; // default logs/${program}.log + + pid_t pid; // getpid + pid_t oldpid; // getpid_from_pidfile + + // arg + int argc; + int arg_len; + char** os_argv; + char** save_argv; + char* cmdline; + // parsed arg + int arg_kv_size; + char** arg_kv; + int arg_list_size; + char** arg_list; + + // env + int envc; + int env_len; + char** os_envp; + char** save_envp; + + // signals + procedure_t reload_fn; + void* reload_userdata; + // master workers model + int worker_processes; + int worker_threads; + procedure_t worker_fn; + void* worker_userdata; + proc_ctx_t* proc_ctxs; +} main_ctx_t; + +// arg_type +#define NO_ARGUMENT 0 +#define REQUIRED_ARGUMENT 1 +#define OPTIONAL_ARGUMENT 2 +// option define +#define OPTION_PREFIX '-' +#define OPTION_DELIM '=' +#define OPTION_ENABLE "1" +#define OPTION_DISABLE "0" +typedef struct option_s { + char short_opt; + const char* long_opt; + int arg_type; +} option_t; + +HV_EXPORT int main_ctx_init(int argc, char** argv); +HV_EXPORT void main_ctx_free(); + +// ls -a -l +// ls -al +// watch -n 10 ls +// watch -n10 ls +HV_EXPORT int parse_opt(int argc, char** argv, const char* opt); +// gcc -g -Wall -O3 -std=cpp main.c +HV_EXPORT int parse_opt_long(int argc, char** argv, const option_t* long_options, int size); +HV_EXPORT const char* get_arg(const char* key); +HV_EXPORT const char* get_env(const char* key); + +#if defined(OS_UNIX) && !HAVE_SETPROCTITLE +HV_EXPORT void setproctitle(const char* fmt, ...); +#endif + +// pidfile +HV_EXPORT int create_pidfile(); +HV_EXPORT void delete_pidfile(); +HV_EXPORT pid_t getpid_from_pidfile(); + +// signal=[start,stop,restart,status,reload] +HV_EXPORT int signal_init(procedure_t reload_fn DEFAULT(NULL), void* reload_userdata DEFAULT(NULL)); +HV_EXPORT void signal_handle(const char* signal); +#ifdef OS_UNIX +// we use SIGTERM to quit process, SIGUSR1 to reload confile +#define SIGNAL_TERMINATE SIGTERM +#define SIGNAL_RELOAD SIGUSR1 +void signal_handler(int signo); +#endif + +// global var +#define DEFAULT_WORKER_PROCESSES 4 +#define MAXNUM_WORKER_PROCESSES 256 +HV_EXPORT extern main_ctx_t g_main_ctx; + +// master-workers processes +HV_EXPORT int master_workers_run( + procedure_t worker_fn, + void* worker_userdata DEFAULT(NULL), + int worker_processes DEFAULT(DEFAULT_WORKER_PROCESSES), + int worker_threads DEFAULT(0), + bool wait DEFAULT(true)); + +END_EXTERN_C + +#endif // HV_MAIN_H_ diff --git a/sdk/include/hv/hmap.h b/sdk/include/hv/hmap.h new file mode 100644 index 0000000..8ac014e --- /dev/null +++ b/sdk/include/hv/hmap.h @@ -0,0 +1,56 @@ +#ifndef HV_MAP_H_ +#define HV_MAP_H_ + +#include "hconfig.h" + +#include +#include + +// MultiMap +namespace std { +/* +int main() { + std::MultiMap kvs; + kvs["name"] = "hw"; + kvs["filename"] = "1.jpg"; + kvs["filename"] = "2.jpg"; + //kvs.insert(std::pair("name", "hw")); + //kvs.insert(std::pair("filename", "1.jpg")); + //kvs.insert(std::pair("filename", "2.jpg")); + for (auto& pair : kvs) { + printf("%s:%s\n", pair.first.c_str(), pair.second.c_str()); + } + auto iter = kvs.find("filename"); + if (iter != kvs.end()) { + for (int i = 0; i < kvs.count("filename"); ++i, ++iter) { + printf("%s:%s\n", iter->first.c_str(), iter->second.c_str()); + } + } + return 0; +} + */ +template +class MultiMap : public multimap { +public: + Value& operator[](Key key) { + auto iter = this->insert(std::pair(key,Value())); + return (*iter).second; + } +}; +} + +#ifdef USE_MULTIMAP +#define HV_MAP std::MultiMap +#else +#define HV_MAP std::map +#endif + +// KeyValue +typedef std::map keyval_t; +typedef std::MultiMap multi_keyval_t; + +namespace hv { +typedef HV_MAP KeyValue; +} + +#endif // HV_MAP_H_ diff --git a/sdk/include/hv/hmath.h b/sdk/include/hv/hmath.h new file mode 100644 index 0000000..d29fb01 --- /dev/null +++ b/sdk/include/hv/hmath.h @@ -0,0 +1,68 @@ +#ifndef HV_MATH_H_ +#define HV_MATH_H_ + +#include + +static inline unsigned long floor2e(unsigned long num) { + unsigned long n = num; + int e = 0; + while (n>>=1) ++e; + unsigned long ret = 1; + while (e--) ret<<=1; + return ret; +} + +static inline unsigned long ceil2e(unsigned long num) { + // 2**0 = 1 + if (num == 0 || num == 1) return 1; + unsigned long n = num - 1; + int e = 1; + while (n>>=1) ++e; + unsigned long ret = 1; + while (e--) ret<<=1; + return ret; +} + +// varint little-endian +// MSB +static inline int varint_encode(long long value, unsigned char* buf) { + unsigned char ch; + unsigned char *p = buf; + int bytes = 0; + do { + ch = value & 0x7F; + value >>= 7; + *p++ = value == 0 ? ch : (ch | 0x80); + ++bytes; + } while (value); + return bytes; +} + +// @param[IN|OUT] len: in=>buflen, out=>varint bytesize +static inline long long varint_decode(const unsigned char* buf, int* len) { + long long ret = 0; + int bytes = 0, bits = 0; + const unsigned char *p = buf; + do { + if (len && *len && bytes == *len) { + // Not enough length + *len = 0; + return 0; + } + ret |= ((long long)(*p & 0x7F)) << bits; + ++bytes; + if ((*p & 0x80) == 0) { + // Found end + if (len) *len = bytes; + return ret; + } + ++p; + bits += 7; + } while(bytes < 10); + + // Not found end + if (len) *len = -1; + return ret; +} + +#endif // HV_MATH_H_ diff --git a/sdk/include/hv/hmutex.h b/sdk/include/hv/hmutex.h new file mode 100644 index 0000000..c1791b2 --- /dev/null +++ b/sdk/include/hv/hmutex.h @@ -0,0 +1,268 @@ +#ifndef HV_MUTEX_H_ +#define HV_MUTEX_H_ + +#include "hexport.h" +#include "hplatform.h" +#include "htime.h" + +BEGIN_EXTERN_C + +#ifdef _MSC_VER +#define hmutex_t CRITICAL_SECTION +#define hmutex_init InitializeCriticalSection +#define hmutex_destroy DeleteCriticalSection +#define hmutex_lock EnterCriticalSection +#define hmutex_unlock LeaveCriticalSection + +#define hrecursive_mutex_t CRITICAL_SECTION +#define hrecursive_mutex_init InitializeCriticalSection +#define hrecursive_mutex_destroy DeleteCriticalSection +#define hrecursive_mutex_lock EnterCriticalSection +#define hrecursive_mutex_unlock LeaveCriticalSection + +#define HSPINLOCK_COUNT -1 +#define hspinlock_t CRITICAL_SECTION +#define hspinlock_init(pspin) InitializeCriticalSectionAndSpinCount(pspin, HSPINLOCK_COUNT) +#define hspinlock_destroy DeleteCriticalSection +#define hspinlock_lock EnterCriticalSection +#define hspinlock_unlock LeaveCriticalSection + +#define hrwlock_t SRWLOCK +#define hrwlock_init InitializeSRWLock +#define hrwlock_destroy(plock) +#define hrwlock_rdlock AcquireSRWLockShared +#define hrwlock_rdunlock ReleaseSRWLockShared +#define hrwlock_wrlock AcquireSRWLockExclusive +#define hrwlock_wrunlock ReleaseSRWLockExclusive + +#define htimed_mutex_t HANDLE +#define htimed_mutex_init(pmutex) *(pmutex) = CreateMutex(NULL, FALSE, NULL) +#define htimed_mutex_destroy(pmutex) CloseHandle(*(pmutex)) +#define htimed_mutex_lock(pmutex) WaitForSingleObject(*(pmutex), INFINITE) +#define htimed_mutex_unlock(pmutex) ReleaseMutex(*(pmutex)) +// true: WAIT_OBJECT_0 +// false: WAIT_OBJECT_TIMEOUT +#define htimed_mutex_lock_for(pmutex, ms) ( WaitForSingleObject(*(pmutex), ms) == WAIT_OBJECT_0 ) + +#define hcondvar_t CONDITION_VARIABLE +#define hcondvar_init InitializeConditionVariable +#define hcondvar_destroy(pcond) +#define hcondvar_wait(pcond, pmutex) SleepConditionVariableCS(pcond, pmutex, INFINITE) +#define hcondvar_wait_for(pcond, pmutex, ms) SleepConditionVariableCS(pcond, pmutex, ms) +#define hcondvar_signal WakeConditionVariable +#define hcondvar_broadcast WakeAllConditionVariable + +#define honce_t INIT_ONCE +#define HONCE_INIT INIT_ONCE_STATIC_INIT +typedef void (*honce_fn)(); +static inline BOOL WINAPI s_once_func(INIT_ONCE* once, PVOID arg, PVOID* _) { + honce_fn fn = (honce_fn)arg; + fn(); + return TRUE; +} +static inline void honce(honce_t* once, honce_fn fn) { + PVOID dummy = NULL; + InitOnceExecuteOnce(once, s_once_func, (PVOID)fn, &dummy); +} + +#define hsem_t HANDLE +#define hsem_init(psem, value) *(psem) = CreateSemaphore(NULL, value, value+100000, NULL) +#define hsem_destroy(psem) CloseHandle(*(psem)) +#define hsem_wait(psem) WaitForSingleObject(*(psem), INFINITE) +#define hsem_post(psem) ReleaseSemaphore(*(psem), 1, NULL) +// true: WAIT_OBJECT_0 +// false: WAIT_OBJECT_TIMEOUT +#define hsem_wait_for(psem, ms) ( WaitForSingleObject(*(psem), ms) == WAIT_OBJECT_0 ) + +#else +#define hmutex_t pthread_mutex_t +#define hmutex_init(pmutex) pthread_mutex_init(pmutex, NULL) +#define hmutex_destroy pthread_mutex_destroy +#define hmutex_lock pthread_mutex_lock +#define hmutex_unlock pthread_mutex_unlock + +#define hrecursive_mutex_t pthread_mutex_t +#define hrecursive_mutex_init(pmutex) \ + do {\ + pthread_mutexattr_t attr;\ + pthread_mutexattr_init(&attr);\ + pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);\ + pthread_mutex_init(pmutex, &attr);\ + } while(0) +#define hrecursive_mutex_destroy pthread_mutex_destroy +#define hrecursive_mutex_lock pthread_mutex_lock +#define hrecursive_mutex_unlock pthread_mutex_unlock + +#if HAVE_PTHREAD_SPIN_LOCK +#define hspinlock_t pthread_spinlock_t +#define hspinlock_init(pspin) pthread_spin_init(pspin, PTHREAD_PROCESS_PRIVATE) +#define hspinlock_destroy pthread_spin_destroy +#define hspinlock_lock pthread_spin_lock +#define hspinlock_unlock pthread_spin_unlock +#else +#define hspinlock_t pthread_mutex_t +#define hspinlock_init(pmutex) pthread_mutex_init(pmutex, NULL) +#define hspinlock_destroy pthread_mutex_destroy +#define hspinlock_lock pthread_mutex_lock +#define hspinlock_unlock pthread_mutex_unlock +#endif + +#define hrwlock_t pthread_rwlock_t +#define hrwlock_init(prwlock) pthread_rwlock_init(prwlock, NULL) +#define hrwlock_destroy pthread_rwlock_destroy +#define hrwlock_rdlock pthread_rwlock_rdlock +#define hrwlock_rdunlock pthread_rwlock_unlock +#define hrwlock_wrlock pthread_rwlock_wrlock +#define hrwlock_wrunlock pthread_rwlock_unlock + +#define htimed_mutex_t pthread_mutex_t +#define htimed_mutex_init(pmutex) pthread_mutex_init(pmutex, NULL) +#define htimed_mutex_destroy pthread_mutex_destroy +#define htimed_mutex_lock pthread_mutex_lock +#define htimed_mutex_unlock pthread_mutex_unlock +static inline void timespec_after(struct timespec* ts, unsigned int ms) { + struct timeval tv; + gettimeofday(&tv, NULL); + ts->tv_sec = tv.tv_sec + ms / 1000; + ts->tv_nsec = tv.tv_usec * 1000 + ms % 1000 * 1000000; + if (ts->tv_nsec >= 1000000000) { + ts->tv_nsec -= 1000000000; + ts->tv_sec += 1; + } +} +// true: OK +// false: ETIMEDOUT +static inline int htimed_mutex_lock_for(htimed_mutex_t* mutex, unsigned int ms) { +#if HAVE_PTHREAD_MUTEX_TIMEDLOCK + struct timespec ts; + timespec_after(&ts, ms); + return pthread_mutex_timedlock(mutex, &ts) != ETIMEDOUT; +#else + int ret = 0; + unsigned int end = gettick_ms() + ms; + while ((ret = pthread_mutex_trylock(mutex)) != 0) { + if (gettick_ms() >= end) { + break; + } + hv_msleep(1); + } + return ret == 0; +#endif +} + +#define hcondvar_t pthread_cond_t +#define hcondvar_init(pcond) pthread_cond_init(pcond, NULL) +#define hcondvar_destroy pthread_cond_destroy +#define hcondvar_wait pthread_cond_wait +#define hcondvar_signal pthread_cond_signal +#define hcondvar_broadcast pthread_cond_broadcast +// true: OK +// false: ETIMEDOUT +static inline int hcondvar_wait_for(hcondvar_t* cond, hmutex_t* mutex, unsigned int ms) { + struct timespec ts; + timespec_after(&ts, ms); + return pthread_cond_timedwait(cond, mutex, &ts) != ETIMEDOUT; +} + +#define honce_t pthread_once_t +#define HONCE_INIT PTHREAD_ONCE_INIT +#define honce pthread_once + +#include +#define hsem_t sem_t +#define hsem_init(psem, value) sem_init(psem, 0, value) +#define hsem_destroy sem_destroy +#define hsem_wait sem_wait +#define hsem_post sem_post +// true: OK +// false: ETIMEDOUT +static inline int hsem_wait_for(hsem_t* sem, unsigned int ms) { +#if HAVE_SEM_TIMEDWAIT + struct timespec ts; + timespec_after(&ts, ms); + return sem_timedwait(sem, &ts) != ETIMEDOUT; +#else + int ret = 0; + unsigned int end = gettick_ms() + ms; + while ((ret = sem_trywait(sem)) != 0) { + if (gettick_ms() >= end) { + break; + } + hv_msleep(1); + } + return ret == 0; +#endif +} + +#endif + +END_EXTERN_C + +#ifdef __cplusplus +#include +#include +// using std::mutex; +// NOTE: test std::timed_mutex incorrect in some platforms, use htimed_mutex_t +// using std::timed_mutex; +using std::condition_variable; +using std::lock_guard; +using std::unique_lock; + +BEGIN_NAMESPACE_HV + +class MutexLock { +public: + MutexLock() { hmutex_init(&_mutex); } + ~MutexLock() { hmutex_destroy(&_mutex); } + + void lock() { hmutex_lock(&_mutex); } + void unlock() { hmutex_unlock(&_mutex); } +protected: + hmutex_t _mutex; +}; + +class SpinLock { +public: + SpinLock() { hspinlock_init(&_spin); } + ~SpinLock() { hspinlock_destroy(&_spin); } + + void lock() { hspinlock_lock(&_spin); } + void unlock() { hspinlock_unlock(&_spin); } +protected: + hspinlock_t _spin; +}; + +class RWLock { +public: + RWLock() { hrwlock_init(&_rwlock); } + ~RWLock() { hrwlock_destroy(&_rwlock); } + + void rdlock() { hrwlock_rdlock(&_rwlock); } + void rdunlock() { hrwlock_rdunlock(&_rwlock); } + + void wrlock() { hrwlock_wrlock(&_rwlock); } + void wrunlock() { hrwlock_wrunlock(&_rwlock); } + + void lock() { rdlock(); } + void unlock() { rdunlock(); } +protected: + hrwlock_t _rwlock; +}; + +template +class LockGuard { +public: + LockGuard(T& t) : _lock(t) { _lock.lock(); } + ~LockGuard() { _lock.unlock(); } +protected: + T& _lock; +}; + +END_NAMESPACE_HV + +// same as java synchronized(lock) { ... } +#define synchronized(lock) for (std::lock_guard _lock_(lock), *p = &_lock_; p != NULL; p = NULL) + +#endif // __cplusplus + +#endif // HV_MUTEX_H_ diff --git a/sdk/include/hv/hobjectpool.h b/sdk/include/hv/hobjectpool.h new file mode 100644 index 0000000..45f20c6 --- /dev/null +++ b/sdk/include/hv/hobjectpool.h @@ -0,0 +1,179 @@ +#ifndef HV_OBJECT_POOL_H_ +#define HV_OBJECT_POOL_H_ + +#include +#include +#include +#include + +#define DEFAULT_OBJECT_POOL_INIT_NUM 0 +#define DEFAULT_OBJECT_POOL_MAX_NUM 4 +#define DEFAULT_OBJECT_POOL_TIMEOUT 3000 // ms + +template +class HObjectFactory { +public: + static T* create() { + return new T; + } +}; + +template> +class HObjectPool { +public: + HObjectPool( + int init_num = DEFAULT_OBJECT_POOL_INIT_NUM, + int max_num = DEFAULT_OBJECT_POOL_MAX_NUM, + int timeout = DEFAULT_OBJECT_POOL_TIMEOUT) + : _max_num(max_num) + , _timeout(timeout) + { + for (int i = 0; i < init_num; ++i) { + T* p = TFactory::create(); + if (p) { + objects_.push_back(std::shared_ptr(p)); + } + } + _object_num = objects_.size(); + } + + ~HObjectPool() {} + + int ObjectNum() { return _object_num; } + int IdleNum() { return objects_.size(); } + int BorrowNum() { return ObjectNum() - IdleNum(); } + + std::shared_ptr TryBorrow() { + std::shared_ptr pObj = NULL; + std::lock_guard locker(mutex_); + if (!objects_.empty()) { + pObj = objects_.front(); + objects_.pop_front(); + } + return pObj; + } + + std::shared_ptr Borrow() { + std::shared_ptr pObj = TryBorrow(); + if (pObj) { + return pObj; + } + + std::unique_lock locker(mutex_); + if (_object_num < _max_num) { + ++_object_num; + // NOTE: unlock to avoid TFactory::create block + mutex_.unlock(); + T* p = TFactory::create(); + mutex_.lock(); + if (!p) --_object_num; + return std::shared_ptr(p); + } + + if (_timeout > 0) { + std::cv_status status = cond_.wait_for(locker, std::chrono::milliseconds(_timeout)); + if (status == std::cv_status::timeout) { + return NULL; + } + if (!objects_.empty()) { + pObj = objects_.front(); + objects_.pop_front(); + return pObj; + } + else { + // WARN: No idle object + } + } + return pObj; + } + + void Return(std::shared_ptr& pObj) { + if (!pObj) return; + std::lock_guard locker(mutex_); + objects_.push_back(pObj); + cond_.notify_one(); + } + + bool Add(std::shared_ptr& pObj) { + std::lock_guard locker(mutex_); + if (_object_num >= _max_num) { + return false; + } + objects_.push_back(pObj); + ++_object_num; + cond_.notify_one(); + return true; + } + + bool Remove(std::shared_ptr& pObj) { + std::lock_guard locker(mutex_); + auto iter = objects_.begin(); + while (iter != objects_.end()) { + if (*iter == pObj) { + iter = objects_.erase(iter); + --_object_num; + return true; + } + else { + ++iter; + } + } + return false; + } + + void Clear() { + std::lock_guard locker(mutex_); + objects_.clear(); + _object_num = 0; + } + + int _object_num; + int _max_num; + int _timeout; +private: + std::list> objects_; + std::mutex mutex_; + std::condition_variable cond_; +}; + +template> +class HPoolObject { +public: + typedef HObjectPool PoolType; + + HPoolObject(PoolType& pool) : pool_(pool) + { + sptr_ = pool_.Borrow(); + } + + ~HPoolObject() { + if (sptr_) { + pool_.Return(sptr_); + } + } + + HPoolObject(const HPoolObject&) = delete; + HPoolObject& operator=(const HPoolObject&) = delete; + + T* get() { + return sptr_.get(); + } + + operator bool() { + return sptr_.get() != NULL; + } + + T* operator->() { + return sptr_.get(); + } + + T operator*() { + return *sptr_.get(); + } + +private: + PoolType& pool_; + std::shared_ptr sptr_; +}; + +#endif // HV_OBJECT_POOL_H_ diff --git a/sdk/include/hv/hpath.h b/sdk/include/hv/hpath.h new file mode 100644 index 0000000..28d39e2 --- /dev/null +++ b/sdk/include/hv/hpath.h @@ -0,0 +1,28 @@ +#ifndef HV_PATH_H_ +#define HV_PATH_H_ + +#include // for std::string + +#include "hexport.h" + +class HV_EXPORT HPath { +public: + static bool exists(const char* path); + static bool isdir(const char* path); + static bool isfile(const char* path); + static bool islink(const char* path); + + // filepath = /mnt/share/image/test.jpg + // basename = test.jpg + // dirname = /mnt/share/image + // filename = test + // suffixname = jpg + static std::string basename(const std::string& filepath); + static std::string dirname(const std::string& filepath); + static std::string filename(const std::string& filepath); + static std::string suffixname(const std::string& filepath); + + static std::string join(const std::string& dir, const std::string& filename); +}; + +#endif // HV_PATH_H_ diff --git a/sdk/include/hv/hplatform.h b/sdk/include/hv/hplatform.h new file mode 100644 index 0000000..0486837 --- /dev/null +++ b/sdk/include/hv/hplatform.h @@ -0,0 +1,305 @@ +#ifndef HV_PLATFORM_H_ +#define HV_PLATFORM_H_ + +#include "hconfig.h" + +// OS +#if defined(WIN64) || defined(_WIN64) + #define OS_WIN64 + #define OS_WIN32 +#elif defined(WIN32)|| defined(_WIN32) + #define OS_WIN32 +#elif defined(ANDROID) || defined(__ANDROID__) + #define OS_ANDROID + #define OS_LINUX +#elif defined(linux) || defined(__linux) || defined(__linux__) + #define OS_LINUX +#elif defined(__APPLE__) && (defined(__GNUC__) || defined(__xlC__) || defined(__xlc__)) + #include + #if defined(TARGET_OS_MAC) && TARGET_OS_MAC + #define OS_MAC + #elif defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE + #define OS_IOS + #endif + #define OS_DARWIN +#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) + #define OS_FREEBSD + #define OS_BSD +#elif defined(__NetBSD__) + #define OS_NETBSD + #define OS_BSD +#elif defined(__OpenBSD__) + #define OS_OPENBSD + #define OS_BSD +#elif defined(sun) || defined(__sun) || defined(__sun__) + #define OS_SOLARIS +#else + #warning "Untested operating system platform!" +#endif + +#if defined(OS_WIN32) || defined(OS_WIN64) + #undef OS_UNIX + #define OS_WIN +#else + #define OS_UNIX +#endif + +// ARCH +#if defined(__i386) || defined(__i386__) || defined(_M_IX86) + #define ARCH_X86 + #define ARCH_X86_32 +#elif defined(__x86_64) || defined(__x86_64__) || defined(__amd64) || defined(_M_X64) + #define ARCH_X64 + #define ARCH_X86_64 +#elif defined(__arm__) + #define ARCH_ARM +#elif defined(__aarch64__) || defined(__ARM64__) + #define ARCH_ARM64 +#else + #warning "Untested hardware architecture!" +#endif + +// COMPILER +#if defined (_MSC_VER) +#define COMPILER_MSVC + +#if (_MSC_VER < 1200) // Visual C++ 6.0 +#define MSVS_VERSION 1998 +#define MSVC_VERSION 60 +#elif (_MSC_VER >= 1200) && (_MSC_VER < 1300) // Visual Studio 2002, MSVC++ 7.0 +#define MSVS_VERSION 2002 +#define MSVC_VERSION 70 +#elif (_MSC_VER >= 1300) && (_MSC_VER < 1400) // Visual Studio 2003, MSVC++ 7.1 +#define MSVS_VERSION 2003 +#define MSVC_VERSION 71 +#elif (_MSC_VER >= 1400) && (_MSC_VER < 1500) // Visual Studio 2005, MSVC++ 8.0 +#define MSVS_VERSION 2005 +#define MSVC_VERSION 80 +#elif (_MSC_VER >= 1500) && (_MSC_VER < 1600) // Visual Studio 2008, MSVC++ 9.0 +#define MSVS_VERSION 2008 +#define MSVC_VERSION 90 +#elif (_MSC_VER >= 1600) && (_MSC_VER < 1700) // Visual Studio 2010, MSVC++ 10.0 +#define MSVS_VERSION 2010 +#define MSVC_VERSION 100 +#elif (_MSC_VER >= 1700) && (_MSC_VER < 1800) // Visual Studio 2012, MSVC++ 11.0 +#define MSVS_VERSION 2012 +#define MSVC_VERSION 110 +#elif (_MSC_VER >= 1800) && (_MSC_VER < 1900) // Visual Studio 2013, MSVC++ 12.0 +#define MSVS_VERSION 2013 +#define MSVC_VERSION 120 +#elif (_MSC_VER >= 1900) && (_MSC_VER < 1910) // Visual Studio 2015, MSVC++ 14.0 +#define MSVS_VERSION 2015 +#define MSVC_VERSION 140 +#elif (_MSC_VER >= 1910) && (_MSC_VER < 1920) // Visual Studio 2017, MSVC++ 15.0 +#define MSVS_VERSION 2017 +#define MSVC_VERSION 150 +#elif (_MSC_VER >= 1920) && (_MSC_VER < 2000) // Visual Studio 2019, MSVC++ 16.0 +#define MSVS_VERSION 2019 +#define MSVC_VERSION 160 +#endif + +#undef HAVE_STDATOMIC_H +#define HAVE_STDATOMIC_H 0 +#undef HAVE_SYS_TIME_H +#define HAVE_SYS_TIME_H 0 +#undef HAVE_PTHREAD_H +#define HAVE_PTHREAD_H 0 + +#pragma warning (disable: 4018) // signed/unsigned comparison +#pragma warning (disable: 4100) // unused param +#pragma warning (disable: 4102) // unreferenced label +#pragma warning (disable: 4244) // conversion loss of data +#pragma warning (disable: 4251) // STL dll +#pragma warning (disable: 4267) // size_t => int +#pragma warning (disable: 4819) // Unicode +#pragma warning (disable: 4996) // _CRT_SECURE_NO_WARNINGS + +#elif defined(__MINGW32__) || defined(__MINGW64__) +#define COMPILER_MINGW + +#elif defined(__GNUC__) +#define COMPILER_GCC + +#ifndef _GNU_SOURCE +#define _GNU_SOURCE 1 +#endif + +#elif defined(__clang__) +#define COMPILER_CLANG + +#else +#warning "Untested compiler!" +#endif + +// headers +#ifdef OS_WIN + #ifndef WIN32_LEAN_AND_MEAN + #define WIN32_LEAN_AND_MEAN + #endif + #define _CRT_NONSTDC_NO_DEPRECATE + #define _CRT_SECURE_NO_WARNINGS + #define _WINSOCK_DEPRECATED_NO_WARNINGS + #include + #include // for inet_pton,inet_ntop + #include + #include // for getpid,exec + #include // for mkdir,rmdir,chdir,getcwd + #include // for open,close,read,write,lseek,tell + + #define hv_sleep(s) Sleep((s) * 1000) + #define hv_msleep(ms) Sleep(ms) + #define hv_usleep(us) Sleep((us) / 1000) + #define hv_delay(ms) hv_msleep(ms) + #define hv_mkdir(dir) mkdir(dir) + + // access + #ifndef F_OK + #define F_OK 0 /* test for existence of file */ + #endif + #ifndef X_OK + #define X_OK (1<<0) /* test for execute or search permission */ + #endif + #ifndef W_OK + #define W_OK (1<<1) /* test for write permission */ + #endif + #ifndef R_OK + #define R_OK (1<<2) /* test for read permission */ + #endif + + // stat + #ifndef S_ISREG + #define S_ISREG(st_mode) (((st_mode) & S_IFMT) == S_IFREG) + #endif + #ifndef S_ISDIR + #define S_ISDIR(st_mode) (((st_mode) & S_IFMT) == S_IFDIR) + #endif +#else + #include + #include // for mkdir,rmdir,chdir,getcwd + + // socket + #include + #include + #include + #include + #include + #include + #include // for gethostbyname + + #define hv_sleep(s) sleep(s) + #define hv_msleep(ms) usleep((ms) * 1000) + #define hv_usleep(us) usleep(us) + #define hv_delay(ms) hv_msleep(ms) + #define hv_mkdir(dir) mkdir(dir, 0777) +#endif + +#ifdef _MSC_VER + typedef int pid_t; + typedef int gid_t; + typedef int uid_t; + #define strcasecmp stricmp + #define strncasecmp strnicmp +#else + typedef int BOOL; + typedef unsigned char BYTE; + typedef unsigned short WORD; + typedef void* HANDLE; + #include + #define stricmp strcasecmp + #define strnicmp strncasecmp +#endif + +// ENDIAN +#ifndef BIG_ENDIAN +#define BIG_ENDIAN 4321 +#endif +#ifndef LITTLE_ENDIAN +#define LITTLE_ENDIAN 1234 +#endif +#ifndef NET_ENDIAN +#define NET_ENDIAN BIG_ENDIAN +#endif + +// BYTE_ORDER +#ifndef BYTE_ORDER +#if defined(ARCH_X86) || defined(ARCH_X86_64) || \ + defined(__ARMEL__) || defined(__AARCH64EL__) +#define BYTE_ORDER LITTLE_ENDIAN +#elif defined(__ARMEB__) || defined(__AARCH64EB__) +#define BYTE_ORDER BIG_ENDIAN +#endif +#endif + +// ANSI C +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifndef __cplusplus +#if HAVE_STDBOOL_H +#include +#else + #ifndef bool + #define bool char + #endif + + #ifndef true + #define true 1 + #endif + + #ifndef false + #define false 0 + #endif +#endif +#endif + +#if HAVE_STDINT_H +#include +#elif defined(_MSC_VER) && _MSC_VER < 1700 +typedef __int8 int8_t; +typedef __int16 int16_t; +typedef __int32 int32_t; +typedef __int64 int64_t; +typedef unsigned __int8 uint8_t; +typedef unsigned __int16 uint16_t; +typedef unsigned __int32 uint32_t; +typedef unsigned __int64 uint64_t; +#endif + +typedef float float32_t; +typedef double float64_t; + +typedef int (*method_t)(void* userdata); +typedef void (*procedure_t)(void* userdata); + +#if HAVE_SYS_TYPES_H +#include +#endif + +#if HAVE_SYS_STAT_H +#include +#endif + +#if HAVE_SYS_TIME_H +#include // for gettimeofday +#endif + +#if HAVE_FCNTL_H +#include +#endif + +#if HAVE_PTHREAD_H +#include +#endif + +#endif // HV_PLATFORM_H_ diff --git a/sdk/include/hv/hproc.h b/sdk/include/hv/hproc.h new file mode 100644 index 0000000..b783562 --- /dev/null +++ b/sdk/include/hv/hproc.h @@ -0,0 +1,69 @@ +#ifndef HV_PROC_H_ +#define HV_PROC_H_ + +#include "hplatform.h" + +typedef struct proc_ctx_s { + pid_t pid; // tid in Windows + time_t start_time; + int spawn_cnt; + procedure_t init; + void* init_userdata; + procedure_t proc; + void* proc_userdata; + procedure_t exit; + void* exit_userdata; +} proc_ctx_t; + +static inline void hproc_run(proc_ctx_t* ctx) { + if (ctx->init) { + ctx->init(ctx->init_userdata); + } + if (ctx->proc) { + ctx->proc(ctx->proc_userdata); + } + if (ctx->exit) { + ctx->exit(ctx->exit_userdata); + } +} + +#ifdef OS_UNIX +// unix use multi-processes +static inline int hproc_spawn(proc_ctx_t* ctx) { + ++ctx->spawn_cnt; + ctx->start_time = time(NULL); + pid_t pid = fork(); + if (pid < 0) { + perror("fork"); + return -1; + } else if (pid == 0) { + // child process + ctx->pid = getpid(); + hproc_run(ctx); + exit(0); + } else if (pid > 0) { + // parent process + ctx->pid = pid; + } + return pid; +} +#elif defined(OS_WIN) +// win32 use multi-threads +static void win_thread(void* userdata) { + proc_ctx_t* ctx = (proc_ctx_t*)userdata; + ctx->pid = GetCurrentThreadId(); // tid in Windows + hproc_run(ctx); +} +static inline int hproc_spawn(proc_ctx_t* ctx) { + ++ctx->spawn_cnt; + ctx->start_time = time(NULL); + HANDLE h = (HANDLE)_beginthread(win_thread, 0, ctx); + if (h == NULL) { + return -1; + } + ctx->pid = GetThreadId(h); // tid in Windows + return ctx->pid; +} +#endif + +#endif // HV_PROC_H_ diff --git a/sdk/include/hv/hscope.h b/sdk/include/hv/hscope.h new file mode 100644 index 0000000..0222639 --- /dev/null +++ b/sdk/include/hv/hscope.h @@ -0,0 +1,79 @@ +#ifndef HV_SCOPE_H_ +#define HV_SCOPE_H_ + +#include +typedef std::function Function; + +#include "hdef.h" + +// same as golang defer +class Defer { +public: + Defer(Function&& fn) : _fn(std::move(fn)) {} + ~Defer() { if(_fn) _fn();} +private: + Function _fn; +}; +#define defer(code) Defer STRINGCAT(_defer_, __LINE__)([&](){code}); + +class ScopeCleanup { +public: + template + ScopeCleanup(Fn&& fn, Args&&... args) { + _cleanup = std::bind(std::forward(fn), std::forward(args)...); + } + + ~ScopeCleanup() { + _cleanup(); + } + +private: + Function _cleanup; +}; + +template +class ScopeFree { +public: + ScopeFree(T* p) : _p(p) {} + ~ScopeFree() {SAFE_FREE(_p);} +private: + T* _p; +}; + +template +class ScopeDelete { +public: + ScopeDelete(T* p) : _p(p) {} + ~ScopeDelete() {SAFE_DELETE(_p);} +private: + T* _p; +}; + +template +class ScopeDeleteArray { +public: + ScopeDeleteArray(T* p) : _p(p) {} + ~ScopeDeleteArray() {SAFE_DELETE_ARRAY(_p);} +private: + T* _p; +}; + +template +class ScopeRelease { +public: + ScopeRelease(T* p) : _p(p) {} + ~ScopeRelease() {SAFE_RELEASE(_p);} +private: + T* _p; +}; + +template +class ScopeLock { +public: + ScopeLock(T& mutex) : _mutex(mutex) {_mutex.lock();} + ~ScopeLock() {_mutex.unlock();} +private: + T& _mutex; +}; + +#endif // HV_SCOPE_H_ diff --git a/sdk/include/hv/hsocket.h b/sdk/include/hv/hsocket.h new file mode 100644 index 0000000..1bfd72c --- /dev/null +++ b/sdk/include/hv/hsocket.h @@ -0,0 +1,213 @@ +#ifndef HV_SOCKET_H_ +#define HV_SOCKET_H_ + +#include "hexport.h" +#include "hplatform.h" + +#ifdef ENABLE_UDS + #include // import struct sockaddr_un +#endif + +#ifdef _MSC_VER +#pragma comment(lib, "ws2_32.lib") +#endif + +#define LOCALHOST "127.0.0.1" +#define ANYADDR "0.0.0.0" + +BEGIN_EXTERN_C + +HV_INLINE int socket_errno() { +#ifdef OS_WIN + return WSAGetLastError(); +#else + return errno; +#endif +} +HV_EXPORT const char* socket_strerror(int err); + +#ifdef OS_WIN + +typedef int socklen_t; + +void WSAInit(); +void WSADeinit(); + +HV_INLINE int blocking(int sockfd) { + unsigned long nb = 0; + return ioctlsocket(sockfd, FIONBIO, &nb); +} +HV_INLINE int nonblocking(int sockfd) { + unsigned long nb = 1; + return ioctlsocket(sockfd, FIONBIO, &nb); +} + +#ifndef poll +#define poll WSAPoll +#endif + +#undef EAGAIN +#define EAGAIN WSAEWOULDBLOCK + +#undef EINPROGRESS +#define EINPROGRESS WSAEINPROGRESS + +#undef ENOTSOCK +#define ENOTSOCK WSAENOTSOCK + +#undef EMSGSIZE +#define EMSGSIZE WSAEMSGSIZE + +#else + +#define blocking(s) fcntl(s, F_SETFL, fcntl(s, F_GETFL) & ~O_NONBLOCK) +#define nonblocking(s) fcntl(s, F_SETFL, fcntl(s, F_GETFL) | O_NONBLOCK) + +typedef int SOCKET; +#define INVALID_SOCKET -1 +#define closesocket(fd) close(fd) + +#endif + +#ifndef SAFE_CLOSESOCKET +#define SAFE_CLOSESOCKET(fd) do {if ((fd) >= 0) {closesocket(fd); (fd) = -1;}} while(0) +#endif + +//-----------------------------sockaddr_u---------------------------------------------- +typedef union { + struct sockaddr sa; + struct sockaddr_in sin; + struct sockaddr_in6 sin6; +#ifdef ENABLE_UDS + struct sockaddr_un sun; +#endif +} sockaddr_u; + +HV_EXPORT bool is_ipv4(const char* host); +HV_EXPORT bool is_ipv6(const char* host); +HV_INLINE bool is_ipaddr(const char* host) { + return is_ipv4(host) || is_ipv6(host); +} + +// @param host: domain or ip +// @retval 0:succeed +HV_EXPORT int ResolveAddr(const char* host, sockaddr_u* addr); + +HV_EXPORT const char* sockaddr_ip(sockaddr_u* addr, char *ip, int len); +HV_EXPORT uint16_t sockaddr_port(sockaddr_u* addr); +HV_EXPORT int sockaddr_set_ip(sockaddr_u* addr, const char* host); +HV_EXPORT void sockaddr_set_port(sockaddr_u* addr, int port); +HV_EXPORT int sockaddr_set_ipport(sockaddr_u* addr, const char* host, int port); +HV_EXPORT socklen_t sockaddr_len(sockaddr_u* addr); +HV_EXPORT const char* sockaddr_str(sockaddr_u* addr, char* buf, int len); + +//#define INET_ADDRSTRLEN 16 +//#define INET6_ADDRSTRLEN 46 +#ifdef ENABLE_UDS +#define SOCKADDR_STRLEN sizeof(((struct sockaddr_un*)(NULL))->sun_path) +HV_INLINE void sockaddr_set_path(sockaddr_u* addr, const char* path) { + addr->sa.sa_family = AF_UNIX; + strncpy(addr->sun.sun_path, path, sizeof(addr->sun.sun_path)); +} +#else +#define SOCKADDR_STRLEN 64 // ipv4:port | [ipv6]:port +#endif + +HV_INLINE void sockaddr_print(sockaddr_u* addr) { + char buf[SOCKADDR_STRLEN] = {0}; + sockaddr_str(addr, buf, sizeof(buf)); + puts(buf); +} + +#define SOCKADDR_LEN(addr) sockaddr_len((sockaddr_u*)addr) +#define SOCKADDR_STR(addr, buf) sockaddr_str((sockaddr_u*)addr, buf, sizeof(buf)) +#define SOCKADDR_PRINT(addr) sockaddr_print((sockaddr_u*)addr) +//===================================================================================== + +// socket -> setsockopt -> bind +// @param type: SOCK_STREAM(tcp) SOCK_DGRAM(udp) +// @return sockfd +HV_EXPORT int Bind(int port, const char* host DEFAULT(ANYADDR), int type DEFAULT(SOCK_STREAM)); + +// Bind -> listen +// @return listenfd +HV_EXPORT int Listen(int port, const char* host DEFAULT(ANYADDR)); + +// @return connfd +// ResolveAddr -> socket -> nonblocking -> connect +HV_EXPORT int Connect(const char* host, int port, int nonblock DEFAULT(0)); +// Connect(host, port, 1) +HV_EXPORT int ConnectNonblock(const char* host, int port); +// Connect(host, port, 1) -> select -> blocking +#define DEFAULT_CONNECT_TIMEOUT 10000 // ms +HV_EXPORT int ConnectTimeout(const char* host, int port, int ms DEFAULT(DEFAULT_CONNECT_TIMEOUT)); + +#ifdef ENABLE_UDS +HV_EXPORT int BindUnix(const char* path, int type DEFAULT(SOCK_STREAM)); +HV_EXPORT int ListenUnix(const char* path); +HV_EXPORT int ConnectUnix(const char* path, int nonblock DEFAULT(0)); +HV_EXPORT int ConnectUnixNonblock(const char* path); +HV_EXPORT int ConnectUnixTimeout(const char* path, int ms DEFAULT(DEFAULT_CONNECT_TIMEOUT)); +#endif + +// Just implement Socketpair(AF_INET, SOCK_STREAM, 0, sv); +HV_EXPORT int Socketpair(int family, int type, int protocol, int sv[2]); + +HV_INLINE int tcp_nodelay(int sockfd, int on DEFAULT(1)) { + return setsockopt(sockfd, IPPROTO_TCP, TCP_NODELAY, (const char*)&on, sizeof(int)); +} + +HV_INLINE int tcp_nopush(int sockfd, int on DEFAULT(1)) { +#ifdef TCP_NOPUSH + return setsockopt(sockfd, IPPROTO_TCP, TCP_NOPUSH, (const char*)&on, sizeof(int)); +#elif defined(TCP_CORK) + return setsockopt(sockfd, IPPROTO_TCP, TCP_CORK, (const char*)&on, sizeof(int)); +#else + return -10; +#endif +} + +HV_INLINE int tcp_keepalive(int sockfd, int on DEFAULT(1), int delay DEFAULT(60)) { + if (setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, (const char*)&on, sizeof(int)) != 0) { + return socket_errno(); + } + +#ifdef TCP_KEEPALIVE + return setsockopt(sockfd, IPPROTO_TCP, TCP_KEEPALIVE, (const char*)&delay, sizeof(int)); +#elif defined(TCP_KEEPIDLE) + // TCP_KEEPIDLE => tcp_keepalive_time + // TCP_KEEPCNT => tcp_keepalive_probes + // TCP_KEEPINTVL => tcp_keepalive_intvl + return setsockopt(sockfd, IPPROTO_TCP, TCP_KEEPIDLE, (const char*)&delay, sizeof(int)); +#else + return 0; +#endif +} + +HV_INLINE int udp_broadcast(int sockfd, int on DEFAULT(1)) { + return setsockopt(sockfd, SOL_SOCKET, SO_BROADCAST, (const char*)&on, sizeof(int)); +} + +// send timeout +HV_INLINE int so_sndtimeo(int sockfd, int timeout) { +#ifdef OS_WIN + return setsockopt(sockfd, SOL_SOCKET, SO_SNDTIMEO, (const char*)&timeout, sizeof(int)); +#else + struct timeval tv = {timeout/1000, (timeout%1000)*1000}; + return setsockopt(sockfd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv)); +#endif +} + +// recv timeout +HV_INLINE int so_rcvtimeo(int sockfd, int timeout) { +#ifdef OS_WIN + return setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (const char*)&timeout, sizeof(int)); +#else + struct timeval tv = {timeout/1000, (timeout%1000)*1000}; + return setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)); +#endif +} + +END_EXTERN_C + +#endif // HV_SOCKET_H_ diff --git a/sdk/include/hv/hssl.h b/sdk/include/hv/hssl.h new file mode 100644 index 0000000..a717ccb --- /dev/null +++ b/sdk/include/hv/hssl.h @@ -0,0 +1,83 @@ +#ifndef HV_SSL_H_ +#define HV_SSL_H_ + +#include "hexport.h" + +#include "hplatform.h" +#if !defined(WITH_OPENSSL) && \ + !defined(WITH_GNUTLS) && \ + !defined(WITH_MBEDTLS) +#ifdef OS_WIN +#define WITH_WINTLS +#elif defined(OS_DARWIN) +#define WITH_APPLETLS +#else +#define HV_WITHOUT_SSL +#endif +#endif + +typedef void* hssl_ctx_t; ///> SSL_CTX +typedef void* hssl_t; ///> SSL + +enum { + HSSL_SERVER = 0, + HSSL_CLIENT = 1, +}; + +enum { + HSSL_OK = 0, + HSSL_ERROR = -1, + HSSL_WANT_READ = -2, + HSSL_WANT_WRITE = -3, + HSSL_WOULD_BLOCK = -4, +}; + +typedef struct { + const char* crt_file; + const char* key_file; + const char* ca_file; + const char* ca_path; + short verify_peer; + short endpoint; // HSSL_SERVER / HSSL_CLIENT +} hssl_ctx_opt_t, hssl_ctx_init_param_t; + +BEGIN_EXTERN_C + +/* +const char* hssl_backend() { +#ifdef WITH_OPENSSL + return "openssl"; +#elif defined(WITH_GNUTLS) + return "gnutls"; +#elif defined(WITH_MBEDTLS) + return "mbedtls"; +#else + return "nossl"; +#endif +} +*/ +HV_EXPORT const char* hssl_backend(); +#define HV_WITH_SSL (strcmp(hssl_backend(), "nossl") != 0) + +HV_EXPORT extern hssl_ctx_t g_ssl_ctx; +HV_EXPORT hssl_ctx_t hssl_ctx_init(hssl_ctx_init_param_t* param); +HV_EXPORT void hssl_ctx_cleanup(hssl_ctx_t ssl_ctx); +HV_EXPORT hssl_ctx_t hssl_ctx_instance(); + +HV_EXPORT hssl_ctx_t hssl_ctx_new(hssl_ctx_opt_t* opt); +HV_EXPORT void hssl_ctx_free(hssl_ctx_t ssl_ctx); + +HV_EXPORT hssl_t hssl_new(hssl_ctx_t ssl_ctx, int fd); +HV_EXPORT void hssl_free(hssl_t ssl); + +HV_EXPORT int hssl_accept(hssl_t ssl); +HV_EXPORT int hssl_connect(hssl_t ssl); +HV_EXPORT int hssl_read(hssl_t ssl, void* buf, int len); +HV_EXPORT int hssl_write(hssl_t ssl, const void* buf, int len); +HV_EXPORT int hssl_close(hssl_t ssl); + +HV_EXPORT int hssl_set_sni_hostname(hssl_t ssl, const char* hostname); + +END_EXTERN_C + +#endif // HV_SSL_H_ diff --git a/sdk/include/hv/hstring.h b/sdk/include/hv/hstring.h new file mode 100644 index 0000000..6c6370f --- /dev/null +++ b/sdk/include/hv/hstring.h @@ -0,0 +1,79 @@ +#ifndef HV_STRING_H_ +#define HV_STRING_H_ + +#include +#include + +#include +#include + +#include "hexport.h" +#include "hplatform.h" +#include "hmap.h" + +#define SPACE_CHARS " \t\r\n" +#define PAIR_CHARS "{}[]()<>\"\"\'\'``" + +namespace hv { + +HV_EXPORT extern std::string empty_string; + +typedef std::vector StringList; + +// std::map +class StringCaseLess : public std::less { +public: + bool operator()(const std::string& lhs, const std::string& rhs) const { + return strcasecmp(lhs.c_str(), rhs.c_str()) < 0; + } +}; + +// NOTE: low-version NDK not provide std::to_string +template +HV_INLINE std::string to_string(const T& t) { + std::ostringstream oss; + oss << t; + return oss.str(); +} + +template +HV_INLINE T from_string(const std::string& str) { + T t; + std::istringstream iss(str); + iss >> t; + return t; +} + +template +HV_INLINE void print(const T& t) { + std::cout << t; +} + +template +HV_INLINE void println(const T& t) { + std::cout << t << std::endl; +} + +HV_EXPORT std::string& toupper(std::string& str); +HV_EXPORT std::string& tolower(std::string& str); +HV_EXPORT std::string& reverse(std::string& str); + +HV_EXPORT bool startswith(const std::string& str, const std::string& start); +HV_EXPORT bool endswith(const std::string& str, const std::string& end); +HV_EXPORT bool contains(const std::string& str, const std::string& sub); + +HV_EXPORT std::string asprintf(const char* fmt, ...); +// x,y,z +HV_EXPORT StringList split(const std::string& str, char delim = ','); +// k1=v1&k2=v2 +HV_EXPORT hv::KeyValue splitKV(const std::string& str, char kv_kv = '&', char k_v = '='); +HV_EXPORT std::string trim(const std::string& str, const char* chars = SPACE_CHARS); +HV_EXPORT std::string ltrim(const std::string& str, const char* chars = SPACE_CHARS); +HV_EXPORT std::string rtrim(const std::string& str, const char* chars = SPACE_CHARS); +HV_EXPORT std::string trim_pairs(const std::string& str, const char* pairs = PAIR_CHARS); +HV_EXPORT std::string replace(const std::string& str, const std::string& find, const std::string& rep); +HV_EXPORT std::string replaceAll(const std::string& str, const std::string& find, const std::string& rep); + +} // end namespace hv + +#endif // HV_STRING_H_ diff --git a/sdk/include/hv/hsysinfo.h b/sdk/include/hv/hsysinfo.h new file mode 100644 index 0000000..5366aa5 --- /dev/null +++ b/sdk/include/hv/hsysinfo.h @@ -0,0 +1,68 @@ +#ifndef HV_SYS_INFO_H_ +#define HV_SYS_INFO_H_ + +#include "hplatform.h" + +#ifdef OS_LINUX +#include +#endif + +#ifdef OS_DARWIN +#include +#include +#endif + +static inline int get_ncpu() { +#ifdef OS_WIN + SYSTEM_INFO si; + GetSystemInfo(&si); + return si.dwNumberOfProcessors; +#else + //return get_nprocs(); + //return get_nprocs_conf(); + //return sysconf(_SC_NPROCESSORS_ONLN); // processors available + return sysconf(_SC_NPROCESSORS_CONF); // processors configured +#endif +} + +typedef struct meminfo_s { + unsigned long total; // KB + unsigned long free; // KB +} meminfo_t; + +static inline int get_meminfo(meminfo_t* mem) { +#ifdef OS_WIN + MEMORYSTATUSEX memstat; + memset(&memstat, 0, sizeof(memstat)); + memstat.dwLength = sizeof(memstat); + GlobalMemoryStatusEx(&memstat); + mem->total = (unsigned long)(memstat.ullTotalPhys >> 10); + mem->free = (unsigned long)(memstat.ullAvailPhys >> 10); + return 0; +#elif defined(OS_LINUX) + struct sysinfo info; + if (sysinfo(&info) < 0) { + return errno; + } + mem->total = info.totalram * info.mem_unit >> 10; + mem->free = info.freeram * info.mem_unit >> 10; + return 0; +#elif defined(OS_DARWIN) + uint64_t memsize = 0; + size_t size = sizeof(memsize); + int which[2] = {CTL_HW, HW_MEMSIZE}; + sysctl(which, 2, &memsize, &size, NULL, 0); + mem->total = memsize >> 10; + + vm_statistics_data_t info; + mach_msg_type_number_t count = sizeof(info) / sizeof(integer_t); + host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&info, &count); + mem->free = ((uint64_t)info.free_count * sysconf(_SC_PAGESIZE)) >> 10; + return 0; +#else + (void)(mem); + return -10; +#endif +} + +#endif // HV_SYS_INFO_H_ diff --git a/sdk/include/hv/hthread.h b/sdk/include/hv/hthread.h new file mode 100644 index 0000000..b43e0c6 --- /dev/null +++ b/sdk/include/hv/hthread.h @@ -0,0 +1,217 @@ +#ifndef HV_THREAD_H_ +#define HV_THREAD_H_ + +#include "hplatform.h" + +#ifdef OS_WIN +#define hv_getpid (long)GetCurrentProcessId +#else +#define hv_getpid (long)getpid +#endif + +#ifdef OS_WIN +#define hv_gettid (long)GetCurrentThreadId +#elif HAVE_GETTID || defined(OS_ANDROID) +#define hv_gettid (long)gettid +#elif defined(OS_LINUX) +#include +#define hv_gettid() (long)syscall(SYS_gettid) +#elif defined(OS_DARWIN) +static inline long hv_gettid() { + uint64_t tid = 0; + pthread_threadid_np(NULL, &tid); + return tid; +} +#elif HAVE_PTHREAD_H +#define hv_gettid (long)pthread_self +#else +#define hv_gettid hv_getpid +#endif + +/* +#include "hthread.h" + +HTHREAD_ROUTINE(thread_demo) { + printf("thread[%ld] start\n", hv_gettid()); + hv_delay(3000); + printf("thread[%ld] end\n", hv_gettid()); + return 0; +} + +int main() { + hthread_t th = hthread_create(thread_demo, NULL); + hthread_join(th); + return 0; +} + */ + +#ifdef OS_WIN +typedef HANDLE hthread_t; +typedef DWORD (WINAPI *hthread_routine)(void*); +#define HTHREAD_RETTYPE DWORD +#define HTHREAD_ROUTINE(fname) DWORD WINAPI fname(void* userdata) +static inline hthread_t hthread_create(hthread_routine fn, void* userdata) { + return CreateThread(NULL, 0, fn, userdata, 0, NULL); +} + +static inline int hthread_join(hthread_t th) { + WaitForSingleObject(th, INFINITE); + CloseHandle(th); + return 0; +} + +#else + +typedef pthread_t hthread_t; +typedef void* (*hthread_routine)(void*); +#define HTHREAD_RETTYPE void* +#define HTHREAD_ROUTINE(fname) void* fname(void* userdata) +static inline hthread_t hthread_create(hthread_routine fn, void* userdata) { + pthread_t th; + pthread_create(&th, NULL, fn, userdata); + return th; +} + +static inline int hthread_join(hthread_t th) { + return pthread_join(th, NULL); +} + +#endif + +#ifdef __cplusplus +/************************************************ + * HThread + * Status: STOP,RUNNING,PAUSE + * Control: start,stop,pause,resume + * first-level virtual: doTask + * second-level virtual: run +************************************************/ +#include +#include +#include + +class HThread { +public: + enum Status { + STOP, + RUNNING, + PAUSE, + }; + + enum SleepPolicy { + YIELD, + SLEEP_FOR, + SLEEP_UNTIL, + NO_SLEEP, + }; + + HThread() { + status = STOP; + status_changed = false; + dotask_cnt = 0; + sleep_policy = YIELD; + sleep_ms = 0; + } + + virtual ~HThread() {} + + void setStatus(Status stat) { + status_changed = true; + status = stat; + } + + void setSleepPolicy(SleepPolicy policy, uint32_t ms = 0) { + sleep_policy = policy; + sleep_ms = ms; + setStatus(status); + } + + virtual int start() { + if (status == STOP) { + thread = std::thread([this] { + if (!doPrepare()) return; + setStatus(RUNNING); + run(); + setStatus(STOP); + if (!doFinish()) return; + }); + } + return 0; + } + + virtual int stop() { + if (status != STOP) { + setStatus(STOP); + } + if (thread.joinable()) { + thread.join(); // wait thread exit + } + return 0; + } + + virtual int pause() { + if (status == RUNNING) { + setStatus(PAUSE); + } + return 0; + } + + virtual int resume() { + if (status == PAUSE) { + setStatus(RUNNING); + } + return 0; + } + + virtual void run() { + while (status != STOP) { + while (status == PAUSE) { + std::this_thread::yield(); + } + + doTask(); + ++dotask_cnt; + + HThread::sleep(); + } + } + + virtual bool doPrepare() {return true;} + virtual void doTask() {} + virtual bool doFinish() {return true;} + + std::thread thread; + std::atomic status; + uint32_t dotask_cnt; +protected: + void sleep() { + switch (sleep_policy) { + case YIELD: + std::this_thread::yield(); + break; + case SLEEP_FOR: + std::this_thread::sleep_for(std::chrono::milliseconds(sleep_ms)); + break; + case SLEEP_UNTIL: { + if (status_changed) { + status_changed = false; + base_tp = std::chrono::steady_clock::now(); + } + base_tp += std::chrono::milliseconds(sleep_ms); + std::this_thread::sleep_until(base_tp); + } + break; + default: // donothing, go all out. + break; + } + } + + SleepPolicy sleep_policy; + uint32_t sleep_ms; + // for SLEEP_UNTIL + std::atomic status_changed; + std::chrono::steady_clock::time_point base_tp; +}; +#endif + +#endif // HV_THREAD_H_ diff --git a/sdk/include/hv/hthreadpool.h b/sdk/include/hv/hthreadpool.h new file mode 100644 index 0000000..d026b3b --- /dev/null +++ b/sdk/include/hv/hthreadpool.h @@ -0,0 +1,240 @@ +#ifndef HV_THREAD_POOL_H_ +#define HV_THREAD_POOL_H_ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DEFAULT_THREAD_POOL_MIN_THREAD_NUM 1 +#define DEFAULT_THREAD_POOL_MAX_THREAD_NUM std::thread::hardware_concurrency() +#define DEFAULT_THREAD_POOL_MAX_IDLE_TIME 60000 // ms + +class HThreadPool { +public: + using Task = std::function; + + HThreadPool(int min_threads = DEFAULT_THREAD_POOL_MIN_THREAD_NUM, + int max_threads = DEFAULT_THREAD_POOL_MAX_THREAD_NUM, + int max_idle_ms = DEFAULT_THREAD_POOL_MAX_IDLE_TIME) + : min_thread_num(min_threads) + , max_thread_num(max_threads) + , max_idle_time(max_idle_ms) + , status(STOP) + , cur_thread_num(0) + , idle_thread_num(0) + {} + + virtual ~HThreadPool() { + stop(); + } + + void setMinThreadNum(int min_threads) { + min_thread_num = min_threads; + } + void setMaxThreadNum(int max_threads) { + max_thread_num = max_threads; + } + void setMaxIdleTime(int ms) { + max_idle_time = ms; + } + int currentThreadNum() { + return cur_thread_num; + } + int idleThreadNum() { + return idle_thread_num; + } + bool isStarted() { + return status != STOP; + } + bool isStopped() { + return status == STOP; + } + + int start(int start_threads = 0) { + if (status != STOP) return -1; + status = RUNNING; + if (start_threads < min_thread_num) start_threads = min_thread_num; + if (start_threads > max_thread_num) start_threads = max_thread_num; + for (int i = 0; i < start_threads; ++i) { + createThread(); + } + return 0; + } + + int stop() { + if (status == STOP) return -1; + status = STOP; + task_cond.notify_all(); + for (auto& i : threads) { + if (i.thread->joinable()) { + i.thread->join(); + } + } + threads.clear(); + cur_thread_num = 0; + idle_thread_num = 0; + return 0; + } + + int pause() { + if (status == RUNNING) { + status = PAUSE; + } + return 0; + } + + int resume() { + if (status == PAUSE) { + status = RUNNING; + } + return 0; + } + + int wait() { + while (1) { + if (status == STOP || (tasks.empty() && idle_thread_num == cur_thread_num)) { + break; + } + std::this_thread::yield(); + } + return 0; + } + + /* + * return a future, calling future.get() will wait task done and return RetType. + * commit(fn, args...) + * commit(std::bind(&Class::mem_fn, &obj)) + * commit(std::mem_fn(&Class::mem_fn, &obj)) + * + */ + template + auto commit(Fn&& fn, Args&&... args) -> std::future { + if (status == STOP) start(); + if (idle_thread_num == 0 && cur_thread_num < max_thread_num) { + createThread(); + } + using RetType = decltype(fn(args...)); + auto task = std::make_shared >( + std::bind(std::forward(fn), std::forward(args)...)); + std::future future = task->get_future(); + { + std::lock_guard locker(task_mutex); + tasks.emplace([task]{ + (*task)(); + }); + } + + task_cond.notify_one(); + return future; + } + +protected: + bool createThread() { + if (cur_thread_num >= max_thread_num) return false; + std::thread* thread = new std::thread([this] { + while (status != STOP) { + while (status == PAUSE) { + std::this_thread::yield(); + } + + Task task; + { + std::unique_lock locker(task_mutex); + task_cond.wait_for(locker, std::chrono::milliseconds(max_idle_time), [this]() { + return status == STOP || !tasks.empty(); + }); + if (status == STOP) return; + if (tasks.empty()) { + if (cur_thread_num > min_thread_num) { + delThread(std::this_thread::get_id()); + return; + } + continue; + } + --idle_thread_num; + task = std::move(tasks.front()); + tasks.pop(); + } + if (task) { + task(); + ++idle_thread_num; + } + } + }); + addThread(thread); + return true; + } + + void addThread(std::thread* thread) { + thread_mutex.lock(); + ++cur_thread_num; + ++idle_thread_num; + ThreadData data; + data.thread = std::shared_ptr(thread); + data.id = thread->get_id(); + data.status = RUNNING; + data.start_time = time(NULL); + threads.emplace_back(data); + thread_mutex.unlock(); + } + + void delThread(std::thread::id id) { + time_t now = time(NULL); + thread_mutex.lock(); + --cur_thread_num; + --idle_thread_num; + auto iter = threads.begin(); + while (iter != threads.end()) { + if (iter->status == STOP && now > iter->stop_time) { + if (iter->thread->joinable()) { + iter->thread->join(); + iter = threads.erase(iter); + continue; + } + } else if (iter->id == id) { + iter->status = STOP; + iter->stop_time = time(NULL); + } + ++iter; + } + thread_mutex.unlock(); + } + +public: + int min_thread_num; + int max_thread_num; + int max_idle_time; + +protected: + enum Status { + STOP, + RUNNING, + PAUSE, + }; + struct ThreadData { + std::shared_ptr thread; + std::thread::id id; + Status status; + time_t start_time; + time_t stop_time; + }; + std::atomic status; + std::atomic cur_thread_num; + std::atomic idle_thread_num; + std::list threads; + std::mutex thread_mutex; + std::queue tasks; + std::mutex task_mutex; + std::condition_variable task_cond; +}; + +#endif // HV_THREAD_POOL_H_ diff --git a/sdk/include/hv/htime.h b/sdk/include/hv/htime.h new file mode 100644 index 0000000..5aa8c2b --- /dev/null +++ b/sdk/include/hv/htime.h @@ -0,0 +1,113 @@ +#ifndef HV_TIME_H_ +#define HV_TIME_H_ + +#include "hexport.h" +#include "hplatform.h" + +BEGIN_EXTERN_C + +#define SECONDS_PER_MINUTE 60 +#define SECONDS_PER_HOUR 3600 +#define SECONDS_PER_DAY 86400 // 24*3600 +#define SECONDS_PER_WEEK 604800 // 7*24*3600 + +#define IS_LEAP_YEAR(year) (((year)%4 == 0 && (year)%100 != 0) || (year)%400 == 0) + +typedef struct datetime_s { + int year; + int month; + int day; + int hour; + int min; + int sec; + int ms; +} datetime_t; + +#ifdef _MSC_VER +/* @see winsock2.h +// Structure used in select() call, taken from the BSD file sys/time.h +struct timeval { + long tv_sec; + long tv_usec; +}; +*/ + +struct timezone { + int tz_minuteswest; /* of Greenwich */ + int tz_dsttime; /* type of dst correction to apply */ +}; + +#include +HV_INLINE int gettimeofday(struct timeval *tv, struct timezone *tz) { + struct _timeb tb; + _ftime(&tb); + if (tv) { + tv->tv_sec = (long)tb.time; + tv->tv_usec = tb.millitm * 1000; + } + if (tz) { + tz->tz_minuteswest = tb.timezone; + tz->tz_dsttime = tb.dstflag; + } + return 0; +} +#endif + +HV_EXPORT unsigned int gettick_ms(); +HV_INLINE unsigned long long gettimeofday_ms() { + struct timeval tv; + gettimeofday(&tv, NULL); + return tv.tv_sec * (unsigned long long)1000 + tv.tv_usec/1000; +} +HV_INLINE unsigned long long gettimeofday_us() { + struct timeval tv; + gettimeofday(&tv, NULL); + return tv.tv_sec * (unsigned long long)1000000 + tv.tv_usec; +} +HV_EXPORT unsigned long long gethrtime_us(); + +HV_EXPORT datetime_t datetime_now(); +HV_EXPORT time_t datetime_mktime(datetime_t* dt); + +HV_EXPORT datetime_t* datetime_past(datetime_t* dt, int days DEFAULT(1)); +HV_EXPORT datetime_t* datetime_future(datetime_t* dt, int days DEFAULT(1)); + +#define TIME_FMT "%02d:%02d:%02d" +#define TIME_FMT_BUFLEN 12 +HV_EXPORT char* duration_fmt(int sec, char* buf); + +#define DATETIME_FMT "%04d-%02d-%02d %02d:%02d:%02d" +#define DATETIME_FMT_ISO "%04d-%02d-%02dT%02d:%02d:%02d.%03dZ" +#define DATETIME_FMT_BUFLEN 30 +HV_EXPORT char* datetime_fmt(datetime_t* dt, char* buf); +HV_EXPORT char* datetime_fmt_iso(datetime_t* dt, char* buf); + +#define GMTIME_FMT "%.3s, %02d %.3s %04d %02d:%02d:%02d GMT" +#define GMTIME_FMT_BUFLEN 30 +HV_EXPORT char* gmtime_fmt(time_t time, char* buf); + +HV_EXPORT int days_of_month(int month, int year); + +HV_EXPORT int month_atoi(const char* month); +HV_EXPORT const char* month_itoa(int month); + +HV_EXPORT int weekday_atoi(const char* weekday); +HV_EXPORT const char* weekday_itoa(int weekday); + +HV_EXPORT datetime_t hv_compile_datetime(); + +/* + * minute hour day week month action + * 0~59 0~23 1~31 0~6 1~12 + * -1 -1 -1 -1 -1 cron.minutely + * 30 -1 -1 -1 -1 cron.hourly + * 30 1 -1 -1 -1 cron.daily + * 30 1 15 -1 -1 cron.monthly + * 30 1 -1 0 -1 cron.weekly + * 30 1 1 -1 10 cron.yearly + */ +HV_EXPORT time_t cron_next_timeout(int minute, int hour, int day, int week, int month); + +END_EXTERN_C + +#endif // HV_TIME_H_ diff --git a/sdk/include/hv/http_client.h b/sdk/include/hv/http_client.h new file mode 100644 index 0000000..d140e0e --- /dev/null +++ b/sdk/include/hv/http_client.h @@ -0,0 +1,148 @@ +#ifndef HV_HTTP_CLIENT_H_ +#define HV_HTTP_CLIENT_H_ + +#include "hexport.h" +#include "hssl.h" +#include "HttpMessage.h" + +/* +#include + +#include "http_client.h" + +int main(int argc, char* argv[]) { + HttpRequest req; + req.method = HTTP_GET; + req.url = "http://www.example.com"; + HttpResponse res; + int ret = http_client_send(&req, &res); + printf("%s\n", req.Dump(true,true).c_str()); + if (ret != 0) { + printf("* Failed:%s:%d\n", http_client_strerror(ret), ret); + } + else { + printf("%s\n", res.Dump(true,true).c_str()); + } + return ret; +} +*/ + +typedef struct http_client_s http_client_t; + +HV_EXPORT http_client_t* http_client_new(const char* host = NULL, int port = DEFAULT_HTTP_PORT, int https = 0); +HV_EXPORT int http_client_close(http_client_t* cli); +HV_EXPORT int http_client_del(http_client_t* cli); +HV_EXPORT const char* http_client_strerror(int errcode); + +// timeout: s +HV_EXPORT int http_client_set_timeout(http_client_t* cli, int timeout); + +// SSL/TLS +HV_EXPORT int http_client_set_ssl_ctx(http_client_t* cli, hssl_ctx_t ssl_ctx); +// hssl_ctx_new(opt) -> http_client_set_ssl_ctx +HV_EXPORT int http_client_new_ssl_ctx(http_client_t* cli, hssl_ctx_opt_t* opt); + +// common headers +HV_EXPORT int http_client_clear_headers(http_client_t* cli); +HV_EXPORT int http_client_set_header(http_client_t* cli, const char* key, const char* value); +HV_EXPORT int http_client_del_header(http_client_t* cli, const char* key); +HV_EXPORT const char* http_client_get_header(http_client_t* cli, const char* key); + +// http_proxy +HV_EXPORT int http_client_set_http_proxy(http_client_t* cli, const char* host, int port); +// https_proxy +HV_EXPORT int http_client_set_https_proxy(http_client_t* cli, const char* host, int port); +// no_proxy +HV_EXPORT int http_client_add_no_proxy(http_client_t* cli, const char* host); + +// sync +HV_EXPORT int http_client_send(http_client_t* cli, HttpRequest* req, HttpResponse* resp); + +// async +// Intern will start an EventLoopThread when http_client_send_async first called, +// http_client_del will destroy the thread. +HV_EXPORT int http_client_send_async(http_client_t* cli, HttpRequestPtr req, HttpResponseCallback resp_cb = NULL); + +// top-level api +// http_client_new -> http_client_send -> http_client_del +HV_EXPORT int http_client_send(HttpRequest* req, HttpResponse* resp); +// http_client_send_async(&default_async_client, ...) +HV_EXPORT int http_client_send_async(HttpRequestPtr req, HttpResponseCallback resp_cb = NULL); + +namespace hv { + +class HttpClient { +public: + HttpClient(const char* host = NULL, int port = DEFAULT_HTTP_PORT, int https = 0) { + _client = http_client_new(host, port, https); + } + + ~HttpClient() { + if (_client) { + http_client_del(_client); + _client = NULL; + } + } + + // timeout: s + int setTimeout(int timeout) { + return http_client_set_timeout(_client, timeout); + } + + // SSL/TLS + int setSslCtx(hssl_ctx_t ssl_ctx) { + return http_client_set_ssl_ctx(_client, ssl_ctx); + } + int newSslCtx(hssl_ctx_opt_t* opt) { + return http_client_new_ssl_ctx(_client, opt); + } + + // headers + int clearHeaders() { + return http_client_clear_headers(_client); + } + int setHeader(const char* key, const char* value) { + return http_client_set_header(_client, key, value); + } + int delHeader(const char* key) { + return http_client_del_header(_client, key); + } + const char* getHeader(const char* key) { + return http_client_get_header(_client, key); + } + + // http_proxy + int setHttpProxy(const char* host, int port) { + return http_client_set_http_proxy(_client, host, port); + } + // https_proxy + int setHttpsProxy(const char* host, int port) { + return http_client_set_https_proxy(_client, host, port); + } + // no_proxy + int addNoProxy(const char* host) { + return http_client_add_no_proxy(_client, host); + } + + // sync + int send(HttpRequest* req, HttpResponse* resp) { + return http_client_send(_client, req, resp); + } + + // async + int sendAsync(HttpRequestPtr req, HttpResponseCallback resp_cb = NULL) { + return http_client_send_async(_client, req, std::move(resp_cb)); + } + + // close + int close() { + return http_client_close(_client); + } + +private: + http_client_t* _client; +}; + +} + +#endif // HV_HTTP_CLIENT_H_ diff --git a/sdk/include/hv/http_content.h b/sdk/include/hv/http_content.h new file mode 100644 index 0000000..11890ee --- /dev/null +++ b/sdk/include/hv/http_content.h @@ -0,0 +1,78 @@ +#ifndef HV_HTTP_CONTENT_H_ +#define HV_HTTP_CONTENT_H_ + +#include "hexport.h" +#include "hstring.h" + +// NOTE: WITHOUT_HTTP_CONTENT +// ndk-r10e no std::to_string and can't compile modern json.hpp +#ifndef WITHOUT_HTTP_CONTENT +#include "json.hpp" // https://github.com/nlohmann/json +#endif + +BEGIN_NAMESPACE_HV + +// QueryParams +using QueryParams = hv::KeyValue; +HV_EXPORT std::string dump_query_params(const QueryParams& query_params); +HV_EXPORT int parse_query_params(const char* query_string, QueryParams& query_params); + +#ifndef WITHOUT_HTTP_CONTENT + +/**************multipart/form-data************************************* +--boundary +Content-Disposition: form-data; name="user" + +content +--boundary +Content-Disposition: form-data; name="avatar"; filename="user.jpg" +Content-Type: image/jpeg + +content +--boundary-- +***********************************************************************/ +// FormData +struct FormData { + std::string filename; + std::string content; + + FormData(const char* content = NULL, const char* filename = NULL) { + if (content) { + this->content = content; + } + if (filename) { + this->filename = filename; + } + } + template + FormData(T num) { + content = hv::to_string(num); + } +}; +// FormFile +struct FormFile : public FormData { + FormFile(const char* filename = NULL) { + if (filename) { + this->filename = filename; + } + } +}; + +// MultiPart +// name => FormData +typedef HV_MAP MultiPart; +#define DEFAULT_MULTIPART_BOUNDARY "----WebKitFormBoundary7MA4YWxkTrZu0gW" +HV_EXPORT std::string dump_multipart(MultiPart& mp, const char* boundary = DEFAULT_MULTIPART_BOUNDARY); +HV_EXPORT int parse_multipart(const std::string& str, MultiPart& mp, const char* boundary); + +// Json +using Json = nlohmann::json; +// using Json = nlohmann::ordered_json; + +HV_EXPORT std::string dump_json(const hv::Json& json, int indent = -1); +HV_EXPORT int parse_json(const char* str, hv::Json& json, std::string& errmsg); +#endif + +END_NAMESPACE_HV + +#endif // HV_HTTP_CONTENT_H_ diff --git a/sdk/include/hv/httpdef.h b/sdk/include/hv/httpdef.h new file mode 100644 index 0000000..79c7034 --- /dev/null +++ b/sdk/include/hv/httpdef.h @@ -0,0 +1,212 @@ +#ifndef HV_HTTP_DEF_H_ +#define HV_HTTP_DEF_H_ + +#include "hexport.h" + +#define DEFAULT_HTTP_PORT 80 +#define DEFAULT_HTTPS_PORT 443 + +enum http_version { HTTP_V1 = 1, HTTP_V2 = 2 }; +enum http_session_type { HTTP_CLIENT, HTTP_SERVER }; +enum http_parser_type { HTTP_REQUEST, HTTP_RESPONSE, HTTP_BOTH }; +enum http_parser_state { + HP_START_REQ_OR_RES, + HP_MESSAGE_BEGIN, + HP_URL, + HP_STATUS, + HP_HEADER_FIELD, + HP_HEADER_VALUE, + HP_HEADERS_COMPLETE, + HP_CHUNK_HEADER, + HP_BODY, + HP_CHUNK_COMPLETE, + HP_MESSAGE_COMPLETE +}; + +// http_status +// XX(num, name, string) +#define HTTP_STATUS_MAP(XX) \ + XX(100, CONTINUE, Continue) \ + XX(101, SWITCHING_PROTOCOLS, Switching Protocols) \ + XX(102, PROCESSING, Processing) \ + XX(200, OK, OK) \ + XX(201, CREATED, Created) \ + XX(202, ACCEPTED, Accepted) \ + XX(203, NON_AUTHORITATIVE_INFORMATION, Non-Authoritative Information) \ + XX(204, NO_CONTENT, No Content) \ + XX(205, RESET_CONTENT, Reset Content) \ + XX(206, PARTIAL_CONTENT, Partial Content) \ + XX(207, MULTI_STATUS, Multi-Status) \ + XX(208, ALREADY_REPORTED, Already Reported) \ + XX(226, IM_USED, IM Used) \ + XX(300, MULTIPLE_CHOICES, Multiple Choices) \ + XX(301, MOVED_PERMANENTLY, Moved Permanently) \ + XX(302, FOUND, Found) \ + XX(303, SEE_OTHER, See Other) \ + XX(304, NOT_MODIFIED, Not Modified) \ + XX(305, USE_PROXY, Use Proxy) \ + XX(307, TEMPORARY_REDIRECT, Temporary Redirect) \ + XX(308, PERMANENT_REDIRECT, Permanent Redirect) \ + XX(400, BAD_REQUEST, Bad Request) \ + XX(401, UNAUTHORIZED, Unauthorized) \ + XX(402, PAYMENT_REQUIRED, Payment Required) \ + XX(403, FORBIDDEN, Forbidden) \ + XX(404, NOT_FOUND, Not Found) \ + XX(405, METHOD_NOT_ALLOWED, Method Not Allowed) \ + XX(406, NOT_ACCEPTABLE, Not Acceptable) \ + XX(407, PROXY_AUTHENTICATION_REQUIRED, Proxy Authentication Required) \ + XX(408, REQUEST_TIMEOUT, Request Timeout) \ + XX(409, CONFLICT, Conflict) \ + XX(410, GONE, Gone) \ + XX(411, LENGTH_REQUIRED, Length Required) \ + XX(412, PRECONDITION_FAILED, Precondition Failed) \ + XX(413, PAYLOAD_TOO_LARGE, Payload Too Large) \ + XX(414, URI_TOO_LONG, URI Too Long) \ + XX(415, UNSUPPORTED_MEDIA_TYPE, Unsupported Media Type) \ + XX(416, RANGE_NOT_SATISFIABLE, Range Not Satisfiable) \ + XX(417, EXPECTATION_FAILED, Expectation Failed) \ + XX(421, MISDIRECTED_REQUEST, Misdirected Request) \ + XX(422, UNPROCESSABLE_ENTITY, Unprocessable Entity) \ + XX(423, LOCKED, Locked) \ + XX(424, FAILED_DEPENDENCY, Failed Dependency) \ + XX(426, UPGRADE_REQUIRED, Upgrade Required) \ + XX(428, PRECONDITION_REQUIRED, Precondition Required) \ + XX(429, TOO_MANY_REQUESTS, Too Many Requests) \ + XX(431, REQUEST_HEADER_FIELDS_TOO_LARGE, Request Header Fields Too Large) \ + XX(451, UNAVAILABLE_FOR_LEGAL_REASONS, Unavailable For Legal Reasons) \ + XX(500, INTERNAL_SERVER_ERROR, Internal Server Error) \ + XX(501, NOT_IMPLEMENTED, Not Implemented) \ + XX(502, BAD_GATEWAY, Bad Gateway) \ + XX(503, SERVICE_UNAVAILABLE, Service Unavailable) \ + XX(504, GATEWAY_TIMEOUT, Gateway Timeout) \ + XX(505, HTTP_VERSION_NOT_SUPPORTED, HTTP Version Not Supported) \ + XX(506, VARIANT_ALSO_NEGOTIATES, Variant Also Negotiates) \ + XX(507, INSUFFICIENT_STORAGE, Insufficient Storage) \ + XX(508, LOOP_DETECTED, Loop Detected) \ + XX(510, NOT_EXTENDED, Not Extended) \ + XX(511, NETWORK_AUTHENTICATION_REQUIRED, Network Authentication Required) \ + +// HTTP_STATUS_##name +enum http_status { +#define XX(num, name, string) HTTP_STATUS_##name = num, + HTTP_STATUS_MAP(XX) +#undef XX + HTTP_CUSTOM_STATUS +}; + +#define HTTP_STATUS_IS_REDIRECT(status) \ + (status) == HTTP_STATUS_MOVED_PERMANENTLY || \ + (status) == HTTP_STATUS_FOUND || \ + (status) == HTTP_STATUS_SEE_OTHER || \ + (status) == HTTP_STATUS_TEMPORARY_REDIRECT || \ + (status) == HTTP_STATUS_PERMANENT_REDIRECT + +// http_mehtod +// XX(num, name, string) +#define HTTP_METHOD_MAP(XX) \ + XX(0, DELETE, DELETE) \ + XX(1, GET, GET) \ + XX(2, HEAD, HEAD) \ + XX(3, POST, POST) \ + XX(4, PUT, PUT) \ + /* pathological */ \ + XX(5, CONNECT, CONNECT) \ + XX(6, OPTIONS, OPTIONS) \ + XX(7, TRACE, TRACE) \ + /* WebDAV */ \ + XX(8, COPY, COPY) \ + XX(9, LOCK, LOCK) \ + XX(10, MKCOL, MKCOL) \ + XX(11, MOVE, MOVE) \ + XX(12, PROPFIND, PROPFIND) \ + XX(13, PROPPATCH, PROPPATCH) \ + XX(14, SEARCH, SEARCH) \ + XX(15, UNLOCK, UNLOCK) \ + XX(16, BIND, BIND) \ + XX(17, REBIND, REBIND) \ + XX(18, UNBIND, UNBIND) \ + XX(19, ACL, ACL) \ + /* subversion */ \ + XX(20, REPORT, REPORT) \ + XX(21, MKACTIVITY, MKACTIVITY) \ + XX(22, CHECKOUT, CHECKOUT) \ + XX(23, MERGE, MERGE) \ + /* upnp */ \ + XX(24, MSEARCH, M-SEARCH) \ + XX(25, NOTIFY, NOTIFY) \ + XX(26, SUBSCRIBE, SUBSCRIBE) \ + XX(27, UNSUBSCRIBE, UNSUBSCRIBE) \ + /* RFC-5789 */ \ + XX(28, PATCH, PATCH) \ + XX(29, PURGE, PURGE) \ + /* CalDAV */ \ + XX(30, MKCALENDAR, MKCALENDAR) \ + /* RFC-2068, section 19.6.1.2 */ \ + XX(31, LINK, LINK) \ + XX(32, UNLINK, UNLINK) \ + /* icecast */ \ + XX(33, SOURCE, SOURCE) \ + +// HTTP_##name +enum http_method { +#define XX(num, name, string) HTTP_##name = num, + HTTP_METHOD_MAP(XX) +#undef XX + HTTP_CUSTOM_METHOD +}; + +// MIME: https://www.iana.org/assignments/media-types/media-types.xhtml +// http_content_type +// XX(name, mime, suffix) +#define HTTP_CONTENT_TYPE_MAP(XX) \ + XX(TEXT_PLAIN, text/plain, txt) \ + XX(TEXT_HTML, text/html, html) \ + XX(TEXT_CSS, text/css, css) \ + XX(TEXT_EVENT_STREAM, text/event-stream, sse) \ + XX(IMAGE_JPEG, image/jpeg, jpg) \ + XX(IMAGE_PNG, image/png, png) \ + XX(IMAGE_GIF, image/gif, gif) \ + XX(IMAGE_BMP, image/bmp, bmp) \ + XX(IMAGE_SVG, image/svg, svg) \ + XX(VIDEO_AVI, video/x-msvideo, avi) \ + XX(VIDEO_TS, video/mp2t, ts) \ + XX(VIDEO_WEBM, video/webm, webm) \ + XX(VIDEO_FLV, video/x-flv, flv) \ + XX(VIDEO_MP4, video/mp4, mp4) \ + XX(AUDIO_MP3, audio/mpeg, mp3) \ + XX(AUDIO_OGG, audio/ogg, ogg) \ + XX(APPLICATION_OCTET_STREAM,application/octet-stream, bin) \ + XX(APPLICATION_JAVASCRIPT, application/javascript, js) \ + XX(APPLICATION_XML, application/xml, xml) \ + XX(APPLICATION_JSON, application/json, json) \ + XX(APPLICATION_GRPC, application/grpc, grpc) \ + XX(APPLICATION_URLENCODED, application/x-www-form-urlencoded, kv) \ + XX(MULTIPART_FORM_DATA, multipart/form-data, mp) \ + +#define X_WWW_FORM_URLENCODED APPLICATION_URLENCODED // for compatibility + +enum http_content_type { +#define XX(name, string, suffix) name, + CONTENT_TYPE_NONE, + HTTP_CONTENT_TYPE_MAP(XX) + CONTENT_TYPE_UNDEFINED +#undef XX +}; + +BEGIN_EXTERN_C + +HV_EXPORT const char* http_status_str(enum http_status status); +HV_EXPORT const char* http_method_str(enum http_method method); +HV_EXPORT const char* http_content_type_str(enum http_content_type type); + +HV_EXPORT enum http_status http_status_enum(const char* str); +HV_EXPORT enum http_method http_method_enum(const char* str); +HV_EXPORT enum http_content_type http_content_type_enum(const char* str); + +HV_EXPORT const char* http_content_type_suffix(enum http_content_type type); +HV_EXPORT const char* http_content_type_str_by_suffix(const char* suffix); +HV_EXPORT enum http_content_type http_content_type_enum_by_suffix(const char* suffix); + +END_EXTERN_C + +#endif // HV_HTTP_DEF_H_ diff --git a/sdk/include/hv/hurl.h b/sdk/include/hv/hurl.h new file mode 100644 index 0000000..722a5a3 --- /dev/null +++ b/sdk/include/hv/hurl.h @@ -0,0 +1,44 @@ +#ifndef HV_URL_H_ +#define HV_URL_H_ + +#include // import std::string + +#include "hexport.h" + +class HV_EXPORT HUrl { +public: + static std::string escape(const std::string& str, const char* unescaped_chars = ""); + static std::string unescape(const std::string& str); + static inline std::string escapeUrl(const std::string& url) { + return escape(url, ":/@?=&#"); + } + + HUrl() : port(0) {} + ~HUrl() {} + + bool parse(const std::string& url); + const std::string& dump(); + void reset() { + url.clear(); + scheme.clear(); + username.clear(); + password.clear(); + host.clear(); + port = 0; + path.clear(); + query.clear(); + fragment.clear(); + } + + std::string url; + std::string scheme; + std::string username; + std::string password; + std::string host; + int port; + std::string path; + std::string query; + std::string fragment; +}; + +#endif // HV_URL_H_ diff --git a/sdk/include/hv/hv.h b/sdk/include/hv/hv.h new file mode 100644 index 0000000..ef6fb2b --- /dev/null +++ b/sdk/include/hv/hv.h @@ -0,0 +1,41 @@ +#ifndef HV_H_ +#define HV_H_ + +/** + * @copyright 2018 HeWei, all rights reserved. + */ + +// platform +#include "hconfig.h" +#include "hexport.h" +#include "hplatform.h" + +// c +#include "hdef.h" // +#include "hatomic.h"// +#include "herr.h" // +#include "htime.h" // +#include "hmath.h" // + +#include "hbase.h" +#include "hversion.h" +#include "hsysinfo.h" +#include "hproc.h" +#include "hthread.h" +#include "hmutex.h" +#include "hsocket.h" + +#include "hlog.h" +#include "hbuf.h" + +// cpp +#ifdef __cplusplus +#include "hmap.h" // +#include "hstring.h" // +#include "hfile.h" +#include "hpath.h" +#include "hdir.h" +#include "hurl.h" +#endif + +#endif // HV_H_ diff --git a/sdk/include/hv/hversion.h b/sdk/include/hv/hversion.h new file mode 100644 index 0000000..560f171 --- /dev/null +++ b/sdk/include/hv/hversion.h @@ -0,0 +1,34 @@ +#ifndef HV_VERSION_H_ +#define HV_VERSION_H_ + +#include "hexport.h" +#include "hdef.h" + +BEGIN_EXTERN_C + +#define HV_VERSION_MAJOR 1 +#define HV_VERSION_MINOR 2 +#define HV_VERSION_PATCH 5 + +#define HV_VERSION_STRING STRINGIFY(HV_VERSION_MAJOR) "." \ + STRINGIFY(HV_VERSION_MINOR) "." \ + STRINGIFY(HV_VERSION_PATCH) + +#define HV_VERSION_NUMBER ((HV_VERSION_MAJOR << 16) | (HV_VERSION_MINOR << 8) | HV_VERSION_PATCH) + + +HV_INLINE const char* hv_version() { + return HV_VERSION_STRING; +} + +HV_EXPORT const char* hv_compile_version(); + +// 1.2.3.4 => 0x01020304 +HV_EXPORT int version_atoi(const char* str); + +// 0x01020304 => 1.2.3.4 +HV_EXPORT void version_itoa(int hex, char* str); + +END_EXTERN_C + +#endif // HV_VERSION_H_ diff --git a/sdk/include/hv/icmp.h b/sdk/include/hv/icmp.h new file mode 100644 index 0000000..afd8349 --- /dev/null +++ b/sdk/include/hv/icmp.h @@ -0,0 +1,15 @@ +#ifndef HV_ICMP_H_ +#define HV_ICMP_H_ + +#include "hexport.h" + +BEGIN_EXTERN_C + +// @param cnt: ping count +// @return: ok count +// @note: printd $CC -DPRINT_DEBUG +HV_EXPORT int ping(const char* host, int cnt DEFAULT(4)); + +END_EXTERN_C + +#endif // HV_ICMP_H_ diff --git a/sdk/include/hv/ifconfig.h b/sdk/include/hv/ifconfig.h new file mode 100644 index 0000000..cf717d0 --- /dev/null +++ b/sdk/include/hv/ifconfig.h @@ -0,0 +1,36 @@ +#ifndef HV_IFCONFIG_H_ +#define HV_IFCONFIG_H_ + +#include + +#include "hexport.h" + +#ifdef _MSC_VER +#pragma comment(lib, "iphlpapi.lib") +#pragma comment(lib, "ws2_32.lib") +#endif + +typedef struct ifconfig_s { + char name[128]; + char ip[16]; + char mask[16]; + char broadcast[16]; + char mac[20]; +} ifconfig_t; + +/* + * @test + std::vector ifcs; + ifconfig(ifcs); + for (auto& item : ifcs) { + printf("%s\nip: %s\nmask: %s\nbroadcast: %s\nmac: %s\n\n", + item.name, + item.ip, + item.mask, + item.broadcast, + item.mac); + } + */ +HV_EXPORT int ifconfig(std::vector& ifcs); + +#endif // HV_IFCONFIG_H_ diff --git a/sdk/include/hv/iniparser.h b/sdk/include/hv/iniparser.h new file mode 100644 index 0000000..5e967dc --- /dev/null +++ b/sdk/include/hv/iniparser.h @@ -0,0 +1,50 @@ +#ifndef HV_INI_PARSER_H_ +#define HV_INI_PARSER_H_ + +#include + +#include "hexport.h" + +#define DEFAULT_INI_COMMENT "#" +#define DEFAULT_INI_DELIM "=" + +// fwd +class IniNode; + +class HV_EXPORT IniParser { +public: + IniParser(); + ~IniParser(); + + int LoadFromFile(const char* filepath); + int LoadFromMem(const char* data); + int Unload(); + int Reload(); + + std::string DumpString(); + int Save(); + int SaveAs(const char* filepath); + + std::string GetValue(const std::string& key, const std::string& section = ""); + void SetValue(const std::string& key, const std::string& value, const std::string& section = ""); + + // T = [bool, int, float] + template + T Get(const std::string& key, const std::string& section = "", T defvalue = 0); + + // T = [bool, int, float] + template + void Set(const std::string& key, const T& value, const std::string& section = ""); + +protected: + void DumpString(IniNode* pNode, std::string& str); + +public: + std::string _comment; + std::string _delim; + std::string _filepath; +private: + IniNode* root_; +}; + +#endif // HV_INI_PARSER_H_ diff --git a/sdk/include/hv/json.hpp b/sdk/include/hv/json.hpp new file mode 100644 index 0000000..a70aaf8 --- /dev/null +++ b/sdk/include/hv/json.hpp @@ -0,0 +1,25447 @@ +/* + __ _____ _____ _____ + __| | __| | | | JSON for Modern C++ +| | |__ | | | | | | version 3.9.1 +|_____|_____|_____|_|___| https://github.com/nlohmann/json + +Licensed under the MIT License . +SPDX-License-Identifier: MIT +Copyright (c) 2013-2019 Niels Lohmann . + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +#ifndef INCLUDE_NLOHMANN_JSON_HPP_ +#define INCLUDE_NLOHMANN_JSON_HPP_ + +#define NLOHMANN_JSON_VERSION_MAJOR 3 +#define NLOHMANN_JSON_VERSION_MINOR 9 +#define NLOHMANN_JSON_VERSION_PATCH 1 + +#include // all_of, find, for_each +#include // nullptr_t, ptrdiff_t, size_t +#include // hash, less +#include // initializer_list +#include // istream, ostream +#include // random_access_iterator_tag +#include // unique_ptr +#include // accumulate +#include // string, stoi, to_string +#include // declval, forward, move, pair, swap +#include // vector + +// #include + + +#include + +// #include + + +#include // transform +#include // array +#include // forward_list +#include // inserter, front_inserter, end +#include // map +#include // string +#include // tuple, make_tuple +#include // is_arithmetic, is_same, is_enum, underlying_type, is_convertible +#include // unordered_map +#include // pair, declval +#include // valarray + +// #include + + +#include // exception +#include // runtime_error +#include // to_string + +// #include + + +#include // size_t + +namespace nlohmann +{ +namespace detail +{ +/// struct to capture the start position of the current token +struct position_t +{ + /// the total number of characters read + std::size_t chars_read_total = 0; + /// the number of characters read in the current line + std::size_t chars_read_current_line = 0; + /// the number of lines read + std::size_t lines_read = 0; + + /// conversion to size_t to preserve SAX interface + constexpr operator size_t() const + { + return chars_read_total; + } +}; + +} // namespace detail +} // namespace nlohmann + +// #include + + +#include // pair +// #include +/* Hedley - https://nemequ.github.io/hedley + * Created by Evan Nemerson + * + * To the extent possible under law, the author(s) have dedicated all + * copyright and related and neighboring rights to this software to + * the public domain worldwide. This software is distributed without + * any warranty. + * + * For details, see . + * SPDX-License-Identifier: CC0-1.0 + */ + +#if !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < 13) +#if defined(JSON_HEDLEY_VERSION) + #undef JSON_HEDLEY_VERSION +#endif +#define JSON_HEDLEY_VERSION 13 + +#if defined(JSON_HEDLEY_STRINGIFY_EX) + #undef JSON_HEDLEY_STRINGIFY_EX +#endif +#define JSON_HEDLEY_STRINGIFY_EX(x) #x + +#if defined(JSON_HEDLEY_STRINGIFY) + #undef JSON_HEDLEY_STRINGIFY +#endif +#define JSON_HEDLEY_STRINGIFY(x) JSON_HEDLEY_STRINGIFY_EX(x) + +#if defined(JSON_HEDLEY_CONCAT_EX) + #undef JSON_HEDLEY_CONCAT_EX +#endif +#define JSON_HEDLEY_CONCAT_EX(a,b) a##b + +#if defined(JSON_HEDLEY_CONCAT) + #undef JSON_HEDLEY_CONCAT +#endif +#define JSON_HEDLEY_CONCAT(a,b) JSON_HEDLEY_CONCAT_EX(a,b) + +#if defined(JSON_HEDLEY_CONCAT3_EX) + #undef JSON_HEDLEY_CONCAT3_EX +#endif +#define JSON_HEDLEY_CONCAT3_EX(a,b,c) a##b##c + +#if defined(JSON_HEDLEY_CONCAT3) + #undef JSON_HEDLEY_CONCAT3 +#endif +#define JSON_HEDLEY_CONCAT3(a,b,c) JSON_HEDLEY_CONCAT3_EX(a,b,c) + +#if defined(JSON_HEDLEY_VERSION_ENCODE) + #undef JSON_HEDLEY_VERSION_ENCODE +#endif +#define JSON_HEDLEY_VERSION_ENCODE(major,minor,revision) (((major) * 1000000) + ((minor) * 1000) + (revision)) + +#if defined(JSON_HEDLEY_VERSION_DECODE_MAJOR) + #undef JSON_HEDLEY_VERSION_DECODE_MAJOR +#endif +#define JSON_HEDLEY_VERSION_DECODE_MAJOR(version) ((version) / 1000000) + +#if defined(JSON_HEDLEY_VERSION_DECODE_MINOR) + #undef JSON_HEDLEY_VERSION_DECODE_MINOR +#endif +#define JSON_HEDLEY_VERSION_DECODE_MINOR(version) (((version) % 1000000) / 1000) + +#if defined(JSON_HEDLEY_VERSION_DECODE_REVISION) + #undef JSON_HEDLEY_VERSION_DECODE_REVISION +#endif +#define JSON_HEDLEY_VERSION_DECODE_REVISION(version) ((version) % 1000) + +#if defined(JSON_HEDLEY_GNUC_VERSION) + #undef JSON_HEDLEY_GNUC_VERSION +#endif +#if defined(__GNUC__) && defined(__GNUC_PATCHLEVEL__) + #define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__) +#elif defined(__GNUC__) + #define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, 0) +#endif + +#if defined(JSON_HEDLEY_GNUC_VERSION_CHECK) + #undef JSON_HEDLEY_GNUC_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_GNUC_VERSION) + #define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GNUC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_MSVC_VERSION) + #undef JSON_HEDLEY_MSVC_VERSION +#endif +#if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 140000000) + #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 10000000, (_MSC_FULL_VER % 10000000) / 100000, (_MSC_FULL_VER % 100000) / 100) +#elif defined(_MSC_FULL_VER) + #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 1000000, (_MSC_FULL_VER % 1000000) / 10000, (_MSC_FULL_VER % 10000) / 10) +#elif defined(_MSC_VER) + #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_VER / 100, _MSC_VER % 100, 0) +#endif + +#if defined(JSON_HEDLEY_MSVC_VERSION_CHECK) + #undef JSON_HEDLEY_MSVC_VERSION_CHECK +#endif +#if !defined(_MSC_VER) + #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (0) +#elif defined(_MSC_VER) && (_MSC_VER >= 1400) + #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 10000000) + (minor * 100000) + (patch))) +#elif defined(_MSC_VER) && (_MSC_VER >= 1200) + #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 1000000) + (minor * 10000) + (patch))) +#else + #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_VER >= ((major * 100) + (minor))) +#endif + +#if defined(JSON_HEDLEY_INTEL_VERSION) + #undef JSON_HEDLEY_INTEL_VERSION +#endif +#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) + #define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, __INTEL_COMPILER_UPDATE) +#elif defined(__INTEL_COMPILER) + #define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, 0) +#endif + +#if defined(JSON_HEDLEY_INTEL_VERSION_CHECK) + #undef JSON_HEDLEY_INTEL_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_INTEL_VERSION) + #define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_INTEL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_PGI_VERSION) + #undef JSON_HEDLEY_PGI_VERSION +#endif +#if defined(__PGI) && defined(__PGIC__) && defined(__PGIC_MINOR__) && defined(__PGIC_PATCHLEVEL__) + #define JSON_HEDLEY_PGI_VERSION JSON_HEDLEY_VERSION_ENCODE(__PGIC__, __PGIC_MINOR__, __PGIC_PATCHLEVEL__) +#endif + +#if defined(JSON_HEDLEY_PGI_VERSION_CHECK) + #undef JSON_HEDLEY_PGI_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_PGI_VERSION) + #define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PGI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_SUNPRO_VERSION) + #undef JSON_HEDLEY_SUNPRO_VERSION +#endif +#if defined(__SUNPRO_C) && (__SUNPRO_C > 0x1000) + #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_C >> 16) & 0xf) * 10) + ((__SUNPRO_C >> 12) & 0xf), (((__SUNPRO_C >> 8) & 0xf) * 10) + ((__SUNPRO_C >> 4) & 0xf), (__SUNPRO_C & 0xf) * 10) +#elif defined(__SUNPRO_C) + #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_C >> 8) & 0xf, (__SUNPRO_C >> 4) & 0xf, (__SUNPRO_C) & 0xf) +#elif defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x1000) + #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_CC >> 16) & 0xf) * 10) + ((__SUNPRO_CC >> 12) & 0xf), (((__SUNPRO_CC >> 8) & 0xf) * 10) + ((__SUNPRO_CC >> 4) & 0xf), (__SUNPRO_CC & 0xf) * 10) +#elif defined(__SUNPRO_CC) + #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_CC >> 8) & 0xf, (__SUNPRO_CC >> 4) & 0xf, (__SUNPRO_CC) & 0xf) +#endif + +#if defined(JSON_HEDLEY_SUNPRO_VERSION_CHECK) + #undef JSON_HEDLEY_SUNPRO_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_SUNPRO_VERSION) + #define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_SUNPRO_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) + #undef JSON_HEDLEY_EMSCRIPTEN_VERSION +#endif +#if defined(__EMSCRIPTEN__) + #define JSON_HEDLEY_EMSCRIPTEN_VERSION JSON_HEDLEY_VERSION_ENCODE(__EMSCRIPTEN_major__, __EMSCRIPTEN_minor__, __EMSCRIPTEN_tiny__) +#endif + +#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK) + #undef JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) + #define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_EMSCRIPTEN_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_ARM_VERSION) + #undef JSON_HEDLEY_ARM_VERSION +#endif +#if defined(__CC_ARM) && defined(__ARMCOMPILER_VERSION) + #define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCOMPILER_VERSION / 1000000, (__ARMCOMPILER_VERSION % 1000000) / 10000, (__ARMCOMPILER_VERSION % 10000) / 100) +#elif defined(__CC_ARM) && defined(__ARMCC_VERSION) + #define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCC_VERSION / 1000000, (__ARMCC_VERSION % 1000000) / 10000, (__ARMCC_VERSION % 10000) / 100) +#endif + +#if defined(JSON_HEDLEY_ARM_VERSION_CHECK) + #undef JSON_HEDLEY_ARM_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_ARM_VERSION) + #define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_ARM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_IBM_VERSION) + #undef JSON_HEDLEY_IBM_VERSION +#endif +#if defined(__ibmxl__) + #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ibmxl_version__, __ibmxl_release__, __ibmxl_modification__) +#elif defined(__xlC__) && defined(__xlC_ver__) + #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, (__xlC_ver__ >> 8) & 0xff) +#elif defined(__xlC__) + #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, 0) +#endif + +#if defined(JSON_HEDLEY_IBM_VERSION_CHECK) + #undef JSON_HEDLEY_IBM_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_IBM_VERSION) + #define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IBM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_VERSION) + #undef JSON_HEDLEY_TI_VERSION +#endif +#if \ + defined(__TI_COMPILER_VERSION__) && \ + ( \ + defined(__TMS470__) || defined(__TI_ARM__) || \ + defined(__MSP430__) || \ + defined(__TMS320C2000__) \ + ) +#if (__TI_COMPILER_VERSION__ >= 16000000) + #define JSON_HEDLEY_TI_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif +#endif + +#if defined(JSON_HEDLEY_TI_VERSION_CHECK) + #undef JSON_HEDLEY_TI_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_VERSION) + #define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_CL2000_VERSION) + #undef JSON_HEDLEY_TI_CL2000_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C2000__) + #define JSON_HEDLEY_TI_CL2000_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_CL2000_VERSION_CHECK) + #undef JSON_HEDLEY_TI_CL2000_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_CL2000_VERSION) + #define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL2000_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_CL430_VERSION) + #undef JSON_HEDLEY_TI_CL430_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__MSP430__) + #define JSON_HEDLEY_TI_CL430_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_CL430_VERSION_CHECK) + #undef JSON_HEDLEY_TI_CL430_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_CL430_VERSION) + #define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL430_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) + #undef JSON_HEDLEY_TI_ARMCL_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && (defined(__TMS470__) || defined(__TI_ARM__)) + #define JSON_HEDLEY_TI_ARMCL_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_ARMCL_VERSION_CHECK) + #undef JSON_HEDLEY_TI_ARMCL_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) + #define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_ARMCL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_CL6X_VERSION) + #undef JSON_HEDLEY_TI_CL6X_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C6X__) + #define JSON_HEDLEY_TI_CL6X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_CL6X_VERSION_CHECK) + #undef JSON_HEDLEY_TI_CL6X_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_CL6X_VERSION) + #define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL6X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_CL7X_VERSION) + #undef JSON_HEDLEY_TI_CL7X_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__C7000__) + #define JSON_HEDLEY_TI_CL7X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_CL7X_VERSION_CHECK) + #undef JSON_HEDLEY_TI_CL7X_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_CL7X_VERSION) + #define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL7X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) + #undef JSON_HEDLEY_TI_CLPRU_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__PRU__) + #define JSON_HEDLEY_TI_CLPRU_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_CLPRU_VERSION_CHECK) + #undef JSON_HEDLEY_TI_CLPRU_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) + #define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CLPRU_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_CRAY_VERSION) + #undef JSON_HEDLEY_CRAY_VERSION +#endif +#if defined(_CRAYC) + #if defined(_RELEASE_PATCHLEVEL) + #define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, _RELEASE_PATCHLEVEL) + #else + #define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, 0) + #endif +#endif + +#if defined(JSON_HEDLEY_CRAY_VERSION_CHECK) + #undef JSON_HEDLEY_CRAY_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_CRAY_VERSION) + #define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_CRAY_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_IAR_VERSION) + #undef JSON_HEDLEY_IAR_VERSION +#endif +#if defined(__IAR_SYSTEMS_ICC__) + #if __VER__ > 1000 + #define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE((__VER__ / 1000000), ((__VER__ / 1000) % 1000), (__VER__ % 1000)) + #else + #define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE(VER / 100, __VER__ % 100, 0) + #endif +#endif + +#if defined(JSON_HEDLEY_IAR_VERSION_CHECK) + #undef JSON_HEDLEY_IAR_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_IAR_VERSION) + #define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IAR_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TINYC_VERSION) + #undef JSON_HEDLEY_TINYC_VERSION +#endif +#if defined(__TINYC__) + #define JSON_HEDLEY_TINYC_VERSION JSON_HEDLEY_VERSION_ENCODE(__TINYC__ / 1000, (__TINYC__ / 100) % 10, __TINYC__ % 100) +#endif + +#if defined(JSON_HEDLEY_TINYC_VERSION_CHECK) + #undef JSON_HEDLEY_TINYC_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TINYC_VERSION) + #define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TINYC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_DMC_VERSION) + #undef JSON_HEDLEY_DMC_VERSION +#endif +#if defined(__DMC__) + #define JSON_HEDLEY_DMC_VERSION JSON_HEDLEY_VERSION_ENCODE(__DMC__ >> 8, (__DMC__ >> 4) & 0xf, __DMC__ & 0xf) +#endif + +#if defined(JSON_HEDLEY_DMC_VERSION_CHECK) + #undef JSON_HEDLEY_DMC_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_DMC_VERSION) + #define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_DMC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_COMPCERT_VERSION) + #undef JSON_HEDLEY_COMPCERT_VERSION +#endif +#if defined(__COMPCERT_VERSION__) + #define JSON_HEDLEY_COMPCERT_VERSION JSON_HEDLEY_VERSION_ENCODE(__COMPCERT_VERSION__ / 10000, (__COMPCERT_VERSION__ / 100) % 100, __COMPCERT_VERSION__ % 100) +#endif + +#if defined(JSON_HEDLEY_COMPCERT_VERSION_CHECK) + #undef JSON_HEDLEY_COMPCERT_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_COMPCERT_VERSION) + #define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_COMPCERT_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_PELLES_VERSION) + #undef JSON_HEDLEY_PELLES_VERSION +#endif +#if defined(__POCC__) + #define JSON_HEDLEY_PELLES_VERSION JSON_HEDLEY_VERSION_ENCODE(__POCC__ / 100, __POCC__ % 100, 0) +#endif + +#if defined(JSON_HEDLEY_PELLES_VERSION_CHECK) + #undef JSON_HEDLEY_PELLES_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_PELLES_VERSION) + #define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PELLES_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_GCC_VERSION) + #undef JSON_HEDLEY_GCC_VERSION +#endif +#if \ + defined(JSON_HEDLEY_GNUC_VERSION) && \ + !defined(__clang__) && \ + !defined(JSON_HEDLEY_INTEL_VERSION) && \ + !defined(JSON_HEDLEY_PGI_VERSION) && \ + !defined(JSON_HEDLEY_ARM_VERSION) && \ + !defined(JSON_HEDLEY_TI_VERSION) && \ + !defined(JSON_HEDLEY_TI_ARMCL_VERSION) && \ + !defined(JSON_HEDLEY_TI_CL430_VERSION) && \ + !defined(JSON_HEDLEY_TI_CL2000_VERSION) && \ + !defined(JSON_HEDLEY_TI_CL6X_VERSION) && \ + !defined(JSON_HEDLEY_TI_CL7X_VERSION) && \ + !defined(JSON_HEDLEY_TI_CLPRU_VERSION) && \ + !defined(__COMPCERT__) + #define JSON_HEDLEY_GCC_VERSION JSON_HEDLEY_GNUC_VERSION +#endif + +#if defined(JSON_HEDLEY_GCC_VERSION_CHECK) + #undef JSON_HEDLEY_GCC_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_GCC_VERSION) + #define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GCC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_HAS_ATTRIBUTE) + #undef JSON_HEDLEY_HAS_ATTRIBUTE +#endif +#if defined(__has_attribute) + #define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) __has_attribute(attribute) +#else + #define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_ATTRIBUTE) + #undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE +#endif +#if defined(__has_attribute) + #define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) +#else + #define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_ATTRIBUTE) + #undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE +#endif +#if defined(__has_attribute) + #define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) +#else + #define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE) + #undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE +#endif +#if \ + defined(__has_cpp_attribute) && \ + defined(__cplusplus) && \ + (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) + #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) __has_cpp_attribute(attribute) +#else + #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) (0) +#endif + +#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS) + #undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS +#endif +#if !defined(__cplusplus) || !defined(__has_cpp_attribute) + #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) +#elif \ + !defined(JSON_HEDLEY_PGI_VERSION) && \ + !defined(JSON_HEDLEY_IAR_VERSION) && \ + (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) && \ + (!defined(JSON_HEDLEY_MSVC_VERSION) || JSON_HEDLEY_MSVC_VERSION_CHECK(19,20,0)) + #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(ns::attribute) +#else + #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE) + #undef JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE +#endif +#if defined(__has_cpp_attribute) && defined(__cplusplus) + #define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) +#else + #define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE) + #undef JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE +#endif +#if defined(__has_cpp_attribute) && defined(__cplusplus) + #define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) +#else + #define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_BUILTIN) + #undef JSON_HEDLEY_HAS_BUILTIN +#endif +#if defined(__has_builtin) + #define JSON_HEDLEY_HAS_BUILTIN(builtin) __has_builtin(builtin) +#else + #define JSON_HEDLEY_HAS_BUILTIN(builtin) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_BUILTIN) + #undef JSON_HEDLEY_GNUC_HAS_BUILTIN +#endif +#if defined(__has_builtin) + #define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) +#else + #define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_BUILTIN) + #undef JSON_HEDLEY_GCC_HAS_BUILTIN +#endif +#if defined(__has_builtin) + #define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) +#else + #define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_FEATURE) + #undef JSON_HEDLEY_HAS_FEATURE +#endif +#if defined(__has_feature) + #define JSON_HEDLEY_HAS_FEATURE(feature) __has_feature(feature) +#else + #define JSON_HEDLEY_HAS_FEATURE(feature) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_FEATURE) + #undef JSON_HEDLEY_GNUC_HAS_FEATURE +#endif +#if defined(__has_feature) + #define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) +#else + #define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_FEATURE) + #undef JSON_HEDLEY_GCC_HAS_FEATURE +#endif +#if defined(__has_feature) + #define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) +#else + #define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_EXTENSION) + #undef JSON_HEDLEY_HAS_EXTENSION +#endif +#if defined(__has_extension) + #define JSON_HEDLEY_HAS_EXTENSION(extension) __has_extension(extension) +#else + #define JSON_HEDLEY_HAS_EXTENSION(extension) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_EXTENSION) + #undef JSON_HEDLEY_GNUC_HAS_EXTENSION +#endif +#if defined(__has_extension) + #define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) +#else + #define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_EXTENSION) + #undef JSON_HEDLEY_GCC_HAS_EXTENSION +#endif +#if defined(__has_extension) + #define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) +#else + #define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE) + #undef JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE +#endif +#if defined(__has_declspec_attribute) + #define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) __has_declspec_attribute(attribute) +#else + #define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE) + #undef JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE +#endif +#if defined(__has_declspec_attribute) + #define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) +#else + #define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE) + #undef JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE +#endif +#if defined(__has_declspec_attribute) + #define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) +#else + #define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_WARNING) + #undef JSON_HEDLEY_HAS_WARNING +#endif +#if defined(__has_warning) + #define JSON_HEDLEY_HAS_WARNING(warning) __has_warning(warning) +#else + #define JSON_HEDLEY_HAS_WARNING(warning) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_WARNING) + #undef JSON_HEDLEY_GNUC_HAS_WARNING +#endif +#if defined(__has_warning) + #define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) +#else + #define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_WARNING) + #undef JSON_HEDLEY_GCC_HAS_WARNING +#endif +#if defined(__has_warning) + #define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) +#else + #define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +/* JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ is for + HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ +#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) + #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ +#endif +#if defined(__cplusplus) +# if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat") +# if JSON_HEDLEY_HAS_WARNING("-Wc++17-extensions") +# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ + _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \ + xpr \ + JSON_HEDLEY_DIAGNOSTIC_POP +# else +# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ + xpr \ + JSON_HEDLEY_DIAGNOSTIC_POP +# endif +# endif +#endif +#if !defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(x) x +#endif + +#if defined(JSON_HEDLEY_CONST_CAST) + #undef JSON_HEDLEY_CONST_CAST +#endif +#if defined(__cplusplus) +# define JSON_HEDLEY_CONST_CAST(T, expr) (const_cast(expr)) +#elif \ + JSON_HEDLEY_HAS_WARNING("-Wcast-qual") || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) +# define JSON_HEDLEY_CONST_CAST(T, expr) (__extension__ ({ \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL \ + ((T) (expr)); \ + JSON_HEDLEY_DIAGNOSTIC_POP \ + })) +#else +# define JSON_HEDLEY_CONST_CAST(T, expr) ((T) (expr)) +#endif + +#if defined(JSON_HEDLEY_REINTERPRET_CAST) + #undef JSON_HEDLEY_REINTERPRET_CAST +#endif +#if defined(__cplusplus) + #define JSON_HEDLEY_REINTERPRET_CAST(T, expr) (reinterpret_cast(expr)) +#else + #define JSON_HEDLEY_REINTERPRET_CAST(T, expr) ((T) (expr)) +#endif + +#if defined(JSON_HEDLEY_STATIC_CAST) + #undef JSON_HEDLEY_STATIC_CAST +#endif +#if defined(__cplusplus) + #define JSON_HEDLEY_STATIC_CAST(T, expr) (static_cast(expr)) +#else + #define JSON_HEDLEY_STATIC_CAST(T, expr) ((T) (expr)) +#endif + +#if defined(JSON_HEDLEY_CPP_CAST) + #undef JSON_HEDLEY_CPP_CAST +#endif +#if defined(__cplusplus) +# if JSON_HEDLEY_HAS_WARNING("-Wold-style-cast") +# define JSON_HEDLEY_CPP_CAST(T, expr) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wold-style-cast\"") \ + ((T) (expr)) \ + JSON_HEDLEY_DIAGNOSTIC_POP +# elif JSON_HEDLEY_IAR_VERSION_CHECK(8,3,0) +# define JSON_HEDLEY_CPP_CAST(T, expr) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("diag_suppress=Pe137") \ + JSON_HEDLEY_DIAGNOSTIC_POP \ +# else +# define JSON_HEDLEY_CPP_CAST(T, expr) ((T) (expr)) +# endif +#else +# define JSON_HEDLEY_CPP_CAST(T, expr) (expr) +#endif + +#if \ + (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ + defined(__clang__) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,0,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) || \ + JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,17) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(8,0,0) || \ + (JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) && defined(__C99_PRAGMA_OPERATOR)) + #define JSON_HEDLEY_PRAGMA(value) _Pragma(#value) +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) + #define JSON_HEDLEY_PRAGMA(value) __pragma(value) +#else + #define JSON_HEDLEY_PRAGMA(value) +#endif + +#if defined(JSON_HEDLEY_DIAGNOSTIC_PUSH) + #undef JSON_HEDLEY_DIAGNOSTIC_PUSH +#endif +#if defined(JSON_HEDLEY_DIAGNOSTIC_POP) + #undef JSON_HEDLEY_DIAGNOSTIC_POP +#endif +#if defined(__clang__) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("clang diagnostic pop") +#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") +#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH __pragma(warning(push)) + #define JSON_HEDLEY_DIAGNOSTIC_POP __pragma(warning(pop)) +#elif JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("push") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("pop") +#elif \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,4,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("diag_push") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("diag_pop") +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") +#else + #define JSON_HEDLEY_DIAGNOSTIC_PUSH + #define JSON_HEDLEY_DIAGNOSTIC_POP +#endif + +#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED) + #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wdeprecated-declarations") + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") +#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warning(disable:1478 1786)") +#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1444") +#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:4996)) +#elif \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1291,1718") +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && !defined(__cplusplus) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,E_DEPRECATED_ATT,E_DEPRECATED_ATT_MESS)") +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && defined(__cplusplus) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,symdeprecated,symdeprecated2)") +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress=Pe1444,Pe1215") +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warn(disable:2241)") +#else + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED +#endif + +#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS) + #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"") +#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("warning(disable:161)") +#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 1675") +#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("GCC diagnostic ignored \"-Wunknown-pragmas\"") +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS __pragma(warning(disable:4068)) +#elif \ + JSON_HEDLEY_TI_VERSION_CHECK(16,9,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") +#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress=Pe161") +#else + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS +#endif + +#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES) + #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wunknown-attributes") + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("clang diagnostic ignored \"-Wunknown-attributes\"") +#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") +#elif JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("warning(disable:1292)") +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:5030)) +#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097") +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("error_messages(off,attrskipunsup)") +#elif \ + JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1173") +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress=Pe1097") +#else + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES +#endif + +#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL) + #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wcast-qual") + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("clang diagnostic ignored \"-Wcast-qual\"") +#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("warning(disable:2203 2331)") +#elif JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("GCC diagnostic ignored \"-Wcast-qual\"") +#else + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL +#endif + +#if defined(JSON_HEDLEY_DEPRECATED) + #undef JSON_HEDLEY_DEPRECATED +#endif +#if defined(JSON_HEDLEY_DEPRECATED_FOR) + #undef JSON_HEDLEY_DEPRECATED_FOR +#endif +#if JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) + #define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated("Since " # since)) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated("Since " #since "; use " #replacement)) +#elif defined(__cplusplus) && (__cplusplus >= 201402L) + #define JSON_HEDLEY_DEPRECATED(since) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since)]]) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since "; use " #replacement)]]) +#elif \ + JSON_HEDLEY_HAS_EXTENSION(attribute_deprecated_with_message) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(18,1,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) + #define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__("Since " #since))) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__("Since " #since "; use " #replacement))) +#elif \ + JSON_HEDLEY_HAS_ATTRIBUTE(deprecated) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) + #define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__)) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__)) +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ + JSON_HEDLEY_PELLES_VERSION_CHECK(6,50,0) + #define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated) +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_DEPRECATED(since) _Pragma("deprecated") + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) _Pragma("deprecated") +#else + #define JSON_HEDLEY_DEPRECATED(since) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) +#endif + +#if defined(JSON_HEDLEY_UNAVAILABLE) + #undef JSON_HEDLEY_UNAVAILABLE +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(warning) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_UNAVAILABLE(available_since) __attribute__((__warning__("Not available until " #available_since))) +#else + #define JSON_HEDLEY_UNAVAILABLE(available_since) +#endif + +#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT) + #undef JSON_HEDLEY_WARN_UNUSED_RESULT +#endif +#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT_MSG) + #undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG +#endif +#if (JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) >= 201907L) + #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) + #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard(msg)]]) +#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) + #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) + #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) +#elif \ + JSON_HEDLEY_HAS_ATTRIBUTE(warn_unused_result) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) + #define JSON_HEDLEY_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) + #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) __attribute__((__warn_unused_result__)) +#elif defined(_Check_return_) /* SAL */ + #define JSON_HEDLEY_WARN_UNUSED_RESULT _Check_return_ + #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) _Check_return_ +#else + #define JSON_HEDLEY_WARN_UNUSED_RESULT + #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) +#endif + +#if defined(JSON_HEDLEY_SENTINEL) + #undef JSON_HEDLEY_SENTINEL +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(sentinel) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) + #define JSON_HEDLEY_SENTINEL(position) __attribute__((__sentinel__(position))) +#else + #define JSON_HEDLEY_SENTINEL(position) +#endif + +#if defined(JSON_HEDLEY_NO_RETURN) + #undef JSON_HEDLEY_NO_RETURN +#endif +#if JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_NO_RETURN __noreturn +#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) +#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L + #define JSON_HEDLEY_NO_RETURN _Noreturn +#elif defined(__cplusplus) && (__cplusplus >= 201103L) + #define JSON_HEDLEY_NO_RETURN JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[noreturn]]) +#elif \ + JSON_HEDLEY_HAS_ATTRIBUTE(noreturn) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,2,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) + #define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) + #define JSON_HEDLEY_NO_RETURN _Pragma("does_not_return") +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) + #define JSON_HEDLEY_NO_RETURN __declspec(noreturn) +#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) + #define JSON_HEDLEY_NO_RETURN _Pragma("FUNC_NEVER_RETURNS;") +#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) + #define JSON_HEDLEY_NO_RETURN __attribute((noreturn)) +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) + #define JSON_HEDLEY_NO_RETURN __declspec(noreturn) +#else + #define JSON_HEDLEY_NO_RETURN +#endif + +#if defined(JSON_HEDLEY_NO_ESCAPE) + #undef JSON_HEDLEY_NO_ESCAPE +#endif +#if JSON_HEDLEY_HAS_ATTRIBUTE(noescape) + #define JSON_HEDLEY_NO_ESCAPE __attribute__((__noescape__)) +#else + #define JSON_HEDLEY_NO_ESCAPE +#endif + +#if defined(JSON_HEDLEY_UNREACHABLE) + #undef JSON_HEDLEY_UNREACHABLE +#endif +#if defined(JSON_HEDLEY_UNREACHABLE_RETURN) + #undef JSON_HEDLEY_UNREACHABLE_RETURN +#endif +#if defined(JSON_HEDLEY_ASSUME) + #undef JSON_HEDLEY_ASSUME +#endif +#if \ + JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_ASSUME(expr) __assume(expr) +#elif JSON_HEDLEY_HAS_BUILTIN(__builtin_assume) + #define JSON_HEDLEY_ASSUME(expr) __builtin_assume(expr) +#elif \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) + #if defined(__cplusplus) + #define JSON_HEDLEY_ASSUME(expr) std::_nassert(expr) + #else + #define JSON_HEDLEY_ASSUME(expr) _nassert(expr) + #endif +#endif +#if \ + (JSON_HEDLEY_HAS_BUILTIN(__builtin_unreachable) && (!defined(JSON_HEDLEY_ARM_VERSION))) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(18,10,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(13,1,5) + #define JSON_HEDLEY_UNREACHABLE() __builtin_unreachable() +#elif defined(JSON_HEDLEY_ASSUME) + #define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) +#endif +#if !defined(JSON_HEDLEY_ASSUME) + #if defined(JSON_HEDLEY_UNREACHABLE) + #define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, ((expr) ? 1 : (JSON_HEDLEY_UNREACHABLE(), 1))) + #else + #define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, expr) + #endif +#endif +#if defined(JSON_HEDLEY_UNREACHABLE) + #if \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) + #define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (JSON_HEDLEY_STATIC_CAST(void, JSON_HEDLEY_ASSUME(0)), (value)) + #else + #define JSON_HEDLEY_UNREACHABLE_RETURN(value) JSON_HEDLEY_UNREACHABLE() + #endif +#else + #define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (value) +#endif +#if !defined(JSON_HEDLEY_UNREACHABLE) + #define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) +#endif + +JSON_HEDLEY_DIAGNOSTIC_PUSH +#if JSON_HEDLEY_HAS_WARNING("-Wpedantic") + #pragma clang diagnostic ignored "-Wpedantic" +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat-pedantic") && defined(__cplusplus) + #pragma clang diagnostic ignored "-Wc++98-compat-pedantic" +#endif +#if JSON_HEDLEY_GCC_HAS_WARNING("-Wvariadic-macros",4,0,0) + #if defined(__clang__) + #pragma clang diagnostic ignored "-Wvariadic-macros" + #elif defined(JSON_HEDLEY_GCC_VERSION) + #pragma GCC diagnostic ignored "-Wvariadic-macros" + #endif +#endif +#if defined(JSON_HEDLEY_NON_NULL) + #undef JSON_HEDLEY_NON_NULL +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(nonnull) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) + #define JSON_HEDLEY_NON_NULL(...) __attribute__((__nonnull__(__VA_ARGS__))) +#else + #define JSON_HEDLEY_NON_NULL(...) +#endif +JSON_HEDLEY_DIAGNOSTIC_POP + +#if defined(JSON_HEDLEY_PRINTF_FORMAT) + #undef JSON_HEDLEY_PRINTF_FORMAT +#endif +#if defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && !defined(__USE_MINGW_ANSI_STDIO) + #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(ms_printf, string_idx, first_to_check))) +#elif defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && defined(__USE_MINGW_ANSI_STDIO) + #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(gnu_printf, string_idx, first_to_check))) +#elif \ + JSON_HEDLEY_HAS_ATTRIBUTE(format) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) + #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(__printf__, string_idx, first_to_check))) +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(6,0,0) + #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __declspec(vaformat(printf,string_idx,first_to_check)) +#else + #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) +#endif + +#if defined(JSON_HEDLEY_CONSTEXPR) + #undef JSON_HEDLEY_CONSTEXPR +#endif +#if defined(__cplusplus) + #if __cplusplus >= 201103L + #define JSON_HEDLEY_CONSTEXPR JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(constexpr) + #endif +#endif +#if !defined(JSON_HEDLEY_CONSTEXPR) + #define JSON_HEDLEY_CONSTEXPR +#endif + +#if defined(JSON_HEDLEY_PREDICT) + #undef JSON_HEDLEY_PREDICT +#endif +#if defined(JSON_HEDLEY_LIKELY) + #undef JSON_HEDLEY_LIKELY +#endif +#if defined(JSON_HEDLEY_UNLIKELY) + #undef JSON_HEDLEY_UNLIKELY +#endif +#if defined(JSON_HEDLEY_UNPREDICTABLE) + #undef JSON_HEDLEY_UNPREDICTABLE +#endif +#if JSON_HEDLEY_HAS_BUILTIN(__builtin_unpredictable) + #define JSON_HEDLEY_UNPREDICTABLE(expr) __builtin_unpredictable((expr)) +#endif +#if \ + JSON_HEDLEY_HAS_BUILTIN(__builtin_expect_with_probability) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(9,0,0) +# define JSON_HEDLEY_PREDICT(expr, value, probability) __builtin_expect_with_probability( (expr), (value), (probability)) +# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) __builtin_expect_with_probability(!!(expr), 1 , (probability)) +# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) __builtin_expect_with_probability(!!(expr), 0 , (probability)) +# define JSON_HEDLEY_LIKELY(expr) __builtin_expect (!!(expr), 1 ) +# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect (!!(expr), 0 ) +#elif \ + JSON_HEDLEY_HAS_BUILTIN(__builtin_expect) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,27) || \ + JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) +# define JSON_HEDLEY_PREDICT(expr, expected, probability) \ + (((probability) >= 0.9) ? __builtin_expect((expr), (expected)) : (JSON_HEDLEY_STATIC_CAST(void, expected), (expr))) +# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) \ + (__extension__ ({ \ + double hedley_probability_ = (probability); \ + ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 1) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 0) : !!(expr))); \ + })) +# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) \ + (__extension__ ({ \ + double hedley_probability_ = (probability); \ + ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 0) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 1) : !!(expr))); \ + })) +# define JSON_HEDLEY_LIKELY(expr) __builtin_expect(!!(expr), 1) +# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect(!!(expr), 0) +#else +# define JSON_HEDLEY_PREDICT(expr, expected, probability) (JSON_HEDLEY_STATIC_CAST(void, expected), (expr)) +# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) (!!(expr)) +# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) (!!(expr)) +# define JSON_HEDLEY_LIKELY(expr) (!!(expr)) +# define JSON_HEDLEY_UNLIKELY(expr) (!!(expr)) +#endif +#if !defined(JSON_HEDLEY_UNPREDICTABLE) + #define JSON_HEDLEY_UNPREDICTABLE(expr) JSON_HEDLEY_PREDICT(expr, 1, 0.5) +#endif + +#if defined(JSON_HEDLEY_MALLOC) + #undef JSON_HEDLEY_MALLOC +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(malloc) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) + #define JSON_HEDLEY_MALLOC __attribute__((__malloc__)) +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) + #define JSON_HEDLEY_MALLOC _Pragma("returns_new_memory") +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(14, 0, 0) + #define JSON_HEDLEY_MALLOC __declspec(restrict) +#else + #define JSON_HEDLEY_MALLOC +#endif + +#if defined(JSON_HEDLEY_PURE) + #undef JSON_HEDLEY_PURE +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(pure) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(2,96,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) +# define JSON_HEDLEY_PURE __attribute__((__pure__)) +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) +# define JSON_HEDLEY_PURE _Pragma("does_not_write_global_data") +#elif defined(__cplusplus) && \ + ( \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) \ + ) +# define JSON_HEDLEY_PURE _Pragma("FUNC_IS_PURE;") +#else +# define JSON_HEDLEY_PURE +#endif + +#if defined(JSON_HEDLEY_CONST) + #undef JSON_HEDLEY_CONST +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(const) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(2,5,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) + #define JSON_HEDLEY_CONST __attribute__((__const__)) +#elif \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) + #define JSON_HEDLEY_CONST _Pragma("no_side_effect") +#else + #define JSON_HEDLEY_CONST JSON_HEDLEY_PURE +#endif + +#if defined(JSON_HEDLEY_RESTRICT) + #undef JSON_HEDLEY_RESTRICT +#endif +#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && !defined(__cplusplus) + #define JSON_HEDLEY_RESTRICT restrict +#elif \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,4) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus)) || \ + JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ + defined(__clang__) + #define JSON_HEDLEY_RESTRICT __restrict +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,3,0) && !defined(__cplusplus) + #define JSON_HEDLEY_RESTRICT _Restrict +#else + #define JSON_HEDLEY_RESTRICT +#endif + +#if defined(JSON_HEDLEY_INLINE) + #undef JSON_HEDLEY_INLINE +#endif +#if \ + (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ + (defined(__cplusplus) && (__cplusplus >= 199711L)) + #define JSON_HEDLEY_INLINE inline +#elif \ + defined(JSON_HEDLEY_GCC_VERSION) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(6,2,0) + #define JSON_HEDLEY_INLINE __inline__ +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,1,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) + #define JSON_HEDLEY_INLINE __inline +#else + #define JSON_HEDLEY_INLINE +#endif + +#if defined(JSON_HEDLEY_ALWAYS_INLINE) + #undef JSON_HEDLEY_ALWAYS_INLINE +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(always_inline) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) +# define JSON_HEDLEY_ALWAYS_INLINE __attribute__((__always_inline__)) JSON_HEDLEY_INLINE +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) +# define JSON_HEDLEY_ALWAYS_INLINE __forceinline +#elif defined(__cplusplus) && \ + ( \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) \ + ) +# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("FUNC_ALWAYS_INLINE;") +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) +# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("inline=forced") +#else +# define JSON_HEDLEY_ALWAYS_INLINE JSON_HEDLEY_INLINE +#endif + +#if defined(JSON_HEDLEY_NEVER_INLINE) + #undef JSON_HEDLEY_NEVER_INLINE +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(noinline) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) + #define JSON_HEDLEY_NEVER_INLINE __attribute__((__noinline__)) +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) + #define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) +#elif JSON_HEDLEY_PGI_VERSION_CHECK(10,2,0) + #define JSON_HEDLEY_NEVER_INLINE _Pragma("noinline") +#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) + #define JSON_HEDLEY_NEVER_INLINE _Pragma("FUNC_CANNOT_INLINE;") +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_NEVER_INLINE _Pragma("inline=never") +#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) + #define JSON_HEDLEY_NEVER_INLINE __attribute((noinline)) +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) + #define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) +#else + #define JSON_HEDLEY_NEVER_INLINE +#endif + +#if defined(JSON_HEDLEY_PRIVATE) + #undef JSON_HEDLEY_PRIVATE +#endif +#if defined(JSON_HEDLEY_PUBLIC) + #undef JSON_HEDLEY_PUBLIC +#endif +#if defined(JSON_HEDLEY_IMPORT) + #undef JSON_HEDLEY_IMPORT +#endif +#if defined(_WIN32) || defined(__CYGWIN__) +# define JSON_HEDLEY_PRIVATE +# define JSON_HEDLEY_PUBLIC __declspec(dllexport) +# define JSON_HEDLEY_IMPORT __declspec(dllimport) +#else +# if \ + JSON_HEDLEY_HAS_ATTRIBUTE(visibility) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ + ( \ + defined(__TI_EABI__) && \ + ( \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) \ + ) \ + ) +# define JSON_HEDLEY_PRIVATE __attribute__((__visibility__("hidden"))) +# define JSON_HEDLEY_PUBLIC __attribute__((__visibility__("default"))) +# else +# define JSON_HEDLEY_PRIVATE +# define JSON_HEDLEY_PUBLIC +# endif +# define JSON_HEDLEY_IMPORT extern +#endif + +#if defined(JSON_HEDLEY_NO_THROW) + #undef JSON_HEDLEY_NO_THROW +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(nothrow) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_NO_THROW __attribute__((__nothrow__)) +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(13,1,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) + #define JSON_HEDLEY_NO_THROW __declspec(nothrow) +#else + #define JSON_HEDLEY_NO_THROW +#endif + +#if defined(JSON_HEDLEY_FALL_THROUGH) + #undef JSON_HEDLEY_FALL_THROUGH +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(fallthrough) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(7,0,0) + #define JSON_HEDLEY_FALL_THROUGH __attribute__((__fallthrough__)) +#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(clang,fallthrough) + #define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[clang::fallthrough]]) +#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(fallthrough) + #define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[fallthrough]]) +#elif defined(__fallthrough) /* SAL */ + #define JSON_HEDLEY_FALL_THROUGH __fallthrough +#else + #define JSON_HEDLEY_FALL_THROUGH +#endif + +#if defined(JSON_HEDLEY_RETURNS_NON_NULL) + #undef JSON_HEDLEY_RETURNS_NON_NULL +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(returns_nonnull) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) + #define JSON_HEDLEY_RETURNS_NON_NULL __attribute__((__returns_nonnull__)) +#elif defined(_Ret_notnull_) /* SAL */ + #define JSON_HEDLEY_RETURNS_NON_NULL _Ret_notnull_ +#else + #define JSON_HEDLEY_RETURNS_NON_NULL +#endif + +#if defined(JSON_HEDLEY_ARRAY_PARAM) + #undef JSON_HEDLEY_ARRAY_PARAM +#endif +#if \ + defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ + !defined(__STDC_NO_VLA__) && \ + !defined(__cplusplus) && \ + !defined(JSON_HEDLEY_PGI_VERSION) && \ + !defined(JSON_HEDLEY_TINYC_VERSION) + #define JSON_HEDLEY_ARRAY_PARAM(name) (name) +#else + #define JSON_HEDLEY_ARRAY_PARAM(name) +#endif + +#if defined(JSON_HEDLEY_IS_CONSTANT) + #undef JSON_HEDLEY_IS_CONSTANT +#endif +#if defined(JSON_HEDLEY_REQUIRE_CONSTEXPR) + #undef JSON_HEDLEY_REQUIRE_CONSTEXPR +#endif +/* JSON_HEDLEY_IS_CONSTEXPR_ is for + HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ +#if defined(JSON_HEDLEY_IS_CONSTEXPR_) + #undef JSON_HEDLEY_IS_CONSTEXPR_ +#endif +#if \ + JSON_HEDLEY_HAS_BUILTIN(__builtin_constant_p) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,19) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ + (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) && !defined(__cplusplus)) || \ + JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) + #define JSON_HEDLEY_IS_CONSTANT(expr) __builtin_constant_p(expr) +#endif +#if !defined(__cplusplus) +# if \ + JSON_HEDLEY_HAS_BUILTIN(__builtin_types_compatible_p) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ + JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) || \ + JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,24) +#if defined(__INTPTR_TYPE__) + #define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0)), int*) +#else + #include + #define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((intptr_t) ((expr) * 0)) : (int*) 0)), int*) +#endif +# elif \ + ( \ + defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) && \ + !defined(JSON_HEDLEY_SUNPRO_VERSION) && \ + !defined(JSON_HEDLEY_PGI_VERSION) && \ + !defined(JSON_HEDLEY_IAR_VERSION)) || \ + JSON_HEDLEY_HAS_EXTENSION(c_generic_selections) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(5,3,0) +#if defined(__INTPTR_TYPE__) + #define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0), int*: 1, void*: 0) +#else + #include + #define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((intptr_t) * 0) : (int*) 0), int*: 1, void*: 0) +#endif +# elif \ + defined(JSON_HEDLEY_GCC_VERSION) || \ + defined(JSON_HEDLEY_INTEL_VERSION) || \ + defined(JSON_HEDLEY_TINYC_VERSION) || \ + defined(JSON_HEDLEY_TI_ARMCL_VERSION) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(18,12,0) || \ + defined(JSON_HEDLEY_TI_CL2000_VERSION) || \ + defined(JSON_HEDLEY_TI_CL6X_VERSION) || \ + defined(JSON_HEDLEY_TI_CL7X_VERSION) || \ + defined(JSON_HEDLEY_TI_CLPRU_VERSION) || \ + defined(__clang__) +# define JSON_HEDLEY_IS_CONSTEXPR_(expr) ( \ + sizeof(void) != \ + sizeof(*( \ + 1 ? \ + ((void*) ((expr) * 0L) ) : \ +((struct { char v[sizeof(void) * 2]; } *) 1) \ + ) \ + ) \ + ) +# endif +#endif +#if defined(JSON_HEDLEY_IS_CONSTEXPR_) + #if !defined(JSON_HEDLEY_IS_CONSTANT) + #define JSON_HEDLEY_IS_CONSTANT(expr) JSON_HEDLEY_IS_CONSTEXPR_(expr) + #endif + #define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (JSON_HEDLEY_IS_CONSTEXPR_(expr) ? (expr) : (-1)) +#else + #if !defined(JSON_HEDLEY_IS_CONSTANT) + #define JSON_HEDLEY_IS_CONSTANT(expr) (0) + #endif + #define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (expr) +#endif + +#if defined(JSON_HEDLEY_BEGIN_C_DECLS) + #undef JSON_HEDLEY_BEGIN_C_DECLS +#endif +#if defined(JSON_HEDLEY_END_C_DECLS) + #undef JSON_HEDLEY_END_C_DECLS +#endif +#if defined(JSON_HEDLEY_C_DECL) + #undef JSON_HEDLEY_C_DECL +#endif +#if defined(__cplusplus) + #define JSON_HEDLEY_BEGIN_C_DECLS extern "C" { + #define JSON_HEDLEY_END_C_DECLS } + #define JSON_HEDLEY_C_DECL extern "C" +#else + #define JSON_HEDLEY_BEGIN_C_DECLS + #define JSON_HEDLEY_END_C_DECLS + #define JSON_HEDLEY_C_DECL +#endif + +#if defined(JSON_HEDLEY_STATIC_ASSERT) + #undef JSON_HEDLEY_STATIC_ASSERT +#endif +#if \ + !defined(__cplusplus) && ( \ + (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)) || \ + JSON_HEDLEY_HAS_FEATURE(c_static_assert) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(6,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + defined(_Static_assert) \ + ) +# define JSON_HEDLEY_STATIC_ASSERT(expr, message) _Static_assert(expr, message) +#elif \ + (defined(__cplusplus) && (__cplusplus >= 201103L)) || \ + JSON_HEDLEY_MSVC_VERSION_CHECK(16,0,0) +# define JSON_HEDLEY_STATIC_ASSERT(expr, message) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(static_assert(expr, message)) +#else +# define JSON_HEDLEY_STATIC_ASSERT(expr, message) +#endif + +#if defined(JSON_HEDLEY_NULL) + #undef JSON_HEDLEY_NULL +#endif +#if defined(__cplusplus) + #if __cplusplus >= 201103L + #define JSON_HEDLEY_NULL JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(nullptr) + #elif defined(NULL) + #define JSON_HEDLEY_NULL NULL + #else + #define JSON_HEDLEY_NULL JSON_HEDLEY_STATIC_CAST(void*, 0) + #endif +#elif defined(NULL) + #define JSON_HEDLEY_NULL NULL +#else + #define JSON_HEDLEY_NULL ((void*) 0) +#endif + +#if defined(JSON_HEDLEY_MESSAGE) + #undef JSON_HEDLEY_MESSAGE +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") +# define JSON_HEDLEY_MESSAGE(msg) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ + JSON_HEDLEY_PRAGMA(message msg) \ + JSON_HEDLEY_DIAGNOSTIC_POP +#elif \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,4,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) +# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message msg) +#elif JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) +# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(_CRI message msg) +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) +# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,0,0) +# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) +#else +# define JSON_HEDLEY_MESSAGE(msg) +#endif + +#if defined(JSON_HEDLEY_WARNING) + #undef JSON_HEDLEY_WARNING +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") +# define JSON_HEDLEY_WARNING(msg) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ + JSON_HEDLEY_PRAGMA(clang warning msg) \ + JSON_HEDLEY_DIAGNOSTIC_POP +#elif \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,8,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) +# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(GCC warning msg) +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) +# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(message(msg)) +#else +# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_MESSAGE(msg) +#endif + +#if defined(JSON_HEDLEY_REQUIRE) + #undef JSON_HEDLEY_REQUIRE +#endif +#if defined(JSON_HEDLEY_REQUIRE_MSG) + #undef JSON_HEDLEY_REQUIRE_MSG +#endif +#if JSON_HEDLEY_HAS_ATTRIBUTE(diagnose_if) +# if JSON_HEDLEY_HAS_WARNING("-Wgcc-compat") +# define JSON_HEDLEY_REQUIRE(expr) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ + __attribute__((diagnose_if(!(expr), #expr, "error"))) \ + JSON_HEDLEY_DIAGNOSTIC_POP +# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ + __attribute__((diagnose_if(!(expr), msg, "error"))) \ + JSON_HEDLEY_DIAGNOSTIC_POP +# else +# define JSON_HEDLEY_REQUIRE(expr) __attribute__((diagnose_if(!(expr), #expr, "error"))) +# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) __attribute__((diagnose_if(!(expr), msg, "error"))) +# endif +#else +# define JSON_HEDLEY_REQUIRE(expr) +# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) +#endif + +#if defined(JSON_HEDLEY_FLAGS) + #undef JSON_HEDLEY_FLAGS +#endif +#if JSON_HEDLEY_HAS_ATTRIBUTE(flag_enum) + #define JSON_HEDLEY_FLAGS __attribute__((__flag_enum__)) +#endif + +#if defined(JSON_HEDLEY_FLAGS_CAST) + #undef JSON_HEDLEY_FLAGS_CAST +#endif +#if JSON_HEDLEY_INTEL_VERSION_CHECK(19,0,0) +# define JSON_HEDLEY_FLAGS_CAST(T, expr) (__extension__ ({ \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("warning(disable:188)") \ + ((T) (expr)); \ + JSON_HEDLEY_DIAGNOSTIC_POP \ + })) +#else +# define JSON_HEDLEY_FLAGS_CAST(T, expr) JSON_HEDLEY_STATIC_CAST(T, expr) +#endif + +#if defined(JSON_HEDLEY_EMPTY_BASES) + #undef JSON_HEDLEY_EMPTY_BASES +#endif +#if JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,23918) && !JSON_HEDLEY_MSVC_VERSION_CHECK(20,0,0) + #define JSON_HEDLEY_EMPTY_BASES __declspec(empty_bases) +#else + #define JSON_HEDLEY_EMPTY_BASES +#endif + +/* Remaining macros are deprecated. */ + +#if defined(JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK) + #undef JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK +#endif +#if defined(__clang__) + #define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) (0) +#else + #define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_CLANG_HAS_ATTRIBUTE) + #undef JSON_HEDLEY_CLANG_HAS_ATTRIBUTE +#endif +#define JSON_HEDLEY_CLANG_HAS_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_ATTRIBUTE(attribute) + +#if defined(JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE) + #undef JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE +#endif +#define JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) + +#if defined(JSON_HEDLEY_CLANG_HAS_BUILTIN) + #undef JSON_HEDLEY_CLANG_HAS_BUILTIN +#endif +#define JSON_HEDLEY_CLANG_HAS_BUILTIN(builtin) JSON_HEDLEY_HAS_BUILTIN(builtin) + +#if defined(JSON_HEDLEY_CLANG_HAS_FEATURE) + #undef JSON_HEDLEY_CLANG_HAS_FEATURE +#endif +#define JSON_HEDLEY_CLANG_HAS_FEATURE(feature) JSON_HEDLEY_HAS_FEATURE(feature) + +#if defined(JSON_HEDLEY_CLANG_HAS_EXTENSION) + #undef JSON_HEDLEY_CLANG_HAS_EXTENSION +#endif +#define JSON_HEDLEY_CLANG_HAS_EXTENSION(extension) JSON_HEDLEY_HAS_EXTENSION(extension) + +#if defined(JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE) + #undef JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE +#endif +#define JSON_HEDLEY_CLANG_HAS_DECLSPEC_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) + +#if defined(JSON_HEDLEY_CLANG_HAS_WARNING) + #undef JSON_HEDLEY_CLANG_HAS_WARNING +#endif +#define JSON_HEDLEY_CLANG_HAS_WARNING(warning) JSON_HEDLEY_HAS_WARNING(warning) + +#endif /* !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < X) */ + + +// This file contains all internal macro definitions +// You MUST include macro_unscope.hpp at the end of json.hpp to undef all of them + +// exclude unsupported compilers +#if !defined(JSON_SKIP_UNSUPPORTED_COMPILER_CHECK) + #if defined(__clang__) + #if (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) < 30400 + #error "unsupported Clang version - see https://github.com/nlohmann/json#supported-compilers" + #endif + #elif defined(__GNUC__) && !(defined(__ICC) || defined(__INTEL_COMPILER)) + #if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) < 40800 + #error "unsupported GCC version - see https://github.com/nlohmann/json#supported-compilers" + #endif + #endif +#endif + +// C++ language standard detection +#if (defined(__cplusplus) && __cplusplus >= 202002L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L) + #define JSON_HAS_CPP_20 + #define JSON_HAS_CPP_17 + #define JSON_HAS_CPP_14 +#elif (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464 + #define JSON_HAS_CPP_17 + #define JSON_HAS_CPP_14 +#elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1) + #define JSON_HAS_CPP_14 +#endif + +// disable float-equal warnings on GCC/clang +#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) + #pragma GCC diagnostic push + #pragma GCC diagnostic ignored "-Wfloat-equal" +#endif + +// disable documentation warnings on clang +#if defined(__clang__) + #pragma GCC diagnostic push + #pragma GCC diagnostic ignored "-Wdocumentation" +#endif + +// allow to disable exceptions +#if (defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND)) && !defined(JSON_NOEXCEPTION) + #define JSON_THROW(exception) throw exception + #define JSON_TRY try + #define JSON_CATCH(exception) catch(exception) + #define JSON_INTERNAL_CATCH(exception) catch(exception) +#else + #include + #define JSON_THROW(exception) std::abort() + #define JSON_TRY if(true) + #define JSON_CATCH(exception) if(false) + #define JSON_INTERNAL_CATCH(exception) if(false) +#endif + +// override exception macros +#if defined(JSON_THROW_USER) + #undef JSON_THROW + #define JSON_THROW JSON_THROW_USER +#endif +#if defined(JSON_TRY_USER) + #undef JSON_TRY + #define JSON_TRY JSON_TRY_USER +#endif +#if defined(JSON_CATCH_USER) + #undef JSON_CATCH + #define JSON_CATCH JSON_CATCH_USER + #undef JSON_INTERNAL_CATCH + #define JSON_INTERNAL_CATCH JSON_CATCH_USER +#endif +#if defined(JSON_INTERNAL_CATCH_USER) + #undef JSON_INTERNAL_CATCH + #define JSON_INTERNAL_CATCH JSON_INTERNAL_CATCH_USER +#endif + +// allow to override assert +#if !defined(JSON_ASSERT) + #include // assert + #define JSON_ASSERT(x) assert(x) +#endif + +/*! +@brief macro to briefly define a mapping between an enum and JSON +@def NLOHMANN_JSON_SERIALIZE_ENUM +@since version 3.4.0 +*/ +#define NLOHMANN_JSON_SERIALIZE_ENUM(ENUM_TYPE, ...) \ + template \ + inline void to_json(BasicJsonType& j, const ENUM_TYPE& e) \ + { \ + static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ + static const std::pair m[] = __VA_ARGS__; \ + auto it = std::find_if(std::begin(m), std::end(m), \ + [e](const std::pair& ej_pair) -> bool \ + { \ + return ej_pair.first == e; \ + }); \ + j = ((it != std::end(m)) ? it : std::begin(m))->second; \ + } \ + template \ + inline void from_json(const BasicJsonType& j, ENUM_TYPE& e) \ + { \ + static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ + static const std::pair m[] = __VA_ARGS__; \ + auto it = std::find_if(std::begin(m), std::end(m), \ + [&j](const std::pair& ej_pair) -> bool \ + { \ + return ej_pair.second == j; \ + }); \ + e = ((it != std::end(m)) ? it : std::begin(m))->first; \ + } + +// Ugly macros to avoid uglier copy-paste when specializing basic_json. They +// may be removed in the future once the class is split. + +#define NLOHMANN_BASIC_JSON_TPL_DECLARATION \ + template class ObjectType, \ + template class ArrayType, \ + class StringType, class BooleanType, class NumberIntegerType, \ + class NumberUnsignedType, class NumberFloatType, \ + template class AllocatorType, \ + template class JSONSerializer, \ + class BinaryType> + +#define NLOHMANN_BASIC_JSON_TPL \ + basic_json + +// Macros to simplify conversion from/to types + +#define NLOHMANN_JSON_EXPAND( x ) x +#define NLOHMANN_JSON_GET_MACRO(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, NAME,...) NAME +#define NLOHMANN_JSON_PASTE(...) NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_GET_MACRO(__VA_ARGS__, \ + NLOHMANN_JSON_PASTE64, \ + NLOHMANN_JSON_PASTE63, \ + NLOHMANN_JSON_PASTE62, \ + NLOHMANN_JSON_PASTE61, \ + NLOHMANN_JSON_PASTE60, \ + NLOHMANN_JSON_PASTE59, \ + NLOHMANN_JSON_PASTE58, \ + NLOHMANN_JSON_PASTE57, \ + NLOHMANN_JSON_PASTE56, \ + NLOHMANN_JSON_PASTE55, \ + NLOHMANN_JSON_PASTE54, \ + NLOHMANN_JSON_PASTE53, \ + NLOHMANN_JSON_PASTE52, \ + NLOHMANN_JSON_PASTE51, \ + NLOHMANN_JSON_PASTE50, \ + NLOHMANN_JSON_PASTE49, \ + NLOHMANN_JSON_PASTE48, \ + NLOHMANN_JSON_PASTE47, \ + NLOHMANN_JSON_PASTE46, \ + NLOHMANN_JSON_PASTE45, \ + NLOHMANN_JSON_PASTE44, \ + NLOHMANN_JSON_PASTE43, \ + NLOHMANN_JSON_PASTE42, \ + NLOHMANN_JSON_PASTE41, \ + NLOHMANN_JSON_PASTE40, \ + NLOHMANN_JSON_PASTE39, \ + NLOHMANN_JSON_PASTE38, \ + NLOHMANN_JSON_PASTE37, \ + NLOHMANN_JSON_PASTE36, \ + NLOHMANN_JSON_PASTE35, \ + NLOHMANN_JSON_PASTE34, \ + NLOHMANN_JSON_PASTE33, \ + NLOHMANN_JSON_PASTE32, \ + NLOHMANN_JSON_PASTE31, \ + NLOHMANN_JSON_PASTE30, \ + NLOHMANN_JSON_PASTE29, \ + NLOHMANN_JSON_PASTE28, \ + NLOHMANN_JSON_PASTE27, \ + NLOHMANN_JSON_PASTE26, \ + NLOHMANN_JSON_PASTE25, \ + NLOHMANN_JSON_PASTE24, \ + NLOHMANN_JSON_PASTE23, \ + NLOHMANN_JSON_PASTE22, \ + NLOHMANN_JSON_PASTE21, \ + NLOHMANN_JSON_PASTE20, \ + NLOHMANN_JSON_PASTE19, \ + NLOHMANN_JSON_PASTE18, \ + NLOHMANN_JSON_PASTE17, \ + NLOHMANN_JSON_PASTE16, \ + NLOHMANN_JSON_PASTE15, \ + NLOHMANN_JSON_PASTE14, \ + NLOHMANN_JSON_PASTE13, \ + NLOHMANN_JSON_PASTE12, \ + NLOHMANN_JSON_PASTE11, \ + NLOHMANN_JSON_PASTE10, \ + NLOHMANN_JSON_PASTE9, \ + NLOHMANN_JSON_PASTE8, \ + NLOHMANN_JSON_PASTE7, \ + NLOHMANN_JSON_PASTE6, \ + NLOHMANN_JSON_PASTE5, \ + NLOHMANN_JSON_PASTE4, \ + NLOHMANN_JSON_PASTE3, \ + NLOHMANN_JSON_PASTE2, \ + NLOHMANN_JSON_PASTE1)(__VA_ARGS__)) +#define NLOHMANN_JSON_PASTE2(func, v1) func(v1) +#define NLOHMANN_JSON_PASTE3(func, v1, v2) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE2(func, v2) +#define NLOHMANN_JSON_PASTE4(func, v1, v2, v3) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE3(func, v2, v3) +#define NLOHMANN_JSON_PASTE5(func, v1, v2, v3, v4) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE4(func, v2, v3, v4) +#define NLOHMANN_JSON_PASTE6(func, v1, v2, v3, v4, v5) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE5(func, v2, v3, v4, v5) +#define NLOHMANN_JSON_PASTE7(func, v1, v2, v3, v4, v5, v6) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE6(func, v2, v3, v4, v5, v6) +#define NLOHMANN_JSON_PASTE8(func, v1, v2, v3, v4, v5, v6, v7) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE7(func, v2, v3, v4, v5, v6, v7) +#define NLOHMANN_JSON_PASTE9(func, v1, v2, v3, v4, v5, v6, v7, v8) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE8(func, v2, v3, v4, v5, v6, v7, v8) +#define NLOHMANN_JSON_PASTE10(func, v1, v2, v3, v4, v5, v6, v7, v8, v9) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE9(func, v2, v3, v4, v5, v6, v7, v8, v9) +#define NLOHMANN_JSON_PASTE11(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE10(func, v2, v3, v4, v5, v6, v7, v8, v9, v10) +#define NLOHMANN_JSON_PASTE12(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE11(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) +#define NLOHMANN_JSON_PASTE13(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE12(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) +#define NLOHMANN_JSON_PASTE14(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE13(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) +#define NLOHMANN_JSON_PASTE15(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE14(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) +#define NLOHMANN_JSON_PASTE16(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE15(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) +#define NLOHMANN_JSON_PASTE17(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE16(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) +#define NLOHMANN_JSON_PASTE18(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE17(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) +#define NLOHMANN_JSON_PASTE19(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE18(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) +#define NLOHMANN_JSON_PASTE20(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE19(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) +#define NLOHMANN_JSON_PASTE21(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE20(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) +#define NLOHMANN_JSON_PASTE22(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE21(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) +#define NLOHMANN_JSON_PASTE23(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE22(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) +#define NLOHMANN_JSON_PASTE24(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE23(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) +#define NLOHMANN_JSON_PASTE25(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE24(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) +#define NLOHMANN_JSON_PASTE26(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE25(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) +#define NLOHMANN_JSON_PASTE27(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE26(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) +#define NLOHMANN_JSON_PASTE28(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE27(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) +#define NLOHMANN_JSON_PASTE29(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE28(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) +#define NLOHMANN_JSON_PASTE30(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE29(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) +#define NLOHMANN_JSON_PASTE31(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE30(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) +#define NLOHMANN_JSON_PASTE32(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE31(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) +#define NLOHMANN_JSON_PASTE33(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE32(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) +#define NLOHMANN_JSON_PASTE34(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE33(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) +#define NLOHMANN_JSON_PASTE35(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE34(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) +#define NLOHMANN_JSON_PASTE36(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE35(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) +#define NLOHMANN_JSON_PASTE37(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE36(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) +#define NLOHMANN_JSON_PASTE38(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE37(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) +#define NLOHMANN_JSON_PASTE39(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE38(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) +#define NLOHMANN_JSON_PASTE40(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE39(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) +#define NLOHMANN_JSON_PASTE41(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE40(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) +#define NLOHMANN_JSON_PASTE42(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE41(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) +#define NLOHMANN_JSON_PASTE43(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE42(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) +#define NLOHMANN_JSON_PASTE44(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE43(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) +#define NLOHMANN_JSON_PASTE45(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE44(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) +#define NLOHMANN_JSON_PASTE46(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE45(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) +#define NLOHMANN_JSON_PASTE47(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE46(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) +#define NLOHMANN_JSON_PASTE48(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE47(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) +#define NLOHMANN_JSON_PASTE49(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE48(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) +#define NLOHMANN_JSON_PASTE50(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE49(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) +#define NLOHMANN_JSON_PASTE51(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE50(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) +#define NLOHMANN_JSON_PASTE52(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE51(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) +#define NLOHMANN_JSON_PASTE53(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE52(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) +#define NLOHMANN_JSON_PASTE54(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE53(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) +#define NLOHMANN_JSON_PASTE55(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE54(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) +#define NLOHMANN_JSON_PASTE56(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE55(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) +#define NLOHMANN_JSON_PASTE57(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE56(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) +#define NLOHMANN_JSON_PASTE58(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE57(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) +#define NLOHMANN_JSON_PASTE59(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE58(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) +#define NLOHMANN_JSON_PASTE60(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE59(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) +#define NLOHMANN_JSON_PASTE61(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE60(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) +#define NLOHMANN_JSON_PASTE62(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE61(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) +#define NLOHMANN_JSON_PASTE63(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE62(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) +#define NLOHMANN_JSON_PASTE64(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE63(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) + +#define NLOHMANN_JSON_TO(v1) nlohmann_json_j[#v1] = nlohmann_json_t.v1; +#define NLOHMANN_JSON_FROM(v1) nlohmann_json_j.at(#v1).get_to(nlohmann_json_t.v1); + +/*! +@brief macro +@def NLOHMANN_DEFINE_TYPE_INTRUSIVE +@since version 3.9.0 +*/ +#define NLOHMANN_DEFINE_TYPE_INTRUSIVE(Type, ...) \ + friend void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + friend void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } + +/*! +@brief macro +@def NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE +@since version 3.9.0 +*/ +#define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Type, ...) \ + inline void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + inline void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } + +#ifndef JSON_USE_IMPLICIT_CONVERSIONS + #define JSON_USE_IMPLICIT_CONVERSIONS 1 +#endif + +#if JSON_USE_IMPLICIT_CONVERSIONS + #define JSON_EXPLICIT +#else + #define JSON_EXPLICIT explicit +#endif + + +namespace nlohmann +{ +namespace detail +{ +//////////////// +// exceptions // +//////////////// + +/*! +@brief general exception of the @ref basic_json class + +This class is an extension of `std::exception` objects with a member @a id for +exception ids. It is used as the base class for all exceptions thrown by the +@ref basic_json class. This class can hence be used as "wildcard" to catch +exceptions. + +Subclasses: +- @ref parse_error for exceptions indicating a parse error +- @ref invalid_iterator for exceptions indicating errors with iterators +- @ref type_error for exceptions indicating executing a member function with + a wrong type +- @ref out_of_range for exceptions indicating access out of the defined range +- @ref other_error for exceptions indicating other library errors + +@internal +@note To have nothrow-copy-constructible exceptions, we internally use + `std::runtime_error` which can cope with arbitrary-length error messages. + Intermediate strings are built with static functions and then passed to + the actual constructor. +@endinternal + +@liveexample{The following code shows how arbitrary library exceptions can be +caught.,exception} + +@since version 3.0.0 +*/ +class exception : public std::exception +{ + public: + /// returns the explanatory string + JSON_HEDLEY_RETURNS_NON_NULL + const char* what() const noexcept override + { + return m.what(); + } + + /// the id of the exception + const int id; + + protected: + JSON_HEDLEY_NON_NULL(3) + exception(int id_, const char* what_arg) : id(id_), m(what_arg) {} + + static std::string name(const std::string& ename, int id_) + { + return "[json.exception." + ename + "." + std::to_string(id_) + "] "; + } + + private: + /// an exception object as storage for error messages + std::runtime_error m; +}; + +/*! +@brief exception indicating a parse error + +This exception is thrown by the library when a parse error occurs. Parse errors +can occur during the deserialization of JSON text, CBOR, MessagePack, as well +as when using JSON Patch. + +Member @a byte holds the byte index of the last read character in the input +file. + +Exceptions have ids 1xx. + +name / id | example message | description +------------------------------ | --------------- | ------------------------- +json.exception.parse_error.101 | parse error at 2: unexpected end of input; expected string literal | This error indicates a syntax error while deserializing a JSON text. The error message describes that an unexpected token (character) was encountered, and the member @a byte indicates the error position. +json.exception.parse_error.102 | parse error at 14: missing or wrong low surrogate | JSON uses the `\uxxxx` format to describe Unicode characters. Code points above above 0xFFFF are split into two `\uxxxx` entries ("surrogate pairs"). This error indicates that the surrogate pair is incomplete or contains an invalid code point. +json.exception.parse_error.103 | parse error: code points above 0x10FFFF are invalid | Unicode supports code points up to 0x10FFFF. Code points above 0x10FFFF are invalid. +json.exception.parse_error.104 | parse error: JSON patch must be an array of objects | [RFC 6902](https://tools.ietf.org/html/rfc6902) requires a JSON Patch document to be a JSON document that represents an array of objects. +json.exception.parse_error.105 | parse error: operation must have string member 'op' | An operation of a JSON Patch document must contain exactly one "op" member, whose value indicates the operation to perform. Its value must be one of "add", "remove", "replace", "move", "copy", or "test"; other values are errors. +json.exception.parse_error.106 | parse error: array index '01' must not begin with '0' | An array index in a JSON Pointer ([RFC 6901](https://tools.ietf.org/html/rfc6901)) may be `0` or any number without a leading `0`. +json.exception.parse_error.107 | parse error: JSON pointer must be empty or begin with '/' - was: 'foo' | A JSON Pointer must be a Unicode string containing a sequence of zero or more reference tokens, each prefixed by a `/` character. +json.exception.parse_error.108 | parse error: escape character '~' must be followed with '0' or '1' | In a JSON Pointer, only `~0` and `~1` are valid escape sequences. +json.exception.parse_error.109 | parse error: array index 'one' is not a number | A JSON Pointer array index must be a number. +json.exception.parse_error.110 | parse error at 1: cannot read 2 bytes from vector | When parsing CBOR or MessagePack, the byte vector ends before the complete value has been read. +json.exception.parse_error.112 | parse error at 1: error reading CBOR; last byte: 0xF8 | Not all types of CBOR or MessagePack are supported. This exception occurs if an unsupported byte was read. +json.exception.parse_error.113 | parse error at 2: expected a CBOR string; last byte: 0x98 | While parsing a map key, a value that is not a string has been read. +json.exception.parse_error.114 | parse error: Unsupported BSON record type 0x0F | The parsing of the corresponding BSON record type is not implemented (yet). +json.exception.parse_error.115 | parse error at byte 5: syntax error while parsing UBJSON high-precision number: invalid number text: 1A | A UBJSON high-precision number could not be parsed. + +@note For an input with n bytes, 1 is the index of the first character and n+1 + is the index of the terminating null byte or the end of file. This also + holds true when reading a byte vector (CBOR or MessagePack). + +@liveexample{The following code shows how a `parse_error` exception can be +caught.,parse_error} + +@sa - @ref exception for the base class of the library exceptions +@sa - @ref invalid_iterator for exceptions indicating errors with iterators +@sa - @ref type_error for exceptions indicating executing a member function with + a wrong type +@sa - @ref out_of_range for exceptions indicating access out of the defined range +@sa - @ref other_error for exceptions indicating other library errors + +@since version 3.0.0 +*/ +class parse_error : public exception +{ + public: + /*! + @brief create a parse error exception + @param[in] id_ the id of the exception + @param[in] pos the position where the error occurred (or with + chars_read_total=0 if the position cannot be + determined) + @param[in] what_arg the explanatory string + @return parse_error object + */ + static parse_error create(int id_, const position_t& pos, const std::string& what_arg) + { + std::string w = exception::name("parse_error", id_) + "parse error" + + position_string(pos) + ": " + what_arg; + return parse_error(id_, pos.chars_read_total, w.c_str()); + } + + static parse_error create(int id_, std::size_t byte_, const std::string& what_arg) + { + std::string w = exception::name("parse_error", id_) + "parse error" + + (byte_ != 0 ? (" at byte " + std::to_string(byte_)) : "") + + ": " + what_arg; + return parse_error(id_, byte_, w.c_str()); + } + + /*! + @brief byte index of the parse error + + The byte index of the last read character in the input file. + + @note For an input with n bytes, 1 is the index of the first character and + n+1 is the index of the terminating null byte or the end of file. + This also holds true when reading a byte vector (CBOR or MessagePack). + */ + const std::size_t byte; + + private: + parse_error(int id_, std::size_t byte_, const char* what_arg) + : exception(id_, what_arg), byte(byte_) {} + + static std::string position_string(const position_t& pos) + { + return " at line " + std::to_string(pos.lines_read + 1) + + ", column " + std::to_string(pos.chars_read_current_line); + } +}; + +/*! +@brief exception indicating errors with iterators + +This exception is thrown if iterators passed to a library function do not match +the expected semantics. + +Exceptions have ids 2xx. + +name / id | example message | description +----------------------------------- | --------------- | ------------------------- +json.exception.invalid_iterator.201 | iterators are not compatible | The iterators passed to constructor @ref basic_json(InputIT first, InputIT last) are not compatible, meaning they do not belong to the same container. Therefore, the range (@a first, @a last) is invalid. +json.exception.invalid_iterator.202 | iterator does not fit current value | In an erase or insert function, the passed iterator @a pos does not belong to the JSON value for which the function was called. It hence does not define a valid position for the deletion/insertion. +json.exception.invalid_iterator.203 | iterators do not fit current value | Either iterator passed to function @ref erase(IteratorType first, IteratorType last) does not belong to the JSON value from which values shall be erased. It hence does not define a valid range to delete values from. +json.exception.invalid_iterator.204 | iterators out of range | When an iterator range for a primitive type (number, boolean, or string) is passed to a constructor or an erase function, this range has to be exactly (@ref begin(), @ref end()), because this is the only way the single stored value is expressed. All other ranges are invalid. +json.exception.invalid_iterator.205 | iterator out of range | When an iterator for a primitive type (number, boolean, or string) is passed to an erase function, the iterator has to be the @ref begin() iterator, because it is the only way to address the stored value. All other iterators are invalid. +json.exception.invalid_iterator.206 | cannot construct with iterators from null | The iterators passed to constructor @ref basic_json(InputIT first, InputIT last) belong to a JSON null value and hence to not define a valid range. +json.exception.invalid_iterator.207 | cannot use key() for non-object iterators | The key() member function can only be used on iterators belonging to a JSON object, because other types do not have a concept of a key. +json.exception.invalid_iterator.208 | cannot use operator[] for object iterators | The operator[] to specify a concrete offset cannot be used on iterators belonging to a JSON object, because JSON objects are unordered. +json.exception.invalid_iterator.209 | cannot use offsets with object iterators | The offset operators (+, -, +=, -=) cannot be used on iterators belonging to a JSON object, because JSON objects are unordered. +json.exception.invalid_iterator.210 | iterators do not fit | The iterator range passed to the insert function are not compatible, meaning they do not belong to the same container. Therefore, the range (@a first, @a last) is invalid. +json.exception.invalid_iterator.211 | passed iterators may not belong to container | The iterator range passed to the insert function must not be a subrange of the container to insert to. +json.exception.invalid_iterator.212 | cannot compare iterators of different containers | When two iterators are compared, they must belong to the same container. +json.exception.invalid_iterator.213 | cannot compare order of object iterators | The order of object iterators cannot be compared, because JSON objects are unordered. +json.exception.invalid_iterator.214 | cannot get value | Cannot get value for iterator: Either the iterator belongs to a null value or it is an iterator to a primitive type (number, boolean, or string), but the iterator is different to @ref begin(). + +@liveexample{The following code shows how an `invalid_iterator` exception can be +caught.,invalid_iterator} + +@sa - @ref exception for the base class of the library exceptions +@sa - @ref parse_error for exceptions indicating a parse error +@sa - @ref type_error for exceptions indicating executing a member function with + a wrong type +@sa - @ref out_of_range for exceptions indicating access out of the defined range +@sa - @ref other_error for exceptions indicating other library errors + +@since version 3.0.0 +*/ +class invalid_iterator : public exception +{ + public: + static invalid_iterator create(int id_, const std::string& what_arg) + { + std::string w = exception::name("invalid_iterator", id_) + what_arg; + return invalid_iterator(id_, w.c_str()); + } + + private: + JSON_HEDLEY_NON_NULL(3) + invalid_iterator(int id_, const char* what_arg) + : exception(id_, what_arg) {} +}; + +/*! +@brief exception indicating executing a member function with a wrong type + +This exception is thrown in case of a type error; that is, a library function is +executed on a JSON value whose type does not match the expected semantics. + +Exceptions have ids 3xx. + +name / id | example message | description +----------------------------- | --------------- | ------------------------- +json.exception.type_error.301 | cannot create object from initializer list | To create an object from an initializer list, the initializer list must consist only of a list of pairs whose first element is a string. When this constraint is violated, an array is created instead. +json.exception.type_error.302 | type must be object, but is array | During implicit or explicit value conversion, the JSON type must be compatible to the target type. For instance, a JSON string can only be converted into string types, but not into numbers or boolean types. +json.exception.type_error.303 | incompatible ReferenceType for get_ref, actual type is object | To retrieve a reference to a value stored in a @ref basic_json object with @ref get_ref, the type of the reference must match the value type. For instance, for a JSON array, the @a ReferenceType must be @ref array_t &. +json.exception.type_error.304 | cannot use at() with string | The @ref at() member functions can only be executed for certain JSON types. +json.exception.type_error.305 | cannot use operator[] with string | The @ref operator[] member functions can only be executed for certain JSON types. +json.exception.type_error.306 | cannot use value() with string | The @ref value() member functions can only be executed for certain JSON types. +json.exception.type_error.307 | cannot use erase() with string | The @ref erase() member functions can only be executed for certain JSON types. +json.exception.type_error.308 | cannot use push_back() with string | The @ref push_back() and @ref operator+= member functions can only be executed for certain JSON types. +json.exception.type_error.309 | cannot use insert() with | The @ref insert() member functions can only be executed for certain JSON types. +json.exception.type_error.310 | cannot use swap() with number | The @ref swap() member functions can only be executed for certain JSON types. +json.exception.type_error.311 | cannot use emplace_back() with string | The @ref emplace_back() member function can only be executed for certain JSON types. +json.exception.type_error.312 | cannot use update() with string | The @ref update() member functions can only be executed for certain JSON types. +json.exception.type_error.313 | invalid value to unflatten | The @ref unflatten function converts an object whose keys are JSON Pointers back into an arbitrary nested JSON value. The JSON Pointers must not overlap, because then the resulting value would not be well defined. +json.exception.type_error.314 | only objects can be unflattened | The @ref unflatten function only works for an object whose keys are JSON Pointers. +json.exception.type_error.315 | values in object must be primitive | The @ref unflatten function only works for an object whose keys are JSON Pointers and whose values are primitive. +json.exception.type_error.316 | invalid UTF-8 byte at index 10: 0x7E | The @ref dump function only works with UTF-8 encoded strings; that is, if you assign a `std::string` to a JSON value, make sure it is UTF-8 encoded. | +json.exception.type_error.317 | JSON value cannot be serialized to requested format | The dynamic type of the object cannot be represented in the requested serialization format (e.g. a raw `true` or `null` JSON object cannot be serialized to BSON) | + +@liveexample{The following code shows how a `type_error` exception can be +caught.,type_error} + +@sa - @ref exception for the base class of the library exceptions +@sa - @ref parse_error for exceptions indicating a parse error +@sa - @ref invalid_iterator for exceptions indicating errors with iterators +@sa - @ref out_of_range for exceptions indicating access out of the defined range +@sa - @ref other_error for exceptions indicating other library errors + +@since version 3.0.0 +*/ +class type_error : public exception +{ + public: + static type_error create(int id_, const std::string& what_arg) + { + std::string w = exception::name("type_error", id_) + what_arg; + return type_error(id_, w.c_str()); + } + + private: + JSON_HEDLEY_NON_NULL(3) + type_error(int id_, const char* what_arg) : exception(id_, what_arg) {} +}; + +/*! +@brief exception indicating access out of the defined range + +This exception is thrown in case a library function is called on an input +parameter that exceeds the expected range, for instance in case of array +indices or nonexisting object keys. + +Exceptions have ids 4xx. + +name / id | example message | description +------------------------------- | --------------- | ------------------------- +json.exception.out_of_range.401 | array index 3 is out of range | The provided array index @a i is larger than @a size-1. +json.exception.out_of_range.402 | array index '-' (3) is out of range | The special array index `-` in a JSON Pointer never describes a valid element of the array, but the index past the end. That is, it can only be used to add elements at this position, but not to read it. +json.exception.out_of_range.403 | key 'foo' not found | The provided key was not found in the JSON object. +json.exception.out_of_range.404 | unresolved reference token 'foo' | A reference token in a JSON Pointer could not be resolved. +json.exception.out_of_range.405 | JSON pointer has no parent | The JSON Patch operations 'remove' and 'add' can not be applied to the root element of the JSON value. +json.exception.out_of_range.406 | number overflow parsing '10E1000' | A parsed number could not be stored as without changing it to NaN or INF. +json.exception.out_of_range.407 | number overflow serializing '9223372036854775808' | UBJSON and BSON only support integer numbers up to 9223372036854775807. (until version 3.8.0) | +json.exception.out_of_range.408 | excessive array size: 8658170730974374167 | The size (following `#`) of an UBJSON array or object exceeds the maximal capacity. | +json.exception.out_of_range.409 | BSON key cannot contain code point U+0000 (at byte 2) | Key identifiers to be serialized to BSON cannot contain code point U+0000, since the key is stored as zero-terminated c-string | + +@liveexample{The following code shows how an `out_of_range` exception can be +caught.,out_of_range} + +@sa - @ref exception for the base class of the library exceptions +@sa - @ref parse_error for exceptions indicating a parse error +@sa - @ref invalid_iterator for exceptions indicating errors with iterators +@sa - @ref type_error for exceptions indicating executing a member function with + a wrong type +@sa - @ref other_error for exceptions indicating other library errors + +@since version 3.0.0 +*/ +class out_of_range : public exception +{ + public: + static out_of_range create(int id_, const std::string& what_arg) + { + std::string w = exception::name("out_of_range", id_) + what_arg; + return out_of_range(id_, w.c_str()); + } + + private: + JSON_HEDLEY_NON_NULL(3) + out_of_range(int id_, const char* what_arg) : exception(id_, what_arg) {} +}; + +/*! +@brief exception indicating other library errors + +This exception is thrown in case of errors that cannot be classified with the +other exception types. + +Exceptions have ids 5xx. + +name / id | example message | description +------------------------------ | --------------- | ------------------------- +json.exception.other_error.501 | unsuccessful: {"op":"test","path":"/baz", "value":"bar"} | A JSON Patch operation 'test' failed. The unsuccessful operation is also printed. + +@sa - @ref exception for the base class of the library exceptions +@sa - @ref parse_error for exceptions indicating a parse error +@sa - @ref invalid_iterator for exceptions indicating errors with iterators +@sa - @ref type_error for exceptions indicating executing a member function with + a wrong type +@sa - @ref out_of_range for exceptions indicating access out of the defined range + +@liveexample{The following code shows how an `other_error` exception can be +caught.,other_error} + +@since version 3.0.0 +*/ +class other_error : public exception +{ + public: + static other_error create(int id_, const std::string& what_arg) + { + std::string w = exception::name("other_error", id_) + what_arg; + return other_error(id_, w.c_str()); + } + + private: + JSON_HEDLEY_NON_NULL(3) + other_error(int id_, const char* what_arg) : exception(id_, what_arg) {} +}; +} // namespace detail +} // namespace nlohmann + +// #include + +// #include + + +#include // size_t +#include // conditional, enable_if, false_type, integral_constant, is_constructible, is_integral, is_same, remove_cv, remove_reference, true_type + +namespace nlohmann +{ +namespace detail +{ +// alias templates to reduce boilerplate +template +using enable_if_t = typename std::enable_if::type; + +template +using uncvref_t = typename std::remove_cv::type>::type; + +// implementation of C++14 index_sequence and affiliates +// source: https://stackoverflow.com/a/32223343 +template +struct index_sequence +{ + using type = index_sequence; + using value_type = std::size_t; + static constexpr std::size_t size() noexcept + { + return sizeof...(Ints); + } +}; + +template +struct merge_and_renumber; + +template +struct merge_and_renumber, index_sequence> + : index_sequence < I1..., (sizeof...(I1) + I2)... > {}; + +template +struct make_index_sequence + : merge_and_renumber < typename make_index_sequence < N / 2 >::type, + typename make_index_sequence < N - N / 2 >::type > {}; + +template<> struct make_index_sequence<0> : index_sequence<> {}; +template<> struct make_index_sequence<1> : index_sequence<0> {}; + +template +using index_sequence_for = make_index_sequence; + +// dispatch utility (taken from ranges-v3) +template struct priority_tag : priority_tag < N - 1 > {}; +template<> struct priority_tag<0> {}; + +// taken from ranges-v3 +template +struct static_const +{ + static constexpr T value{}; +}; + +template +constexpr T static_const::value; +} // namespace detail +} // namespace nlohmann + +// #include + + +#include // numeric_limits +#include // false_type, is_constructible, is_integral, is_same, true_type +#include // declval + +// #include + + +#include // random_access_iterator_tag + +// #include + + +namespace nlohmann +{ +namespace detail +{ +template struct make_void +{ + using type = void; +}; +template using void_t = typename make_void::type; +} // namespace detail +} // namespace nlohmann + +// #include + + +namespace nlohmann +{ +namespace detail +{ +template +struct iterator_types {}; + +template +struct iterator_types < + It, + void_t> +{ + using difference_type = typename It::difference_type; + using value_type = typename It::value_type; + using pointer = typename It::pointer; + using reference = typename It::reference; + using iterator_category = typename It::iterator_category; +}; + +// This is required as some compilers implement std::iterator_traits in a way that +// doesn't work with SFINAE. See https://github.com/nlohmann/json/issues/1341. +template +struct iterator_traits +{ +}; + +template +struct iterator_traits < T, enable_if_t < !std::is_pointer::value >> + : iterator_types +{ +}; + +template +struct iterator_traits::value>> +{ + using iterator_category = std::random_access_iterator_tag; + using value_type = T; + using difference_type = ptrdiff_t; + using pointer = T*; + using reference = T&; +}; +} // namespace detail +} // namespace nlohmann + +// #include + +// #include + +// #include + + +#include + +// #include + + +// https://en.cppreference.com/w/cpp/experimental/is_detected +namespace nlohmann +{ +namespace detail +{ +struct nonesuch +{ + nonesuch() = delete; + ~nonesuch() = delete; + nonesuch(nonesuch const&) = delete; + nonesuch(nonesuch const&&) = delete; + void operator=(nonesuch const&) = delete; + void operator=(nonesuch&&) = delete; +}; + +template class Op, + class... Args> +struct detector +{ + using value_t = std::false_type; + using type = Default; +}; + +template class Op, class... Args> +struct detector>, Op, Args...> +{ + using value_t = std::true_type; + using type = Op; +}; + +template class Op, class... Args> +using is_detected = typename detector::value_t; + +template class Op, class... Args> +using detected_t = typename detector::type; + +template class Op, class... Args> +using detected_or = detector; + +template class Op, class... Args> +using detected_or_t = typename detected_or::type; + +template class Op, class... Args> +using is_detected_exact = std::is_same>; + +template class Op, class... Args> +using is_detected_convertible = + std::is_convertible, To>; +} // namespace detail +} // namespace nlohmann + +// #include +#ifndef INCLUDE_NLOHMANN_JSON_FWD_HPP_ +#define INCLUDE_NLOHMANN_JSON_FWD_HPP_ + +#include // int64_t, uint64_t +#include // map +#include // allocator +#include // string +#include // vector + +/*! +@brief namespace for Niels Lohmann +@see https://github.com/nlohmann +@since version 1.0.0 +*/ +namespace nlohmann +{ +/*! +@brief default JSONSerializer template argument + +This serializer ignores the template arguments and uses ADL +([argument-dependent lookup](https://en.cppreference.com/w/cpp/language/adl)) +for serialization. +*/ +template +struct adl_serializer; + +template class ObjectType = + std::map, + template class ArrayType = std::vector, + class StringType = std::string, class BooleanType = bool, + class NumberIntegerType = std::int64_t, + class NumberUnsignedType = std::uint64_t, + class NumberFloatType = double, + template class AllocatorType = std::allocator, + template class JSONSerializer = + adl_serializer, + class BinaryType = std::vector> +class basic_json; + +/*! +@brief JSON Pointer + +A JSON pointer defines a string syntax for identifying a specific value +within a JSON document. It can be used with functions `at` and +`operator[]`. Furthermore, JSON pointers are the base for JSON patches. + +@sa [RFC 6901](https://tools.ietf.org/html/rfc6901) + +@since version 2.0.0 +*/ +template +class json_pointer; + +/*! +@brief default JSON class + +This type is the default specialization of the @ref basic_json class which +uses the standard template types. + +@since version 1.0.0 +*/ +using json = basic_json<>; + +template +struct ordered_map; + +/*! +@brief ordered JSON class + +This type preserves the insertion order of object keys. + +@since version 3.9.0 +*/ +using ordered_json = basic_json; + +} // namespace nlohmann + +#endif // INCLUDE_NLOHMANN_JSON_FWD_HPP_ + + +namespace nlohmann +{ +/*! +@brief detail namespace with internal helper functions + +This namespace collects functions that should not be exposed, +implementations of some @ref basic_json methods, and meta-programming helpers. + +@since version 2.1.0 +*/ +namespace detail +{ +///////////// +// helpers // +///////////// + +// Note to maintainers: +// +// Every trait in this file expects a non CV-qualified type. +// The only exceptions are in the 'aliases for detected' section +// (i.e. those of the form: decltype(T::member_function(std::declval()))) +// +// In this case, T has to be properly CV-qualified to constraint the function arguments +// (e.g. to_json(BasicJsonType&, const T&)) + +template struct is_basic_json : std::false_type {}; + +NLOHMANN_BASIC_JSON_TPL_DECLARATION +struct is_basic_json : std::true_type {}; + +////////////////////// +// json_ref helpers // +////////////////////// + +template +class json_ref; + +template +struct is_json_ref : std::false_type {}; + +template +struct is_json_ref> : std::true_type {}; + +////////////////////////// +// aliases for detected // +////////////////////////// + +template +using mapped_type_t = typename T::mapped_type; + +template +using key_type_t = typename T::key_type; + +template +using value_type_t = typename T::value_type; + +template +using difference_type_t = typename T::difference_type; + +template +using pointer_t = typename T::pointer; + +template +using reference_t = typename T::reference; + +template +using iterator_category_t = typename T::iterator_category; + +template +using iterator_t = typename T::iterator; + +template +using to_json_function = decltype(T::to_json(std::declval()...)); + +template +using from_json_function = decltype(T::from_json(std::declval()...)); + +template +using get_template_function = decltype(std::declval().template get()); + +// trait checking if JSONSerializer::from_json(json const&, udt&) exists +template +struct has_from_json : std::false_type {}; + +// trait checking if j.get is valid +// use this trait instead of std::is_constructible or std::is_convertible, +// both rely on, or make use of implicit conversions, and thus fail when T +// has several constructors/operator= (see https://github.com/nlohmann/json/issues/958) +template +struct is_getable +{ + static constexpr bool value = is_detected::value; +}; + +template +struct has_from_json < BasicJsonType, T, + enable_if_t < !is_basic_json::value >> +{ + using serializer = typename BasicJsonType::template json_serializer; + + static constexpr bool value = + is_detected_exact::value; +}; + +// This trait checks if JSONSerializer::from_json(json const&) exists +// this overload is used for non-default-constructible user-defined-types +template +struct has_non_default_from_json : std::false_type {}; + +template +struct has_non_default_from_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> +{ + using serializer = typename BasicJsonType::template json_serializer; + + static constexpr bool value = + is_detected_exact::value; +}; + +// This trait checks if BasicJsonType::json_serializer::to_json exists +// Do not evaluate the trait when T is a basic_json type, to avoid template instantiation infinite recursion. +template +struct has_to_json : std::false_type {}; + +template +struct has_to_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> +{ + using serializer = typename BasicJsonType::template json_serializer; + + static constexpr bool value = + is_detected_exact::value; +}; + + +/////////////////// +// is_ functions // +/////////////////// + +template +struct is_iterator_traits : std::false_type {}; + +template +struct is_iterator_traits> +{ + private: + using traits = iterator_traits; + + public: + static constexpr auto value = + is_detected::value && + is_detected::value && + is_detected::value && + is_detected::value && + is_detected::value; +}; + +// source: https://stackoverflow.com/a/37193089/4116453 + +template +struct is_complete_type : std::false_type {}; + +template +struct is_complete_type : std::true_type {}; + +template +struct is_compatible_object_type_impl : std::false_type {}; + +template +struct is_compatible_object_type_impl < + BasicJsonType, CompatibleObjectType, + enable_if_t < is_detected::value&& + is_detected::value >> +{ + + using object_t = typename BasicJsonType::object_t; + + // macOS's is_constructible does not play well with nonesuch... + static constexpr bool value = + std::is_constructible::value && + std::is_constructible::value; +}; + +template +struct is_compatible_object_type + : is_compatible_object_type_impl {}; + +template +struct is_constructible_object_type_impl : std::false_type {}; + +template +struct is_constructible_object_type_impl < + BasicJsonType, ConstructibleObjectType, + enable_if_t < is_detected::value&& + is_detected::value >> +{ + using object_t = typename BasicJsonType::object_t; + + static constexpr bool value = + (std::is_default_constructible::value && + (std::is_move_assignable::value || + std::is_copy_assignable::value) && + (std::is_constructible::value && + std::is_same < + typename object_t::mapped_type, + typename ConstructibleObjectType::mapped_type >::value)) || + (has_from_json::value || + has_non_default_from_json < + BasicJsonType, + typename ConstructibleObjectType::mapped_type >::value); +}; + +template +struct is_constructible_object_type + : is_constructible_object_type_impl {}; + +template +struct is_compatible_string_type_impl : std::false_type {}; + +template +struct is_compatible_string_type_impl < + BasicJsonType, CompatibleStringType, + enable_if_t::value >> +{ + static constexpr auto value = + std::is_constructible::value; +}; + +template +struct is_compatible_string_type + : is_compatible_string_type_impl {}; + +template +struct is_constructible_string_type_impl : std::false_type {}; + +template +struct is_constructible_string_type_impl < + BasicJsonType, ConstructibleStringType, + enable_if_t::value >> +{ + static constexpr auto value = + std::is_constructible::value; +}; + +template +struct is_constructible_string_type + : is_constructible_string_type_impl {}; + +template +struct is_compatible_array_type_impl : std::false_type {}; + +template +struct is_compatible_array_type_impl < + BasicJsonType, CompatibleArrayType, + enable_if_t < is_detected::value&& + is_detected::value&& +// This is needed because json_reverse_iterator has a ::iterator type... +// Therefore it is detected as a CompatibleArrayType. +// The real fix would be to have an Iterable concept. + !is_iterator_traits < + iterator_traits>::value >> +{ + static constexpr bool value = + std::is_constructible::value; +}; + +template +struct is_compatible_array_type + : is_compatible_array_type_impl {}; + +template +struct is_constructible_array_type_impl : std::false_type {}; + +template +struct is_constructible_array_type_impl < + BasicJsonType, ConstructibleArrayType, + enable_if_t::value >> + : std::true_type {}; + +template +struct is_constructible_array_type_impl < + BasicJsonType, ConstructibleArrayType, + enable_if_t < !std::is_same::value&& + std::is_default_constructible::value&& +(std::is_move_assignable::value || + std::is_copy_assignable::value)&& +is_detected::value&& +is_detected::value&& +is_complete_type < +detected_t>::value >> +{ + static constexpr bool value = + // This is needed because json_reverse_iterator has a ::iterator type, + // furthermore, std::back_insert_iterator (and other iterators) have a + // base class `iterator`... Therefore it is detected as a + // ConstructibleArrayType. The real fix would be to have an Iterable + // concept. + !is_iterator_traits>::value && + + (std::is_same::value || + has_from_json::value || + has_non_default_from_json < + BasicJsonType, typename ConstructibleArrayType::value_type >::value); +}; + +template +struct is_constructible_array_type + : is_constructible_array_type_impl {}; + +template +struct is_compatible_integer_type_impl : std::false_type {}; + +template +struct is_compatible_integer_type_impl < + RealIntegerType, CompatibleNumberIntegerType, + enable_if_t < std::is_integral::value&& + std::is_integral::value&& + !std::is_same::value >> +{ + // is there an assert somewhere on overflows? + using RealLimits = std::numeric_limits; + using CompatibleLimits = std::numeric_limits; + + static constexpr auto value = + std::is_constructible::value && + CompatibleLimits::is_integer && + RealLimits::is_signed == CompatibleLimits::is_signed; +}; + +template +struct is_compatible_integer_type + : is_compatible_integer_type_impl {}; + +template +struct is_compatible_type_impl: std::false_type {}; + +template +struct is_compatible_type_impl < + BasicJsonType, CompatibleType, + enable_if_t::value >> +{ + static constexpr bool value = + has_to_json::value; +}; + +template +struct is_compatible_type + : is_compatible_type_impl {}; + +// https://en.cppreference.com/w/cpp/types/conjunction +template struct conjunction : std::true_type { }; +template struct conjunction : B1 { }; +template +struct conjunction +: std::conditional, B1>::type {}; + +template +struct is_constructible_tuple : std::false_type {}; + +template +struct is_constructible_tuple> : conjunction...> {}; +} // namespace detail +} // namespace nlohmann + +// #include + + +#include // array +#include // size_t +#include // uint8_t +#include // string + +namespace nlohmann +{ +namespace detail +{ +/////////////////////////// +// JSON type enumeration // +/////////////////////////// + +/*! +@brief the JSON type enumeration + +This enumeration collects the different JSON types. It is internally used to +distinguish the stored values, and the functions @ref basic_json::is_null(), +@ref basic_json::is_object(), @ref basic_json::is_array(), +@ref basic_json::is_string(), @ref basic_json::is_boolean(), +@ref basic_json::is_number() (with @ref basic_json::is_number_integer(), +@ref basic_json::is_number_unsigned(), and @ref basic_json::is_number_float()), +@ref basic_json::is_discarded(), @ref basic_json::is_primitive(), and +@ref basic_json::is_structured() rely on it. + +@note There are three enumeration entries (number_integer, number_unsigned, and +number_float), because the library distinguishes these three types for numbers: +@ref basic_json::number_unsigned_t is used for unsigned integers, +@ref basic_json::number_integer_t is used for signed integers, and +@ref basic_json::number_float_t is used for floating-point numbers or to +approximate integers which do not fit in the limits of their respective type. + +@sa @ref basic_json::basic_json(const value_t value_type) -- create a JSON +value with the default value for a given type + +@since version 1.0.0 +*/ +enum class value_t : std::uint8_t +{ + null, ///< null value + object, ///< object (unordered set of name/value pairs) + array, ///< array (ordered collection of values) + string, ///< string value + boolean, ///< boolean value + number_integer, ///< number value (signed integer) + number_unsigned, ///< number value (unsigned integer) + number_float, ///< number value (floating-point) + binary, ///< binary array (ordered collection of bytes) + discarded ///< discarded by the parser callback function +}; + +/*! +@brief comparison operator for JSON types + +Returns an ordering that is similar to Python: +- order: null < boolean < number < object < array < string < binary +- furthermore, each type is not smaller than itself +- discarded values are not comparable +- binary is represented as a b"" string in python and directly comparable to a + string; however, making a binary array directly comparable with a string would + be surprising behavior in a JSON file. + +@since version 1.0.0 +*/ +inline bool operator<(const value_t lhs, const value_t rhs) noexcept +{ + static constexpr std::array order = {{ + 0 /* null */, 3 /* object */, 4 /* array */, 5 /* string */, + 1 /* boolean */, 2 /* integer */, 2 /* unsigned */, 2 /* float */, + 6 /* binary */ + } + }; + + const auto l_index = static_cast(lhs); + const auto r_index = static_cast(rhs); + return l_index < order.size() && r_index < order.size() && order[l_index] < order[r_index]; +} +} // namespace detail +} // namespace nlohmann + + +namespace nlohmann +{ +namespace detail +{ +template +void from_json(const BasicJsonType& j, typename std::nullptr_t& n) +{ + if (JSON_HEDLEY_UNLIKELY(!j.is_null())) + { + JSON_THROW(type_error::create(302, "type must be null, but is " + std::string(j.type_name()))); + } + n = nullptr; +} + +// overloads for basic_json template parameters +template < typename BasicJsonType, typename ArithmeticType, + enable_if_t < std::is_arithmetic::value&& + !std::is_same::value, + int > = 0 > +void get_arithmetic_value(const BasicJsonType& j, ArithmeticType& val) +{ + switch (static_cast(j)) + { + case value_t::number_unsigned: + { + val = static_cast(*j.template get_ptr()); + break; + } + case value_t::number_integer: + { + val = static_cast(*j.template get_ptr()); + break; + } + case value_t::number_float: + { + val = static_cast(*j.template get_ptr()); + break; + } + + default: + JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); + } +} + +template +void from_json(const BasicJsonType& j, typename BasicJsonType::boolean_t& b) +{ + if (JSON_HEDLEY_UNLIKELY(!j.is_boolean())) + { + JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(j.type_name()))); + } + b = *j.template get_ptr(); +} + +template +void from_json(const BasicJsonType& j, typename BasicJsonType::string_t& s) +{ + if (JSON_HEDLEY_UNLIKELY(!j.is_string())) + { + JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()))); + } + s = *j.template get_ptr(); +} + +template < + typename BasicJsonType, typename ConstructibleStringType, + enable_if_t < + is_constructible_string_type::value&& + !std::is_same::value, + int > = 0 > +void from_json(const BasicJsonType& j, ConstructibleStringType& s) +{ + if (JSON_HEDLEY_UNLIKELY(!j.is_string())) + { + JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()))); + } + + s = *j.template get_ptr(); +} + +template +void from_json(const BasicJsonType& j, typename BasicJsonType::number_float_t& val) +{ + get_arithmetic_value(j, val); +} + +template +void from_json(const BasicJsonType& j, typename BasicJsonType::number_unsigned_t& val) +{ + get_arithmetic_value(j, val); +} + +template +void from_json(const BasicJsonType& j, typename BasicJsonType::number_integer_t& val) +{ + get_arithmetic_value(j, val); +} + +template::value, int> = 0> +void from_json(const BasicJsonType& j, EnumType& e) +{ + typename std::underlying_type::type val; + get_arithmetic_value(j, val); + e = static_cast(val); +} + +// forward_list doesn't have an insert method +template::value, int> = 0> +void from_json(const BasicJsonType& j, std::forward_list& l) +{ + if (JSON_HEDLEY_UNLIKELY(!j.is_array())) + { + JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); + } + l.clear(); + std::transform(j.rbegin(), j.rend(), + std::front_inserter(l), [](const BasicJsonType & i) + { + return i.template get(); + }); +} + +// valarray doesn't have an insert method +template::value, int> = 0> +void from_json(const BasicJsonType& j, std::valarray& l) +{ + if (JSON_HEDLEY_UNLIKELY(!j.is_array())) + { + JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); + } + l.resize(j.size()); + std::transform(j.begin(), j.end(), std::begin(l), + [](const BasicJsonType & elem) + { + return elem.template get(); + }); +} + +template +auto from_json(const BasicJsonType& j, T (&arr)[N]) +-> decltype(j.template get(), void()) +{ + for (std::size_t i = 0; i < N; ++i) + { + arr[i] = j.at(i).template get(); + } +} + +template +void from_json_array_impl(const BasicJsonType& j, typename BasicJsonType::array_t& arr, priority_tag<3> /*unused*/) +{ + arr = *j.template get_ptr(); +} + +template +auto from_json_array_impl(const BasicJsonType& j, std::array& arr, + priority_tag<2> /*unused*/) +-> decltype(j.template get(), void()) +{ + for (std::size_t i = 0; i < N; ++i) + { + arr[i] = j.at(i).template get(); + } +} + +template +auto from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, priority_tag<1> /*unused*/) +-> decltype( + arr.reserve(std::declval()), + j.template get(), + void()) +{ + using std::end; + + ConstructibleArrayType ret; + ret.reserve(j.size()); + std::transform(j.begin(), j.end(), + std::inserter(ret, end(ret)), [](const BasicJsonType & i) + { + // get() returns *this, this won't call a from_json + // method when value_type is BasicJsonType + return i.template get(); + }); + arr = std::move(ret); +} + +template +void from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, + priority_tag<0> /*unused*/) +{ + using std::end; + + ConstructibleArrayType ret; + std::transform( + j.begin(), j.end(), std::inserter(ret, end(ret)), + [](const BasicJsonType & i) + { + // get() returns *this, this won't call a from_json + // method when value_type is BasicJsonType + return i.template get(); + }); + arr = std::move(ret); +} + +template < typename BasicJsonType, typename ConstructibleArrayType, + enable_if_t < + is_constructible_array_type::value&& + !is_constructible_object_type::value&& + !is_constructible_string_type::value&& + !std::is_same::value&& + !is_basic_json::value, + int > = 0 > +auto from_json(const BasicJsonType& j, ConstructibleArrayType& arr) +-> decltype(from_json_array_impl(j, arr, priority_tag<3> {}), +j.template get(), +void()) +{ + if (JSON_HEDLEY_UNLIKELY(!j.is_array())) + { + JSON_THROW(type_error::create(302, "type must be array, but is " + + std::string(j.type_name()))); + } + + from_json_array_impl(j, arr, priority_tag<3> {}); +} + +template +void from_json(const BasicJsonType& j, typename BasicJsonType::binary_t& bin) +{ + if (JSON_HEDLEY_UNLIKELY(!j.is_binary())) + { + JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(j.type_name()))); + } + + bin = *j.template get_ptr(); +} + +template::value, int> = 0> +void from_json(const BasicJsonType& j, ConstructibleObjectType& obj) +{ + if (JSON_HEDLEY_UNLIKELY(!j.is_object())) + { + JSON_THROW(type_error::create(302, "type must be object, but is " + std::string(j.type_name()))); + } + + ConstructibleObjectType ret; + auto inner_object = j.template get_ptr(); + using value_type = typename ConstructibleObjectType::value_type; + std::transform( + inner_object->begin(), inner_object->end(), + std::inserter(ret, ret.begin()), + [](typename BasicJsonType::object_t::value_type const & p) + { + return value_type(p.first, p.second.template get()); + }); + obj = std::move(ret); +} + +// overload for arithmetic types, not chosen for basic_json template arguments +// (BooleanType, etc..); note: Is it really necessary to provide explicit +// overloads for boolean_t etc. in case of a custom BooleanType which is not +// an arithmetic type? +template < typename BasicJsonType, typename ArithmeticType, + enable_if_t < + std::is_arithmetic::value&& + !std::is_same::value&& + !std::is_same::value&& + !std::is_same::value&& + !std::is_same::value, + int > = 0 > +void from_json(const BasicJsonType& j, ArithmeticType& val) +{ + switch (static_cast(j)) + { + case value_t::number_unsigned: + { + val = static_cast(*j.template get_ptr()); + break; + } + case value_t::number_integer: + { + val = static_cast(*j.template get_ptr()); + break; + } + case value_t::number_float: + { + val = static_cast(*j.template get_ptr()); + break; + } + case value_t::boolean: + { + val = static_cast(*j.template get_ptr()); + break; + } + + default: + JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); + } +} + +template +void from_json(const BasicJsonType& j, std::pair& p) +{ + p = {j.at(0).template get(), j.at(1).template get()}; +} + +template +void from_json_tuple_impl(const BasicJsonType& j, Tuple& t, index_sequence /*unused*/) +{ + t = std::make_tuple(j.at(Idx).template get::type>()...); +} + +template +void from_json(const BasicJsonType& j, std::tuple& t) +{ + from_json_tuple_impl(j, t, index_sequence_for {}); +} + +template < typename BasicJsonType, typename Key, typename Value, typename Compare, typename Allocator, + typename = enable_if_t < !std::is_constructible < + typename BasicJsonType::string_t, Key >::value >> +void from_json(const BasicJsonType& j, std::map& m) +{ + if (JSON_HEDLEY_UNLIKELY(!j.is_array())) + { + JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); + } + m.clear(); + for (const auto& p : j) + { + if (JSON_HEDLEY_UNLIKELY(!p.is_array())) + { + JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()))); + } + m.emplace(p.at(0).template get(), p.at(1).template get()); + } +} + +template < typename BasicJsonType, typename Key, typename Value, typename Hash, typename KeyEqual, typename Allocator, + typename = enable_if_t < !std::is_constructible < + typename BasicJsonType::string_t, Key >::value >> +void from_json(const BasicJsonType& j, std::unordered_map& m) +{ + if (JSON_HEDLEY_UNLIKELY(!j.is_array())) + { + JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); + } + m.clear(); + for (const auto& p : j) + { + if (JSON_HEDLEY_UNLIKELY(!p.is_array())) + { + JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()))); + } + m.emplace(p.at(0).template get(), p.at(1).template get()); + } +} + +struct from_json_fn +{ + template + auto operator()(const BasicJsonType& j, T& val) const + noexcept(noexcept(from_json(j, val))) + -> decltype(from_json(j, val), void()) + { + return from_json(j, val); + } +}; +} // namespace detail + +/// namespace to hold default `from_json` function +/// to see why this is required: +/// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4381.html +namespace +{ +constexpr const auto& from_json = detail::static_const::value; +} // namespace +} // namespace nlohmann + +// #include + + +#include // copy +#include // begin, end +#include // string +#include // tuple, get +#include // is_same, is_constructible, is_floating_point, is_enum, underlying_type +#include // move, forward, declval, pair +#include // valarray +#include // vector + +// #include + + +#include // size_t +#include // input_iterator_tag +#include // string, to_string +#include // tuple_size, get, tuple_element + +// #include + +// #include + + +namespace nlohmann +{ +namespace detail +{ +template +void int_to_string( string_type& target, std::size_t value ) +{ + // For ADL + using std::to_string; + target = to_string(value); +} +template class iteration_proxy_value +{ + public: + using difference_type = std::ptrdiff_t; + using value_type = iteration_proxy_value; + using pointer = value_type * ; + using reference = value_type & ; + using iterator_category = std::input_iterator_tag; + using string_type = typename std::remove_cv< typename std::remove_reference().key() ) >::type >::type; + + private: + /// the iterator + IteratorType anchor; + /// an index for arrays (used to create key names) + std::size_t array_index = 0; + /// last stringified array index + mutable std::size_t array_index_last = 0; + /// a string representation of the array index + mutable string_type array_index_str = "0"; + /// an empty string (to return a reference for primitive values) + const string_type empty_str = ""; + + public: + explicit iteration_proxy_value(IteratorType it) noexcept : anchor(it) {} + + /// dereference operator (needed for range-based for) + iteration_proxy_value& operator*() + { + return *this; + } + + /// increment operator (needed for range-based for) + iteration_proxy_value& operator++() + { + ++anchor; + ++array_index; + + return *this; + } + + /// equality operator (needed for InputIterator) + bool operator==(const iteration_proxy_value& o) const + { + return anchor == o.anchor; + } + + /// inequality operator (needed for range-based for) + bool operator!=(const iteration_proxy_value& o) const + { + return anchor != o.anchor; + } + + /// return key of the iterator + const string_type& key() const + { + JSON_ASSERT(anchor.m_object != nullptr); + + switch (anchor.m_object->type()) + { + // use integer array index as key + case value_t::array: + { + if (array_index != array_index_last) + { + int_to_string( array_index_str, array_index ); + array_index_last = array_index; + } + return array_index_str; + } + + // use key from the object + case value_t::object: + return anchor.key(); + + // use an empty key for all primitive types + default: + return empty_str; + } + } + + /// return value of the iterator + typename IteratorType::reference value() const + { + return anchor.value(); + } +}; + +/// proxy class for the items() function +template class iteration_proxy +{ + private: + /// the container to iterate + typename IteratorType::reference container; + + public: + /// construct iteration proxy from a container + explicit iteration_proxy(typename IteratorType::reference cont) noexcept + : container(cont) {} + + /// return iterator begin (needed for range-based for) + iteration_proxy_value begin() noexcept + { + return iteration_proxy_value(container.begin()); + } + + /// return iterator end (needed for range-based for) + iteration_proxy_value end() noexcept + { + return iteration_proxy_value(container.end()); + } +}; +// Structured Bindings Support +// For further reference see https://blog.tartanllama.xyz/structured-bindings/ +// And see https://github.com/nlohmann/json/pull/1391 +template = 0> +auto get(const nlohmann::detail::iteration_proxy_value& i) -> decltype(i.key()) +{ + return i.key(); +} +// Structured Bindings Support +// For further reference see https://blog.tartanllama.xyz/structured-bindings/ +// And see https://github.com/nlohmann/json/pull/1391 +template = 0> +auto get(const nlohmann::detail::iteration_proxy_value& i) -> decltype(i.value()) +{ + return i.value(); +} +} // namespace detail +} // namespace nlohmann + +// The Addition to the STD Namespace is required to add +// Structured Bindings Support to the iteration_proxy_value class +// For further reference see https://blog.tartanllama.xyz/structured-bindings/ +// And see https://github.com/nlohmann/json/pull/1391 +namespace std +{ +#if defined(__clang__) + // Fix: https://github.com/nlohmann/json/issues/1401 + #pragma clang diagnostic push + #pragma clang diagnostic ignored "-Wmismatched-tags" +#endif +template +class tuple_size<::nlohmann::detail::iteration_proxy_value> + : public std::integral_constant {}; + +template +class tuple_element> +{ + public: + using type = decltype( + get(std::declval < + ::nlohmann::detail::iteration_proxy_value> ())); +}; +#if defined(__clang__) + #pragma clang diagnostic pop +#endif +} // namespace std + +// #include + +// #include + +// #include + + +namespace nlohmann +{ +namespace detail +{ +////////////////// +// constructors // +////////////////// + +template struct external_constructor; + +template<> +struct external_constructor +{ + template + static void construct(BasicJsonType& j, typename BasicJsonType::boolean_t b) noexcept + { + j.m_type = value_t::boolean; + j.m_value = b; + j.assert_invariant(); + } +}; + +template<> +struct external_constructor +{ + template + static void construct(BasicJsonType& j, const typename BasicJsonType::string_t& s) + { + j.m_type = value_t::string; + j.m_value = s; + j.assert_invariant(); + } + + template + static void construct(BasicJsonType& j, typename BasicJsonType::string_t&& s) + { + j.m_type = value_t::string; + j.m_value = std::move(s); + j.assert_invariant(); + } + + template < typename BasicJsonType, typename CompatibleStringType, + enable_if_t < !std::is_same::value, + int > = 0 > + static void construct(BasicJsonType& j, const CompatibleStringType& str) + { + j.m_type = value_t::string; + j.m_value.string = j.template create(str); + j.assert_invariant(); + } +}; + +template<> +struct external_constructor +{ + template + static void construct(BasicJsonType& j, const typename BasicJsonType::binary_t& b) + { + j.m_type = value_t::binary; + typename BasicJsonType::binary_t value{b}; + j.m_value = value; + j.assert_invariant(); + } + + template + static void construct(BasicJsonType& j, typename BasicJsonType::binary_t&& b) + { + j.m_type = value_t::binary; + typename BasicJsonType::binary_t value{std::move(b)}; + j.m_value = value; + j.assert_invariant(); + } +}; + +template<> +struct external_constructor +{ + template + static void construct(BasicJsonType& j, typename BasicJsonType::number_float_t val) noexcept + { + j.m_type = value_t::number_float; + j.m_value = val; + j.assert_invariant(); + } +}; + +template<> +struct external_constructor +{ + template + static void construct(BasicJsonType& j, typename BasicJsonType::number_unsigned_t val) noexcept + { + j.m_type = value_t::number_unsigned; + j.m_value = val; + j.assert_invariant(); + } +}; + +template<> +struct external_constructor +{ + template + static void construct(BasicJsonType& j, typename BasicJsonType::number_integer_t val) noexcept + { + j.m_type = value_t::number_integer; + j.m_value = val; + j.assert_invariant(); + } +}; + +template<> +struct external_constructor +{ + template + static void construct(BasicJsonType& j, const typename BasicJsonType::array_t& arr) + { + j.m_type = value_t::array; + j.m_value = arr; + j.assert_invariant(); + } + + template + static void construct(BasicJsonType& j, typename BasicJsonType::array_t&& arr) + { + j.m_type = value_t::array; + j.m_value = std::move(arr); + j.assert_invariant(); + } + + template < typename BasicJsonType, typename CompatibleArrayType, + enable_if_t < !std::is_same::value, + int > = 0 > + static void construct(BasicJsonType& j, const CompatibleArrayType& arr) + { + using std::begin; + using std::end; + j.m_type = value_t::array; + j.m_value.array = j.template create(begin(arr), end(arr)); + j.assert_invariant(); + } + + template + static void construct(BasicJsonType& j, const std::vector& arr) + { + j.m_type = value_t::array; + j.m_value = value_t::array; + j.m_value.array->reserve(arr.size()); + for (const bool x : arr) + { + j.m_value.array->push_back(x); + } + j.assert_invariant(); + } + + template::value, int> = 0> + static void construct(BasicJsonType& j, const std::valarray& arr) + { + j.m_type = value_t::array; + j.m_value = value_t::array; + j.m_value.array->resize(arr.size()); + if (arr.size() > 0) + { + std::copy(std::begin(arr), std::end(arr), j.m_value.array->begin()); + } + j.assert_invariant(); + } +}; + +template<> +struct external_constructor +{ + template + static void construct(BasicJsonType& j, const typename BasicJsonType::object_t& obj) + { + j.m_type = value_t::object; + j.m_value = obj; + j.assert_invariant(); + } + + template + static void construct(BasicJsonType& j, typename BasicJsonType::object_t&& obj) + { + j.m_type = value_t::object; + j.m_value = std::move(obj); + j.assert_invariant(); + } + + template < typename BasicJsonType, typename CompatibleObjectType, + enable_if_t < !std::is_same::value, int > = 0 > + static void construct(BasicJsonType& j, const CompatibleObjectType& obj) + { + using std::begin; + using std::end; + + j.m_type = value_t::object; + j.m_value.object = j.template create(begin(obj), end(obj)); + j.assert_invariant(); + } +}; + +///////////// +// to_json // +///////////// + +template::value, int> = 0> +void to_json(BasicJsonType& j, T b) noexcept +{ + external_constructor::construct(j, b); +} + +template::value, int> = 0> +void to_json(BasicJsonType& j, const CompatibleString& s) +{ + external_constructor::construct(j, s); +} + +template +void to_json(BasicJsonType& j, typename BasicJsonType::string_t&& s) +{ + external_constructor::construct(j, std::move(s)); +} + +template::value, int> = 0> +void to_json(BasicJsonType& j, FloatType val) noexcept +{ + external_constructor::construct(j, static_cast(val)); +} + +template::value, int> = 0> +void to_json(BasicJsonType& j, CompatibleNumberUnsignedType val) noexcept +{ + external_constructor::construct(j, static_cast(val)); +} + +template::value, int> = 0> +void to_json(BasicJsonType& j, CompatibleNumberIntegerType val) noexcept +{ + external_constructor::construct(j, static_cast(val)); +} + +template::value, int> = 0> +void to_json(BasicJsonType& j, EnumType e) noexcept +{ + using underlying_type = typename std::underlying_type::type; + external_constructor::construct(j, static_cast(e)); +} + +template +void to_json(BasicJsonType& j, const std::vector& e) +{ + external_constructor::construct(j, e); +} + +template < typename BasicJsonType, typename CompatibleArrayType, + enable_if_t < is_compatible_array_type::value&& + !is_compatible_object_type::value&& + !is_compatible_string_type::value&& + !std::is_same::value&& + !is_basic_json::value, + int > = 0 > +void to_json(BasicJsonType& j, const CompatibleArrayType& arr) +{ + external_constructor::construct(j, arr); +} + +template +void to_json(BasicJsonType& j, const typename BasicJsonType::binary_t& bin) +{ + external_constructor::construct(j, bin); +} + +template::value, int> = 0> +void to_json(BasicJsonType& j, const std::valarray& arr) +{ + external_constructor::construct(j, std::move(arr)); +} + +template +void to_json(BasicJsonType& j, typename BasicJsonType::array_t&& arr) +{ + external_constructor::construct(j, std::move(arr)); +} + +template < typename BasicJsonType, typename CompatibleObjectType, + enable_if_t < is_compatible_object_type::value&& !is_basic_json::value, int > = 0 > +void to_json(BasicJsonType& j, const CompatibleObjectType& obj) +{ + external_constructor::construct(j, obj); +} + +template +void to_json(BasicJsonType& j, typename BasicJsonType::object_t&& obj) +{ + external_constructor::construct(j, std::move(obj)); +} + +template < + typename BasicJsonType, typename T, std::size_t N, + enable_if_t < !std::is_constructible::value, + int > = 0 > +void to_json(BasicJsonType& j, const T(&arr)[N]) +{ + external_constructor::construct(j, arr); +} + +template < typename BasicJsonType, typename T1, typename T2, enable_if_t < std::is_constructible::value&& std::is_constructible::value, int > = 0 > +void to_json(BasicJsonType& j, const std::pair& p) +{ + j = { p.first, p.second }; +} + +// for https://github.com/nlohmann/json/pull/1134 +template>::value, int> = 0> +void to_json(BasicJsonType& j, const T& b) +{ + j = { {b.key(), b.value()} }; +} + +template +void to_json_tuple_impl(BasicJsonType& j, const Tuple& t, index_sequence /*unused*/) +{ + j = { std::get(t)... }; +} + +template::value, int > = 0> +void to_json(BasicJsonType& j, const T& t) +{ + to_json_tuple_impl(j, t, make_index_sequence::value> {}); +} + +struct to_json_fn +{ + template + auto operator()(BasicJsonType& j, T&& val) const noexcept(noexcept(to_json(j, std::forward(val)))) + -> decltype(to_json(j, std::forward(val)), void()) + { + return to_json(j, std::forward(val)); + } +}; +} // namespace detail + +/// namespace to hold default `to_json` function +namespace +{ +constexpr const auto& to_json = detail::static_const::value; +} // namespace +} // namespace nlohmann + + +namespace nlohmann +{ + +template +struct adl_serializer +{ + /*! + @brief convert a JSON value to any value type + + This function is usually called by the `get()` function of the + @ref basic_json class (either explicit or via conversion operators). + + @param[in] j JSON value to read from + @param[in,out] val value to write to + */ + template + static auto from_json(BasicJsonType&& j, ValueType& val) noexcept( + noexcept(::nlohmann::from_json(std::forward(j), val))) + -> decltype(::nlohmann::from_json(std::forward(j), val), void()) + { + ::nlohmann::from_json(std::forward(j), val); + } + + /*! + @brief convert any value type to a JSON value + + This function is usually called by the constructors of the @ref basic_json + class. + + @param[in,out] j JSON value to write to + @param[in] val value to read from + */ + template + static auto to_json(BasicJsonType& j, ValueType&& val) noexcept( + noexcept(::nlohmann::to_json(j, std::forward(val)))) + -> decltype(::nlohmann::to_json(j, std::forward(val)), void()) + { + ::nlohmann::to_json(j, std::forward(val)); + } +}; + +} // namespace nlohmann + +// #include + + +#include // uint8_t +#include // tie +#include // move + +namespace nlohmann +{ + +/*! +@brief an internal type for a backed binary type + +This type extends the template parameter @a BinaryType provided to `basic_json` +with a subtype used by BSON and MessagePack. This type exists so that the user +does not have to specify a type themselves with a specific naming scheme in +order to override the binary type. + +@tparam BinaryType container to store bytes (`std::vector` by + default) + +@since version 3.8.0 +*/ +template +class byte_container_with_subtype : public BinaryType +{ + public: + /// the type of the underlying container + using container_type = BinaryType; + + byte_container_with_subtype() noexcept(noexcept(container_type())) + : container_type() + {} + + byte_container_with_subtype(const container_type& b) noexcept(noexcept(container_type(b))) + : container_type(b) + {} + + byte_container_with_subtype(container_type&& b) noexcept(noexcept(container_type(std::move(b)))) + : container_type(std::move(b)) + {} + + byte_container_with_subtype(const container_type& b, std::uint8_t subtype) noexcept(noexcept(container_type(b))) + : container_type(b) + , m_subtype(subtype) + , m_has_subtype(true) + {} + + byte_container_with_subtype(container_type&& b, std::uint8_t subtype) noexcept(noexcept(container_type(std::move(b)))) + : container_type(std::move(b)) + , m_subtype(subtype) + , m_has_subtype(true) + {} + + bool operator==(const byte_container_with_subtype& rhs) const + { + return std::tie(static_cast(*this), m_subtype, m_has_subtype) == + std::tie(static_cast(rhs), rhs.m_subtype, rhs.m_has_subtype); + } + + bool operator!=(const byte_container_with_subtype& rhs) const + { + return !(rhs == *this); + } + + /*! + @brief sets the binary subtype + + Sets the binary subtype of the value, also flags a binary JSON value as + having a subtype, which has implications for serialization. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @sa @ref subtype() -- return the binary subtype + @sa @ref clear_subtype() -- clears the binary subtype + @sa @ref has_subtype() -- returns whether or not the binary value has a + subtype + + @since version 3.8.0 + */ + void set_subtype(std::uint8_t subtype) noexcept + { + m_subtype = subtype; + m_has_subtype = true; + } + + /*! + @brief return the binary subtype + + Returns the numerical subtype of the value if it has a subtype. If it does + not have a subtype, this function will return size_t(-1) as a sentinel + value. + + @return the numerical subtype of the binary value + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @sa @ref set_subtype() -- sets the binary subtype + @sa @ref clear_subtype() -- clears the binary subtype + @sa @ref has_subtype() -- returns whether or not the binary value has a + subtype + + @since version 3.8.0 + */ + constexpr std::uint8_t subtype() const noexcept + { + return m_subtype; + } + + /*! + @brief return whether the value has a subtype + + @return whether the value has a subtype + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @sa @ref subtype() -- return the binary subtype + @sa @ref set_subtype() -- sets the binary subtype + @sa @ref clear_subtype() -- clears the binary subtype + + @since version 3.8.0 + */ + constexpr bool has_subtype() const noexcept + { + return m_has_subtype; + } + + /*! + @brief clears the binary subtype + + Clears the binary subtype and flags the value as not having a subtype, which + has implications for serialization; for instance MessagePack will prefer the + bin family over the ext family. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @sa @ref subtype() -- return the binary subtype + @sa @ref set_subtype() -- sets the binary subtype + @sa @ref has_subtype() -- returns whether or not the binary value has a + subtype + + @since version 3.8.0 + */ + void clear_subtype() noexcept + { + m_subtype = 0; + m_has_subtype = false; + } + + private: + std::uint8_t m_subtype = 0; + bool m_has_subtype = false; +}; + +} // namespace nlohmann + +// #include + +// #include + +// #include + +// #include + + +#include // size_t, uint8_t +#include // hash + +namespace nlohmann +{ +namespace detail +{ + +// boost::hash_combine +inline std::size_t combine(std::size_t seed, std::size_t h) noexcept +{ + seed ^= h + 0x9e3779b9 + (seed << 6U) + (seed >> 2U); + return seed; +} + +/*! +@brief hash a JSON value + +The hash function tries to rely on std::hash where possible. Furthermore, the +type of the JSON value is taken into account to have different hash values for +null, 0, 0U, and false, etc. + +@tparam BasicJsonType basic_json specialization +@param j JSON value to hash +@return hash value of j +*/ +template +std::size_t hash(const BasicJsonType& j) +{ + using string_t = typename BasicJsonType::string_t; + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + + const auto type = static_cast(j.type()); + switch (j.type()) + { + case BasicJsonType::value_t::null: + case BasicJsonType::value_t::discarded: + { + return combine(type, 0); + } + + case BasicJsonType::value_t::object: + { + auto seed = combine(type, j.size()); + for (const auto& element : j.items()) + { + const auto h = std::hash {}(element.key()); + seed = combine(seed, h); + seed = combine(seed, hash(element.value())); + } + return seed; + } + + case BasicJsonType::value_t::array: + { + auto seed = combine(type, j.size()); + for (const auto& element : j) + { + seed = combine(seed, hash(element)); + } + return seed; + } + + case BasicJsonType::value_t::string: + { + const auto h = std::hash {}(j.template get_ref()); + return combine(type, h); + } + + case BasicJsonType::value_t::boolean: + { + const auto h = std::hash {}(j.template get()); + return combine(type, h); + } + + case BasicJsonType::value_t::number_integer: + { + const auto h = std::hash {}(j.template get()); + return combine(type, h); + } + + case nlohmann::detail::value_t::number_unsigned: + { + const auto h = std::hash {}(j.template get()); + return combine(type, h); + } + + case nlohmann::detail::value_t::number_float: + { + const auto h = std::hash {}(j.template get()); + return combine(type, h); + } + + case nlohmann::detail::value_t::binary: + { + auto seed = combine(type, j.get_binary().size()); + const auto h = std::hash {}(j.get_binary().has_subtype()); + seed = combine(seed, h); + seed = combine(seed, j.get_binary().subtype()); + for (const auto byte : j.get_binary()) + { + seed = combine(seed, std::hash {}(byte)); + } + return seed; + } + + default: // LCOV_EXCL_LINE + JSON_ASSERT(false); // LCOV_EXCL_LINE + } +} + +} // namespace detail +} // namespace nlohmann + +// #include + + +#include // generate_n +#include // array +#include // ldexp +#include // size_t +#include // uint8_t, uint16_t, uint32_t, uint64_t +#include // snprintf +#include // memcpy +#include // back_inserter +#include // numeric_limits +#include // char_traits, string +#include // make_pair, move + +// #include + +// #include + + +#include // array +#include // size_t +#include //FILE * +#include // strlen +#include // istream +#include // begin, end, iterator_traits, random_access_iterator_tag, distance, next +#include // shared_ptr, make_shared, addressof +#include // accumulate +#include // string, char_traits +#include // enable_if, is_base_of, is_pointer, is_integral, remove_pointer +#include // pair, declval + +// #include + +// #include + + +namespace nlohmann +{ +namespace detail +{ +/// the supported input formats +enum class input_format_t { json, cbor, msgpack, ubjson, bson }; + +//////////////////// +// input adapters // +//////////////////// + +/*! +Input adapter for stdio file access. This adapter read only 1 byte and do not use any + buffer. This adapter is a very low level adapter. +*/ +class file_input_adapter +{ + public: + using char_type = char; + + JSON_HEDLEY_NON_NULL(2) + explicit file_input_adapter(std::FILE* f) noexcept + : m_file(f) + {} + + // make class move-only + file_input_adapter(const file_input_adapter&) = delete; + file_input_adapter(file_input_adapter&&) = default; + file_input_adapter& operator=(const file_input_adapter&) = delete; + file_input_adapter& operator=(file_input_adapter&&) = delete; + + std::char_traits::int_type get_character() noexcept + { + return std::fgetc(m_file); + } + + private: + /// the file pointer to read from + std::FILE* m_file; +}; + + +/*! +Input adapter for a (caching) istream. Ignores a UFT Byte Order Mark at +beginning of input. Does not support changing the underlying std::streambuf +in mid-input. Maintains underlying std::istream and std::streambuf to support +subsequent use of standard std::istream operations to process any input +characters following those used in parsing the JSON input. Clears the +std::istream flags; any input errors (e.g., EOF) will be detected by the first +subsequent call for input from the std::istream. +*/ +class input_stream_adapter +{ + public: + using char_type = char; + + ~input_stream_adapter() + { + // clear stream flags; we use underlying streambuf I/O, do not + // maintain ifstream flags, except eof + if (is != nullptr) + { + is->clear(is->rdstate() & std::ios::eofbit); + } + } + + explicit input_stream_adapter(std::istream& i) + : is(&i), sb(i.rdbuf()) + {} + + // delete because of pointer members + input_stream_adapter(const input_stream_adapter&) = delete; + input_stream_adapter& operator=(input_stream_adapter&) = delete; + input_stream_adapter& operator=(input_stream_adapter&& rhs) = delete; + + input_stream_adapter(input_stream_adapter&& rhs) noexcept : is(rhs.is), sb(rhs.sb) + { + rhs.is = nullptr; + rhs.sb = nullptr; + } + + // std::istream/std::streambuf use std::char_traits::to_int_type, to + // ensure that std::char_traits::eof() and the character 0xFF do not + // end up as the same value, eg. 0xFFFFFFFF. + std::char_traits::int_type get_character() + { + auto res = sb->sbumpc(); + // set eof manually, as we don't use the istream interface. + if (JSON_HEDLEY_UNLIKELY(res == EOF)) + { + is->clear(is->rdstate() | std::ios::eofbit); + } + return res; + } + + private: + /// the associated input stream + std::istream* is = nullptr; + std::streambuf* sb = nullptr; +}; + +// General-purpose iterator-based adapter. It might not be as fast as +// theoretically possible for some containers, but it is extremely versatile. +template +class iterator_input_adapter +{ + public: + using char_type = typename std::iterator_traits::value_type; + + iterator_input_adapter(IteratorType first, IteratorType last) + : current(std::move(first)), end(std::move(last)) {} + + typename std::char_traits::int_type get_character() + { + if (JSON_HEDLEY_LIKELY(current != end)) + { + auto result = std::char_traits::to_int_type(*current); + std::advance(current, 1); + return result; + } + else + { + return std::char_traits::eof(); + } + } + + private: + IteratorType current; + IteratorType end; + + template + friend struct wide_string_input_helper; + + bool empty() const + { + return current == end; + } + +}; + + +template +struct wide_string_input_helper; + +template +struct wide_string_input_helper +{ + // UTF-32 + static void fill_buffer(BaseInputAdapter& input, + std::array::int_type, 4>& utf8_bytes, + size_t& utf8_bytes_index, + size_t& utf8_bytes_filled) + { + utf8_bytes_index = 0; + + if (JSON_HEDLEY_UNLIKELY(input.empty())) + { + utf8_bytes[0] = std::char_traits::eof(); + utf8_bytes_filled = 1; + } + else + { + // get the current character + const auto wc = input.get_character(); + + // UTF-32 to UTF-8 encoding + if (wc < 0x80) + { + utf8_bytes[0] = static_cast::int_type>(wc); + utf8_bytes_filled = 1; + } + else if (wc <= 0x7FF) + { + utf8_bytes[0] = static_cast::int_type>(0xC0u | ((static_cast(wc) >> 6u) & 0x1Fu)); + utf8_bytes[1] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); + utf8_bytes_filled = 2; + } + else if (wc <= 0xFFFF) + { + utf8_bytes[0] = static_cast::int_type>(0xE0u | ((static_cast(wc) >> 12u) & 0x0Fu)); + utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); + utf8_bytes[2] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); + utf8_bytes_filled = 3; + } + else if (wc <= 0x10FFFF) + { + utf8_bytes[0] = static_cast::int_type>(0xF0u | ((static_cast(wc) >> 18u) & 0x07u)); + utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 12u) & 0x3Fu)); + utf8_bytes[2] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); + utf8_bytes[3] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); + utf8_bytes_filled = 4; + } + else + { + // unknown character + utf8_bytes[0] = static_cast::int_type>(wc); + utf8_bytes_filled = 1; + } + } + } +}; + +template +struct wide_string_input_helper +{ + // UTF-16 + static void fill_buffer(BaseInputAdapter& input, + std::array::int_type, 4>& utf8_bytes, + size_t& utf8_bytes_index, + size_t& utf8_bytes_filled) + { + utf8_bytes_index = 0; + + if (JSON_HEDLEY_UNLIKELY(input.empty())) + { + utf8_bytes[0] = std::char_traits::eof(); + utf8_bytes_filled = 1; + } + else + { + // get the current character + const auto wc = input.get_character(); + + // UTF-16 to UTF-8 encoding + if (wc < 0x80) + { + utf8_bytes[0] = static_cast::int_type>(wc); + utf8_bytes_filled = 1; + } + else if (wc <= 0x7FF) + { + utf8_bytes[0] = static_cast::int_type>(0xC0u | ((static_cast(wc) >> 6u))); + utf8_bytes[1] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); + utf8_bytes_filled = 2; + } + else if (0xD800 > wc || wc >= 0xE000) + { + utf8_bytes[0] = static_cast::int_type>(0xE0u | ((static_cast(wc) >> 12u))); + utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); + utf8_bytes[2] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); + utf8_bytes_filled = 3; + } + else + { + if (JSON_HEDLEY_UNLIKELY(!input.empty())) + { + const auto wc2 = static_cast(input.get_character()); + const auto charcode = 0x10000u + (((static_cast(wc) & 0x3FFu) << 10u) | (wc2 & 0x3FFu)); + utf8_bytes[0] = static_cast::int_type>(0xF0u | (charcode >> 18u)); + utf8_bytes[1] = static_cast::int_type>(0x80u | ((charcode >> 12u) & 0x3Fu)); + utf8_bytes[2] = static_cast::int_type>(0x80u | ((charcode >> 6u) & 0x3Fu)); + utf8_bytes[3] = static_cast::int_type>(0x80u | (charcode & 0x3Fu)); + utf8_bytes_filled = 4; + } + else + { + utf8_bytes[0] = static_cast::int_type>(wc); + utf8_bytes_filled = 1; + } + } + } + } +}; + +// Wraps another input apdater to convert wide character types into individual bytes. +template +class wide_string_input_adapter +{ + public: + using char_type = char; + + wide_string_input_adapter(BaseInputAdapter base) + : base_adapter(base) {} + + typename std::char_traits::int_type get_character() noexcept + { + // check if buffer needs to be filled + if (utf8_bytes_index == utf8_bytes_filled) + { + fill_buffer(); + + JSON_ASSERT(utf8_bytes_filled > 0); + JSON_ASSERT(utf8_bytes_index == 0); + } + + // use buffer + JSON_ASSERT(utf8_bytes_filled > 0); + JSON_ASSERT(utf8_bytes_index < utf8_bytes_filled); + return utf8_bytes[utf8_bytes_index++]; + } + + private: + BaseInputAdapter base_adapter; + + template + void fill_buffer() + { + wide_string_input_helper::fill_buffer(base_adapter, utf8_bytes, utf8_bytes_index, utf8_bytes_filled); + } + + /// a buffer for UTF-8 bytes + std::array::int_type, 4> utf8_bytes = {{0, 0, 0, 0}}; + + /// index to the utf8_codes array for the next valid byte + std::size_t utf8_bytes_index = 0; + /// number of valid bytes in the utf8_codes array + std::size_t utf8_bytes_filled = 0; +}; + + +template +struct iterator_input_adapter_factory +{ + using iterator_type = IteratorType; + using char_type = typename std::iterator_traits::value_type; + using adapter_type = iterator_input_adapter; + + static adapter_type create(IteratorType first, IteratorType last) + { + return adapter_type(std::move(first), std::move(last)); + } +}; + +template +struct is_iterator_of_multibyte +{ + using value_type = typename std::iterator_traits::value_type; + enum + { + value = sizeof(value_type) > 1 + }; +}; + +template +struct iterator_input_adapter_factory::value>> +{ + using iterator_type = IteratorType; + using char_type = typename std::iterator_traits::value_type; + using base_adapter_type = iterator_input_adapter; + using adapter_type = wide_string_input_adapter; + + static adapter_type create(IteratorType first, IteratorType last) + { + return adapter_type(base_adapter_type(std::move(first), std::move(last))); + } +}; + +// General purpose iterator-based input +template +typename iterator_input_adapter_factory::adapter_type input_adapter(IteratorType first, IteratorType last) +{ + using factory_type = iterator_input_adapter_factory; + return factory_type::create(first, last); +} + +// Convenience shorthand from container to iterator +template +auto input_adapter(const ContainerType& container) -> decltype(input_adapter(begin(container), end(container))) +{ + // Enable ADL + using std::begin; + using std::end; + + return input_adapter(begin(container), end(container)); +} + +// Special cases with fast paths +inline file_input_adapter input_adapter(std::FILE* file) +{ + return file_input_adapter(file); +} + +inline input_stream_adapter input_adapter(std::istream& stream) +{ + return input_stream_adapter(stream); +} + +inline input_stream_adapter input_adapter(std::istream&& stream) +{ + return input_stream_adapter(stream); +} + +using contiguous_bytes_input_adapter = decltype(input_adapter(std::declval(), std::declval())); + +// Null-delimited strings, and the like. +template < typename CharT, + typename std::enable_if < + std::is_pointer::value&& + !std::is_array::value&& + std::is_integral::type>::value&& + sizeof(typename std::remove_pointer::type) == 1, + int >::type = 0 > +contiguous_bytes_input_adapter input_adapter(CharT b) +{ + auto length = std::strlen(reinterpret_cast(b)); + const auto* ptr = reinterpret_cast(b); + return input_adapter(ptr, ptr + length); +} + +template +auto input_adapter(T (&array)[N]) -> decltype(input_adapter(array, array + N)) +{ + return input_adapter(array, array + N); +} + +// This class only handles inputs of input_buffer_adapter type. +// It's required so that expressions like {ptr, len} can be implicitely casted +// to the correct adapter. +class span_input_adapter +{ + public: + template < typename CharT, + typename std::enable_if < + std::is_pointer::value&& + std::is_integral::type>::value&& + sizeof(typename std::remove_pointer::type) == 1, + int >::type = 0 > + span_input_adapter(CharT b, std::size_t l) + : ia(reinterpret_cast(b), reinterpret_cast(b) + l) {} + + template::iterator_category, std::random_access_iterator_tag>::value, + int>::type = 0> + span_input_adapter(IteratorType first, IteratorType last) + : ia(input_adapter(first, last)) {} + + contiguous_bytes_input_adapter&& get() + { + return std::move(ia); + } + + private: + contiguous_bytes_input_adapter ia; +}; +} // namespace detail +} // namespace nlohmann + +// #include + + +#include +#include // string +#include // move +#include // vector + +// #include + +// #include + + +namespace nlohmann +{ + +/*! +@brief SAX interface + +This class describes the SAX interface used by @ref nlohmann::json::sax_parse. +Each function is called in different situations while the input is parsed. The +boolean return value informs the parser whether to continue processing the +input. +*/ +template +struct json_sax +{ + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + + /*! + @brief a null value was read + @return whether parsing should proceed + */ + virtual bool null() = 0; + + /*! + @brief a boolean value was read + @param[in] val boolean value + @return whether parsing should proceed + */ + virtual bool boolean(bool val) = 0; + + /*! + @brief an integer number was read + @param[in] val integer value + @return whether parsing should proceed + */ + virtual bool number_integer(number_integer_t val) = 0; + + /*! + @brief an unsigned integer number was read + @param[in] val unsigned integer value + @return whether parsing should proceed + */ + virtual bool number_unsigned(number_unsigned_t val) = 0; + + /*! + @brief an floating-point number was read + @param[in] val floating-point value + @param[in] s raw token value + @return whether parsing should proceed + */ + virtual bool number_float(number_float_t val, const string_t& s) = 0; + + /*! + @brief a string was read + @param[in] val string value + @return whether parsing should proceed + @note It is safe to move the passed string. + */ + virtual bool string(string_t& val) = 0; + + /*! + @brief a binary string was read + @param[in] val binary value + @return whether parsing should proceed + @note It is safe to move the passed binary. + */ + virtual bool binary(binary_t& val) = 0; + + /*! + @brief the beginning of an object was read + @param[in] elements number of object elements or -1 if unknown + @return whether parsing should proceed + @note binary formats may report the number of elements + */ + virtual bool start_object(std::size_t elements) = 0; + + /*! + @brief an object key was read + @param[in] val object key + @return whether parsing should proceed + @note It is safe to move the passed string. + */ + virtual bool key(string_t& val) = 0; + + /*! + @brief the end of an object was read + @return whether parsing should proceed + */ + virtual bool end_object() = 0; + + /*! + @brief the beginning of an array was read + @param[in] elements number of array elements or -1 if unknown + @return whether parsing should proceed + @note binary formats may report the number of elements + */ + virtual bool start_array(std::size_t elements) = 0; + + /*! + @brief the end of an array was read + @return whether parsing should proceed + */ + virtual bool end_array() = 0; + + /*! + @brief a parse error occurred + @param[in] position the position in the input where the error occurs + @param[in] last_token the last read token + @param[in] ex an exception object describing the error + @return whether parsing should proceed (must return false) + */ + virtual bool parse_error(std::size_t position, + const std::string& last_token, + const detail::exception& ex) = 0; + + virtual ~json_sax() = default; +}; + + +namespace detail +{ +/*! +@brief SAX implementation to create a JSON value from SAX events + +This class implements the @ref json_sax interface and processes the SAX events +to create a JSON value which makes it basically a DOM parser. The structure or +hierarchy of the JSON value is managed by the stack `ref_stack` which contains +a pointer to the respective array or object for each recursion depth. + +After successful parsing, the value that is passed by reference to the +constructor contains the parsed value. + +@tparam BasicJsonType the JSON type +*/ +template +class json_sax_dom_parser +{ + public: + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + + /*! + @param[in, out] r reference to a JSON value that is manipulated while + parsing + @param[in] allow_exceptions_ whether parse errors yield exceptions + */ + explicit json_sax_dom_parser(BasicJsonType& r, const bool allow_exceptions_ = true) + : root(r), allow_exceptions(allow_exceptions_) + {} + + // make class move-only + json_sax_dom_parser(const json_sax_dom_parser&) = delete; + json_sax_dom_parser(json_sax_dom_parser&&) = default; + json_sax_dom_parser& operator=(const json_sax_dom_parser&) = delete; + json_sax_dom_parser& operator=(json_sax_dom_parser&&) = default; + ~json_sax_dom_parser() = default; + + bool null() + { + handle_value(nullptr); + return true; + } + + bool boolean(bool val) + { + handle_value(val); + return true; + } + + bool number_integer(number_integer_t val) + { + handle_value(val); + return true; + } + + bool number_unsigned(number_unsigned_t val) + { + handle_value(val); + return true; + } + + bool number_float(number_float_t val, const string_t& /*unused*/) + { + handle_value(val); + return true; + } + + bool string(string_t& val) + { + handle_value(val); + return true; + } + + bool binary(binary_t& val) + { + handle_value(std::move(val)); + return true; + } + + bool start_object(std::size_t len) + { + ref_stack.push_back(handle_value(BasicJsonType::value_t::object)); + + if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) + { + JSON_THROW(out_of_range::create(408, + "excessive object size: " + std::to_string(len))); + } + + return true; + } + + bool key(string_t& val) + { + // add null at given key and store the reference for later + object_element = &(ref_stack.back()->m_value.object->operator[](val)); + return true; + } + + bool end_object() + { + ref_stack.pop_back(); + return true; + } + + bool start_array(std::size_t len) + { + ref_stack.push_back(handle_value(BasicJsonType::value_t::array)); + + if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) + { + JSON_THROW(out_of_range::create(408, + "excessive array size: " + std::to_string(len))); + } + + return true; + } + + bool end_array() + { + ref_stack.pop_back(); + return true; + } + + template + bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, + const Exception& ex) + { + errored = true; + static_cast(ex); + if (allow_exceptions) + { + JSON_THROW(ex); + } + return false; + } + + constexpr bool is_errored() const + { + return errored; + } + + private: + /*! + @invariant If the ref stack is empty, then the passed value will be the new + root. + @invariant If the ref stack contains a value, then it is an array or an + object to which we can add elements + */ + template + JSON_HEDLEY_RETURNS_NON_NULL + BasicJsonType* handle_value(Value&& v) + { + if (ref_stack.empty()) + { + root = BasicJsonType(std::forward(v)); + return &root; + } + + JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); + + if (ref_stack.back()->is_array()) + { + ref_stack.back()->m_value.array->emplace_back(std::forward(v)); + return &(ref_stack.back()->m_value.array->back()); + } + + JSON_ASSERT(ref_stack.back()->is_object()); + JSON_ASSERT(object_element); + *object_element = BasicJsonType(std::forward(v)); + return object_element; + } + + /// the parsed JSON value + BasicJsonType& root; + /// stack to model hierarchy of values + std::vector ref_stack {}; + /// helper to hold the reference for the next object element + BasicJsonType* object_element = nullptr; + /// whether a syntax error occurred + bool errored = false; + /// whether to throw exceptions in case of errors + const bool allow_exceptions = true; +}; + +template +class json_sax_dom_callback_parser +{ + public: + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + using parser_callback_t = typename BasicJsonType::parser_callback_t; + using parse_event_t = typename BasicJsonType::parse_event_t; + + json_sax_dom_callback_parser(BasicJsonType& r, + const parser_callback_t cb, + const bool allow_exceptions_ = true) + : root(r), callback(cb), allow_exceptions(allow_exceptions_) + { + keep_stack.push_back(true); + } + + // make class move-only + json_sax_dom_callback_parser(const json_sax_dom_callback_parser&) = delete; + json_sax_dom_callback_parser(json_sax_dom_callback_parser&&) = default; + json_sax_dom_callback_parser& operator=(const json_sax_dom_callback_parser&) = delete; + json_sax_dom_callback_parser& operator=(json_sax_dom_callback_parser&&) = default; + ~json_sax_dom_callback_parser() = default; + + bool null() + { + handle_value(nullptr); + return true; + } + + bool boolean(bool val) + { + handle_value(val); + return true; + } + + bool number_integer(number_integer_t val) + { + handle_value(val); + return true; + } + + bool number_unsigned(number_unsigned_t val) + { + handle_value(val); + return true; + } + + bool number_float(number_float_t val, const string_t& /*unused*/) + { + handle_value(val); + return true; + } + + bool string(string_t& val) + { + handle_value(val); + return true; + } + + bool binary(binary_t& val) + { + handle_value(std::move(val)); + return true; + } + + bool start_object(std::size_t len) + { + // check callback for object start + const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::object_start, discarded); + keep_stack.push_back(keep); + + auto val = handle_value(BasicJsonType::value_t::object, true); + ref_stack.push_back(val.second); + + // check object limit + if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) + { + JSON_THROW(out_of_range::create(408, "excessive object size: " + std::to_string(len))); + } + + return true; + } + + bool key(string_t& val) + { + BasicJsonType k = BasicJsonType(val); + + // check callback for key + const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::key, k); + key_keep_stack.push_back(keep); + + // add discarded value at given key and store the reference for later + if (keep && ref_stack.back()) + { + object_element = &(ref_stack.back()->m_value.object->operator[](val) = discarded); + } + + return true; + } + + bool end_object() + { + if (ref_stack.back() && !callback(static_cast(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back())) + { + // discard object + *ref_stack.back() = discarded; + } + + JSON_ASSERT(!ref_stack.empty()); + JSON_ASSERT(!keep_stack.empty()); + ref_stack.pop_back(); + keep_stack.pop_back(); + + if (!ref_stack.empty() && ref_stack.back() && ref_stack.back()->is_structured()) + { + // remove discarded value + for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it) + { + if (it->is_discarded()) + { + ref_stack.back()->erase(it); + break; + } + } + } + + return true; + } + + bool start_array(std::size_t len) + { + const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::array_start, discarded); + keep_stack.push_back(keep); + + auto val = handle_value(BasicJsonType::value_t::array, true); + ref_stack.push_back(val.second); + + // check array limit + if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) + { + JSON_THROW(out_of_range::create(408, "excessive array size: " + std::to_string(len))); + } + + return true; + } + + bool end_array() + { + bool keep = true; + + if (ref_stack.back()) + { + keep = callback(static_cast(ref_stack.size()) - 1, parse_event_t::array_end, *ref_stack.back()); + if (!keep) + { + // discard array + *ref_stack.back() = discarded; + } + } + + JSON_ASSERT(!ref_stack.empty()); + JSON_ASSERT(!keep_stack.empty()); + ref_stack.pop_back(); + keep_stack.pop_back(); + + // remove discarded value + if (!keep && !ref_stack.empty() && ref_stack.back()->is_array()) + { + ref_stack.back()->m_value.array->pop_back(); + } + + return true; + } + + template + bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, + const Exception& ex) + { + errored = true; + static_cast(ex); + if (allow_exceptions) + { + JSON_THROW(ex); + } + return false; + } + + constexpr bool is_errored() const + { + return errored; + } + + private: + /*! + @param[in] v value to add to the JSON value we build during parsing + @param[in] skip_callback whether we should skip calling the callback + function; this is required after start_array() and + start_object() SAX events, because otherwise we would call the + callback function with an empty array or object, respectively. + + @invariant If the ref stack is empty, then the passed value will be the new + root. + @invariant If the ref stack contains a value, then it is an array or an + object to which we can add elements + + @return pair of boolean (whether value should be kept) and pointer (to the + passed value in the ref_stack hierarchy; nullptr if not kept) + */ + template + std::pair handle_value(Value&& v, const bool skip_callback = false) + { + JSON_ASSERT(!keep_stack.empty()); + + // do not handle this value if we know it would be added to a discarded + // container + if (!keep_stack.back()) + { + return {false, nullptr}; + } + + // create value + auto value = BasicJsonType(std::forward(v)); + + // check callback + const bool keep = skip_callback || callback(static_cast(ref_stack.size()), parse_event_t::value, value); + + // do not handle this value if we just learnt it shall be discarded + if (!keep) + { + return {false, nullptr}; + } + + if (ref_stack.empty()) + { + root = std::move(value); + return {true, &root}; + } + + // skip this value if we already decided to skip the parent + // (https://github.com/nlohmann/json/issues/971#issuecomment-413678360) + if (!ref_stack.back()) + { + return {false, nullptr}; + } + + // we now only expect arrays and objects + JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); + + // array + if (ref_stack.back()->is_array()) + { + ref_stack.back()->m_value.array->push_back(std::move(value)); + return {true, &(ref_stack.back()->m_value.array->back())}; + } + + // object + JSON_ASSERT(ref_stack.back()->is_object()); + // check if we should store an element for the current key + JSON_ASSERT(!key_keep_stack.empty()); + const bool store_element = key_keep_stack.back(); + key_keep_stack.pop_back(); + + if (!store_element) + { + return {false, nullptr}; + } + + JSON_ASSERT(object_element); + *object_element = std::move(value); + return {true, object_element}; + } + + /// the parsed JSON value + BasicJsonType& root; + /// stack to model hierarchy of values + std::vector ref_stack {}; + /// stack to manage which values to keep + std::vector keep_stack {}; + /// stack to manage which object keys to keep + std::vector key_keep_stack {}; + /// helper to hold the reference for the next object element + BasicJsonType* object_element = nullptr; + /// whether a syntax error occurred + bool errored = false; + /// callback function + const parser_callback_t callback = nullptr; + /// whether to throw exceptions in case of errors + const bool allow_exceptions = true; + /// a discarded value for the callback + BasicJsonType discarded = BasicJsonType::value_t::discarded; +}; + +template +class json_sax_acceptor +{ + public: + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + + bool null() + { + return true; + } + + bool boolean(bool /*unused*/) + { + return true; + } + + bool number_integer(number_integer_t /*unused*/) + { + return true; + } + + bool number_unsigned(number_unsigned_t /*unused*/) + { + return true; + } + + bool number_float(number_float_t /*unused*/, const string_t& /*unused*/) + { + return true; + } + + bool string(string_t& /*unused*/) + { + return true; + } + + bool binary(binary_t& /*unused*/) + { + return true; + } + + bool start_object(std::size_t /*unused*/ = std::size_t(-1)) + { + return true; + } + + bool key(string_t& /*unused*/) + { + return true; + } + + bool end_object() + { + return true; + } + + bool start_array(std::size_t /*unused*/ = std::size_t(-1)) + { + return true; + } + + bool end_array() + { + return true; + } + + bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, const detail::exception& /*unused*/) + { + return false; + } +}; +} // namespace detail + +} // namespace nlohmann + +// #include + + +#include // array +#include // localeconv +#include // size_t +#include // snprintf +#include // strtof, strtod, strtold, strtoll, strtoull +#include // initializer_list +#include // char_traits, string +#include // move +#include // vector + +// #include + +// #include + +// #include + + +namespace nlohmann +{ +namespace detail +{ +/////////// +// lexer // +/////////// + +template +class lexer_base +{ + public: + /// token types for the parser + enum class token_type + { + uninitialized, ///< indicating the scanner is uninitialized + literal_true, ///< the `true` literal + literal_false, ///< the `false` literal + literal_null, ///< the `null` literal + value_string, ///< a string -- use get_string() for actual value + value_unsigned, ///< an unsigned integer -- use get_number_unsigned() for actual value + value_integer, ///< a signed integer -- use get_number_integer() for actual value + value_float, ///< an floating point number -- use get_number_float() for actual value + begin_array, ///< the character for array begin `[` + begin_object, ///< the character for object begin `{` + end_array, ///< the character for array end `]` + end_object, ///< the character for object end `}` + name_separator, ///< the name separator `:` + value_separator, ///< the value separator `,` + parse_error, ///< indicating a parse error + end_of_input, ///< indicating the end of the input buffer + literal_or_value ///< a literal or the begin of a value (only for diagnostics) + }; + + /// return name of values of type token_type (only used for errors) + JSON_HEDLEY_RETURNS_NON_NULL + JSON_HEDLEY_CONST + static const char* token_type_name(const token_type t) noexcept + { + switch (t) + { + case token_type::uninitialized: + return ""; + case token_type::literal_true: + return "true literal"; + case token_type::literal_false: + return "false literal"; + case token_type::literal_null: + return "null literal"; + case token_type::value_string: + return "string literal"; + case token_type::value_unsigned: + case token_type::value_integer: + case token_type::value_float: + return "number literal"; + case token_type::begin_array: + return "'['"; + case token_type::begin_object: + return "'{'"; + case token_type::end_array: + return "']'"; + case token_type::end_object: + return "'}'"; + case token_type::name_separator: + return "':'"; + case token_type::value_separator: + return "','"; + case token_type::parse_error: + return ""; + case token_type::end_of_input: + return "end of input"; + case token_type::literal_or_value: + return "'[', '{', or a literal"; + // LCOV_EXCL_START + default: // catch non-enum values + return "unknown token"; + // LCOV_EXCL_STOP + } + } +}; +/*! +@brief lexical analysis + +This class organizes the lexical analysis during JSON deserialization. +*/ +template +class lexer : public lexer_base +{ + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using char_type = typename InputAdapterType::char_type; + using char_int_type = typename std::char_traits::int_type; + + public: + using token_type = typename lexer_base::token_type; + + explicit lexer(InputAdapterType&& adapter, bool ignore_comments_ = false) + : ia(std::move(adapter)) + , ignore_comments(ignore_comments_) + , decimal_point_char(static_cast(get_decimal_point())) + {} + + // delete because of pointer members + lexer(const lexer&) = delete; + lexer(lexer&&) = default; + lexer& operator=(lexer&) = delete; + lexer& operator=(lexer&&) = default; + ~lexer() = default; + + private: + ///////////////////// + // locales + ///////////////////// + + /// return the locale-dependent decimal point + JSON_HEDLEY_PURE + static char get_decimal_point() noexcept + { + const auto* loc = localeconv(); + JSON_ASSERT(loc != nullptr); + return (loc->decimal_point == nullptr) ? '.' : *(loc->decimal_point); + } + + ///////////////////// + // scan functions + ///////////////////// + + /*! + @brief get codepoint from 4 hex characters following `\u` + + For input "\u c1 c2 c3 c4" the codepoint is: + (c1 * 0x1000) + (c2 * 0x0100) + (c3 * 0x0010) + c4 + = (c1 << 12) + (c2 << 8) + (c3 << 4) + (c4 << 0) + + Furthermore, the possible characters '0'..'9', 'A'..'F', and 'a'..'f' + must be converted to the integers 0x0..0x9, 0xA..0xF, 0xA..0xF, resp. The + conversion is done by subtracting the offset (0x30, 0x37, and 0x57) + between the ASCII value of the character and the desired integer value. + + @return codepoint (0x0000..0xFFFF) or -1 in case of an error (e.g. EOF or + non-hex character) + */ + int get_codepoint() + { + // this function only makes sense after reading `\u` + JSON_ASSERT(current == 'u'); + int codepoint = 0; + + const auto factors = { 12u, 8u, 4u, 0u }; + for (const auto factor : factors) + { + get(); + + if (current >= '0' && current <= '9') + { + codepoint += static_cast((static_cast(current) - 0x30u) << factor); + } + else if (current >= 'A' && current <= 'F') + { + codepoint += static_cast((static_cast(current) - 0x37u) << factor); + } + else if (current >= 'a' && current <= 'f') + { + codepoint += static_cast((static_cast(current) - 0x57u) << factor); + } + else + { + return -1; + } + } + + JSON_ASSERT(0x0000 <= codepoint && codepoint <= 0xFFFF); + return codepoint; + } + + /*! + @brief check if the next byte(s) are inside a given range + + Adds the current byte and, for each passed range, reads a new byte and + checks if it is inside the range. If a violation was detected, set up an + error message and return false. Otherwise, return true. + + @param[in] ranges list of integers; interpreted as list of pairs of + inclusive lower and upper bound, respectively + + @pre The passed list @a ranges must have 2, 4, or 6 elements; that is, + 1, 2, or 3 pairs. This precondition is enforced by an assertion. + + @return true if and only if no range violation was detected + */ + bool next_byte_in_range(std::initializer_list ranges) + { + JSON_ASSERT(ranges.size() == 2 || ranges.size() == 4 || ranges.size() == 6); + add(current); + + for (auto range = ranges.begin(); range != ranges.end(); ++range) + { + get(); + if (JSON_HEDLEY_LIKELY(*range <= current && current <= *(++range))) + { + add(current); + } + else + { + error_message = "invalid string: ill-formed UTF-8 byte"; + return false; + } + } + + return true; + } + + /*! + @brief scan a string literal + + This function scans a string according to Sect. 7 of RFC 7159. While + scanning, bytes are escaped and copied into buffer token_buffer. Then the + function returns successfully, token_buffer is *not* null-terminated (as it + may contain \0 bytes), and token_buffer.size() is the number of bytes in the + string. + + @return token_type::value_string if string could be successfully scanned, + token_type::parse_error otherwise + + @note In case of errors, variable error_message contains a textual + description. + */ + token_type scan_string() + { + // reset token_buffer (ignore opening quote) + reset(); + + // we entered the function by reading an open quote + JSON_ASSERT(current == '\"'); + + while (true) + { + // get next character + switch (get()) + { + // end of file while parsing string + case std::char_traits::eof(): + { + error_message = "invalid string: missing closing quote"; + return token_type::parse_error; + } + + // closing quote + case '\"': + { + return token_type::value_string; + } + + // escapes + case '\\': + { + switch (get()) + { + // quotation mark + case '\"': + add('\"'); + break; + // reverse solidus + case '\\': + add('\\'); + break; + // solidus + case '/': + add('/'); + break; + // backspace + case 'b': + add('\b'); + break; + // form feed + case 'f': + add('\f'); + break; + // line feed + case 'n': + add('\n'); + break; + // carriage return + case 'r': + add('\r'); + break; + // tab + case 't': + add('\t'); + break; + + // unicode escapes + case 'u': + { + const int codepoint1 = get_codepoint(); + int codepoint = codepoint1; // start with codepoint1 + + if (JSON_HEDLEY_UNLIKELY(codepoint1 == -1)) + { + error_message = "invalid string: '\\u' must be followed by 4 hex digits"; + return token_type::parse_error; + } + + // check if code point is a high surrogate + if (0xD800 <= codepoint1 && codepoint1 <= 0xDBFF) + { + // expect next \uxxxx entry + if (JSON_HEDLEY_LIKELY(get() == '\\' && get() == 'u')) + { + const int codepoint2 = get_codepoint(); + + if (JSON_HEDLEY_UNLIKELY(codepoint2 == -1)) + { + error_message = "invalid string: '\\u' must be followed by 4 hex digits"; + return token_type::parse_error; + } + + // check if codepoint2 is a low surrogate + if (JSON_HEDLEY_LIKELY(0xDC00 <= codepoint2 && codepoint2 <= 0xDFFF)) + { + // overwrite codepoint + codepoint = static_cast( + // high surrogate occupies the most significant 22 bits + (static_cast(codepoint1) << 10u) + // low surrogate occupies the least significant 15 bits + + static_cast(codepoint2) + // there is still the 0xD800, 0xDC00 and 0x10000 noise + // in the result so we have to subtract with: + // (0xD800 << 10) + DC00 - 0x10000 = 0x35FDC00 + - 0x35FDC00u); + } + else + { + error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; + return token_type::parse_error; + } + } + else + { + error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; + return token_type::parse_error; + } + } + else + { + if (JSON_HEDLEY_UNLIKELY(0xDC00 <= codepoint1 && codepoint1 <= 0xDFFF)) + { + error_message = "invalid string: surrogate U+DC00..U+DFFF must follow U+D800..U+DBFF"; + return token_type::parse_error; + } + } + + // result of the above calculation yields a proper codepoint + JSON_ASSERT(0x00 <= codepoint && codepoint <= 0x10FFFF); + + // translate codepoint into bytes + if (codepoint < 0x80) + { + // 1-byte characters: 0xxxxxxx (ASCII) + add(static_cast(codepoint)); + } + else if (codepoint <= 0x7FF) + { + // 2-byte characters: 110xxxxx 10xxxxxx + add(static_cast(0xC0u | (static_cast(codepoint) >> 6u))); + add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); + } + else if (codepoint <= 0xFFFF) + { + // 3-byte characters: 1110xxxx 10xxxxxx 10xxxxxx + add(static_cast(0xE0u | (static_cast(codepoint) >> 12u))); + add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); + add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); + } + else + { + // 4-byte characters: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + add(static_cast(0xF0u | (static_cast(codepoint) >> 18u))); + add(static_cast(0x80u | ((static_cast(codepoint) >> 12u) & 0x3Fu))); + add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); + add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); + } + + break; + } + + // other characters after escape + default: + error_message = "invalid string: forbidden character after backslash"; + return token_type::parse_error; + } + + break; + } + + // invalid control characters + case 0x00: + { + error_message = "invalid string: control character U+0000 (NUL) must be escaped to \\u0000"; + return token_type::parse_error; + } + + case 0x01: + { + error_message = "invalid string: control character U+0001 (SOH) must be escaped to \\u0001"; + return token_type::parse_error; + } + + case 0x02: + { + error_message = "invalid string: control character U+0002 (STX) must be escaped to \\u0002"; + return token_type::parse_error; + } + + case 0x03: + { + error_message = "invalid string: control character U+0003 (ETX) must be escaped to \\u0003"; + return token_type::parse_error; + } + + case 0x04: + { + error_message = "invalid string: control character U+0004 (EOT) must be escaped to \\u0004"; + return token_type::parse_error; + } + + case 0x05: + { + error_message = "invalid string: control character U+0005 (ENQ) must be escaped to \\u0005"; + return token_type::parse_error; + } + + case 0x06: + { + error_message = "invalid string: control character U+0006 (ACK) must be escaped to \\u0006"; + return token_type::parse_error; + } + + case 0x07: + { + error_message = "invalid string: control character U+0007 (BEL) must be escaped to \\u0007"; + return token_type::parse_error; + } + + case 0x08: + { + error_message = "invalid string: control character U+0008 (BS) must be escaped to \\u0008 or \\b"; + return token_type::parse_error; + } + + case 0x09: + { + error_message = "invalid string: control character U+0009 (HT) must be escaped to \\u0009 or \\t"; + return token_type::parse_error; + } + + case 0x0A: + { + error_message = "invalid string: control character U+000A (LF) must be escaped to \\u000A or \\n"; + return token_type::parse_error; + } + + case 0x0B: + { + error_message = "invalid string: control character U+000B (VT) must be escaped to \\u000B"; + return token_type::parse_error; + } + + case 0x0C: + { + error_message = "invalid string: control character U+000C (FF) must be escaped to \\u000C or \\f"; + return token_type::parse_error; + } + + case 0x0D: + { + error_message = "invalid string: control character U+000D (CR) must be escaped to \\u000D or \\r"; + return token_type::parse_error; + } + + case 0x0E: + { + error_message = "invalid string: control character U+000E (SO) must be escaped to \\u000E"; + return token_type::parse_error; + } + + case 0x0F: + { + error_message = "invalid string: control character U+000F (SI) must be escaped to \\u000F"; + return token_type::parse_error; + } + + case 0x10: + { + error_message = "invalid string: control character U+0010 (DLE) must be escaped to \\u0010"; + return token_type::parse_error; + } + + case 0x11: + { + error_message = "invalid string: control character U+0011 (DC1) must be escaped to \\u0011"; + return token_type::parse_error; + } + + case 0x12: + { + error_message = "invalid string: control character U+0012 (DC2) must be escaped to \\u0012"; + return token_type::parse_error; + } + + case 0x13: + { + error_message = "invalid string: control character U+0013 (DC3) must be escaped to \\u0013"; + return token_type::parse_error; + } + + case 0x14: + { + error_message = "invalid string: control character U+0014 (DC4) must be escaped to \\u0014"; + return token_type::parse_error; + } + + case 0x15: + { + error_message = "invalid string: control character U+0015 (NAK) must be escaped to \\u0015"; + return token_type::parse_error; + } + + case 0x16: + { + error_message = "invalid string: control character U+0016 (SYN) must be escaped to \\u0016"; + return token_type::parse_error; + } + + case 0x17: + { + error_message = "invalid string: control character U+0017 (ETB) must be escaped to \\u0017"; + return token_type::parse_error; + } + + case 0x18: + { + error_message = "invalid string: control character U+0018 (CAN) must be escaped to \\u0018"; + return token_type::parse_error; + } + + case 0x19: + { + error_message = "invalid string: control character U+0019 (EM) must be escaped to \\u0019"; + return token_type::parse_error; + } + + case 0x1A: + { + error_message = "invalid string: control character U+001A (SUB) must be escaped to \\u001A"; + return token_type::parse_error; + } + + case 0x1B: + { + error_message = "invalid string: control character U+001B (ESC) must be escaped to \\u001B"; + return token_type::parse_error; + } + + case 0x1C: + { + error_message = "invalid string: control character U+001C (FS) must be escaped to \\u001C"; + return token_type::parse_error; + } + + case 0x1D: + { + error_message = "invalid string: control character U+001D (GS) must be escaped to \\u001D"; + return token_type::parse_error; + } + + case 0x1E: + { + error_message = "invalid string: control character U+001E (RS) must be escaped to \\u001E"; + return token_type::parse_error; + } + + case 0x1F: + { + error_message = "invalid string: control character U+001F (US) must be escaped to \\u001F"; + return token_type::parse_error; + } + + // U+0020..U+007F (except U+0022 (quote) and U+005C (backspace)) + case 0x20: + case 0x21: + case 0x23: + case 0x24: + case 0x25: + case 0x26: + case 0x27: + case 0x28: + case 0x29: + case 0x2A: + case 0x2B: + case 0x2C: + case 0x2D: + case 0x2E: + case 0x2F: + case 0x30: + case 0x31: + case 0x32: + case 0x33: + case 0x34: + case 0x35: + case 0x36: + case 0x37: + case 0x38: + case 0x39: + case 0x3A: + case 0x3B: + case 0x3C: + case 0x3D: + case 0x3E: + case 0x3F: + case 0x40: + case 0x41: + case 0x42: + case 0x43: + case 0x44: + case 0x45: + case 0x46: + case 0x47: + case 0x48: + case 0x49: + case 0x4A: + case 0x4B: + case 0x4C: + case 0x4D: + case 0x4E: + case 0x4F: + case 0x50: + case 0x51: + case 0x52: + case 0x53: + case 0x54: + case 0x55: + case 0x56: + case 0x57: + case 0x58: + case 0x59: + case 0x5A: + case 0x5B: + case 0x5D: + case 0x5E: + case 0x5F: + case 0x60: + case 0x61: + case 0x62: + case 0x63: + case 0x64: + case 0x65: + case 0x66: + case 0x67: + case 0x68: + case 0x69: + case 0x6A: + case 0x6B: + case 0x6C: + case 0x6D: + case 0x6E: + case 0x6F: + case 0x70: + case 0x71: + case 0x72: + case 0x73: + case 0x74: + case 0x75: + case 0x76: + case 0x77: + case 0x78: + case 0x79: + case 0x7A: + case 0x7B: + case 0x7C: + case 0x7D: + case 0x7E: + case 0x7F: + { + add(current); + break; + } + + // U+0080..U+07FF: bytes C2..DF 80..BF + case 0xC2: + case 0xC3: + case 0xC4: + case 0xC5: + case 0xC6: + case 0xC7: + case 0xC8: + case 0xC9: + case 0xCA: + case 0xCB: + case 0xCC: + case 0xCD: + case 0xCE: + case 0xCF: + case 0xD0: + case 0xD1: + case 0xD2: + case 0xD3: + case 0xD4: + case 0xD5: + case 0xD6: + case 0xD7: + case 0xD8: + case 0xD9: + case 0xDA: + case 0xDB: + case 0xDC: + case 0xDD: + case 0xDE: + case 0xDF: + { + if (JSON_HEDLEY_UNLIKELY(!next_byte_in_range({0x80, 0xBF}))) + { + return token_type::parse_error; + } + break; + } + + // U+0800..U+0FFF: bytes E0 A0..BF 80..BF + case 0xE0: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0xA0, 0xBF, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } + + // U+1000..U+CFFF: bytes E1..EC 80..BF 80..BF + // U+E000..U+FFFF: bytes EE..EF 80..BF 80..BF + case 0xE1: + case 0xE2: + case 0xE3: + case 0xE4: + case 0xE5: + case 0xE6: + case 0xE7: + case 0xE8: + case 0xE9: + case 0xEA: + case 0xEB: + case 0xEC: + case 0xEE: + case 0xEF: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } + + // U+D000..U+D7FF: bytes ED 80..9F 80..BF + case 0xED: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x9F, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } + + // U+10000..U+3FFFF F0 90..BF 80..BF 80..BF + case 0xF0: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x90, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } + + // U+40000..U+FFFFF F1..F3 80..BF 80..BF 80..BF + case 0xF1: + case 0xF2: + case 0xF3: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } + + // U+100000..U+10FFFF F4 80..8F 80..BF 80..BF + case 0xF4: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x8F, 0x80, 0xBF, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } + + // remaining bytes (80..C1 and F5..FF) are ill-formed + default: + { + error_message = "invalid string: ill-formed UTF-8 byte"; + return token_type::parse_error; + } + } + } + } + + /*! + * @brief scan a comment + * @return whether comment could be scanned successfully + */ + bool scan_comment() + { + switch (get()) + { + // single-line comments skip input until a newline or EOF is read + case '/': + { + while (true) + { + switch (get()) + { + case '\n': + case '\r': + case std::char_traits::eof(): + case '\0': + return true; + + default: + break; + } + } + } + + // multi-line comments skip input until */ is read + case '*': + { + while (true) + { + switch (get()) + { + case std::char_traits::eof(): + case '\0': + { + error_message = "invalid comment; missing closing '*/'"; + return false; + } + + case '*': + { + switch (get()) + { + case '/': + return true; + + default: + { + unget(); + continue; + } + } + } + + default: + continue; + } + } + } + + // unexpected character after reading '/' + default: + { + error_message = "invalid comment; expecting '/' or '*' after '/'"; + return false; + } + } + } + + JSON_HEDLEY_NON_NULL(2) + static void strtof(float& f, const char* str, char** endptr) noexcept + { + f = std::strtof(str, endptr); + } + + JSON_HEDLEY_NON_NULL(2) + static void strtof(double& f, const char* str, char** endptr) noexcept + { + f = std::strtod(str, endptr); + } + + JSON_HEDLEY_NON_NULL(2) + static void strtof(long double& f, const char* str, char** endptr) noexcept + { + f = std::strtold(str, endptr); + } + + /*! + @brief scan a number literal + + This function scans a string according to Sect. 6 of RFC 7159. + + The function is realized with a deterministic finite state machine derived + from the grammar described in RFC 7159. Starting in state "init", the + input is read and used to determined the next state. Only state "done" + accepts the number. State "error" is a trap state to model errors. In the + table below, "anything" means any character but the ones listed before. + + state | 0 | 1-9 | e E | + | - | . | anything + ---------|----------|----------|----------|---------|---------|----------|----------- + init | zero | any1 | [error] | [error] | minus | [error] | [error] + minus | zero | any1 | [error] | [error] | [error] | [error] | [error] + zero | done | done | exponent | done | done | decimal1 | done + any1 | any1 | any1 | exponent | done | done | decimal1 | done + decimal1 | decimal2 | decimal2 | [error] | [error] | [error] | [error] | [error] + decimal2 | decimal2 | decimal2 | exponent | done | done | done | done + exponent | any2 | any2 | [error] | sign | sign | [error] | [error] + sign | any2 | any2 | [error] | [error] | [error] | [error] | [error] + any2 | any2 | any2 | done | done | done | done | done + + The state machine is realized with one label per state (prefixed with + "scan_number_") and `goto` statements between them. The state machine + contains cycles, but any cycle can be left when EOF is read. Therefore, + the function is guaranteed to terminate. + + During scanning, the read bytes are stored in token_buffer. This string is + then converted to a signed integer, an unsigned integer, or a + floating-point number. + + @return token_type::value_unsigned, token_type::value_integer, or + token_type::value_float if number could be successfully scanned, + token_type::parse_error otherwise + + @note The scanner is independent of the current locale. Internally, the + locale's decimal point is used instead of `.` to work with the + locale-dependent converters. + */ + token_type scan_number() // lgtm [cpp/use-of-goto] + { + // reset token_buffer to store the number's bytes + reset(); + + // the type of the parsed number; initially set to unsigned; will be + // changed if minus sign, decimal point or exponent is read + token_type number_type = token_type::value_unsigned; + + // state (init): we just found out we need to scan a number + switch (current) + { + case '-': + { + add(current); + goto scan_number_minus; + } + + case '0': + { + add(current); + goto scan_number_zero; + } + + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_any1; + } + + // all other characters are rejected outside scan_number() + default: // LCOV_EXCL_LINE + JSON_ASSERT(false); // LCOV_EXCL_LINE + } + +scan_number_minus: + // state: we just parsed a leading minus sign + number_type = token_type::value_integer; + switch (get()) + { + case '0': + { + add(current); + goto scan_number_zero; + } + + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_any1; + } + + default: + { + error_message = "invalid number; expected digit after '-'"; + return token_type::parse_error; + } + } + +scan_number_zero: + // state: we just parse a zero (maybe with a leading minus sign) + switch (get()) + { + case '.': + { + add(decimal_point_char); + goto scan_number_decimal1; + } + + case 'e': + case 'E': + { + add(current); + goto scan_number_exponent; + } + + default: + goto scan_number_done; + } + +scan_number_any1: + // state: we just parsed a number 0-9 (maybe with a leading minus sign) + switch (get()) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_any1; + } + + case '.': + { + add(decimal_point_char); + goto scan_number_decimal1; + } + + case 'e': + case 'E': + { + add(current); + goto scan_number_exponent; + } + + default: + goto scan_number_done; + } + +scan_number_decimal1: + // state: we just parsed a decimal point + number_type = token_type::value_float; + switch (get()) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_decimal2; + } + + default: + { + error_message = "invalid number; expected digit after '.'"; + return token_type::parse_error; + } + } + +scan_number_decimal2: + // we just parsed at least one number after a decimal point + switch (get()) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_decimal2; + } + + case 'e': + case 'E': + { + add(current); + goto scan_number_exponent; + } + + default: + goto scan_number_done; + } + +scan_number_exponent: + // we just parsed an exponent + number_type = token_type::value_float; + switch (get()) + { + case '+': + case '-': + { + add(current); + goto scan_number_sign; + } + + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_any2; + } + + default: + { + error_message = + "invalid number; expected '+', '-', or digit after exponent"; + return token_type::parse_error; + } + } + +scan_number_sign: + // we just parsed an exponent sign + switch (get()) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_any2; + } + + default: + { + error_message = "invalid number; expected digit after exponent sign"; + return token_type::parse_error; + } + } + +scan_number_any2: + // we just parsed a number after the exponent or exponent sign + switch (get()) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_any2; + } + + default: + goto scan_number_done; + } + +scan_number_done: + // unget the character after the number (we only read it to know that + // we are done scanning a number) + unget(); + + char* endptr = nullptr; + errno = 0; + + // try to parse integers first and fall back to floats + if (number_type == token_type::value_unsigned) + { + const auto x = std::strtoull(token_buffer.data(), &endptr, 10); + + // we checked the number format before + JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); + + if (errno == 0) + { + value_unsigned = static_cast(x); + if (value_unsigned == x) + { + return token_type::value_unsigned; + } + } + } + else if (number_type == token_type::value_integer) + { + const auto x = std::strtoll(token_buffer.data(), &endptr, 10); + + // we checked the number format before + JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); + + if (errno == 0) + { + value_integer = static_cast(x); + if (value_integer == x) + { + return token_type::value_integer; + } + } + } + + // this code is reached if we parse a floating-point number or if an + // integer conversion above failed + strtof(value_float, token_buffer.data(), &endptr); + + // we checked the number format before + JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); + + return token_type::value_float; + } + + /*! + @param[in] literal_text the literal text to expect + @param[in] length the length of the passed literal text + @param[in] return_type the token type to return on success + */ + JSON_HEDLEY_NON_NULL(2) + token_type scan_literal(const char_type* literal_text, const std::size_t length, + token_type return_type) + { + JSON_ASSERT(std::char_traits::to_char_type(current) == literal_text[0]); + for (std::size_t i = 1; i < length; ++i) + { + if (JSON_HEDLEY_UNLIKELY(std::char_traits::to_char_type(get()) != literal_text[i])) + { + error_message = "invalid literal"; + return token_type::parse_error; + } + } + return return_type; + } + + ///////////////////// + // input management + ///////////////////// + + /// reset token_buffer; current character is beginning of token + void reset() noexcept + { + token_buffer.clear(); + token_string.clear(); + token_string.push_back(std::char_traits::to_char_type(current)); + } + + /* + @brief get next character from the input + + This function provides the interface to the used input adapter. It does + not throw in case the input reached EOF, but returns a + `std::char_traits::eof()` in that case. Stores the scanned characters + for use in error messages. + + @return character read from the input + */ + char_int_type get() + { + ++position.chars_read_total; + ++position.chars_read_current_line; + + if (next_unget) + { + // just reset the next_unget variable and work with current + next_unget = false; + } + else + { + current = ia.get_character(); + } + + if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) + { + token_string.push_back(std::char_traits::to_char_type(current)); + } + + if (current == '\n') + { + ++position.lines_read; + position.chars_read_current_line = 0; + } + + return current; + } + + /*! + @brief unget current character (read it again on next get) + + We implement unget by setting variable next_unget to true. The input is not + changed - we just simulate ungetting by modifying chars_read_total, + chars_read_current_line, and token_string. The next call to get() will + behave as if the unget character is read again. + */ + void unget() + { + next_unget = true; + + --position.chars_read_total; + + // in case we "unget" a newline, we have to also decrement the lines_read + if (position.chars_read_current_line == 0) + { + if (position.lines_read > 0) + { + --position.lines_read; + } + } + else + { + --position.chars_read_current_line; + } + + if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) + { + JSON_ASSERT(!token_string.empty()); + token_string.pop_back(); + } + } + + /// add a character to token_buffer + void add(char_int_type c) + { + token_buffer.push_back(static_cast(c)); + } + + public: + ///////////////////// + // value getters + ///////////////////// + + /// return integer value + constexpr number_integer_t get_number_integer() const noexcept + { + return value_integer; + } + + /// return unsigned integer value + constexpr number_unsigned_t get_number_unsigned() const noexcept + { + return value_unsigned; + } + + /// return floating-point value + constexpr number_float_t get_number_float() const noexcept + { + return value_float; + } + + /// return current string value (implicitly resets the token; useful only once) + string_t& get_string() + { + return token_buffer; + } + + ///////////////////// + // diagnostics + ///////////////////// + + /// return position of last read token + constexpr position_t get_position() const noexcept + { + return position; + } + + /// return the last read token (for errors only). Will never contain EOF + /// (an arbitrary value that is not a valid char value, often -1), because + /// 255 may legitimately occur. May contain NUL, which should be escaped. + std::string get_token_string() const + { + // escape control characters + std::string result; + for (const auto c : token_string) + { + if (static_cast(c) <= '\x1F') + { + // escape control characters + std::array cs{{}}; + (std::snprintf)(cs.data(), cs.size(), "", static_cast(c)); + result += cs.data(); + } + else + { + // add character as is + result.push_back(static_cast(c)); + } + } + + return result; + } + + /// return syntax error message + JSON_HEDLEY_RETURNS_NON_NULL + constexpr const char* get_error_message() const noexcept + { + return error_message; + } + + ///////////////////// + // actual scanner + ///////////////////// + + /*! + @brief skip the UTF-8 byte order mark + @return true iff there is no BOM or the correct BOM has been skipped + */ + bool skip_bom() + { + if (get() == 0xEF) + { + // check if we completely parse the BOM + return get() == 0xBB && get() == 0xBF; + } + + // the first character is not the beginning of the BOM; unget it to + // process is later + unget(); + return true; + } + + void skip_whitespace() + { + do + { + get(); + } + while (current == ' ' || current == '\t' || current == '\n' || current == '\r'); + } + + token_type scan() + { + // initially, skip the BOM + if (position.chars_read_total == 0 && !skip_bom()) + { + error_message = "invalid BOM; must be 0xEF 0xBB 0xBF if given"; + return token_type::parse_error; + } + + // read next character and ignore whitespace + skip_whitespace(); + + // ignore comments + while (ignore_comments && current == '/') + { + if (!scan_comment()) + { + return token_type::parse_error; + } + + // skip following whitespace + skip_whitespace(); + } + + switch (current) + { + // structural characters + case '[': + return token_type::begin_array; + case ']': + return token_type::end_array; + case '{': + return token_type::begin_object; + case '}': + return token_type::end_object; + case ':': + return token_type::name_separator; + case ',': + return token_type::value_separator; + + // literals + case 't': + { + std::array true_literal = {{'t', 'r', 'u', 'e'}}; + return scan_literal(true_literal.data(), true_literal.size(), token_type::literal_true); + } + case 'f': + { + std::array false_literal = {{'f', 'a', 'l', 's', 'e'}}; + return scan_literal(false_literal.data(), false_literal.size(), token_type::literal_false); + } + case 'n': + { + std::array null_literal = {{'n', 'u', 'l', 'l'}}; + return scan_literal(null_literal.data(), null_literal.size(), token_type::literal_null); + } + + // string + case '\"': + return scan_string(); + + // number + case '-': + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + return scan_number(); + + // end of input (the null byte is needed when parsing from + // string literals) + case '\0': + case std::char_traits::eof(): + return token_type::end_of_input; + + // error + default: + error_message = "invalid literal"; + return token_type::parse_error; + } + } + + private: + /// input adapter + InputAdapterType ia; + + /// whether comments should be ignored (true) or signaled as errors (false) + const bool ignore_comments = false; + + /// the current character + char_int_type current = std::char_traits::eof(); + + /// whether the next get() call should just return current + bool next_unget = false; + + /// the start position of the current token + position_t position {}; + + /// raw input token string (for error messages) + std::vector token_string {}; + + /// buffer for variable-length tokens (numbers, strings) + string_t token_buffer {}; + + /// a description of occurred lexer errors + const char* error_message = ""; + + // number values + number_integer_t value_integer = 0; + number_unsigned_t value_unsigned = 0; + number_float_t value_float = 0; + + /// the decimal point + const char_int_type decimal_point_char = '.'; +}; +} // namespace detail +} // namespace nlohmann + +// #include + +// #include + + +#include // size_t +#include // declval +#include // string + +// #include + +// #include + + +namespace nlohmann +{ +namespace detail +{ +template +using null_function_t = decltype(std::declval().null()); + +template +using boolean_function_t = + decltype(std::declval().boolean(std::declval())); + +template +using number_integer_function_t = + decltype(std::declval().number_integer(std::declval())); + +template +using number_unsigned_function_t = + decltype(std::declval().number_unsigned(std::declval())); + +template +using number_float_function_t = decltype(std::declval().number_float( + std::declval(), std::declval())); + +template +using string_function_t = + decltype(std::declval().string(std::declval())); + +template +using binary_function_t = + decltype(std::declval().binary(std::declval())); + +template +using start_object_function_t = + decltype(std::declval().start_object(std::declval())); + +template +using key_function_t = + decltype(std::declval().key(std::declval())); + +template +using end_object_function_t = decltype(std::declval().end_object()); + +template +using start_array_function_t = + decltype(std::declval().start_array(std::declval())); + +template +using end_array_function_t = decltype(std::declval().end_array()); + +template +using parse_error_function_t = decltype(std::declval().parse_error( + std::declval(), std::declval(), + std::declval())); + +template +struct is_sax +{ + private: + static_assert(is_basic_json::value, + "BasicJsonType must be of type basic_json<...>"); + + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + using exception_t = typename BasicJsonType::exception; + + public: + static constexpr bool value = + is_detected_exact::value && + is_detected_exact::value && + is_detected_exact::value && + is_detected_exact::value && + is_detected_exact::value && + is_detected_exact::value && + is_detected_exact::value && + is_detected_exact::value && + is_detected_exact::value && + is_detected_exact::value && + is_detected_exact::value && + is_detected_exact::value && + is_detected_exact::value; +}; + +template +struct is_sax_static_asserts +{ + private: + static_assert(is_basic_json::value, + "BasicJsonType must be of type basic_json<...>"); + + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + using exception_t = typename BasicJsonType::exception; + + public: + static_assert(is_detected_exact::value, + "Missing/invalid function: bool null()"); + static_assert(is_detected_exact::value, + "Missing/invalid function: bool boolean(bool)"); + static_assert(is_detected_exact::value, + "Missing/invalid function: bool boolean(bool)"); + static_assert( + is_detected_exact::value, + "Missing/invalid function: bool number_integer(number_integer_t)"); + static_assert( + is_detected_exact::value, + "Missing/invalid function: bool number_unsigned(number_unsigned_t)"); + static_assert(is_detected_exact::value, + "Missing/invalid function: bool number_float(number_float_t, const string_t&)"); + static_assert( + is_detected_exact::value, + "Missing/invalid function: bool string(string_t&)"); + static_assert( + is_detected_exact::value, + "Missing/invalid function: bool binary(binary_t&)"); + static_assert(is_detected_exact::value, + "Missing/invalid function: bool start_object(std::size_t)"); + static_assert(is_detected_exact::value, + "Missing/invalid function: bool key(string_t&)"); + static_assert(is_detected_exact::value, + "Missing/invalid function: bool end_object()"); + static_assert(is_detected_exact::value, + "Missing/invalid function: bool start_array(std::size_t)"); + static_assert(is_detected_exact::value, + "Missing/invalid function: bool end_array()"); + static_assert( + is_detected_exact::value, + "Missing/invalid function: bool parse_error(std::size_t, const " + "std::string&, const exception&)"); +}; +} // namespace detail +} // namespace nlohmann + +// #include + + +namespace nlohmann +{ +namespace detail +{ + +/// how to treat CBOR tags +enum class cbor_tag_handler_t +{ + error, ///< throw a parse_error exception in case of a tag + ignore ///< ignore tags +}; + +/*! +@brief determine system byte order + +@return true if and only if system's byte order is little endian + +@note from https://stackoverflow.com/a/1001328/266378 +*/ +static inline bool little_endianess(int num = 1) noexcept +{ + return *reinterpret_cast(&num) == 1; +} + + +/////////////////// +// binary reader // +/////////////////// + +/*! +@brief deserialization of CBOR, MessagePack, and UBJSON values +*/ +template> +class binary_reader +{ + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + using json_sax_t = SAX; + using char_type = typename InputAdapterType::char_type; + using char_int_type = typename std::char_traits::int_type; + + public: + /*! + @brief create a binary reader + + @param[in] adapter input adapter to read from + */ + explicit binary_reader(InputAdapterType&& adapter) : ia(std::move(adapter)) + { + (void)detail::is_sax_static_asserts {}; + } + + // make class move-only + binary_reader(const binary_reader&) = delete; + binary_reader(binary_reader&&) = default; + binary_reader& operator=(const binary_reader&) = delete; + binary_reader& operator=(binary_reader&&) = default; + ~binary_reader() = default; + + /*! + @param[in] format the binary format to parse + @param[in] sax_ a SAX event processor + @param[in] strict whether to expect the input to be consumed completed + @param[in] tag_handler how to treat CBOR tags + + @return + */ + JSON_HEDLEY_NON_NULL(3) + bool sax_parse(const input_format_t format, + json_sax_t* sax_, + const bool strict = true, + const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) + { + sax = sax_; + bool result = false; + + switch (format) + { + case input_format_t::bson: + result = parse_bson_internal(); + break; + + case input_format_t::cbor: + result = parse_cbor_internal(true, tag_handler); + break; + + case input_format_t::msgpack: + result = parse_msgpack_internal(); + break; + + case input_format_t::ubjson: + result = parse_ubjson_internal(); + break; + + default: // LCOV_EXCL_LINE + JSON_ASSERT(false); // LCOV_EXCL_LINE + } + + // strict mode: next byte must be EOF + if (result && strict) + { + if (format == input_format_t::ubjson) + { + get_ignore_noop(); + } + else + { + get(); + } + + if (JSON_HEDLEY_UNLIKELY(current != std::char_traits::eof())) + { + return sax->parse_error(chars_read, get_token_string(), + parse_error::create(110, chars_read, exception_message(format, "expected end of input; last byte: 0x" + get_token_string(), "value"))); + } + } + + return result; + } + + private: + ////////// + // BSON // + ////////// + + /*! + @brief Reads in a BSON-object and passes it to the SAX-parser. + @return whether a valid BSON-value was passed to the SAX parser + */ + bool parse_bson_internal() + { + std::int32_t document_size{}; + get_number(input_format_t::bson, document_size); + + if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) + { + return false; + } + + if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_list(/*is_array*/false))) + { + return false; + } + + return sax->end_object(); + } + + /*! + @brief Parses a C-style string from the BSON input. + @param[in, out] result A reference to the string variable where the read + string is to be stored. + @return `true` if the \x00-byte indicating the end of the string was + encountered before the EOF; false` indicates an unexpected EOF. + */ + bool get_bson_cstr(string_t& result) + { + auto out = std::back_inserter(result); + while (true) + { + get(); + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::bson, "cstring"))) + { + return false; + } + if (current == 0x00) + { + return true; + } + *out++ = static_cast(current); + } + } + + /*! + @brief Parses a zero-terminated string of length @a len from the BSON + input. + @param[in] len The length (including the zero-byte at the end) of the + string to be read. + @param[in, out] result A reference to the string variable where the read + string is to be stored. + @tparam NumberType The type of the length @a len + @pre len >= 1 + @return `true` if the string was successfully parsed + */ + template + bool get_bson_string(const NumberType len, string_t& result) + { + if (JSON_HEDLEY_UNLIKELY(len < 1)) + { + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "string length must be at least 1, is " + std::to_string(len), "string"))); + } + + return get_string(input_format_t::bson, len - static_cast(1), result) && get() != std::char_traits::eof(); + } + + /*! + @brief Parses a byte array input of length @a len from the BSON input. + @param[in] len The length of the byte array to be read. + @param[in, out] result A reference to the binary variable where the read + array is to be stored. + @tparam NumberType The type of the length @a len + @pre len >= 0 + @return `true` if the byte array was successfully parsed + */ + template + bool get_bson_binary(const NumberType len, binary_t& result) + { + if (JSON_HEDLEY_UNLIKELY(len < 0)) + { + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "byte array length cannot be negative, is " + std::to_string(len), "binary"))); + } + + // All BSON binary values have a subtype + std::uint8_t subtype{}; + get_number(input_format_t::bson, subtype); + result.set_subtype(subtype); + + return get_binary(input_format_t::bson, len, result); + } + + /*! + @brief Read a BSON document element of the given @a element_type. + @param[in] element_type The BSON element type, c.f. http://bsonspec.org/spec.html + @param[in] element_type_parse_position The position in the input stream, + where the `element_type` was read. + @warning Not all BSON element types are supported yet. An unsupported + @a element_type will give rise to a parse_error.114: + Unsupported BSON record type 0x... + @return whether a valid BSON-object/array was passed to the SAX parser + */ + bool parse_bson_element_internal(const char_int_type element_type, + const std::size_t element_type_parse_position) + { + switch (element_type) + { + case 0x01: // double + { + double number{}; + return get_number(input_format_t::bson, number) && sax->number_float(static_cast(number), ""); + } + + case 0x02: // string + { + std::int32_t len{}; + string_t value; + return get_number(input_format_t::bson, len) && get_bson_string(len, value) && sax->string(value); + } + + case 0x03: // object + { + return parse_bson_internal(); + } + + case 0x04: // array + { + return parse_bson_array(); + } + + case 0x05: // binary + { + std::int32_t len{}; + binary_t value; + return get_number(input_format_t::bson, len) && get_bson_binary(len, value) && sax->binary(value); + } + + case 0x08: // boolean + { + return sax->boolean(get() != 0); + } + + case 0x0A: // null + { + return sax->null(); + } + + case 0x10: // int32 + { + std::int32_t value{}; + return get_number(input_format_t::bson, value) && sax->number_integer(value); + } + + case 0x12: // int64 + { + std::int64_t value{}; + return get_number(input_format_t::bson, value) && sax->number_integer(value); + } + + default: // anything else not supported (yet) + { + std::array cr{{}}; + (std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast(element_type)); + return sax->parse_error(element_type_parse_position, std::string(cr.data()), parse_error::create(114, element_type_parse_position, "Unsupported BSON record type 0x" + std::string(cr.data()))); + } + } + } + + /*! + @brief Read a BSON element list (as specified in the BSON-spec) + + The same binary layout is used for objects and arrays, hence it must be + indicated with the argument @a is_array which one is expected + (true --> array, false --> object). + + @param[in] is_array Determines if the element list being read is to be + treated as an object (@a is_array == false), or as an + array (@a is_array == true). + @return whether a valid BSON-object/array was passed to the SAX parser + */ + bool parse_bson_element_list(const bool is_array) + { + string_t key; + + while (auto element_type = get()) + { + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::bson, "element list"))) + { + return false; + } + + const std::size_t element_type_parse_position = chars_read; + if (JSON_HEDLEY_UNLIKELY(!get_bson_cstr(key))) + { + return false; + } + + if (!is_array && !sax->key(key)) + { + return false; + } + + if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_internal(element_type, element_type_parse_position))) + { + return false; + } + + // get_bson_cstr only appends + key.clear(); + } + + return true; + } + + /*! + @brief Reads an array from the BSON input and passes it to the SAX-parser. + @return whether a valid BSON-array was passed to the SAX parser + */ + bool parse_bson_array() + { + std::int32_t document_size{}; + get_number(input_format_t::bson, document_size); + + if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) + { + return false; + } + + if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_list(/*is_array*/true))) + { + return false; + } + + return sax->end_array(); + } + + ////////// + // CBOR // + ////////// + + /*! + @param[in] get_char whether a new character should be retrieved from the + input (true) or whether the last read character should + be considered instead (false) + @param[in] tag_handler how CBOR tags should be treated + + @return whether a valid CBOR value was passed to the SAX parser + */ + bool parse_cbor_internal(const bool get_char, + const cbor_tag_handler_t tag_handler) + { + switch (get_char ? get() : current) + { + // EOF + case std::char_traits::eof(): + return unexpect_eof(input_format_t::cbor, "value"); + + // Integer 0x00..0x17 (0..23) + case 0x00: + case 0x01: + case 0x02: + case 0x03: + case 0x04: + case 0x05: + case 0x06: + case 0x07: + case 0x08: + case 0x09: + case 0x0A: + case 0x0B: + case 0x0C: + case 0x0D: + case 0x0E: + case 0x0F: + case 0x10: + case 0x11: + case 0x12: + case 0x13: + case 0x14: + case 0x15: + case 0x16: + case 0x17: + return sax->number_unsigned(static_cast(current)); + + case 0x18: // Unsigned integer (one-byte uint8_t follows) + { + std::uint8_t number{}; + return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); + } + + case 0x19: // Unsigned integer (two-byte uint16_t follows) + { + std::uint16_t number{}; + return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); + } + + case 0x1A: // Unsigned integer (four-byte uint32_t follows) + { + std::uint32_t number{}; + return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); + } + + case 0x1B: // Unsigned integer (eight-byte uint64_t follows) + { + std::uint64_t number{}; + return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); + } + + // Negative integer -1-0x00..-1-0x17 (-1..-24) + case 0x20: + case 0x21: + case 0x22: + case 0x23: + case 0x24: + case 0x25: + case 0x26: + case 0x27: + case 0x28: + case 0x29: + case 0x2A: + case 0x2B: + case 0x2C: + case 0x2D: + case 0x2E: + case 0x2F: + case 0x30: + case 0x31: + case 0x32: + case 0x33: + case 0x34: + case 0x35: + case 0x36: + case 0x37: + return sax->number_integer(static_cast(0x20 - 1 - current)); + + case 0x38: // Negative integer (one-byte uint8_t follows) + { + std::uint8_t number{}; + return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); + } + + case 0x39: // Negative integer -1-n (two-byte uint16_t follows) + { + std::uint16_t number{}; + return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); + } + + case 0x3A: // Negative integer -1-n (four-byte uint32_t follows) + { + std::uint32_t number{}; + return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); + } + + case 0x3B: // Negative integer -1-n (eight-byte uint64_t follows) + { + std::uint64_t number{}; + return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) + - static_cast(number)); + } + + // Binary data (0x00..0x17 bytes follow) + case 0x40: + case 0x41: + case 0x42: + case 0x43: + case 0x44: + case 0x45: + case 0x46: + case 0x47: + case 0x48: + case 0x49: + case 0x4A: + case 0x4B: + case 0x4C: + case 0x4D: + case 0x4E: + case 0x4F: + case 0x50: + case 0x51: + case 0x52: + case 0x53: + case 0x54: + case 0x55: + case 0x56: + case 0x57: + case 0x58: // Binary data (one-byte uint8_t for n follows) + case 0x59: // Binary data (two-byte uint16_t for n follow) + case 0x5A: // Binary data (four-byte uint32_t for n follow) + case 0x5B: // Binary data (eight-byte uint64_t for n follow) + case 0x5F: // Binary data (indefinite length) + { + binary_t b; + return get_cbor_binary(b) && sax->binary(b); + } + + // UTF-8 string (0x00..0x17 bytes follow) + case 0x60: + case 0x61: + case 0x62: + case 0x63: + case 0x64: + case 0x65: + case 0x66: + case 0x67: + case 0x68: + case 0x69: + case 0x6A: + case 0x6B: + case 0x6C: + case 0x6D: + case 0x6E: + case 0x6F: + case 0x70: + case 0x71: + case 0x72: + case 0x73: + case 0x74: + case 0x75: + case 0x76: + case 0x77: + case 0x78: // UTF-8 string (one-byte uint8_t for n follows) + case 0x79: // UTF-8 string (two-byte uint16_t for n follow) + case 0x7A: // UTF-8 string (four-byte uint32_t for n follow) + case 0x7B: // UTF-8 string (eight-byte uint64_t for n follow) + case 0x7F: // UTF-8 string (indefinite length) + { + string_t s; + return get_cbor_string(s) && sax->string(s); + } + + // array (0x00..0x17 data items follow) + case 0x80: + case 0x81: + case 0x82: + case 0x83: + case 0x84: + case 0x85: + case 0x86: + case 0x87: + case 0x88: + case 0x89: + case 0x8A: + case 0x8B: + case 0x8C: + case 0x8D: + case 0x8E: + case 0x8F: + case 0x90: + case 0x91: + case 0x92: + case 0x93: + case 0x94: + case 0x95: + case 0x96: + case 0x97: + return get_cbor_array(static_cast(static_cast(current) & 0x1Fu), tag_handler); + + case 0x98: // array (one-byte uint8_t for n follows) + { + std::uint8_t len{}; + return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); + } + + case 0x99: // array (two-byte uint16_t for n follow) + { + std::uint16_t len{}; + return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); + } + + case 0x9A: // array (four-byte uint32_t for n follow) + { + std::uint32_t len{}; + return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); + } + + case 0x9B: // array (eight-byte uint64_t for n follow) + { + std::uint64_t len{}; + return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); + } + + case 0x9F: // array (indefinite length) + return get_cbor_array(std::size_t(-1), tag_handler); + + // map (0x00..0x17 pairs of data items follow) + case 0xA0: + case 0xA1: + case 0xA2: + case 0xA3: + case 0xA4: + case 0xA5: + case 0xA6: + case 0xA7: + case 0xA8: + case 0xA9: + case 0xAA: + case 0xAB: + case 0xAC: + case 0xAD: + case 0xAE: + case 0xAF: + case 0xB0: + case 0xB1: + case 0xB2: + case 0xB3: + case 0xB4: + case 0xB5: + case 0xB6: + case 0xB7: + return get_cbor_object(static_cast(static_cast(current) & 0x1Fu), tag_handler); + + case 0xB8: // map (one-byte uint8_t for n follows) + { + std::uint8_t len{}; + return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); + } + + case 0xB9: // map (two-byte uint16_t for n follow) + { + std::uint16_t len{}; + return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); + } + + case 0xBA: // map (four-byte uint32_t for n follow) + { + std::uint32_t len{}; + return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); + } + + case 0xBB: // map (eight-byte uint64_t for n follow) + { + std::uint64_t len{}; + return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); + } + + case 0xBF: // map (indefinite length) + return get_cbor_object(std::size_t(-1), tag_handler); + + case 0xC6: // tagged item + case 0xC7: + case 0xC8: + case 0xC9: + case 0xCA: + case 0xCB: + case 0xCC: + case 0xCD: + case 0xCE: + case 0xCF: + case 0xD0: + case 0xD1: + case 0xD2: + case 0xD3: + case 0xD4: + case 0xD8: // tagged item (1 bytes follow) + case 0xD9: // tagged item (2 bytes follow) + case 0xDA: // tagged item (4 bytes follow) + case 0xDB: // tagged item (8 bytes follow) + { + switch (tag_handler) + { + case cbor_tag_handler_t::error: + { + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"))); + } + + case cbor_tag_handler_t::ignore: + { + switch (current) + { + case 0xD8: + { + std::uint8_t len{}; + get_number(input_format_t::cbor, len); + break; + } + case 0xD9: + { + std::uint16_t len{}; + get_number(input_format_t::cbor, len); + break; + } + case 0xDA: + { + std::uint32_t len{}; + get_number(input_format_t::cbor, len); + break; + } + case 0xDB: + { + std::uint64_t len{}; + get_number(input_format_t::cbor, len); + break; + } + default: + break; + } + return parse_cbor_internal(true, tag_handler); + } + + default: // LCOV_EXCL_LINE + JSON_ASSERT(false); // LCOV_EXCL_LINE + } + } + + case 0xF4: // false + return sax->boolean(false); + + case 0xF5: // true + return sax->boolean(true); + + case 0xF6: // null + return sax->null(); + + case 0xF9: // Half-Precision Float (two-byte IEEE 754) + { + const auto byte1_raw = get(); + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "number"))) + { + return false; + } + const auto byte2_raw = get(); + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "number"))) + { + return false; + } + + const auto byte1 = static_cast(byte1_raw); + const auto byte2 = static_cast(byte2_raw); + + // code from RFC 7049, Appendix D, Figure 3: + // As half-precision floating-point numbers were only added + // to IEEE 754 in 2008, today's programming platforms often + // still only have limited support for them. It is very + // easy to include at least decoding support for them even + // without such support. An example of a small decoder for + // half-precision floating-point numbers in the C language + // is shown in Fig. 3. + const auto half = static_cast((byte1 << 8u) + byte2); + const double val = [&half] + { + const int exp = (half >> 10u) & 0x1Fu; + const unsigned int mant = half & 0x3FFu; + JSON_ASSERT(0 <= exp&& exp <= 32); + JSON_ASSERT(mant <= 1024); + switch (exp) + { + case 0: + return std::ldexp(mant, -24); + case 31: + return (mant == 0) + ? std::numeric_limits::infinity() + : std::numeric_limits::quiet_NaN(); + default: + return std::ldexp(mant + 1024, exp - 25); + } + }(); + return sax->number_float((half & 0x8000u) != 0 + ? static_cast(-val) + : static_cast(val), ""); + } + + case 0xFA: // Single-Precision Float (four-byte IEEE 754) + { + float number{}; + return get_number(input_format_t::cbor, number) && sax->number_float(static_cast(number), ""); + } + + case 0xFB: // Double-Precision Float (eight-byte IEEE 754) + { + double number{}; + return get_number(input_format_t::cbor, number) && sax->number_float(static_cast(number), ""); + } + + default: // anything else (0xFF is handled inside the other types) + { + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"))); + } + } + } + + /*! + @brief reads a CBOR string + + This function first reads starting bytes to determine the expected + string length and then copies this number of bytes into a string. + Additionally, CBOR's strings with indefinite lengths are supported. + + @param[out] result created string + + @return whether string creation completed + */ + bool get_cbor_string(string_t& result) + { + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "string"))) + { + return false; + } + + switch (current) + { + // UTF-8 string (0x00..0x17 bytes follow) + case 0x60: + case 0x61: + case 0x62: + case 0x63: + case 0x64: + case 0x65: + case 0x66: + case 0x67: + case 0x68: + case 0x69: + case 0x6A: + case 0x6B: + case 0x6C: + case 0x6D: + case 0x6E: + case 0x6F: + case 0x70: + case 0x71: + case 0x72: + case 0x73: + case 0x74: + case 0x75: + case 0x76: + case 0x77: + { + return get_string(input_format_t::cbor, static_cast(current) & 0x1Fu, result); + } + + case 0x78: // UTF-8 string (one-byte uint8_t for n follows) + { + std::uint8_t len{}; + return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); + } + + case 0x79: // UTF-8 string (two-byte uint16_t for n follow) + { + std::uint16_t len{}; + return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); + } + + case 0x7A: // UTF-8 string (four-byte uint32_t for n follow) + { + std::uint32_t len{}; + return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); + } + + case 0x7B: // UTF-8 string (eight-byte uint64_t for n follow) + { + std::uint64_t len{}; + return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); + } + + case 0x7F: // UTF-8 string (indefinite length) + { + while (get() != 0xFF) + { + string_t chunk; + if (!get_cbor_string(chunk)) + { + return false; + } + result.append(chunk); + } + return true; + } + + default: + { + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0x" + last_token, "string"))); + } + } + } + + /*! + @brief reads a CBOR byte array + + This function first reads starting bytes to determine the expected + byte array length and then copies this number of bytes into the byte array. + Additionally, CBOR's byte arrays with indefinite lengths are supported. + + @param[out] result created byte array + + @return whether byte array creation completed + */ + bool get_cbor_binary(binary_t& result) + { + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "binary"))) + { + return false; + } + + switch (current) + { + // Binary data (0x00..0x17 bytes follow) + case 0x40: + case 0x41: + case 0x42: + case 0x43: + case 0x44: + case 0x45: + case 0x46: + case 0x47: + case 0x48: + case 0x49: + case 0x4A: + case 0x4B: + case 0x4C: + case 0x4D: + case 0x4E: + case 0x4F: + case 0x50: + case 0x51: + case 0x52: + case 0x53: + case 0x54: + case 0x55: + case 0x56: + case 0x57: + { + return get_binary(input_format_t::cbor, static_cast(current) & 0x1Fu, result); + } + + case 0x58: // Binary data (one-byte uint8_t for n follows) + { + std::uint8_t len{}; + return get_number(input_format_t::cbor, len) && + get_binary(input_format_t::cbor, len, result); + } + + case 0x59: // Binary data (two-byte uint16_t for n follow) + { + std::uint16_t len{}; + return get_number(input_format_t::cbor, len) && + get_binary(input_format_t::cbor, len, result); + } + + case 0x5A: // Binary data (four-byte uint32_t for n follow) + { + std::uint32_t len{}; + return get_number(input_format_t::cbor, len) && + get_binary(input_format_t::cbor, len, result); + } + + case 0x5B: // Binary data (eight-byte uint64_t for n follow) + { + std::uint64_t len{}; + return get_number(input_format_t::cbor, len) && + get_binary(input_format_t::cbor, len, result); + } + + case 0x5F: // Binary data (indefinite length) + { + while (get() != 0xFF) + { + binary_t chunk; + if (!get_cbor_binary(chunk)) + { + return false; + } + result.insert(result.end(), chunk.begin(), chunk.end()); + } + return true; + } + + default: + { + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x40-0x5B) or indefinite binary array type (0x5F); last byte: 0x" + last_token, "binary"))); + } + } + } + + /*! + @param[in] len the length of the array or std::size_t(-1) for an + array of indefinite size + @param[in] tag_handler how CBOR tags should be treated + @return whether array creation completed + */ + bool get_cbor_array(const std::size_t len, + const cbor_tag_handler_t tag_handler) + { + if (JSON_HEDLEY_UNLIKELY(!sax->start_array(len))) + { + return false; + } + + if (len != std::size_t(-1)) + { + for (std::size_t i = 0; i < len; ++i) + { + if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) + { + return false; + } + } + } + else + { + while (get() != 0xFF) + { + if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(false, tag_handler))) + { + return false; + } + } + } + + return sax->end_array(); + } + + /*! + @param[in] len the length of the object or std::size_t(-1) for an + object of indefinite size + @param[in] tag_handler how CBOR tags should be treated + @return whether object creation completed + */ + bool get_cbor_object(const std::size_t len, + const cbor_tag_handler_t tag_handler) + { + if (JSON_HEDLEY_UNLIKELY(!sax->start_object(len))) + { + return false; + } + + string_t key; + if (len != std::size_t(-1)) + { + for (std::size_t i = 0; i < len; ++i) + { + get(); + if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key))) + { + return false; + } + + if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) + { + return false; + } + key.clear(); + } + } + else + { + while (get() != 0xFF) + { + if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key))) + { + return false; + } + + if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) + { + return false; + } + key.clear(); + } + } + + return sax->end_object(); + } + + ///////////// + // MsgPack // + ///////////// + + /*! + @return whether a valid MessagePack value was passed to the SAX parser + */ + bool parse_msgpack_internal() + { + switch (get()) + { + // EOF + case std::char_traits::eof(): + return unexpect_eof(input_format_t::msgpack, "value"); + + // positive fixint + case 0x00: + case 0x01: + case 0x02: + case 0x03: + case 0x04: + case 0x05: + case 0x06: + case 0x07: + case 0x08: + case 0x09: + case 0x0A: + case 0x0B: + case 0x0C: + case 0x0D: + case 0x0E: + case 0x0F: + case 0x10: + case 0x11: + case 0x12: + case 0x13: + case 0x14: + case 0x15: + case 0x16: + case 0x17: + case 0x18: + case 0x19: + case 0x1A: + case 0x1B: + case 0x1C: + case 0x1D: + case 0x1E: + case 0x1F: + case 0x20: + case 0x21: + case 0x22: + case 0x23: + case 0x24: + case 0x25: + case 0x26: + case 0x27: + case 0x28: + case 0x29: + case 0x2A: + case 0x2B: + case 0x2C: + case 0x2D: + case 0x2E: + case 0x2F: + case 0x30: + case 0x31: + case 0x32: + case 0x33: + case 0x34: + case 0x35: + case 0x36: + case 0x37: + case 0x38: + case 0x39: + case 0x3A: + case 0x3B: + case 0x3C: + case 0x3D: + case 0x3E: + case 0x3F: + case 0x40: + case 0x41: + case 0x42: + case 0x43: + case 0x44: + case 0x45: + case 0x46: + case 0x47: + case 0x48: + case 0x49: + case 0x4A: + case 0x4B: + case 0x4C: + case 0x4D: + case 0x4E: + case 0x4F: + case 0x50: + case 0x51: + case 0x52: + case 0x53: + case 0x54: + case 0x55: + case 0x56: + case 0x57: + case 0x58: + case 0x59: + case 0x5A: + case 0x5B: + case 0x5C: + case 0x5D: + case 0x5E: + case 0x5F: + case 0x60: + case 0x61: + case 0x62: + case 0x63: + case 0x64: + case 0x65: + case 0x66: + case 0x67: + case 0x68: + case 0x69: + case 0x6A: + case 0x6B: + case 0x6C: + case 0x6D: + case 0x6E: + case 0x6F: + case 0x70: + case 0x71: + case 0x72: + case 0x73: + case 0x74: + case 0x75: + case 0x76: + case 0x77: + case 0x78: + case 0x79: + case 0x7A: + case 0x7B: + case 0x7C: + case 0x7D: + case 0x7E: + case 0x7F: + return sax->number_unsigned(static_cast(current)); + + // fixmap + case 0x80: + case 0x81: + case 0x82: + case 0x83: + case 0x84: + case 0x85: + case 0x86: + case 0x87: + case 0x88: + case 0x89: + case 0x8A: + case 0x8B: + case 0x8C: + case 0x8D: + case 0x8E: + case 0x8F: + return get_msgpack_object(static_cast(static_cast(current) & 0x0Fu)); + + // fixarray + case 0x90: + case 0x91: + case 0x92: + case 0x93: + case 0x94: + case 0x95: + case 0x96: + case 0x97: + case 0x98: + case 0x99: + case 0x9A: + case 0x9B: + case 0x9C: + case 0x9D: + case 0x9E: + case 0x9F: + return get_msgpack_array(static_cast(static_cast(current) & 0x0Fu)); + + // fixstr + case 0xA0: + case 0xA1: + case 0xA2: + case 0xA3: + case 0xA4: + case 0xA5: + case 0xA6: + case 0xA7: + case 0xA8: + case 0xA9: + case 0xAA: + case 0xAB: + case 0xAC: + case 0xAD: + case 0xAE: + case 0xAF: + case 0xB0: + case 0xB1: + case 0xB2: + case 0xB3: + case 0xB4: + case 0xB5: + case 0xB6: + case 0xB7: + case 0xB8: + case 0xB9: + case 0xBA: + case 0xBB: + case 0xBC: + case 0xBD: + case 0xBE: + case 0xBF: + case 0xD9: // str 8 + case 0xDA: // str 16 + case 0xDB: // str 32 + { + string_t s; + return get_msgpack_string(s) && sax->string(s); + } + + case 0xC0: // nil + return sax->null(); + + case 0xC2: // false + return sax->boolean(false); + + case 0xC3: // true + return sax->boolean(true); + + case 0xC4: // bin 8 + case 0xC5: // bin 16 + case 0xC6: // bin 32 + case 0xC7: // ext 8 + case 0xC8: // ext 16 + case 0xC9: // ext 32 + case 0xD4: // fixext 1 + case 0xD5: // fixext 2 + case 0xD6: // fixext 4 + case 0xD7: // fixext 8 + case 0xD8: // fixext 16 + { + binary_t b; + return get_msgpack_binary(b) && sax->binary(b); + } + + case 0xCA: // float 32 + { + float number{}; + return get_number(input_format_t::msgpack, number) && sax->number_float(static_cast(number), ""); + } + + case 0xCB: // float 64 + { + double number{}; + return get_number(input_format_t::msgpack, number) && sax->number_float(static_cast(number), ""); + } + + case 0xCC: // uint 8 + { + std::uint8_t number{}; + return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); + } + + case 0xCD: // uint 16 + { + std::uint16_t number{}; + return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); + } + + case 0xCE: // uint 32 + { + std::uint32_t number{}; + return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); + } + + case 0xCF: // uint 64 + { + std::uint64_t number{}; + return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); + } + + case 0xD0: // int 8 + { + std::int8_t number{}; + return get_number(input_format_t::msgpack, number) && sax->number_integer(number); + } + + case 0xD1: // int 16 + { + std::int16_t number{}; + return get_number(input_format_t::msgpack, number) && sax->number_integer(number); + } + + case 0xD2: // int 32 + { + std::int32_t number{}; + return get_number(input_format_t::msgpack, number) && sax->number_integer(number); + } + + case 0xD3: // int 64 + { + std::int64_t number{}; + return get_number(input_format_t::msgpack, number) && sax->number_integer(number); + } + + case 0xDC: // array 16 + { + std::uint16_t len{}; + return get_number(input_format_t::msgpack, len) && get_msgpack_array(static_cast(len)); + } + + case 0xDD: // array 32 + { + std::uint32_t len{}; + return get_number(input_format_t::msgpack, len) && get_msgpack_array(static_cast(len)); + } + + case 0xDE: // map 16 + { + std::uint16_t len{}; + return get_number(input_format_t::msgpack, len) && get_msgpack_object(static_cast(len)); + } + + case 0xDF: // map 32 + { + std::uint32_t len{}; + return get_number(input_format_t::msgpack, len) && get_msgpack_object(static_cast(len)); + } + + // negative fixint + case 0xE0: + case 0xE1: + case 0xE2: + case 0xE3: + case 0xE4: + case 0xE5: + case 0xE6: + case 0xE7: + case 0xE8: + case 0xE9: + case 0xEA: + case 0xEB: + case 0xEC: + case 0xED: + case 0xEE: + case 0xEF: + case 0xF0: + case 0xF1: + case 0xF2: + case 0xF3: + case 0xF4: + case 0xF5: + case 0xF6: + case 0xF7: + case 0xF8: + case 0xF9: + case 0xFA: + case 0xFB: + case 0xFC: + case 0xFD: + case 0xFE: + case 0xFF: + return sax->number_integer(static_cast(current)); + + default: // anything else + { + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::msgpack, "invalid byte: 0x" + last_token, "value"))); + } + } + } + + /*! + @brief reads a MessagePack string + + This function first reads starting bytes to determine the expected + string length and then copies this number of bytes into a string. + + @param[out] result created string + + @return whether string creation completed + */ + bool get_msgpack_string(string_t& result) + { + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::msgpack, "string"))) + { + return false; + } + + switch (current) + { + // fixstr + case 0xA0: + case 0xA1: + case 0xA2: + case 0xA3: + case 0xA4: + case 0xA5: + case 0xA6: + case 0xA7: + case 0xA8: + case 0xA9: + case 0xAA: + case 0xAB: + case 0xAC: + case 0xAD: + case 0xAE: + case 0xAF: + case 0xB0: + case 0xB1: + case 0xB2: + case 0xB3: + case 0xB4: + case 0xB5: + case 0xB6: + case 0xB7: + case 0xB8: + case 0xB9: + case 0xBA: + case 0xBB: + case 0xBC: + case 0xBD: + case 0xBE: + case 0xBF: + { + return get_string(input_format_t::msgpack, static_cast(current) & 0x1Fu, result); + } + + case 0xD9: // str 8 + { + std::uint8_t len{}; + return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); + } + + case 0xDA: // str 16 + { + std::uint16_t len{}; + return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); + } + + case 0xDB: // str 32 + { + std::uint32_t len{}; + return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); + } + + default: + { + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::msgpack, "expected length specification (0xA0-0xBF, 0xD9-0xDB); last byte: 0x" + last_token, "string"))); + } + } + } + + /*! + @brief reads a MessagePack byte array + + This function first reads starting bytes to determine the expected + byte array length and then copies this number of bytes into a byte array. + + @param[out] result created byte array + + @return whether byte array creation completed + */ + bool get_msgpack_binary(binary_t& result) + { + // helper function to set the subtype + auto assign_and_return_true = [&result](std::int8_t subtype) + { + result.set_subtype(static_cast(subtype)); + return true; + }; + + switch (current) + { + case 0xC4: // bin 8 + { + std::uint8_t len{}; + return get_number(input_format_t::msgpack, len) && + get_binary(input_format_t::msgpack, len, result); + } + + case 0xC5: // bin 16 + { + std::uint16_t len{}; + return get_number(input_format_t::msgpack, len) && + get_binary(input_format_t::msgpack, len, result); + } + + case 0xC6: // bin 32 + { + std::uint32_t len{}; + return get_number(input_format_t::msgpack, len) && + get_binary(input_format_t::msgpack, len, result); + } + + case 0xC7: // ext 8 + { + std::uint8_t len{}; + std::int8_t subtype{}; + return get_number(input_format_t::msgpack, len) && + get_number(input_format_t::msgpack, subtype) && + get_binary(input_format_t::msgpack, len, result) && + assign_and_return_true(subtype); + } + + case 0xC8: // ext 16 + { + std::uint16_t len{}; + std::int8_t subtype{}; + return get_number(input_format_t::msgpack, len) && + get_number(input_format_t::msgpack, subtype) && + get_binary(input_format_t::msgpack, len, result) && + assign_and_return_true(subtype); + } + + case 0xC9: // ext 32 + { + std::uint32_t len{}; + std::int8_t subtype{}; + return get_number(input_format_t::msgpack, len) && + get_number(input_format_t::msgpack, subtype) && + get_binary(input_format_t::msgpack, len, result) && + assign_and_return_true(subtype); + } + + case 0xD4: // fixext 1 + { + std::int8_t subtype{}; + return get_number(input_format_t::msgpack, subtype) && + get_binary(input_format_t::msgpack, 1, result) && + assign_and_return_true(subtype); + } + + case 0xD5: // fixext 2 + { + std::int8_t subtype{}; + return get_number(input_format_t::msgpack, subtype) && + get_binary(input_format_t::msgpack, 2, result) && + assign_and_return_true(subtype); + } + + case 0xD6: // fixext 4 + { + std::int8_t subtype{}; + return get_number(input_format_t::msgpack, subtype) && + get_binary(input_format_t::msgpack, 4, result) && + assign_and_return_true(subtype); + } + + case 0xD7: // fixext 8 + { + std::int8_t subtype{}; + return get_number(input_format_t::msgpack, subtype) && + get_binary(input_format_t::msgpack, 8, result) && + assign_and_return_true(subtype); + } + + case 0xD8: // fixext 16 + { + std::int8_t subtype{}; + return get_number(input_format_t::msgpack, subtype) && + get_binary(input_format_t::msgpack, 16, result) && + assign_and_return_true(subtype); + } + + default: // LCOV_EXCL_LINE + return false; // LCOV_EXCL_LINE + } + } + + /*! + @param[in] len the length of the array + @return whether array creation completed + */ + bool get_msgpack_array(const std::size_t len) + { + if (JSON_HEDLEY_UNLIKELY(!sax->start_array(len))) + { + return false; + } + + for (std::size_t i = 0; i < len; ++i) + { + if (JSON_HEDLEY_UNLIKELY(!parse_msgpack_internal())) + { + return false; + } + } + + return sax->end_array(); + } + + /*! + @param[in] len the length of the object + @return whether object creation completed + */ + bool get_msgpack_object(const std::size_t len) + { + if (JSON_HEDLEY_UNLIKELY(!sax->start_object(len))) + { + return false; + } + + string_t key; + for (std::size_t i = 0; i < len; ++i) + { + get(); + if (JSON_HEDLEY_UNLIKELY(!get_msgpack_string(key) || !sax->key(key))) + { + return false; + } + + if (JSON_HEDLEY_UNLIKELY(!parse_msgpack_internal())) + { + return false; + } + key.clear(); + } + + return sax->end_object(); + } + + //////////// + // UBJSON // + //////////// + + /*! + @param[in] get_char whether a new character should be retrieved from the + input (true, default) or whether the last read + character should be considered instead + + @return whether a valid UBJSON value was passed to the SAX parser + */ + bool parse_ubjson_internal(const bool get_char = true) + { + return get_ubjson_value(get_char ? get_ignore_noop() : current); + } + + /*! + @brief reads a UBJSON string + + This function is either called after reading the 'S' byte explicitly + indicating a string, or in case of an object key where the 'S' byte can be + left out. + + @param[out] result created string + @param[in] get_char whether a new character should be retrieved from the + input (true, default) or whether the last read + character should be considered instead + + @return whether string creation completed + */ + bool get_ubjson_string(string_t& result, const bool get_char = true) + { + if (get_char) + { + get(); // TODO(niels): may we ignore N here? + } + + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "value"))) + { + return false; + } + + switch (current) + { + case 'U': + { + std::uint8_t len{}; + return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); + } + + case 'i': + { + std::int8_t len{}; + return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); + } + + case 'I': + { + std::int16_t len{}; + return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); + } + + case 'l': + { + std::int32_t len{}; + return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); + } + + case 'L': + { + std::int64_t len{}; + return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); + } + + default: + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L); last byte: 0x" + last_token, "string"))); + } + } + + /*! + @param[out] result determined size + @return whether size determination completed + */ + bool get_ubjson_size_value(std::size_t& result) + { + switch (get_ignore_noop()) + { + case 'U': + { + std::uint8_t number{}; + if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) + { + return false; + } + result = static_cast(number); + return true; + } + + case 'i': + { + std::int8_t number{}; + if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) + { + return false; + } + result = static_cast(number); + return true; + } + + case 'I': + { + std::int16_t number{}; + if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) + { + return false; + } + result = static_cast(number); + return true; + } + + case 'l': + { + std::int32_t number{}; + if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) + { + return false; + } + result = static_cast(number); + return true; + } + + case 'L': + { + std::int64_t number{}; + if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) + { + return false; + } + result = static_cast(number); + return true; + } + + default: + { + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L) after '#'; last byte: 0x" + last_token, "size"))); + } + } + } + + /*! + @brief determine the type and size for a container + + In the optimized UBJSON format, a type and a size can be provided to allow + for a more compact representation. + + @param[out] result pair of the size and the type + + @return whether pair creation completed + */ + bool get_ubjson_size_type(std::pair& result) + { + result.first = string_t::npos; // size + result.second = 0; // type + + get_ignore_noop(); + + if (current == '$') + { + result.second = get(); // must not ignore 'N', because 'N' maybe the type + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "type"))) + { + return false; + } + + get_ignore_noop(); + if (JSON_HEDLEY_UNLIKELY(current != '#')) + { + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "value"))) + { + return false; + } + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "expected '#' after type information; last byte: 0x" + last_token, "size"))); + } + + return get_ubjson_size_value(result.first); + } + + if (current == '#') + { + return get_ubjson_size_value(result.first); + } + + return true; + } + + /*! + @param prefix the previously read or set type prefix + @return whether value creation completed + */ + bool get_ubjson_value(const char_int_type prefix) + { + switch (prefix) + { + case std::char_traits::eof(): // EOF + return unexpect_eof(input_format_t::ubjson, "value"); + + case 'T': // true + return sax->boolean(true); + case 'F': // false + return sax->boolean(false); + + case 'Z': // null + return sax->null(); + + case 'U': + { + std::uint8_t number{}; + return get_number(input_format_t::ubjson, number) && sax->number_unsigned(number); + } + + case 'i': + { + std::int8_t number{}; + return get_number(input_format_t::ubjson, number) && sax->number_integer(number); + } + + case 'I': + { + std::int16_t number{}; + return get_number(input_format_t::ubjson, number) && sax->number_integer(number); + } + + case 'l': + { + std::int32_t number{}; + return get_number(input_format_t::ubjson, number) && sax->number_integer(number); + } + + case 'L': + { + std::int64_t number{}; + return get_number(input_format_t::ubjson, number) && sax->number_integer(number); + } + + case 'd': + { + float number{}; + return get_number(input_format_t::ubjson, number) && sax->number_float(static_cast(number), ""); + } + + case 'D': + { + double number{}; + return get_number(input_format_t::ubjson, number) && sax->number_float(static_cast(number), ""); + } + + case 'H': + { + return get_ubjson_high_precision_number(); + } + + case 'C': // char + { + get(); + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "char"))) + { + return false; + } + if (JSON_HEDLEY_UNLIKELY(current > 127)) + { + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "byte after 'C' must be in range 0x00..0x7F; last byte: 0x" + last_token, "char"))); + } + string_t s(1, static_cast(current)); + return sax->string(s); + } + + case 'S': // string + { + string_t s; + return get_ubjson_string(s) && sax->string(s); + } + + case '[': // array + return get_ubjson_array(); + + case '{': // object + return get_ubjson_object(); + + default: // anything else + { + auto last_token = get_token_string(); + return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "invalid byte: 0x" + last_token, "value"))); + } + } + } + + /*! + @return whether array creation completed + */ + bool get_ubjson_array() + { + std::pair size_and_type; + if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type))) + { + return false; + } + + if (size_and_type.first != string_t::npos) + { + if (JSON_HEDLEY_UNLIKELY(!sax->start_array(size_and_type.first))) + { + return false; + } + + if (size_and_type.second != 0) + { + if (size_and_type.second != 'N') + { + for (std::size_t i = 0; i < size_and_type.first; ++i) + { + if (JSON_HEDLEY_UNLIKELY(!get_ubjson_value(size_and_type.second))) + { + return false; + } + } + } + } + else + { + for (std::size_t i = 0; i < size_and_type.first; ++i) + { + if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) + { + return false; + } + } + } + } + else + { + if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) + { + return false; + } + + while (current != ']') + { + if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal(false))) + { + return false; + } + get_ignore_noop(); + } + } + + return sax->end_array(); + } + + /*! + @return whether object creation completed + */ + bool get_ubjson_object() + { + std::pair size_and_type; + if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type))) + { + return false; + } + + string_t key; + if (size_and_type.first != string_t::npos) + { + if (JSON_HEDLEY_UNLIKELY(!sax->start_object(size_and_type.first))) + { + return false; + } + + if (size_and_type.second != 0) + { + for (std::size_t i = 0; i < size_and_type.first; ++i) + { + if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key) || !sax->key(key))) + { + return false; + } + if (JSON_HEDLEY_UNLIKELY(!get_ubjson_value(size_and_type.second))) + { + return false; + } + key.clear(); + } + } + else + { + for (std::size_t i = 0; i < size_and_type.first; ++i) + { + if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key) || !sax->key(key))) + { + return false; + } + if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) + { + return false; + } + key.clear(); + } + } + } + else + { + if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) + { + return false; + } + + while (current != '}') + { + if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key, false) || !sax->key(key))) + { + return false; + } + if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) + { + return false; + } + get_ignore_noop(); + key.clear(); + } + } + + return sax->end_object(); + } + + // Note, no reader for UBJSON binary types is implemented because they do + // not exist + + bool get_ubjson_high_precision_number() + { + // get size of following number string + std::size_t size{}; + auto res = get_ubjson_size_value(size); + if (JSON_HEDLEY_UNLIKELY(!res)) + { + return res; + } + + // get number string + std::vector number_vector; + for (std::size_t i = 0; i < size; ++i) + { + get(); + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "number"))) + { + return false; + } + number_vector.push_back(static_cast(current)); + } + + // parse number string + auto number_ia = detail::input_adapter(std::forward(number_vector)); + auto number_lexer = detail::lexer(std::move(number_ia), false); + const auto result_number = number_lexer.scan(); + const auto number_string = number_lexer.get_token_string(); + const auto result_remainder = number_lexer.scan(); + + using token_type = typename detail::lexer_base::token_type; + + if (JSON_HEDLEY_UNLIKELY(result_remainder != token_type::end_of_input)) + { + return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"))); + } + + switch (result_number) + { + case token_type::value_integer: + return sax->number_integer(number_lexer.get_number_integer()); + case token_type::value_unsigned: + return sax->number_unsigned(number_lexer.get_number_unsigned()); + case token_type::value_float: + return sax->number_float(number_lexer.get_number_float(), std::move(number_string)); + default: + return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"))); + } + } + + /////////////////////// + // Utility functions // + /////////////////////// + + /*! + @brief get next character from the input + + This function provides the interface to the used input adapter. It does + not throw in case the input reached EOF, but returns a -'ve valued + `std::char_traits::eof()` in that case. + + @return character read from the input + */ + char_int_type get() + { + ++chars_read; + return current = ia.get_character(); + } + + /*! + @return character read from the input after ignoring all 'N' entries + */ + char_int_type get_ignore_noop() + { + do + { + get(); + } + while (current == 'N'); + + return current; + } + + /* + @brief read a number from the input + + @tparam NumberType the type of the number + @param[in] format the current format (for diagnostics) + @param[out] result number of type @a NumberType + + @return whether conversion completed + + @note This function needs to respect the system's endianess, because + bytes in CBOR, MessagePack, and UBJSON are stored in network order + (big endian) and therefore need reordering on little endian systems. + */ + template + bool get_number(const input_format_t format, NumberType& result) + { + // step 1: read input into array with system's byte order + std::array vec; + for (std::size_t i = 0; i < sizeof(NumberType); ++i) + { + get(); + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "number"))) + { + return false; + } + + // reverse byte order prior to conversion if necessary + if (is_little_endian != InputIsLittleEndian) + { + vec[sizeof(NumberType) - i - 1] = static_cast(current); + } + else + { + vec[i] = static_cast(current); // LCOV_EXCL_LINE + } + } + + // step 2: convert array into number of type T and return + std::memcpy(&result, vec.data(), sizeof(NumberType)); + return true; + } + + /*! + @brief create a string by reading characters from the input + + @tparam NumberType the type of the number + @param[in] format the current format (for diagnostics) + @param[in] len number of characters to read + @param[out] result string created by reading @a len bytes + + @return whether string creation completed + + @note We can not reserve @a len bytes for the result, because @a len + may be too large. Usually, @ref unexpect_eof() detects the end of + the input before we run out of string memory. + */ + template + bool get_string(const input_format_t format, + const NumberType len, + string_t& result) + { + bool success = true; + for (NumberType i = 0; i < len; i++) + { + get(); + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "string"))) + { + success = false; + break; + } + result.push_back(static_cast(current)); + }; + return success; + } + + /*! + @brief create a byte array by reading bytes from the input + + @tparam NumberType the type of the number + @param[in] format the current format (for diagnostics) + @param[in] len number of bytes to read + @param[out] result byte array created by reading @a len bytes + + @return whether byte array creation completed + + @note We can not reserve @a len bytes for the result, because @a len + may be too large. Usually, @ref unexpect_eof() detects the end of + the input before we run out of memory. + */ + template + bool get_binary(const input_format_t format, + const NumberType len, + binary_t& result) + { + bool success = true; + for (NumberType i = 0; i < len; i++) + { + get(); + if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "binary"))) + { + success = false; + break; + } + result.push_back(static_cast(current)); + } + return success; + } + + /*! + @param[in] format the current format (for diagnostics) + @param[in] context further context information (for diagnostics) + @return whether the last read character is not EOF + */ + JSON_HEDLEY_NON_NULL(3) + bool unexpect_eof(const input_format_t format, const char* context) const + { + if (JSON_HEDLEY_UNLIKELY(current == std::char_traits::eof())) + { + return sax->parse_error(chars_read, "", + parse_error::create(110, chars_read, exception_message(format, "unexpected end of input", context))); + } + return true; + } + + /*! + @return a string representation of the last read byte + */ + std::string get_token_string() const + { + std::array cr{{}}; + (std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast(current)); + return std::string{cr.data()}; + } + + /*! + @param[in] format the current format + @param[in] detail a detailed error message + @param[in] context further context information + @return a message string to use in the parse_error exceptions + */ + std::string exception_message(const input_format_t format, + const std::string& detail, + const std::string& context) const + { + std::string error_msg = "syntax error while parsing "; + + switch (format) + { + case input_format_t::cbor: + error_msg += "CBOR"; + break; + + case input_format_t::msgpack: + error_msg += "MessagePack"; + break; + + case input_format_t::ubjson: + error_msg += "UBJSON"; + break; + + case input_format_t::bson: + error_msg += "BSON"; + break; + + default: // LCOV_EXCL_LINE + JSON_ASSERT(false); // LCOV_EXCL_LINE + } + + return error_msg + " " + context + ": " + detail; + } + + private: + /// input adapter + InputAdapterType ia; + + /// the current character + char_int_type current = std::char_traits::eof(); + + /// the number of characters read + std::size_t chars_read = 0; + + /// whether we can assume little endianess + const bool is_little_endian = little_endianess(); + + /// the SAX parser + json_sax_t* sax = nullptr; +}; +} // namespace detail +} // namespace nlohmann + +// #include + +// #include + +// #include + + +#include // isfinite +#include // uint8_t +#include // function +#include // string +#include // move +#include // vector + +// #include + +// #include + +// #include + +// #include + +// #include + +// #include + +// #include + + +namespace nlohmann +{ +namespace detail +{ +//////////// +// parser // +//////////// + +enum class parse_event_t : uint8_t +{ + /// the parser read `{` and started to process a JSON object + object_start, + /// the parser read `}` and finished processing a JSON object + object_end, + /// the parser read `[` and started to process a JSON array + array_start, + /// the parser read `]` and finished processing a JSON array + array_end, + /// the parser read a key of a value in an object + key, + /// the parser finished reading a JSON value + value +}; + +template +using parser_callback_t = + std::function; + +/*! +@brief syntax analysis + +This class implements a recursive descent parser. +*/ +template +class parser +{ + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using lexer_t = lexer; + using token_type = typename lexer_t::token_type; + + public: + /// a parser reading from an input adapter + explicit parser(InputAdapterType&& adapter, + const parser_callback_t cb = nullptr, + const bool allow_exceptions_ = true, + const bool skip_comments = false) + : callback(cb) + , m_lexer(std::move(adapter), skip_comments) + , allow_exceptions(allow_exceptions_) + { + // read first token + get_token(); + } + + /*! + @brief public parser interface + + @param[in] strict whether to expect the last token to be EOF + @param[in,out] result parsed JSON value + + @throw parse_error.101 in case of an unexpected token + @throw parse_error.102 if to_unicode fails or surrogate error + @throw parse_error.103 if to_unicode fails + */ + void parse(const bool strict, BasicJsonType& result) + { + if (callback) + { + json_sax_dom_callback_parser sdp(result, callback, allow_exceptions); + sax_parse_internal(&sdp); + result.assert_invariant(); + + // in strict mode, input must be completely read + if (strict && (get_token() != token_type::end_of_input)) + { + sdp.parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + exception_message(token_type::end_of_input, "value"))); + } + + // in case of an error, return discarded value + if (sdp.is_errored()) + { + result = value_t::discarded; + return; + } + + // set top-level value to null if it was discarded by the callback + // function + if (result.is_discarded()) + { + result = nullptr; + } + } + else + { + json_sax_dom_parser sdp(result, allow_exceptions); + sax_parse_internal(&sdp); + result.assert_invariant(); + + // in strict mode, input must be completely read + if (strict && (get_token() != token_type::end_of_input)) + { + sdp.parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + exception_message(token_type::end_of_input, "value"))); + } + + // in case of an error, return discarded value + if (sdp.is_errored()) + { + result = value_t::discarded; + return; + } + } + } + + /*! + @brief public accept interface + + @param[in] strict whether to expect the last token to be EOF + @return whether the input is a proper JSON text + */ + bool accept(const bool strict = true) + { + json_sax_acceptor sax_acceptor; + return sax_parse(&sax_acceptor, strict); + } + + template + JSON_HEDLEY_NON_NULL(2) + bool sax_parse(SAX* sax, const bool strict = true) + { + (void)detail::is_sax_static_asserts {}; + const bool result = sax_parse_internal(sax); + + // strict mode: next byte must be EOF + if (result && strict && (get_token() != token_type::end_of_input)) + { + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + exception_message(token_type::end_of_input, "value"))); + } + + return result; + } + + private: + template + JSON_HEDLEY_NON_NULL(2) + bool sax_parse_internal(SAX* sax) + { + // stack to remember the hierarchy of structured values we are parsing + // true = array; false = object + std::vector states; + // value to avoid a goto (see comment where set to true) + bool skip_to_state_evaluation = false; + + while (true) + { + if (!skip_to_state_evaluation) + { + // invariant: get_token() was called before each iteration + switch (last_token) + { + case token_type::begin_object: + { + if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) + { + return false; + } + + // closing } -> we are done + if (get_token() == token_type::end_object) + { + if (JSON_HEDLEY_UNLIKELY(!sax->end_object())) + { + return false; + } + break; + } + + // parse key + if (JSON_HEDLEY_UNLIKELY(last_token != token_type::value_string)) + { + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + exception_message(token_type::value_string, "object key"))); + } + if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string()))) + { + return false; + } + + // parse separator (:) + if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator)) + { + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + exception_message(token_type::name_separator, "object separator"))); + } + + // remember we are now inside an object + states.push_back(false); + + // parse values + get_token(); + continue; + } + + case token_type::begin_array: + { + if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) + { + return false; + } + + // closing ] -> we are done + if (get_token() == token_type::end_array) + { + if (JSON_HEDLEY_UNLIKELY(!sax->end_array())) + { + return false; + } + break; + } + + // remember we are now inside an array + states.push_back(true); + + // parse values (no need to call get_token) + continue; + } + + case token_type::value_float: + { + const auto res = m_lexer.get_number_float(); + + if (JSON_HEDLEY_UNLIKELY(!std::isfinite(res))) + { + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + out_of_range::create(406, "number overflow parsing '" + m_lexer.get_token_string() + "'")); + } + + if (JSON_HEDLEY_UNLIKELY(!sax->number_float(res, m_lexer.get_string()))) + { + return false; + } + + break; + } + + case token_type::literal_false: + { + if (JSON_HEDLEY_UNLIKELY(!sax->boolean(false))) + { + return false; + } + break; + } + + case token_type::literal_null: + { + if (JSON_HEDLEY_UNLIKELY(!sax->null())) + { + return false; + } + break; + } + + case token_type::literal_true: + { + if (JSON_HEDLEY_UNLIKELY(!sax->boolean(true))) + { + return false; + } + break; + } + + case token_type::value_integer: + { + if (JSON_HEDLEY_UNLIKELY(!sax->number_integer(m_lexer.get_number_integer()))) + { + return false; + } + break; + } + + case token_type::value_string: + { + if (JSON_HEDLEY_UNLIKELY(!sax->string(m_lexer.get_string()))) + { + return false; + } + break; + } + + case token_type::value_unsigned: + { + if (JSON_HEDLEY_UNLIKELY(!sax->number_unsigned(m_lexer.get_number_unsigned()))) + { + return false; + } + break; + } + + case token_type::parse_error: + { + // using "uninitialized" to avoid "expected" message + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + exception_message(token_type::uninitialized, "value"))); + } + + default: // the last token was unexpected + { + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + exception_message(token_type::literal_or_value, "value"))); + } + } + } + else + { + skip_to_state_evaluation = false; + } + + // we reached this line after we successfully parsed a value + if (states.empty()) + { + // empty stack: we reached the end of the hierarchy: done + return true; + } + + if (states.back()) // array + { + // comma -> next value + if (get_token() == token_type::value_separator) + { + // parse a new value + get_token(); + continue; + } + + // closing ] + if (JSON_HEDLEY_LIKELY(last_token == token_type::end_array)) + { + if (JSON_HEDLEY_UNLIKELY(!sax->end_array())) + { + return false; + } + + // We are done with this array. Before we can parse a + // new value, we need to evaluate the new state first. + // By setting skip_to_state_evaluation to false, we + // are effectively jumping to the beginning of this if. + JSON_ASSERT(!states.empty()); + states.pop_back(); + skip_to_state_evaluation = true; + continue; + } + + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + exception_message(token_type::end_array, "array"))); + } + else // object + { + // comma -> next value + if (get_token() == token_type::value_separator) + { + // parse key + if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::value_string)) + { + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + exception_message(token_type::value_string, "object key"))); + } + + if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string()))) + { + return false; + } + + // parse separator (:) + if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator)) + { + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + exception_message(token_type::name_separator, "object separator"))); + } + + // parse values + get_token(); + continue; + } + + // closing } + if (JSON_HEDLEY_LIKELY(last_token == token_type::end_object)) + { + if (JSON_HEDLEY_UNLIKELY(!sax->end_object())) + { + return false; + } + + // We are done with this object. Before we can parse a + // new value, we need to evaluate the new state first. + // By setting skip_to_state_evaluation to false, we + // are effectively jumping to the beginning of this if. + JSON_ASSERT(!states.empty()); + states.pop_back(); + skip_to_state_evaluation = true; + continue; + } + + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + exception_message(token_type::end_object, "object"))); + } + } + } + + /// get next token from lexer + token_type get_token() + { + return last_token = m_lexer.scan(); + } + + std::string exception_message(const token_type expected, const std::string& context) + { + std::string error_msg = "syntax error "; + + if (!context.empty()) + { + error_msg += "while parsing " + context + " "; + } + + error_msg += "- "; + + if (last_token == token_type::parse_error) + { + error_msg += std::string(m_lexer.get_error_message()) + "; last read: '" + + m_lexer.get_token_string() + "'"; + } + else + { + error_msg += "unexpected " + std::string(lexer_t::token_type_name(last_token)); + } + + if (expected != token_type::uninitialized) + { + error_msg += "; expected " + std::string(lexer_t::token_type_name(expected)); + } + + return error_msg; + } + + private: + /// callback function + const parser_callback_t callback = nullptr; + /// the type of the last read token + token_type last_token = token_type::uninitialized; + /// the lexer + lexer_t m_lexer; + /// whether to throw exceptions in case of errors + const bool allow_exceptions = true; +}; +} // namespace detail +} // namespace nlohmann + +// #include + + +// #include + + +#include // ptrdiff_t +#include // numeric_limits + +namespace nlohmann +{ +namespace detail +{ +/* +@brief an iterator for primitive JSON types + +This class models an iterator for primitive JSON types (boolean, number, +string). It's only purpose is to allow the iterator/const_iterator classes +to "iterate" over primitive values. Internally, the iterator is modeled by +a `difference_type` variable. Value begin_value (`0`) models the begin, +end_value (`1`) models past the end. +*/ +class primitive_iterator_t +{ + private: + using difference_type = std::ptrdiff_t; + static constexpr difference_type begin_value = 0; + static constexpr difference_type end_value = begin_value + 1; + + /// iterator as signed integer type + difference_type m_it = (std::numeric_limits::min)(); + + public: + constexpr difference_type get_value() const noexcept + { + return m_it; + } + + /// set iterator to a defined beginning + void set_begin() noexcept + { + m_it = begin_value; + } + + /// set iterator to a defined past the end + void set_end() noexcept + { + m_it = end_value; + } + + /// return whether the iterator can be dereferenced + constexpr bool is_begin() const noexcept + { + return m_it == begin_value; + } + + /// return whether the iterator is at end + constexpr bool is_end() const noexcept + { + return m_it == end_value; + } + + friend constexpr bool operator==(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept + { + return lhs.m_it == rhs.m_it; + } + + friend constexpr bool operator<(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept + { + return lhs.m_it < rhs.m_it; + } + + primitive_iterator_t operator+(difference_type n) noexcept + { + auto result = *this; + result += n; + return result; + } + + friend constexpr difference_type operator-(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept + { + return lhs.m_it - rhs.m_it; + } + + primitive_iterator_t& operator++() noexcept + { + ++m_it; + return *this; + } + + primitive_iterator_t const operator++(int) noexcept + { + auto result = *this; + ++m_it; + return result; + } + + primitive_iterator_t& operator--() noexcept + { + --m_it; + return *this; + } + + primitive_iterator_t const operator--(int) noexcept + { + auto result = *this; + --m_it; + return result; + } + + primitive_iterator_t& operator+=(difference_type n) noexcept + { + m_it += n; + return *this; + } + + primitive_iterator_t& operator-=(difference_type n) noexcept + { + m_it -= n; + return *this; + } +}; +} // namespace detail +} // namespace nlohmann + + +namespace nlohmann +{ +namespace detail +{ +/*! +@brief an iterator value + +@note This structure could easily be a union, but MSVC currently does not allow +unions members with complex constructors, see https://github.com/nlohmann/json/pull/105. +*/ +template struct internal_iterator +{ + /// iterator for JSON objects + typename BasicJsonType::object_t::iterator object_iterator {}; + /// iterator for JSON arrays + typename BasicJsonType::array_t::iterator array_iterator {}; + /// generic iterator for all other types + primitive_iterator_t primitive_iterator {}; +}; +} // namespace detail +} // namespace nlohmann + +// #include + + +#include // iterator, random_access_iterator_tag, bidirectional_iterator_tag, advance, next +#include // conditional, is_const, remove_const + +// #include + +// #include + +// #include + +// #include + +// #include + +// #include + +// #include + + +namespace nlohmann +{ +namespace detail +{ +// forward declare, to be able to friend it later on +template class iteration_proxy; +template class iteration_proxy_value; + +/*! +@brief a template for a bidirectional iterator for the @ref basic_json class +This class implements a both iterators (iterator and const_iterator) for the +@ref basic_json class. +@note An iterator is called *initialized* when a pointer to a JSON value has + been set (e.g., by a constructor or a copy assignment). If the iterator is + default-constructed, it is *uninitialized* and most methods are undefined. + **The library uses assertions to detect calls on uninitialized iterators.** +@requirement The class satisfies the following concept requirements: +- +[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator): + The iterator that can be moved can be moved in both directions (i.e. + incremented and decremented). +@since version 1.0.0, simplified in version 2.0.9, change to bidirectional + iterators in version 3.0.0 (see https://github.com/nlohmann/json/issues/593) +*/ +template +class iter_impl +{ + /// allow basic_json to access private members + friend iter_impl::value, typename std::remove_const::type, const BasicJsonType>::type>; + friend BasicJsonType; + friend iteration_proxy; + friend iteration_proxy_value; + + using object_t = typename BasicJsonType::object_t; + using array_t = typename BasicJsonType::array_t; + // make sure BasicJsonType is basic_json or const basic_json + static_assert(is_basic_json::type>::value, + "iter_impl only accepts (const) basic_json"); + + public: + + /// The std::iterator class template (used as a base class to provide typedefs) is deprecated in C++17. + /// The C++ Standard has never required user-defined iterators to derive from std::iterator. + /// A user-defined iterator should provide publicly accessible typedefs named + /// iterator_category, value_type, difference_type, pointer, and reference. + /// Note that value_type is required to be non-const, even for constant iterators. + using iterator_category = std::bidirectional_iterator_tag; + + /// the type of the values when the iterator is dereferenced + using value_type = typename BasicJsonType::value_type; + /// a type to represent differences between iterators + using difference_type = typename BasicJsonType::difference_type; + /// defines a pointer to the type iterated over (value_type) + using pointer = typename std::conditional::value, + typename BasicJsonType::const_pointer, + typename BasicJsonType::pointer>::type; + /// defines a reference to the type iterated over (value_type) + using reference = + typename std::conditional::value, + typename BasicJsonType::const_reference, + typename BasicJsonType::reference>::type; + + /// default constructor + iter_impl() = default; + + /*! + @brief constructor for a given JSON instance + @param[in] object pointer to a JSON object for this iterator + @pre object != nullptr + @post The iterator is initialized; i.e. `m_object != nullptr`. + */ + explicit iter_impl(pointer object) noexcept : m_object(object) + { + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + { + m_it.object_iterator = typename object_t::iterator(); + break; + } + + case value_t::array: + { + m_it.array_iterator = typename array_t::iterator(); + break; + } + + default: + { + m_it.primitive_iterator = primitive_iterator_t(); + break; + } + } + } + + /*! + @note The conventional copy constructor and copy assignment are implicitly + defined. Combined with the following converting constructor and + assignment, they support: (1) copy from iterator to iterator, (2) + copy from const iterator to const iterator, and (3) conversion from + iterator to const iterator. However conversion from const iterator + to iterator is not defined. + */ + + /*! + @brief const copy constructor + @param[in] other const iterator to copy from + @note This copy constructor had to be defined explicitly to circumvent a bug + occurring on msvc v19.0 compiler (VS 2015) debug build. For more + information refer to: https://github.com/nlohmann/json/issues/1608 + */ + iter_impl(const iter_impl& other) noexcept + : m_object(other.m_object), m_it(other.m_it) + {} + + /*! + @brief converting assignment + @param[in] other const iterator to copy from + @return const/non-const iterator + @note It is not checked whether @a other is initialized. + */ + iter_impl& operator=(const iter_impl& other) noexcept + { + m_object = other.m_object; + m_it = other.m_it; + return *this; + } + + /*! + @brief converting constructor + @param[in] other non-const iterator to copy from + @note It is not checked whether @a other is initialized. + */ + iter_impl(const iter_impl::type>& other) noexcept + : m_object(other.m_object), m_it(other.m_it) + {} + + /*! + @brief converting assignment + @param[in] other non-const iterator to copy from + @return const/non-const iterator + @note It is not checked whether @a other is initialized. + */ + iter_impl& operator=(const iter_impl::type>& other) noexcept + { + m_object = other.m_object; + m_it = other.m_it; + return *this; + } + + private: + /*! + @brief set the iterator to the first value + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + void set_begin() noexcept + { + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + { + m_it.object_iterator = m_object->m_value.object->begin(); + break; + } + + case value_t::array: + { + m_it.array_iterator = m_object->m_value.array->begin(); + break; + } + + case value_t::null: + { + // set to end so begin()==end() is true: null is empty + m_it.primitive_iterator.set_end(); + break; + } + + default: + { + m_it.primitive_iterator.set_begin(); + break; + } + } + } + + /*! + @brief set the iterator past the last value + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + void set_end() noexcept + { + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + { + m_it.object_iterator = m_object->m_value.object->end(); + break; + } + + case value_t::array: + { + m_it.array_iterator = m_object->m_value.array->end(); + break; + } + + default: + { + m_it.primitive_iterator.set_end(); + break; + } + } + } + + public: + /*! + @brief return a reference to the value pointed to by the iterator + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + reference operator*() const + { + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + { + JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); + return m_it.object_iterator->second; + } + + case value_t::array: + { + JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); + return *m_it.array_iterator; + } + + case value_t::null: + JSON_THROW(invalid_iterator::create(214, "cannot get value")); + + default: + { + if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin())) + { + return *m_object; + } + + JSON_THROW(invalid_iterator::create(214, "cannot get value")); + } + } + } + + /*! + @brief dereference the iterator + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + pointer operator->() const + { + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + { + JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); + return &(m_it.object_iterator->second); + } + + case value_t::array: + { + JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); + return &*m_it.array_iterator; + } + + default: + { + if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin())) + { + return m_object; + } + + JSON_THROW(invalid_iterator::create(214, "cannot get value")); + } + } + } + + /*! + @brief post-increment (it++) + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + iter_impl const operator++(int) + { + auto result = *this; + ++(*this); + return result; + } + + /*! + @brief pre-increment (++it) + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + iter_impl& operator++() + { + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + { + std::advance(m_it.object_iterator, 1); + break; + } + + case value_t::array: + { + std::advance(m_it.array_iterator, 1); + break; + } + + default: + { + ++m_it.primitive_iterator; + break; + } + } + + return *this; + } + + /*! + @brief post-decrement (it--) + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + iter_impl const operator--(int) + { + auto result = *this; + --(*this); + return result; + } + + /*! + @brief pre-decrement (--it) + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + iter_impl& operator--() + { + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + { + std::advance(m_it.object_iterator, -1); + break; + } + + case value_t::array: + { + std::advance(m_it.array_iterator, -1); + break; + } + + default: + { + --m_it.primitive_iterator; + break; + } + } + + return *this; + } + + /*! + @brief comparison: equal + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + bool operator==(const iter_impl& other) const + { + // if objects are not the same, the comparison is undefined + if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object)) + { + JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers")); + } + + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + return (m_it.object_iterator == other.m_it.object_iterator); + + case value_t::array: + return (m_it.array_iterator == other.m_it.array_iterator); + + default: + return (m_it.primitive_iterator == other.m_it.primitive_iterator); + } + } + + /*! + @brief comparison: not equal + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + bool operator!=(const iter_impl& other) const + { + return !operator==(other); + } + + /*! + @brief comparison: smaller + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + bool operator<(const iter_impl& other) const + { + // if objects are not the same, the comparison is undefined + if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object)) + { + JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers")); + } + + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + JSON_THROW(invalid_iterator::create(213, "cannot compare order of object iterators")); + + case value_t::array: + return (m_it.array_iterator < other.m_it.array_iterator); + + default: + return (m_it.primitive_iterator < other.m_it.primitive_iterator); + } + } + + /*! + @brief comparison: less than or equal + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + bool operator<=(const iter_impl& other) const + { + return !other.operator < (*this); + } + + /*! + @brief comparison: greater than + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + bool operator>(const iter_impl& other) const + { + return !operator<=(other); + } + + /*! + @brief comparison: greater than or equal + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + bool operator>=(const iter_impl& other) const + { + return !operator<(other); + } + + /*! + @brief add to iterator + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + iter_impl& operator+=(difference_type i) + { + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); + + case value_t::array: + { + std::advance(m_it.array_iterator, i); + break; + } + + default: + { + m_it.primitive_iterator += i; + break; + } + } + + return *this; + } + + /*! + @brief subtract from iterator + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + iter_impl& operator-=(difference_type i) + { + return operator+=(-i); + } + + /*! + @brief add to iterator + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + iter_impl operator+(difference_type i) const + { + auto result = *this; + result += i; + return result; + } + + /*! + @brief addition of distance and iterator + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + friend iter_impl operator+(difference_type i, const iter_impl& it) + { + auto result = it; + result += i; + return result; + } + + /*! + @brief subtract from iterator + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + iter_impl operator-(difference_type i) const + { + auto result = *this; + result -= i; + return result; + } + + /*! + @brief return difference + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + difference_type operator-(const iter_impl& other) const + { + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); + + case value_t::array: + return m_it.array_iterator - other.m_it.array_iterator; + + default: + return m_it.primitive_iterator - other.m_it.primitive_iterator; + } + } + + /*! + @brief access to successor + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + reference operator[](difference_type n) const + { + JSON_ASSERT(m_object != nullptr); + + switch (m_object->m_type) + { + case value_t::object: + JSON_THROW(invalid_iterator::create(208, "cannot use operator[] for object iterators")); + + case value_t::array: + return *std::next(m_it.array_iterator, n); + + case value_t::null: + JSON_THROW(invalid_iterator::create(214, "cannot get value")); + + default: + { + if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.get_value() == -n)) + { + return *m_object; + } + + JSON_THROW(invalid_iterator::create(214, "cannot get value")); + } + } + } + + /*! + @brief return the key of an object iterator + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + const typename object_t::key_type& key() const + { + JSON_ASSERT(m_object != nullptr); + + if (JSON_HEDLEY_LIKELY(m_object->is_object())) + { + return m_it.object_iterator->first; + } + + JSON_THROW(invalid_iterator::create(207, "cannot use key() for non-object iterators")); + } + + /*! + @brief return the value of an iterator + @pre The iterator is initialized; i.e. `m_object != nullptr`. + */ + reference value() const + { + return operator*(); + } + + private: + /// associated JSON instance + pointer m_object = nullptr; + /// the actual iterator of the associated instance + internal_iterator::type> m_it {}; +}; +} // namespace detail +} // namespace nlohmann + +// #include + +// #include + + +#include // ptrdiff_t +#include // reverse_iterator +#include // declval + +namespace nlohmann +{ +namespace detail +{ +////////////////////// +// reverse_iterator // +////////////////////// + +/*! +@brief a template for a reverse iterator class + +@tparam Base the base iterator type to reverse. Valid types are @ref +iterator (to create @ref reverse_iterator) and @ref const_iterator (to +create @ref const_reverse_iterator). + +@requirement The class satisfies the following concept requirements: +- +[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator): + The iterator that can be moved can be moved in both directions (i.e. + incremented and decremented). +- [OutputIterator](https://en.cppreference.com/w/cpp/named_req/OutputIterator): + It is possible to write to the pointed-to element (only if @a Base is + @ref iterator). + +@since version 1.0.0 +*/ +template +class json_reverse_iterator : public std::reverse_iterator +{ + public: + using difference_type = std::ptrdiff_t; + /// shortcut to the reverse iterator adapter + using base_iterator = std::reverse_iterator; + /// the reference type for the pointed-to element + using reference = typename Base::reference; + + /// create reverse iterator from iterator + explicit json_reverse_iterator(const typename base_iterator::iterator_type& it) noexcept + : base_iterator(it) {} + + /// create reverse iterator from base class + explicit json_reverse_iterator(const base_iterator& it) noexcept : base_iterator(it) {} + + /// post-increment (it++) + json_reverse_iterator const operator++(int) + { + return static_cast(base_iterator::operator++(1)); + } + + /// pre-increment (++it) + json_reverse_iterator& operator++() + { + return static_cast(base_iterator::operator++()); + } + + /// post-decrement (it--) + json_reverse_iterator const operator--(int) + { + return static_cast(base_iterator::operator--(1)); + } + + /// pre-decrement (--it) + json_reverse_iterator& operator--() + { + return static_cast(base_iterator::operator--()); + } + + /// add to iterator + json_reverse_iterator& operator+=(difference_type i) + { + return static_cast(base_iterator::operator+=(i)); + } + + /// add to iterator + json_reverse_iterator operator+(difference_type i) const + { + return static_cast(base_iterator::operator+(i)); + } + + /// subtract from iterator + json_reverse_iterator operator-(difference_type i) const + { + return static_cast(base_iterator::operator-(i)); + } + + /// return difference + difference_type operator-(const json_reverse_iterator& other) const + { + return base_iterator(*this) - base_iterator(other); + } + + /// access to successor + reference operator[](difference_type n) const + { + return *(this->operator+(n)); + } + + /// return the key of an object iterator + auto key() const -> decltype(std::declval().key()) + { + auto it = --this->base(); + return it.key(); + } + + /// return the value of an iterator + reference value() const + { + auto it = --this->base(); + return it.operator * (); + } +}; +} // namespace detail +} // namespace nlohmann + +// #include + +// #include + + +#include // all_of +#include // isdigit +#include // max +#include // accumulate +#include // string +#include // move +#include // vector + +// #include + +// #include + +// #include + + +namespace nlohmann +{ +template +class json_pointer +{ + // allow basic_json to access private members + NLOHMANN_BASIC_JSON_TPL_DECLARATION + friend class basic_json; + + public: + /*! + @brief create JSON pointer + + Create a JSON pointer according to the syntax described in + [Section 3 of RFC6901](https://tools.ietf.org/html/rfc6901#section-3). + + @param[in] s string representing the JSON pointer; if omitted, the empty + string is assumed which references the whole JSON value + + @throw parse_error.107 if the given JSON pointer @a s is nonempty and does + not begin with a slash (`/`); see example below + + @throw parse_error.108 if a tilde (`~`) in the given JSON pointer @a s is + not followed by `0` (representing `~`) or `1` (representing `/`); see + example below + + @liveexample{The example shows the construction several valid JSON pointers + as well as the exceptional behavior.,json_pointer} + + @since version 2.0.0 + */ + explicit json_pointer(const std::string& s = "") + : reference_tokens(split(s)) + {} + + /*! + @brief return a string representation of the JSON pointer + + @invariant For each JSON pointer `ptr`, it holds: + @code {.cpp} + ptr == json_pointer(ptr.to_string()); + @endcode + + @return a string representation of the JSON pointer + + @liveexample{The example shows the result of `to_string`.,json_pointer__to_string} + + @since version 2.0.0 + */ + std::string to_string() const + { + return std::accumulate(reference_tokens.begin(), reference_tokens.end(), + std::string{}, + [](const std::string & a, const std::string & b) + { + return a + "/" + escape(b); + }); + } + + /// @copydoc to_string() + operator std::string() const + { + return to_string(); + } + + /*! + @brief append another JSON pointer at the end of this JSON pointer + + @param[in] ptr JSON pointer to append + @return JSON pointer with @a ptr appended + + @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} + + @complexity Linear in the length of @a ptr. + + @sa @ref operator/=(std::string) to append a reference token + @sa @ref operator/=(std::size_t) to append an array index + @sa @ref operator/(const json_pointer&, const json_pointer&) for a binary operator + + @since version 3.6.0 + */ + json_pointer& operator/=(const json_pointer& ptr) + { + reference_tokens.insert(reference_tokens.end(), + ptr.reference_tokens.begin(), + ptr.reference_tokens.end()); + return *this; + } + + /*! + @brief append an unescaped reference token at the end of this JSON pointer + + @param[in] token reference token to append + @return JSON pointer with @a token appended without escaping @a token + + @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} + + @complexity Amortized constant. + + @sa @ref operator/=(const json_pointer&) to append a JSON pointer + @sa @ref operator/=(std::size_t) to append an array index + @sa @ref operator/(const json_pointer&, std::size_t) for a binary operator + + @since version 3.6.0 + */ + json_pointer& operator/=(std::string token) + { + push_back(std::move(token)); + return *this; + } + + /*! + @brief append an array index at the end of this JSON pointer + + @param[in] array_idx array index to append + @return JSON pointer with @a array_idx appended + + @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} + + @complexity Amortized constant. + + @sa @ref operator/=(const json_pointer&) to append a JSON pointer + @sa @ref operator/=(std::string) to append a reference token + @sa @ref operator/(const json_pointer&, std::string) for a binary operator + + @since version 3.6.0 + */ + json_pointer& operator/=(std::size_t array_idx) + { + return *this /= std::to_string(array_idx); + } + + /*! + @brief create a new JSON pointer by appending the right JSON pointer at the end of the left JSON pointer + + @param[in] lhs JSON pointer + @param[in] rhs JSON pointer + @return a new JSON pointer with @a rhs appended to @a lhs + + @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} + + @complexity Linear in the length of @a lhs and @a rhs. + + @sa @ref operator/=(const json_pointer&) to append a JSON pointer + + @since version 3.6.0 + */ + friend json_pointer operator/(const json_pointer& lhs, + const json_pointer& rhs) + { + return json_pointer(lhs) /= rhs; + } + + /*! + @brief create a new JSON pointer by appending the unescaped token at the end of the JSON pointer + + @param[in] ptr JSON pointer + @param[in] token reference token + @return a new JSON pointer with unescaped @a token appended to @a ptr + + @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} + + @complexity Linear in the length of @a ptr. + + @sa @ref operator/=(std::string) to append a reference token + + @since version 3.6.0 + */ + friend json_pointer operator/(const json_pointer& ptr, std::string token) + { + return json_pointer(ptr) /= std::move(token); + } + + /*! + @brief create a new JSON pointer by appending the array-index-token at the end of the JSON pointer + + @param[in] ptr JSON pointer + @param[in] array_idx array index + @return a new JSON pointer with @a array_idx appended to @a ptr + + @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} + + @complexity Linear in the length of @a ptr. + + @sa @ref operator/=(std::size_t) to append an array index + + @since version 3.6.0 + */ + friend json_pointer operator/(const json_pointer& ptr, std::size_t array_idx) + { + return json_pointer(ptr) /= array_idx; + } + + /*! + @brief returns the parent of this JSON pointer + + @return parent of this JSON pointer; in case this JSON pointer is the root, + the root itself is returned + + @complexity Linear in the length of the JSON pointer. + + @liveexample{The example shows the result of `parent_pointer` for different + JSON Pointers.,json_pointer__parent_pointer} + + @since version 3.6.0 + */ + json_pointer parent_pointer() const + { + if (empty()) + { + return *this; + } + + json_pointer res = *this; + res.pop_back(); + return res; + } + + /*! + @brief remove last reference token + + @pre not `empty()` + + @liveexample{The example shows the usage of `pop_back`.,json_pointer__pop_back} + + @complexity Constant. + + @throw out_of_range.405 if JSON pointer has no parent + + @since version 3.6.0 + */ + void pop_back() + { + if (JSON_HEDLEY_UNLIKELY(empty())) + { + JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); + } + + reference_tokens.pop_back(); + } + + /*! + @brief return last reference token + + @pre not `empty()` + @return last reference token + + @liveexample{The example shows the usage of `back`.,json_pointer__back} + + @complexity Constant. + + @throw out_of_range.405 if JSON pointer has no parent + + @since version 3.6.0 + */ + const std::string& back() const + { + if (JSON_HEDLEY_UNLIKELY(empty())) + { + JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); + } + + return reference_tokens.back(); + } + + /*! + @brief append an unescaped token at the end of the reference pointer + + @param[in] token token to add + + @complexity Amortized constant. + + @liveexample{The example shows the result of `push_back` for different + JSON Pointers.,json_pointer__push_back} + + @since version 3.6.0 + */ + void push_back(const std::string& token) + { + reference_tokens.push_back(token); + } + + /// @copydoc push_back(const std::string&) + void push_back(std::string&& token) + { + reference_tokens.push_back(std::move(token)); + } + + /*! + @brief return whether pointer points to the root document + + @return true iff the JSON pointer points to the root document + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @liveexample{The example shows the result of `empty` for different JSON + Pointers.,json_pointer__empty} + + @since version 3.6.0 + */ + bool empty() const noexcept + { + return reference_tokens.empty(); + } + + private: + /*! + @param[in] s reference token to be converted into an array index + + @return integer representation of @a s + + @throw parse_error.106 if an array index begins with '0' + @throw parse_error.109 if an array index begins not with a digit + @throw out_of_range.404 if string @a s could not be converted to an integer + @throw out_of_range.410 if an array index exceeds size_type + */ + static typename BasicJsonType::size_type array_index(const std::string& s) + { + using size_type = typename BasicJsonType::size_type; + + // error condition (cf. RFC 6901, Sect. 4) + if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && s[0] == '0')) + { + JSON_THROW(detail::parse_error::create(106, 0, + "array index '" + s + + "' must not begin with '0'")); + } + + // error condition (cf. RFC 6901, Sect. 4) + if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && !(s[0] >= '1' && s[0] <= '9'))) + { + JSON_THROW(detail::parse_error::create(109, 0, "array index '" + s + "' is not a number")); + } + + std::size_t processed_chars = 0; + unsigned long long res = 0; + JSON_TRY + { + res = std::stoull(s, &processed_chars); + } + JSON_CATCH(std::out_of_range&) + { + JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'")); + } + + // check if the string was completely read + if (JSON_HEDLEY_UNLIKELY(processed_chars != s.size())) + { + JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'")); + } + + // only triggered on special platforms (like 32bit), see also + // https://github.com/nlohmann/json/pull/2203 + if (res >= static_cast((std::numeric_limits::max)())) + { + JSON_THROW(detail::out_of_range::create(410, "array index " + s + " exceeds size_type")); // LCOV_EXCL_LINE + } + + return static_cast(res); + } + + json_pointer top() const + { + if (JSON_HEDLEY_UNLIKELY(empty())) + { + JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); + } + + json_pointer result = *this; + result.reference_tokens = {reference_tokens[0]}; + return result; + } + + /*! + @brief create and return a reference to the pointed to value + + @complexity Linear in the number of reference tokens. + + @throw parse_error.109 if array index is not a number + @throw type_error.313 if value cannot be unflattened + */ + BasicJsonType& get_and_create(BasicJsonType& j) const + { + auto result = &j; + + // in case no reference tokens exist, return a reference to the JSON value + // j which will be overwritten by a primitive value + for (const auto& reference_token : reference_tokens) + { + switch (result->type()) + { + case detail::value_t::null: + { + if (reference_token == "0") + { + // start a new array if reference token is 0 + result = &result->operator[](0); + } + else + { + // start a new object otherwise + result = &result->operator[](reference_token); + } + break; + } + + case detail::value_t::object: + { + // create an entry in the object + result = &result->operator[](reference_token); + break; + } + + case detail::value_t::array: + { + // create an entry in the array + result = &result->operator[](array_index(reference_token)); + break; + } + + /* + The following code is only reached if there exists a reference + token _and_ the current value is primitive. In this case, we have + an error situation, because primitive values may only occur as + single value; that is, with an empty list of reference tokens. + */ + default: + JSON_THROW(detail::type_error::create(313, "invalid value to unflatten")); + } + } + + return *result; + } + + /*! + @brief return a reference to the pointed to value + + @note This version does not throw if a value is not present, but tries to + create nested values instead. For instance, calling this function + with pointer `"/this/that"` on a null value is equivalent to calling + `operator[]("this").operator[]("that")` on that value, effectively + changing the null value to an object. + + @param[in] ptr a JSON value + + @return reference to the JSON value pointed to by the JSON pointer + + @complexity Linear in the length of the JSON pointer. + + @throw parse_error.106 if an array index begins with '0' + @throw parse_error.109 if an array index was not a number + @throw out_of_range.404 if the JSON pointer can not be resolved + */ + BasicJsonType& get_unchecked(BasicJsonType* ptr) const + { + for (const auto& reference_token : reference_tokens) + { + // convert null values to arrays or objects before continuing + if (ptr->is_null()) + { + // check if reference token is a number + const bool nums = + std::all_of(reference_token.begin(), reference_token.end(), + [](const unsigned char x) + { + return std::isdigit(x); + }); + + // change value to array for numbers or "-" or to object otherwise + *ptr = (nums || reference_token == "-") + ? detail::value_t::array + : detail::value_t::object; + } + + switch (ptr->type()) + { + case detail::value_t::object: + { + // use unchecked object access + ptr = &ptr->operator[](reference_token); + break; + } + + case detail::value_t::array: + { + if (reference_token == "-") + { + // explicitly treat "-" as index beyond the end + ptr = &ptr->operator[](ptr->m_value.array->size()); + } + else + { + // convert array index to number; unchecked access + ptr = &ptr->operator[](array_index(reference_token)); + } + break; + } + + default: + JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); + } + } + + return *ptr; + } + + /*! + @throw parse_error.106 if an array index begins with '0' + @throw parse_error.109 if an array index was not a number + @throw out_of_range.402 if the array index '-' is used + @throw out_of_range.404 if the JSON pointer can not be resolved + */ + BasicJsonType& get_checked(BasicJsonType* ptr) const + { + for (const auto& reference_token : reference_tokens) + { + switch (ptr->type()) + { + case detail::value_t::object: + { + // note: at performs range check + ptr = &ptr->at(reference_token); + break; + } + + case detail::value_t::array: + { + if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) + { + // "-" always fails the range check + JSON_THROW(detail::out_of_range::create(402, + "array index '-' (" + std::to_string(ptr->m_value.array->size()) + + ") is out of range")); + } + + // note: at performs range check + ptr = &ptr->at(array_index(reference_token)); + break; + } + + default: + JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); + } + } + + return *ptr; + } + + /*! + @brief return a const reference to the pointed to value + + @param[in] ptr a JSON value + + @return const reference to the JSON value pointed to by the JSON + pointer + + @throw parse_error.106 if an array index begins with '0' + @throw parse_error.109 if an array index was not a number + @throw out_of_range.402 if the array index '-' is used + @throw out_of_range.404 if the JSON pointer can not be resolved + */ + const BasicJsonType& get_unchecked(const BasicJsonType* ptr) const + { + for (const auto& reference_token : reference_tokens) + { + switch (ptr->type()) + { + case detail::value_t::object: + { + // use unchecked object access + ptr = &ptr->operator[](reference_token); + break; + } + + case detail::value_t::array: + { + if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) + { + // "-" cannot be used for const access + JSON_THROW(detail::out_of_range::create(402, + "array index '-' (" + std::to_string(ptr->m_value.array->size()) + + ") is out of range")); + } + + // use unchecked array access + ptr = &ptr->operator[](array_index(reference_token)); + break; + } + + default: + JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); + } + } + + return *ptr; + } + + /*! + @throw parse_error.106 if an array index begins with '0' + @throw parse_error.109 if an array index was not a number + @throw out_of_range.402 if the array index '-' is used + @throw out_of_range.404 if the JSON pointer can not be resolved + */ + const BasicJsonType& get_checked(const BasicJsonType* ptr) const + { + for (const auto& reference_token : reference_tokens) + { + switch (ptr->type()) + { + case detail::value_t::object: + { + // note: at performs range check + ptr = &ptr->at(reference_token); + break; + } + + case detail::value_t::array: + { + if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) + { + // "-" always fails the range check + JSON_THROW(detail::out_of_range::create(402, + "array index '-' (" + std::to_string(ptr->m_value.array->size()) + + ") is out of range")); + } + + // note: at performs range check + ptr = &ptr->at(array_index(reference_token)); + break; + } + + default: + JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); + } + } + + return *ptr; + } + + /*! + @throw parse_error.106 if an array index begins with '0' + @throw parse_error.109 if an array index was not a number + */ + bool contains(const BasicJsonType* ptr) const + { + for (const auto& reference_token : reference_tokens) + { + switch (ptr->type()) + { + case detail::value_t::object: + { + if (!ptr->contains(reference_token)) + { + // we did not find the key in the object + return false; + } + + ptr = &ptr->operator[](reference_token); + break; + } + + case detail::value_t::array: + { + if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) + { + // "-" always fails the range check + return false; + } + if (JSON_HEDLEY_UNLIKELY(reference_token.size() == 1 && !("0" <= reference_token && reference_token <= "9"))) + { + // invalid char + return false; + } + if (JSON_HEDLEY_UNLIKELY(reference_token.size() > 1)) + { + if (JSON_HEDLEY_UNLIKELY(!('1' <= reference_token[0] && reference_token[0] <= '9'))) + { + // first char should be between '1' and '9' + return false; + } + for (std::size_t i = 1; i < reference_token.size(); i++) + { + if (JSON_HEDLEY_UNLIKELY(!('0' <= reference_token[i] && reference_token[i] <= '9'))) + { + // other char should be between '0' and '9' + return false; + } + } + } + + const auto idx = array_index(reference_token); + if (idx >= ptr->size()) + { + // index out of range + return false; + } + + ptr = &ptr->operator[](idx); + break; + } + + default: + { + // we do not expect primitive values if there is still a + // reference token to process + return false; + } + } + } + + // no reference token left means we found a primitive value + return true; + } + + /*! + @brief split the string input to reference tokens + + @note This function is only called by the json_pointer constructor. + All exceptions below are documented there. + + @throw parse_error.107 if the pointer is not empty or begins with '/' + @throw parse_error.108 if character '~' is not followed by '0' or '1' + */ + static std::vector split(const std::string& reference_string) + { + std::vector result; + + // special case: empty reference string -> no reference tokens + if (reference_string.empty()) + { + return result; + } + + // check if nonempty reference string begins with slash + if (JSON_HEDLEY_UNLIKELY(reference_string[0] != '/')) + { + JSON_THROW(detail::parse_error::create(107, 1, + "JSON pointer must be empty or begin with '/' - was: '" + + reference_string + "'")); + } + + // extract the reference tokens: + // - slash: position of the last read slash (or end of string) + // - start: position after the previous slash + for ( + // search for the first slash after the first character + std::size_t slash = reference_string.find_first_of('/', 1), + // set the beginning of the first reference token + start = 1; + // we can stop if start == 0 (if slash == std::string::npos) + start != 0; + // set the beginning of the next reference token + // (will eventually be 0 if slash == std::string::npos) + start = (slash == std::string::npos) ? 0 : slash + 1, + // find next slash + slash = reference_string.find_first_of('/', start)) + { + // use the text between the beginning of the reference token + // (start) and the last slash (slash). + auto reference_token = reference_string.substr(start, slash - start); + + // check reference tokens are properly escaped + for (std::size_t pos = reference_token.find_first_of('~'); + pos != std::string::npos; + pos = reference_token.find_first_of('~', pos + 1)) + { + JSON_ASSERT(reference_token[pos] == '~'); + + // ~ must be followed by 0 or 1 + if (JSON_HEDLEY_UNLIKELY(pos == reference_token.size() - 1 || + (reference_token[pos + 1] != '0' && + reference_token[pos + 1] != '1'))) + { + JSON_THROW(detail::parse_error::create(108, 0, "escape character '~' must be followed with '0' or '1'")); + } + } + + // finally, store the reference token + unescape(reference_token); + result.push_back(reference_token); + } + + return result; + } + + /*! + @brief replace all occurrences of a substring by another string + + @param[in,out] s the string to manipulate; changed so that all + occurrences of @a f are replaced with @a t + @param[in] f the substring to replace with @a t + @param[in] t the string to replace @a f + + @pre The search string @a f must not be empty. **This precondition is + enforced with an assertion.** + + @since version 2.0.0 + */ + static void replace_substring(std::string& s, const std::string& f, + const std::string& t) + { + JSON_ASSERT(!f.empty()); + for (auto pos = s.find(f); // find first occurrence of f + pos != std::string::npos; // make sure f was found + s.replace(pos, f.size(), t), // replace with t, and + pos = s.find(f, pos + t.size())) // find next occurrence of f + {} + } + + /// escape "~" to "~0" and "/" to "~1" + static std::string escape(std::string s) + { + replace_substring(s, "~", "~0"); + replace_substring(s, "/", "~1"); + return s; + } + + /// unescape "~1" to tilde and "~0" to slash (order is important!) + static void unescape(std::string& s) + { + replace_substring(s, "~1", "/"); + replace_substring(s, "~0", "~"); + } + + /*! + @param[in] reference_string the reference string to the current value + @param[in] value the value to consider + @param[in,out] result the result object to insert values to + + @note Empty objects or arrays are flattened to `null`. + */ + static void flatten(const std::string& reference_string, + const BasicJsonType& value, + BasicJsonType& result) + { + switch (value.type()) + { + case detail::value_t::array: + { + if (value.m_value.array->empty()) + { + // flatten empty array as null + result[reference_string] = nullptr; + } + else + { + // iterate array and use index as reference string + for (std::size_t i = 0; i < value.m_value.array->size(); ++i) + { + flatten(reference_string + "/" + std::to_string(i), + value.m_value.array->operator[](i), result); + } + } + break; + } + + case detail::value_t::object: + { + if (value.m_value.object->empty()) + { + // flatten empty object as null + result[reference_string] = nullptr; + } + else + { + // iterate object and use keys as reference string + for (const auto& element : *value.m_value.object) + { + flatten(reference_string + "/" + escape(element.first), element.second, result); + } + } + break; + } + + default: + { + // add primitive value with its reference string + result[reference_string] = value; + break; + } + } + } + + /*! + @param[in] value flattened JSON + + @return unflattened JSON + + @throw parse_error.109 if array index is not a number + @throw type_error.314 if value is not an object + @throw type_error.315 if object values are not primitive + @throw type_error.313 if value cannot be unflattened + */ + static BasicJsonType + unflatten(const BasicJsonType& value) + { + if (JSON_HEDLEY_UNLIKELY(!value.is_object())) + { + JSON_THROW(detail::type_error::create(314, "only objects can be unflattened")); + } + + BasicJsonType result; + + // iterate the JSON object values + for (const auto& element : *value.m_value.object) + { + if (JSON_HEDLEY_UNLIKELY(!element.second.is_primitive())) + { + JSON_THROW(detail::type_error::create(315, "values in object must be primitive")); + } + + // assign value to reference pointed to by JSON pointer; Note that if + // the JSON pointer is "" (i.e., points to the whole value), function + // get_and_create returns a reference to result itself. An assignment + // will then create a primitive value. + json_pointer(element.first).get_and_create(result) = element.second; + } + + return result; + } + + /*! + @brief compares two JSON pointers for equality + + @param[in] lhs JSON pointer to compare + @param[in] rhs JSON pointer to compare + @return whether @a lhs is equal to @a rhs + + @complexity Linear in the length of the JSON pointer + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + */ + friend bool operator==(json_pointer const& lhs, + json_pointer const& rhs) noexcept + { + return lhs.reference_tokens == rhs.reference_tokens; + } + + /*! + @brief compares two JSON pointers for inequality + + @param[in] lhs JSON pointer to compare + @param[in] rhs JSON pointer to compare + @return whether @a lhs is not equal @a rhs + + @complexity Linear in the length of the JSON pointer + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + */ + friend bool operator!=(json_pointer const& lhs, + json_pointer const& rhs) noexcept + { + return !(lhs == rhs); + } + + /// the reference tokens + std::vector reference_tokens; +}; +} // namespace nlohmann + +// #include + + +#include +#include + +// #include + + +namespace nlohmann +{ +namespace detail +{ +template +class json_ref +{ + public: + using value_type = BasicJsonType; + + json_ref(value_type&& value) + : owned_value(std::move(value)) + , value_ref(&owned_value) + , is_rvalue(true) + {} + + json_ref(const value_type& value) + : value_ref(const_cast(&value)) + , is_rvalue(false) + {} + + json_ref(std::initializer_list init) + : owned_value(init) + , value_ref(&owned_value) + , is_rvalue(true) + {} + + template < + class... Args, + enable_if_t::value, int> = 0 > + json_ref(Args && ... args) + : owned_value(std::forward(args)...) + , value_ref(&owned_value) + , is_rvalue(true) + {} + + // class should be movable only + json_ref(json_ref&&) = default; + json_ref(const json_ref&) = delete; + json_ref& operator=(const json_ref&) = delete; + json_ref& operator=(json_ref&&) = delete; + ~json_ref() = default; + + value_type moved_or_copied() const + { + if (is_rvalue) + { + return std::move(*value_ref); + } + return *value_ref; + } + + value_type const& operator*() const + { + return *static_cast(value_ref); + } + + value_type const* operator->() const + { + return static_cast(value_ref); + } + + private: + mutable value_type owned_value = nullptr; + value_type* value_ref = nullptr; + const bool is_rvalue = true; +}; +} // namespace detail +} // namespace nlohmann + +// #include + +// #include + +// #include + +// #include + + +#include // reverse +#include // array +#include // uint8_t, uint16_t, uint32_t, uint64_t +#include // memcpy +#include // numeric_limits +#include // string +#include // isnan, isinf + +// #include + +// #include + +// #include + + +#include // copy +#include // size_t +#include // streamsize +#include // back_inserter +#include // shared_ptr, make_shared +#include // basic_ostream +#include // basic_string +#include // vector +// #include + + +namespace nlohmann +{ +namespace detail +{ +/// abstract output adapter interface +template struct output_adapter_protocol +{ + virtual void write_character(CharType c) = 0; + virtual void write_characters(const CharType* s, std::size_t length) = 0; + virtual ~output_adapter_protocol() = default; +}; + +/// a type to simplify interfaces +template +using output_adapter_t = std::shared_ptr>; + +/// output adapter for byte vectors +template +class output_vector_adapter : public output_adapter_protocol +{ + public: + explicit output_vector_adapter(std::vector& vec) noexcept + : v(vec) + {} + + void write_character(CharType c) override + { + v.push_back(c); + } + + JSON_HEDLEY_NON_NULL(2) + void write_characters(const CharType* s, std::size_t length) override + { + std::copy(s, s + length, std::back_inserter(v)); + } + + private: + std::vector& v; +}; + +/// output adapter for output streams +template +class output_stream_adapter : public output_adapter_protocol +{ + public: + explicit output_stream_adapter(std::basic_ostream& s) noexcept + : stream(s) + {} + + void write_character(CharType c) override + { + stream.put(c); + } + + JSON_HEDLEY_NON_NULL(2) + void write_characters(const CharType* s, std::size_t length) override + { + stream.write(s, static_cast(length)); + } + + private: + std::basic_ostream& stream; +}; + +/// output adapter for basic_string +template> +class output_string_adapter : public output_adapter_protocol +{ + public: + explicit output_string_adapter(StringType& s) noexcept + : str(s) + {} + + void write_character(CharType c) override + { + str.push_back(c); + } + + JSON_HEDLEY_NON_NULL(2) + void write_characters(const CharType* s, std::size_t length) override + { + str.append(s, length); + } + + private: + StringType& str; +}; + +template> +class output_adapter +{ + public: + output_adapter(std::vector& vec) + : oa(std::make_shared>(vec)) {} + + output_adapter(std::basic_ostream& s) + : oa(std::make_shared>(s)) {} + + output_adapter(StringType& s) + : oa(std::make_shared>(s)) {} + + operator output_adapter_t() + { + return oa; + } + + private: + output_adapter_t oa = nullptr; +}; +} // namespace detail +} // namespace nlohmann + + +namespace nlohmann +{ +namespace detail +{ +/////////////////// +// binary writer // +/////////////////// + +/*! +@brief serialization to CBOR and MessagePack values +*/ +template +class binary_writer +{ + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + using number_float_t = typename BasicJsonType::number_float_t; + + public: + /*! + @brief create a binary writer + + @param[in] adapter output adapter to write to + */ + explicit binary_writer(output_adapter_t adapter) : oa(adapter) + { + JSON_ASSERT(oa); + } + + /*! + @param[in] j JSON value to serialize + @pre j.type() == value_t::object + */ + void write_bson(const BasicJsonType& j) + { + switch (j.type()) + { + case value_t::object: + { + write_bson_object(*j.m_value.object); + break; + } + + default: + { + JSON_THROW(type_error::create(317, "to serialize to BSON, top-level type must be object, but is " + std::string(j.type_name()))); + } + } + } + + /*! + @param[in] j JSON value to serialize + */ + void write_cbor(const BasicJsonType& j) + { + switch (j.type()) + { + case value_t::null: + { + oa->write_character(to_char_type(0xF6)); + break; + } + + case value_t::boolean: + { + oa->write_character(j.m_value.boolean + ? to_char_type(0xF5) + : to_char_type(0xF4)); + break; + } + + case value_t::number_integer: + { + if (j.m_value.number_integer >= 0) + { + // CBOR does not differentiate between positive signed + // integers and unsigned integers. Therefore, we used the + // code from the value_t::number_unsigned case here. + if (j.m_value.number_integer <= 0x17) + { + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_integer <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x18)); + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_integer <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x19)); + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_integer <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x1A)); + write_number(static_cast(j.m_value.number_integer)); + } + else + { + oa->write_character(to_char_type(0x1B)); + write_number(static_cast(j.m_value.number_integer)); + } + } + else + { + // The conversions below encode the sign in the first + // byte, and the value is converted to a positive number. + const auto positive_number = -1 - j.m_value.number_integer; + if (j.m_value.number_integer >= -24) + { + write_number(static_cast(0x20 + positive_number)); + } + else if (positive_number <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x38)); + write_number(static_cast(positive_number)); + } + else if (positive_number <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x39)); + write_number(static_cast(positive_number)); + } + else if (positive_number <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x3A)); + write_number(static_cast(positive_number)); + } + else + { + oa->write_character(to_char_type(0x3B)); + write_number(static_cast(positive_number)); + } + } + break; + } + + case value_t::number_unsigned: + { + if (j.m_value.number_unsigned <= 0x17) + { + write_number(static_cast(j.m_value.number_unsigned)); + } + else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x18)); + write_number(static_cast(j.m_value.number_unsigned)); + } + else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x19)); + write_number(static_cast(j.m_value.number_unsigned)); + } + else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x1A)); + write_number(static_cast(j.m_value.number_unsigned)); + } + else + { + oa->write_character(to_char_type(0x1B)); + write_number(static_cast(j.m_value.number_unsigned)); + } + break; + } + + case value_t::number_float: + { + if (std::isnan(j.m_value.number_float)) + { + // NaN is 0xf97e00 in CBOR + oa->write_character(to_char_type(0xF9)); + oa->write_character(to_char_type(0x7E)); + oa->write_character(to_char_type(0x00)); + } + else if (std::isinf(j.m_value.number_float)) + { + // Infinity is 0xf97c00, -Infinity is 0xf9fc00 + oa->write_character(to_char_type(0xf9)); + oa->write_character(j.m_value.number_float > 0 ? to_char_type(0x7C) : to_char_type(0xFC)); + oa->write_character(to_char_type(0x00)); + } + else + { + write_compact_float(j.m_value.number_float, detail::input_format_t::cbor); + } + break; + } + + case value_t::string: + { + // step 1: write control byte and the string length + const auto N = j.m_value.string->size(); + if (N <= 0x17) + { + write_number(static_cast(0x60 + N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x78)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x79)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x7A)); + write_number(static_cast(N)); + } + // LCOV_EXCL_START + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x7B)); + write_number(static_cast(N)); + } + // LCOV_EXCL_STOP + + // step 2: write the string + oa->write_characters( + reinterpret_cast(j.m_value.string->c_str()), + j.m_value.string->size()); + break; + } + + case value_t::array: + { + // step 1: write control byte and the array size + const auto N = j.m_value.array->size(); + if (N <= 0x17) + { + write_number(static_cast(0x80 + N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x98)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x99)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x9A)); + write_number(static_cast(N)); + } + // LCOV_EXCL_START + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x9B)); + write_number(static_cast(N)); + } + // LCOV_EXCL_STOP + + // step 2: write each element + for (const auto& el : *j.m_value.array) + { + write_cbor(el); + } + break; + } + + case value_t::binary: + { + if (j.m_value.binary->has_subtype()) + { + write_number(static_cast(0xd8)); + write_number(j.m_value.binary->subtype()); + } + + // step 1: write control byte and the binary array size + const auto N = j.m_value.binary->size(); + if (N <= 0x17) + { + write_number(static_cast(0x40 + N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x58)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x59)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x5A)); + write_number(static_cast(N)); + } + // LCOV_EXCL_START + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0x5B)); + write_number(static_cast(N)); + } + // LCOV_EXCL_STOP + + // step 2: write each element + oa->write_characters( + reinterpret_cast(j.m_value.binary->data()), + N); + + break; + } + + case value_t::object: + { + // step 1: write control byte and the object size + const auto N = j.m_value.object->size(); + if (N <= 0x17) + { + write_number(static_cast(0xA0 + N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0xB8)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0xB9)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0xBA)); + write_number(static_cast(N)); + } + // LCOV_EXCL_START + else if (N <= (std::numeric_limits::max)()) + { + oa->write_character(to_char_type(0xBB)); + write_number(static_cast(N)); + } + // LCOV_EXCL_STOP + + // step 2: write each element + for (const auto& el : *j.m_value.object) + { + write_cbor(el.first); + write_cbor(el.second); + } + break; + } + + default: + break; + } + } + + /*! + @param[in] j JSON value to serialize + */ + void write_msgpack(const BasicJsonType& j) + { + switch (j.type()) + { + case value_t::null: // nil + { + oa->write_character(to_char_type(0xC0)); + break; + } + + case value_t::boolean: // true and false + { + oa->write_character(j.m_value.boolean + ? to_char_type(0xC3) + : to_char_type(0xC2)); + break; + } + + case value_t::number_integer: + { + if (j.m_value.number_integer >= 0) + { + // MessagePack does not differentiate between positive + // signed integers and unsigned integers. Therefore, we used + // the code from the value_t::number_unsigned case here. + if (j.m_value.number_unsigned < 128) + { + // positive fixnum + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + { + // uint 8 + oa->write_character(to_char_type(0xCC)); + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + { + // uint 16 + oa->write_character(to_char_type(0xCD)); + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + { + // uint 32 + oa->write_character(to_char_type(0xCE)); + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + { + // uint 64 + oa->write_character(to_char_type(0xCF)); + write_number(static_cast(j.m_value.number_integer)); + } + } + else + { + if (j.m_value.number_integer >= -32) + { + // negative fixnum + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_integer >= (std::numeric_limits::min)() && + j.m_value.number_integer <= (std::numeric_limits::max)()) + { + // int 8 + oa->write_character(to_char_type(0xD0)); + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_integer >= (std::numeric_limits::min)() && + j.m_value.number_integer <= (std::numeric_limits::max)()) + { + // int 16 + oa->write_character(to_char_type(0xD1)); + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_integer >= (std::numeric_limits::min)() && + j.m_value.number_integer <= (std::numeric_limits::max)()) + { + // int 32 + oa->write_character(to_char_type(0xD2)); + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_integer >= (std::numeric_limits::min)() && + j.m_value.number_integer <= (std::numeric_limits::max)()) + { + // int 64 + oa->write_character(to_char_type(0xD3)); + write_number(static_cast(j.m_value.number_integer)); + } + } + break; + } + + case value_t::number_unsigned: + { + if (j.m_value.number_unsigned < 128) + { + // positive fixnum + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + { + // uint 8 + oa->write_character(to_char_type(0xCC)); + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + { + // uint 16 + oa->write_character(to_char_type(0xCD)); + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + { + // uint 32 + oa->write_character(to_char_type(0xCE)); + write_number(static_cast(j.m_value.number_integer)); + } + else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + { + // uint 64 + oa->write_character(to_char_type(0xCF)); + write_number(static_cast(j.m_value.number_integer)); + } + break; + } + + case value_t::number_float: + { + write_compact_float(j.m_value.number_float, detail::input_format_t::msgpack); + break; + } + + case value_t::string: + { + // step 1: write control byte and the string length + const auto N = j.m_value.string->size(); + if (N <= 31) + { + // fixstr + write_number(static_cast(0xA0 | N)); + } + else if (N <= (std::numeric_limits::max)()) + { + // str 8 + oa->write_character(to_char_type(0xD9)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + // str 16 + oa->write_character(to_char_type(0xDA)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + // str 32 + oa->write_character(to_char_type(0xDB)); + write_number(static_cast(N)); + } + + // step 2: write the string + oa->write_characters( + reinterpret_cast(j.m_value.string->c_str()), + j.m_value.string->size()); + break; + } + + case value_t::array: + { + // step 1: write control byte and the array size + const auto N = j.m_value.array->size(); + if (N <= 15) + { + // fixarray + write_number(static_cast(0x90 | N)); + } + else if (N <= (std::numeric_limits::max)()) + { + // array 16 + oa->write_character(to_char_type(0xDC)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + // array 32 + oa->write_character(to_char_type(0xDD)); + write_number(static_cast(N)); + } + + // step 2: write each element + for (const auto& el : *j.m_value.array) + { + write_msgpack(el); + } + break; + } + + case value_t::binary: + { + // step 0: determine if the binary type has a set subtype to + // determine whether or not to use the ext or fixext types + const bool use_ext = j.m_value.binary->has_subtype(); + + // step 1: write control byte and the byte string length + const auto N = j.m_value.binary->size(); + if (N <= (std::numeric_limits::max)()) + { + std::uint8_t output_type{}; + bool fixed = true; + if (use_ext) + { + switch (N) + { + case 1: + output_type = 0xD4; // fixext 1 + break; + case 2: + output_type = 0xD5; // fixext 2 + break; + case 4: + output_type = 0xD6; // fixext 4 + break; + case 8: + output_type = 0xD7; // fixext 8 + break; + case 16: + output_type = 0xD8; // fixext 16 + break; + default: + output_type = 0xC7; // ext 8 + fixed = false; + break; + } + + } + else + { + output_type = 0xC4; // bin 8 + fixed = false; + } + + oa->write_character(to_char_type(output_type)); + if (!fixed) + { + write_number(static_cast(N)); + } + } + else if (N <= (std::numeric_limits::max)()) + { + std::uint8_t output_type = use_ext + ? 0xC8 // ext 16 + : 0xC5; // bin 16 + + oa->write_character(to_char_type(output_type)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + std::uint8_t output_type = use_ext + ? 0xC9 // ext 32 + : 0xC6; // bin 32 + + oa->write_character(to_char_type(output_type)); + write_number(static_cast(N)); + } + + // step 1.5: if this is an ext type, write the subtype + if (use_ext) + { + write_number(static_cast(j.m_value.binary->subtype())); + } + + // step 2: write the byte string + oa->write_characters( + reinterpret_cast(j.m_value.binary->data()), + N); + + break; + } + + case value_t::object: + { + // step 1: write control byte and the object size + const auto N = j.m_value.object->size(); + if (N <= 15) + { + // fixmap + write_number(static_cast(0x80 | (N & 0xF))); + } + else if (N <= (std::numeric_limits::max)()) + { + // map 16 + oa->write_character(to_char_type(0xDE)); + write_number(static_cast(N)); + } + else if (N <= (std::numeric_limits::max)()) + { + // map 32 + oa->write_character(to_char_type(0xDF)); + write_number(static_cast(N)); + } + + // step 2: write each element + for (const auto& el : *j.m_value.object) + { + write_msgpack(el.first); + write_msgpack(el.second); + } + break; + } + + default: + break; + } + } + + /*! + @param[in] j JSON value to serialize + @param[in] use_count whether to use '#' prefixes (optimized format) + @param[in] use_type whether to use '$' prefixes (optimized format) + @param[in] add_prefix whether prefixes need to be used for this value + */ + void write_ubjson(const BasicJsonType& j, const bool use_count, + const bool use_type, const bool add_prefix = true) + { + switch (j.type()) + { + case value_t::null: + { + if (add_prefix) + { + oa->write_character(to_char_type('Z')); + } + break; + } + + case value_t::boolean: + { + if (add_prefix) + { + oa->write_character(j.m_value.boolean + ? to_char_type('T') + : to_char_type('F')); + } + break; + } + + case value_t::number_integer: + { + write_number_with_ubjson_prefix(j.m_value.number_integer, add_prefix); + break; + } + + case value_t::number_unsigned: + { + write_number_with_ubjson_prefix(j.m_value.number_unsigned, add_prefix); + break; + } + + case value_t::number_float: + { + write_number_with_ubjson_prefix(j.m_value.number_float, add_prefix); + break; + } + + case value_t::string: + { + if (add_prefix) + { + oa->write_character(to_char_type('S')); + } + write_number_with_ubjson_prefix(j.m_value.string->size(), true); + oa->write_characters( + reinterpret_cast(j.m_value.string->c_str()), + j.m_value.string->size()); + break; + } + + case value_t::array: + { + if (add_prefix) + { + oa->write_character(to_char_type('[')); + } + + bool prefix_required = true; + if (use_type && !j.m_value.array->empty()) + { + JSON_ASSERT(use_count); + const CharType first_prefix = ubjson_prefix(j.front()); + const bool same_prefix = std::all_of(j.begin() + 1, j.end(), + [this, first_prefix](const BasicJsonType & v) + { + return ubjson_prefix(v) == first_prefix; + }); + + if (same_prefix) + { + prefix_required = false; + oa->write_character(to_char_type('$')); + oa->write_character(first_prefix); + } + } + + if (use_count) + { + oa->write_character(to_char_type('#')); + write_number_with_ubjson_prefix(j.m_value.array->size(), true); + } + + for (const auto& el : *j.m_value.array) + { + write_ubjson(el, use_count, use_type, prefix_required); + } + + if (!use_count) + { + oa->write_character(to_char_type(']')); + } + + break; + } + + case value_t::binary: + { + if (add_prefix) + { + oa->write_character(to_char_type('[')); + } + + if (use_type && !j.m_value.binary->empty()) + { + JSON_ASSERT(use_count); + oa->write_character(to_char_type('$')); + oa->write_character('U'); + } + + if (use_count) + { + oa->write_character(to_char_type('#')); + write_number_with_ubjson_prefix(j.m_value.binary->size(), true); + } + + if (use_type) + { + oa->write_characters( + reinterpret_cast(j.m_value.binary->data()), + j.m_value.binary->size()); + } + else + { + for (size_t i = 0; i < j.m_value.binary->size(); ++i) + { + oa->write_character(to_char_type('U')); + oa->write_character(j.m_value.binary->data()[i]); + } + } + + if (!use_count) + { + oa->write_character(to_char_type(']')); + } + + break; + } + + case value_t::object: + { + if (add_prefix) + { + oa->write_character(to_char_type('{')); + } + + bool prefix_required = true; + if (use_type && !j.m_value.object->empty()) + { + JSON_ASSERT(use_count); + const CharType first_prefix = ubjson_prefix(j.front()); + const bool same_prefix = std::all_of(j.begin(), j.end(), + [this, first_prefix](const BasicJsonType & v) + { + return ubjson_prefix(v) == first_prefix; + }); + + if (same_prefix) + { + prefix_required = false; + oa->write_character(to_char_type('$')); + oa->write_character(first_prefix); + } + } + + if (use_count) + { + oa->write_character(to_char_type('#')); + write_number_with_ubjson_prefix(j.m_value.object->size(), true); + } + + for (const auto& el : *j.m_value.object) + { + write_number_with_ubjson_prefix(el.first.size(), true); + oa->write_characters( + reinterpret_cast(el.first.c_str()), + el.first.size()); + write_ubjson(el.second, use_count, use_type, prefix_required); + } + + if (!use_count) + { + oa->write_character(to_char_type('}')); + } + + break; + } + + default: + break; + } + } + + private: + ////////// + // BSON // + ////////// + + /*! + @return The size of a BSON document entry header, including the id marker + and the entry name size (and its null-terminator). + */ + static std::size_t calc_bson_entry_header_size(const string_t& name) + { + const auto it = name.find(static_cast(0)); + if (JSON_HEDLEY_UNLIKELY(it != BasicJsonType::string_t::npos)) + { + JSON_THROW(out_of_range::create(409, + "BSON key cannot contain code point U+0000 (at byte " + std::to_string(it) + ")")); + } + + return /*id*/ 1ul + name.size() + /*zero-terminator*/1u; + } + + /*! + @brief Writes the given @a element_type and @a name to the output adapter + */ + void write_bson_entry_header(const string_t& name, + const std::uint8_t element_type) + { + oa->write_character(to_char_type(element_type)); // boolean + oa->write_characters( + reinterpret_cast(name.c_str()), + name.size() + 1u); + } + + /*! + @brief Writes a BSON element with key @a name and boolean value @a value + */ + void write_bson_boolean(const string_t& name, + const bool value) + { + write_bson_entry_header(name, 0x08); + oa->write_character(value ? to_char_type(0x01) : to_char_type(0x00)); + } + + /*! + @brief Writes a BSON element with key @a name and double value @a value + */ + void write_bson_double(const string_t& name, + const double value) + { + write_bson_entry_header(name, 0x01); + write_number(value); + } + + /*! + @return The size of the BSON-encoded string in @a value + */ + static std::size_t calc_bson_string_size(const string_t& value) + { + return sizeof(std::int32_t) + value.size() + 1ul; + } + + /*! + @brief Writes a BSON element with key @a name and string value @a value + */ + void write_bson_string(const string_t& name, + const string_t& value) + { + write_bson_entry_header(name, 0x02); + + write_number(static_cast(value.size() + 1ul)); + oa->write_characters( + reinterpret_cast(value.c_str()), + value.size() + 1); + } + + /*! + @brief Writes a BSON element with key @a name and null value + */ + void write_bson_null(const string_t& name) + { + write_bson_entry_header(name, 0x0A); + } + + /*! + @return The size of the BSON-encoded integer @a value + */ + static std::size_t calc_bson_integer_size(const std::int64_t value) + { + return (std::numeric_limits::min)() <= value && value <= (std::numeric_limits::max)() + ? sizeof(std::int32_t) + : sizeof(std::int64_t); + } + + /*! + @brief Writes a BSON element with key @a name and integer @a value + */ + void write_bson_integer(const string_t& name, + const std::int64_t value) + { + if ((std::numeric_limits::min)() <= value && value <= (std::numeric_limits::max)()) + { + write_bson_entry_header(name, 0x10); // int32 + write_number(static_cast(value)); + } + else + { + write_bson_entry_header(name, 0x12); // int64 + write_number(static_cast(value)); + } + } + + /*! + @return The size of the BSON-encoded unsigned integer in @a j + */ + static constexpr std::size_t calc_bson_unsigned_size(const std::uint64_t value) noexcept + { + return (value <= static_cast((std::numeric_limits::max)())) + ? sizeof(std::int32_t) + : sizeof(std::int64_t); + } + + /*! + @brief Writes a BSON element with key @a name and unsigned @a value + */ + void write_bson_unsigned(const string_t& name, + const std::uint64_t value) + { + if (value <= static_cast((std::numeric_limits::max)())) + { + write_bson_entry_header(name, 0x10 /* int32 */); + write_number(static_cast(value)); + } + else if (value <= static_cast((std::numeric_limits::max)())) + { + write_bson_entry_header(name, 0x12 /* int64 */); + write_number(static_cast(value)); + } + else + { + JSON_THROW(out_of_range::create(407, "integer number " + std::to_string(value) + " cannot be represented by BSON as it does not fit int64")); + } + } + + /*! + @brief Writes a BSON element with key @a name and object @a value + */ + void write_bson_object_entry(const string_t& name, + const typename BasicJsonType::object_t& value) + { + write_bson_entry_header(name, 0x03); // object + write_bson_object(value); + } + + /*! + @return The size of the BSON-encoded array @a value + */ + static std::size_t calc_bson_array_size(const typename BasicJsonType::array_t& value) + { + std::size_t array_index = 0ul; + + const std::size_t embedded_document_size = std::accumulate(std::begin(value), std::end(value), std::size_t(0), [&array_index](std::size_t result, const typename BasicJsonType::array_t::value_type & el) + { + return result + calc_bson_element_size(std::to_string(array_index++), el); + }); + + return sizeof(std::int32_t) + embedded_document_size + 1ul; + } + + /*! + @return The size of the BSON-encoded binary array @a value + */ + static std::size_t calc_bson_binary_size(const typename BasicJsonType::binary_t& value) + { + return sizeof(std::int32_t) + value.size() + 1ul; + } + + /*! + @brief Writes a BSON element with key @a name and array @a value + */ + void write_bson_array(const string_t& name, + const typename BasicJsonType::array_t& value) + { + write_bson_entry_header(name, 0x04); // array + write_number(static_cast(calc_bson_array_size(value))); + + std::size_t array_index = 0ul; + + for (const auto& el : value) + { + write_bson_element(std::to_string(array_index++), el); + } + + oa->write_character(to_char_type(0x00)); + } + + /*! + @brief Writes a BSON element with key @a name and binary value @a value + */ + void write_bson_binary(const string_t& name, + const binary_t& value) + { + write_bson_entry_header(name, 0x05); + + write_number(static_cast(value.size())); + write_number(value.has_subtype() ? value.subtype() : std::uint8_t(0x00)); + + oa->write_characters(reinterpret_cast(value.data()), value.size()); + } + + /*! + @brief Calculates the size necessary to serialize the JSON value @a j with its @a name + @return The calculated size for the BSON document entry for @a j with the given @a name. + */ + static std::size_t calc_bson_element_size(const string_t& name, + const BasicJsonType& j) + { + const auto header_size = calc_bson_entry_header_size(name); + switch (j.type()) + { + case value_t::object: + return header_size + calc_bson_object_size(*j.m_value.object); + + case value_t::array: + return header_size + calc_bson_array_size(*j.m_value.array); + + case value_t::binary: + return header_size + calc_bson_binary_size(*j.m_value.binary); + + case value_t::boolean: + return header_size + 1ul; + + case value_t::number_float: + return header_size + 8ul; + + case value_t::number_integer: + return header_size + calc_bson_integer_size(j.m_value.number_integer); + + case value_t::number_unsigned: + return header_size + calc_bson_unsigned_size(j.m_value.number_unsigned); + + case value_t::string: + return header_size + calc_bson_string_size(*j.m_value.string); + + case value_t::null: + return header_size + 0ul; + + // LCOV_EXCL_START + default: + JSON_ASSERT(false); + return 0ul; + // LCOV_EXCL_STOP + } + } + + /*! + @brief Serializes the JSON value @a j to BSON and associates it with the + key @a name. + @param name The name to associate with the JSON entity @a j within the + current BSON document + @return The size of the BSON entry + */ + void write_bson_element(const string_t& name, + const BasicJsonType& j) + { + switch (j.type()) + { + case value_t::object: + return write_bson_object_entry(name, *j.m_value.object); + + case value_t::array: + return write_bson_array(name, *j.m_value.array); + + case value_t::binary: + return write_bson_binary(name, *j.m_value.binary); + + case value_t::boolean: + return write_bson_boolean(name, j.m_value.boolean); + + case value_t::number_float: + return write_bson_double(name, j.m_value.number_float); + + case value_t::number_integer: + return write_bson_integer(name, j.m_value.number_integer); + + case value_t::number_unsigned: + return write_bson_unsigned(name, j.m_value.number_unsigned); + + case value_t::string: + return write_bson_string(name, *j.m_value.string); + + case value_t::null: + return write_bson_null(name); + + // LCOV_EXCL_START + default: + JSON_ASSERT(false); + return; + // LCOV_EXCL_STOP + } + } + + /*! + @brief Calculates the size of the BSON serialization of the given + JSON-object @a j. + @param[in] j JSON value to serialize + @pre j.type() == value_t::object + */ + static std::size_t calc_bson_object_size(const typename BasicJsonType::object_t& value) + { + std::size_t document_size = std::accumulate(value.begin(), value.end(), std::size_t(0), + [](size_t result, const typename BasicJsonType::object_t::value_type & el) + { + return result += calc_bson_element_size(el.first, el.second); + }); + + return sizeof(std::int32_t) + document_size + 1ul; + } + + /*! + @param[in] j JSON value to serialize + @pre j.type() == value_t::object + */ + void write_bson_object(const typename BasicJsonType::object_t& value) + { + write_number(static_cast(calc_bson_object_size(value))); + + for (const auto& el : value) + { + write_bson_element(el.first, el.second); + } + + oa->write_character(to_char_type(0x00)); + } + + ////////// + // CBOR // + ////////// + + static constexpr CharType get_cbor_float_prefix(float /*unused*/) + { + return to_char_type(0xFA); // Single-Precision Float + } + + static constexpr CharType get_cbor_float_prefix(double /*unused*/) + { + return to_char_type(0xFB); // Double-Precision Float + } + + ///////////// + // MsgPack // + ///////////// + + static constexpr CharType get_msgpack_float_prefix(float /*unused*/) + { + return to_char_type(0xCA); // float 32 + } + + static constexpr CharType get_msgpack_float_prefix(double /*unused*/) + { + return to_char_type(0xCB); // float 64 + } + + //////////// + // UBJSON // + //////////// + + // UBJSON: write number (floating point) + template::value, int>::type = 0> + void write_number_with_ubjson_prefix(const NumberType n, + const bool add_prefix) + { + if (add_prefix) + { + oa->write_character(get_ubjson_float_prefix(n)); + } + write_number(n); + } + + // UBJSON: write number (unsigned integer) + template::value, int>::type = 0> + void write_number_with_ubjson_prefix(const NumberType n, + const bool add_prefix) + { + if (n <= static_cast((std::numeric_limits::max)())) + { + if (add_prefix) + { + oa->write_character(to_char_type('i')); // int8 + } + write_number(static_cast(n)); + } + else if (n <= (std::numeric_limits::max)()) + { + if (add_prefix) + { + oa->write_character(to_char_type('U')); // uint8 + } + write_number(static_cast(n)); + } + else if (n <= static_cast((std::numeric_limits::max)())) + { + if (add_prefix) + { + oa->write_character(to_char_type('I')); // int16 + } + write_number(static_cast(n)); + } + else if (n <= static_cast((std::numeric_limits::max)())) + { + if (add_prefix) + { + oa->write_character(to_char_type('l')); // int32 + } + write_number(static_cast(n)); + } + else if (n <= static_cast((std::numeric_limits::max)())) + { + if (add_prefix) + { + oa->write_character(to_char_type('L')); // int64 + } + write_number(static_cast(n)); + } + else + { + if (add_prefix) + { + oa->write_character(to_char_type('H')); // high-precision number + } + + const auto number = BasicJsonType(n).dump(); + write_number_with_ubjson_prefix(number.size(), true); + for (std::size_t i = 0; i < number.size(); ++i) + { + oa->write_character(to_char_type(static_cast(number[i]))); + } + } + } + + // UBJSON: write number (signed integer) + template < typename NumberType, typename std::enable_if < + std::is_signed::value&& + !std::is_floating_point::value, int >::type = 0 > + void write_number_with_ubjson_prefix(const NumberType n, + const bool add_prefix) + { + if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) + { + if (add_prefix) + { + oa->write_character(to_char_type('i')); // int8 + } + write_number(static_cast(n)); + } + else if (static_cast((std::numeric_limits::min)()) <= n && n <= static_cast((std::numeric_limits::max)())) + { + if (add_prefix) + { + oa->write_character(to_char_type('U')); // uint8 + } + write_number(static_cast(n)); + } + else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) + { + if (add_prefix) + { + oa->write_character(to_char_type('I')); // int16 + } + write_number(static_cast(n)); + } + else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) + { + if (add_prefix) + { + oa->write_character(to_char_type('l')); // int32 + } + write_number(static_cast(n)); + } + else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) + { + if (add_prefix) + { + oa->write_character(to_char_type('L')); // int64 + } + write_number(static_cast(n)); + } + // LCOV_EXCL_START + else + { + if (add_prefix) + { + oa->write_character(to_char_type('H')); // high-precision number + } + + const auto number = BasicJsonType(n).dump(); + write_number_with_ubjson_prefix(number.size(), true); + for (std::size_t i = 0; i < number.size(); ++i) + { + oa->write_character(to_char_type(static_cast(number[i]))); + } + } + // LCOV_EXCL_STOP + } + + /*! + @brief determine the type prefix of container values + */ + CharType ubjson_prefix(const BasicJsonType& j) const noexcept + { + switch (j.type()) + { + case value_t::null: + return 'Z'; + + case value_t::boolean: + return j.m_value.boolean ? 'T' : 'F'; + + case value_t::number_integer: + { + if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) + { + return 'i'; + } + if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) + { + return 'U'; + } + if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) + { + return 'I'; + } + if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) + { + return 'l'; + } + if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) + { + return 'L'; + } + // anything else is treated as high-precision number + return 'H'; // LCOV_EXCL_LINE + } + + case value_t::number_unsigned: + { + if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + { + return 'i'; + } + if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + { + return 'U'; + } + if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + { + return 'I'; + } + if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + { + return 'l'; + } + if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + { + return 'L'; + } + // anything else is treated as high-precision number + return 'H'; // LCOV_EXCL_LINE + } + + case value_t::number_float: + return get_ubjson_float_prefix(j.m_value.number_float); + + case value_t::string: + return 'S'; + + case value_t::array: // fallthrough + case value_t::binary: + return '['; + + case value_t::object: + return '{'; + + default: // discarded values + return 'N'; + } + } + + static constexpr CharType get_ubjson_float_prefix(float /*unused*/) + { + return 'd'; // float 32 + } + + static constexpr CharType get_ubjson_float_prefix(double /*unused*/) + { + return 'D'; // float 64 + } + + /////////////////////// + // Utility functions // + /////////////////////// + + /* + @brief write a number to output input + @param[in] n number of type @a NumberType + @tparam NumberType the type of the number + @tparam OutputIsLittleEndian Set to true if output data is + required to be little endian + + @note This function needs to respect the system's endianess, because bytes + in CBOR, MessagePack, and UBJSON are stored in network order (big + endian) and therefore need reordering on little endian systems. + */ + template + void write_number(const NumberType n) + { + // step 1: write number to array of length NumberType + std::array vec; + std::memcpy(vec.data(), &n, sizeof(NumberType)); + + // step 2: write array to output (with possible reordering) + if (is_little_endian != OutputIsLittleEndian) + { + // reverse byte order prior to conversion if necessary + std::reverse(vec.begin(), vec.end()); + } + + oa->write_characters(vec.data(), sizeof(NumberType)); + } + + void write_compact_float(const number_float_t n, detail::input_format_t format) + { + if (static_cast(n) >= static_cast(std::numeric_limits::lowest()) && + static_cast(n) <= static_cast((std::numeric_limits::max)()) && + static_cast(static_cast(n)) == static_cast(n)) + { + oa->write_character(format == detail::input_format_t::cbor + ? get_cbor_float_prefix(static_cast(n)) + : get_msgpack_float_prefix(static_cast(n))); + write_number(static_cast(n)); + } + else + { + oa->write_character(format == detail::input_format_t::cbor + ? get_cbor_float_prefix(n) + : get_msgpack_float_prefix(n)); + write_number(n); + } + } + + public: + // The following to_char_type functions are implement the conversion + // between uint8_t and CharType. In case CharType is not unsigned, + // such a conversion is required to allow values greater than 128. + // See for a discussion. + template < typename C = CharType, + enable_if_t < std::is_signed::value && std::is_signed::value > * = nullptr > + static constexpr CharType to_char_type(std::uint8_t x) noexcept + { + return *reinterpret_cast(&x); + } + + template < typename C = CharType, + enable_if_t < std::is_signed::value && std::is_unsigned::value > * = nullptr > + static CharType to_char_type(std::uint8_t x) noexcept + { + static_assert(sizeof(std::uint8_t) == sizeof(CharType), "size of CharType must be equal to std::uint8_t"); + static_assert(std::is_trivial::value, "CharType must be trivial"); + CharType result; + std::memcpy(&result, &x, sizeof(x)); + return result; + } + + template::value>* = nullptr> + static constexpr CharType to_char_type(std::uint8_t x) noexcept + { + return x; + } + + template < typename InputCharType, typename C = CharType, + enable_if_t < + std::is_signed::value && + std::is_signed::value && + std::is_same::type>::value + > * = nullptr > + static constexpr CharType to_char_type(InputCharType x) noexcept + { + return x; + } + + private: + /// whether we can assume little endianess + const bool is_little_endian = little_endianess(); + + /// the output + output_adapter_t oa = nullptr; +}; +} // namespace detail +} // namespace nlohmann + +// #include + +// #include + + +#include // reverse, remove, fill, find, none_of +#include // array +#include // localeconv, lconv +#include // labs, isfinite, isnan, signbit +#include // size_t, ptrdiff_t +#include // uint8_t +#include // snprintf +#include // numeric_limits +#include // string, char_traits +#include // is_same +#include // move + +// #include + + +#include // array +#include // signbit, isfinite +#include // intN_t, uintN_t +#include // memcpy, memmove +#include // numeric_limits +#include // conditional + +// #include + + +namespace nlohmann +{ +namespace detail +{ + +/*! +@brief implements the Grisu2 algorithm for binary to decimal floating-point +conversion. + +This implementation is a slightly modified version of the reference +implementation which may be obtained from +http://florian.loitsch.com/publications (bench.tar.gz). + +The code is distributed under the MIT license, Copyright (c) 2009 Florian Loitsch. + +For a detailed description of the algorithm see: + +[1] Loitsch, "Printing Floating-Point Numbers Quickly and Accurately with + Integers", Proceedings of the ACM SIGPLAN 2010 Conference on Programming + Language Design and Implementation, PLDI 2010 +[2] Burger, Dybvig, "Printing Floating-Point Numbers Quickly and Accurately", + Proceedings of the ACM SIGPLAN 1996 Conference on Programming Language + Design and Implementation, PLDI 1996 +*/ +namespace dtoa_impl +{ + +template +Target reinterpret_bits(const Source source) +{ + static_assert(sizeof(Target) == sizeof(Source), "size mismatch"); + + Target target; + std::memcpy(&target, &source, sizeof(Source)); + return target; +} + +struct diyfp // f * 2^e +{ + static constexpr int kPrecision = 64; // = q + + std::uint64_t f = 0; + int e = 0; + + constexpr diyfp(std::uint64_t f_, int e_) noexcept : f(f_), e(e_) {} + + /*! + @brief returns x - y + @pre x.e == y.e and x.f >= y.f + */ + static diyfp sub(const diyfp& x, const diyfp& y) noexcept + { + JSON_ASSERT(x.e == y.e); + JSON_ASSERT(x.f >= y.f); + + return {x.f - y.f, x.e}; + } + + /*! + @brief returns x * y + @note The result is rounded. (Only the upper q bits are returned.) + */ + static diyfp mul(const diyfp& x, const diyfp& y) noexcept + { + static_assert(kPrecision == 64, "internal error"); + + // Computes: + // f = round((x.f * y.f) / 2^q) + // e = x.e + y.e + q + + // Emulate the 64-bit * 64-bit multiplication: + // + // p = u * v + // = (u_lo + 2^32 u_hi) (v_lo + 2^32 v_hi) + // = (u_lo v_lo ) + 2^32 ((u_lo v_hi ) + (u_hi v_lo )) + 2^64 (u_hi v_hi ) + // = (p0 ) + 2^32 ((p1 ) + (p2 )) + 2^64 (p3 ) + // = (p0_lo + 2^32 p0_hi) + 2^32 ((p1_lo + 2^32 p1_hi) + (p2_lo + 2^32 p2_hi)) + 2^64 (p3 ) + // = (p0_lo ) + 2^32 (p0_hi + p1_lo + p2_lo ) + 2^64 (p1_hi + p2_hi + p3) + // = (p0_lo ) + 2^32 (Q ) + 2^64 (H ) + // = (p0_lo ) + 2^32 (Q_lo + 2^32 Q_hi ) + 2^64 (H ) + // + // (Since Q might be larger than 2^32 - 1) + // + // = (p0_lo + 2^32 Q_lo) + 2^64 (Q_hi + H) + // + // (Q_hi + H does not overflow a 64-bit int) + // + // = p_lo + 2^64 p_hi + + const std::uint64_t u_lo = x.f & 0xFFFFFFFFu; + const std::uint64_t u_hi = x.f >> 32u; + const std::uint64_t v_lo = y.f & 0xFFFFFFFFu; + const std::uint64_t v_hi = y.f >> 32u; + + const std::uint64_t p0 = u_lo * v_lo; + const std::uint64_t p1 = u_lo * v_hi; + const std::uint64_t p2 = u_hi * v_lo; + const std::uint64_t p3 = u_hi * v_hi; + + const std::uint64_t p0_hi = p0 >> 32u; + const std::uint64_t p1_lo = p1 & 0xFFFFFFFFu; + const std::uint64_t p1_hi = p1 >> 32u; + const std::uint64_t p2_lo = p2 & 0xFFFFFFFFu; + const std::uint64_t p2_hi = p2 >> 32u; + + std::uint64_t Q = p0_hi + p1_lo + p2_lo; + + // The full product might now be computed as + // + // p_hi = p3 + p2_hi + p1_hi + (Q >> 32) + // p_lo = p0_lo + (Q << 32) + // + // But in this particular case here, the full p_lo is not required. + // Effectively we only need to add the highest bit in p_lo to p_hi (and + // Q_hi + 1 does not overflow). + + Q += std::uint64_t{1} << (64u - 32u - 1u); // round, ties up + + const std::uint64_t h = p3 + p2_hi + p1_hi + (Q >> 32u); + + return {h, x.e + y.e + 64}; + } + + /*! + @brief normalize x such that the significand is >= 2^(q-1) + @pre x.f != 0 + */ + static diyfp normalize(diyfp x) noexcept + { + JSON_ASSERT(x.f != 0); + + while ((x.f >> 63u) == 0) + { + x.f <<= 1u; + x.e--; + } + + return x; + } + + /*! + @brief normalize x such that the result has the exponent E + @pre e >= x.e and the upper e - x.e bits of x.f must be zero. + */ + static diyfp normalize_to(const diyfp& x, const int target_exponent) noexcept + { + const int delta = x.e - target_exponent; + + JSON_ASSERT(delta >= 0); + JSON_ASSERT(((x.f << delta) >> delta) == x.f); + + return {x.f << delta, target_exponent}; + } +}; + +struct boundaries +{ + diyfp w; + diyfp minus; + diyfp plus; +}; + +/*! +Compute the (normalized) diyfp representing the input number 'value' and its +boundaries. + +@pre value must be finite and positive +*/ +template +boundaries compute_boundaries(FloatType value) +{ + JSON_ASSERT(std::isfinite(value)); + JSON_ASSERT(value > 0); + + // Convert the IEEE representation into a diyfp. + // + // If v is denormal: + // value = 0.F * 2^(1 - bias) = ( F) * 2^(1 - bias - (p-1)) + // If v is normalized: + // value = 1.F * 2^(E - bias) = (2^(p-1) + F) * 2^(E - bias - (p-1)) + + static_assert(std::numeric_limits::is_iec559, + "internal error: dtoa_short requires an IEEE-754 floating-point implementation"); + + constexpr int kPrecision = std::numeric_limits::digits; // = p (includes the hidden bit) + constexpr int kBias = std::numeric_limits::max_exponent - 1 + (kPrecision - 1); + constexpr int kMinExp = 1 - kBias; + constexpr std::uint64_t kHiddenBit = std::uint64_t{1} << (kPrecision - 1); // = 2^(p-1) + + using bits_type = typename std::conditional::type; + + const std::uint64_t bits = reinterpret_bits(value); + const std::uint64_t E = bits >> (kPrecision - 1); + const std::uint64_t F = bits & (kHiddenBit - 1); + + const bool is_denormal = E == 0; + const diyfp v = is_denormal + ? diyfp(F, kMinExp) + : diyfp(F + kHiddenBit, static_cast(E) - kBias); + + // Compute the boundaries m- and m+ of the floating-point value + // v = f * 2^e. + // + // Determine v- and v+, the floating-point predecessor and successor if v, + // respectively. + // + // v- = v - 2^e if f != 2^(p-1) or e == e_min (A) + // = v - 2^(e-1) if f == 2^(p-1) and e > e_min (B) + // + // v+ = v + 2^e + // + // Let m- = (v- + v) / 2 and m+ = (v + v+) / 2. All real numbers _strictly_ + // between m- and m+ round to v, regardless of how the input rounding + // algorithm breaks ties. + // + // ---+-------------+-------------+-------------+-------------+--- (A) + // v- m- v m+ v+ + // + // -----------------+------+------+-------------+-------------+--- (B) + // v- m- v m+ v+ + + const bool lower_boundary_is_closer = F == 0 && E > 1; + const diyfp m_plus = diyfp(2 * v.f + 1, v.e - 1); + const diyfp m_minus = lower_boundary_is_closer + ? diyfp(4 * v.f - 1, v.e - 2) // (B) + : diyfp(2 * v.f - 1, v.e - 1); // (A) + + // Determine the normalized w+ = m+. + const diyfp w_plus = diyfp::normalize(m_plus); + + // Determine w- = m- such that e_(w-) = e_(w+). + const diyfp w_minus = diyfp::normalize_to(m_minus, w_plus.e); + + return {diyfp::normalize(v), w_minus, w_plus}; +} + +// Given normalized diyfp w, Grisu needs to find a (normalized) cached +// power-of-ten c, such that the exponent of the product c * w = f * 2^e lies +// within a certain range [alpha, gamma] (Definition 3.2 from [1]) +// +// alpha <= e = e_c + e_w + q <= gamma +// +// or +// +// f_c * f_w * 2^alpha <= f_c 2^(e_c) * f_w 2^(e_w) * 2^q +// <= f_c * f_w * 2^gamma +// +// Since c and w are normalized, i.e. 2^(q-1) <= f < 2^q, this implies +// +// 2^(q-1) * 2^(q-1) * 2^alpha <= c * w * 2^q < 2^q * 2^q * 2^gamma +// +// or +// +// 2^(q - 2 + alpha) <= c * w < 2^(q + gamma) +// +// The choice of (alpha,gamma) determines the size of the table and the form of +// the digit generation procedure. Using (alpha,gamma)=(-60,-32) works out well +// in practice: +// +// The idea is to cut the number c * w = f * 2^e into two parts, which can be +// processed independently: An integral part p1, and a fractional part p2: +// +// f * 2^e = ( (f div 2^-e) * 2^-e + (f mod 2^-e) ) * 2^e +// = (f div 2^-e) + (f mod 2^-e) * 2^e +// = p1 + p2 * 2^e +// +// The conversion of p1 into decimal form requires a series of divisions and +// modulos by (a power of) 10. These operations are faster for 32-bit than for +// 64-bit integers, so p1 should ideally fit into a 32-bit integer. This can be +// achieved by choosing +// +// -e >= 32 or e <= -32 := gamma +// +// In order to convert the fractional part +// +// p2 * 2^e = p2 / 2^-e = d[-1] / 10^1 + d[-2] / 10^2 + ... +// +// into decimal form, the fraction is repeatedly multiplied by 10 and the digits +// d[-i] are extracted in order: +// +// (10 * p2) div 2^-e = d[-1] +// (10 * p2) mod 2^-e = d[-2] / 10^1 + ... +// +// The multiplication by 10 must not overflow. It is sufficient to choose +// +// 10 * p2 < 16 * p2 = 2^4 * p2 <= 2^64. +// +// Since p2 = f mod 2^-e < 2^-e, +// +// -e <= 60 or e >= -60 := alpha + +constexpr int kAlpha = -60; +constexpr int kGamma = -32; + +struct cached_power // c = f * 2^e ~= 10^k +{ + std::uint64_t f; + int e; + int k; +}; + +/*! +For a normalized diyfp w = f * 2^e, this function returns a (normalized) cached +power-of-ten c = f_c * 2^e_c, such that the exponent of the product w * c +satisfies (Definition 3.2 from [1]) + + alpha <= e_c + e + q <= gamma. +*/ +inline cached_power get_cached_power_for_binary_exponent(int e) +{ + // Now + // + // alpha <= e_c + e + q <= gamma (1) + // ==> f_c * 2^alpha <= c * 2^e * 2^q + // + // and since the c's are normalized, 2^(q-1) <= f_c, + // + // ==> 2^(q - 1 + alpha) <= c * 2^(e + q) + // ==> 2^(alpha - e - 1) <= c + // + // If c were an exact power of ten, i.e. c = 10^k, one may determine k as + // + // k = ceil( log_10( 2^(alpha - e - 1) ) ) + // = ceil( (alpha - e - 1) * log_10(2) ) + // + // From the paper: + // "In theory the result of the procedure could be wrong since c is rounded, + // and the computation itself is approximated [...]. In practice, however, + // this simple function is sufficient." + // + // For IEEE double precision floating-point numbers converted into + // normalized diyfp's w = f * 2^e, with q = 64, + // + // e >= -1022 (min IEEE exponent) + // -52 (p - 1) + // -52 (p - 1, possibly normalize denormal IEEE numbers) + // -11 (normalize the diyfp) + // = -1137 + // + // and + // + // e <= +1023 (max IEEE exponent) + // -52 (p - 1) + // -11 (normalize the diyfp) + // = 960 + // + // This binary exponent range [-1137,960] results in a decimal exponent + // range [-307,324]. One does not need to store a cached power for each + // k in this range. For each such k it suffices to find a cached power + // such that the exponent of the product lies in [alpha,gamma]. + // This implies that the difference of the decimal exponents of adjacent + // table entries must be less than or equal to + // + // floor( (gamma - alpha) * log_10(2) ) = 8. + // + // (A smaller distance gamma-alpha would require a larger table.) + + // NB: + // Actually this function returns c, such that -60 <= e_c + e + 64 <= -34. + + constexpr int kCachedPowersMinDecExp = -300; + constexpr int kCachedPowersDecStep = 8; + + static constexpr std::array kCachedPowers = + { + { + { 0xAB70FE17C79AC6CA, -1060, -300 }, + { 0xFF77B1FCBEBCDC4F, -1034, -292 }, + { 0xBE5691EF416BD60C, -1007, -284 }, + { 0x8DD01FAD907FFC3C, -980, -276 }, + { 0xD3515C2831559A83, -954, -268 }, + { 0x9D71AC8FADA6C9B5, -927, -260 }, + { 0xEA9C227723EE8BCB, -901, -252 }, + { 0xAECC49914078536D, -874, -244 }, + { 0x823C12795DB6CE57, -847, -236 }, + { 0xC21094364DFB5637, -821, -228 }, + { 0x9096EA6F3848984F, -794, -220 }, + { 0xD77485CB25823AC7, -768, -212 }, + { 0xA086CFCD97BF97F4, -741, -204 }, + { 0xEF340A98172AACE5, -715, -196 }, + { 0xB23867FB2A35B28E, -688, -188 }, + { 0x84C8D4DFD2C63F3B, -661, -180 }, + { 0xC5DD44271AD3CDBA, -635, -172 }, + { 0x936B9FCEBB25C996, -608, -164 }, + { 0xDBAC6C247D62A584, -582, -156 }, + { 0xA3AB66580D5FDAF6, -555, -148 }, + { 0xF3E2F893DEC3F126, -529, -140 }, + { 0xB5B5ADA8AAFF80B8, -502, -132 }, + { 0x87625F056C7C4A8B, -475, -124 }, + { 0xC9BCFF6034C13053, -449, -116 }, + { 0x964E858C91BA2655, -422, -108 }, + { 0xDFF9772470297EBD, -396, -100 }, + { 0xA6DFBD9FB8E5B88F, -369, -92 }, + { 0xF8A95FCF88747D94, -343, -84 }, + { 0xB94470938FA89BCF, -316, -76 }, + { 0x8A08F0F8BF0F156B, -289, -68 }, + { 0xCDB02555653131B6, -263, -60 }, + { 0x993FE2C6D07B7FAC, -236, -52 }, + { 0xE45C10C42A2B3B06, -210, -44 }, + { 0xAA242499697392D3, -183, -36 }, + { 0xFD87B5F28300CA0E, -157, -28 }, + { 0xBCE5086492111AEB, -130, -20 }, + { 0x8CBCCC096F5088CC, -103, -12 }, + { 0xD1B71758E219652C, -77, -4 }, + { 0x9C40000000000000, -50, 4 }, + { 0xE8D4A51000000000, -24, 12 }, + { 0xAD78EBC5AC620000, 3, 20 }, + { 0x813F3978F8940984, 30, 28 }, + { 0xC097CE7BC90715B3, 56, 36 }, + { 0x8F7E32CE7BEA5C70, 83, 44 }, + { 0xD5D238A4ABE98068, 109, 52 }, + { 0x9F4F2726179A2245, 136, 60 }, + { 0xED63A231D4C4FB27, 162, 68 }, + { 0xB0DE65388CC8ADA8, 189, 76 }, + { 0x83C7088E1AAB65DB, 216, 84 }, + { 0xC45D1DF942711D9A, 242, 92 }, + { 0x924D692CA61BE758, 269, 100 }, + { 0xDA01EE641A708DEA, 295, 108 }, + { 0xA26DA3999AEF774A, 322, 116 }, + { 0xF209787BB47D6B85, 348, 124 }, + { 0xB454E4A179DD1877, 375, 132 }, + { 0x865B86925B9BC5C2, 402, 140 }, + { 0xC83553C5C8965D3D, 428, 148 }, + { 0x952AB45CFA97A0B3, 455, 156 }, + { 0xDE469FBD99A05FE3, 481, 164 }, + { 0xA59BC234DB398C25, 508, 172 }, + { 0xF6C69A72A3989F5C, 534, 180 }, + { 0xB7DCBF5354E9BECE, 561, 188 }, + { 0x88FCF317F22241E2, 588, 196 }, + { 0xCC20CE9BD35C78A5, 614, 204 }, + { 0x98165AF37B2153DF, 641, 212 }, + { 0xE2A0B5DC971F303A, 667, 220 }, + { 0xA8D9D1535CE3B396, 694, 228 }, + { 0xFB9B7CD9A4A7443C, 720, 236 }, + { 0xBB764C4CA7A44410, 747, 244 }, + { 0x8BAB8EEFB6409C1A, 774, 252 }, + { 0xD01FEF10A657842C, 800, 260 }, + { 0x9B10A4E5E9913129, 827, 268 }, + { 0xE7109BFBA19C0C9D, 853, 276 }, + { 0xAC2820D9623BF429, 880, 284 }, + { 0x80444B5E7AA7CF85, 907, 292 }, + { 0xBF21E44003ACDD2D, 933, 300 }, + { 0x8E679C2F5E44FF8F, 960, 308 }, + { 0xD433179D9C8CB841, 986, 316 }, + { 0x9E19DB92B4E31BA9, 1013, 324 }, + } + }; + + // This computation gives exactly the same results for k as + // k = ceil((kAlpha - e - 1) * 0.30102999566398114) + // for |e| <= 1500, but doesn't require floating-point operations. + // NB: log_10(2) ~= 78913 / 2^18 + JSON_ASSERT(e >= -1500); + JSON_ASSERT(e <= 1500); + const int f = kAlpha - e - 1; + const int k = (f * 78913) / (1 << 18) + static_cast(f > 0); + + const int index = (-kCachedPowersMinDecExp + k + (kCachedPowersDecStep - 1)) / kCachedPowersDecStep; + JSON_ASSERT(index >= 0); + JSON_ASSERT(static_cast(index) < kCachedPowers.size()); + + const cached_power cached = kCachedPowers[static_cast(index)]; + JSON_ASSERT(kAlpha <= cached.e + e + 64); + JSON_ASSERT(kGamma >= cached.e + e + 64); + + return cached; +} + +/*! +For n != 0, returns k, such that pow10 := 10^(k-1) <= n < 10^k. +For n == 0, returns 1 and sets pow10 := 1. +*/ +inline int find_largest_pow10(const std::uint32_t n, std::uint32_t& pow10) +{ + // LCOV_EXCL_START + if (n >= 1000000000) + { + pow10 = 1000000000; + return 10; + } + // LCOV_EXCL_STOP + else if (n >= 100000000) + { + pow10 = 100000000; + return 9; + } + else if (n >= 10000000) + { + pow10 = 10000000; + return 8; + } + else if (n >= 1000000) + { + pow10 = 1000000; + return 7; + } + else if (n >= 100000) + { + pow10 = 100000; + return 6; + } + else if (n >= 10000) + { + pow10 = 10000; + return 5; + } + else if (n >= 1000) + { + pow10 = 1000; + return 4; + } + else if (n >= 100) + { + pow10 = 100; + return 3; + } + else if (n >= 10) + { + pow10 = 10; + return 2; + } + else + { + pow10 = 1; + return 1; + } +} + +inline void grisu2_round(char* buf, int len, std::uint64_t dist, std::uint64_t delta, + std::uint64_t rest, std::uint64_t ten_k) +{ + JSON_ASSERT(len >= 1); + JSON_ASSERT(dist <= delta); + JSON_ASSERT(rest <= delta); + JSON_ASSERT(ten_k > 0); + + // <--------------------------- delta ----> + // <---- dist ---------> + // --------------[------------------+-------------------]-------------- + // M- w M+ + // + // ten_k + // <------> + // <---- rest ----> + // --------------[------------------+----+--------------]-------------- + // w V + // = buf * 10^k + // + // ten_k represents a unit-in-the-last-place in the decimal representation + // stored in buf. + // Decrement buf by ten_k while this takes buf closer to w. + + // The tests are written in this order to avoid overflow in unsigned + // integer arithmetic. + + while (rest < dist + && delta - rest >= ten_k + && (rest + ten_k < dist || dist - rest > rest + ten_k - dist)) + { + JSON_ASSERT(buf[len - 1] != '0'); + buf[len - 1]--; + rest += ten_k; + } +} + +/*! +Generates V = buffer * 10^decimal_exponent, such that M- <= V <= M+. +M- and M+ must be normalized and share the same exponent -60 <= e <= -32. +*/ +inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent, + diyfp M_minus, diyfp w, diyfp M_plus) +{ + static_assert(kAlpha >= -60, "internal error"); + static_assert(kGamma <= -32, "internal error"); + + // Generates the digits (and the exponent) of a decimal floating-point + // number V = buffer * 10^decimal_exponent in the range [M-, M+]. The diyfp's + // w, M- and M+ share the same exponent e, which satisfies alpha <= e <= gamma. + // + // <--------------------------- delta ----> + // <---- dist ---------> + // --------------[------------------+-------------------]-------------- + // M- w M+ + // + // Grisu2 generates the digits of M+ from left to right and stops as soon as + // V is in [M-,M+]. + + JSON_ASSERT(M_plus.e >= kAlpha); + JSON_ASSERT(M_plus.e <= kGamma); + + std::uint64_t delta = diyfp::sub(M_plus, M_minus).f; // (significand of (M+ - M-), implicit exponent is e) + std::uint64_t dist = diyfp::sub(M_plus, w ).f; // (significand of (M+ - w ), implicit exponent is e) + + // Split M+ = f * 2^e into two parts p1 and p2 (note: e < 0): + // + // M+ = f * 2^e + // = ((f div 2^-e) * 2^-e + (f mod 2^-e)) * 2^e + // = ((p1 ) * 2^-e + (p2 )) * 2^e + // = p1 + p2 * 2^e + + const diyfp one(std::uint64_t{1} << -M_plus.e, M_plus.e); + + auto p1 = static_cast(M_plus.f >> -one.e); // p1 = f div 2^-e (Since -e >= 32, p1 fits into a 32-bit int.) + std::uint64_t p2 = M_plus.f & (one.f - 1); // p2 = f mod 2^-e + + // 1) + // + // Generate the digits of the integral part p1 = d[n-1]...d[1]d[0] + + JSON_ASSERT(p1 > 0); + + std::uint32_t pow10; + const int k = find_largest_pow10(p1, pow10); + + // 10^(k-1) <= p1 < 10^k, pow10 = 10^(k-1) + // + // p1 = (p1 div 10^(k-1)) * 10^(k-1) + (p1 mod 10^(k-1)) + // = (d[k-1] ) * 10^(k-1) + (p1 mod 10^(k-1)) + // + // M+ = p1 + p2 * 2^e + // = d[k-1] * 10^(k-1) + (p1 mod 10^(k-1)) + p2 * 2^e + // = d[k-1] * 10^(k-1) + ((p1 mod 10^(k-1)) * 2^-e + p2) * 2^e + // = d[k-1] * 10^(k-1) + ( rest) * 2^e + // + // Now generate the digits d[n] of p1 from left to right (n = k-1,...,0) + // + // p1 = d[k-1]...d[n] * 10^n + d[n-1]...d[0] + // + // but stop as soon as + // + // rest * 2^e = (d[n-1]...d[0] * 2^-e + p2) * 2^e <= delta * 2^e + + int n = k; + while (n > 0) + { + // Invariants: + // M+ = buffer * 10^n + (p1 + p2 * 2^e) (buffer = 0 for n = k) + // pow10 = 10^(n-1) <= p1 < 10^n + // + const std::uint32_t d = p1 / pow10; // d = p1 div 10^(n-1) + const std::uint32_t r = p1 % pow10; // r = p1 mod 10^(n-1) + // + // M+ = buffer * 10^n + (d * 10^(n-1) + r) + p2 * 2^e + // = (buffer * 10 + d) * 10^(n-1) + (r + p2 * 2^e) + // + JSON_ASSERT(d <= 9); + buffer[length++] = static_cast('0' + d); // buffer := buffer * 10 + d + // + // M+ = buffer * 10^(n-1) + (r + p2 * 2^e) + // + p1 = r; + n--; + // + // M+ = buffer * 10^n + (p1 + p2 * 2^e) + // pow10 = 10^n + // + + // Now check if enough digits have been generated. + // Compute + // + // p1 + p2 * 2^e = (p1 * 2^-e + p2) * 2^e = rest * 2^e + // + // Note: + // Since rest and delta share the same exponent e, it suffices to + // compare the significands. + const std::uint64_t rest = (std::uint64_t{p1} << -one.e) + p2; + if (rest <= delta) + { + // V = buffer * 10^n, with M- <= V <= M+. + + decimal_exponent += n; + + // We may now just stop. But instead look if the buffer could be + // decremented to bring V closer to w. + // + // pow10 = 10^n is now 1 ulp in the decimal representation V. + // The rounding procedure works with diyfp's with an implicit + // exponent of e. + // + // 10^n = (10^n * 2^-e) * 2^e = ulp * 2^e + // + const std::uint64_t ten_n = std::uint64_t{pow10} << -one.e; + grisu2_round(buffer, length, dist, delta, rest, ten_n); + + return; + } + + pow10 /= 10; + // + // pow10 = 10^(n-1) <= p1 < 10^n + // Invariants restored. + } + + // 2) + // + // The digits of the integral part have been generated: + // + // M+ = d[k-1]...d[1]d[0] + p2 * 2^e + // = buffer + p2 * 2^e + // + // Now generate the digits of the fractional part p2 * 2^e. + // + // Note: + // No decimal point is generated: the exponent is adjusted instead. + // + // p2 actually represents the fraction + // + // p2 * 2^e + // = p2 / 2^-e + // = d[-1] / 10^1 + d[-2] / 10^2 + ... + // + // Now generate the digits d[-m] of p1 from left to right (m = 1,2,...) + // + // p2 * 2^e = d[-1]d[-2]...d[-m] * 10^-m + // + 10^-m * (d[-m-1] / 10^1 + d[-m-2] / 10^2 + ...) + // + // using + // + // 10^m * p2 = ((10^m * p2) div 2^-e) * 2^-e + ((10^m * p2) mod 2^-e) + // = ( d) * 2^-e + ( r) + // + // or + // 10^m * p2 * 2^e = d + r * 2^e + // + // i.e. + // + // M+ = buffer + p2 * 2^e + // = buffer + 10^-m * (d + r * 2^e) + // = (buffer * 10^m + d) * 10^-m + 10^-m * r * 2^e + // + // and stop as soon as 10^-m * r * 2^e <= delta * 2^e + + JSON_ASSERT(p2 > delta); + + int m = 0; + for (;;) + { + // Invariant: + // M+ = buffer * 10^-m + 10^-m * (d[-m-1] / 10 + d[-m-2] / 10^2 + ...) * 2^e + // = buffer * 10^-m + 10^-m * (p2 ) * 2^e + // = buffer * 10^-m + 10^-m * (1/10 * (10 * p2) ) * 2^e + // = buffer * 10^-m + 10^-m * (1/10 * ((10*p2 div 2^-e) * 2^-e + (10*p2 mod 2^-e)) * 2^e + // + JSON_ASSERT(p2 <= (std::numeric_limits::max)() / 10); + p2 *= 10; + const std::uint64_t d = p2 >> -one.e; // d = (10 * p2) div 2^-e + const std::uint64_t r = p2 & (one.f - 1); // r = (10 * p2) mod 2^-e + // + // M+ = buffer * 10^-m + 10^-m * (1/10 * (d * 2^-e + r) * 2^e + // = buffer * 10^-m + 10^-m * (1/10 * (d + r * 2^e)) + // = (buffer * 10 + d) * 10^(-m-1) + 10^(-m-1) * r * 2^e + // + JSON_ASSERT(d <= 9); + buffer[length++] = static_cast('0' + d); // buffer := buffer * 10 + d + // + // M+ = buffer * 10^(-m-1) + 10^(-m-1) * r * 2^e + // + p2 = r; + m++; + // + // M+ = buffer * 10^-m + 10^-m * p2 * 2^e + // Invariant restored. + + // Check if enough digits have been generated. + // + // 10^-m * p2 * 2^e <= delta * 2^e + // p2 * 2^e <= 10^m * delta * 2^e + // p2 <= 10^m * delta + delta *= 10; + dist *= 10; + if (p2 <= delta) + { + break; + } + } + + // V = buffer * 10^-m, with M- <= V <= M+. + + decimal_exponent -= m; + + // 1 ulp in the decimal representation is now 10^-m. + // Since delta and dist are now scaled by 10^m, we need to do the + // same with ulp in order to keep the units in sync. + // + // 10^m * 10^-m = 1 = 2^-e * 2^e = ten_m * 2^e + // + const std::uint64_t ten_m = one.f; + grisu2_round(buffer, length, dist, delta, p2, ten_m); + + // By construction this algorithm generates the shortest possible decimal + // number (Loitsch, Theorem 6.2) which rounds back to w. + // For an input number of precision p, at least + // + // N = 1 + ceil(p * log_10(2)) + // + // decimal digits are sufficient to identify all binary floating-point + // numbers (Matula, "In-and-Out conversions"). + // This implies that the algorithm does not produce more than N decimal + // digits. + // + // N = 17 for p = 53 (IEEE double precision) + // N = 9 for p = 24 (IEEE single precision) +} + +/*! +v = buf * 10^decimal_exponent +len is the length of the buffer (number of decimal digits) +The buffer must be large enough, i.e. >= max_digits10. +*/ +JSON_HEDLEY_NON_NULL(1) +inline void grisu2(char* buf, int& len, int& decimal_exponent, + diyfp m_minus, diyfp v, diyfp m_plus) +{ + JSON_ASSERT(m_plus.e == m_minus.e); + JSON_ASSERT(m_plus.e == v.e); + + // --------(-----------------------+-----------------------)-------- (A) + // m- v m+ + // + // --------------------(-----------+-----------------------)-------- (B) + // m- v m+ + // + // First scale v (and m- and m+) such that the exponent is in the range + // [alpha, gamma]. + + const cached_power cached = get_cached_power_for_binary_exponent(m_plus.e); + + const diyfp c_minus_k(cached.f, cached.e); // = c ~= 10^-k + + // The exponent of the products is = v.e + c_minus_k.e + q and is in the range [alpha,gamma] + const diyfp w = diyfp::mul(v, c_minus_k); + const diyfp w_minus = diyfp::mul(m_minus, c_minus_k); + const diyfp w_plus = diyfp::mul(m_plus, c_minus_k); + + // ----(---+---)---------------(---+---)---------------(---+---)---- + // w- w w+ + // = c*m- = c*v = c*m+ + // + // diyfp::mul rounds its result and c_minus_k is approximated too. w, w- and + // w+ are now off by a small amount. + // In fact: + // + // w - v * 10^k < 1 ulp + // + // To account for this inaccuracy, add resp. subtract 1 ulp. + // + // --------+---[---------------(---+---)---------------]---+-------- + // w- M- w M+ w+ + // + // Now any number in [M-, M+] (bounds included) will round to w when input, + // regardless of how the input rounding algorithm breaks ties. + // + // And digit_gen generates the shortest possible such number in [M-, M+]. + // Note that this does not mean that Grisu2 always generates the shortest + // possible number in the interval (m-, m+). + const diyfp M_minus(w_minus.f + 1, w_minus.e); + const diyfp M_plus (w_plus.f - 1, w_plus.e ); + + decimal_exponent = -cached.k; // = -(-k) = k + + grisu2_digit_gen(buf, len, decimal_exponent, M_minus, w, M_plus); +} + +/*! +v = buf * 10^decimal_exponent +len is the length of the buffer (number of decimal digits) +The buffer must be large enough, i.e. >= max_digits10. +*/ +template +JSON_HEDLEY_NON_NULL(1) +void grisu2(char* buf, int& len, int& decimal_exponent, FloatType value) +{ + static_assert(diyfp::kPrecision >= std::numeric_limits::digits + 3, + "internal error: not enough precision"); + + JSON_ASSERT(std::isfinite(value)); + JSON_ASSERT(value > 0); + + // If the neighbors (and boundaries) of 'value' are always computed for double-precision + // numbers, all float's can be recovered using strtod (and strtof). However, the resulting + // decimal representations are not exactly "short". + // + // The documentation for 'std::to_chars' (https://en.cppreference.com/w/cpp/utility/to_chars) + // says "value is converted to a string as if by std::sprintf in the default ("C") locale" + // and since sprintf promotes float's to double's, I think this is exactly what 'std::to_chars' + // does. + // On the other hand, the documentation for 'std::to_chars' requires that "parsing the + // representation using the corresponding std::from_chars function recovers value exactly". That + // indicates that single precision floating-point numbers should be recovered using + // 'std::strtof'. + // + // NB: If the neighbors are computed for single-precision numbers, there is a single float + // (7.0385307e-26f) which can't be recovered using strtod. The resulting double precision + // value is off by 1 ulp. +#if 0 + const boundaries w = compute_boundaries(static_cast(value)); +#else + const boundaries w = compute_boundaries(value); +#endif + + grisu2(buf, len, decimal_exponent, w.minus, w.w, w.plus); +} + +/*! +@brief appends a decimal representation of e to buf +@return a pointer to the element following the exponent. +@pre -1000 < e < 1000 +*/ +JSON_HEDLEY_NON_NULL(1) +JSON_HEDLEY_RETURNS_NON_NULL +inline char* append_exponent(char* buf, int e) +{ + JSON_ASSERT(e > -1000); + JSON_ASSERT(e < 1000); + + if (e < 0) + { + e = -e; + *buf++ = '-'; + } + else + { + *buf++ = '+'; + } + + auto k = static_cast(e); + if (k < 10) + { + // Always print at least two digits in the exponent. + // This is for compatibility with printf("%g"). + *buf++ = '0'; + *buf++ = static_cast('0' + k); + } + else if (k < 100) + { + *buf++ = static_cast('0' + k / 10); + k %= 10; + *buf++ = static_cast('0' + k); + } + else + { + *buf++ = static_cast('0' + k / 100); + k %= 100; + *buf++ = static_cast('0' + k / 10); + k %= 10; + *buf++ = static_cast('0' + k); + } + + return buf; +} + +/*! +@brief prettify v = buf * 10^decimal_exponent + +If v is in the range [10^min_exp, 10^max_exp) it will be printed in fixed-point +notation. Otherwise it will be printed in exponential notation. + +@pre min_exp < 0 +@pre max_exp > 0 +*/ +JSON_HEDLEY_NON_NULL(1) +JSON_HEDLEY_RETURNS_NON_NULL +inline char* format_buffer(char* buf, int len, int decimal_exponent, + int min_exp, int max_exp) +{ + JSON_ASSERT(min_exp < 0); + JSON_ASSERT(max_exp > 0); + + const int k = len; + const int n = len + decimal_exponent; + + // v = buf * 10^(n-k) + // k is the length of the buffer (number of decimal digits) + // n is the position of the decimal point relative to the start of the buffer. + + if (k <= n && n <= max_exp) + { + // digits[000] + // len <= max_exp + 2 + + std::memset(buf + k, '0', static_cast(n) - static_cast(k)); + // Make it look like a floating-point number (#362, #378) + buf[n + 0] = '.'; + buf[n + 1] = '0'; + return buf + (static_cast(n) + 2); + } + + if (0 < n && n <= max_exp) + { + // dig.its + // len <= max_digits10 + 1 + + JSON_ASSERT(k > n); + + std::memmove(buf + (static_cast(n) + 1), buf + n, static_cast(k) - static_cast(n)); + buf[n] = '.'; + return buf + (static_cast(k) + 1U); + } + + if (min_exp < n && n <= 0) + { + // 0.[000]digits + // len <= 2 + (-min_exp - 1) + max_digits10 + + std::memmove(buf + (2 + static_cast(-n)), buf, static_cast(k)); + buf[0] = '0'; + buf[1] = '.'; + std::memset(buf + 2, '0', static_cast(-n)); + return buf + (2U + static_cast(-n) + static_cast(k)); + } + + if (k == 1) + { + // dE+123 + // len <= 1 + 5 + + buf += 1; + } + else + { + // d.igitsE+123 + // len <= max_digits10 + 1 + 5 + + std::memmove(buf + 2, buf + 1, static_cast(k) - 1); + buf[1] = '.'; + buf += 1 + static_cast(k); + } + + *buf++ = 'e'; + return append_exponent(buf, n - 1); +} + +} // namespace dtoa_impl + +/*! +@brief generates a decimal representation of the floating-point number value in [first, last). + +The format of the resulting decimal representation is similar to printf's %g +format. Returns an iterator pointing past-the-end of the decimal representation. + +@note The input number must be finite, i.e. NaN's and Inf's are not supported. +@note The buffer must be large enough. +@note The result is NOT null-terminated. +*/ +template +JSON_HEDLEY_NON_NULL(1, 2) +JSON_HEDLEY_RETURNS_NON_NULL +char* to_chars(char* first, const char* last, FloatType value) +{ + static_cast(last); // maybe unused - fix warning + JSON_ASSERT(std::isfinite(value)); + + // Use signbit(value) instead of (value < 0) since signbit works for -0. + if (std::signbit(value)) + { + value = -value; + *first++ = '-'; + } + + if (value == 0) // +-0 + { + *first++ = '0'; + // Make it look like a floating-point number (#362, #378) + *first++ = '.'; + *first++ = '0'; + return first; + } + + JSON_ASSERT(last - first >= std::numeric_limits::max_digits10); + + // Compute v = buffer * 10^decimal_exponent. + // The decimal digits are stored in the buffer, which needs to be interpreted + // as an unsigned decimal integer. + // len is the length of the buffer, i.e. the number of decimal digits. + int len = 0; + int decimal_exponent = 0; + dtoa_impl::grisu2(first, len, decimal_exponent, value); + + JSON_ASSERT(len <= std::numeric_limits::max_digits10); + + // Format the buffer like printf("%.*g", prec, value) + constexpr int kMinExp = -4; + // Use digits10 here to increase compatibility with version 2. + constexpr int kMaxExp = std::numeric_limits::digits10; + + JSON_ASSERT(last - first >= kMaxExp + 2); + JSON_ASSERT(last - first >= 2 + (-kMinExp - 1) + std::numeric_limits::max_digits10); + JSON_ASSERT(last - first >= std::numeric_limits::max_digits10 + 6); + + return dtoa_impl::format_buffer(first, len, decimal_exponent, kMinExp, kMaxExp); +} + +} // namespace detail +} // namespace nlohmann + +// #include + +// #include + +// #include + +// #include + +// #include + +// #include + + +namespace nlohmann +{ +namespace detail +{ +/////////////////// +// serialization // +/////////////////// + +/// how to treat decoding errors +enum class error_handler_t +{ + strict, ///< throw a type_error exception in case of invalid UTF-8 + replace, ///< replace invalid UTF-8 sequences with U+FFFD + ignore ///< ignore invalid UTF-8 sequences +}; + +template +class serializer +{ + using string_t = typename BasicJsonType::string_t; + using number_float_t = typename BasicJsonType::number_float_t; + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using binary_char_t = typename BasicJsonType::binary_t::value_type; + static constexpr std::uint8_t UTF8_ACCEPT = 0; + static constexpr std::uint8_t UTF8_REJECT = 1; + + public: + /*! + @param[in] s output stream to serialize to + @param[in] ichar indentation character to use + @param[in] error_handler_ how to react on decoding errors + */ + serializer(output_adapter_t s, const char ichar, + error_handler_t error_handler_ = error_handler_t::strict) + : o(std::move(s)) + , loc(std::localeconv()) + , thousands_sep(loc->thousands_sep == nullptr ? '\0' : std::char_traits::to_char_type(* (loc->thousands_sep))) + , decimal_point(loc->decimal_point == nullptr ? '\0' : std::char_traits::to_char_type(* (loc->decimal_point))) + , indent_char(ichar) + , indent_string(512, indent_char) + , error_handler(error_handler_) + {} + + // delete because of pointer members + serializer(const serializer&) = delete; + serializer& operator=(const serializer&) = delete; + serializer(serializer&&) = delete; + serializer& operator=(serializer&&) = delete; + ~serializer() = default; + + /*! + @brief internal implementation of the serialization function + + This function is called by the public member function dump and organizes + the serialization internally. The indentation level is propagated as + additional parameter. In case of arrays and objects, the function is + called recursively. + + - strings and object keys are escaped using `escape_string()` + - integer numbers are converted implicitly via `operator<<` + - floating-point numbers are converted to a string using `"%g"` format + - binary values are serialized as objects containing the subtype and the + byte array + + @param[in] val value to serialize + @param[in] pretty_print whether the output shall be pretty-printed + @param[in] ensure_ascii If @a ensure_ascii is true, all non-ASCII characters + in the output are escaped with `\uXXXX` sequences, and the result consists + of ASCII characters only. + @param[in] indent_step the indent level + @param[in] current_indent the current indent level (only used internally) + */ + void dump(const BasicJsonType& val, + const bool pretty_print, + const bool ensure_ascii, + const unsigned int indent_step, + const unsigned int current_indent = 0) + { + switch (val.m_type) + { + case value_t::object: + { + if (val.m_value.object->empty()) + { + o->write_characters("{}", 2); + return; + } + + if (pretty_print) + { + o->write_characters("{\n", 2); + + // variable to hold indentation for recursive calls + const auto new_indent = current_indent + indent_step; + if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) + { + indent_string.resize(indent_string.size() * 2, ' '); + } + + // first n-1 elements + auto i = val.m_value.object->cbegin(); + for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) + { + o->write_characters(indent_string.c_str(), new_indent); + o->write_character('\"'); + dump_escaped(i->first, ensure_ascii); + o->write_characters("\": ", 3); + dump(i->second, true, ensure_ascii, indent_step, new_indent); + o->write_characters(",\n", 2); + } + + // last element + JSON_ASSERT(i != val.m_value.object->cend()); + JSON_ASSERT(std::next(i) == val.m_value.object->cend()); + o->write_characters(indent_string.c_str(), new_indent); + o->write_character('\"'); + dump_escaped(i->first, ensure_ascii); + o->write_characters("\": ", 3); + dump(i->second, true, ensure_ascii, indent_step, new_indent); + + o->write_character('\n'); + o->write_characters(indent_string.c_str(), current_indent); + o->write_character('}'); + } + else + { + o->write_character('{'); + + // first n-1 elements + auto i = val.m_value.object->cbegin(); + for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) + { + o->write_character('\"'); + dump_escaped(i->first, ensure_ascii); + o->write_characters("\":", 2); + dump(i->second, false, ensure_ascii, indent_step, current_indent); + o->write_character(','); + } + + // last element + JSON_ASSERT(i != val.m_value.object->cend()); + JSON_ASSERT(std::next(i) == val.m_value.object->cend()); + o->write_character('\"'); + dump_escaped(i->first, ensure_ascii); + o->write_characters("\":", 2); + dump(i->second, false, ensure_ascii, indent_step, current_indent); + + o->write_character('}'); + } + + return; + } + + case value_t::array: + { + if (val.m_value.array->empty()) + { + o->write_characters("[]", 2); + return; + } + + if (pretty_print) + { + o->write_characters("[\n", 2); + + // variable to hold indentation for recursive calls + const auto new_indent = current_indent + indent_step; + if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) + { + indent_string.resize(indent_string.size() * 2, ' '); + } + + // first n-1 elements + for (auto i = val.m_value.array->cbegin(); + i != val.m_value.array->cend() - 1; ++i) + { + o->write_characters(indent_string.c_str(), new_indent); + dump(*i, true, ensure_ascii, indent_step, new_indent); + o->write_characters(",\n", 2); + } + + // last element + JSON_ASSERT(!val.m_value.array->empty()); + o->write_characters(indent_string.c_str(), new_indent); + dump(val.m_value.array->back(), true, ensure_ascii, indent_step, new_indent); + + o->write_character('\n'); + o->write_characters(indent_string.c_str(), current_indent); + o->write_character(']'); + } + else + { + o->write_character('['); + + // first n-1 elements + for (auto i = val.m_value.array->cbegin(); + i != val.m_value.array->cend() - 1; ++i) + { + dump(*i, false, ensure_ascii, indent_step, current_indent); + o->write_character(','); + } + + // last element + JSON_ASSERT(!val.m_value.array->empty()); + dump(val.m_value.array->back(), false, ensure_ascii, indent_step, current_indent); + + o->write_character(']'); + } + + return; + } + + case value_t::string: + { + o->write_character('\"'); + dump_escaped(*val.m_value.string, ensure_ascii); + o->write_character('\"'); + return; + } + + case value_t::binary: + { + if (pretty_print) + { + o->write_characters("{\n", 2); + + // variable to hold indentation for recursive calls + const auto new_indent = current_indent + indent_step; + if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) + { + indent_string.resize(indent_string.size() * 2, ' '); + } + + o->write_characters(indent_string.c_str(), new_indent); + + o->write_characters("\"bytes\": [", 10); + + if (!val.m_value.binary->empty()) + { + for (auto i = val.m_value.binary->cbegin(); + i != val.m_value.binary->cend() - 1; ++i) + { + dump_integer(*i); + o->write_characters(", ", 2); + } + dump_integer(val.m_value.binary->back()); + } + + o->write_characters("],\n", 3); + o->write_characters(indent_string.c_str(), new_indent); + + o->write_characters("\"subtype\": ", 11); + if (val.m_value.binary->has_subtype()) + { + dump_integer(val.m_value.binary->subtype()); + } + else + { + o->write_characters("null", 4); + } + o->write_character('\n'); + o->write_characters(indent_string.c_str(), current_indent); + o->write_character('}'); + } + else + { + o->write_characters("{\"bytes\":[", 10); + + if (!val.m_value.binary->empty()) + { + for (auto i = val.m_value.binary->cbegin(); + i != val.m_value.binary->cend() - 1; ++i) + { + dump_integer(*i); + o->write_character(','); + } + dump_integer(val.m_value.binary->back()); + } + + o->write_characters("],\"subtype\":", 12); + if (val.m_value.binary->has_subtype()) + { + dump_integer(val.m_value.binary->subtype()); + o->write_character('}'); + } + else + { + o->write_characters("null}", 5); + } + } + return; + } + + case value_t::boolean: + { + if (val.m_value.boolean) + { + o->write_characters("true", 4); + } + else + { + o->write_characters("false", 5); + } + return; + } + + case value_t::number_integer: + { + dump_integer(val.m_value.number_integer); + return; + } + + case value_t::number_unsigned: + { + dump_integer(val.m_value.number_unsigned); + return; + } + + case value_t::number_float: + { + dump_float(val.m_value.number_float); + return; + } + + case value_t::discarded: + { + o->write_characters("", 11); + return; + } + + case value_t::null: + { + o->write_characters("null", 4); + return; + } + + default: // LCOV_EXCL_LINE + JSON_ASSERT(false); // LCOV_EXCL_LINE + } + } + + private: + /*! + @brief dump escaped string + + Escape a string by replacing certain special characters by a sequence of an + escape character (backslash) and another character and other control + characters by a sequence of "\u" followed by a four-digit hex + representation. The escaped string is written to output stream @a o. + + @param[in] s the string to escape + @param[in] ensure_ascii whether to escape non-ASCII characters with + \uXXXX sequences + + @complexity Linear in the length of string @a s. + */ + void dump_escaped(const string_t& s, const bool ensure_ascii) + { + std::uint32_t codepoint; + std::uint8_t state = UTF8_ACCEPT; + std::size_t bytes = 0; // number of bytes written to string_buffer + + // number of bytes written at the point of the last valid byte + std::size_t bytes_after_last_accept = 0; + std::size_t undumped_chars = 0; + + for (std::size_t i = 0; i < s.size(); ++i) + { + const auto byte = static_cast(s[i]); + + switch (decode(state, codepoint, byte)) + { + case UTF8_ACCEPT: // decode found a new code point + { + switch (codepoint) + { + case 0x08: // backspace + { + string_buffer[bytes++] = '\\'; + string_buffer[bytes++] = 'b'; + break; + } + + case 0x09: // horizontal tab + { + string_buffer[bytes++] = '\\'; + string_buffer[bytes++] = 't'; + break; + } + + case 0x0A: // newline + { + string_buffer[bytes++] = '\\'; + string_buffer[bytes++] = 'n'; + break; + } + + case 0x0C: // formfeed + { + string_buffer[bytes++] = '\\'; + string_buffer[bytes++] = 'f'; + break; + } + + case 0x0D: // carriage return + { + string_buffer[bytes++] = '\\'; + string_buffer[bytes++] = 'r'; + break; + } + + case 0x22: // quotation mark + { + string_buffer[bytes++] = '\\'; + string_buffer[bytes++] = '\"'; + break; + } + + case 0x5C: // reverse solidus + { + string_buffer[bytes++] = '\\'; + string_buffer[bytes++] = '\\'; + break; + } + + default: + { + // escape control characters (0x00..0x1F) or, if + // ensure_ascii parameter is used, non-ASCII characters + if ((codepoint <= 0x1F) || (ensure_ascii && (codepoint >= 0x7F))) + { + if (codepoint <= 0xFFFF) + { + (std::snprintf)(string_buffer.data() + bytes, 7, "\\u%04x", + static_cast(codepoint)); + bytes += 6; + } + else + { + (std::snprintf)(string_buffer.data() + bytes, 13, "\\u%04x\\u%04x", + static_cast(0xD7C0u + (codepoint >> 10u)), + static_cast(0xDC00u + (codepoint & 0x3FFu))); + bytes += 12; + } + } + else + { + // copy byte to buffer (all previous bytes + // been copied have in default case above) + string_buffer[bytes++] = s[i]; + } + break; + } + } + + // write buffer and reset index; there must be 13 bytes + // left, as this is the maximal number of bytes to be + // written ("\uxxxx\uxxxx\0") for one code point + if (string_buffer.size() - bytes < 13) + { + o->write_characters(string_buffer.data(), bytes); + bytes = 0; + } + + // remember the byte position of this accept + bytes_after_last_accept = bytes; + undumped_chars = 0; + break; + } + + case UTF8_REJECT: // decode found invalid UTF-8 byte + { + switch (error_handler) + { + case error_handler_t::strict: + { + std::string sn(3, '\0'); + (std::snprintf)(&sn[0], sn.size(), "%.2X", byte); + JSON_THROW(type_error::create(316, "invalid UTF-8 byte at index " + std::to_string(i) + ": 0x" + sn)); + } + + case error_handler_t::ignore: + case error_handler_t::replace: + { + // in case we saw this character the first time, we + // would like to read it again, because the byte + // may be OK for itself, but just not OK for the + // previous sequence + if (undumped_chars > 0) + { + --i; + } + + // reset length buffer to the last accepted index; + // thus removing/ignoring the invalid characters + bytes = bytes_after_last_accept; + + if (error_handler == error_handler_t::replace) + { + // add a replacement character + if (ensure_ascii) + { + string_buffer[bytes++] = '\\'; + string_buffer[bytes++] = 'u'; + string_buffer[bytes++] = 'f'; + string_buffer[bytes++] = 'f'; + string_buffer[bytes++] = 'f'; + string_buffer[bytes++] = 'd'; + } + else + { + string_buffer[bytes++] = detail::binary_writer::to_char_type('\xEF'); + string_buffer[bytes++] = detail::binary_writer::to_char_type('\xBF'); + string_buffer[bytes++] = detail::binary_writer::to_char_type('\xBD'); + } + + // write buffer and reset index; there must be 13 bytes + // left, as this is the maximal number of bytes to be + // written ("\uxxxx\uxxxx\0") for one code point + if (string_buffer.size() - bytes < 13) + { + o->write_characters(string_buffer.data(), bytes); + bytes = 0; + } + + bytes_after_last_accept = bytes; + } + + undumped_chars = 0; + + // continue processing the string + state = UTF8_ACCEPT; + break; + } + + default: // LCOV_EXCL_LINE + JSON_ASSERT(false); // LCOV_EXCL_LINE + } + break; + } + + default: // decode found yet incomplete multi-byte code point + { + if (!ensure_ascii) + { + // code point will not be escaped - copy byte to buffer + string_buffer[bytes++] = s[i]; + } + ++undumped_chars; + break; + } + } + } + + // we finished processing the string + if (JSON_HEDLEY_LIKELY(state == UTF8_ACCEPT)) + { + // write buffer + if (bytes > 0) + { + o->write_characters(string_buffer.data(), bytes); + } + } + else + { + // we finish reading, but do not accept: string was incomplete + switch (error_handler) + { + case error_handler_t::strict: + { + std::string sn(3, '\0'); + (std::snprintf)(&sn[0], sn.size(), "%.2X", static_cast(s.back())); + JSON_THROW(type_error::create(316, "incomplete UTF-8 string; last byte: 0x" + sn)); + } + + case error_handler_t::ignore: + { + // write all accepted bytes + o->write_characters(string_buffer.data(), bytes_after_last_accept); + break; + } + + case error_handler_t::replace: + { + // write all accepted bytes + o->write_characters(string_buffer.data(), bytes_after_last_accept); + // add a replacement character + if (ensure_ascii) + { + o->write_characters("\\ufffd", 6); + } + else + { + o->write_characters("\xEF\xBF\xBD", 3); + } + break; + } + + default: // LCOV_EXCL_LINE + JSON_ASSERT(false); // LCOV_EXCL_LINE + } + } + } + + /*! + @brief count digits + + Count the number of decimal (base 10) digits for an input unsigned integer. + + @param[in] x unsigned integer number to count its digits + @return number of decimal digits + */ + inline unsigned int count_digits(number_unsigned_t x) noexcept + { + unsigned int n_digits = 1; + for (;;) + { + if (x < 10) + { + return n_digits; + } + if (x < 100) + { + return n_digits + 1; + } + if (x < 1000) + { + return n_digits + 2; + } + if (x < 10000) + { + return n_digits + 3; + } + x = x / 10000u; + n_digits += 4; + } + } + + /*! + @brief dump an integer + + Dump a given integer to output stream @a o. Works internally with + @a number_buffer. + + @param[in] x integer number (signed or unsigned) to dump + @tparam NumberType either @a number_integer_t or @a number_unsigned_t + */ + template < typename NumberType, detail::enable_if_t < + std::is_same::value || + std::is_same::value || + std::is_same::value, + int > = 0 > + void dump_integer(NumberType x) + { + static constexpr std::array, 100> digits_to_99 + { + { + {{'0', '0'}}, {{'0', '1'}}, {{'0', '2'}}, {{'0', '3'}}, {{'0', '4'}}, {{'0', '5'}}, {{'0', '6'}}, {{'0', '7'}}, {{'0', '8'}}, {{'0', '9'}}, + {{'1', '0'}}, {{'1', '1'}}, {{'1', '2'}}, {{'1', '3'}}, {{'1', '4'}}, {{'1', '5'}}, {{'1', '6'}}, {{'1', '7'}}, {{'1', '8'}}, {{'1', '9'}}, + {{'2', '0'}}, {{'2', '1'}}, {{'2', '2'}}, {{'2', '3'}}, {{'2', '4'}}, {{'2', '5'}}, {{'2', '6'}}, {{'2', '7'}}, {{'2', '8'}}, {{'2', '9'}}, + {{'3', '0'}}, {{'3', '1'}}, {{'3', '2'}}, {{'3', '3'}}, {{'3', '4'}}, {{'3', '5'}}, {{'3', '6'}}, {{'3', '7'}}, {{'3', '8'}}, {{'3', '9'}}, + {{'4', '0'}}, {{'4', '1'}}, {{'4', '2'}}, {{'4', '3'}}, {{'4', '4'}}, {{'4', '5'}}, {{'4', '6'}}, {{'4', '7'}}, {{'4', '8'}}, {{'4', '9'}}, + {{'5', '0'}}, {{'5', '1'}}, {{'5', '2'}}, {{'5', '3'}}, {{'5', '4'}}, {{'5', '5'}}, {{'5', '6'}}, {{'5', '7'}}, {{'5', '8'}}, {{'5', '9'}}, + {{'6', '0'}}, {{'6', '1'}}, {{'6', '2'}}, {{'6', '3'}}, {{'6', '4'}}, {{'6', '5'}}, {{'6', '6'}}, {{'6', '7'}}, {{'6', '8'}}, {{'6', '9'}}, + {{'7', '0'}}, {{'7', '1'}}, {{'7', '2'}}, {{'7', '3'}}, {{'7', '4'}}, {{'7', '5'}}, {{'7', '6'}}, {{'7', '7'}}, {{'7', '8'}}, {{'7', '9'}}, + {{'8', '0'}}, {{'8', '1'}}, {{'8', '2'}}, {{'8', '3'}}, {{'8', '4'}}, {{'8', '5'}}, {{'8', '6'}}, {{'8', '7'}}, {{'8', '8'}}, {{'8', '9'}}, + {{'9', '0'}}, {{'9', '1'}}, {{'9', '2'}}, {{'9', '3'}}, {{'9', '4'}}, {{'9', '5'}}, {{'9', '6'}}, {{'9', '7'}}, {{'9', '8'}}, {{'9', '9'}}, + } + }; + + // special case for "0" + if (x == 0) + { + o->write_character('0'); + return; + } + + // use a pointer to fill the buffer + auto buffer_ptr = number_buffer.begin(); + + const bool is_negative = std::is_same::value && !(x >= 0); // see issue #755 + number_unsigned_t abs_value; + + unsigned int n_chars; + + if (is_negative) + { + *buffer_ptr = '-'; + abs_value = remove_sign(static_cast(x)); + + // account one more byte for the minus sign + n_chars = 1 + count_digits(abs_value); + } + else + { + abs_value = static_cast(x); + n_chars = count_digits(abs_value); + } + + // spare 1 byte for '\0' + JSON_ASSERT(n_chars < number_buffer.size() - 1); + + // jump to the end to generate the string from backward + // so we later avoid reversing the result + buffer_ptr += n_chars; + + // Fast int2ascii implementation inspired by "Fastware" talk by Andrei Alexandrescu + // See: https://www.youtube.com/watch?v=o4-CwDo2zpg + while (abs_value >= 100) + { + const auto digits_index = static_cast((abs_value % 100)); + abs_value /= 100; + *(--buffer_ptr) = digits_to_99[digits_index][1]; + *(--buffer_ptr) = digits_to_99[digits_index][0]; + } + + if (abs_value >= 10) + { + const auto digits_index = static_cast(abs_value); + *(--buffer_ptr) = digits_to_99[digits_index][1]; + *(--buffer_ptr) = digits_to_99[digits_index][0]; + } + else + { + *(--buffer_ptr) = static_cast('0' + abs_value); + } + + o->write_characters(number_buffer.data(), n_chars); + } + + /*! + @brief dump a floating-point number + + Dump a given floating-point number to output stream @a o. Works internally + with @a number_buffer. + + @param[in] x floating-point number to dump + */ + void dump_float(number_float_t x) + { + // NaN / inf + if (!std::isfinite(x)) + { + o->write_characters("null", 4); + return; + } + + // If number_float_t is an IEEE-754 single or double precision number, + // use the Grisu2 algorithm to produce short numbers which are + // guaranteed to round-trip, using strtof and strtod, resp. + // + // NB: The test below works if == . + static constexpr bool is_ieee_single_or_double + = (std::numeric_limits::is_iec559 && std::numeric_limits::digits == 24 && std::numeric_limits::max_exponent == 128) || + (std::numeric_limits::is_iec559 && std::numeric_limits::digits == 53 && std::numeric_limits::max_exponent == 1024); + + dump_float(x, std::integral_constant()); + } + + void dump_float(number_float_t x, std::true_type /*is_ieee_single_or_double*/) + { + char* begin = number_buffer.data(); + char* end = ::nlohmann::detail::to_chars(begin, begin + number_buffer.size(), x); + + o->write_characters(begin, static_cast(end - begin)); + } + + void dump_float(number_float_t x, std::false_type /*is_ieee_single_or_double*/) + { + // get number of digits for a float -> text -> float round-trip + static constexpr auto d = std::numeric_limits::max_digits10; + + // the actual conversion + std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, x); + + // negative value indicates an error + JSON_ASSERT(len > 0); + // check if buffer was large enough + JSON_ASSERT(static_cast(len) < number_buffer.size()); + + // erase thousands separator + if (thousands_sep != '\0') + { + const auto end = std::remove(number_buffer.begin(), + number_buffer.begin() + len, thousands_sep); + std::fill(end, number_buffer.end(), '\0'); + JSON_ASSERT((end - number_buffer.begin()) <= len); + len = (end - number_buffer.begin()); + } + + // convert decimal point to '.' + if (decimal_point != '\0' && decimal_point != '.') + { + const auto dec_pos = std::find(number_buffer.begin(), number_buffer.end(), decimal_point); + if (dec_pos != number_buffer.end()) + { + *dec_pos = '.'; + } + } + + o->write_characters(number_buffer.data(), static_cast(len)); + + // determine if need to append ".0" + const bool value_is_int_like = + std::none_of(number_buffer.begin(), number_buffer.begin() + len + 1, + [](char c) + { + return c == '.' || c == 'e'; + }); + + if (value_is_int_like) + { + o->write_characters(".0", 2); + } + } + + /*! + @brief check whether a string is UTF-8 encoded + + The function checks each byte of a string whether it is UTF-8 encoded. The + result of the check is stored in the @a state parameter. The function must + be called initially with state 0 (accept). State 1 means the string must + be rejected, because the current byte is not allowed. If the string is + completely processed, but the state is non-zero, the string ended + prematurely; that is, the last byte indicated more bytes should have + followed. + + @param[in,out] state the state of the decoding + @param[in,out] codep codepoint (valid only if resulting state is UTF8_ACCEPT) + @param[in] byte next byte to decode + @return new state + + @note The function has been edited: a std::array is used. + + @copyright Copyright (c) 2008-2009 Bjoern Hoehrmann + @sa http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ + */ + static std::uint8_t decode(std::uint8_t& state, std::uint32_t& codep, const std::uint8_t byte) noexcept + { + static const std::array utf8d = + { + { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00..1F + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 20..3F + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 40..5F + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 60..7F + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, // 80..9F + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, // A0..BF + 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // C0..DF + 0xA, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x4, 0x3, 0x3, // E0..EF + 0xB, 0x6, 0x6, 0x6, 0x5, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, // F0..FF + 0x0, 0x1, 0x2, 0x3, 0x5, 0x8, 0x7, 0x1, 0x1, 0x1, 0x4, 0x6, 0x1, 0x1, 0x1, 0x1, // s0..s0 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, // s1..s2 + 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, // s3..s4 + 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, // s5..s6 + 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 // s7..s8 + } + }; + + const std::uint8_t type = utf8d[byte]; + + codep = (state != UTF8_ACCEPT) + ? (byte & 0x3fu) | (codep << 6u) + : (0xFFu >> type) & (byte); + + std::size_t index = 256u + static_cast(state) * 16u + static_cast(type); + JSON_ASSERT(index < 400); + state = utf8d[index]; + return state; + } + + /* + * Overload to make the compiler happy while it is instantiating + * dump_integer for number_unsigned_t. + * Must never be called. + */ + number_unsigned_t remove_sign(number_unsigned_t x) + { + JSON_ASSERT(false); // LCOV_EXCL_LINE + return x; // LCOV_EXCL_LINE + } + + /* + * Helper function for dump_integer + * + * This function takes a negative signed integer and returns its absolute + * value as unsigned integer. The plus/minus shuffling is necessary as we can + * not directly remove the sign of an arbitrary signed integer as the + * absolute values of INT_MIN and INT_MAX are usually not the same. See + * #1708 for details. + */ + inline number_unsigned_t remove_sign(number_integer_t x) noexcept + { + JSON_ASSERT(x < 0 && x < (std::numeric_limits::max)()); + return static_cast(-(x + 1)) + 1; + } + + private: + /// the output of the serializer + output_adapter_t o = nullptr; + + /// a (hopefully) large enough character buffer + std::array number_buffer{{}}; + + /// the locale + const std::lconv* loc = nullptr; + /// the locale's thousand separator character + const char thousands_sep = '\0'; + /// the locale's decimal point character + const char decimal_point = '\0'; + + /// string buffer + std::array string_buffer{{}}; + + /// the indentation character + const char indent_char; + /// the indentation string + string_t indent_string; + + /// error_handler how to react on decoding errors + const error_handler_t error_handler; +}; +} // namespace detail +} // namespace nlohmann + +// #include + +// #include + +// #include + + +#include // less +#include // allocator +#include // pair +#include // vector + +namespace nlohmann +{ + +/// ordered_map: a minimal map-like container that preserves insertion order +/// for use within nlohmann::basic_json +template , + class Allocator = std::allocator>> + struct ordered_map : std::vector, Allocator> +{ + using key_type = Key; + using mapped_type = T; + using Container = std::vector, Allocator>; + using typename Container::iterator; + using typename Container::const_iterator; + using typename Container::size_type; + using typename Container::value_type; + + // Explicit constructors instead of `using Container::Container` + // otherwise older compilers choke on it (GCC <= 5.5, xcode <= 9.4) + ordered_map(const Allocator& alloc = Allocator()) : Container{alloc} {} + template + ordered_map(It first, It last, const Allocator& alloc = Allocator()) + : Container{first, last, alloc} {} + ordered_map(std::initializer_list init, const Allocator& alloc = Allocator() ) + : Container{init, alloc} {} + + std::pair emplace(const key_type& key, T&& t) + { + for (auto it = this->begin(); it != this->end(); ++it) + { + if (it->first == key) + { + return {it, false}; + } + } + Container::emplace_back(key, t); + return {--this->end(), true}; + } + + T& operator[](const Key& key) + { + return emplace(key, T{}).first->second; + } + + const T& operator[](const Key& key) const + { + return at(key); + } + + T& at(const Key& key) + { + for (auto it = this->begin(); it != this->end(); ++it) + { + if (it->first == key) + { + return it->second; + } + } + + throw std::out_of_range("key not found"); + } + + const T& at(const Key& key) const + { + for (auto it = this->begin(); it != this->end(); ++it) + { + if (it->first == key) + { + return it->second; + } + } + + throw std::out_of_range("key not found"); + } + + size_type erase(const Key& key) + { + for (auto it = this->begin(); it != this->end(); ++it) + { + if (it->first == key) + { + // Since we cannot move const Keys, re-construct them in place + for (auto next = it; ++next != this->end(); ++it) + { + it->~value_type(); // Destroy but keep allocation + new (&*it) value_type{std::move(*next)}; + } + Container::pop_back(); + return 1; + } + } + return 0; + } + + iterator erase(iterator pos) + { + auto it = pos; + + // Since we cannot move const Keys, re-construct them in place + for (auto next = it; ++next != this->end(); ++it) + { + it->~value_type(); // Destroy but keep allocation + new (&*it) value_type{std::move(*next)}; + } + Container::pop_back(); + return pos; + } + + size_type count(const Key& key) const + { + for (auto it = this->begin(); it != this->end(); ++it) + { + if (it->first == key) + { + return 1; + } + } + return 0; + } + + iterator find(const Key& key) + { + for (auto it = this->begin(); it != this->end(); ++it) + { + if (it->first == key) + { + return it; + } + } + return Container::end(); + } + + const_iterator find(const Key& key) const + { + for (auto it = this->begin(); it != this->end(); ++it) + { + if (it->first == key) + { + return it; + } + } + return Container::end(); + } + + std::pair insert( value_type&& value ) + { + return emplace(value.first, std::move(value.second)); + } + + std::pair insert( const value_type& value ) + { + for (auto it = this->begin(); it != this->end(); ++it) + { + if (it->first == value.first) + { + return {it, false}; + } + } + Container::push_back(value); + return {--this->end(), true}; + } +}; + +} // namespace nlohmann + + +/*! +@brief namespace for Niels Lohmann +@see https://github.com/nlohmann +@since version 1.0.0 +*/ +namespace nlohmann +{ + +/*! +@brief a class to store JSON values + +@tparam ObjectType type for JSON objects (`std::map` by default; will be used +in @ref object_t) +@tparam ArrayType type for JSON arrays (`std::vector` by default; will be used +in @ref array_t) +@tparam StringType type for JSON strings and object keys (`std::string` by +default; will be used in @ref string_t) +@tparam BooleanType type for JSON booleans (`bool` by default; will be used +in @ref boolean_t) +@tparam NumberIntegerType type for JSON integer numbers (`int64_t` by +default; will be used in @ref number_integer_t) +@tparam NumberUnsignedType type for JSON unsigned integer numbers (@c +`uint64_t` by default; will be used in @ref number_unsigned_t) +@tparam NumberFloatType type for JSON floating-point numbers (`double` by +default; will be used in @ref number_float_t) +@tparam BinaryType type for packed binary data for compatibility with binary +serialization formats (`std::vector` by default; will be used in +@ref binary_t) +@tparam AllocatorType type of the allocator to use (`std::allocator` by +default) +@tparam JSONSerializer the serializer to resolve internal calls to `to_json()` +and `from_json()` (@ref adl_serializer by default) + +@requirement The class satisfies the following concept requirements: +- Basic + - [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible): + JSON values can be default constructed. The result will be a JSON null + value. + - [MoveConstructible](https://en.cppreference.com/w/cpp/named_req/MoveConstructible): + A JSON value can be constructed from an rvalue argument. + - [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible): + A JSON value can be copy-constructed from an lvalue expression. + - [MoveAssignable](https://en.cppreference.com/w/cpp/named_req/MoveAssignable): + A JSON value van be assigned from an rvalue argument. + - [CopyAssignable](https://en.cppreference.com/w/cpp/named_req/CopyAssignable): + A JSON value can be copy-assigned from an lvalue expression. + - [Destructible](https://en.cppreference.com/w/cpp/named_req/Destructible): + JSON values can be destructed. +- Layout + - [StandardLayoutType](https://en.cppreference.com/w/cpp/named_req/StandardLayoutType): + JSON values have + [standard layout](https://en.cppreference.com/w/cpp/language/data_members#Standard_layout): + All non-static data members are private and standard layout types, the + class has no virtual functions or (virtual) base classes. +- Library-wide + - [EqualityComparable](https://en.cppreference.com/w/cpp/named_req/EqualityComparable): + JSON values can be compared with `==`, see @ref + operator==(const_reference,const_reference). + - [LessThanComparable](https://en.cppreference.com/w/cpp/named_req/LessThanComparable): + JSON values can be compared with `<`, see @ref + operator<(const_reference,const_reference). + - [Swappable](https://en.cppreference.com/w/cpp/named_req/Swappable): + Any JSON lvalue or rvalue of can be swapped with any lvalue or rvalue of + other compatible types, using unqualified function call @ref swap(). + - [NullablePointer](https://en.cppreference.com/w/cpp/named_req/NullablePointer): + JSON values can be compared against `std::nullptr_t` objects which are used + to model the `null` value. +- Container + - [Container](https://en.cppreference.com/w/cpp/named_req/Container): + JSON values can be used like STL containers and provide iterator access. + - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer); + JSON values can be used like STL containers and provide reverse iterator + access. + +@invariant The member variables @a m_value and @a m_type have the following +relationship: +- If `m_type == value_t::object`, then `m_value.object != nullptr`. +- If `m_type == value_t::array`, then `m_value.array != nullptr`. +- If `m_type == value_t::string`, then `m_value.string != nullptr`. +The invariants are checked by member function assert_invariant(). + +@internal +@note ObjectType trick from https://stackoverflow.com/a/9860911 +@endinternal + +@see [RFC 7159: The JavaScript Object Notation (JSON) Data Interchange +Format](http://rfc7159.net/rfc7159) + +@since version 1.0.0 + +@nosubgrouping +*/ +NLOHMANN_BASIC_JSON_TPL_DECLARATION +class basic_json +{ + private: + template friend struct detail::external_constructor; + friend ::nlohmann::json_pointer; + + template + friend class ::nlohmann::detail::parser; + friend ::nlohmann::detail::serializer; + template + friend class ::nlohmann::detail::iter_impl; + template + friend class ::nlohmann::detail::binary_writer; + template + friend class ::nlohmann::detail::binary_reader; + template + friend class ::nlohmann::detail::json_sax_dom_parser; + template + friend class ::nlohmann::detail::json_sax_dom_callback_parser; + + /// workaround type for MSVC + using basic_json_t = NLOHMANN_BASIC_JSON_TPL; + + // convenience aliases for types residing in namespace detail; + using lexer = ::nlohmann::detail::lexer_base; + + template + static ::nlohmann::detail::parser parser( + InputAdapterType adapter, + detail::parser_callback_tcb = nullptr, + const bool allow_exceptions = true, + const bool ignore_comments = false + ) + { + return ::nlohmann::detail::parser(std::move(adapter), + std::move(cb), allow_exceptions, ignore_comments); + } + + using primitive_iterator_t = ::nlohmann::detail::primitive_iterator_t; + template + using internal_iterator = ::nlohmann::detail::internal_iterator; + template + using iter_impl = ::nlohmann::detail::iter_impl; + template + using iteration_proxy = ::nlohmann::detail::iteration_proxy; + template using json_reverse_iterator = ::nlohmann::detail::json_reverse_iterator; + + template + using output_adapter_t = ::nlohmann::detail::output_adapter_t; + + template + using binary_reader = ::nlohmann::detail::binary_reader; + template using binary_writer = ::nlohmann::detail::binary_writer; + + using serializer = ::nlohmann::detail::serializer; + + public: + using value_t = detail::value_t; + /// JSON Pointer, see @ref nlohmann::json_pointer + using json_pointer = ::nlohmann::json_pointer; + template + using json_serializer = JSONSerializer; + /// how to treat decoding errors + using error_handler_t = detail::error_handler_t; + /// how to treat CBOR tags + using cbor_tag_handler_t = detail::cbor_tag_handler_t; + /// helper type for initializer lists of basic_json values + using initializer_list_t = std::initializer_list>; + + using input_format_t = detail::input_format_t; + /// SAX interface type, see @ref nlohmann::json_sax + using json_sax_t = json_sax; + + //////////////// + // exceptions // + //////////////// + + /// @name exceptions + /// Classes to implement user-defined exceptions. + /// @{ + + /// @copydoc detail::exception + using exception = detail::exception; + /// @copydoc detail::parse_error + using parse_error = detail::parse_error; + /// @copydoc detail::invalid_iterator + using invalid_iterator = detail::invalid_iterator; + /// @copydoc detail::type_error + using type_error = detail::type_error; + /// @copydoc detail::out_of_range + using out_of_range = detail::out_of_range; + /// @copydoc detail::other_error + using other_error = detail::other_error; + + /// @} + + + ///////////////////// + // container types // + ///////////////////// + + /// @name container types + /// The canonic container types to use @ref basic_json like any other STL + /// container. + /// @{ + + /// the type of elements in a basic_json container + using value_type = basic_json; + + /// the type of an element reference + using reference = value_type&; + /// the type of an element const reference + using const_reference = const value_type&; + + /// a type to represent differences between iterators + using difference_type = std::ptrdiff_t; + /// a type to represent container sizes + using size_type = std::size_t; + + /// the allocator type + using allocator_type = AllocatorType; + + /// the type of an element pointer + using pointer = typename std::allocator_traits::pointer; + /// the type of an element const pointer + using const_pointer = typename std::allocator_traits::const_pointer; + + /// an iterator for a basic_json container + using iterator = iter_impl; + /// a const iterator for a basic_json container + using const_iterator = iter_impl; + /// a reverse iterator for a basic_json container + using reverse_iterator = json_reverse_iterator; + /// a const reverse iterator for a basic_json container + using const_reverse_iterator = json_reverse_iterator; + + /// @} + + + /*! + @brief returns the allocator associated with the container + */ + static allocator_type get_allocator() + { + return allocator_type(); + } + + /*! + @brief returns version information on the library + + This function returns a JSON object with information about the library, + including the version number and information on the platform and compiler. + + @return JSON object holding version information + key | description + ----------- | --------------- + `compiler` | Information on the used compiler. It is an object with the following keys: `c++` (the used C++ standard), `family` (the compiler family; possible values are `clang`, `icc`, `gcc`, `ilecpp`, `msvc`, `pgcpp`, `sunpro`, and `unknown`), and `version` (the compiler version). + `copyright` | The copyright line for the library as string. + `name` | The name of the library as string. + `platform` | The used platform as string. Possible values are `win32`, `linux`, `apple`, `unix`, and `unknown`. + `url` | The URL of the project as string. + `version` | The version of the library. It is an object with the following keys: `major`, `minor`, and `patch` as defined by [Semantic Versioning](http://semver.org), and `string` (the version string). + + @liveexample{The following code shows an example output of the `meta()` + function.,meta} + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes to any JSON value. + + @complexity Constant. + + @since 2.1.0 + */ + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json meta() + { + basic_json result; + + result["copyright"] = "(C) 2013-2020 Niels Lohmann"; + result["name"] = "JSON for Modern C++"; + result["url"] = "https://github.com/nlohmann/json"; + result["version"]["string"] = + std::to_string(NLOHMANN_JSON_VERSION_MAJOR) + "." + + std::to_string(NLOHMANN_JSON_VERSION_MINOR) + "." + + std::to_string(NLOHMANN_JSON_VERSION_PATCH); + result["version"]["major"] = NLOHMANN_JSON_VERSION_MAJOR; + result["version"]["minor"] = NLOHMANN_JSON_VERSION_MINOR; + result["version"]["patch"] = NLOHMANN_JSON_VERSION_PATCH; + +#ifdef _WIN32 + result["platform"] = "win32"; +#elif defined __linux__ + result["platform"] = "linux"; +#elif defined __APPLE__ + result["platform"] = "apple"; +#elif defined __unix__ + result["platform"] = "unix"; +#else + result["platform"] = "unknown"; +#endif + +#if defined(__ICC) || defined(__INTEL_COMPILER) + result["compiler"] = {{"family", "icc"}, {"version", __INTEL_COMPILER}}; +#elif defined(__clang__) + result["compiler"] = {{"family", "clang"}, {"version", __clang_version__}}; +#elif defined(__GNUC__) || defined(__GNUG__) + result["compiler"] = {{"family", "gcc"}, {"version", std::to_string(__GNUC__) + "." + std::to_string(__GNUC_MINOR__) + "." + std::to_string(__GNUC_PATCHLEVEL__)}}; +#elif defined(__HP_cc) || defined(__HP_aCC) + result["compiler"] = "hp" +#elif defined(__IBMCPP__) + result["compiler"] = {{"family", "ilecpp"}, {"version", __IBMCPP__}}; +#elif defined(_MSC_VER) + result["compiler"] = {{"family", "msvc"}, {"version", _MSC_VER}}; +#elif defined(__PGI) + result["compiler"] = {{"family", "pgcpp"}, {"version", __PGI}}; +#elif defined(__SUNPRO_CC) + result["compiler"] = {{"family", "sunpro"}, {"version", __SUNPRO_CC}}; +#else + result["compiler"] = {{"family", "unknown"}, {"version", "unknown"}}; +#endif + +#ifdef __cplusplus + result["compiler"]["c++"] = std::to_string(__cplusplus); +#else + result["compiler"]["c++"] = "unknown"; +#endif + return result; + } + + + /////////////////////////// + // JSON value data types // + /////////////////////////// + + /// @name JSON value data types + /// The data types to store a JSON value. These types are derived from + /// the template arguments passed to class @ref basic_json. + /// @{ + +#if defined(JSON_HAS_CPP_14) + // Use transparent comparator if possible, combined with perfect forwarding + // on find() and count() calls prevents unnecessary string construction. + using object_comparator_t = std::less<>; +#else + using object_comparator_t = std::less; +#endif + + /*! + @brief a type for an object + + [RFC 7159](http://rfc7159.net/rfc7159) describes JSON objects as follows: + > An object is an unordered collection of zero or more name/value pairs, + > where a name is a string and a value is a string, number, boolean, null, + > object, or array. + + To store objects in C++, a type is defined by the template parameters + described below. + + @tparam ObjectType the container to store objects (e.g., `std::map` or + `std::unordered_map`) + @tparam StringType the type of the keys or names (e.g., `std::string`). + The comparison function `std::less` is used to order elements + inside the container. + @tparam AllocatorType the allocator to use for objects (e.g., + `std::allocator`) + + #### Default type + + With the default values for @a ObjectType (`std::map`), @a StringType + (`std::string`), and @a AllocatorType (`std::allocator`), the default + value for @a object_t is: + + @code {.cpp} + std::map< + std::string, // key_type + basic_json, // value_type + std::less, // key_compare + std::allocator> // allocator_type + > + @endcode + + #### Behavior + + The choice of @a object_t influences the behavior of the JSON class. With + the default type, objects have the following behavior: + + - When all names are unique, objects will be interoperable in the sense + that all software implementations receiving that object will agree on + the name-value mappings. + - When the names within an object are not unique, it is unspecified which + one of the values for a given key will be chosen. For instance, + `{"key": 2, "key": 1}` could be equal to either `{"key": 1}` or + `{"key": 2}`. + - Internally, name/value pairs are stored in lexicographical order of the + names. Objects will also be serialized (see @ref dump) in this order. + For instance, `{"b": 1, "a": 2}` and `{"a": 2, "b": 1}` will be stored + and serialized as `{"a": 2, "b": 1}`. + - When comparing objects, the order of the name/value pairs is irrelevant. + This makes objects interoperable in the sense that they will not be + affected by these differences. For instance, `{"b": 1, "a": 2}` and + `{"a": 2, "b": 1}` will be treated as equal. + + #### Limits + + [RFC 7159](http://rfc7159.net/rfc7159) specifies: + > An implementation may set limits on the maximum depth of nesting. + + In this class, the object's limit of nesting is not explicitly constrained. + However, a maximum depth of nesting may be introduced by the compiler or + runtime environment. A theoretical limit can be queried by calling the + @ref max_size function of a JSON object. + + #### Storage + + Objects are stored as pointers in a @ref basic_json type. That is, for any + access to object values, a pointer of type `object_t*` must be + dereferenced. + + @sa @ref array_t -- type for an array value + + @since version 1.0.0 + + @note The order name/value pairs are added to the object is *not* + preserved by the library. Therefore, iterating an object may return + name/value pairs in a different order than they were originally stored. In + fact, keys will be traversed in alphabetical order as `std::map` with + `std::less` is used by default. Please note this behavior conforms to [RFC + 7159](http://rfc7159.net/rfc7159), because any order implements the + specified "unordered" nature of JSON objects. + */ + using object_t = ObjectType>>; + + /*! + @brief a type for an array + + [RFC 7159](http://rfc7159.net/rfc7159) describes JSON arrays as follows: + > An array is an ordered sequence of zero or more values. + + To store objects in C++, a type is defined by the template parameters + explained below. + + @tparam ArrayType container type to store arrays (e.g., `std::vector` or + `std::list`) + @tparam AllocatorType allocator to use for arrays (e.g., `std::allocator`) + + #### Default type + + With the default values for @a ArrayType (`std::vector`) and @a + AllocatorType (`std::allocator`), the default value for @a array_t is: + + @code {.cpp} + std::vector< + basic_json, // value_type + std::allocator // allocator_type + > + @endcode + + #### Limits + + [RFC 7159](http://rfc7159.net/rfc7159) specifies: + > An implementation may set limits on the maximum depth of nesting. + + In this class, the array's limit of nesting is not explicitly constrained. + However, a maximum depth of nesting may be introduced by the compiler or + runtime environment. A theoretical limit can be queried by calling the + @ref max_size function of a JSON array. + + #### Storage + + Arrays are stored as pointers in a @ref basic_json type. That is, for any + access to array values, a pointer of type `array_t*` must be dereferenced. + + @sa @ref object_t -- type for an object value + + @since version 1.0.0 + */ + using array_t = ArrayType>; + + /*! + @brief a type for a string + + [RFC 7159](http://rfc7159.net/rfc7159) describes JSON strings as follows: + > A string is a sequence of zero or more Unicode characters. + + To store objects in C++, a type is defined by the template parameter + described below. Unicode values are split by the JSON class into + byte-sized characters during deserialization. + + @tparam StringType the container to store strings (e.g., `std::string`). + Note this container is used for keys/names in objects, see @ref object_t. + + #### Default type + + With the default values for @a StringType (`std::string`), the default + value for @a string_t is: + + @code {.cpp} + std::string + @endcode + + #### Encoding + + Strings are stored in UTF-8 encoding. Therefore, functions like + `std::string::size()` or `std::string::length()` return the number of + bytes in the string rather than the number of characters or glyphs. + + #### String comparison + + [RFC 7159](http://rfc7159.net/rfc7159) states: + > Software implementations are typically required to test names of object + > members for equality. Implementations that transform the textual + > representation into sequences of Unicode code units and then perform the + > comparison numerically, code unit by code unit, are interoperable in the + > sense that implementations will agree in all cases on equality or + > inequality of two strings. For example, implementations that compare + > strings with escaped characters unconverted may incorrectly find that + > `"a\\b"` and `"a\u005Cb"` are not equal. + + This implementation is interoperable as it does compare strings code unit + by code unit. + + #### Storage + + String values are stored as pointers in a @ref basic_json type. That is, + for any access to string values, a pointer of type `string_t*` must be + dereferenced. + + @since version 1.0.0 + */ + using string_t = StringType; + + /*! + @brief a type for a boolean + + [RFC 7159](http://rfc7159.net/rfc7159) implicitly describes a boolean as a + type which differentiates the two literals `true` and `false`. + + To store objects in C++, a type is defined by the template parameter @a + BooleanType which chooses the type to use. + + #### Default type + + With the default values for @a BooleanType (`bool`), the default value for + @a boolean_t is: + + @code {.cpp} + bool + @endcode + + #### Storage + + Boolean values are stored directly inside a @ref basic_json type. + + @since version 1.0.0 + */ + using boolean_t = BooleanType; + + /*! + @brief a type for a number (integer) + + [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: + > The representation of numbers is similar to that used in most + > programming languages. A number is represented in base 10 using decimal + > digits. It contains an integer component that may be prefixed with an + > optional minus sign, which may be followed by a fraction part and/or an + > exponent part. Leading zeros are not allowed. (...) Numeric values that + > cannot be represented in the grammar below (such as Infinity and NaN) + > are not permitted. + + This description includes both integer and floating-point numbers. + However, C++ allows more precise storage if it is known whether the number + is a signed integer, an unsigned integer or a floating-point number. + Therefore, three different types, @ref number_integer_t, @ref + number_unsigned_t and @ref number_float_t are used. + + To store integer numbers in C++, a type is defined by the template + parameter @a NumberIntegerType which chooses the type to use. + + #### Default type + + With the default values for @a NumberIntegerType (`int64_t`), the default + value for @a number_integer_t is: + + @code {.cpp} + int64_t + @endcode + + #### Default behavior + + - The restrictions about leading zeros is not enforced in C++. Instead, + leading zeros in integer literals lead to an interpretation as octal + number. Internally, the value will be stored as decimal number. For + instance, the C++ integer literal `010` will be serialized to `8`. + During deserialization, leading zeros yield an error. + - Not-a-number (NaN) values will be serialized to `null`. + + #### Limits + + [RFC 7159](http://rfc7159.net/rfc7159) specifies: + > An implementation may set limits on the range and precision of numbers. + + When the default type is used, the maximal integer number that can be + stored is `9223372036854775807` (INT64_MAX) and the minimal integer number + that can be stored is `-9223372036854775808` (INT64_MIN). Integer numbers + that are out of range will yield over/underflow when used in a + constructor. During deserialization, too large or small integer numbers + will be automatically be stored as @ref number_unsigned_t or @ref + number_float_t. + + [RFC 7159](http://rfc7159.net/rfc7159) further states: + > Note that when such software is used, numbers that are integers and are + > in the range \f$[-2^{53}+1, 2^{53}-1]\f$ are interoperable in the sense + > that implementations will agree exactly on their numeric values. + + As this range is a subrange of the exactly supported range [INT64_MIN, + INT64_MAX], this class's integer type is interoperable. + + #### Storage + + Integer number values are stored directly inside a @ref basic_json type. + + @sa @ref number_float_t -- type for number values (floating-point) + + @sa @ref number_unsigned_t -- type for number values (unsigned integer) + + @since version 1.0.0 + */ + using number_integer_t = NumberIntegerType; + + /*! + @brief a type for a number (unsigned) + + [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: + > The representation of numbers is similar to that used in most + > programming languages. A number is represented in base 10 using decimal + > digits. It contains an integer component that may be prefixed with an + > optional minus sign, which may be followed by a fraction part and/or an + > exponent part. Leading zeros are not allowed. (...) Numeric values that + > cannot be represented in the grammar below (such as Infinity and NaN) + > are not permitted. + + This description includes both integer and floating-point numbers. + However, C++ allows more precise storage if it is known whether the number + is a signed integer, an unsigned integer or a floating-point number. + Therefore, three different types, @ref number_integer_t, @ref + number_unsigned_t and @ref number_float_t are used. + + To store unsigned integer numbers in C++, a type is defined by the + template parameter @a NumberUnsignedType which chooses the type to use. + + #### Default type + + With the default values for @a NumberUnsignedType (`uint64_t`), the + default value for @a number_unsigned_t is: + + @code {.cpp} + uint64_t + @endcode + + #### Default behavior + + - The restrictions about leading zeros is not enforced in C++. Instead, + leading zeros in integer literals lead to an interpretation as octal + number. Internally, the value will be stored as decimal number. For + instance, the C++ integer literal `010` will be serialized to `8`. + During deserialization, leading zeros yield an error. + - Not-a-number (NaN) values will be serialized to `null`. + + #### Limits + + [RFC 7159](http://rfc7159.net/rfc7159) specifies: + > An implementation may set limits on the range and precision of numbers. + + When the default type is used, the maximal integer number that can be + stored is `18446744073709551615` (UINT64_MAX) and the minimal integer + number that can be stored is `0`. Integer numbers that are out of range + will yield over/underflow when used in a constructor. During + deserialization, too large or small integer numbers will be automatically + be stored as @ref number_integer_t or @ref number_float_t. + + [RFC 7159](http://rfc7159.net/rfc7159) further states: + > Note that when such software is used, numbers that are integers and are + > in the range \f$[-2^{53}+1, 2^{53}-1]\f$ are interoperable in the sense + > that implementations will agree exactly on their numeric values. + + As this range is a subrange (when considered in conjunction with the + number_integer_t type) of the exactly supported range [0, UINT64_MAX], + this class's integer type is interoperable. + + #### Storage + + Integer number values are stored directly inside a @ref basic_json type. + + @sa @ref number_float_t -- type for number values (floating-point) + @sa @ref number_integer_t -- type for number values (integer) + + @since version 2.0.0 + */ + using number_unsigned_t = NumberUnsignedType; + + /*! + @brief a type for a number (floating-point) + + [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: + > The representation of numbers is similar to that used in most + > programming languages. A number is represented in base 10 using decimal + > digits. It contains an integer component that may be prefixed with an + > optional minus sign, which may be followed by a fraction part and/or an + > exponent part. Leading zeros are not allowed. (...) Numeric values that + > cannot be represented in the grammar below (such as Infinity and NaN) + > are not permitted. + + This description includes both integer and floating-point numbers. + However, C++ allows more precise storage if it is known whether the number + is a signed integer, an unsigned integer or a floating-point number. + Therefore, three different types, @ref number_integer_t, @ref + number_unsigned_t and @ref number_float_t are used. + + To store floating-point numbers in C++, a type is defined by the template + parameter @a NumberFloatType which chooses the type to use. + + #### Default type + + With the default values for @a NumberFloatType (`double`), the default + value for @a number_float_t is: + + @code {.cpp} + double + @endcode + + #### Default behavior + + - The restrictions about leading zeros is not enforced in C++. Instead, + leading zeros in floating-point literals will be ignored. Internally, + the value will be stored as decimal number. For instance, the C++ + floating-point literal `01.2` will be serialized to `1.2`. During + deserialization, leading zeros yield an error. + - Not-a-number (NaN) values will be serialized to `null`. + + #### Limits + + [RFC 7159](http://rfc7159.net/rfc7159) states: + > This specification allows implementations to set limits on the range and + > precision of numbers accepted. Since software that implements IEEE + > 754-2008 binary64 (double precision) numbers is generally available and + > widely used, good interoperability can be achieved by implementations + > that expect no more precision or range than these provide, in the sense + > that implementations will approximate JSON numbers within the expected + > precision. + + This implementation does exactly follow this approach, as it uses double + precision floating-point numbers. Note values smaller than + `-1.79769313486232e+308` and values greater than `1.79769313486232e+308` + will be stored as NaN internally and be serialized to `null`. + + #### Storage + + Floating-point number values are stored directly inside a @ref basic_json + type. + + @sa @ref number_integer_t -- type for number values (integer) + + @sa @ref number_unsigned_t -- type for number values (unsigned integer) + + @since version 1.0.0 + */ + using number_float_t = NumberFloatType; + + /*! + @brief a type for a packed binary type + + This type is a type designed to carry binary data that appears in various + serialized formats, such as CBOR's Major Type 2, MessagePack's bin, and + BSON's generic binary subtype. This type is NOT a part of standard JSON and + exists solely for compatibility with these binary types. As such, it is + simply defined as an ordered sequence of zero or more byte values. + + Additionally, as an implementation detail, the subtype of the binary data is + carried around as a `std::uint8_t`, which is compatible with both of the + binary data formats that use binary subtyping, (though the specific + numbering is incompatible with each other, and it is up to the user to + translate between them). + + [CBOR's RFC 7049](https://tools.ietf.org/html/rfc7049) describes this type + as: + > Major type 2: a byte string. The string's length in bytes is represented + > following the rules for positive integers (major type 0). + + [MessagePack's documentation on the bin type + family](https://github.com/msgpack/msgpack/blob/master/spec.md#bin-format-family) + describes this type as: + > Bin format family stores an byte array in 2, 3, or 5 bytes of extra bytes + > in addition to the size of the byte array. + + [BSON's specifications](http://bsonspec.org/spec.html) describe several + binary types; however, this type is intended to represent the generic binary + type which has the description: + > Generic binary subtype - This is the most commonly used binary subtype and + > should be the 'default' for drivers and tools. + + None of these impose any limitations on the internal representation other + than the basic unit of storage be some type of array whose parts are + decomposable into bytes. + + The default representation of this binary format is a + `std::vector`, which is a very common way to represent a byte + array in modern C++. + + #### Default type + + The default values for @a BinaryType is `std::vector` + + #### Storage + + Binary Arrays are stored as pointers in a @ref basic_json type. That is, + for any access to array values, a pointer of the type `binary_t*` must be + dereferenced. + + #### Notes on subtypes + + - CBOR + - Binary values are represented as byte strings. No subtypes are + supported and will be ignored when CBOR is written. + - MessagePack + - If a subtype is given and the binary array contains exactly 1, 2, 4, 8, + or 16 elements, the fixext family (fixext1, fixext2, fixext4, fixext8) + is used. For other sizes, the ext family (ext8, ext16, ext32) is used. + The subtype is then added as singed 8-bit integer. + - If no subtype is given, the bin family (bin8, bin16, bin32) is used. + - BSON + - If a subtype is given, it is used and added as unsigned 8-bit integer. + - If no subtype is given, the generic binary subtype 0x00 is used. + + @sa @ref binary -- create a binary array + + @since version 3.8.0 + */ + using binary_t = nlohmann::byte_container_with_subtype; + /// @} + + private: + + /// helper for exception-safe object creation + template + JSON_HEDLEY_RETURNS_NON_NULL + static T* create(Args&& ... args) + { + AllocatorType alloc; + using AllocatorTraits = std::allocator_traits>; + + auto deleter = [&](T * object) + { + AllocatorTraits::deallocate(alloc, object, 1); + }; + std::unique_ptr object(AllocatorTraits::allocate(alloc, 1), deleter); + AllocatorTraits::construct(alloc, object.get(), std::forward(args)...); + JSON_ASSERT(object != nullptr); + return object.release(); + } + + //////////////////////// + // JSON value storage // + //////////////////////// + + /*! + @brief a JSON value + + The actual storage for a JSON value of the @ref basic_json class. This + union combines the different storage types for the JSON value types + defined in @ref value_t. + + JSON type | value_t type | used type + --------- | --------------- | ------------------------ + object | object | pointer to @ref object_t + array | array | pointer to @ref array_t + string | string | pointer to @ref string_t + boolean | boolean | @ref boolean_t + number | number_integer | @ref number_integer_t + number | number_unsigned | @ref number_unsigned_t + number | number_float | @ref number_float_t + binary | binary | pointer to @ref binary_t + null | null | *no value is stored* + + @note Variable-length types (objects, arrays, and strings) are stored as + pointers. The size of the union should not exceed 64 bits if the default + value types are used. + + @since version 1.0.0 + */ + union json_value + { + /// object (stored with pointer to save storage) + object_t* object; + /// array (stored with pointer to save storage) + array_t* array; + /// string (stored with pointer to save storage) + string_t* string; + /// binary (stored with pointer to save storage) + binary_t* binary; + /// boolean + boolean_t boolean; + /// number (integer) + number_integer_t number_integer; + /// number (unsigned integer) + number_unsigned_t number_unsigned; + /// number (floating-point) + number_float_t number_float; + + /// default constructor (for null values) + json_value() = default; + /// constructor for booleans + json_value(boolean_t v) noexcept : boolean(v) {} + /// constructor for numbers (integer) + json_value(number_integer_t v) noexcept : number_integer(v) {} + /// constructor for numbers (unsigned) + json_value(number_unsigned_t v) noexcept : number_unsigned(v) {} + /// constructor for numbers (floating-point) + json_value(number_float_t v) noexcept : number_float(v) {} + /// constructor for empty values of a given type + json_value(value_t t) + { + switch (t) + { + case value_t::object: + { + object = create(); + break; + } + + case value_t::array: + { + array = create(); + break; + } + + case value_t::string: + { + string = create(""); + break; + } + + case value_t::binary: + { + binary = create(); + break; + } + + case value_t::boolean: + { + boolean = boolean_t(false); + break; + } + + case value_t::number_integer: + { + number_integer = number_integer_t(0); + break; + } + + case value_t::number_unsigned: + { + number_unsigned = number_unsigned_t(0); + break; + } + + case value_t::number_float: + { + number_float = number_float_t(0.0); + break; + } + + case value_t::null: + { + object = nullptr; // silence warning, see #821 + break; + } + + default: + { + object = nullptr; // silence warning, see #821 + if (JSON_HEDLEY_UNLIKELY(t == value_t::null)) + { + JSON_THROW(other_error::create(500, "961c151d2e87f2686a955a9be24d316f1362bf21 3.9.1")); // LCOV_EXCL_LINE + } + break; + } + } + } + + /// constructor for strings + json_value(const string_t& value) + { + string = create(value); + } + + /// constructor for rvalue strings + json_value(string_t&& value) + { + string = create(std::move(value)); + } + + /// constructor for objects + json_value(const object_t& value) + { + object = create(value); + } + + /// constructor for rvalue objects + json_value(object_t&& value) + { + object = create(std::move(value)); + } + + /// constructor for arrays + json_value(const array_t& value) + { + array = create(value); + } + + /// constructor for rvalue arrays + json_value(array_t&& value) + { + array = create(std::move(value)); + } + + /// constructor for binary arrays + json_value(const typename binary_t::container_type& value) + { + binary = create(value); + } + + /// constructor for rvalue binary arrays + json_value(typename binary_t::container_type&& value) + { + binary = create(std::move(value)); + } + + /// constructor for binary arrays (internal type) + json_value(const binary_t& value) + { + binary = create(value); + } + + /// constructor for rvalue binary arrays (internal type) + json_value(binary_t&& value) + { + binary = create(std::move(value)); + } + + void destroy(value_t t) noexcept + { + // flatten the current json_value to a heap-allocated stack + std::vector stack; + + // move the top-level items to stack + if (t == value_t::array) + { + stack.reserve(array->size()); + std::move(array->begin(), array->end(), std::back_inserter(stack)); + } + else if (t == value_t::object) + { + stack.reserve(object->size()); + for (auto&& it : *object) + { + stack.push_back(std::move(it.second)); + } + } + + while (!stack.empty()) + { + // move the last item to local variable to be processed + basic_json current_item(std::move(stack.back())); + stack.pop_back(); + + // if current_item is array/object, move + // its children to the stack to be processed later + if (current_item.is_array()) + { + std::move(current_item.m_value.array->begin(), current_item.m_value.array->end(), + std::back_inserter(stack)); + + current_item.m_value.array->clear(); + } + else if (current_item.is_object()) + { + for (auto&& it : *current_item.m_value.object) + { + stack.push_back(std::move(it.second)); + } + + current_item.m_value.object->clear(); + } + + // it's now safe that current_item get destructed + // since it doesn't have any children + } + + switch (t) + { + case value_t::object: + { + AllocatorType alloc; + std::allocator_traits::destroy(alloc, object); + std::allocator_traits::deallocate(alloc, object, 1); + break; + } + + case value_t::array: + { + AllocatorType alloc; + std::allocator_traits::destroy(alloc, array); + std::allocator_traits::deallocate(alloc, array, 1); + break; + } + + case value_t::string: + { + AllocatorType alloc; + std::allocator_traits::destroy(alloc, string); + std::allocator_traits::deallocate(alloc, string, 1); + break; + } + + case value_t::binary: + { + AllocatorType alloc; + std::allocator_traits::destroy(alloc, binary); + std::allocator_traits::deallocate(alloc, binary, 1); + break; + } + + default: + { + break; + } + } + } + }; + + /*! + @brief checks the class invariants + + This function asserts the class invariants. It needs to be called at the + end of every constructor to make sure that created objects respect the + invariant. Furthermore, it has to be called each time the type of a JSON + value is changed, because the invariant expresses a relationship between + @a m_type and @a m_value. + */ + void assert_invariant() const noexcept + { + JSON_ASSERT(m_type != value_t::object || m_value.object != nullptr); + JSON_ASSERT(m_type != value_t::array || m_value.array != nullptr); + JSON_ASSERT(m_type != value_t::string || m_value.string != nullptr); + JSON_ASSERT(m_type != value_t::binary || m_value.binary != nullptr); + } + + public: + ////////////////////////// + // JSON parser callback // + ////////////////////////// + + /*! + @brief parser event types + + The parser callback distinguishes the following events: + - `object_start`: the parser read `{` and started to process a JSON object + - `key`: the parser read a key of a value in an object + - `object_end`: the parser read `}` and finished processing a JSON object + - `array_start`: the parser read `[` and started to process a JSON array + - `array_end`: the parser read `]` and finished processing a JSON array + - `value`: the parser finished reading a JSON value + + @image html callback_events.png "Example when certain parse events are triggered" + + @sa @ref parser_callback_t for more information and examples + */ + using parse_event_t = detail::parse_event_t; + + /*! + @brief per-element parser callback type + + With a parser callback function, the result of parsing a JSON text can be + influenced. When passed to @ref parse, it is called on certain events + (passed as @ref parse_event_t via parameter @a event) with a set recursion + depth @a depth and context JSON value @a parsed. The return value of the + callback function is a boolean indicating whether the element that emitted + the callback shall be kept or not. + + We distinguish six scenarios (determined by the event type) in which the + callback function can be called. The following table describes the values + of the parameters @a depth, @a event, and @a parsed. + + parameter @a event | description | parameter @a depth | parameter @a parsed + ------------------ | ----------- | ------------------ | ------------------- + parse_event_t::object_start | the parser read `{` and started to process a JSON object | depth of the parent of the JSON object | a JSON value with type discarded + parse_event_t::key | the parser read a key of a value in an object | depth of the currently parsed JSON object | a JSON string containing the key + parse_event_t::object_end | the parser read `}` and finished processing a JSON object | depth of the parent of the JSON object | the parsed JSON object + parse_event_t::array_start | the parser read `[` and started to process a JSON array | depth of the parent of the JSON array | a JSON value with type discarded + parse_event_t::array_end | the parser read `]` and finished processing a JSON array | depth of the parent of the JSON array | the parsed JSON array + parse_event_t::value | the parser finished reading a JSON value | depth of the value | the parsed JSON value + + @image html callback_events.png "Example when certain parse events are triggered" + + Discarding a value (i.e., returning `false`) has different effects + depending on the context in which function was called: + + - Discarded values in structured types are skipped. That is, the parser + will behave as if the discarded value was never read. + - In case a value outside a structured type is skipped, it is replaced + with `null`. This case happens if the top-level element is skipped. + + @param[in] depth the depth of the recursion during parsing + + @param[in] event an event of type parse_event_t indicating the context in + the callback function has been called + + @param[in,out] parsed the current intermediate parse result; note that + writing to this value has no effect for parse_event_t::key events + + @return Whether the JSON value which called the function during parsing + should be kept (`true`) or not (`false`). In the latter case, it is either + skipped completely or replaced by an empty discarded object. + + @sa @ref parse for examples + + @since version 1.0.0 + */ + using parser_callback_t = detail::parser_callback_t; + + ////////////////// + // constructors // + ////////////////// + + /// @name constructors and destructors + /// Constructors of class @ref basic_json, copy/move constructor, copy + /// assignment, static functions creating objects, and the destructor. + /// @{ + + /*! + @brief create an empty value with a given type + + Create an empty JSON value with a given type. The value will be default + initialized with an empty value which depends on the type: + + Value type | initial value + ----------- | ------------- + null | `null` + boolean | `false` + string | `""` + number | `0` + object | `{}` + array | `[]` + binary | empty array + + @param[in] v the type of the value to create + + @complexity Constant. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes to any JSON value. + + @liveexample{The following code shows the constructor for different @ref + value_t values,basic_json__value_t} + + @sa @ref clear() -- restores the postcondition of this constructor + + @since version 1.0.0 + */ + basic_json(const value_t v) + : m_type(v), m_value(v) + { + assert_invariant(); + } + + /*! + @brief create a null object + + Create a `null` JSON value. It either takes a null pointer as parameter + (explicitly creating `null`) or no parameter (implicitly creating `null`). + The passed null pointer itself is not read -- it is only used to choose + the right constructor. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this constructor never throws + exceptions. + + @liveexample{The following code shows the constructor with and without a + null pointer parameter.,basic_json__nullptr_t} + + @since version 1.0.0 + */ + basic_json(std::nullptr_t = nullptr) noexcept + : basic_json(value_t::null) + { + assert_invariant(); + } + + /*! + @brief create a JSON value + + This is a "catch all" constructor for all compatible JSON types; that is, + types for which a `to_json()` method exists. The constructor forwards the + parameter @a val to that method (to `json_serializer::to_json` method + with `U = uncvref_t`, to be exact). + + Template type @a CompatibleType includes, but is not limited to, the + following types: + - **arrays**: @ref array_t and all kinds of compatible containers such as + `std::vector`, `std::deque`, `std::list`, `std::forward_list`, + `std::array`, `std::valarray`, `std::set`, `std::unordered_set`, + `std::multiset`, and `std::unordered_multiset` with a `value_type` from + which a @ref basic_json value can be constructed. + - **objects**: @ref object_t and all kinds of compatible associative + containers such as `std::map`, `std::unordered_map`, `std::multimap`, + and `std::unordered_multimap` with a `key_type` compatible to + @ref string_t and a `value_type` from which a @ref basic_json value can + be constructed. + - **strings**: @ref string_t, string literals, and all compatible string + containers can be used. + - **numbers**: @ref number_integer_t, @ref number_unsigned_t, + @ref number_float_t, and all convertible number types such as `int`, + `size_t`, `int64_t`, `float` or `double` can be used. + - **boolean**: @ref boolean_t / `bool` can be used. + - **binary**: @ref binary_t / `std::vector` may be used, + unfortunately because string literals cannot be distinguished from binary + character arrays by the C++ type system, all types compatible with `const + char*` will be directed to the string constructor instead. This is both + for backwards compatibility, and due to the fact that a binary type is not + a standard JSON type. + + See the examples below. + + @tparam CompatibleType a type such that: + - @a CompatibleType is not derived from `std::istream`, + - @a CompatibleType is not @ref basic_json (to avoid hijacking copy/move + constructors), + - @a CompatibleType is not a different @ref basic_json type (i.e. with different template arguments) + - @a CompatibleType is not a @ref basic_json nested type (e.g., + @ref json_pointer, @ref iterator, etc ...) + - @ref @ref json_serializer has a + `to_json(basic_json_t&, CompatibleType&&)` method + + @tparam U = `uncvref_t` + + @param[in] val the value to be forwarded to the respective constructor + + @complexity Usually linear in the size of the passed @a val, also + depending on the implementation of the called `to_json()` + method. + + @exceptionsafety Depends on the called constructor. For types directly + supported by the library (i.e., all types for which no `to_json()` function + was provided), strong guarantee holds: if an exception is thrown, there are + no changes to any JSON value. + + @liveexample{The following code shows the constructor with several + compatible types.,basic_json__CompatibleType} + + @since version 2.1.0 + */ + template < typename CompatibleType, + typename U = detail::uncvref_t, + detail::enable_if_t < + !detail::is_basic_json::value && detail::is_compatible_type::value, int > = 0 > + basic_json(CompatibleType && val) noexcept(noexcept( + JSONSerializer::to_json(std::declval(), + std::forward(val)))) + { + JSONSerializer::to_json(*this, std::forward(val)); + assert_invariant(); + } + + /*! + @brief create a JSON value from an existing one + + This is a constructor for existing @ref basic_json types. + It does not hijack copy/move constructors, since the parameter has different + template arguments than the current ones. + + The constructor tries to convert the internal @ref m_value of the parameter. + + @tparam BasicJsonType a type such that: + - @a BasicJsonType is a @ref basic_json type. + - @a BasicJsonType has different template arguments than @ref basic_json_t. + + @param[in] val the @ref basic_json value to be converted. + + @complexity Usually linear in the size of the passed @a val, also + depending on the implementation of the called `to_json()` + method. + + @exceptionsafety Depends on the called constructor. For types directly + supported by the library (i.e., all types for which no `to_json()` function + was provided), strong guarantee holds: if an exception is thrown, there are + no changes to any JSON value. + + @since version 3.2.0 + */ + template < typename BasicJsonType, + detail::enable_if_t < + detail::is_basic_json::value&& !std::is_same::value, int > = 0 > + basic_json(const BasicJsonType& val) + { + using other_boolean_t = typename BasicJsonType::boolean_t; + using other_number_float_t = typename BasicJsonType::number_float_t; + using other_number_integer_t = typename BasicJsonType::number_integer_t; + using other_number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using other_string_t = typename BasicJsonType::string_t; + using other_object_t = typename BasicJsonType::object_t; + using other_array_t = typename BasicJsonType::array_t; + using other_binary_t = typename BasicJsonType::binary_t; + + switch (val.type()) + { + case value_t::boolean: + JSONSerializer::to_json(*this, val.template get()); + break; + case value_t::number_float: + JSONSerializer::to_json(*this, val.template get()); + break; + case value_t::number_integer: + JSONSerializer::to_json(*this, val.template get()); + break; + case value_t::number_unsigned: + JSONSerializer::to_json(*this, val.template get()); + break; + case value_t::string: + JSONSerializer::to_json(*this, val.template get_ref()); + break; + case value_t::object: + JSONSerializer::to_json(*this, val.template get_ref()); + break; + case value_t::array: + JSONSerializer::to_json(*this, val.template get_ref()); + break; + case value_t::binary: + JSONSerializer::to_json(*this, val.template get_ref()); + break; + case value_t::null: + *this = nullptr; + break; + case value_t::discarded: + m_type = value_t::discarded; + break; + default: // LCOV_EXCL_LINE + JSON_ASSERT(false); // LCOV_EXCL_LINE + } + assert_invariant(); + } + + /*! + @brief create a container (array or object) from an initializer list + + Creates a JSON value of type array or object from the passed initializer + list @a init. In case @a type_deduction is `true` (default), the type of + the JSON value to be created is deducted from the initializer list @a init + according to the following rules: + + 1. If the list is empty, an empty JSON object value `{}` is created. + 2. If the list consists of pairs whose first element is a string, a JSON + object value is created where the first elements of the pairs are + treated as keys and the second elements are as values. + 3. In all other cases, an array is created. + + The rules aim to create the best fit between a C++ initializer list and + JSON values. The rationale is as follows: + + 1. The empty initializer list is written as `{}` which is exactly an empty + JSON object. + 2. C++ has no way of describing mapped types other than to list a list of + pairs. As JSON requires that keys must be of type string, rule 2 is the + weakest constraint one can pose on initializer lists to interpret them + as an object. + 3. In all other cases, the initializer list could not be interpreted as + JSON object type, so interpreting it as JSON array type is safe. + + With the rules described above, the following JSON values cannot be + expressed by an initializer list: + + - the empty array (`[]`): use @ref array(initializer_list_t) + with an empty initializer list in this case + - arrays whose elements satisfy rule 2: use @ref + array(initializer_list_t) with the same initializer list + in this case + + @note When used without parentheses around an empty initializer list, @ref + basic_json() is called instead of this function, yielding the JSON null + value. + + @param[in] init initializer list with JSON values + + @param[in] type_deduction internal parameter; when set to `true`, the type + of the JSON value is deducted from the initializer list @a init; when set + to `false`, the type provided via @a manual_type is forced. This mode is + used by the functions @ref array(initializer_list_t) and + @ref object(initializer_list_t). + + @param[in] manual_type internal parameter; when @a type_deduction is set + to `false`, the created JSON value will use the provided type (only @ref + value_t::array and @ref value_t::object are valid); when @a type_deduction + is set to `true`, this parameter has no effect + + @throw type_error.301 if @a type_deduction is `false`, @a manual_type is + `value_t::object`, but @a init contains an element which is not a pair + whose first element is a string. In this case, the constructor could not + create an object. If @a type_deduction would have be `true`, an array + would have been created. See @ref object(initializer_list_t) + for an example. + + @complexity Linear in the size of the initializer list @a init. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes to any JSON value. + + @liveexample{The example below shows how JSON values are created from + initializer lists.,basic_json__list_init_t} + + @sa @ref array(initializer_list_t) -- create a JSON array + value from an initializer list + @sa @ref object(initializer_list_t) -- create a JSON object + value from an initializer list + + @since version 1.0.0 + */ + basic_json(initializer_list_t init, + bool type_deduction = true, + value_t manual_type = value_t::array) + { + // check if each element is an array with two elements whose first + // element is a string + bool is_an_object = std::all_of(init.begin(), init.end(), + [](const detail::json_ref& element_ref) + { + return element_ref->is_array() && element_ref->size() == 2 && (*element_ref)[0].is_string(); + }); + + // adjust type if type deduction is not wanted + if (!type_deduction) + { + // if array is wanted, do not create an object though possible + if (manual_type == value_t::array) + { + is_an_object = false; + } + + // if object is wanted but impossible, throw an exception + if (JSON_HEDLEY_UNLIKELY(manual_type == value_t::object && !is_an_object)) + { + JSON_THROW(type_error::create(301, "cannot create object from initializer list")); + } + } + + if (is_an_object) + { + // the initializer list is a list of pairs -> create object + m_type = value_t::object; + m_value = value_t::object; + + std::for_each(init.begin(), init.end(), [this](const detail::json_ref& element_ref) + { + auto element = element_ref.moved_or_copied(); + m_value.object->emplace( + std::move(*((*element.m_value.array)[0].m_value.string)), + std::move((*element.m_value.array)[1])); + }); + } + else + { + // the initializer list describes an array -> create array + m_type = value_t::array; + m_value.array = create(init.begin(), init.end()); + } + + assert_invariant(); + } + + /*! + @brief explicitly create a binary array (without subtype) + + Creates a JSON binary array value from a given binary container. Binary + values are part of various binary formats, such as CBOR, MessagePack, and + BSON. This constructor is used to create a value for serialization to those + formats. + + @note Note, this function exists because of the difficulty in correctly + specifying the correct template overload in the standard value ctor, as both + JSON arrays and JSON binary arrays are backed with some form of a + `std::vector`. Because JSON binary arrays are a non-standard extension it + was decided that it would be best to prevent automatic initialization of a + binary array type, for backwards compatibility and so it does not happen on + accident. + + @param[in] init container containing bytes to use as binary type + + @return JSON binary array value + + @complexity Linear in the size of @a init. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes to any JSON value. + + @since version 3.8.0 + */ + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json binary(const typename binary_t::container_type& init) + { + auto res = basic_json(); + res.m_type = value_t::binary; + res.m_value = init; + return res; + } + + /*! + @brief explicitly create a binary array (with subtype) + + Creates a JSON binary array value from a given binary container. Binary + values are part of various binary formats, such as CBOR, MessagePack, and + BSON. This constructor is used to create a value for serialization to those + formats. + + @note Note, this function exists because of the difficulty in correctly + specifying the correct template overload in the standard value ctor, as both + JSON arrays and JSON binary arrays are backed with some form of a + `std::vector`. Because JSON binary arrays are a non-standard extension it + was decided that it would be best to prevent automatic initialization of a + binary array type, for backwards compatibility and so it does not happen on + accident. + + @param[in] init container containing bytes to use as binary type + @param[in] subtype subtype to use in MessagePack and BSON + + @return JSON binary array value + + @complexity Linear in the size of @a init. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes to any JSON value. + + @since version 3.8.0 + */ + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json binary(const typename binary_t::container_type& init, std::uint8_t subtype) + { + auto res = basic_json(); + res.m_type = value_t::binary; + res.m_value = binary_t(init, subtype); + return res; + } + + /// @copydoc binary(const typename binary_t::container_type&) + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json binary(typename binary_t::container_type&& init) + { + auto res = basic_json(); + res.m_type = value_t::binary; + res.m_value = std::move(init); + return res; + } + + /// @copydoc binary(const typename binary_t::container_type&, std::uint8_t) + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json binary(typename binary_t::container_type&& init, std::uint8_t subtype) + { + auto res = basic_json(); + res.m_type = value_t::binary; + res.m_value = binary_t(std::move(init), subtype); + return res; + } + + /*! + @brief explicitly create an array from an initializer list + + Creates a JSON array value from a given initializer list. That is, given a + list of values `a, b, c`, creates the JSON value `[a, b, c]`. If the + initializer list is empty, the empty array `[]` is created. + + @note This function is only needed to express two edge cases that cannot + be realized with the initializer list constructor (@ref + basic_json(initializer_list_t, bool, value_t)). These cases + are: + 1. creating an array whose elements are all pairs whose first element is a + string -- in this case, the initializer list constructor would create an + object, taking the first elements as keys + 2. creating an empty array -- passing the empty initializer list to the + initializer list constructor yields an empty object + + @param[in] init initializer list with JSON values to create an array from + (optional) + + @return JSON array value + + @complexity Linear in the size of @a init. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes to any JSON value. + + @liveexample{The following code shows an example for the `array` + function.,array} + + @sa @ref basic_json(initializer_list_t, bool, value_t) -- + create a JSON value from an initializer list + @sa @ref object(initializer_list_t) -- create a JSON object + value from an initializer list + + @since version 1.0.0 + */ + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json array(initializer_list_t init = {}) + { + return basic_json(init, false, value_t::array); + } + + /*! + @brief explicitly create an object from an initializer list + + Creates a JSON object value from a given initializer list. The initializer + lists elements must be pairs, and their first elements must be strings. If + the initializer list is empty, the empty object `{}` is created. + + @note This function is only added for symmetry reasons. In contrast to the + related function @ref array(initializer_list_t), there are + no cases which can only be expressed by this function. That is, any + initializer list @a init can also be passed to the initializer list + constructor @ref basic_json(initializer_list_t, bool, value_t). + + @param[in] init initializer list to create an object from (optional) + + @return JSON object value + + @throw type_error.301 if @a init is not a list of pairs whose first + elements are strings. In this case, no object can be created. When such a + value is passed to @ref basic_json(initializer_list_t, bool, value_t), + an array would have been created from the passed initializer list @a init. + See example below. + + @complexity Linear in the size of @a init. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes to any JSON value. + + @liveexample{The following code shows an example for the `object` + function.,object} + + @sa @ref basic_json(initializer_list_t, bool, value_t) -- + create a JSON value from an initializer list + @sa @ref array(initializer_list_t) -- create a JSON array + value from an initializer list + + @since version 1.0.0 + */ + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json object(initializer_list_t init = {}) + { + return basic_json(init, false, value_t::object); + } + + /*! + @brief construct an array with count copies of given value + + Constructs a JSON array value by creating @a cnt copies of a passed value. + In case @a cnt is `0`, an empty array is created. + + @param[in] cnt the number of JSON copies of @a val to create + @param[in] val the JSON value to copy + + @post `std::distance(begin(),end()) == cnt` holds. + + @complexity Linear in @a cnt. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes to any JSON value. + + @liveexample{The following code shows examples for the @ref + basic_json(size_type\, const basic_json&) + constructor.,basic_json__size_type_basic_json} + + @since version 1.0.0 + */ + basic_json(size_type cnt, const basic_json& val) + : m_type(value_t::array) + { + m_value.array = create(cnt, val); + assert_invariant(); + } + + /*! + @brief construct a JSON container given an iterator range + + Constructs the JSON value with the contents of the range `[first, last)`. + The semantics depends on the different types a JSON value can have: + - In case of a null type, invalid_iterator.206 is thrown. + - In case of other primitive types (number, boolean, or string), @a first + must be `begin()` and @a last must be `end()`. In this case, the value is + copied. Otherwise, invalid_iterator.204 is thrown. + - In case of structured types (array, object), the constructor behaves as + similar versions for `std::vector` or `std::map`; that is, a JSON array + or object is constructed from the values in the range. + + @tparam InputIT an input iterator type (@ref iterator or @ref + const_iterator) + + @param[in] first begin of the range to copy from (included) + @param[in] last end of the range to copy from (excluded) + + @pre Iterators @a first and @a last must be initialized. **This + precondition is enforced with an assertion (see warning).** If + assertions are switched off, a violation of this precondition yields + undefined behavior. + + @pre Range `[first, last)` is valid. Usually, this precondition cannot be + checked efficiently. Only certain edge cases are detected; see the + description of the exceptions below. A violation of this precondition + yields undefined behavior. + + @warning A precondition is enforced with a runtime assertion that will + result in calling `std::abort` if this precondition is not met. + Assertions can be disabled by defining `NDEBUG` at compile time. + See https://en.cppreference.com/w/cpp/error/assert for more + information. + + @throw invalid_iterator.201 if iterators @a first and @a last are not + compatible (i.e., do not belong to the same JSON value). In this case, + the range `[first, last)` is undefined. + @throw invalid_iterator.204 if iterators @a first and @a last belong to a + primitive type (number, boolean, or string), but @a first does not point + to the first element any more. In this case, the range `[first, last)` is + undefined. See example code below. + @throw invalid_iterator.206 if iterators @a first and @a last belong to a + null value. In this case, the range `[first, last)` is undefined. + + @complexity Linear in distance between @a first and @a last. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes to any JSON value. + + @liveexample{The example below shows several ways to create JSON values by + specifying a subrange with iterators.,basic_json__InputIt_InputIt} + + @since version 1.0.0 + */ + template < class InputIT, typename std::enable_if < + std::is_same::value || + std::is_same::value, int >::type = 0 > + basic_json(InputIT first, InputIT last) + { + JSON_ASSERT(first.m_object != nullptr); + JSON_ASSERT(last.m_object != nullptr); + + // make sure iterator fits the current value + if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) + { + JSON_THROW(invalid_iterator::create(201, "iterators are not compatible")); + } + + // copy type from first iterator + m_type = first.m_object->m_type; + + // check if iterator range is complete for primitive values + switch (m_type) + { + case value_t::boolean: + case value_t::number_float: + case value_t::number_integer: + case value_t::number_unsigned: + case value_t::string: + { + if (JSON_HEDLEY_UNLIKELY(!first.m_it.primitive_iterator.is_begin() + || !last.m_it.primitive_iterator.is_end())) + { + JSON_THROW(invalid_iterator::create(204, "iterators out of range")); + } + break; + } + + default: + break; + } + + switch (m_type) + { + case value_t::number_integer: + { + m_value.number_integer = first.m_object->m_value.number_integer; + break; + } + + case value_t::number_unsigned: + { + m_value.number_unsigned = first.m_object->m_value.number_unsigned; + break; + } + + case value_t::number_float: + { + m_value.number_float = first.m_object->m_value.number_float; + break; + } + + case value_t::boolean: + { + m_value.boolean = first.m_object->m_value.boolean; + break; + } + + case value_t::string: + { + m_value = *first.m_object->m_value.string; + break; + } + + case value_t::object: + { + m_value.object = create(first.m_it.object_iterator, + last.m_it.object_iterator); + break; + } + + case value_t::array: + { + m_value.array = create(first.m_it.array_iterator, + last.m_it.array_iterator); + break; + } + + case value_t::binary: + { + m_value = *first.m_object->m_value.binary; + break; + } + + default: + JSON_THROW(invalid_iterator::create(206, "cannot construct with iterators from " + + std::string(first.m_object->type_name()))); + } + + assert_invariant(); + } + + + /////////////////////////////////////// + // other constructors and destructor // + /////////////////////////////////////// + + template, + std::is_same>::value, int> = 0 > + basic_json(const JsonRef& ref) : basic_json(ref.moved_or_copied()) {} + + /*! + @brief copy constructor + + Creates a copy of a given JSON value. + + @param[in] other the JSON value to copy + + @post `*this == other` + + @complexity Linear in the size of @a other. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes to any JSON value. + + @requirement This function helps `basic_json` satisfying the + [Container](https://en.cppreference.com/w/cpp/named_req/Container) + requirements: + - The complexity is linear. + - As postcondition, it holds: `other == basic_json(other)`. + + @liveexample{The following code shows an example for the copy + constructor.,basic_json__basic_json} + + @since version 1.0.0 + */ + basic_json(const basic_json& other) + : m_type(other.m_type) + { + // check of passed value is valid + other.assert_invariant(); + + switch (m_type) + { + case value_t::object: + { + m_value = *other.m_value.object; + break; + } + + case value_t::array: + { + m_value = *other.m_value.array; + break; + } + + case value_t::string: + { + m_value = *other.m_value.string; + break; + } + + case value_t::boolean: + { + m_value = other.m_value.boolean; + break; + } + + case value_t::number_integer: + { + m_value = other.m_value.number_integer; + break; + } + + case value_t::number_unsigned: + { + m_value = other.m_value.number_unsigned; + break; + } + + case value_t::number_float: + { + m_value = other.m_value.number_float; + break; + } + + case value_t::binary: + { + m_value = *other.m_value.binary; + break; + } + + default: + break; + } + + assert_invariant(); + } + + /*! + @brief move constructor + + Move constructor. Constructs a JSON value with the contents of the given + value @a other using move semantics. It "steals" the resources from @a + other and leaves it as JSON null value. + + @param[in,out] other value to move to this object + + @post `*this` has the same value as @a other before the call. + @post @a other is a JSON null value. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this constructor never throws + exceptions. + + @requirement This function helps `basic_json` satisfying the + [MoveConstructible](https://en.cppreference.com/w/cpp/named_req/MoveConstructible) + requirements. + + @liveexample{The code below shows the move constructor explicitly called + via std::move.,basic_json__moveconstructor} + + @since version 1.0.0 + */ + basic_json(basic_json&& other) noexcept + : m_type(std::move(other.m_type)), + m_value(std::move(other.m_value)) + { + // check that passed value is valid + other.assert_invariant(); + + // invalidate payload + other.m_type = value_t::null; + other.m_value = {}; + + assert_invariant(); + } + + /*! + @brief copy assignment + + Copy assignment operator. Copies a JSON value via the "copy and swap" + strategy: It is expressed in terms of the copy constructor, destructor, + and the `swap()` member function. + + @param[in] other value to copy from + + @complexity Linear. + + @requirement This function helps `basic_json` satisfying the + [Container](https://en.cppreference.com/w/cpp/named_req/Container) + requirements: + - The complexity is linear. + + @liveexample{The code below shows and example for the copy assignment. It + creates a copy of value `a` which is then swapped with `b`. Finally\, the + copy of `a` (which is the null value after the swap) is + destroyed.,basic_json__copyassignment} + + @since version 1.0.0 + */ + basic_json& operator=(basic_json other) noexcept ( + std::is_nothrow_move_constructible::value&& + std::is_nothrow_move_assignable::value&& + std::is_nothrow_move_constructible::value&& + std::is_nothrow_move_assignable::value + ) + { + // check that passed value is valid + other.assert_invariant(); + + using std::swap; + swap(m_type, other.m_type); + swap(m_value, other.m_value); + + assert_invariant(); + return *this; + } + + /*! + @brief destructor + + Destroys the JSON value and frees all allocated memory. + + @complexity Linear. + + @requirement This function helps `basic_json` satisfying the + [Container](https://en.cppreference.com/w/cpp/named_req/Container) + requirements: + - The complexity is linear. + - All stored elements are destroyed and all memory is freed. + + @since version 1.0.0 + */ + ~basic_json() noexcept + { + assert_invariant(); + m_value.destroy(m_type); + } + + /// @} + + public: + /////////////////////// + // object inspection // + /////////////////////// + + /// @name object inspection + /// Functions to inspect the type of a JSON value. + /// @{ + + /*! + @brief serialization + + Serialization function for JSON values. The function tries to mimic + Python's `json.dumps()` function, and currently supports its @a indent + and @a ensure_ascii parameters. + + @param[in] indent If indent is nonnegative, then array elements and object + members will be pretty-printed with that indent level. An indent level of + `0` will only insert newlines. `-1` (the default) selects the most compact + representation. + @param[in] indent_char The character to use for indentation if @a indent is + greater than `0`. The default is ` ` (space). + @param[in] ensure_ascii If @a ensure_ascii is true, all non-ASCII characters + in the output are escaped with `\uXXXX` sequences, and the result consists + of ASCII characters only. + @param[in] error_handler how to react on decoding errors; there are three + possible values: `strict` (throws and exception in case a decoding error + occurs; default), `replace` (replace invalid UTF-8 sequences with U+FFFD), + and `ignore` (ignore invalid UTF-8 sequences during serialization; all + bytes are copied to the output unchanged). + + @return string containing the serialization of the JSON value + + @throw type_error.316 if a string stored inside the JSON value is not + UTF-8 encoded and @a error_handler is set to strict + + @note Binary values are serialized as object containing two keys: + - "bytes": an array of bytes as integers + - "subtype": the subtype as integer or "null" if the binary has no subtype + + @complexity Linear. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes in the JSON value. + + @liveexample{The following example shows the effect of different @a indent\, + @a indent_char\, and @a ensure_ascii parameters to the result of the + serialization.,dump} + + @see https://docs.python.org/2/library/json.html#json.dump + + @since version 1.0.0; indentation character @a indent_char, option + @a ensure_ascii and exceptions added in version 3.0.0; error + handlers added in version 3.4.0; serialization of binary values added + in version 3.8.0. + */ + string_t dump(const int indent = -1, + const char indent_char = ' ', + const bool ensure_ascii = false, + const error_handler_t error_handler = error_handler_t::strict) const + { + string_t result; + serializer s(detail::output_adapter(result), indent_char, error_handler); + + if (indent >= 0) + { + s.dump(*this, true, ensure_ascii, static_cast(indent)); + } + else + { + s.dump(*this, false, ensure_ascii, 0); + } + + return result; + } + + /*! + @brief return the type of the JSON value (explicit) + + Return the type of the JSON value as a value from the @ref value_t + enumeration. + + @return the type of the JSON value + Value type | return value + ------------------------- | ------------------------- + null | value_t::null + boolean | value_t::boolean + string | value_t::string + number (integer) | value_t::number_integer + number (unsigned integer) | value_t::number_unsigned + number (floating-point) | value_t::number_float + object | value_t::object + array | value_t::array + binary | value_t::binary + discarded | value_t::discarded + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `type()` for all JSON + types.,type} + + @sa @ref operator value_t() -- return the type of the JSON value (implicit) + @sa @ref type_name() -- return the type as string + + @since version 1.0.0 + */ + constexpr value_t type() const noexcept + { + return m_type; + } + + /*! + @brief return whether type is primitive + + This function returns true if and only if the JSON type is primitive + (string, number, boolean, or null). + + @return `true` if type is primitive (string, number, boolean, or null), + `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_primitive()` for all JSON + types.,is_primitive} + + @sa @ref is_structured() -- returns whether JSON value is structured + @sa @ref is_null() -- returns whether JSON value is `null` + @sa @ref is_string() -- returns whether JSON value is a string + @sa @ref is_boolean() -- returns whether JSON value is a boolean + @sa @ref is_number() -- returns whether JSON value is a number + @sa @ref is_binary() -- returns whether JSON value is a binary array + + @since version 1.0.0 + */ + constexpr bool is_primitive() const noexcept + { + return is_null() || is_string() || is_boolean() || is_number() || is_binary(); + } + + /*! + @brief return whether type is structured + + This function returns true if and only if the JSON type is structured + (array or object). + + @return `true` if type is structured (array or object), `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_structured()` for all JSON + types.,is_structured} + + @sa @ref is_primitive() -- returns whether value is primitive + @sa @ref is_array() -- returns whether value is an array + @sa @ref is_object() -- returns whether value is an object + + @since version 1.0.0 + */ + constexpr bool is_structured() const noexcept + { + return is_array() || is_object(); + } + + /*! + @brief return whether value is null + + This function returns true if and only if the JSON value is null. + + @return `true` if type is null, `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_null()` for all JSON + types.,is_null} + + @since version 1.0.0 + */ + constexpr bool is_null() const noexcept + { + return m_type == value_t::null; + } + + /*! + @brief return whether value is a boolean + + This function returns true if and only if the JSON value is a boolean. + + @return `true` if type is boolean, `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_boolean()` for all JSON + types.,is_boolean} + + @since version 1.0.0 + */ + constexpr bool is_boolean() const noexcept + { + return m_type == value_t::boolean; + } + + /*! + @brief return whether value is a number + + This function returns true if and only if the JSON value is a number. This + includes both integer (signed and unsigned) and floating-point values. + + @return `true` if type is number (regardless whether integer, unsigned + integer or floating-type), `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_number()` for all JSON + types.,is_number} + + @sa @ref is_number_integer() -- check if value is an integer or unsigned + integer number + @sa @ref is_number_unsigned() -- check if value is an unsigned integer + number + @sa @ref is_number_float() -- check if value is a floating-point number + + @since version 1.0.0 + */ + constexpr bool is_number() const noexcept + { + return is_number_integer() || is_number_float(); + } + + /*! + @brief return whether value is an integer number + + This function returns true if and only if the JSON value is a signed or + unsigned integer number. This excludes floating-point values. + + @return `true` if type is an integer or unsigned integer number, `false` + otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_number_integer()` for all + JSON types.,is_number_integer} + + @sa @ref is_number() -- check if value is a number + @sa @ref is_number_unsigned() -- check if value is an unsigned integer + number + @sa @ref is_number_float() -- check if value is a floating-point number + + @since version 1.0.0 + */ + constexpr bool is_number_integer() const noexcept + { + return m_type == value_t::number_integer || m_type == value_t::number_unsigned; + } + + /*! + @brief return whether value is an unsigned integer number + + This function returns true if and only if the JSON value is an unsigned + integer number. This excludes floating-point and signed integer values. + + @return `true` if type is an unsigned integer number, `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_number_unsigned()` for all + JSON types.,is_number_unsigned} + + @sa @ref is_number() -- check if value is a number + @sa @ref is_number_integer() -- check if value is an integer or unsigned + integer number + @sa @ref is_number_float() -- check if value is a floating-point number + + @since version 2.0.0 + */ + constexpr bool is_number_unsigned() const noexcept + { + return m_type == value_t::number_unsigned; + } + + /*! + @brief return whether value is a floating-point number + + This function returns true if and only if the JSON value is a + floating-point number. This excludes signed and unsigned integer values. + + @return `true` if type is a floating-point number, `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_number_float()` for all + JSON types.,is_number_float} + + @sa @ref is_number() -- check if value is number + @sa @ref is_number_integer() -- check if value is an integer number + @sa @ref is_number_unsigned() -- check if value is an unsigned integer + number + + @since version 1.0.0 + */ + constexpr bool is_number_float() const noexcept + { + return m_type == value_t::number_float; + } + + /*! + @brief return whether value is an object + + This function returns true if and only if the JSON value is an object. + + @return `true` if type is object, `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_object()` for all JSON + types.,is_object} + + @since version 1.0.0 + */ + constexpr bool is_object() const noexcept + { + return m_type == value_t::object; + } + + /*! + @brief return whether value is an array + + This function returns true if and only if the JSON value is an array. + + @return `true` if type is array, `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_array()` for all JSON + types.,is_array} + + @since version 1.0.0 + */ + constexpr bool is_array() const noexcept + { + return m_type == value_t::array; + } + + /*! + @brief return whether value is a string + + This function returns true if and only if the JSON value is a string. + + @return `true` if type is string, `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_string()` for all JSON + types.,is_string} + + @since version 1.0.0 + */ + constexpr bool is_string() const noexcept + { + return m_type == value_t::string; + } + + /*! + @brief return whether value is a binary array + + This function returns true if and only if the JSON value is a binary array. + + @return `true` if type is binary array, `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_binary()` for all JSON + types.,is_binary} + + @since version 3.8.0 + */ + constexpr bool is_binary() const noexcept + { + return m_type == value_t::binary; + } + + /*! + @brief return whether value is discarded + + This function returns true if and only if the JSON value was discarded + during parsing with a callback function (see @ref parser_callback_t). + + @note This function will always be `false` for JSON values after parsing. + That is, discarded values can only occur during parsing, but will be + removed when inside a structured value or replaced by null in other cases. + + @return `true` if type is discarded, `false` otherwise. + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies `is_discarded()` for all JSON + types.,is_discarded} + + @since version 1.0.0 + */ + constexpr bool is_discarded() const noexcept + { + return m_type == value_t::discarded; + } + + /*! + @brief return the type of the JSON value (implicit) + + Implicitly return the type of the JSON value as a value from the @ref + value_t enumeration. + + @return the type of the JSON value + + @complexity Constant. + + @exceptionsafety No-throw guarantee: this member function never throws + exceptions. + + @liveexample{The following code exemplifies the @ref value_t operator for + all JSON types.,operator__value_t} + + @sa @ref type() -- return the type of the JSON value (explicit) + @sa @ref type_name() -- return the type as string + + @since version 1.0.0 + */ + constexpr operator value_t() const noexcept + { + return m_type; + } + + /// @} + + private: + ////////////////// + // value access // + ////////////////// + + /// get a boolean (explicit) + boolean_t get_impl(boolean_t* /*unused*/) const + { + if (JSON_HEDLEY_LIKELY(is_boolean())) + { + return m_value.boolean; + } + + JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(type_name()))); + } + + /// get a pointer to the value (object) + object_t* get_impl_ptr(object_t* /*unused*/) noexcept + { + return is_object() ? m_value.object : nullptr; + } + + /// get a pointer to the value (object) + constexpr const object_t* get_impl_ptr(const object_t* /*unused*/) const noexcept + { + return is_object() ? m_value.object : nullptr; + } + + /// get a pointer to the value (array) + array_t* get_impl_ptr(array_t* /*unused*/) noexcept + { + return is_array() ? m_value.array : nullptr; + } + + /// get a pointer to the value (array) + constexpr const array_t* get_impl_ptr(const array_t* /*unused*/) const noexcept + { + return is_array() ? m_value.array : nullptr; + } + + /// get a pointer to the value (string) + string_t* get_impl_ptr(string_t* /*unused*/) noexcept + { + return is_string() ? m_value.string : nullptr; + } + + /// get a pointer to the value (string) + constexpr const string_t* get_impl_ptr(const string_t* /*unused*/) const noexcept + { + return is_string() ? m_value.string : nullptr; + } + + /// get a pointer to the value (boolean) + boolean_t* get_impl_ptr(boolean_t* /*unused*/) noexcept + { + return is_boolean() ? &m_value.boolean : nullptr; + } + + /// get a pointer to the value (boolean) + constexpr const boolean_t* get_impl_ptr(const boolean_t* /*unused*/) const noexcept + { + return is_boolean() ? &m_value.boolean : nullptr; + } + + /// get a pointer to the value (integer number) + number_integer_t* get_impl_ptr(number_integer_t* /*unused*/) noexcept + { + return is_number_integer() ? &m_value.number_integer : nullptr; + } + + /// get a pointer to the value (integer number) + constexpr const number_integer_t* get_impl_ptr(const number_integer_t* /*unused*/) const noexcept + { + return is_number_integer() ? &m_value.number_integer : nullptr; + } + + /// get a pointer to the value (unsigned number) + number_unsigned_t* get_impl_ptr(number_unsigned_t* /*unused*/) noexcept + { + return is_number_unsigned() ? &m_value.number_unsigned : nullptr; + } + + /// get a pointer to the value (unsigned number) + constexpr const number_unsigned_t* get_impl_ptr(const number_unsigned_t* /*unused*/) const noexcept + { + return is_number_unsigned() ? &m_value.number_unsigned : nullptr; + } + + /// get a pointer to the value (floating-point number) + number_float_t* get_impl_ptr(number_float_t* /*unused*/) noexcept + { + return is_number_float() ? &m_value.number_float : nullptr; + } + + /// get a pointer to the value (floating-point number) + constexpr const number_float_t* get_impl_ptr(const number_float_t* /*unused*/) const noexcept + { + return is_number_float() ? &m_value.number_float : nullptr; + } + + /// get a pointer to the value (binary) + binary_t* get_impl_ptr(binary_t* /*unused*/) noexcept + { + return is_binary() ? m_value.binary : nullptr; + } + + /// get a pointer to the value (binary) + constexpr const binary_t* get_impl_ptr(const binary_t* /*unused*/) const noexcept + { + return is_binary() ? m_value.binary : nullptr; + } + + /*! + @brief helper function to implement get_ref() + + This function helps to implement get_ref() without code duplication for + const and non-const overloads + + @tparam ThisType will be deduced as `basic_json` or `const basic_json` + + @throw type_error.303 if ReferenceType does not match underlying value + type of the current JSON + */ + template + static ReferenceType get_ref_impl(ThisType& obj) + { + // delegate the call to get_ptr<>() + auto ptr = obj.template get_ptr::type>(); + + if (JSON_HEDLEY_LIKELY(ptr != nullptr)) + { + return *ptr; + } + + JSON_THROW(type_error::create(303, "incompatible ReferenceType for get_ref, actual type is " + std::string(obj.type_name()))); + } + + public: + /// @name value access + /// Direct access to the stored value of a JSON value. + /// @{ + + /*! + @brief get special-case overload + + This overloads avoids a lot of template boilerplate, it can be seen as the + identity method + + @tparam BasicJsonType == @ref basic_json + + @return a copy of *this + + @complexity Constant. + + @since version 2.1.0 + */ + template::type, basic_json_t>::value, + int> = 0> + basic_json get() const + { + return *this; + } + + /*! + @brief get special-case overload + + This overloads converts the current @ref basic_json in a different + @ref basic_json type + + @tparam BasicJsonType == @ref basic_json + + @return a copy of *this, converted into @tparam BasicJsonType + + @complexity Depending on the implementation of the called `from_json()` + method. + + @since version 3.2.0 + */ + template < typename BasicJsonType, detail::enable_if_t < + !std::is_same::value&& + detail::is_basic_json::value, int > = 0 > + BasicJsonType get() const + { + return *this; + } + + /*! + @brief get a value (explicit) + + Explicit type conversion between the JSON value and a compatible value + which is [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible) + and [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible). + The value is converted by calling the @ref json_serializer + `from_json()` method. + + The function is equivalent to executing + @code {.cpp} + ValueType ret; + JSONSerializer::from_json(*this, ret); + return ret; + @endcode + + This overloads is chosen if: + - @a ValueType is not @ref basic_json, + - @ref json_serializer has a `from_json()` method of the form + `void from_json(const basic_json&, ValueType&)`, and + - @ref json_serializer does not have a `from_json()` method of + the form `ValueType from_json(const basic_json&)` + + @tparam ValueTypeCV the provided value type + @tparam ValueType the returned value type + + @return copy of the JSON value, converted to @a ValueType + + @throw what @ref json_serializer `from_json()` method throws + + @liveexample{The example below shows several conversions from JSON values + to other types. There a few things to note: (1) Floating-point numbers can + be converted to integers\, (2) A JSON array can be converted to a standard + `std::vector`\, (3) A JSON object can be converted to C++ + associative containers such as `std::unordered_map`.,get__ValueType_const} + + @since version 2.1.0 + */ + template < typename ValueTypeCV, typename ValueType = detail::uncvref_t, + detail::enable_if_t < + !detail::is_basic_json::value && + detail::has_from_json::value && + !detail::has_non_default_from_json::value, + int > = 0 > + ValueType get() const noexcept(noexcept( + JSONSerializer::from_json(std::declval(), std::declval()))) + { + // we cannot static_assert on ValueTypeCV being non-const, because + // there is support for get(), which is why we + // still need the uncvref + static_assert(!std::is_reference::value, + "get() cannot be used with reference types, you might want to use get_ref()"); + static_assert(std::is_default_constructible::value, + "types must be DefaultConstructible when used with get()"); + + ValueType ret; + JSONSerializer::from_json(*this, ret); + return ret; + } + + /*! + @brief get a value (explicit); special case + + Explicit type conversion between the JSON value and a compatible value + which is **not** [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible) + and **not** [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible). + The value is converted by calling the @ref json_serializer + `from_json()` method. + + The function is equivalent to executing + @code {.cpp} + return JSONSerializer::from_json(*this); + @endcode + + This overloads is chosen if: + - @a ValueType is not @ref basic_json and + - @ref json_serializer has a `from_json()` method of the form + `ValueType from_json(const basic_json&)` + + @note If @ref json_serializer has both overloads of + `from_json()`, this one is chosen. + + @tparam ValueTypeCV the provided value type + @tparam ValueType the returned value type + + @return copy of the JSON value, converted to @a ValueType + + @throw what @ref json_serializer `from_json()` method throws + + @since version 2.1.0 + */ + template < typename ValueTypeCV, typename ValueType = detail::uncvref_t, + detail::enable_if_t < !std::is_same::value && + detail::has_non_default_from_json::value, + int > = 0 > + ValueType get() const noexcept(noexcept( + JSONSerializer::from_json(std::declval()))) + { + static_assert(!std::is_reference::value, + "get() cannot be used with reference types, you might want to use get_ref()"); + return JSONSerializer::from_json(*this); + } + + /*! + @brief get a value (explicit) + + Explicit type conversion between the JSON value and a compatible value. + The value is filled into the input parameter by calling the @ref json_serializer + `from_json()` method. + + The function is equivalent to executing + @code {.cpp} + ValueType v; + JSONSerializer::from_json(*this, v); + @endcode + + This overloads is chosen if: + - @a ValueType is not @ref basic_json, + - @ref json_serializer has a `from_json()` method of the form + `void from_json(const basic_json&, ValueType&)`, and + + @tparam ValueType the input parameter type. + + @return the input parameter, allowing chaining calls. + + @throw what @ref json_serializer `from_json()` method throws + + @liveexample{The example below shows several conversions from JSON values + to other types. There a few things to note: (1) Floating-point numbers can + be converted to integers\, (2) A JSON array can be converted to a standard + `std::vector`\, (3) A JSON object can be converted to C++ + associative containers such as `std::unordered_map`.,get_to} + + @since version 3.3.0 + */ + template < typename ValueType, + detail::enable_if_t < + !detail::is_basic_json::value&& + detail::has_from_json::value, + int > = 0 > + ValueType & get_to(ValueType& v) const noexcept(noexcept( + JSONSerializer::from_json(std::declval(), v))) + { + JSONSerializer::from_json(*this, v); + return v; + } + + // specialization to allow to call get_to with a basic_json value + // see https://github.com/nlohmann/json/issues/2175 + template::value, + int> = 0> + ValueType & get_to(ValueType& v) const + { + v = *this; + return v; + } + + template < + typename T, std::size_t N, + typename Array = T (&)[N], + detail::enable_if_t < + detail::has_from_json::value, int > = 0 > + Array get_to(T (&v)[N]) const + noexcept(noexcept(JSONSerializer::from_json( + std::declval(), v))) + { + JSONSerializer::from_json(*this, v); + return v; + } + + + /*! + @brief get a pointer value (implicit) + + Implicit pointer access to the internally stored JSON value. No copies are + made. + + @warning Writing data to the pointee of the result yields an undefined + state. + + @tparam PointerType pointer type; must be a pointer to @ref array_t, @ref + object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, + @ref number_unsigned_t, or @ref number_float_t. Enforced by a static + assertion. + + @return pointer to the internally stored JSON value if the requested + pointer type @a PointerType fits to the JSON value; `nullptr` otherwise + + @complexity Constant. + + @liveexample{The example below shows how pointers to internal values of a + JSON value can be requested. Note that no type conversions are made and a + `nullptr` is returned if the value and the requested pointer type does not + match.,get_ptr} + + @since version 1.0.0 + */ + template::value, int>::type = 0> + auto get_ptr() noexcept -> decltype(std::declval().get_impl_ptr(std::declval())) + { + // delegate the call to get_impl_ptr<>() + return get_impl_ptr(static_cast(nullptr)); + } + + /*! + @brief get a pointer value (implicit) + @copydoc get_ptr() + */ + template < typename PointerType, typename std::enable_if < + std::is_pointer::value&& + std::is_const::type>::value, int >::type = 0 > + constexpr auto get_ptr() const noexcept -> decltype(std::declval().get_impl_ptr(std::declval())) + { + // delegate the call to get_impl_ptr<>() const + return get_impl_ptr(static_cast(nullptr)); + } + + /*! + @brief get a pointer value (explicit) + + Explicit pointer access to the internally stored JSON value. No copies are + made. + + @warning The pointer becomes invalid if the underlying JSON object + changes. + + @tparam PointerType pointer type; must be a pointer to @ref array_t, @ref + object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, + @ref number_unsigned_t, or @ref number_float_t. + + @return pointer to the internally stored JSON value if the requested + pointer type @a PointerType fits to the JSON value; `nullptr` otherwise + + @complexity Constant. + + @liveexample{The example below shows how pointers to internal values of a + JSON value can be requested. Note that no type conversions are made and a + `nullptr` is returned if the value and the requested pointer type does not + match.,get__PointerType} + + @sa @ref get_ptr() for explicit pointer-member access + + @since version 1.0.0 + */ + template::value, int>::type = 0> + auto get() noexcept -> decltype(std::declval().template get_ptr()) + { + // delegate the call to get_ptr + return get_ptr(); + } + + /*! + @brief get a pointer value (explicit) + @copydoc get() + */ + template::value, int>::type = 0> + constexpr auto get() const noexcept -> decltype(std::declval().template get_ptr()) + { + // delegate the call to get_ptr + return get_ptr(); + } + + /*! + @brief get a reference value (implicit) + + Implicit reference access to the internally stored JSON value. No copies + are made. + + @warning Writing data to the referee of the result yields an undefined + state. + + @tparam ReferenceType reference type; must be a reference to @ref array_t, + @ref object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, or + @ref number_float_t. Enforced by static assertion. + + @return reference to the internally stored JSON value if the requested + reference type @a ReferenceType fits to the JSON value; throws + type_error.303 otherwise + + @throw type_error.303 in case passed type @a ReferenceType is incompatible + with the stored JSON value; see example below + + @complexity Constant. + + @liveexample{The example shows several calls to `get_ref()`.,get_ref} + + @since version 1.1.0 + */ + template::value, int>::type = 0> + ReferenceType get_ref() + { + // delegate call to get_ref_impl + return get_ref_impl(*this); + } + + /*! + @brief get a reference value (implicit) + @copydoc get_ref() + */ + template < typename ReferenceType, typename std::enable_if < + std::is_reference::value&& + std::is_const::type>::value, int >::type = 0 > + ReferenceType get_ref() const + { + // delegate call to get_ref_impl + return get_ref_impl(*this); + } + + /*! + @brief get a value (implicit) + + Implicit type conversion between the JSON value and a compatible value. + The call is realized by calling @ref get() const. + + @tparam ValueType non-pointer type compatible to the JSON value, for + instance `int` for JSON integer numbers, `bool` for JSON booleans, or + `std::vector` types for JSON arrays. The character type of @ref string_t + as well as an initializer list of this type is excluded to avoid + ambiguities as these types implicitly convert to `std::string`. + + @return copy of the JSON value, converted to type @a ValueType + + @throw type_error.302 in case passed type @a ValueType is incompatible + to the JSON value type (e.g., the JSON value is of type boolean, but a + string is requested); see example below + + @complexity Linear in the size of the JSON value. + + @liveexample{The example below shows several conversions from JSON values + to other types. There a few things to note: (1) Floating-point numbers can + be converted to integers\, (2) A JSON array can be converted to a standard + `std::vector`\, (3) A JSON object can be converted to C++ + associative containers such as `std::unordered_map`.,operator__ValueType} + + @since version 1.0.0 + */ + template < typename ValueType, typename std::enable_if < + !std::is_pointer::value&& + !std::is_same>::value&& + !std::is_same::value&& + !detail::is_basic_json::value + && !std::is_same>::value +#if defined(JSON_HAS_CPP_17) && (defined(__GNUC__) || (defined(_MSC_VER) && _MSC_VER >= 1910 && _MSC_VER <= 1914)) + && !std::is_same::value +#endif + && detail::is_detected::value + , int >::type = 0 > + JSON_EXPLICIT operator ValueType() const + { + // delegate the call to get<>() const + return get(); + } + + /*! + @return reference to the binary value + + @throw type_error.302 if the value is not binary + + @sa @ref is_binary() to check if the value is binary + + @since version 3.8.0 + */ + binary_t& get_binary() + { + if (!is_binary()) + { + JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(type_name()))); + } + + return *get_ptr(); + } + + /// @copydoc get_binary() + const binary_t& get_binary() const + { + if (!is_binary()) + { + JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(type_name()))); + } + + return *get_ptr(); + } + + /// @} + + + //////////////////// + // element access // + //////////////////// + + /// @name element access + /// Access to the JSON value. + /// @{ + + /*! + @brief access specified array element with bounds checking + + Returns a reference to the element at specified location @a idx, with + bounds checking. + + @param[in] idx index of the element to access + + @return reference to the element at index @a idx + + @throw type_error.304 if the JSON value is not an array; in this case, + calling `at` with an index makes no sense. See example below. + @throw out_of_range.401 if the index @a idx is out of range of the array; + that is, `idx >= size()`. See example below. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes in the JSON value. + + @complexity Constant. + + @since version 1.0.0 + + @liveexample{The example below shows how array elements can be read and + written using `at()`. It also demonstrates the different exceptions that + can be thrown.,at__size_type} + */ + reference at(size_type idx) + { + // at only works for arrays + if (JSON_HEDLEY_LIKELY(is_array())) + { + JSON_TRY + { + return m_value.array->at(idx); + } + JSON_CATCH (std::out_of_range&) + { + // create better exception explanation + JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); + } + } + else + { + JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); + } + } + + /*! + @brief access specified array element with bounds checking + + Returns a const reference to the element at specified location @a idx, + with bounds checking. + + @param[in] idx index of the element to access + + @return const reference to the element at index @a idx + + @throw type_error.304 if the JSON value is not an array; in this case, + calling `at` with an index makes no sense. See example below. + @throw out_of_range.401 if the index @a idx is out of range of the array; + that is, `idx >= size()`. See example below. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes in the JSON value. + + @complexity Constant. + + @since version 1.0.0 + + @liveexample{The example below shows how array elements can be read using + `at()`. It also demonstrates the different exceptions that can be thrown., + at__size_type_const} + */ + const_reference at(size_type idx) const + { + // at only works for arrays + if (JSON_HEDLEY_LIKELY(is_array())) + { + JSON_TRY + { + return m_value.array->at(idx); + } + JSON_CATCH (std::out_of_range&) + { + // create better exception explanation + JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); + } + } + else + { + JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); + } + } + + /*! + @brief access specified object element with bounds checking + + Returns a reference to the element at with specified key @a key, with + bounds checking. + + @param[in] key key of the element to access + + @return reference to the element at key @a key + + @throw type_error.304 if the JSON value is not an object; in this case, + calling `at` with a key makes no sense. See example below. + @throw out_of_range.403 if the key @a key is is not stored in the object; + that is, `find(key) == end()`. See example below. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes in the JSON value. + + @complexity Logarithmic in the size of the container. + + @sa @ref operator[](const typename object_t::key_type&) for unchecked + access by reference + @sa @ref value() for access by value with a default value + + @since version 1.0.0 + + @liveexample{The example below shows how object elements can be read and + written using `at()`. It also demonstrates the different exceptions that + can be thrown.,at__object_t_key_type} + */ + reference at(const typename object_t::key_type& key) + { + // at only works for objects + if (JSON_HEDLEY_LIKELY(is_object())) + { + JSON_TRY + { + return m_value.object->at(key); + } + JSON_CATCH (std::out_of_range&) + { + // create better exception explanation + JSON_THROW(out_of_range::create(403, "key '" + key + "' not found")); + } + } + else + { + JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); + } + } + + /*! + @brief access specified object element with bounds checking + + Returns a const reference to the element at with specified key @a key, + with bounds checking. + + @param[in] key key of the element to access + + @return const reference to the element at key @a key + + @throw type_error.304 if the JSON value is not an object; in this case, + calling `at` with a key makes no sense. See example below. + @throw out_of_range.403 if the key @a key is is not stored in the object; + that is, `find(key) == end()`. See example below. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes in the JSON value. + + @complexity Logarithmic in the size of the container. + + @sa @ref operator[](const typename object_t::key_type&) for unchecked + access by reference + @sa @ref value() for access by value with a default value + + @since version 1.0.0 + + @liveexample{The example below shows how object elements can be read using + `at()`. It also demonstrates the different exceptions that can be thrown., + at__object_t_key_type_const} + */ + const_reference at(const typename object_t::key_type& key) const + { + // at only works for objects + if (JSON_HEDLEY_LIKELY(is_object())) + { + JSON_TRY + { + return m_value.object->at(key); + } + JSON_CATCH (std::out_of_range&) + { + // create better exception explanation + JSON_THROW(out_of_range::create(403, "key '" + key + "' not found")); + } + } + else + { + JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); + } + } + + /*! + @brief access specified array element + + Returns a reference to the element at specified location @a idx. + + @note If @a idx is beyond the range of the array (i.e., `idx >= size()`), + then the array is silently filled up with `null` values to make `idx` a + valid reference to the last stored element. + + @param[in] idx index of the element to access + + @return reference to the element at index @a idx + + @throw type_error.305 if the JSON value is not an array or null; in that + cases, using the [] operator with an index makes no sense. + + @complexity Constant if @a idx is in the range of the array. Otherwise + linear in `idx - size()`. + + @liveexample{The example below shows how array elements can be read and + written using `[]` operator. Note the addition of `null` + values.,operatorarray__size_type} + + @since version 1.0.0 + */ + reference operator[](size_type idx) + { + // implicitly convert null value to an empty array + if (is_null()) + { + m_type = value_t::array; + m_value.array = create(); + assert_invariant(); + } + + // operator[] only works for arrays + if (JSON_HEDLEY_LIKELY(is_array())) + { + // fill up array with null values if given idx is outside range + if (idx >= m_value.array->size()) + { + m_value.array->insert(m_value.array->end(), + idx - m_value.array->size() + 1, + basic_json()); + } + + return m_value.array->operator[](idx); + } + + JSON_THROW(type_error::create(305, "cannot use operator[] with a numeric argument with " + std::string(type_name()))); + } + + /*! + @brief access specified array element + + Returns a const reference to the element at specified location @a idx. + + @param[in] idx index of the element to access + + @return const reference to the element at index @a idx + + @throw type_error.305 if the JSON value is not an array; in that case, + using the [] operator with an index makes no sense. + + @complexity Constant. + + @liveexample{The example below shows how array elements can be read using + the `[]` operator.,operatorarray__size_type_const} + + @since version 1.0.0 + */ + const_reference operator[](size_type idx) const + { + // const operator[] only works for arrays + if (JSON_HEDLEY_LIKELY(is_array())) + { + return m_value.array->operator[](idx); + } + + JSON_THROW(type_error::create(305, "cannot use operator[] with a numeric argument with " + std::string(type_name()))); + } + + /*! + @brief access specified object element + + Returns a reference to the element at with specified key @a key. + + @note If @a key is not found in the object, then it is silently added to + the object and filled with a `null` value to make `key` a valid reference. + In case the value was `null` before, it is converted to an object. + + @param[in] key key of the element to access + + @return reference to the element at key @a key + + @throw type_error.305 if the JSON value is not an object or null; in that + cases, using the [] operator with a key makes no sense. + + @complexity Logarithmic in the size of the container. + + @liveexample{The example below shows how object elements can be read and + written using the `[]` operator.,operatorarray__key_type} + + @sa @ref at(const typename object_t::key_type&) for access by reference + with range checking + @sa @ref value() for access by value with a default value + + @since version 1.0.0 + */ + reference operator[](const typename object_t::key_type& key) + { + // implicitly convert null value to an empty object + if (is_null()) + { + m_type = value_t::object; + m_value.object = create(); + assert_invariant(); + } + + // operator[] only works for objects + if (JSON_HEDLEY_LIKELY(is_object())) + { + return m_value.object->operator[](key); + } + + JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); + } + + /*! + @brief read-only access specified object element + + Returns a const reference to the element at with specified key @a key. No + bounds checking is performed. + + @warning If the element with key @a key does not exist, the behavior is + undefined. + + @param[in] key key of the element to access + + @return const reference to the element at key @a key + + @pre The element with key @a key must exist. **This precondition is + enforced with an assertion.** + + @throw type_error.305 if the JSON value is not an object; in that case, + using the [] operator with a key makes no sense. + + @complexity Logarithmic in the size of the container. + + @liveexample{The example below shows how object elements can be read using + the `[]` operator.,operatorarray__key_type_const} + + @sa @ref at(const typename object_t::key_type&) for access by reference + with range checking + @sa @ref value() for access by value with a default value + + @since version 1.0.0 + */ + const_reference operator[](const typename object_t::key_type& key) const + { + // const operator[] only works for objects + if (JSON_HEDLEY_LIKELY(is_object())) + { + JSON_ASSERT(m_value.object->find(key) != m_value.object->end()); + return m_value.object->find(key)->second; + } + + JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); + } + + /*! + @brief access specified object element + + Returns a reference to the element at with specified key @a key. + + @note If @a key is not found in the object, then it is silently added to + the object and filled with a `null` value to make `key` a valid reference. + In case the value was `null` before, it is converted to an object. + + @param[in] key key of the element to access + + @return reference to the element at key @a key + + @throw type_error.305 if the JSON value is not an object or null; in that + cases, using the [] operator with a key makes no sense. + + @complexity Logarithmic in the size of the container. + + @liveexample{The example below shows how object elements can be read and + written using the `[]` operator.,operatorarray__key_type} + + @sa @ref at(const typename object_t::key_type&) for access by reference + with range checking + @sa @ref value() for access by value with a default value + + @since version 1.1.0 + */ + template + JSON_HEDLEY_NON_NULL(2) + reference operator[](T* key) + { + // implicitly convert null to object + if (is_null()) + { + m_type = value_t::object; + m_value = value_t::object; + assert_invariant(); + } + + // at only works for objects + if (JSON_HEDLEY_LIKELY(is_object())) + { + return m_value.object->operator[](key); + } + + JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); + } + + /*! + @brief read-only access specified object element + + Returns a const reference to the element at with specified key @a key. No + bounds checking is performed. + + @warning If the element with key @a key does not exist, the behavior is + undefined. + + @param[in] key key of the element to access + + @return const reference to the element at key @a key + + @pre The element with key @a key must exist. **This precondition is + enforced with an assertion.** + + @throw type_error.305 if the JSON value is not an object; in that case, + using the [] operator with a key makes no sense. + + @complexity Logarithmic in the size of the container. + + @liveexample{The example below shows how object elements can be read using + the `[]` operator.,operatorarray__key_type_const} + + @sa @ref at(const typename object_t::key_type&) for access by reference + with range checking + @sa @ref value() for access by value with a default value + + @since version 1.1.0 + */ + template + JSON_HEDLEY_NON_NULL(2) + const_reference operator[](T* key) const + { + // at only works for objects + if (JSON_HEDLEY_LIKELY(is_object())) + { + JSON_ASSERT(m_value.object->find(key) != m_value.object->end()); + return m_value.object->find(key)->second; + } + + JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); + } + + /*! + @brief access specified object element with default value + + Returns either a copy of an object's element at the specified key @a key + or a given default value if no element with key @a key exists. + + The function is basically equivalent to executing + @code {.cpp} + try { + return at(key); + } catch(out_of_range) { + return default_value; + } + @endcode + + @note Unlike @ref at(const typename object_t::key_type&), this function + does not throw if the given key @a key was not found. + + @note Unlike @ref operator[](const typename object_t::key_type& key), this + function does not implicitly add an element to the position defined by @a + key. This function is furthermore also applicable to const objects. + + @param[in] key key of the element to access + @param[in] default_value the value to return if @a key is not found + + @tparam ValueType type compatible to JSON values, for instance `int` for + JSON integer numbers, `bool` for JSON booleans, or `std::vector` types for + JSON arrays. Note the type of the expected value at @a key and the default + value @a default_value must be compatible. + + @return copy of the element at key @a key or @a default_value if @a key + is not found + + @throw type_error.302 if @a default_value does not match the type of the + value at @a key + @throw type_error.306 if the JSON value is not an object; in that case, + using `value()` with a key makes no sense. + + @complexity Logarithmic in the size of the container. + + @liveexample{The example below shows how object elements can be queried + with a default value.,basic_json__value} + + @sa @ref at(const typename object_t::key_type&) for access by reference + with range checking + @sa @ref operator[](const typename object_t::key_type&) for unchecked + access by reference + + @since version 1.0.0 + */ + // using std::is_convertible in a std::enable_if will fail when using explicit conversions + template < class ValueType, typename std::enable_if < + detail::is_getable::value + && !std::is_same::value, int >::type = 0 > + ValueType value(const typename object_t::key_type& key, const ValueType& default_value) const + { + // at only works for objects + if (JSON_HEDLEY_LIKELY(is_object())) + { + // if key is found, return value and given default value otherwise + const auto it = find(key); + if (it != end()) + { + return it->template get(); + } + + return default_value; + } + + JSON_THROW(type_error::create(306, "cannot use value() with " + std::string(type_name()))); + } + + /*! + @brief overload for a default value of type const char* + @copydoc basic_json::value(const typename object_t::key_type&, const ValueType&) const + */ + string_t value(const typename object_t::key_type& key, const char* default_value) const + { + return value(key, string_t(default_value)); + } + + /*! + @brief access specified object element via JSON Pointer with default value + + Returns either a copy of an object's element at the specified key @a key + or a given default value if no element with key @a key exists. + + The function is basically equivalent to executing + @code {.cpp} + try { + return at(ptr); + } catch(out_of_range) { + return default_value; + } + @endcode + + @note Unlike @ref at(const json_pointer&), this function does not throw + if the given key @a key was not found. + + @param[in] ptr a JSON pointer to the element to access + @param[in] default_value the value to return if @a ptr found no value + + @tparam ValueType type compatible to JSON values, for instance `int` for + JSON integer numbers, `bool` for JSON booleans, or `std::vector` types for + JSON arrays. Note the type of the expected value at @a key and the default + value @a default_value must be compatible. + + @return copy of the element at key @a key or @a default_value if @a key + is not found + + @throw type_error.302 if @a default_value does not match the type of the + value at @a ptr + @throw type_error.306 if the JSON value is not an object; in that case, + using `value()` with a key makes no sense. + + @complexity Logarithmic in the size of the container. + + @liveexample{The example below shows how object elements can be queried + with a default value.,basic_json__value_ptr} + + @sa @ref operator[](const json_pointer&) for unchecked access by reference + + @since version 2.0.2 + */ + template::value, int>::type = 0> + ValueType value(const json_pointer& ptr, const ValueType& default_value) const + { + // at only works for objects + if (JSON_HEDLEY_LIKELY(is_object())) + { + // if pointer resolves a value, return it or use default value + JSON_TRY + { + return ptr.get_checked(this).template get(); + } + JSON_INTERNAL_CATCH (out_of_range&) + { + return default_value; + } + } + + JSON_THROW(type_error::create(306, "cannot use value() with " + std::string(type_name()))); + } + + /*! + @brief overload for a default value of type const char* + @copydoc basic_json::value(const json_pointer&, ValueType) const + */ + JSON_HEDLEY_NON_NULL(3) + string_t value(const json_pointer& ptr, const char* default_value) const + { + return value(ptr, string_t(default_value)); + } + + /*! + @brief access the first element + + Returns a reference to the first element in the container. For a JSON + container `c`, the expression `c.front()` is equivalent to `*c.begin()`. + + @return In case of a structured type (array or object), a reference to the + first element is returned. In case of number, string, boolean, or binary + values, a reference to the value is returned. + + @complexity Constant. + + @pre The JSON value must not be `null` (would throw `std::out_of_range`) + or an empty array or object (undefined behavior, **guarded by + assertions**). + @post The JSON value remains unchanged. + + @throw invalid_iterator.214 when called on `null` value + + @liveexample{The following code shows an example for `front()`.,front} + + @sa @ref back() -- access the last element + + @since version 1.0.0 + */ + reference front() + { + return *begin(); + } + + /*! + @copydoc basic_json::front() + */ + const_reference front() const + { + return *cbegin(); + } + + /*! + @brief access the last element + + Returns a reference to the last element in the container. For a JSON + container `c`, the expression `c.back()` is equivalent to + @code {.cpp} + auto tmp = c.end(); + --tmp; + return *tmp; + @endcode + + @return In case of a structured type (array or object), a reference to the + last element is returned. In case of number, string, boolean, or binary + values, a reference to the value is returned. + + @complexity Constant. + + @pre The JSON value must not be `null` (would throw `std::out_of_range`) + or an empty array or object (undefined behavior, **guarded by + assertions**). + @post The JSON value remains unchanged. + + @throw invalid_iterator.214 when called on a `null` value. See example + below. + + @liveexample{The following code shows an example for `back()`.,back} + + @sa @ref front() -- access the first element + + @since version 1.0.0 + */ + reference back() + { + auto tmp = end(); + --tmp; + return *tmp; + } + + /*! + @copydoc basic_json::back() + */ + const_reference back() const + { + auto tmp = cend(); + --tmp; + return *tmp; + } + + /*! + @brief remove element given an iterator + + Removes the element specified by iterator @a pos. The iterator @a pos must + be valid and dereferenceable. Thus the `end()` iterator (which is valid, + but is not dereferenceable) cannot be used as a value for @a pos. + + If called on a primitive type other than `null`, the resulting JSON value + will be `null`. + + @param[in] pos iterator to the element to remove + @return Iterator following the last removed element. If the iterator @a + pos refers to the last element, the `end()` iterator is returned. + + @tparam IteratorType an @ref iterator or @ref const_iterator + + @post Invalidates iterators and references at or after the point of the + erase, including the `end()` iterator. + + @throw type_error.307 if called on a `null` value; example: `"cannot use + erase() with null"` + @throw invalid_iterator.202 if called on an iterator which does not belong + to the current JSON value; example: `"iterator does not fit current + value"` + @throw invalid_iterator.205 if called on a primitive type with invalid + iterator (i.e., any iterator which is not `begin()`); example: `"iterator + out of range"` + + @complexity The complexity depends on the type: + - objects: amortized constant + - arrays: linear in distance between @a pos and the end of the container + - strings and binary: linear in the length of the member + - other types: constant + + @liveexample{The example shows the result of `erase()` for different JSON + types.,erase__IteratorType} + + @sa @ref erase(IteratorType, IteratorType) -- removes the elements in + the given range + @sa @ref erase(const typename object_t::key_type&) -- removes the element + from an object at the given key + @sa @ref erase(const size_type) -- removes the element from an array at + the given index + + @since version 1.0.0 + */ + template < class IteratorType, typename std::enable_if < + std::is_same::value || + std::is_same::value, int >::type + = 0 > + IteratorType erase(IteratorType pos) + { + // make sure iterator fits the current value + if (JSON_HEDLEY_UNLIKELY(this != pos.m_object)) + { + JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); + } + + IteratorType result = end(); + + switch (m_type) + { + case value_t::boolean: + case value_t::number_float: + case value_t::number_integer: + case value_t::number_unsigned: + case value_t::string: + case value_t::binary: + { + if (JSON_HEDLEY_UNLIKELY(!pos.m_it.primitive_iterator.is_begin())) + { + JSON_THROW(invalid_iterator::create(205, "iterator out of range")); + } + + if (is_string()) + { + AllocatorType alloc; + std::allocator_traits::destroy(alloc, m_value.string); + std::allocator_traits::deallocate(alloc, m_value.string, 1); + m_value.string = nullptr; + } + else if (is_binary()) + { + AllocatorType alloc; + std::allocator_traits::destroy(alloc, m_value.binary); + std::allocator_traits::deallocate(alloc, m_value.binary, 1); + m_value.binary = nullptr; + } + + m_type = value_t::null; + assert_invariant(); + break; + } + + case value_t::object: + { + result.m_it.object_iterator = m_value.object->erase(pos.m_it.object_iterator); + break; + } + + case value_t::array: + { + result.m_it.array_iterator = m_value.array->erase(pos.m_it.array_iterator); + break; + } + + default: + JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); + } + + return result; + } + + /*! + @brief remove elements given an iterator range + + Removes the element specified by the range `[first; last)`. The iterator + @a first does not need to be dereferenceable if `first == last`: erasing + an empty range is a no-op. + + If called on a primitive type other than `null`, the resulting JSON value + will be `null`. + + @param[in] first iterator to the beginning of the range to remove + @param[in] last iterator past the end of the range to remove + @return Iterator following the last removed element. If the iterator @a + second refers to the last element, the `end()` iterator is returned. + + @tparam IteratorType an @ref iterator or @ref const_iterator + + @post Invalidates iterators and references at or after the point of the + erase, including the `end()` iterator. + + @throw type_error.307 if called on a `null` value; example: `"cannot use + erase() with null"` + @throw invalid_iterator.203 if called on iterators which does not belong + to the current JSON value; example: `"iterators do not fit current value"` + @throw invalid_iterator.204 if called on a primitive type with invalid + iterators (i.e., if `first != begin()` and `last != end()`); example: + `"iterators out of range"` + + @complexity The complexity depends on the type: + - objects: `log(size()) + std::distance(first, last)` + - arrays: linear in the distance between @a first and @a last, plus linear + in the distance between @a last and end of the container + - strings and binary: linear in the length of the member + - other types: constant + + @liveexample{The example shows the result of `erase()` for different JSON + types.,erase__IteratorType_IteratorType} + + @sa @ref erase(IteratorType) -- removes the element at a given position + @sa @ref erase(const typename object_t::key_type&) -- removes the element + from an object at the given key + @sa @ref erase(const size_type) -- removes the element from an array at + the given index + + @since version 1.0.0 + */ + template < class IteratorType, typename std::enable_if < + std::is_same::value || + std::is_same::value, int >::type + = 0 > + IteratorType erase(IteratorType first, IteratorType last) + { + // make sure iterator fits the current value + if (JSON_HEDLEY_UNLIKELY(this != first.m_object || this != last.m_object)) + { + JSON_THROW(invalid_iterator::create(203, "iterators do not fit current value")); + } + + IteratorType result = end(); + + switch (m_type) + { + case value_t::boolean: + case value_t::number_float: + case value_t::number_integer: + case value_t::number_unsigned: + case value_t::string: + case value_t::binary: + { + if (JSON_HEDLEY_LIKELY(!first.m_it.primitive_iterator.is_begin() + || !last.m_it.primitive_iterator.is_end())) + { + JSON_THROW(invalid_iterator::create(204, "iterators out of range")); + } + + if (is_string()) + { + AllocatorType alloc; + std::allocator_traits::destroy(alloc, m_value.string); + std::allocator_traits::deallocate(alloc, m_value.string, 1); + m_value.string = nullptr; + } + else if (is_binary()) + { + AllocatorType alloc; + std::allocator_traits::destroy(alloc, m_value.binary); + std::allocator_traits::deallocate(alloc, m_value.binary, 1); + m_value.binary = nullptr; + } + + m_type = value_t::null; + assert_invariant(); + break; + } + + case value_t::object: + { + result.m_it.object_iterator = m_value.object->erase(first.m_it.object_iterator, + last.m_it.object_iterator); + break; + } + + case value_t::array: + { + result.m_it.array_iterator = m_value.array->erase(first.m_it.array_iterator, + last.m_it.array_iterator); + break; + } + + default: + JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); + } + + return result; + } + + /*! + @brief remove element from a JSON object given a key + + Removes elements from a JSON object with the key value @a key. + + @param[in] key value of the elements to remove + + @return Number of elements removed. If @a ObjectType is the default + `std::map` type, the return value will always be `0` (@a key was not + found) or `1` (@a key was found). + + @post References and iterators to the erased elements are invalidated. + Other references and iterators are not affected. + + @throw type_error.307 when called on a type other than JSON object; + example: `"cannot use erase() with null"` + + @complexity `log(size()) + count(key)` + + @liveexample{The example shows the effect of `erase()`.,erase__key_type} + + @sa @ref erase(IteratorType) -- removes the element at a given position + @sa @ref erase(IteratorType, IteratorType) -- removes the elements in + the given range + @sa @ref erase(const size_type) -- removes the element from an array at + the given index + + @since version 1.0.0 + */ + size_type erase(const typename object_t::key_type& key) + { + // this erase only works for objects + if (JSON_HEDLEY_LIKELY(is_object())) + { + return m_value.object->erase(key); + } + + JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); + } + + /*! + @brief remove element from a JSON array given an index + + Removes element from a JSON array at the index @a idx. + + @param[in] idx index of the element to remove + + @throw type_error.307 when called on a type other than JSON object; + example: `"cannot use erase() with null"` + @throw out_of_range.401 when `idx >= size()`; example: `"array index 17 + is out of range"` + + @complexity Linear in distance between @a idx and the end of the container. + + @liveexample{The example shows the effect of `erase()`.,erase__size_type} + + @sa @ref erase(IteratorType) -- removes the element at a given position + @sa @ref erase(IteratorType, IteratorType) -- removes the elements in + the given range + @sa @ref erase(const typename object_t::key_type&) -- removes the element + from an object at the given key + + @since version 1.0.0 + */ + void erase(const size_type idx) + { + // this erase only works for arrays + if (JSON_HEDLEY_LIKELY(is_array())) + { + if (JSON_HEDLEY_UNLIKELY(idx >= size())) + { + JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); + } + + m_value.array->erase(m_value.array->begin() + static_cast(idx)); + } + else + { + JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); + } + } + + /// @} + + + //////////// + // lookup // + //////////// + + /// @name lookup + /// @{ + + /*! + @brief find an element in a JSON object + + Finds an element in a JSON object with key equivalent to @a key. If the + element is not found or the JSON value is not an object, end() is + returned. + + @note This method always returns @ref end() when executed on a JSON type + that is not an object. + + @param[in] key key value of the element to search for. + + @return Iterator to an element with key equivalent to @a key. If no such + element is found or the JSON value is not an object, past-the-end (see + @ref end()) iterator is returned. + + @complexity Logarithmic in the size of the JSON object. + + @liveexample{The example shows how `find()` is used.,find__key_type} + + @sa @ref contains(KeyT&&) const -- checks whether a key exists + + @since version 1.0.0 + */ + template + iterator find(KeyT&& key) + { + auto result = end(); + + if (is_object()) + { + result.m_it.object_iterator = m_value.object->find(std::forward(key)); + } + + return result; + } + + /*! + @brief find an element in a JSON object + @copydoc find(KeyT&&) + */ + template + const_iterator find(KeyT&& key) const + { + auto result = cend(); + + if (is_object()) + { + result.m_it.object_iterator = m_value.object->find(std::forward(key)); + } + + return result; + } + + /*! + @brief returns the number of occurrences of a key in a JSON object + + Returns the number of elements with key @a key. If ObjectType is the + default `std::map` type, the return value will always be `0` (@a key was + not found) or `1` (@a key was found). + + @note This method always returns `0` when executed on a JSON type that is + not an object. + + @param[in] key key value of the element to count + + @return Number of elements with key @a key. If the JSON value is not an + object, the return value will be `0`. + + @complexity Logarithmic in the size of the JSON object. + + @liveexample{The example shows how `count()` is used.,count} + + @since version 1.0.0 + */ + template + size_type count(KeyT&& key) const + { + // return 0 for all nonobject types + return is_object() ? m_value.object->count(std::forward(key)) : 0; + } + + /*! + @brief check the existence of an element in a JSON object + + Check whether an element exists in a JSON object with key equivalent to + @a key. If the element is not found or the JSON value is not an object, + false is returned. + + @note This method always returns false when executed on a JSON type + that is not an object. + + @param[in] key key value to check its existence. + + @return true if an element with specified @a key exists. If no such + element with such key is found or the JSON value is not an object, + false is returned. + + @complexity Logarithmic in the size of the JSON object. + + @liveexample{The following code shows an example for `contains()`.,contains} + + @sa @ref find(KeyT&&) -- returns an iterator to an object element + @sa @ref contains(const json_pointer&) const -- checks the existence for a JSON pointer + + @since version 3.6.0 + */ + template < typename KeyT, typename std::enable_if < + !std::is_same::type, json_pointer>::value, int >::type = 0 > + bool contains(KeyT && key) const + { + return is_object() && m_value.object->find(std::forward(key)) != m_value.object->end(); + } + + /*! + @brief check the existence of an element in a JSON object given a JSON pointer + + Check whether the given JSON pointer @a ptr can be resolved in the current + JSON value. + + @note This method can be executed on any JSON value type. + + @param[in] ptr JSON pointer to check its existence. + + @return true if the JSON pointer can be resolved to a stored value, false + otherwise. + + @post If `j.contains(ptr)` returns true, it is safe to call `j[ptr]`. + + @throw parse_error.106 if an array index begins with '0' + @throw parse_error.109 if an array index was not a number + + @complexity Logarithmic in the size of the JSON object. + + @liveexample{The following code shows an example for `contains()`.,contains_json_pointer} + + @sa @ref contains(KeyT &&) const -- checks the existence of a key + + @since version 3.7.0 + */ + bool contains(const json_pointer& ptr) const + { + return ptr.contains(this); + } + + /// @} + + + /////////////// + // iterators // + /////////////// + + /// @name iterators + /// @{ + + /*! + @brief returns an iterator to the first element + + Returns an iterator to the first element. + + @image html range-begin-end.svg "Illustration from cppreference.com" + + @return iterator to the first element + + @complexity Constant. + + @requirement This function helps `basic_json` satisfying the + [Container](https://en.cppreference.com/w/cpp/named_req/Container) + requirements: + - The complexity is constant. + + @liveexample{The following code shows an example for `begin()`.,begin} + + @sa @ref cbegin() -- returns a const iterator to the beginning + @sa @ref end() -- returns an iterator to the end + @sa @ref cend() -- returns a const iterator to the end + + @since version 1.0.0 + */ + iterator begin() noexcept + { + iterator result(this); + result.set_begin(); + return result; + } + + /*! + @copydoc basic_json::cbegin() + */ + const_iterator begin() const noexcept + { + return cbegin(); + } + + /*! + @brief returns a const iterator to the first element + + Returns a const iterator to the first element. + + @image html range-begin-end.svg "Illustration from cppreference.com" + + @return const iterator to the first element + + @complexity Constant. + + @requirement This function helps `basic_json` satisfying the + [Container](https://en.cppreference.com/w/cpp/named_req/Container) + requirements: + - The complexity is constant. + - Has the semantics of `const_cast(*this).begin()`. + + @liveexample{The following code shows an example for `cbegin()`.,cbegin} + + @sa @ref begin() -- returns an iterator to the beginning + @sa @ref end() -- returns an iterator to the end + @sa @ref cend() -- returns a const iterator to the end + + @since version 1.0.0 + */ + const_iterator cbegin() const noexcept + { + const_iterator result(this); + result.set_begin(); + return result; + } + + /*! + @brief returns an iterator to one past the last element + + Returns an iterator to one past the last element. + + @image html range-begin-end.svg "Illustration from cppreference.com" + + @return iterator one past the last element + + @complexity Constant. + + @requirement This function helps `basic_json` satisfying the + [Container](https://en.cppreference.com/w/cpp/named_req/Container) + requirements: + - The complexity is constant. + + @liveexample{The following code shows an example for `end()`.,end} + + @sa @ref cend() -- returns a const iterator to the end + @sa @ref begin() -- returns an iterator to the beginning + @sa @ref cbegin() -- returns a const iterator to the beginning + + @since version 1.0.0 + */ + iterator end() noexcept + { + iterator result(this); + result.set_end(); + return result; + } + + /*! + @copydoc basic_json::cend() + */ + const_iterator end() const noexcept + { + return cend(); + } + + /*! + @brief returns a const iterator to one past the last element + + Returns a const iterator to one past the last element. + + @image html range-begin-end.svg "Illustration from cppreference.com" + + @return const iterator one past the last element + + @complexity Constant. + + @requirement This function helps `basic_json` satisfying the + [Container](https://en.cppreference.com/w/cpp/named_req/Container) + requirements: + - The complexity is constant. + - Has the semantics of `const_cast(*this).end()`. + + @liveexample{The following code shows an example for `cend()`.,cend} + + @sa @ref end() -- returns an iterator to the end + @sa @ref begin() -- returns an iterator to the beginning + @sa @ref cbegin() -- returns a const iterator to the beginning + + @since version 1.0.0 + */ + const_iterator cend() const noexcept + { + const_iterator result(this); + result.set_end(); + return result; + } + + /*! + @brief returns an iterator to the reverse-beginning + + Returns an iterator to the reverse-beginning; that is, the last element. + + @image html range-rbegin-rend.svg "Illustration from cppreference.com" + + @complexity Constant. + + @requirement This function helps `basic_json` satisfying the + [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) + requirements: + - The complexity is constant. + - Has the semantics of `reverse_iterator(end())`. + + @liveexample{The following code shows an example for `rbegin()`.,rbegin} + + @sa @ref crbegin() -- returns a const reverse iterator to the beginning + @sa @ref rend() -- returns a reverse iterator to the end + @sa @ref crend() -- returns a const reverse iterator to the end + + @since version 1.0.0 + */ + reverse_iterator rbegin() noexcept + { + return reverse_iterator(end()); + } + + /*! + @copydoc basic_json::crbegin() + */ + const_reverse_iterator rbegin() const noexcept + { + return crbegin(); + } + + /*! + @brief returns an iterator to the reverse-end + + Returns an iterator to the reverse-end; that is, one before the first + element. + + @image html range-rbegin-rend.svg "Illustration from cppreference.com" + + @complexity Constant. + + @requirement This function helps `basic_json` satisfying the + [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) + requirements: + - The complexity is constant. + - Has the semantics of `reverse_iterator(begin())`. + + @liveexample{The following code shows an example for `rend()`.,rend} + + @sa @ref crend() -- returns a const reverse iterator to the end + @sa @ref rbegin() -- returns a reverse iterator to the beginning + @sa @ref crbegin() -- returns a const reverse iterator to the beginning + + @since version 1.0.0 + */ + reverse_iterator rend() noexcept + { + return reverse_iterator(begin()); + } + + /*! + @copydoc basic_json::crend() + */ + const_reverse_iterator rend() const noexcept + { + return crend(); + } + + /*! + @brief returns a const reverse iterator to the last element + + Returns a const iterator to the reverse-beginning; that is, the last + element. + + @image html range-rbegin-rend.svg "Illustration from cppreference.com" + + @complexity Constant. + + @requirement This function helps `basic_json` satisfying the + [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) + requirements: + - The complexity is constant. + - Has the semantics of `const_cast(*this).rbegin()`. + + @liveexample{The following code shows an example for `crbegin()`.,crbegin} + + @sa @ref rbegin() -- returns a reverse iterator to the beginning + @sa @ref rend() -- returns a reverse iterator to the end + @sa @ref crend() -- returns a const reverse iterator to the end + + @since version 1.0.0 + */ + const_reverse_iterator crbegin() const noexcept + { + return const_reverse_iterator(cend()); + } + + /*! + @brief returns a const reverse iterator to one before the first + + Returns a const reverse iterator to the reverse-end; that is, one before + the first element. + + @image html range-rbegin-rend.svg "Illustration from cppreference.com" + + @complexity Constant. + + @requirement This function helps `basic_json` satisfying the + [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) + requirements: + - The complexity is constant. + - Has the semantics of `const_cast(*this).rend()`. + + @liveexample{The following code shows an example for `crend()`.,crend} + + @sa @ref rend() -- returns a reverse iterator to the end + @sa @ref rbegin() -- returns a reverse iterator to the beginning + @sa @ref crbegin() -- returns a const reverse iterator to the beginning + + @since version 1.0.0 + */ + const_reverse_iterator crend() const noexcept + { + return const_reverse_iterator(cbegin()); + } + + public: + /*! + @brief wrapper to access iterator member functions in range-based for + + This function allows to access @ref iterator::key() and @ref + iterator::value() during range-based for loops. In these loops, a + reference to the JSON values is returned, so there is no access to the + underlying iterator. + + For loop without iterator_wrapper: + + @code{cpp} + for (auto it = j_object.begin(); it != j_object.end(); ++it) + { + std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; + } + @endcode + + Range-based for loop without iterator proxy: + + @code{cpp} + for (auto it : j_object) + { + // "it" is of type json::reference and has no key() member + std::cout << "value: " << it << '\n'; + } + @endcode + + Range-based for loop with iterator proxy: + + @code{cpp} + for (auto it : json::iterator_wrapper(j_object)) + { + std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; + } + @endcode + + @note When iterating over an array, `key()` will return the index of the + element as string (see example). + + @param[in] ref reference to a JSON value + @return iteration proxy object wrapping @a ref with an interface to use in + range-based for loops + + @liveexample{The following code shows how the wrapper is used,iterator_wrapper} + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes in the JSON value. + + @complexity Constant. + + @note The name of this function is not yet final and may change in the + future. + + @deprecated This stream operator is deprecated and will be removed in + future 4.0.0 of the library. Please use @ref items() instead; + that is, replace `json::iterator_wrapper(j)` with `j.items()`. + */ + JSON_HEDLEY_DEPRECATED_FOR(3.1.0, items()) + static iteration_proxy iterator_wrapper(reference ref) noexcept + { + return ref.items(); + } + + /*! + @copydoc iterator_wrapper(reference) + */ + JSON_HEDLEY_DEPRECATED_FOR(3.1.0, items()) + static iteration_proxy iterator_wrapper(const_reference ref) noexcept + { + return ref.items(); + } + + /*! + @brief helper to access iterator member functions in range-based for + + This function allows to access @ref iterator::key() and @ref + iterator::value() during range-based for loops. In these loops, a + reference to the JSON values is returned, so there is no access to the + underlying iterator. + + For loop without `items()` function: + + @code{cpp} + for (auto it = j_object.begin(); it != j_object.end(); ++it) + { + std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; + } + @endcode + + Range-based for loop without `items()` function: + + @code{cpp} + for (auto it : j_object) + { + // "it" is of type json::reference and has no key() member + std::cout << "value: " << it << '\n'; + } + @endcode + + Range-based for loop with `items()` function: + + @code{cpp} + for (auto& el : j_object.items()) + { + std::cout << "key: " << el.key() << ", value:" << el.value() << '\n'; + } + @endcode + + The `items()` function also allows to use + [structured bindings](https://en.cppreference.com/w/cpp/language/structured_binding) + (C++17): + + @code{cpp} + for (auto& [key, val] : j_object.items()) + { + std::cout << "key: " << key << ", value:" << val << '\n'; + } + @endcode + + @note When iterating over an array, `key()` will return the index of the + element as string (see example). For primitive types (e.g., numbers), + `key()` returns an empty string. + + @warning Using `items()` on temporary objects is dangerous. Make sure the + object's lifetime exeeds the iteration. See + for more + information. + + @return iteration proxy object wrapping @a ref with an interface to use in + range-based for loops + + @liveexample{The following code shows how the function is used.,items} + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes in the JSON value. + + @complexity Constant. + + @since version 3.1.0, structured bindings support since 3.5.0. + */ + iteration_proxy items() noexcept + { + return iteration_proxy(*this); + } + + /*! + @copydoc items() + */ + iteration_proxy items() const noexcept + { + return iteration_proxy(*this); + } + + /// @} + + + ////////////// + // capacity // + ////////////// + + /// @name capacity + /// @{ + + /*! + @brief checks whether the container is empty. + + Checks if a JSON value has no elements (i.e. whether its @ref size is `0`). + + @return The return value depends on the different types and is + defined as follows: + Value type | return value + ----------- | ------------- + null | `true` + boolean | `false` + string | `false` + number | `false` + binary | `false` + object | result of function `object_t::empty()` + array | result of function `array_t::empty()` + + @liveexample{The following code uses `empty()` to check if a JSON + object contains any elements.,empty} + + @complexity Constant, as long as @ref array_t and @ref object_t satisfy + the Container concept; that is, their `empty()` functions have constant + complexity. + + @iterators No changes. + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @note This function does not return whether a string stored as JSON value + is empty - it returns whether the JSON container itself is empty which is + false in the case of a string. + + @requirement This function helps `basic_json` satisfying the + [Container](https://en.cppreference.com/w/cpp/named_req/Container) + requirements: + - The complexity is constant. + - Has the semantics of `begin() == end()`. + + @sa @ref size() -- returns the number of elements + + @since version 1.0.0 + */ + bool empty() const noexcept + { + switch (m_type) + { + case value_t::null: + { + // null values are empty + return true; + } + + case value_t::array: + { + // delegate call to array_t::empty() + return m_value.array->empty(); + } + + case value_t::object: + { + // delegate call to object_t::empty() + return m_value.object->empty(); + } + + default: + { + // all other types are nonempty + return false; + } + } + } + + /*! + @brief returns the number of elements + + Returns the number of elements in a JSON value. + + @return The return value depends on the different types and is + defined as follows: + Value type | return value + ----------- | ------------- + null | `0` + boolean | `1` + string | `1` + number | `1` + binary | `1` + object | result of function object_t::size() + array | result of function array_t::size() + + @liveexample{The following code calls `size()` on the different value + types.,size} + + @complexity Constant, as long as @ref array_t and @ref object_t satisfy + the Container concept; that is, their size() functions have constant + complexity. + + @iterators No changes. + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @note This function does not return the length of a string stored as JSON + value - it returns the number of elements in the JSON value which is 1 in + the case of a string. + + @requirement This function helps `basic_json` satisfying the + [Container](https://en.cppreference.com/w/cpp/named_req/Container) + requirements: + - The complexity is constant. + - Has the semantics of `std::distance(begin(), end())`. + + @sa @ref empty() -- checks whether the container is empty + @sa @ref max_size() -- returns the maximal number of elements + + @since version 1.0.0 + */ + size_type size() const noexcept + { + switch (m_type) + { + case value_t::null: + { + // null values are empty + return 0; + } + + case value_t::array: + { + // delegate call to array_t::size() + return m_value.array->size(); + } + + case value_t::object: + { + // delegate call to object_t::size() + return m_value.object->size(); + } + + default: + { + // all other types have size 1 + return 1; + } + } + } + + /*! + @brief returns the maximum possible number of elements + + Returns the maximum number of elements a JSON value is able to hold due to + system or library implementation limitations, i.e. `std::distance(begin(), + end())` for the JSON value. + + @return The return value depends on the different types and is + defined as follows: + Value type | return value + ----------- | ------------- + null | `0` (same as `size()`) + boolean | `1` (same as `size()`) + string | `1` (same as `size()`) + number | `1` (same as `size()`) + binary | `1` (same as `size()`) + object | result of function `object_t::max_size()` + array | result of function `array_t::max_size()` + + @liveexample{The following code calls `max_size()` on the different value + types. Note the output is implementation specific.,max_size} + + @complexity Constant, as long as @ref array_t and @ref object_t satisfy + the Container concept; that is, their `max_size()` functions have constant + complexity. + + @iterators No changes. + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @requirement This function helps `basic_json` satisfying the + [Container](https://en.cppreference.com/w/cpp/named_req/Container) + requirements: + - The complexity is constant. + - Has the semantics of returning `b.size()` where `b` is the largest + possible JSON value. + + @sa @ref size() -- returns the number of elements + + @since version 1.0.0 + */ + size_type max_size() const noexcept + { + switch (m_type) + { + case value_t::array: + { + // delegate call to array_t::max_size() + return m_value.array->max_size(); + } + + case value_t::object: + { + // delegate call to object_t::max_size() + return m_value.object->max_size(); + } + + default: + { + // all other types have max_size() == size() + return size(); + } + } + } + + /// @} + + + /////////////// + // modifiers // + /////////////// + + /// @name modifiers + /// @{ + + /*! + @brief clears the contents + + Clears the content of a JSON value and resets it to the default value as + if @ref basic_json(value_t) would have been called with the current value + type from @ref type(): + + Value type | initial value + ----------- | ------------- + null | `null` + boolean | `false` + string | `""` + number | `0` + binary | An empty byte vector + object | `{}` + array | `[]` + + @post Has the same effect as calling + @code {.cpp} + *this = basic_json(type()); + @endcode + + @liveexample{The example below shows the effect of `clear()` to different + JSON types.,clear} + + @complexity Linear in the size of the JSON value. + + @iterators All iterators, pointers and references related to this container + are invalidated. + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @sa @ref basic_json(value_t) -- constructor that creates an object with the + same value than calling `clear()` + + @since version 1.0.0 + */ + void clear() noexcept + { + switch (m_type) + { + case value_t::number_integer: + { + m_value.number_integer = 0; + break; + } + + case value_t::number_unsigned: + { + m_value.number_unsigned = 0; + break; + } + + case value_t::number_float: + { + m_value.number_float = 0.0; + break; + } + + case value_t::boolean: + { + m_value.boolean = false; + break; + } + + case value_t::string: + { + m_value.string->clear(); + break; + } + + case value_t::binary: + { + m_value.binary->clear(); + break; + } + + case value_t::array: + { + m_value.array->clear(); + break; + } + + case value_t::object: + { + m_value.object->clear(); + break; + } + + default: + break; + } + } + + /*! + @brief add an object to an array + + Appends the given element @a val to the end of the JSON value. If the + function is called on a JSON null value, an empty array is created before + appending @a val. + + @param[in] val the value to add to the JSON array + + @throw type_error.308 when called on a type other than JSON array or + null; example: `"cannot use push_back() with number"` + + @complexity Amortized constant. + + @liveexample{The example shows how `push_back()` and `+=` can be used to + add elements to a JSON array. Note how the `null` value was silently + converted to a JSON array.,push_back} + + @since version 1.0.0 + */ + void push_back(basic_json&& val) + { + // push_back only works for null objects or arrays + if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) + { + JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); + } + + // transform null object into an array + if (is_null()) + { + m_type = value_t::array; + m_value = value_t::array; + assert_invariant(); + } + + // add element to array (move semantics) + m_value.array->push_back(std::move(val)); + // if val is moved from, basic_json move constructor marks it null so we do not call the destructor + } + + /*! + @brief add an object to an array + @copydoc push_back(basic_json&&) + */ + reference operator+=(basic_json&& val) + { + push_back(std::move(val)); + return *this; + } + + /*! + @brief add an object to an array + @copydoc push_back(basic_json&&) + */ + void push_back(const basic_json& val) + { + // push_back only works for null objects or arrays + if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) + { + JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); + } + + // transform null object into an array + if (is_null()) + { + m_type = value_t::array; + m_value = value_t::array; + assert_invariant(); + } + + // add element to array + m_value.array->push_back(val); + } + + /*! + @brief add an object to an array + @copydoc push_back(basic_json&&) + */ + reference operator+=(const basic_json& val) + { + push_back(val); + return *this; + } + + /*! + @brief add an object to an object + + Inserts the given element @a val to the JSON object. If the function is + called on a JSON null value, an empty object is created before inserting + @a val. + + @param[in] val the value to add to the JSON object + + @throw type_error.308 when called on a type other than JSON object or + null; example: `"cannot use push_back() with number"` + + @complexity Logarithmic in the size of the container, O(log(`size()`)). + + @liveexample{The example shows how `push_back()` and `+=` can be used to + add elements to a JSON object. Note how the `null` value was silently + converted to a JSON object.,push_back__object_t__value} + + @since version 1.0.0 + */ + void push_back(const typename object_t::value_type& val) + { + // push_back only works for null objects or objects + if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_object()))) + { + JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); + } + + // transform null object into an object + if (is_null()) + { + m_type = value_t::object; + m_value = value_t::object; + assert_invariant(); + } + + // add element to array + m_value.object->insert(val); + } + + /*! + @brief add an object to an object + @copydoc push_back(const typename object_t::value_type&) + */ + reference operator+=(const typename object_t::value_type& val) + { + push_back(val); + return *this; + } + + /*! + @brief add an object to an object + + This function allows to use `push_back` with an initializer list. In case + + 1. the current value is an object, + 2. the initializer list @a init contains only two elements, and + 3. the first element of @a init is a string, + + @a init is converted into an object element and added using + @ref push_back(const typename object_t::value_type&). Otherwise, @a init + is converted to a JSON value and added using @ref push_back(basic_json&&). + + @param[in] init an initializer list + + @complexity Linear in the size of the initializer list @a init. + + @note This function is required to resolve an ambiguous overload error, + because pairs like `{"key", "value"}` can be both interpreted as + `object_t::value_type` or `std::initializer_list`, see + https://github.com/nlohmann/json/issues/235 for more information. + + @liveexample{The example shows how initializer lists are treated as + objects when possible.,push_back__initializer_list} + */ + void push_back(initializer_list_t init) + { + if (is_object() && init.size() == 2 && (*init.begin())->is_string()) + { + basic_json&& key = init.begin()->moved_or_copied(); + push_back(typename object_t::value_type( + std::move(key.get_ref()), (init.begin() + 1)->moved_or_copied())); + } + else + { + push_back(basic_json(init)); + } + } + + /*! + @brief add an object to an object + @copydoc push_back(initializer_list_t) + */ + reference operator+=(initializer_list_t init) + { + push_back(init); + return *this; + } + + /*! + @brief add an object to an array + + Creates a JSON value from the passed parameters @a args to the end of the + JSON value. If the function is called on a JSON null value, an empty array + is created before appending the value created from @a args. + + @param[in] args arguments to forward to a constructor of @ref basic_json + @tparam Args compatible types to create a @ref basic_json object + + @return reference to the inserted element + + @throw type_error.311 when called on a type other than JSON array or + null; example: `"cannot use emplace_back() with number"` + + @complexity Amortized constant. + + @liveexample{The example shows how `push_back()` can be used to add + elements to a JSON array. Note how the `null` value was silently converted + to a JSON array.,emplace_back} + + @since version 2.0.8, returns reference since 3.7.0 + */ + template + reference emplace_back(Args&& ... args) + { + // emplace_back only works for null objects or arrays + if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) + { + JSON_THROW(type_error::create(311, "cannot use emplace_back() with " + std::string(type_name()))); + } + + // transform null object into an array + if (is_null()) + { + m_type = value_t::array; + m_value = value_t::array; + assert_invariant(); + } + + // add element to array (perfect forwarding) +#ifdef JSON_HAS_CPP_17 + return m_value.array->emplace_back(std::forward(args)...); +#else + m_value.array->emplace_back(std::forward(args)...); + return m_value.array->back(); +#endif + } + + /*! + @brief add an object to an object if key does not exist + + Inserts a new element into a JSON object constructed in-place with the + given @a args if there is no element with the key in the container. If the + function is called on a JSON null value, an empty object is created before + appending the value created from @a args. + + @param[in] args arguments to forward to a constructor of @ref basic_json + @tparam Args compatible types to create a @ref basic_json object + + @return a pair consisting of an iterator to the inserted element, or the + already-existing element if no insertion happened, and a bool + denoting whether the insertion took place. + + @throw type_error.311 when called on a type other than JSON object or + null; example: `"cannot use emplace() with number"` + + @complexity Logarithmic in the size of the container, O(log(`size()`)). + + @liveexample{The example shows how `emplace()` can be used to add elements + to a JSON object. Note how the `null` value was silently converted to a + JSON object. Further note how no value is added if there was already one + value stored with the same key.,emplace} + + @since version 2.0.8 + */ + template + std::pair emplace(Args&& ... args) + { + // emplace only works for null objects or arrays + if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_object()))) + { + JSON_THROW(type_error::create(311, "cannot use emplace() with " + std::string(type_name()))); + } + + // transform null object into an object + if (is_null()) + { + m_type = value_t::object; + m_value = value_t::object; + assert_invariant(); + } + + // add element to array (perfect forwarding) + auto res = m_value.object->emplace(std::forward(args)...); + // create result iterator and set iterator to the result of emplace + auto it = begin(); + it.m_it.object_iterator = res.first; + + // return pair of iterator and boolean + return {it, res.second}; + } + + /// Helper for insertion of an iterator + /// @note: This uses std::distance to support GCC 4.8, + /// see https://github.com/nlohmann/json/pull/1257 + template + iterator insert_iterator(const_iterator pos, Args&& ... args) + { + iterator result(this); + JSON_ASSERT(m_value.array != nullptr); + + auto insert_pos = std::distance(m_value.array->begin(), pos.m_it.array_iterator); + m_value.array->insert(pos.m_it.array_iterator, std::forward(args)...); + result.m_it.array_iterator = m_value.array->begin() + insert_pos; + + // This could have been written as: + // result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val); + // but the return value of insert is missing in GCC 4.8, so it is written this way instead. + + return result; + } + + /*! + @brief inserts element + + Inserts element @a val before iterator @a pos. + + @param[in] pos iterator before which the content will be inserted; may be + the end() iterator + @param[in] val element to insert + @return iterator pointing to the inserted @a val. + + @throw type_error.309 if called on JSON values other than arrays; + example: `"cannot use insert() with string"` + @throw invalid_iterator.202 if @a pos is not an iterator of *this; + example: `"iterator does not fit current value"` + + @complexity Constant plus linear in the distance between @a pos and end of + the container. + + @liveexample{The example shows how `insert()` is used.,insert} + + @since version 1.0.0 + */ + iterator insert(const_iterator pos, const basic_json& val) + { + // insert only works for arrays + if (JSON_HEDLEY_LIKELY(is_array())) + { + // check if iterator pos fits to this JSON value + if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) + { + JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); + } + + // insert to array and return iterator + return insert_iterator(pos, val); + } + + JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); + } + + /*! + @brief inserts element + @copydoc insert(const_iterator, const basic_json&) + */ + iterator insert(const_iterator pos, basic_json&& val) + { + return insert(pos, val); + } + + /*! + @brief inserts elements + + Inserts @a cnt copies of @a val before iterator @a pos. + + @param[in] pos iterator before which the content will be inserted; may be + the end() iterator + @param[in] cnt number of copies of @a val to insert + @param[in] val element to insert + @return iterator pointing to the first element inserted, or @a pos if + `cnt==0` + + @throw type_error.309 if called on JSON values other than arrays; example: + `"cannot use insert() with string"` + @throw invalid_iterator.202 if @a pos is not an iterator of *this; + example: `"iterator does not fit current value"` + + @complexity Linear in @a cnt plus linear in the distance between @a pos + and end of the container. + + @liveexample{The example shows how `insert()` is used.,insert__count} + + @since version 1.0.0 + */ + iterator insert(const_iterator pos, size_type cnt, const basic_json& val) + { + // insert only works for arrays + if (JSON_HEDLEY_LIKELY(is_array())) + { + // check if iterator pos fits to this JSON value + if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) + { + JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); + } + + // insert to array and return iterator + return insert_iterator(pos, cnt, val); + } + + JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); + } + + /*! + @brief inserts elements + + Inserts elements from range `[first, last)` before iterator @a pos. + + @param[in] pos iterator before which the content will be inserted; may be + the end() iterator + @param[in] first begin of the range of elements to insert + @param[in] last end of the range of elements to insert + + @throw type_error.309 if called on JSON values other than arrays; example: + `"cannot use insert() with string"` + @throw invalid_iterator.202 if @a pos is not an iterator of *this; + example: `"iterator does not fit current value"` + @throw invalid_iterator.210 if @a first and @a last do not belong to the + same JSON value; example: `"iterators do not fit"` + @throw invalid_iterator.211 if @a first or @a last are iterators into + container for which insert is called; example: `"passed iterators may not + belong to container"` + + @return iterator pointing to the first element inserted, or @a pos if + `first==last` + + @complexity Linear in `std::distance(first, last)` plus linear in the + distance between @a pos and end of the container. + + @liveexample{The example shows how `insert()` is used.,insert__range} + + @since version 1.0.0 + */ + iterator insert(const_iterator pos, const_iterator first, const_iterator last) + { + // insert only works for arrays + if (JSON_HEDLEY_UNLIKELY(!is_array())) + { + JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); + } + + // check if iterator pos fits to this JSON value + if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) + { + JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); + } + + // check if range iterators belong to the same JSON object + if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) + { + JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); + } + + if (JSON_HEDLEY_UNLIKELY(first.m_object == this)) + { + JSON_THROW(invalid_iterator::create(211, "passed iterators may not belong to container")); + } + + // insert to array and return iterator + return insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator); + } + + /*! + @brief inserts elements + + Inserts elements from initializer list @a ilist before iterator @a pos. + + @param[in] pos iterator before which the content will be inserted; may be + the end() iterator + @param[in] ilist initializer list to insert the values from + + @throw type_error.309 if called on JSON values other than arrays; example: + `"cannot use insert() with string"` + @throw invalid_iterator.202 if @a pos is not an iterator of *this; + example: `"iterator does not fit current value"` + + @return iterator pointing to the first element inserted, or @a pos if + `ilist` is empty + + @complexity Linear in `ilist.size()` plus linear in the distance between + @a pos and end of the container. + + @liveexample{The example shows how `insert()` is used.,insert__ilist} + + @since version 1.0.0 + */ + iterator insert(const_iterator pos, initializer_list_t ilist) + { + // insert only works for arrays + if (JSON_HEDLEY_UNLIKELY(!is_array())) + { + JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); + } + + // check if iterator pos fits to this JSON value + if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) + { + JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); + } + + // insert to array and return iterator + return insert_iterator(pos, ilist.begin(), ilist.end()); + } + + /*! + @brief inserts elements + + Inserts elements from range `[first, last)`. + + @param[in] first begin of the range of elements to insert + @param[in] last end of the range of elements to insert + + @throw type_error.309 if called on JSON values other than objects; example: + `"cannot use insert() with string"` + @throw invalid_iterator.202 if iterator @a first or @a last does does not + point to an object; example: `"iterators first and last must point to + objects"` + @throw invalid_iterator.210 if @a first and @a last do not belong to the + same JSON value; example: `"iterators do not fit"` + + @complexity Logarithmic: `O(N*log(size() + N))`, where `N` is the number + of elements to insert. + + @liveexample{The example shows how `insert()` is used.,insert__range_object} + + @since version 3.0.0 + */ + void insert(const_iterator first, const_iterator last) + { + // insert only works for objects + if (JSON_HEDLEY_UNLIKELY(!is_object())) + { + JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); + } + + // check if range iterators belong to the same JSON object + if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) + { + JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); + } + + // passed iterators must belong to objects + if (JSON_HEDLEY_UNLIKELY(!first.m_object->is_object())) + { + JSON_THROW(invalid_iterator::create(202, "iterators first and last must point to objects")); + } + + m_value.object->insert(first.m_it.object_iterator, last.m_it.object_iterator); + } + + /*! + @brief updates a JSON object from another object, overwriting existing keys + + Inserts all values from JSON object @a j and overwrites existing keys. + + @param[in] j JSON object to read values from + + @throw type_error.312 if called on JSON values other than objects; example: + `"cannot use update() with string"` + + @complexity O(N*log(size() + N)), where N is the number of elements to + insert. + + @liveexample{The example shows how `update()` is used.,update} + + @sa https://docs.python.org/3.6/library/stdtypes.html#dict.update + + @since version 3.0.0 + */ + void update(const_reference j) + { + // implicitly convert null value to an empty object + if (is_null()) + { + m_type = value_t::object; + m_value.object = create(); + assert_invariant(); + } + + if (JSON_HEDLEY_UNLIKELY(!is_object())) + { + JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(type_name()))); + } + if (JSON_HEDLEY_UNLIKELY(!j.is_object())) + { + JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(j.type_name()))); + } + + for (auto it = j.cbegin(); it != j.cend(); ++it) + { + m_value.object->operator[](it.key()) = it.value(); + } + } + + /*! + @brief updates a JSON object from another object, overwriting existing keys + + Inserts all values from from range `[first, last)` and overwrites existing + keys. + + @param[in] first begin of the range of elements to insert + @param[in] last end of the range of elements to insert + + @throw type_error.312 if called on JSON values other than objects; example: + `"cannot use update() with string"` + @throw invalid_iterator.202 if iterator @a first or @a last does does not + point to an object; example: `"iterators first and last must point to + objects"` + @throw invalid_iterator.210 if @a first and @a last do not belong to the + same JSON value; example: `"iterators do not fit"` + + @complexity O(N*log(size() + N)), where N is the number of elements to + insert. + + @liveexample{The example shows how `update()` is used__range.,update} + + @sa https://docs.python.org/3.6/library/stdtypes.html#dict.update + + @since version 3.0.0 + */ + void update(const_iterator first, const_iterator last) + { + // implicitly convert null value to an empty object + if (is_null()) + { + m_type = value_t::object; + m_value.object = create(); + assert_invariant(); + } + + if (JSON_HEDLEY_UNLIKELY(!is_object())) + { + JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(type_name()))); + } + + // check if range iterators belong to the same JSON object + if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) + { + JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); + } + + // passed iterators must belong to objects + if (JSON_HEDLEY_UNLIKELY(!first.m_object->is_object() + || !last.m_object->is_object())) + { + JSON_THROW(invalid_iterator::create(202, "iterators first and last must point to objects")); + } + + for (auto it = first; it != last; ++it) + { + m_value.object->operator[](it.key()) = it.value(); + } + } + + /*! + @brief exchanges the values + + Exchanges the contents of the JSON value with those of @a other. Does not + invoke any move, copy, or swap operations on individual elements. All + iterators and references remain valid. The past-the-end iterator is + invalidated. + + @param[in,out] other JSON value to exchange the contents with + + @complexity Constant. + + @liveexample{The example below shows how JSON values can be swapped with + `swap()`.,swap__reference} + + @since version 1.0.0 + */ + void swap(reference other) noexcept ( + std::is_nothrow_move_constructible::value&& + std::is_nothrow_move_assignable::value&& + std::is_nothrow_move_constructible::value&& + std::is_nothrow_move_assignable::value + ) + { + std::swap(m_type, other.m_type); + std::swap(m_value, other.m_value); + assert_invariant(); + } + + /*! + @brief exchanges the values + + Exchanges the contents of the JSON value from @a left with those of @a right. Does not + invoke any move, copy, or swap operations on individual elements. All + iterators and references remain valid. The past-the-end iterator is + invalidated. implemented as a friend function callable via ADL. + + @param[in,out] left JSON value to exchange the contents with + @param[in,out] right JSON value to exchange the contents with + + @complexity Constant. + + @liveexample{The example below shows how JSON values can be swapped with + `swap()`.,swap__reference} + + @since version 1.0.0 + */ + friend void swap(reference left, reference right) noexcept ( + std::is_nothrow_move_constructible::value&& + std::is_nothrow_move_assignable::value&& + std::is_nothrow_move_constructible::value&& + std::is_nothrow_move_assignable::value + ) + { + left.swap(right); + } + + /*! + @brief exchanges the values + + Exchanges the contents of a JSON array with those of @a other. Does not + invoke any move, copy, or swap operations on individual elements. All + iterators and references remain valid. The past-the-end iterator is + invalidated. + + @param[in,out] other array to exchange the contents with + + @throw type_error.310 when JSON value is not an array; example: `"cannot + use swap() with string"` + + @complexity Constant. + + @liveexample{The example below shows how arrays can be swapped with + `swap()`.,swap__array_t} + + @since version 1.0.0 + */ + void swap(array_t& other) + { + // swap only works for arrays + if (JSON_HEDLEY_LIKELY(is_array())) + { + std::swap(*(m_value.array), other); + } + else + { + JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); + } + } + + /*! + @brief exchanges the values + + Exchanges the contents of a JSON object with those of @a other. Does not + invoke any move, copy, or swap operations on individual elements. All + iterators and references remain valid. The past-the-end iterator is + invalidated. + + @param[in,out] other object to exchange the contents with + + @throw type_error.310 when JSON value is not an object; example: + `"cannot use swap() with string"` + + @complexity Constant. + + @liveexample{The example below shows how objects can be swapped with + `swap()`.,swap__object_t} + + @since version 1.0.0 + */ + void swap(object_t& other) + { + // swap only works for objects + if (JSON_HEDLEY_LIKELY(is_object())) + { + std::swap(*(m_value.object), other); + } + else + { + JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); + } + } + + /*! + @brief exchanges the values + + Exchanges the contents of a JSON string with those of @a other. Does not + invoke any move, copy, or swap operations on individual elements. All + iterators and references remain valid. The past-the-end iterator is + invalidated. + + @param[in,out] other string to exchange the contents with + + @throw type_error.310 when JSON value is not a string; example: `"cannot + use swap() with boolean"` + + @complexity Constant. + + @liveexample{The example below shows how strings can be swapped with + `swap()`.,swap__string_t} + + @since version 1.0.0 + */ + void swap(string_t& other) + { + // swap only works for strings + if (JSON_HEDLEY_LIKELY(is_string())) + { + std::swap(*(m_value.string), other); + } + else + { + JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); + } + } + + /*! + @brief exchanges the values + + Exchanges the contents of a JSON string with those of @a other. Does not + invoke any move, copy, or swap operations on individual elements. All + iterators and references remain valid. The past-the-end iterator is + invalidated. + + @param[in,out] other binary to exchange the contents with + + @throw type_error.310 when JSON value is not a string; example: `"cannot + use swap() with boolean"` + + @complexity Constant. + + @liveexample{The example below shows how strings can be swapped with + `swap()`.,swap__binary_t} + + @since version 3.8.0 + */ + void swap(binary_t& other) + { + // swap only works for strings + if (JSON_HEDLEY_LIKELY(is_binary())) + { + std::swap(*(m_value.binary), other); + } + else + { + JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); + } + } + + /// @copydoc swap(binary_t) + void swap(typename binary_t::container_type& other) + { + // swap only works for strings + if (JSON_HEDLEY_LIKELY(is_binary())) + { + std::swap(*(m_value.binary), other); + } + else + { + JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); + } + } + + /// @} + + public: + ////////////////////////////////////////// + // lexicographical comparison operators // + ////////////////////////////////////////// + + /// @name lexicographical comparison operators + /// @{ + + /*! + @brief comparison: equal + + Compares two JSON values for equality according to the following rules: + - Two JSON values are equal if (1) they are from the same type and (2) + their stored values are the same according to their respective + `operator==`. + - Integer and floating-point numbers are automatically converted before + comparison. Note that two NaN values are always treated as unequal. + - Two JSON null values are equal. + + @note Floating-point inside JSON values numbers are compared with + `json::number_float_t::operator==` which is `double::operator==` by + default. To compare floating-point while respecting an epsilon, an alternative + [comparison function](https://github.com/mariokonrad/marnav/blob/master/include/marnav/math/floatingpoint.hpp#L34-#L39) + could be used, for instance + @code {.cpp} + template::value, T>::type> + inline bool is_same(T a, T b, T epsilon = std::numeric_limits::epsilon()) noexcept + { + return std::abs(a - b) <= epsilon; + } + @endcode + Or you can self-defined operator equal function like this: + @code {.cpp} + bool my_equal(const_reference lhs, const_reference rhs) { + const auto lhs_type lhs.type(); + const auto rhs_type rhs.type(); + if (lhs_type == rhs_type) { + switch(lhs_type) + // self_defined case + case value_t::number_float: + return std::abs(lhs - rhs) <= std::numeric_limits::epsilon(); + // other cases remain the same with the original + ... + } + ... + } + @endcode + + @note NaN values never compare equal to themselves or to other NaN values. + + @param[in] lhs first JSON value to consider + @param[in] rhs second JSON value to consider + @return whether the values @a lhs and @a rhs are equal + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @complexity Linear. + + @liveexample{The example demonstrates comparing several JSON + types.,operator__equal} + + @since version 1.0.0 + */ + friend bool operator==(const_reference lhs, const_reference rhs) noexcept + { + const auto lhs_type = lhs.type(); + const auto rhs_type = rhs.type(); + + if (lhs_type == rhs_type) + { + switch (lhs_type) + { + case value_t::array: + return *lhs.m_value.array == *rhs.m_value.array; + + case value_t::object: + return *lhs.m_value.object == *rhs.m_value.object; + + case value_t::null: + return true; + + case value_t::string: + return *lhs.m_value.string == *rhs.m_value.string; + + case value_t::boolean: + return lhs.m_value.boolean == rhs.m_value.boolean; + + case value_t::number_integer: + return lhs.m_value.number_integer == rhs.m_value.number_integer; + + case value_t::number_unsigned: + return lhs.m_value.number_unsigned == rhs.m_value.number_unsigned; + + case value_t::number_float: + return lhs.m_value.number_float == rhs.m_value.number_float; + + case value_t::binary: + return *lhs.m_value.binary == *rhs.m_value.binary; + + default: + return false; + } + } + else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_float) + { + return static_cast(lhs.m_value.number_integer) == rhs.m_value.number_float; + } + else if (lhs_type == value_t::number_float && rhs_type == value_t::number_integer) + { + return lhs.m_value.number_float == static_cast(rhs.m_value.number_integer); + } + else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_float) + { + return static_cast(lhs.m_value.number_unsigned) == rhs.m_value.number_float; + } + else if (lhs_type == value_t::number_float && rhs_type == value_t::number_unsigned) + { + return lhs.m_value.number_float == static_cast(rhs.m_value.number_unsigned); + } + else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_integer) + { + return static_cast(lhs.m_value.number_unsigned) == rhs.m_value.number_integer; + } + else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_unsigned) + { + return lhs.m_value.number_integer == static_cast(rhs.m_value.number_unsigned); + } + + return false; + } + + /*! + @brief comparison: equal + @copydoc operator==(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator==(const_reference lhs, const ScalarType rhs) noexcept + { + return lhs == basic_json(rhs); + } + + /*! + @brief comparison: equal + @copydoc operator==(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator==(const ScalarType lhs, const_reference rhs) noexcept + { + return basic_json(lhs) == rhs; + } + + /*! + @brief comparison: not equal + + Compares two JSON values for inequality by calculating `not (lhs == rhs)`. + + @param[in] lhs first JSON value to consider + @param[in] rhs second JSON value to consider + @return whether the values @a lhs and @a rhs are not equal + + @complexity Linear. + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @liveexample{The example demonstrates comparing several JSON + types.,operator__notequal} + + @since version 1.0.0 + */ + friend bool operator!=(const_reference lhs, const_reference rhs) noexcept + { + return !(lhs == rhs); + } + + /*! + @brief comparison: not equal + @copydoc operator!=(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator!=(const_reference lhs, const ScalarType rhs) noexcept + { + return lhs != basic_json(rhs); + } + + /*! + @brief comparison: not equal + @copydoc operator!=(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator!=(const ScalarType lhs, const_reference rhs) noexcept + { + return basic_json(lhs) != rhs; + } + + /*! + @brief comparison: less than + + Compares whether one JSON value @a lhs is less than another JSON value @a + rhs according to the following rules: + - If @a lhs and @a rhs have the same type, the values are compared using + the default `<` operator. + - Integer and floating-point numbers are automatically converted before + comparison + - In case @a lhs and @a rhs have different types, the values are ignored + and the order of the types is considered, see + @ref operator<(const value_t, const value_t). + + @param[in] lhs first JSON value to consider + @param[in] rhs second JSON value to consider + @return whether @a lhs is less than @a rhs + + @complexity Linear. + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @liveexample{The example demonstrates comparing several JSON + types.,operator__less} + + @since version 1.0.0 + */ + friend bool operator<(const_reference lhs, const_reference rhs) noexcept + { + const auto lhs_type = lhs.type(); + const auto rhs_type = rhs.type(); + + if (lhs_type == rhs_type) + { + switch (lhs_type) + { + case value_t::array: + // note parentheses are necessary, see + // https://github.com/nlohmann/json/issues/1530 + return (*lhs.m_value.array) < (*rhs.m_value.array); + + case value_t::object: + return (*lhs.m_value.object) < (*rhs.m_value.object); + + case value_t::null: + return false; + + case value_t::string: + return (*lhs.m_value.string) < (*rhs.m_value.string); + + case value_t::boolean: + return (lhs.m_value.boolean) < (rhs.m_value.boolean); + + case value_t::number_integer: + return (lhs.m_value.number_integer) < (rhs.m_value.number_integer); + + case value_t::number_unsigned: + return (lhs.m_value.number_unsigned) < (rhs.m_value.number_unsigned); + + case value_t::number_float: + return (lhs.m_value.number_float) < (rhs.m_value.number_float); + + case value_t::binary: + return (*lhs.m_value.binary) < (*rhs.m_value.binary); + + default: + return false; + } + } + else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_float) + { + return static_cast(lhs.m_value.number_integer) < rhs.m_value.number_float; + } + else if (lhs_type == value_t::number_float && rhs_type == value_t::number_integer) + { + return lhs.m_value.number_float < static_cast(rhs.m_value.number_integer); + } + else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_float) + { + return static_cast(lhs.m_value.number_unsigned) < rhs.m_value.number_float; + } + else if (lhs_type == value_t::number_float && rhs_type == value_t::number_unsigned) + { + return lhs.m_value.number_float < static_cast(rhs.m_value.number_unsigned); + } + else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_unsigned) + { + return lhs.m_value.number_integer < static_cast(rhs.m_value.number_unsigned); + } + else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_integer) + { + return static_cast(lhs.m_value.number_unsigned) < rhs.m_value.number_integer; + } + + // We only reach this line if we cannot compare values. In that case, + // we compare types. Note we have to call the operator explicitly, + // because MSVC has problems otherwise. + return operator<(lhs_type, rhs_type); + } + + /*! + @brief comparison: less than + @copydoc operator<(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator<(const_reference lhs, const ScalarType rhs) noexcept + { + return lhs < basic_json(rhs); + } + + /*! + @brief comparison: less than + @copydoc operator<(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator<(const ScalarType lhs, const_reference rhs) noexcept + { + return basic_json(lhs) < rhs; + } + + /*! + @brief comparison: less than or equal + + Compares whether one JSON value @a lhs is less than or equal to another + JSON value by calculating `not (rhs < lhs)`. + + @param[in] lhs first JSON value to consider + @param[in] rhs second JSON value to consider + @return whether @a lhs is less than or equal to @a rhs + + @complexity Linear. + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @liveexample{The example demonstrates comparing several JSON + types.,operator__greater} + + @since version 1.0.0 + */ + friend bool operator<=(const_reference lhs, const_reference rhs) noexcept + { + return !(rhs < lhs); + } + + /*! + @brief comparison: less than or equal + @copydoc operator<=(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator<=(const_reference lhs, const ScalarType rhs) noexcept + { + return lhs <= basic_json(rhs); + } + + /*! + @brief comparison: less than or equal + @copydoc operator<=(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator<=(const ScalarType lhs, const_reference rhs) noexcept + { + return basic_json(lhs) <= rhs; + } + + /*! + @brief comparison: greater than + + Compares whether one JSON value @a lhs is greater than another + JSON value by calculating `not (lhs <= rhs)`. + + @param[in] lhs first JSON value to consider + @param[in] rhs second JSON value to consider + @return whether @a lhs is greater than to @a rhs + + @complexity Linear. + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @liveexample{The example demonstrates comparing several JSON + types.,operator__lessequal} + + @since version 1.0.0 + */ + friend bool operator>(const_reference lhs, const_reference rhs) noexcept + { + return !(lhs <= rhs); + } + + /*! + @brief comparison: greater than + @copydoc operator>(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator>(const_reference lhs, const ScalarType rhs) noexcept + { + return lhs > basic_json(rhs); + } + + /*! + @brief comparison: greater than + @copydoc operator>(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator>(const ScalarType lhs, const_reference rhs) noexcept + { + return basic_json(lhs) > rhs; + } + + /*! + @brief comparison: greater than or equal + + Compares whether one JSON value @a lhs is greater than or equal to another + JSON value by calculating `not (lhs < rhs)`. + + @param[in] lhs first JSON value to consider + @param[in] rhs second JSON value to consider + @return whether @a lhs is greater than or equal to @a rhs + + @complexity Linear. + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @liveexample{The example demonstrates comparing several JSON + types.,operator__greaterequal} + + @since version 1.0.0 + */ + friend bool operator>=(const_reference lhs, const_reference rhs) noexcept + { + return !(lhs < rhs); + } + + /*! + @brief comparison: greater than or equal + @copydoc operator>=(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator>=(const_reference lhs, const ScalarType rhs) noexcept + { + return lhs >= basic_json(rhs); + } + + /*! + @brief comparison: greater than or equal + @copydoc operator>=(const_reference, const_reference) + */ + template::value, int>::type = 0> + friend bool operator>=(const ScalarType lhs, const_reference rhs) noexcept + { + return basic_json(lhs) >= rhs; + } + + /// @} + + /////////////////// + // serialization // + /////////////////// + + /// @name serialization + /// @{ + + /*! + @brief serialize to stream + + Serialize the given JSON value @a j to the output stream @a o. The JSON + value will be serialized using the @ref dump member function. + + - The indentation of the output can be controlled with the member variable + `width` of the output stream @a o. For instance, using the manipulator + `std::setw(4)` on @a o sets the indentation level to `4` and the + serialization result is the same as calling `dump(4)`. + + - The indentation character can be controlled with the member variable + `fill` of the output stream @a o. For instance, the manipulator + `std::setfill('\\t')` sets indentation to use a tab character rather than + the default space character. + + @param[in,out] o stream to serialize to + @param[in] j JSON value to serialize + + @return the stream @a o + + @throw type_error.316 if a string stored inside the JSON value is not + UTF-8 encoded + + @complexity Linear. + + @liveexample{The example below shows the serialization with different + parameters to `width` to adjust the indentation level.,operator_serialize} + + @since version 1.0.0; indentation character added in version 3.0.0 + */ + friend std::ostream& operator<<(std::ostream& o, const basic_json& j) + { + // read width member and use it as indentation parameter if nonzero + const bool pretty_print = o.width() > 0; + const auto indentation = pretty_print ? o.width() : 0; + + // reset width to 0 for subsequent calls to this stream + o.width(0); + + // do the actual serialization + serializer s(detail::output_adapter(o), o.fill()); + s.dump(j, pretty_print, false, static_cast(indentation)); + return o; + } + + /*! + @brief serialize to stream + @deprecated This stream operator is deprecated and will be removed in + future 4.0.0 of the library. Please use + @ref operator<<(std::ostream&, const basic_json&) + instead; that is, replace calls like `j >> o;` with `o << j;`. + @since version 1.0.0; deprecated since version 3.0.0 + */ + JSON_HEDLEY_DEPRECATED_FOR(3.0.0, operator<<(std::ostream&, const basic_json&)) + friend std::ostream& operator>>(const basic_json& j, std::ostream& o) + { + return o << j; + } + + /// @} + + + ///////////////////// + // deserialization // + ///////////////////// + + /// @name deserialization + /// @{ + + /*! + @brief deserialize from a compatible input + + @tparam InputType A compatible input, for instance + - an std::istream object + - a FILE pointer + - a C-style array of characters + - a pointer to a null-terminated string of single byte characters + - an object obj for which begin(obj) and end(obj) produces a valid pair of + iterators. + + @param[in] i input to read from + @param[in] cb a parser callback function of type @ref parser_callback_t + which is used to control the deserialization by filtering unwanted values + (optional) + @param[in] allow_exceptions whether to throw exceptions in case of a + parse error (optional, true by default) + @param[in] ignore_comments whether comments should be ignored and treated + like whitespace (true) or yield a parse error (true); (optional, false by + default) + + @return deserialized JSON value; in case of a parse error and + @a allow_exceptions set to `false`, the return value will be + value_t::discarded. + + @throw parse_error.101 if a parse error occurs; example: `""unexpected end + of input; expected string literal""` + @throw parse_error.102 if to_unicode fails or surrogate error + @throw parse_error.103 if to_unicode fails + + @complexity Linear in the length of the input. The parser is a predictive + LL(1) parser. The complexity can be higher if the parser callback function + @a cb or reading from the input @a i has a super-linear complexity. + + @note A UTF-8 byte order mark is silently ignored. + + @liveexample{The example below demonstrates the `parse()` function reading + from an array.,parse__array__parser_callback_t} + + @liveexample{The example below demonstrates the `parse()` function with + and without callback function.,parse__string__parser_callback_t} + + @liveexample{The example below demonstrates the `parse()` function with + and without callback function.,parse__istream__parser_callback_t} + + @liveexample{The example below demonstrates the `parse()` function reading + from a contiguous container.,parse__contiguouscontainer__parser_callback_t} + + @since version 2.0.3 (contiguous containers); version 3.9.0 allowed to + ignore comments. + */ + template + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json parse(InputType&& i, + const parser_callback_t cb = nullptr, + const bool allow_exceptions = true, + const bool ignore_comments = false) + { + basic_json result; + parser(detail::input_adapter(std::forward(i)), cb, allow_exceptions, ignore_comments).parse(true, result); + return result; + } + + /*! + @brief deserialize from a pair of character iterators + + The value_type of the iterator must be a integral type with size of 1, 2 or + 4 bytes, which will be interpreted respectively as UTF-8, UTF-16 and UTF-32. + + @param[in] first iterator to start of character range + @param[in] last iterator to end of character range + @param[in] cb a parser callback function of type @ref parser_callback_t + which is used to control the deserialization by filtering unwanted values + (optional) + @param[in] allow_exceptions whether to throw exceptions in case of a + parse error (optional, true by default) + @param[in] ignore_comments whether comments should be ignored and treated + like whitespace (true) or yield a parse error (true); (optional, false by + default) + + @return deserialized JSON value; in case of a parse error and + @a allow_exceptions set to `false`, the return value will be + value_t::discarded. + + @throw parse_error.101 if a parse error occurs; example: `""unexpected end + of input; expected string literal""` + @throw parse_error.102 if to_unicode fails or surrogate error + @throw parse_error.103 if to_unicode fails + */ + template + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json parse(IteratorType first, + IteratorType last, + const parser_callback_t cb = nullptr, + const bool allow_exceptions = true, + const bool ignore_comments = false) + { + basic_json result; + parser(detail::input_adapter(std::move(first), std::move(last)), cb, allow_exceptions, ignore_comments).parse(true, result); + return result; + } + + JSON_HEDLEY_WARN_UNUSED_RESULT + JSON_HEDLEY_DEPRECATED_FOR(3.8.0, parse(ptr, ptr + len)) + static basic_json parse(detail::span_input_adapter&& i, + const parser_callback_t cb = nullptr, + const bool allow_exceptions = true, + const bool ignore_comments = false) + { + basic_json result; + parser(i.get(), cb, allow_exceptions, ignore_comments).parse(true, result); + return result; + } + + /*! + @brief check if the input is valid JSON + + Unlike the @ref parse(InputType&&, const parser_callback_t,const bool) + function, this function neither throws an exception in case of invalid JSON + input (i.e., a parse error) nor creates diagnostic information. + + @tparam InputType A compatible input, for instance + - an std::istream object + - a FILE pointer + - a C-style array of characters + - a pointer to a null-terminated string of single byte characters + - an object obj for which begin(obj) and end(obj) produces a valid pair of + iterators. + + @param[in] i input to read from + @param[in] ignore_comments whether comments should be ignored and treated + like whitespace (true) or yield a parse error (true); (optional, false by + default) + + @return Whether the input read from @a i is valid JSON. + + @complexity Linear in the length of the input. The parser is a predictive + LL(1) parser. + + @note A UTF-8 byte order mark is silently ignored. + + @liveexample{The example below demonstrates the `accept()` function reading + from a string.,accept__string} + */ + template + static bool accept(InputType&& i, + const bool ignore_comments = false) + { + return parser(detail::input_adapter(std::forward(i)), nullptr, false, ignore_comments).accept(true); + } + + template + static bool accept(IteratorType first, IteratorType last, + const bool ignore_comments = false) + { + return parser(detail::input_adapter(std::move(first), std::move(last)), nullptr, false, ignore_comments).accept(true); + } + + JSON_HEDLEY_WARN_UNUSED_RESULT + JSON_HEDLEY_DEPRECATED_FOR(3.8.0, accept(ptr, ptr + len)) + static bool accept(detail::span_input_adapter&& i, + const bool ignore_comments = false) + { + return parser(i.get(), nullptr, false, ignore_comments).accept(true); + } + + /*! + @brief generate SAX events + + The SAX event lister must follow the interface of @ref json_sax. + + This function reads from a compatible input. Examples are: + - an std::istream object + - a FILE pointer + - a C-style array of characters + - a pointer to a null-terminated string of single byte characters + - an object obj for which begin(obj) and end(obj) produces a valid pair of + iterators. + + @param[in] i input to read from + @param[in,out] sax SAX event listener + @param[in] format the format to parse (JSON, CBOR, MessagePack, or UBJSON) + @param[in] strict whether the input has to be consumed completely + @param[in] ignore_comments whether comments should be ignored and treated + like whitespace (true) or yield a parse error (true); (optional, false by + default); only applies to the JSON file format. + + @return return value of the last processed SAX event + + @throw parse_error.101 if a parse error occurs; example: `""unexpected end + of input; expected string literal""` + @throw parse_error.102 if to_unicode fails or surrogate error + @throw parse_error.103 if to_unicode fails + + @complexity Linear in the length of the input. The parser is a predictive + LL(1) parser. The complexity can be higher if the SAX consumer @a sax has + a super-linear complexity. + + @note A UTF-8 byte order mark is silently ignored. + + @liveexample{The example below demonstrates the `sax_parse()` function + reading from string and processing the events with a user-defined SAX + event consumer.,sax_parse} + + @since version 3.2.0 + */ + template + JSON_HEDLEY_NON_NULL(2) + static bool sax_parse(InputType&& i, SAX* sax, + input_format_t format = input_format_t::json, + const bool strict = true, + const bool ignore_comments = false) + { + auto ia = detail::input_adapter(std::forward(i)); + return format == input_format_t::json + ? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) + : detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); + } + + template + JSON_HEDLEY_NON_NULL(3) + static bool sax_parse(IteratorType first, IteratorType last, SAX* sax, + input_format_t format = input_format_t::json, + const bool strict = true, + const bool ignore_comments = false) + { + auto ia = detail::input_adapter(std::move(first), std::move(last)); + return format == input_format_t::json + ? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) + : detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); + } + + template + JSON_HEDLEY_DEPRECATED_FOR(3.8.0, sax_parse(ptr, ptr + len, ...)) + JSON_HEDLEY_NON_NULL(2) + static bool sax_parse(detail::span_input_adapter&& i, SAX* sax, + input_format_t format = input_format_t::json, + const bool strict = true, + const bool ignore_comments = false) + { + auto ia = i.get(); + return format == input_format_t::json + ? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) + : detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); + } + + /*! + @brief deserialize from stream + @deprecated This stream operator is deprecated and will be removed in + version 4.0.0 of the library. Please use + @ref operator>>(std::istream&, basic_json&) + instead; that is, replace calls like `j << i;` with `i >> j;`. + @since version 1.0.0; deprecated since version 3.0.0 + */ + JSON_HEDLEY_DEPRECATED_FOR(3.0.0, operator>>(std::istream&, basic_json&)) + friend std::istream& operator<<(basic_json& j, std::istream& i) + { + return operator>>(i, j); + } + + /*! + @brief deserialize from stream + + Deserializes an input stream to a JSON value. + + @param[in,out] i input stream to read a serialized JSON value from + @param[in,out] j JSON value to write the deserialized input to + + @throw parse_error.101 in case of an unexpected token + @throw parse_error.102 if to_unicode fails or surrogate error + @throw parse_error.103 if to_unicode fails + + @complexity Linear in the length of the input. The parser is a predictive + LL(1) parser. + + @note A UTF-8 byte order mark is silently ignored. + + @liveexample{The example below shows how a JSON value is constructed by + reading a serialization from a stream.,operator_deserialize} + + @sa parse(std::istream&, const parser_callback_t) for a variant with a + parser callback function to filter values while parsing + + @since version 1.0.0 + */ + friend std::istream& operator>>(std::istream& i, basic_json& j) + { + parser(detail::input_adapter(i)).parse(false, j); + return i; + } + + /// @} + + /////////////////////////// + // convenience functions // + /////////////////////////// + + /*! + @brief return the type as string + + Returns the type name as string to be used in error messages - usually to + indicate that a function was called on a wrong JSON type. + + @return a string representation of a the @a m_type member: + Value type | return value + ----------- | ------------- + null | `"null"` + boolean | `"boolean"` + string | `"string"` + number | `"number"` (for all number types) + object | `"object"` + array | `"array"` + binary | `"binary"` + discarded | `"discarded"` + + @exceptionsafety No-throw guarantee: this function never throws exceptions. + + @complexity Constant. + + @liveexample{The following code exemplifies `type_name()` for all JSON + types.,type_name} + + @sa @ref type() -- return the type of the JSON value + @sa @ref operator value_t() -- return the type of the JSON value (implicit) + + @since version 1.0.0, public since 2.1.0, `const char*` and `noexcept` + since 3.0.0 + */ + JSON_HEDLEY_RETURNS_NON_NULL + const char* type_name() const noexcept + { + { + switch (m_type) + { + case value_t::null: + return "null"; + case value_t::object: + return "object"; + case value_t::array: + return "array"; + case value_t::string: + return "string"; + case value_t::boolean: + return "boolean"; + case value_t::binary: + return "binary"; + case value_t::discarded: + return "discarded"; + default: + return "number"; + } + } + } + + + private: + ////////////////////// + // member variables // + ////////////////////// + + /// the type of the current element + value_t m_type = value_t::null; + + /// the value of the current element + json_value m_value = {}; + + ////////////////////////////////////////// + // binary serialization/deserialization // + ////////////////////////////////////////// + + /// @name binary serialization/deserialization support + /// @{ + + public: + /*! + @brief create a CBOR serialization of a given JSON value + + Serializes a given JSON value @a j to a byte vector using the CBOR (Concise + Binary Object Representation) serialization format. CBOR is a binary + serialization format which aims to be more compact than JSON itself, yet + more efficient to parse. + + The library uses the following mapping from JSON values types to + CBOR types according to the CBOR specification (RFC 7049): + + JSON value type | value/range | CBOR type | first byte + --------------- | ------------------------------------------ | ---------------------------------- | --------------- + null | `null` | Null | 0xF6 + boolean | `true` | True | 0xF5 + boolean | `false` | False | 0xF4 + number_integer | -9223372036854775808..-2147483649 | Negative integer (8 bytes follow) | 0x3B + number_integer | -2147483648..-32769 | Negative integer (4 bytes follow) | 0x3A + number_integer | -32768..-129 | Negative integer (2 bytes follow) | 0x39 + number_integer | -128..-25 | Negative integer (1 byte follow) | 0x38 + number_integer | -24..-1 | Negative integer | 0x20..0x37 + number_integer | 0..23 | Integer | 0x00..0x17 + number_integer | 24..255 | Unsigned integer (1 byte follow) | 0x18 + number_integer | 256..65535 | Unsigned integer (2 bytes follow) | 0x19 + number_integer | 65536..4294967295 | Unsigned integer (4 bytes follow) | 0x1A + number_integer | 4294967296..18446744073709551615 | Unsigned integer (8 bytes follow) | 0x1B + number_unsigned | 0..23 | Integer | 0x00..0x17 + number_unsigned | 24..255 | Unsigned integer (1 byte follow) | 0x18 + number_unsigned | 256..65535 | Unsigned integer (2 bytes follow) | 0x19 + number_unsigned | 65536..4294967295 | Unsigned integer (4 bytes follow) | 0x1A + number_unsigned | 4294967296..18446744073709551615 | Unsigned integer (8 bytes follow) | 0x1B + number_float | *any value representable by a float* | Single-Precision Float | 0xFA + number_float | *any value NOT representable by a float* | Double-Precision Float | 0xFB + string | *length*: 0..23 | UTF-8 string | 0x60..0x77 + string | *length*: 23..255 | UTF-8 string (1 byte follow) | 0x78 + string | *length*: 256..65535 | UTF-8 string (2 bytes follow) | 0x79 + string | *length*: 65536..4294967295 | UTF-8 string (4 bytes follow) | 0x7A + string | *length*: 4294967296..18446744073709551615 | UTF-8 string (8 bytes follow) | 0x7B + array | *size*: 0..23 | array | 0x80..0x97 + array | *size*: 23..255 | array (1 byte follow) | 0x98 + array | *size*: 256..65535 | array (2 bytes follow) | 0x99 + array | *size*: 65536..4294967295 | array (4 bytes follow) | 0x9A + array | *size*: 4294967296..18446744073709551615 | array (8 bytes follow) | 0x9B + object | *size*: 0..23 | map | 0xA0..0xB7 + object | *size*: 23..255 | map (1 byte follow) | 0xB8 + object | *size*: 256..65535 | map (2 bytes follow) | 0xB9 + object | *size*: 65536..4294967295 | map (4 bytes follow) | 0xBA + object | *size*: 4294967296..18446744073709551615 | map (8 bytes follow) | 0xBB + binary | *size*: 0..23 | byte string | 0x40..0x57 + binary | *size*: 23..255 | byte string (1 byte follow) | 0x58 + binary | *size*: 256..65535 | byte string (2 bytes follow) | 0x59 + binary | *size*: 65536..4294967295 | byte string (4 bytes follow) | 0x5A + binary | *size*: 4294967296..18446744073709551615 | byte string (8 bytes follow) | 0x5B + + @note The mapping is **complete** in the sense that any JSON value type + can be converted to a CBOR value. + + @note If NaN or Infinity are stored inside a JSON number, they are + serialized properly. This behavior differs from the @ref dump() + function which serializes NaN or Infinity to `null`. + + @note The following CBOR types are not used in the conversion: + - UTF-8 strings terminated by "break" (0x7F) + - arrays terminated by "break" (0x9F) + - maps terminated by "break" (0xBF) + - byte strings terminated by "break" (0x5F) + - date/time (0xC0..0xC1) + - bignum (0xC2..0xC3) + - decimal fraction (0xC4) + - bigfloat (0xC5) + - expected conversions (0xD5..0xD7) + - simple values (0xE0..0xF3, 0xF8) + - undefined (0xF7) + - half-precision floats (0xF9) + - break (0xFF) + + @param[in] j JSON value to serialize + @return CBOR serialization as byte vector + + @complexity Linear in the size of the JSON value @a j. + + @liveexample{The example shows the serialization of a JSON value to a byte + vector in CBOR format.,to_cbor} + + @sa http://cbor.io + @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the + analogous deserialization + @sa @ref to_msgpack(const basic_json&) for the related MessagePack format + @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the + related UBJSON format + + @since version 2.0.9; compact representation of floating-point numbers + since version 3.8.0 + */ + static std::vector to_cbor(const basic_json& j) + { + std::vector result; + to_cbor(j, result); + return result; + } + + static void to_cbor(const basic_json& j, detail::output_adapter o) + { + binary_writer(o).write_cbor(j); + } + + static void to_cbor(const basic_json& j, detail::output_adapter o) + { + binary_writer(o).write_cbor(j); + } + + /*! + @brief create a MessagePack serialization of a given JSON value + + Serializes a given JSON value @a j to a byte vector using the MessagePack + serialization format. MessagePack is a binary serialization format which + aims to be more compact than JSON itself, yet more efficient to parse. + + The library uses the following mapping from JSON values types to + MessagePack types according to the MessagePack specification: + + JSON value type | value/range | MessagePack type | first byte + --------------- | --------------------------------- | ---------------- | ---------- + null | `null` | nil | 0xC0 + boolean | `true` | true | 0xC3 + boolean | `false` | false | 0xC2 + number_integer | -9223372036854775808..-2147483649 | int64 | 0xD3 + number_integer | -2147483648..-32769 | int32 | 0xD2 + number_integer | -32768..-129 | int16 | 0xD1 + number_integer | -128..-33 | int8 | 0xD0 + number_integer | -32..-1 | negative fixint | 0xE0..0xFF + number_integer | 0..127 | positive fixint | 0x00..0x7F + number_integer | 128..255 | uint 8 | 0xCC + number_integer | 256..65535 | uint 16 | 0xCD + number_integer | 65536..4294967295 | uint 32 | 0xCE + number_integer | 4294967296..18446744073709551615 | uint 64 | 0xCF + number_unsigned | 0..127 | positive fixint | 0x00..0x7F + number_unsigned | 128..255 | uint 8 | 0xCC + number_unsigned | 256..65535 | uint 16 | 0xCD + number_unsigned | 65536..4294967295 | uint 32 | 0xCE + number_unsigned | 4294967296..18446744073709551615 | uint 64 | 0xCF + number_float | *any value representable by a float* | float 32 | 0xCA + number_float | *any value NOT representable by a float* | float 64 | 0xCB + string | *length*: 0..31 | fixstr | 0xA0..0xBF + string | *length*: 32..255 | str 8 | 0xD9 + string | *length*: 256..65535 | str 16 | 0xDA + string | *length*: 65536..4294967295 | str 32 | 0xDB + array | *size*: 0..15 | fixarray | 0x90..0x9F + array | *size*: 16..65535 | array 16 | 0xDC + array | *size*: 65536..4294967295 | array 32 | 0xDD + object | *size*: 0..15 | fix map | 0x80..0x8F + object | *size*: 16..65535 | map 16 | 0xDE + object | *size*: 65536..4294967295 | map 32 | 0xDF + binary | *size*: 0..255 | bin 8 | 0xC4 + binary | *size*: 256..65535 | bin 16 | 0xC5 + binary | *size*: 65536..4294967295 | bin 32 | 0xC6 + + @note The mapping is **complete** in the sense that any JSON value type + can be converted to a MessagePack value. + + @note The following values can **not** be converted to a MessagePack value: + - strings with more than 4294967295 bytes + - byte strings with more than 4294967295 bytes + - arrays with more than 4294967295 elements + - objects with more than 4294967295 elements + + @note Any MessagePack output created @ref to_msgpack can be successfully + parsed by @ref from_msgpack. + + @note If NaN or Infinity are stored inside a JSON number, they are + serialized properly. This behavior differs from the @ref dump() + function which serializes NaN or Infinity to `null`. + + @param[in] j JSON value to serialize + @return MessagePack serialization as byte vector + + @complexity Linear in the size of the JSON value @a j. + + @liveexample{The example shows the serialization of a JSON value to a byte + vector in MessagePack format.,to_msgpack} + + @sa http://msgpack.org + @sa @ref from_msgpack for the analogous deserialization + @sa @ref to_cbor(const basic_json& for the related CBOR format + @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the + related UBJSON format + + @since version 2.0.9 + */ + static std::vector to_msgpack(const basic_json& j) + { + std::vector result; + to_msgpack(j, result); + return result; + } + + static void to_msgpack(const basic_json& j, detail::output_adapter o) + { + binary_writer(o).write_msgpack(j); + } + + static void to_msgpack(const basic_json& j, detail::output_adapter o) + { + binary_writer(o).write_msgpack(j); + } + + /*! + @brief create a UBJSON serialization of a given JSON value + + Serializes a given JSON value @a j to a byte vector using the UBJSON + (Universal Binary JSON) serialization format. UBJSON aims to be more compact + than JSON itself, yet more efficient to parse. + + The library uses the following mapping from JSON values types to + UBJSON types according to the UBJSON specification: + + JSON value type | value/range | UBJSON type | marker + --------------- | --------------------------------- | ----------- | ------ + null | `null` | null | `Z` + boolean | `true` | true | `T` + boolean | `false` | false | `F` + number_integer | -9223372036854775808..-2147483649 | int64 | `L` + number_integer | -2147483648..-32769 | int32 | `l` + number_integer | -32768..-129 | int16 | `I` + number_integer | -128..127 | int8 | `i` + number_integer | 128..255 | uint8 | `U` + number_integer | 256..32767 | int16 | `I` + number_integer | 32768..2147483647 | int32 | `l` + number_integer | 2147483648..9223372036854775807 | int64 | `L` + number_unsigned | 0..127 | int8 | `i` + number_unsigned | 128..255 | uint8 | `U` + number_unsigned | 256..32767 | int16 | `I` + number_unsigned | 32768..2147483647 | int32 | `l` + number_unsigned | 2147483648..9223372036854775807 | int64 | `L` + number_unsigned | 2147483649..18446744073709551615 | high-precision | `H` + number_float | *any value* | float64 | `D` + string | *with shortest length indicator* | string | `S` + array | *see notes on optimized format* | array | `[` + object | *see notes on optimized format* | map | `{` + + @note The mapping is **complete** in the sense that any JSON value type + can be converted to a UBJSON value. + + @note The following values can **not** be converted to a UBJSON value: + - strings with more than 9223372036854775807 bytes (theoretical) + + @note The following markers are not used in the conversion: + - `Z`: no-op values are not created. + - `C`: single-byte strings are serialized with `S` markers. + + @note Any UBJSON output created @ref to_ubjson can be successfully parsed + by @ref from_ubjson. + + @note If NaN or Infinity are stored inside a JSON number, they are + serialized properly. This behavior differs from the @ref dump() + function which serializes NaN or Infinity to `null`. + + @note The optimized formats for containers are supported: Parameter + @a use_size adds size information to the beginning of a container and + removes the closing marker. Parameter @a use_type further checks + whether all elements of a container have the same type and adds the + type marker to the beginning of the container. The @a use_type + parameter must only be used together with @a use_size = true. Note + that @a use_size = true alone may result in larger representations - + the benefit of this parameter is that the receiving side is + immediately informed on the number of elements of the container. + + @note If the JSON data contains the binary type, the value stored is a list + of integers, as suggested by the UBJSON documentation. In particular, + this means that serialization and the deserialization of a JSON + containing binary values into UBJSON and back will result in a + different JSON object. + + @param[in] j JSON value to serialize + @param[in] use_size whether to add size annotations to container types + @param[in] use_type whether to add type annotations to container types + (must be combined with @a use_size = true) + @return UBJSON serialization as byte vector + + @complexity Linear in the size of the JSON value @a j. + + @liveexample{The example shows the serialization of a JSON value to a byte + vector in UBJSON format.,to_ubjson} + + @sa http://ubjson.org + @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the + analogous deserialization + @sa @ref to_cbor(const basic_json& for the related CBOR format + @sa @ref to_msgpack(const basic_json&) for the related MessagePack format + + @since version 3.1.0 + */ + static std::vector to_ubjson(const basic_json& j, + const bool use_size = false, + const bool use_type = false) + { + std::vector result; + to_ubjson(j, result, use_size, use_type); + return result; + } + + static void to_ubjson(const basic_json& j, detail::output_adapter o, + const bool use_size = false, const bool use_type = false) + { + binary_writer(o).write_ubjson(j, use_size, use_type); + } + + static void to_ubjson(const basic_json& j, detail::output_adapter o, + const bool use_size = false, const bool use_type = false) + { + binary_writer(o).write_ubjson(j, use_size, use_type); + } + + + /*! + @brief Serializes the given JSON object `j` to BSON and returns a vector + containing the corresponding BSON-representation. + + BSON (Binary JSON) is a binary format in which zero or more ordered key/value pairs are + stored as a single entity (a so-called document). + + The library uses the following mapping from JSON values types to BSON types: + + JSON value type | value/range | BSON type | marker + --------------- | --------------------------------- | ----------- | ------ + null | `null` | null | 0x0A + boolean | `true`, `false` | boolean | 0x08 + number_integer | -9223372036854775808..-2147483649 | int64 | 0x12 + number_integer | -2147483648..2147483647 | int32 | 0x10 + number_integer | 2147483648..9223372036854775807 | int64 | 0x12 + number_unsigned | 0..2147483647 | int32 | 0x10 + number_unsigned | 2147483648..9223372036854775807 | int64 | 0x12 + number_unsigned | 9223372036854775808..18446744073709551615| -- | -- + number_float | *any value* | double | 0x01 + string | *any value* | string | 0x02 + array | *any value* | document | 0x04 + object | *any value* | document | 0x03 + binary | *any value* | binary | 0x05 + + @warning The mapping is **incomplete**, since only JSON-objects (and things + contained therein) can be serialized to BSON. + Also, integers larger than 9223372036854775807 cannot be serialized to BSON, + and the keys may not contain U+0000, since they are serialized a + zero-terminated c-strings. + + @throw out_of_range.407 if `j.is_number_unsigned() && j.get() > 9223372036854775807` + @throw out_of_range.409 if a key in `j` contains a NULL (U+0000) + @throw type_error.317 if `!j.is_object()` + + @pre The input `j` is required to be an object: `j.is_object() == true`. + + @note Any BSON output created via @ref to_bson can be successfully parsed + by @ref from_bson. + + @param[in] j JSON value to serialize + @return BSON serialization as byte vector + + @complexity Linear in the size of the JSON value @a j. + + @liveexample{The example shows the serialization of a JSON value to a byte + vector in BSON format.,to_bson} + + @sa http://bsonspec.org/spec.html + @sa @ref from_bson(detail::input_adapter&&, const bool strict) for the + analogous deserialization + @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the + related UBJSON format + @sa @ref to_cbor(const basic_json&) for the related CBOR format + @sa @ref to_msgpack(const basic_json&) for the related MessagePack format + */ + static std::vector to_bson(const basic_json& j) + { + std::vector result; + to_bson(j, result); + return result; + } + + /*! + @brief Serializes the given JSON object `j` to BSON and forwards the + corresponding BSON-representation to the given output_adapter `o`. + @param j The JSON object to convert to BSON. + @param o The output adapter that receives the binary BSON representation. + @pre The input `j` shall be an object: `j.is_object() == true` + @sa @ref to_bson(const basic_json&) + */ + static void to_bson(const basic_json& j, detail::output_adapter o) + { + binary_writer(o).write_bson(j); + } + + /*! + @copydoc to_bson(const basic_json&, detail::output_adapter) + */ + static void to_bson(const basic_json& j, detail::output_adapter o) + { + binary_writer(o).write_bson(j); + } + + + /*! + @brief create a JSON value from an input in CBOR format + + Deserializes a given input @a i to a JSON value using the CBOR (Concise + Binary Object Representation) serialization format. + + The library maps CBOR types to JSON value types as follows: + + CBOR type | JSON value type | first byte + ---------------------- | --------------- | ---------- + Integer | number_unsigned | 0x00..0x17 + Unsigned integer | number_unsigned | 0x18 + Unsigned integer | number_unsigned | 0x19 + Unsigned integer | number_unsigned | 0x1A + Unsigned integer | number_unsigned | 0x1B + Negative integer | number_integer | 0x20..0x37 + Negative integer | number_integer | 0x38 + Negative integer | number_integer | 0x39 + Negative integer | number_integer | 0x3A + Negative integer | number_integer | 0x3B + Byte string | binary | 0x40..0x57 + Byte string | binary | 0x58 + Byte string | binary | 0x59 + Byte string | binary | 0x5A + Byte string | binary | 0x5B + UTF-8 string | string | 0x60..0x77 + UTF-8 string | string | 0x78 + UTF-8 string | string | 0x79 + UTF-8 string | string | 0x7A + UTF-8 string | string | 0x7B + UTF-8 string | string | 0x7F + array | array | 0x80..0x97 + array | array | 0x98 + array | array | 0x99 + array | array | 0x9A + array | array | 0x9B + array | array | 0x9F + map | object | 0xA0..0xB7 + map | object | 0xB8 + map | object | 0xB9 + map | object | 0xBA + map | object | 0xBB + map | object | 0xBF + False | `false` | 0xF4 + True | `true` | 0xF5 + Null | `null` | 0xF6 + Half-Precision Float | number_float | 0xF9 + Single-Precision Float | number_float | 0xFA + Double-Precision Float | number_float | 0xFB + + @warning The mapping is **incomplete** in the sense that not all CBOR + types can be converted to a JSON value. The following CBOR types + are not supported and will yield parse errors (parse_error.112): + - date/time (0xC0..0xC1) + - bignum (0xC2..0xC3) + - decimal fraction (0xC4) + - bigfloat (0xC5) + - expected conversions (0xD5..0xD7) + - simple values (0xE0..0xF3, 0xF8) + - undefined (0xF7) + + @warning CBOR allows map keys of any type, whereas JSON only allows + strings as keys in object values. Therefore, CBOR maps with keys + other than UTF-8 strings are rejected (parse_error.113). + + @note Any CBOR output created @ref to_cbor can be successfully parsed by + @ref from_cbor. + + @param[in] i an input in CBOR format convertible to an input adapter + @param[in] strict whether to expect the input to be consumed until EOF + (true by default) + @param[in] allow_exceptions whether to throw exceptions in case of a + parse error (optional, true by default) + @param[in] tag_handler how to treat CBOR tags (optional, error by default) + + @return deserialized JSON value; in case of a parse error and + @a allow_exceptions set to `false`, the return value will be + value_t::discarded. + + @throw parse_error.110 if the given input ends prematurely or the end of + file was not reached when @a strict was set to true + @throw parse_error.112 if unsupported features from CBOR were + used in the given input @a v or if the input is not valid CBOR + @throw parse_error.113 if a string was expected as map key, but not found + + @complexity Linear in the size of the input @a i. + + @liveexample{The example shows the deserialization of a byte vector in CBOR + format to a JSON value.,from_cbor} + + @sa http://cbor.io + @sa @ref to_cbor(const basic_json&) for the analogous serialization + @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for the + related MessagePack format + @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the + related UBJSON format + + @since version 2.0.9; parameter @a start_index since 2.1.1; changed to + consume input adapters, removed start_index parameter, and added + @a strict parameter since 3.0.0; added @a allow_exceptions parameter + since 3.2.0; added @a tag_handler parameter since 3.9.0. + */ + template + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json from_cbor(InputType&& i, + const bool strict = true, + const bool allow_exceptions = true, + const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = detail::input_adapter(std::forward(i)); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); + return res ? result : basic_json(value_t::discarded); + } + + /*! + @copydoc from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) + */ + template + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json from_cbor(IteratorType first, IteratorType last, + const bool strict = true, + const bool allow_exceptions = true, + const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = detail::input_adapter(std::move(first), std::move(last)); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); + return res ? result : basic_json(value_t::discarded); + } + + template + JSON_HEDLEY_WARN_UNUSED_RESULT + JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_cbor(ptr, ptr + len)) + static basic_json from_cbor(const T* ptr, std::size_t len, + const bool strict = true, + const bool allow_exceptions = true, + const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) + { + return from_cbor(ptr, ptr + len, strict, allow_exceptions, tag_handler); + } + + + JSON_HEDLEY_WARN_UNUSED_RESULT + JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_cbor(ptr, ptr + len)) + static basic_json from_cbor(detail::span_input_adapter&& i, + const bool strict = true, + const bool allow_exceptions = true, + const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = i.get(); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); + return res ? result : basic_json(value_t::discarded); + } + + /*! + @brief create a JSON value from an input in MessagePack format + + Deserializes a given input @a i to a JSON value using the MessagePack + serialization format. + + The library maps MessagePack types to JSON value types as follows: + + MessagePack type | JSON value type | first byte + ---------------- | --------------- | ---------- + positive fixint | number_unsigned | 0x00..0x7F + fixmap | object | 0x80..0x8F + fixarray | array | 0x90..0x9F + fixstr | string | 0xA0..0xBF + nil | `null` | 0xC0 + false | `false` | 0xC2 + true | `true` | 0xC3 + float 32 | number_float | 0xCA + float 64 | number_float | 0xCB + uint 8 | number_unsigned | 0xCC + uint 16 | number_unsigned | 0xCD + uint 32 | number_unsigned | 0xCE + uint 64 | number_unsigned | 0xCF + int 8 | number_integer | 0xD0 + int 16 | number_integer | 0xD1 + int 32 | number_integer | 0xD2 + int 64 | number_integer | 0xD3 + str 8 | string | 0xD9 + str 16 | string | 0xDA + str 32 | string | 0xDB + array 16 | array | 0xDC + array 32 | array | 0xDD + map 16 | object | 0xDE + map 32 | object | 0xDF + bin 8 | binary | 0xC4 + bin 16 | binary | 0xC5 + bin 32 | binary | 0xC6 + ext 8 | binary | 0xC7 + ext 16 | binary | 0xC8 + ext 32 | binary | 0xC9 + fixext 1 | binary | 0xD4 + fixext 2 | binary | 0xD5 + fixext 4 | binary | 0xD6 + fixext 8 | binary | 0xD7 + fixext 16 | binary | 0xD8 + negative fixint | number_integer | 0xE0-0xFF + + @note Any MessagePack output created @ref to_msgpack can be successfully + parsed by @ref from_msgpack. + + @param[in] i an input in MessagePack format convertible to an input + adapter + @param[in] strict whether to expect the input to be consumed until EOF + (true by default) + @param[in] allow_exceptions whether to throw exceptions in case of a + parse error (optional, true by default) + + @return deserialized JSON value; in case of a parse error and + @a allow_exceptions set to `false`, the return value will be + value_t::discarded. + + @throw parse_error.110 if the given input ends prematurely or the end of + file was not reached when @a strict was set to true + @throw parse_error.112 if unsupported features from MessagePack were + used in the given input @a i or if the input is not valid MessagePack + @throw parse_error.113 if a string was expected as map key, but not found + + @complexity Linear in the size of the input @a i. + + @liveexample{The example shows the deserialization of a byte vector in + MessagePack format to a JSON value.,from_msgpack} + + @sa http://msgpack.org + @sa @ref to_msgpack(const basic_json&) for the analogous serialization + @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the + related CBOR format + @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for + the related UBJSON format + @sa @ref from_bson(detail::input_adapter&&, const bool, const bool) for + the related BSON format + + @since version 2.0.9; parameter @a start_index since 2.1.1; changed to + consume input adapters, removed start_index parameter, and added + @a strict parameter since 3.0.0; added @a allow_exceptions parameter + since 3.2.0 + */ + template + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json from_msgpack(InputType&& i, + const bool strict = true, + const bool allow_exceptions = true) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = detail::input_adapter(std::forward(i)); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); + return res ? result : basic_json(value_t::discarded); + } + + /*! + @copydoc from_msgpack(detail::input_adapter&&, const bool, const bool) + */ + template + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json from_msgpack(IteratorType first, IteratorType last, + const bool strict = true, + const bool allow_exceptions = true) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = detail::input_adapter(std::move(first), std::move(last)); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); + return res ? result : basic_json(value_t::discarded); + } + + + template + JSON_HEDLEY_WARN_UNUSED_RESULT + JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_msgpack(ptr, ptr + len)) + static basic_json from_msgpack(const T* ptr, std::size_t len, + const bool strict = true, + const bool allow_exceptions = true) + { + return from_msgpack(ptr, ptr + len, strict, allow_exceptions); + } + + JSON_HEDLEY_WARN_UNUSED_RESULT + JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_msgpack(ptr, ptr + len)) + static basic_json from_msgpack(detail::span_input_adapter&& i, + const bool strict = true, + const bool allow_exceptions = true) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = i.get(); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); + return res ? result : basic_json(value_t::discarded); + } + + + /*! + @brief create a JSON value from an input in UBJSON format + + Deserializes a given input @a i to a JSON value using the UBJSON (Universal + Binary JSON) serialization format. + + The library maps UBJSON types to JSON value types as follows: + + UBJSON type | JSON value type | marker + ----------- | --------------------------------------- | ------ + no-op | *no value, next value is read* | `N` + null | `null` | `Z` + false | `false` | `F` + true | `true` | `T` + float32 | number_float | `d` + float64 | number_float | `D` + uint8 | number_unsigned | `U` + int8 | number_integer | `i` + int16 | number_integer | `I` + int32 | number_integer | `l` + int64 | number_integer | `L` + high-precision number | number_integer, number_unsigned, or number_float - depends on number string | 'H' + string | string | `S` + char | string | `C` + array | array (optimized values are supported) | `[` + object | object (optimized values are supported) | `{` + + @note The mapping is **complete** in the sense that any UBJSON value can + be converted to a JSON value. + + @param[in] i an input in UBJSON format convertible to an input adapter + @param[in] strict whether to expect the input to be consumed until EOF + (true by default) + @param[in] allow_exceptions whether to throw exceptions in case of a + parse error (optional, true by default) + + @return deserialized JSON value; in case of a parse error and + @a allow_exceptions set to `false`, the return value will be + value_t::discarded. + + @throw parse_error.110 if the given input ends prematurely or the end of + file was not reached when @a strict was set to true + @throw parse_error.112 if a parse error occurs + @throw parse_error.113 if a string could not be parsed successfully + + @complexity Linear in the size of the input @a i. + + @liveexample{The example shows the deserialization of a byte vector in + UBJSON format to a JSON value.,from_ubjson} + + @sa http://ubjson.org + @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the + analogous serialization + @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the + related CBOR format + @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for + the related MessagePack format + @sa @ref from_bson(detail::input_adapter&&, const bool, const bool) for + the related BSON format + + @since version 3.1.0; added @a allow_exceptions parameter since 3.2.0 + */ + template + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json from_ubjson(InputType&& i, + const bool strict = true, + const bool allow_exceptions = true) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = detail::input_adapter(std::forward(i)); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); + return res ? result : basic_json(value_t::discarded); + } + + /*! + @copydoc from_ubjson(detail::input_adapter&&, const bool, const bool) + */ + template + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json from_ubjson(IteratorType first, IteratorType last, + const bool strict = true, + const bool allow_exceptions = true) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = detail::input_adapter(std::move(first), std::move(last)); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); + return res ? result : basic_json(value_t::discarded); + } + + template + JSON_HEDLEY_WARN_UNUSED_RESULT + JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_ubjson(ptr, ptr + len)) + static basic_json from_ubjson(const T* ptr, std::size_t len, + const bool strict = true, + const bool allow_exceptions = true) + { + return from_ubjson(ptr, ptr + len, strict, allow_exceptions); + } + + JSON_HEDLEY_WARN_UNUSED_RESULT + JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_ubjson(ptr, ptr + len)) + static basic_json from_ubjson(detail::span_input_adapter&& i, + const bool strict = true, + const bool allow_exceptions = true) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = i.get(); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); + return res ? result : basic_json(value_t::discarded); + } + + + /*! + @brief Create a JSON value from an input in BSON format + + Deserializes a given input @a i to a JSON value using the BSON (Binary JSON) + serialization format. + + The library maps BSON record types to JSON value types as follows: + + BSON type | BSON marker byte | JSON value type + --------------- | ---------------- | --------------------------- + double | 0x01 | number_float + string | 0x02 | string + document | 0x03 | object + array | 0x04 | array + binary | 0x05 | still unsupported + undefined | 0x06 | still unsupported + ObjectId | 0x07 | still unsupported + boolean | 0x08 | boolean + UTC Date-Time | 0x09 | still unsupported + null | 0x0A | null + Regular Expr. | 0x0B | still unsupported + DB Pointer | 0x0C | still unsupported + JavaScript Code | 0x0D | still unsupported + Symbol | 0x0E | still unsupported + JavaScript Code | 0x0F | still unsupported + int32 | 0x10 | number_integer + Timestamp | 0x11 | still unsupported + 128-bit decimal float | 0x13 | still unsupported + Max Key | 0x7F | still unsupported + Min Key | 0xFF | still unsupported + + @warning The mapping is **incomplete**. The unsupported mappings + are indicated in the table above. + + @param[in] i an input in BSON format convertible to an input adapter + @param[in] strict whether to expect the input to be consumed until EOF + (true by default) + @param[in] allow_exceptions whether to throw exceptions in case of a + parse error (optional, true by default) + + @return deserialized JSON value; in case of a parse error and + @a allow_exceptions set to `false`, the return value will be + value_t::discarded. + + @throw parse_error.114 if an unsupported BSON record type is encountered + + @complexity Linear in the size of the input @a i. + + @liveexample{The example shows the deserialization of a byte vector in + BSON format to a JSON value.,from_bson} + + @sa http://bsonspec.org/spec.html + @sa @ref to_bson(const basic_json&) for the analogous serialization + @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the + related CBOR format + @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for + the related MessagePack format + @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the + related UBJSON format + */ + template + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json from_bson(InputType&& i, + const bool strict = true, + const bool allow_exceptions = true) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = detail::input_adapter(std::forward(i)); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); + return res ? result : basic_json(value_t::discarded); + } + + /*! + @copydoc from_bson(detail::input_adapter&&, const bool, const bool) + */ + template + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json from_bson(IteratorType first, IteratorType last, + const bool strict = true, + const bool allow_exceptions = true) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = detail::input_adapter(std::move(first), std::move(last)); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); + return res ? result : basic_json(value_t::discarded); + } + + template + JSON_HEDLEY_WARN_UNUSED_RESULT + JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_bson(ptr, ptr + len)) + static basic_json from_bson(const T* ptr, std::size_t len, + const bool strict = true, + const bool allow_exceptions = true) + { + return from_bson(ptr, ptr + len, strict, allow_exceptions); + } + + JSON_HEDLEY_WARN_UNUSED_RESULT + JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_bson(ptr, ptr + len)) + static basic_json from_bson(detail::span_input_adapter&& i, + const bool strict = true, + const bool allow_exceptions = true) + { + basic_json result; + detail::json_sax_dom_parser sdp(result, allow_exceptions); + auto ia = i.get(); + const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); + return res ? result : basic_json(value_t::discarded); + } + /// @} + + ////////////////////////// + // JSON Pointer support // + ////////////////////////// + + /// @name JSON Pointer functions + /// @{ + + /*! + @brief access specified element via JSON Pointer + + Uses a JSON pointer to retrieve a reference to the respective JSON value. + No bound checking is performed. Similar to @ref operator[](const typename + object_t::key_type&), `null` values are created in arrays and objects if + necessary. + + In particular: + - If the JSON pointer points to an object key that does not exist, it + is created an filled with a `null` value before a reference to it + is returned. + - If the JSON pointer points to an array index that does not exist, it + is created an filled with a `null` value before a reference to it + is returned. All indices between the current maximum and the given + index are also filled with `null`. + - The special value `-` is treated as a synonym for the index past the + end. + + @param[in] ptr a JSON pointer + + @return reference to the element pointed to by @a ptr + + @complexity Constant. + + @throw parse_error.106 if an array index begins with '0' + @throw parse_error.109 if an array index was not a number + @throw out_of_range.404 if the JSON pointer can not be resolved + + @liveexample{The behavior is shown in the example.,operatorjson_pointer} + + @since version 2.0.0 + */ + reference operator[](const json_pointer& ptr) + { + return ptr.get_unchecked(this); + } + + /*! + @brief access specified element via JSON Pointer + + Uses a JSON pointer to retrieve a reference to the respective JSON value. + No bound checking is performed. The function does not change the JSON + value; no `null` values are created. In particular, the special value + `-` yields an exception. + + @param[in] ptr JSON pointer to the desired element + + @return const reference to the element pointed to by @a ptr + + @complexity Constant. + + @throw parse_error.106 if an array index begins with '0' + @throw parse_error.109 if an array index was not a number + @throw out_of_range.402 if the array index '-' is used + @throw out_of_range.404 if the JSON pointer can not be resolved + + @liveexample{The behavior is shown in the example.,operatorjson_pointer_const} + + @since version 2.0.0 + */ + const_reference operator[](const json_pointer& ptr) const + { + return ptr.get_unchecked(this); + } + + /*! + @brief access specified element via JSON Pointer + + Returns a reference to the element at with specified JSON pointer @a ptr, + with bounds checking. + + @param[in] ptr JSON pointer to the desired element + + @return reference to the element pointed to by @a ptr + + @throw parse_error.106 if an array index in the passed JSON pointer @a ptr + begins with '0'. See example below. + + @throw parse_error.109 if an array index in the passed JSON pointer @a ptr + is not a number. See example below. + + @throw out_of_range.401 if an array index in the passed JSON pointer @a ptr + is out of range. See example below. + + @throw out_of_range.402 if the array index '-' is used in the passed JSON + pointer @a ptr. As `at` provides checked access (and no elements are + implicitly inserted), the index '-' is always invalid. See example below. + + @throw out_of_range.403 if the JSON pointer describes a key of an object + which cannot be found. See example below. + + @throw out_of_range.404 if the JSON pointer @a ptr can not be resolved. + See example below. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes in the JSON value. + + @complexity Constant. + + @since version 2.0.0 + + @liveexample{The behavior is shown in the example.,at_json_pointer} + */ + reference at(const json_pointer& ptr) + { + return ptr.get_checked(this); + } + + /*! + @brief access specified element via JSON Pointer + + Returns a const reference to the element at with specified JSON pointer @a + ptr, with bounds checking. + + @param[in] ptr JSON pointer to the desired element + + @return reference to the element pointed to by @a ptr + + @throw parse_error.106 if an array index in the passed JSON pointer @a ptr + begins with '0'. See example below. + + @throw parse_error.109 if an array index in the passed JSON pointer @a ptr + is not a number. See example below. + + @throw out_of_range.401 if an array index in the passed JSON pointer @a ptr + is out of range. See example below. + + @throw out_of_range.402 if the array index '-' is used in the passed JSON + pointer @a ptr. As `at` provides checked access (and no elements are + implicitly inserted), the index '-' is always invalid. See example below. + + @throw out_of_range.403 if the JSON pointer describes a key of an object + which cannot be found. See example below. + + @throw out_of_range.404 if the JSON pointer @a ptr can not be resolved. + See example below. + + @exceptionsafety Strong guarantee: if an exception is thrown, there are no + changes in the JSON value. + + @complexity Constant. + + @since version 2.0.0 + + @liveexample{The behavior is shown in the example.,at_json_pointer_const} + */ + const_reference at(const json_pointer& ptr) const + { + return ptr.get_checked(this); + } + + /*! + @brief return flattened JSON value + + The function creates a JSON object whose keys are JSON pointers (see [RFC + 6901](https://tools.ietf.org/html/rfc6901)) and whose values are all + primitive. The original JSON value can be restored using the @ref + unflatten() function. + + @return an object that maps JSON pointers to primitive values + + @note Empty objects and arrays are flattened to `null` and will not be + reconstructed correctly by the @ref unflatten() function. + + @complexity Linear in the size the JSON value. + + @liveexample{The following code shows how a JSON object is flattened to an + object whose keys consist of JSON pointers.,flatten} + + @sa @ref unflatten() for the reverse function + + @since version 2.0.0 + */ + basic_json flatten() const + { + basic_json result(value_t::object); + json_pointer::flatten("", *this, result); + return result; + } + + /*! + @brief unflatten a previously flattened JSON value + + The function restores the arbitrary nesting of a JSON value that has been + flattened before using the @ref flatten() function. The JSON value must + meet certain constraints: + 1. The value must be an object. + 2. The keys must be JSON pointers (see + [RFC 6901](https://tools.ietf.org/html/rfc6901)) + 3. The mapped values must be primitive JSON types. + + @return the original JSON from a flattened version + + @note Empty objects and arrays are flattened by @ref flatten() to `null` + values and can not unflattened to their original type. Apart from + this example, for a JSON value `j`, the following is always true: + `j == j.flatten().unflatten()`. + + @complexity Linear in the size the JSON value. + + @throw type_error.314 if value is not an object + @throw type_error.315 if object values are not primitive + + @liveexample{The following code shows how a flattened JSON object is + unflattened into the original nested JSON object.,unflatten} + + @sa @ref flatten() for the reverse function + + @since version 2.0.0 + */ + basic_json unflatten() const + { + return json_pointer::unflatten(*this); + } + + /// @} + + ////////////////////////// + // JSON Patch functions // + ////////////////////////// + + /// @name JSON Patch functions + /// @{ + + /*! + @brief applies a JSON patch + + [JSON Patch](http://jsonpatch.com) defines a JSON document structure for + expressing a sequence of operations to apply to a JSON) document. With + this function, a JSON Patch is applied to the current JSON value by + executing all operations from the patch. + + @param[in] json_patch JSON patch document + @return patched document + + @note The application of a patch is atomic: Either all operations succeed + and the patched document is returned or an exception is thrown. In + any case, the original value is not changed: the patch is applied + to a copy of the value. + + @throw parse_error.104 if the JSON patch does not consist of an array of + objects + + @throw parse_error.105 if the JSON patch is malformed (e.g., mandatory + attributes are missing); example: `"operation add must have member path"` + + @throw out_of_range.401 if an array index is out of range. + + @throw out_of_range.403 if a JSON pointer inside the patch could not be + resolved successfully in the current JSON value; example: `"key baz not + found"` + + @throw out_of_range.405 if JSON pointer has no parent ("add", "remove", + "move") + + @throw other_error.501 if "test" operation was unsuccessful + + @complexity Linear in the size of the JSON value and the length of the + JSON patch. As usually only a fraction of the JSON value is affected by + the patch, the complexity can usually be neglected. + + @liveexample{The following code shows how a JSON patch is applied to a + value.,patch} + + @sa @ref diff -- create a JSON patch by comparing two JSON values + + @sa [RFC 6902 (JSON Patch)](https://tools.ietf.org/html/rfc6902) + @sa [RFC 6901 (JSON Pointer)](https://tools.ietf.org/html/rfc6901) + + @since version 2.0.0 + */ + basic_json patch(const basic_json& json_patch) const + { + // make a working copy to apply the patch to + basic_json result = *this; + + // the valid JSON Patch operations + enum class patch_operations {add, remove, replace, move, copy, test, invalid}; + + const auto get_op = [](const std::string & op) + { + if (op == "add") + { + return patch_operations::add; + } + if (op == "remove") + { + return patch_operations::remove; + } + if (op == "replace") + { + return patch_operations::replace; + } + if (op == "move") + { + return patch_operations::move; + } + if (op == "copy") + { + return patch_operations::copy; + } + if (op == "test") + { + return patch_operations::test; + } + + return patch_operations::invalid; + }; + + // wrapper for "add" operation; add value at ptr + const auto operation_add = [&result](json_pointer & ptr, basic_json val) + { + // adding to the root of the target document means replacing it + if (ptr.empty()) + { + result = val; + return; + } + + // make sure the top element of the pointer exists + json_pointer top_pointer = ptr.top(); + if (top_pointer != ptr) + { + result.at(top_pointer); + } + + // get reference to parent of JSON pointer ptr + const auto last_path = ptr.back(); + ptr.pop_back(); + basic_json& parent = result[ptr]; + + switch (parent.m_type) + { + case value_t::null: + case value_t::object: + { + // use operator[] to add value + parent[last_path] = val; + break; + } + + case value_t::array: + { + if (last_path == "-") + { + // special case: append to back + parent.push_back(val); + } + else + { + const auto idx = json_pointer::array_index(last_path); + if (JSON_HEDLEY_UNLIKELY(idx > parent.size())) + { + // avoid undefined behavior + JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); + } + + // default case: insert add offset + parent.insert(parent.begin() + static_cast(idx), val); + } + break; + } + + // if there exists a parent it cannot be primitive + default: // LCOV_EXCL_LINE + JSON_ASSERT(false); // LCOV_EXCL_LINE + } + }; + + // wrapper for "remove" operation; remove value at ptr + const auto operation_remove = [&result](json_pointer & ptr) + { + // get reference to parent of JSON pointer ptr + const auto last_path = ptr.back(); + ptr.pop_back(); + basic_json& parent = result.at(ptr); + + // remove child + if (parent.is_object()) + { + // perform range check + auto it = parent.find(last_path); + if (JSON_HEDLEY_LIKELY(it != parent.end())) + { + parent.erase(it); + } + else + { + JSON_THROW(out_of_range::create(403, "key '" + last_path + "' not found")); + } + } + else if (parent.is_array()) + { + // note erase performs range check + parent.erase(json_pointer::array_index(last_path)); + } + }; + + // type check: top level value must be an array + if (JSON_HEDLEY_UNLIKELY(!json_patch.is_array())) + { + JSON_THROW(parse_error::create(104, 0, "JSON patch must be an array of objects")); + } + + // iterate and apply the operations + for (const auto& val : json_patch) + { + // wrapper to get a value for an operation + const auto get_value = [&val](const std::string & op, + const std::string & member, + bool string_type) -> basic_json & + { + // find value + auto it = val.m_value.object->find(member); + + // context-sensitive error message + const auto error_msg = (op == "op") ? "operation" : "operation '" + op + "'"; + + // check if desired value is present + if (JSON_HEDLEY_UNLIKELY(it == val.m_value.object->end())) + { + JSON_THROW(parse_error::create(105, 0, error_msg + " must have member '" + member + "'")); + } + + // check if result is of type string + if (JSON_HEDLEY_UNLIKELY(string_type && !it->second.is_string())) + { + JSON_THROW(parse_error::create(105, 0, error_msg + " must have string member '" + member + "'")); + } + + // no error: return value + return it->second; + }; + + // type check: every element of the array must be an object + if (JSON_HEDLEY_UNLIKELY(!val.is_object())) + { + JSON_THROW(parse_error::create(104, 0, "JSON patch must be an array of objects")); + } + + // collect mandatory members + const auto op = get_value("op", "op", true).template get(); + const auto path = get_value(op, "path", true).template get(); + json_pointer ptr(path); + + switch (get_op(op)) + { + case patch_operations::add: + { + operation_add(ptr, get_value("add", "value", false)); + break; + } + + case patch_operations::remove: + { + operation_remove(ptr); + break; + } + + case patch_operations::replace: + { + // the "path" location must exist - use at() + result.at(ptr) = get_value("replace", "value", false); + break; + } + + case patch_operations::move: + { + const auto from_path = get_value("move", "from", true).template get(); + json_pointer from_ptr(from_path); + + // the "from" location must exist - use at() + basic_json v = result.at(from_ptr); + + // The move operation is functionally identical to a + // "remove" operation on the "from" location, followed + // immediately by an "add" operation at the target + // location with the value that was just removed. + operation_remove(from_ptr); + operation_add(ptr, v); + break; + } + + case patch_operations::copy: + { + const auto from_path = get_value("copy", "from", true).template get(); + const json_pointer from_ptr(from_path); + + // the "from" location must exist - use at() + basic_json v = result.at(from_ptr); + + // The copy is functionally identical to an "add" + // operation at the target location using the value + // specified in the "from" member. + operation_add(ptr, v); + break; + } + + case patch_operations::test: + { + bool success = false; + JSON_TRY + { + // check if "value" matches the one at "path" + // the "path" location must exist - use at() + success = (result.at(ptr) == get_value("test", "value", false)); + } + JSON_INTERNAL_CATCH (out_of_range&) + { + // ignore out of range errors: success remains false + } + + // throw an exception if test fails + if (JSON_HEDLEY_UNLIKELY(!success)) + { + JSON_THROW(other_error::create(501, "unsuccessful: " + val.dump())); + } + + break; + } + + default: + { + // op must be "add", "remove", "replace", "move", "copy", or + // "test" + JSON_THROW(parse_error::create(105, 0, "operation value '" + op + "' is invalid")); + } + } + } + + return result; + } + + /*! + @brief creates a diff as a JSON patch + + Creates a [JSON Patch](http://jsonpatch.com) so that value @a source can + be changed into the value @a target by calling @ref patch function. + + @invariant For two JSON values @a source and @a target, the following code + yields always `true`: + @code {.cpp} + source.patch(diff(source, target)) == target; + @endcode + + @note Currently, only `remove`, `add`, and `replace` operations are + generated. + + @param[in] source JSON value to compare from + @param[in] target JSON value to compare against + @param[in] path helper value to create JSON pointers + + @return a JSON patch to convert the @a source to @a target + + @complexity Linear in the lengths of @a source and @a target. + + @liveexample{The following code shows how a JSON patch is created as a + diff for two JSON values.,diff} + + @sa @ref patch -- apply a JSON patch + @sa @ref merge_patch -- apply a JSON Merge Patch + + @sa [RFC 6902 (JSON Patch)](https://tools.ietf.org/html/rfc6902) + + @since version 2.0.0 + */ + JSON_HEDLEY_WARN_UNUSED_RESULT + static basic_json diff(const basic_json& source, const basic_json& target, + const std::string& path = "") + { + // the patch + basic_json result(value_t::array); + + // if the values are the same, return empty patch + if (source == target) + { + return result; + } + + if (source.type() != target.type()) + { + // different types: replace value + result.push_back( + { + {"op", "replace"}, {"path", path}, {"value", target} + }); + return result; + } + + switch (source.type()) + { + case value_t::array: + { + // first pass: traverse common elements + std::size_t i = 0; + while (i < source.size() && i < target.size()) + { + // recursive call to compare array values at index i + auto temp_diff = diff(source[i], target[i], path + "/" + std::to_string(i)); + result.insert(result.end(), temp_diff.begin(), temp_diff.end()); + ++i; + } + + // i now reached the end of at least one array + // in a second pass, traverse the remaining elements + + // remove my remaining elements + const auto end_index = static_cast(result.size()); + while (i < source.size()) + { + // add operations in reverse order to avoid invalid + // indices + result.insert(result.begin() + end_index, object( + { + {"op", "remove"}, + {"path", path + "/" + std::to_string(i)} + })); + ++i; + } + + // add other remaining elements + while (i < target.size()) + { + result.push_back( + { + {"op", "add"}, + {"path", path + "/-"}, + {"value", target[i]} + }); + ++i; + } + + break; + } + + case value_t::object: + { + // first pass: traverse this object's elements + for (auto it = source.cbegin(); it != source.cend(); ++it) + { + // escape the key name to be used in a JSON patch + const auto key = json_pointer::escape(it.key()); + + if (target.find(it.key()) != target.end()) + { + // recursive call to compare object values at key it + auto temp_diff = diff(it.value(), target[it.key()], path + "/" + key); + result.insert(result.end(), temp_diff.begin(), temp_diff.end()); + } + else + { + // found a key that is not in o -> remove it + result.push_back(object( + { + {"op", "remove"}, {"path", path + "/" + key} + })); + } + } + + // second pass: traverse other object's elements + for (auto it = target.cbegin(); it != target.cend(); ++it) + { + if (source.find(it.key()) == source.end()) + { + // found a key that is not in this -> add it + const auto key = json_pointer::escape(it.key()); + result.push_back( + { + {"op", "add"}, {"path", path + "/" + key}, + {"value", it.value()} + }); + } + } + + break; + } + + default: + { + // both primitive type: replace value + result.push_back( + { + {"op", "replace"}, {"path", path}, {"value", target} + }); + break; + } + } + + return result; + } + + /// @} + + //////////////////////////////// + // JSON Merge Patch functions // + //////////////////////////////// + + /// @name JSON Merge Patch functions + /// @{ + + /*! + @brief applies a JSON Merge Patch + + The merge patch format is primarily intended for use with the HTTP PATCH + method as a means of describing a set of modifications to a target + resource's content. This function applies a merge patch to the current + JSON value. + + The function implements the following algorithm from Section 2 of + [RFC 7396 (JSON Merge Patch)](https://tools.ietf.org/html/rfc7396): + + ``` + define MergePatch(Target, Patch): + if Patch is an Object: + if Target is not an Object: + Target = {} // Ignore the contents and set it to an empty Object + for each Name/Value pair in Patch: + if Value is null: + if Name exists in Target: + remove the Name/Value pair from Target + else: + Target[Name] = MergePatch(Target[Name], Value) + return Target + else: + return Patch + ``` + + Thereby, `Target` is the current object; that is, the patch is applied to + the current value. + + @param[in] apply_patch the patch to apply + + @complexity Linear in the lengths of @a patch. + + @liveexample{The following code shows how a JSON Merge Patch is applied to + a JSON document.,merge_patch} + + @sa @ref patch -- apply a JSON patch + @sa [RFC 7396 (JSON Merge Patch)](https://tools.ietf.org/html/rfc7396) + + @since version 3.0.0 + */ + void merge_patch(const basic_json& apply_patch) + { + if (apply_patch.is_object()) + { + if (!is_object()) + { + *this = object(); + } + for (auto it = apply_patch.begin(); it != apply_patch.end(); ++it) + { + if (it.value().is_null()) + { + erase(it.key()); + } + else + { + operator[](it.key()).merge_patch(it.value()); + } + } + } + else + { + *this = apply_patch; + } + } + + /// @} +}; + +/*! +@brief user-defined to_string function for JSON values + +This function implements a user-defined to_string for JSON objects. + +@param[in] j a JSON object +@return a std::string object +*/ + +NLOHMANN_BASIC_JSON_TPL_DECLARATION +std::string to_string(const NLOHMANN_BASIC_JSON_TPL& j) +{ + return j.dump(); +} +} // namespace nlohmann + +/////////////////////// +// nonmember support // +/////////////////////// + +// specialization of std::swap, and std::hash +namespace std +{ + +/// hash value for JSON objects +template<> +struct hash +{ + /*! + @brief return a hash value for a JSON object + + @since version 1.0.0 + */ + std::size_t operator()(const nlohmann::json& j) const + { + return nlohmann::detail::hash(j); + } +}; + +/// specialization for std::less +/// @note: do not remove the space after '<', +/// see https://github.com/nlohmann/json/pull/679 +template<> +struct less<::nlohmann::detail::value_t> +{ + /*! + @brief compare two value_t enum values + @since version 3.0.0 + */ + bool operator()(nlohmann::detail::value_t lhs, + nlohmann::detail::value_t rhs) const noexcept + { + return nlohmann::detail::operator<(lhs, rhs); + } +}; + +// C++20 prohibit function specialization in the std namespace. +#ifndef JSON_HAS_CPP_20 + +/*! +@brief exchanges the values of two JSON objects + +@since version 1.0.0 +*/ +template<> +inline void swap(nlohmann::json& j1, nlohmann::json& j2) noexcept( + is_nothrow_move_constructible::value&& + is_nothrow_move_assignable::value + ) +{ + j1.swap(j2); +} + +#endif + +} // namespace std + +/*! +@brief user-defined string literal for JSON values + +This operator implements a user-defined string literal for JSON objects. It +can be used by adding `"_json"` to a string literal and returns a JSON object +if no parse error occurred. + +@param[in] s a string representation of a JSON object +@param[in] n the length of string @a s +@return a JSON object + +@since version 1.0.0 +*/ +JSON_HEDLEY_NON_NULL(1) +inline nlohmann::json operator "" _json(const char* s, std::size_t n) +{ + return nlohmann::json::parse(s, s + n); +} + +/*! +@brief user-defined string literal for JSON pointer + +This operator implements a user-defined string literal for JSON Pointers. It +can be used by adding `"_json_pointer"` to a string literal and returns a JSON pointer +object if no parse error occurred. + +@param[in] s a string representation of a JSON Pointer +@param[in] n the length of string @a s +@return a JSON pointer object + +@since version 2.0.0 +*/ +JSON_HEDLEY_NON_NULL(1) +inline nlohmann::json::json_pointer operator "" _json_pointer(const char* s, std::size_t n) +{ + return nlohmann::json::json_pointer(std::string(s, n)); +} + +// #include + + +// restore GCC/clang diagnostic settings +#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) + #pragma GCC diagnostic pop +#endif +#if defined(__clang__) + #pragma GCC diagnostic pop +#endif + +// clean up +#undef JSON_ASSERT +#undef JSON_INTERNAL_CATCH +#undef JSON_CATCH +#undef JSON_THROW +#undef JSON_TRY +#undef JSON_HAS_CPP_14 +#undef JSON_HAS_CPP_17 +#undef NLOHMANN_BASIC_JSON_TPL_DECLARATION +#undef NLOHMANN_BASIC_JSON_TPL +#undef JSON_EXPLICIT + +// #include +#undef JSON_HEDLEY_ALWAYS_INLINE +#undef JSON_HEDLEY_ARM_VERSION +#undef JSON_HEDLEY_ARM_VERSION_CHECK +#undef JSON_HEDLEY_ARRAY_PARAM +#undef JSON_HEDLEY_ASSUME +#undef JSON_HEDLEY_BEGIN_C_DECLS +#undef JSON_HEDLEY_CLANG_HAS_ATTRIBUTE +#undef JSON_HEDLEY_CLANG_HAS_BUILTIN +#undef JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE +#undef JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE +#undef JSON_HEDLEY_CLANG_HAS_EXTENSION +#undef JSON_HEDLEY_CLANG_HAS_FEATURE +#undef JSON_HEDLEY_CLANG_HAS_WARNING +#undef JSON_HEDLEY_COMPCERT_VERSION +#undef JSON_HEDLEY_COMPCERT_VERSION_CHECK +#undef JSON_HEDLEY_CONCAT +#undef JSON_HEDLEY_CONCAT3 +#undef JSON_HEDLEY_CONCAT3_EX +#undef JSON_HEDLEY_CONCAT_EX +#undef JSON_HEDLEY_CONST +#undef JSON_HEDLEY_CONSTEXPR +#undef JSON_HEDLEY_CONST_CAST +#undef JSON_HEDLEY_CPP_CAST +#undef JSON_HEDLEY_CRAY_VERSION +#undef JSON_HEDLEY_CRAY_VERSION_CHECK +#undef JSON_HEDLEY_C_DECL +#undef JSON_HEDLEY_DEPRECATED +#undef JSON_HEDLEY_DEPRECATED_FOR +#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL +#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ +#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED +#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES +#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS +#undef JSON_HEDLEY_DIAGNOSTIC_POP +#undef JSON_HEDLEY_DIAGNOSTIC_PUSH +#undef JSON_HEDLEY_DMC_VERSION +#undef JSON_HEDLEY_DMC_VERSION_CHECK +#undef JSON_HEDLEY_EMPTY_BASES +#undef JSON_HEDLEY_EMSCRIPTEN_VERSION +#undef JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK +#undef JSON_HEDLEY_END_C_DECLS +#undef JSON_HEDLEY_FLAGS +#undef JSON_HEDLEY_FLAGS_CAST +#undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE +#undef JSON_HEDLEY_GCC_HAS_BUILTIN +#undef JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE +#undef JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE +#undef JSON_HEDLEY_GCC_HAS_EXTENSION +#undef JSON_HEDLEY_GCC_HAS_FEATURE +#undef JSON_HEDLEY_GCC_HAS_WARNING +#undef JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK +#undef JSON_HEDLEY_GCC_VERSION +#undef JSON_HEDLEY_GCC_VERSION_CHECK +#undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE +#undef JSON_HEDLEY_GNUC_HAS_BUILTIN +#undef JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE +#undef JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE +#undef JSON_HEDLEY_GNUC_HAS_EXTENSION +#undef JSON_HEDLEY_GNUC_HAS_FEATURE +#undef JSON_HEDLEY_GNUC_HAS_WARNING +#undef JSON_HEDLEY_GNUC_VERSION +#undef JSON_HEDLEY_GNUC_VERSION_CHECK +#undef JSON_HEDLEY_HAS_ATTRIBUTE +#undef JSON_HEDLEY_HAS_BUILTIN +#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE +#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS +#undef JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE +#undef JSON_HEDLEY_HAS_EXTENSION +#undef JSON_HEDLEY_HAS_FEATURE +#undef JSON_HEDLEY_HAS_WARNING +#undef JSON_HEDLEY_IAR_VERSION +#undef JSON_HEDLEY_IAR_VERSION_CHECK +#undef JSON_HEDLEY_IBM_VERSION +#undef JSON_HEDLEY_IBM_VERSION_CHECK +#undef JSON_HEDLEY_IMPORT +#undef JSON_HEDLEY_INLINE +#undef JSON_HEDLEY_INTEL_VERSION +#undef JSON_HEDLEY_INTEL_VERSION_CHECK +#undef JSON_HEDLEY_IS_CONSTANT +#undef JSON_HEDLEY_IS_CONSTEXPR_ +#undef JSON_HEDLEY_LIKELY +#undef JSON_HEDLEY_MALLOC +#undef JSON_HEDLEY_MESSAGE +#undef JSON_HEDLEY_MSVC_VERSION +#undef JSON_HEDLEY_MSVC_VERSION_CHECK +#undef JSON_HEDLEY_NEVER_INLINE +#undef JSON_HEDLEY_NON_NULL +#undef JSON_HEDLEY_NO_ESCAPE +#undef JSON_HEDLEY_NO_RETURN +#undef JSON_HEDLEY_NO_THROW +#undef JSON_HEDLEY_NULL +#undef JSON_HEDLEY_PELLES_VERSION +#undef JSON_HEDLEY_PELLES_VERSION_CHECK +#undef JSON_HEDLEY_PGI_VERSION +#undef JSON_HEDLEY_PGI_VERSION_CHECK +#undef JSON_HEDLEY_PREDICT +#undef JSON_HEDLEY_PRINTF_FORMAT +#undef JSON_HEDLEY_PRIVATE +#undef JSON_HEDLEY_PUBLIC +#undef JSON_HEDLEY_PURE +#undef JSON_HEDLEY_REINTERPRET_CAST +#undef JSON_HEDLEY_REQUIRE +#undef JSON_HEDLEY_REQUIRE_CONSTEXPR +#undef JSON_HEDLEY_REQUIRE_MSG +#undef JSON_HEDLEY_RESTRICT +#undef JSON_HEDLEY_RETURNS_NON_NULL +#undef JSON_HEDLEY_SENTINEL +#undef JSON_HEDLEY_STATIC_ASSERT +#undef JSON_HEDLEY_STATIC_CAST +#undef JSON_HEDLEY_STRINGIFY +#undef JSON_HEDLEY_STRINGIFY_EX +#undef JSON_HEDLEY_SUNPRO_VERSION +#undef JSON_HEDLEY_SUNPRO_VERSION_CHECK +#undef JSON_HEDLEY_TINYC_VERSION +#undef JSON_HEDLEY_TINYC_VERSION_CHECK +#undef JSON_HEDLEY_TI_ARMCL_VERSION +#undef JSON_HEDLEY_TI_ARMCL_VERSION_CHECK +#undef JSON_HEDLEY_TI_CL2000_VERSION +#undef JSON_HEDLEY_TI_CL2000_VERSION_CHECK +#undef JSON_HEDLEY_TI_CL430_VERSION +#undef JSON_HEDLEY_TI_CL430_VERSION_CHECK +#undef JSON_HEDLEY_TI_CL6X_VERSION +#undef JSON_HEDLEY_TI_CL6X_VERSION_CHECK +#undef JSON_HEDLEY_TI_CL7X_VERSION +#undef JSON_HEDLEY_TI_CL7X_VERSION_CHECK +#undef JSON_HEDLEY_TI_CLPRU_VERSION +#undef JSON_HEDLEY_TI_CLPRU_VERSION_CHECK +#undef JSON_HEDLEY_TI_VERSION +#undef JSON_HEDLEY_TI_VERSION_CHECK +#undef JSON_HEDLEY_UNAVAILABLE +#undef JSON_HEDLEY_UNLIKELY +#undef JSON_HEDLEY_UNPREDICTABLE +#undef JSON_HEDLEY_UNREACHABLE +#undef JSON_HEDLEY_UNREACHABLE_RETURN +#undef JSON_HEDLEY_VERSION +#undef JSON_HEDLEY_VERSION_DECODE_MAJOR +#undef JSON_HEDLEY_VERSION_DECODE_MINOR +#undef JSON_HEDLEY_VERSION_DECODE_REVISION +#undef JSON_HEDLEY_VERSION_ENCODE +#undef JSON_HEDLEY_WARNING +#undef JSON_HEDLEY_WARN_UNUSED_RESULT +#undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG +#undef JSON_HEDLEY_FALL_THROUGH + + + +#endif // INCLUDE_NLOHMANN_JSON_HPP_ diff --git a/sdk/include/hv/md5.h b/sdk/include/hv/md5.h new file mode 100644 index 0000000..9909856 --- /dev/null +++ b/sdk/include/hv/md5.h @@ -0,0 +1,25 @@ +#ifndef HV_MD5_H_ +#define HV_MD5_H_ + +#include "hexport.h" + +typedef struct { + unsigned int count[2]; + unsigned int state[4]; + unsigned char buffer[64]; +} HV_MD5_CTX; + +BEGIN_EXTERN_C + +HV_EXPORT void HV_MD5Init(HV_MD5_CTX *ctx); +HV_EXPORT void HV_MD5Update(HV_MD5_CTX *ctx, unsigned char *input, unsigned int inputlen); +HV_EXPORT void HV_MD5Final(HV_MD5_CTX *ctx, unsigned char digest[16]); + +HV_EXPORT void hv_md5(unsigned char* input, unsigned int inputlen, unsigned char digest[16]); + +// NOTE: if outputlen > 32: output[32] = '\0' +HV_EXPORT void hv_md5_hex(unsigned char* input, unsigned int inputlen, char* output, unsigned int outputlen); + +END_EXTERN_C + +#endif // HV_MD5_H_ diff --git a/sdk/include/hv/mqtt_client.h b/sdk/include/hv/mqtt_client.h new file mode 100644 index 0000000..62d5a2a --- /dev/null +++ b/sdk/include/hv/mqtt_client.h @@ -0,0 +1,128 @@ +#ifndef HV_MQTT_CLIENT_H_ +#define HV_MQTT_CLIENT_H_ + +#include "mqtt_protocol.h" +#include "hloop.h" +#include "hssl.h" +#include "hmutex.h" + +#define DEFAULT_MQTT_KEEPALIVE 60 // s + +typedef struct mqtt_client_s mqtt_client_t; + +// @type mqtt_type_e +// @example examples/mqtt +typedef void (*mqtt_client_cb)(mqtt_client_t* cli, int type); + +struct mqtt_client_s { + // connect: host:port + char host[256]; + int port; + int connect_timeout; // ms + // reconnect + reconn_setting_t* reconn_setting; + // login: flags + keepalive + client_id + will + username + password + // flags + unsigned char protocol_version; // Default MQTT_PROTOCOL_V311 + unsigned char clean_session: 1; + unsigned char ssl: 1; // Read Only + unsigned char alloced_ssl_ctx: 1; // intern + unsigned char connected : 1; + unsigned short keepalive; + char client_id[64]; + // will + mqtt_message_t* will; + // auth + char username[64]; + char password[64]; + // message + mqtt_head_t head; + int error; // for MQTT_TYPE_CONNACK + int mid; // for MQTT_TYPE_SUBACK, MQTT_TYPE_PUBACK + mqtt_message_t message; // for MQTT_TYPE_PUBLISH + // callback + mqtt_client_cb cb; + // userdata + void* userdata; + // privdata + hloop_t* loop; + hio_t* io; + htimer_t* reconn_timer; + // SSL/TLS + hssl_ctx_t ssl_ctx; + // thread-safe + hmutex_t mutex_; +}; + +BEGIN_EXTERN_C + +// hloop_new -> malloc(mqtt_client_t) +HV_EXPORT mqtt_client_t* mqtt_client_new(hloop_t* loop DEFAULT(NULL)); +// @see hloop_run +HV_EXPORT void mqtt_client_run (mqtt_client_t* cli); +// @see hloop_stop +HV_EXPORT void mqtt_client_stop(mqtt_client_t* cli); +// hloop_free -> free(mqtt_client_t) +HV_EXPORT void mqtt_client_free(mqtt_client_t* cli); + +// id +HV_EXPORT void mqtt_client_set_id(mqtt_client_t* cli, const char* id); + +// will +HV_EXPORT void mqtt_client_set_will(mqtt_client_t* cli, + mqtt_message_t* will); + +// auth +HV_EXPORT void mqtt_client_set_auth(mqtt_client_t* cli, + const char* username, const char* password); + +// callback +HV_EXPORT void mqtt_client_set_callback(mqtt_client_t* cli, mqtt_client_cb cb); + +// userdata +HV_EXPORT void mqtt_client_set_userdata(mqtt_client_t* cli, void* userdata); +HV_EXPORT void* mqtt_client_get_userdata(mqtt_client_t* cli); + +// error +HV_EXPORT int mqtt_client_get_last_error(mqtt_client_t* cli); + +// SSL/TLS +HV_EXPORT int mqtt_client_set_ssl_ctx(mqtt_client_t* cli, hssl_ctx_t ssl_ctx); +// hssl_ctx_new(opt) -> mqtt_client_set_ssl_ctx +HV_EXPORT int mqtt_client_new_ssl_ctx(mqtt_client_t* cli, hssl_ctx_opt_t* opt); + +// reconnect +HV_EXPORT int mqtt_client_set_reconnect(mqtt_client_t* cli, + reconn_setting_t* reconn); +HV_EXPORT int mqtt_client_reconnect(mqtt_client_t* cli); + +// connect +// hio_create_socket -> hio_connect -> +// on_connect -> mqtt_client_login -> +// on_connack +HV_EXPORT void mqtt_client_set_connect_timeout(mqtt_client_t* cli, int ms); +HV_EXPORT int mqtt_client_connect(mqtt_client_t* cli, + const char* host, + int port DEFAULT(DEFAULT_MQTT_PORT), + int ssl DEFAULT(0)); +HV_EXPORT bool mqtt_client_is_connected(mqtt_client_t* cli); + +// disconnect +// @see hio_close +HV_EXPORT int mqtt_client_disconnect(mqtt_client_t* cli); + +// publish +HV_EXPORT int mqtt_client_publish(mqtt_client_t* cli, + mqtt_message_t* msg); + +// subscribe +HV_EXPORT int mqtt_client_subscribe(mqtt_client_t* cli, + const char* topic, int qos DEFAULT(0)); + +// unsubscribe +HV_EXPORT int mqtt_client_unsubscribe(mqtt_client_t* cli, + const char* topic); + +END_EXTERN_C + +#endif // HV_MQTT_CLIENT_H_ diff --git a/sdk/include/hv/mqtt_protocol.h b/sdk/include/hv/mqtt_protocol.h new file mode 100644 index 0000000..57343e1 --- /dev/null +++ b/sdk/include/hv/mqtt_protocol.h @@ -0,0 +1,82 @@ +#ifndef HV_MQTT_PROTOCOL_H_ +#define HV_MQTT_PROTOCOL_H_ + +#include "hexport.h" + +#define DEFAULT_MQTT_PORT 1883 + +#define MQTT_PROTOCOL_V31 3 +#define MQTT_PROTOCOL_V311 4 +#define MQTT_PROTOCOL_V5 5 // Not yet supproted + +#define MQTT_PROTOCOL_NAME "MQTT" +#define MQTT_PROTOCOL_NAME_v31 "MQIsdp" + +/* + * connect flags + * 0 1 2 3-4 5 6 7 + * reserved clean_session has_will will_qos will_retain has_password has_username + */ +#define MQTT_CONN_CLEAN_SESSION 0x02 +#define MQTT_CONN_HAS_WILL 0x04 +#define MQTT_CONN_WILL_RETAIN 0x20 +#define MQTT_CONN_HAS_PASSWORD 0x40 +#define MQTT_CONN_HAS_USERNAME 0x80 + +typedef enum { + MQTT_TYPE_CONNECT = 1, + MQTT_TYPE_CONNACK = 2, + MQTT_TYPE_PUBLISH = 3, + MQTT_TYPE_PUBACK = 4, + MQTT_TYPE_PUBREC = 5, + MQTT_TYPE_PUBREL = 6, + MQTT_TYPE_PUBCOMP = 7, + MQTT_TYPE_SUBSCRIBE = 8, + MQTT_TYPE_SUBACK = 9, + MQTT_TYPE_UNSUBSCRIBE = 10, + MQTT_TYPE_UNSUBACK = 11, + MQTT_TYPE_PINGREQ = 12, + MQTT_TYPE_PINGRESP = 13, + MQTT_TYPE_DISCONNECT = 14, +} mqtt_type_e; + +typedef enum { + MQTT_CONNACK_ACCEPTED = 0, + MQTT_CONNACK_REFUSED_PROTOCOL_VERSION = 1, + MQTT_CONNACK_REFUSED_IDENTIFIER_REJECTED = 2, + MQTT_CONNACK_REFUSED_SERVER_UNAVAILABLE = 3, + MQTT_CONNACK_REFUSED_BAD_USERNAME_PASSWORD = 4, + MQTT_CONNACK_REFUSED_NOT_AUTHORIZED = 5, +} mqtt_connack_e; + +typedef struct mqtt_head_s { + unsigned char type: 4; + unsigned char dup: 1; + unsigned char qos: 2; + unsigned char retain: 1; + unsigned int length; +} mqtt_head_t; + +typedef struct mqtt_message_s { + unsigned int topic_len; + const char* topic; + unsigned int payload_len; + const char* payload; + unsigned char qos; + unsigned char retain; +} mqtt_message_t; + +BEGIN_EXTERN_C + +#define DEFAULT_MQTT_PACKAGE_MAX_LENGTH (1 << 28) // 256M +HV_INLINE int mqtt_estimate_length(mqtt_head_t* head) { + // 28 bits => 4*7 bits varint + return 1 + 4 + head->length; +} + +HV_EXPORT int mqtt_head_pack(mqtt_head_t* head, unsigned char buf[]); +HV_EXPORT int mqtt_head_unpack(mqtt_head_t* head, const unsigned char* buf, int len); + +END_EXTERN_C + +#endif // HV_MQTT_PROTOCOL_H_ diff --git a/sdk/include/hv/nlog.h b/sdk/include/hv/nlog.h new file mode 100644 index 0000000..568cbbd --- /dev/null +++ b/sdk/include/hv/nlog.h @@ -0,0 +1,44 @@ +#ifndef HV_NLOG_H_ +#define HV_NLOG_H_ + +// nlog: extend hlog use hloop + +/* you can recv log by: + * Windows: telnet ip port + * Linux: nc ip port + */ + +/* + * @see examples/hloop_test.c +#include "hlog.h" +#include "nlog.h" + +void timer_write_log(htimer_t* timer) { + static int cnt = 0; + hlogi("[%d] Do you recv me?", ++cnt); +} + +int main() { + hloop_t* loop = hloop_new(0); + hlog_set_handler(network_logger); + nlog_listen(loop, DEFAULT_LOG_PORT); + htimer_add(loop, timer_write_log, 1000, INFINITE); + hloop_run(loop); + hloop_free(&loop); +} + */ + + +#include "hexport.h" +#include "hloop.h" + +#define DEFAULT_LOG_PORT 10514 + +BEGIN_EXTERN_C + +HV_EXPORT void network_logger(int loglevel, const char* buf, int len); +HV_EXPORT hio_t* nlog_listen(hloop_t* loop, int port); + +END_EXTERN_C + +#endif // HV_NLOG_H_ diff --git a/sdk/include/hv/requests.h b/sdk/include/hv/requests.h new file mode 100644 index 0000000..e261039 --- /dev/null +++ b/sdk/include/hv/requests.h @@ -0,0 +1,116 @@ +#ifndef HV_REQUESTS_H_ +#define HV_REQUESTS_H_ + +/* + * Inspired by python requests + * + * @code + +#include "requests.h" + +int main() { + auto resp = requests::get("http://127.0.0.1:8080/ping"); + if (resp == NULL) { + printf("request failed!\n"); + } else { + printf("%d %s\r\n", resp->status_code, resp->status_message()); + printf("%s\n", resp->body.c_str()); + } + + resp = requests::post("http://127.0.0.1:8080/echo", "hello,world!"); + if (resp == NULL) { + printf("request failed!\n"); + } else { + printf("%d %s\r\n", resp->status_code, resp->status_message()); + printf("%s\n", resp->body.c_str()); + } + + return 0; +} + +**/ + +#include +#include "http_client.h" + +namespace requests { + +typedef HttpRequestPtr Request; +typedef HttpResponsePtr Response; +typedef HttpResponseCallback ResponseCallback; + +HV_INLINE Response request(Request req) { + Response resp(new HttpResponse); + int ret = http_client_send(req.get(), resp.get()); + return ret ? NULL : resp; +} + +HV_INLINE Response request(http_method method, const char* url, const http_body& body = NoBody, const http_headers& headers = DefaultHeaders) { + Request req(new HttpRequest); + req->method = method; + req->url = url; + if (&body != &NoBody) { + req->body = body; + } + if (&headers != &DefaultHeaders) { + req->headers = headers; + } + return request(req); +} + +HV_INLINE Response uploadFile(http_method method, const char* url, const char* filepath, const http_headers& headers = DefaultHeaders) { + Request req(new HttpRequest); + req->method = method; + req->url = url; + if (req->File(filepath) != 200) return NULL; + if (&headers != &DefaultHeaders) { + req->headers = headers; + } + return request(req); +} + +#ifndef WITHOUT_HTTP_CONTENT +HV_INLINE Response uploadFormFile(http_method method, const char* url, const char* name, const char* filepath, const http_headers& headers = DefaultHeaders) { + Request req(new HttpRequest); + req->method = method; + req->url = url; + req->FormFile(name, filepath); + if (&headers != &DefaultHeaders) { + req->headers = headers; + } + return request(req); +} +#endif + +HV_INLINE Response head(const char* url, const http_headers& headers = DefaultHeaders) { + return request(HTTP_HEAD, url, NoBody, headers); +} + +HV_INLINE Response get(const char* url, const http_headers& headers = DefaultHeaders) { + return request(HTTP_GET, url, NoBody, headers); +} + +HV_INLINE Response post(const char* url, const http_body& body = NoBody, const http_headers& headers = DefaultHeaders) { + return request(HTTP_POST, url, body, headers); +} + +HV_INLINE Response put(const char* url, const http_body& body = NoBody, const http_headers& headers = DefaultHeaders) { + return request(HTTP_PUT, url, body, headers); +} + +HV_INLINE Response patch(const char* url, const http_body& body = NoBody, const http_headers& headers = DefaultHeaders) { + return request(HTTP_PATCH, url, body, headers); +} + +// delete is c++ keyword, we have to replace delete with Delete. +HV_INLINE Response Delete(const char* url, const http_headers& headers = DefaultHeaders) { + return request(HTTP_DELETE, url, NoBody, headers); +} + +HV_INLINE int async(Request req, ResponseCallback resp_cb) { + return http_client_send_async(req, std::move(resp_cb)); +} + +} + +#endif // HV_REQUESTS_H_ diff --git a/sdk/include/hv/sha1.h b/sdk/include/hv/sha1.h new file mode 100644 index 0000000..b2d0f23 --- /dev/null +++ b/sdk/include/hv/sha1.h @@ -0,0 +1,55 @@ +#ifndef HV_SHA1_H_ +#define HV_SHA1_H_ + +/* + SHA-1 in C + By Steve Reid + 100% Public Domain + */ + +/* for uint32_t */ +#include + +#include "hexport.h" + +typedef struct { + uint32_t state[5]; + uint32_t count[2]; + unsigned char buffer[64]; +} HV_SHA1_CTX; + +BEGIN_EXTERN_C + +HV_EXPORT void HV_SHA1Transform( + uint32_t state[5], + const unsigned char buffer[64] + ); + +HV_EXPORT void HV_SHA1Init( + HV_SHA1_CTX * context + ); + +HV_EXPORT void HV_SHA1Update( + HV_SHA1_CTX * context, + const unsigned char *data, + uint32_t len + ); + +HV_EXPORT void HV_SHA1Final( + unsigned char digest[20], + HV_SHA1_CTX * context + ); + +HV_EXPORT void HV_SHA1( + char *hash_out, + const char *str, + int len); + +HV_EXPORT void hv_sha1(unsigned char* input, uint32_t inputlen, unsigned char digest[20]); + +// NOTE: if outputlen > 40: output[40] = '\0' +HV_EXPORT void hv_sha1_hex(unsigned char* input, uint32_t inputlen, char* output, uint32_t outputlen); + +END_EXTERN_C + +#endif // HV_SHA1_H_ diff --git a/sdk/include/hv/singleton.h b/sdk/include/hv/singleton.h new file mode 100644 index 0000000..9553b01 --- /dev/null +++ b/sdk/include/hv/singleton.h @@ -0,0 +1,41 @@ +#ifndef HV_SINGLETON_H_ +#define HV_SINGLETON_H_ + +#include + +#define DISABLE_COPY(Class) \ + Class(const Class&) = delete; \ + Class& operator=(const Class&) = delete; + +#define SINGLETON_DECL(Class) \ + public: \ + static Class* instance(); \ + static void exitInstance(); \ + private: \ + DISABLE_COPY(Class) \ + static Class* s_pInstance; \ + static std::mutex s_mutex; + +#define SINGLETON_IMPL(Class) \ + Class* Class::s_pInstance = NULL; \ + std::mutex Class::s_mutex; \ + Class* Class::instance() { \ + if (s_pInstance == NULL) { \ + s_mutex.lock(); \ + if (s_pInstance == NULL) { \ + s_pInstance = new Class; \ + } \ + s_mutex.unlock(); \ + } \ + return s_pInstance; \ + } \ + void Class::exitInstance() { \ + s_mutex.lock(); \ + if (s_pInstance) { \ + delete s_pInstance; \ + s_pInstance = NULL; \ + } \ + s_mutex.unlock(); \ + } + +#endif // HV_SINGLETON_H_ diff --git a/sdk/include/hv/smtp.h b/sdk/include/hv/smtp.h new file mode 100644 index 0000000..ce00399 --- /dev/null +++ b/sdk/include/hv/smtp.h @@ -0,0 +1,74 @@ +#ifndef HV_SMTP_H_ +#define HV_SMTP_H_ + +#include "hexport.h" + +#define SMTP_PORT 25 +#define SMTPS_PORT 465 +#define SMTP_EOB "\r\n.\r\n" +#define SMTP_EOB_LEN 5 + +// smtp_command +// XX(name, string) +#define SMTP_COMMAND_MAP(XX)\ + XX(HELO, HELO) \ + XX(EHLO, EHLO) \ + XX(AUTH, AUTH) \ + XX(MAIL, MAIL FROM:) \ + XX(RCPT, RCPT TO:) \ + XX(DATA, DATA) \ + XX(QUIT, QUIT) \ + +enum smtp_command { +#define XX(name, string) SMTP_##name, + SMTP_COMMAND_MAP(XX) +#undef XX +}; + +// smtp_status +// XXX(code, name, string) +#define SMTP_STATUS_MAP(XXX) \ + XXX(220, READY, Ready) \ + XXX(221, BYE, Bye) \ + XXX(235, AUTH_SUCCESS, Authentication success) \ + XXX(250, OK, OK) \ + XXX(334, AUTH, Auth input) \ + XXX(354, DATA, End with .) \ + XXX(500, BAD_SYNTAX, Bad syntax) \ + XXX(502, NOT_IMPLEMENTED,Command not implemented) \ + XXX(503, BAD_SEQUENCE, Bad sequence of commands) \ + XXX(504, UNRECOGNIZED_AUTH_TYPE, Unrecognized authentication type) \ + XXX(535, AUTH_FAILED, Authentication failed) \ + XXX(553, ERR_MAIL, Mailbox name not allowed) \ + XXX(554, ERR_DATA, Transaction failed) \ + +enum smtp_status { +#define XXX(code, name, string) SMTP_STATUS_##name = code, + SMTP_STATUS_MAP(XXX) +#undef XXX +}; + +typedef struct mail_s { + char* from; + char* to; + char* subject; + char* body; +} mail_t; + +BEGIN_EXTERN_C + +HV_EXPORT const char* smtp_command_str(enum smtp_command cmd); +HV_EXPORT const char* smtp_status_str(enum smtp_status status); + +// cmd param\r\n +HV_EXPORT int smtp_build_command(enum smtp_command cmd, const char* param, char* buf, int buflen); +// status_code status_message\r\n + +HV_EXPORT int sendmail(const char* smtp_server, + const char* username, + const char* password, + mail_t* mail); + +END_EXTERN_C + +#endif // HV_SMTP_H_ diff --git a/sdk/include/hv/wsdef.h b/sdk/include/hv/wsdef.h new file mode 100644 index 0000000..eef17cb --- /dev/null +++ b/sdk/include/hv/wsdef.h @@ -0,0 +1,83 @@ +#ifndef HV_WS_DEF_H_ +#define HV_WS_DEF_H_ + +#include "hexport.h" + +#include +#include // import rand + +#define SEC_WEBSOCKET_VERSION "Sec-WebSocket-Version" +#define SEC_WEBSOCKET_KEY "Sec-WebSocket-Key" +#define SEC_WEBSOCKET_ACCEPT "Sec-WebSocket-Accept" + +#define WS_SERVER_MIN_FRAME_SIZE 2 +// 1000 1001 0000 0000 +#define WS_SERVER_PING_FRAME "\211\0" +// 1000 1010 0000 0000 +#define WS_SERVER_PONG_FRAME "\212\0" + +#define WS_CLIENT_MIN_FRAME_SIZE 6 +// 1000 1001 1000 0000 +#define WS_CLIENT_PING_FRAME "\211\200WSWS" +// 1000 1010 1000 0000 +#define WS_CLIENT_PONG_FRAME "\212\200WSWS" + +enum ws_session_type { + WS_CLIENT, + WS_SERVER, +}; + +enum ws_opcode { + WS_OPCODE_CONTINUE = 0x0, + WS_OPCODE_TEXT = 0x1, + WS_OPCODE_BINARY = 0x2, + WS_OPCODE_CLOSE = 0x8, + WS_OPCODE_PING = 0x9, + WS_OPCODE_PONG = 0xA, +}; + +BEGIN_EXTERN_C + +// Sec-WebSocket-Key => Sec-WebSocket-Accept +HV_EXPORT void ws_encode_key(const char* key, char accept[]); + +// fix-header[2] + var-length[2/8] + mask[4] + data[data_len] +HV_EXPORT int ws_calc_frame_size(int data_len, bool has_mask DEFAULT(false)); + +HV_EXPORT int ws_build_frame( + char* out, + const char* data, + int data_len, + const char mask[4], + bool has_mask DEFAULT(false), + enum ws_opcode opcode DEFAULT(WS_OPCODE_TEXT), + bool fin DEFAULT(true)); + +HV_INLINE int ws_client_build_frame( + char* out, + const char* data, + int data_len, + /* const char mask[4] */ + /* bool has_mask = true */ + enum ws_opcode opcode DEFAULT(WS_OPCODE_TEXT), + bool fin DEFAULT(true)) { + char mask[4]; + *(int*)mask = rand(); + return ws_build_frame(out, data, data_len, mask, true, opcode, fin); +} + +HV_INLINE int ws_server_build_frame( + char* out, + const char* data, + int data_len, + /* const char mask[4] */ + /* bool has_mask = false */ + enum ws_opcode opcode DEFAULT(WS_OPCODE_TEXT), + bool fin DEFAULT(true)) { + char mask[4] = {0}; + return ws_build_frame(out, data, data_len, mask, false, opcode, fin); +} + +END_EXTERN_C + +#endif // HV_WS_DEF_H_ diff --git a/sdk/include/nlohmann/json.hpp b/sdk/include/nlohmann/json.hpp new file mode 100644 index 0000000..a858728 --- /dev/null +++ b/sdk/include/nlohmann/json.hpp @@ -0,0 +1,24766 @@ +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + +/****************************************************************************\ + * Note on documentation: The source files contain links to the online * + * documentation of the public API at https://json.nlohmann.me. This URL * + * contains the most recent documentation and should also be applicable to * + * previous versions; documentation for deprecated functions is not * + * removed, but marked deprecated. See "Generate documentation" section in * + * file docs/README.md. * +\****************************************************************************/ + +#ifndef INCLUDE_NLOHMANN_JSON_HPP_ +#define INCLUDE_NLOHMANN_JSON_HPP_ + +#include // all_of, find, for_each +#include // nullptr_t, ptrdiff_t, size_t +#include // hash, less +#include // initializer_list +#ifndef JSON_NO_IO + #include // istream, ostream +#endif // JSON_NO_IO +#include // random_access_iterator_tag +#include // unique_ptr +#include // string, stoi, to_string +#include // declval, forward, move, pair, swap +#include // vector + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +#include + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +// This file contains all macro definitions affecting or depending on the ABI + +#ifndef JSON_SKIP_LIBRARY_VERSION_CHECK + #if defined(NLOHMANN_JSON_VERSION_MAJOR) && defined(NLOHMANN_JSON_VERSION_MINOR) && defined(NLOHMANN_JSON_VERSION_PATCH) + #if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 11 || NLOHMANN_JSON_VERSION_PATCH != 3 + #warning "Already included a different version of the library!" + #endif + #endif +#endif + +#define NLOHMANN_JSON_VERSION_MAJOR 3 // NOLINT(modernize-macro-to-enum) +#define NLOHMANN_JSON_VERSION_MINOR 11 // NOLINT(modernize-macro-to-enum) +#define NLOHMANN_JSON_VERSION_PATCH 3 // NOLINT(modernize-macro-to-enum) + +#ifndef JSON_DIAGNOSTICS + #define JSON_DIAGNOSTICS 0 +#endif + +#ifndef JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON + #define JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON 0 +#endif + +#if JSON_DIAGNOSTICS + #define NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS _diag +#else + #define NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS +#endif + +#if JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON + #define NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON _ldvcmp +#else + #define NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON +#endif + +#ifndef NLOHMANN_JSON_NAMESPACE_NO_VERSION + #define NLOHMANN_JSON_NAMESPACE_NO_VERSION 0 +#endif + +// Construct the namespace ABI tags component +#define NLOHMANN_JSON_ABI_TAGS_CONCAT_EX(a, b) json_abi ## a ## b +#define NLOHMANN_JSON_ABI_TAGS_CONCAT(a, b) \ + NLOHMANN_JSON_ABI_TAGS_CONCAT_EX(a, b) + +#define NLOHMANN_JSON_ABI_TAGS \ + NLOHMANN_JSON_ABI_TAGS_CONCAT( \ + NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS, \ + NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON) + +// Construct the namespace version component +#define NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT_EX(major, minor, patch) \ + _v ## major ## _ ## minor ## _ ## patch +#define NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT(major, minor, patch) \ + NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT_EX(major, minor, patch) + +#if NLOHMANN_JSON_NAMESPACE_NO_VERSION +#define NLOHMANN_JSON_NAMESPACE_VERSION +#else +#define NLOHMANN_JSON_NAMESPACE_VERSION \ + NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT(NLOHMANN_JSON_VERSION_MAJOR, \ + NLOHMANN_JSON_VERSION_MINOR, \ + NLOHMANN_JSON_VERSION_PATCH) +#endif + +// Combine namespace components +#define NLOHMANN_JSON_NAMESPACE_CONCAT_EX(a, b) a ## b +#define NLOHMANN_JSON_NAMESPACE_CONCAT(a, b) \ + NLOHMANN_JSON_NAMESPACE_CONCAT_EX(a, b) + +#ifndef NLOHMANN_JSON_NAMESPACE +#define NLOHMANN_JSON_NAMESPACE \ + nlohmann::NLOHMANN_JSON_NAMESPACE_CONCAT( \ + NLOHMANN_JSON_ABI_TAGS, \ + NLOHMANN_JSON_NAMESPACE_VERSION) +#endif + +#ifndef NLOHMANN_JSON_NAMESPACE_BEGIN +#define NLOHMANN_JSON_NAMESPACE_BEGIN \ + namespace nlohmann \ + { \ + inline namespace NLOHMANN_JSON_NAMESPACE_CONCAT( \ + NLOHMANN_JSON_ABI_TAGS, \ + NLOHMANN_JSON_NAMESPACE_VERSION) \ + { +#endif + +#ifndef NLOHMANN_JSON_NAMESPACE_END +#define NLOHMANN_JSON_NAMESPACE_END \ + } /* namespace (inline namespace) NOLINT(readability/namespace) */ \ + } // namespace nlohmann +#endif + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +#include // transform +#include // array +#include // forward_list +#include // inserter, front_inserter, end +#include // map +#include // string +#include // tuple, make_tuple +#include // is_arithmetic, is_same, is_enum, underlying_type, is_convertible +#include // unordered_map +#include // pair, declval +#include // valarray + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +#include // nullptr_t +#include // exception +#if JSON_DIAGNOSTICS + #include // accumulate +#endif +#include // runtime_error +#include // to_string +#include // vector + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +#include // array +#include // size_t +#include // uint8_t +#include // string + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +#include // declval, pair +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +#include + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +// #include + + +NLOHMANN_JSON_NAMESPACE_BEGIN +namespace detail +{ + +template struct make_void +{ + using type = void; +}; +template using void_t = typename make_void::type; + +} // namespace detail +NLOHMANN_JSON_NAMESPACE_END + + +NLOHMANN_JSON_NAMESPACE_BEGIN +namespace detail +{ + +// https://en.cppreference.com/w/cpp/experimental/is_detected +struct nonesuch +{ + nonesuch() = delete; + ~nonesuch() = delete; + nonesuch(nonesuch const&) = delete; + nonesuch(nonesuch const&&) = delete; + void operator=(nonesuch const&) = delete; + void operator=(nonesuch&&) = delete; +}; + +template class Op, + class... Args> +struct detector +{ + using value_t = std::false_type; + using type = Default; +}; + +template class Op, class... Args> +struct detector>, Op, Args...> +{ + using value_t = std::true_type; + using type = Op; +}; + +template class Op, class... Args> +using is_detected = typename detector::value_t; + +template class Op, class... Args> +struct is_detected_lazy : is_detected { }; + +template class Op, class... Args> +using detected_t = typename detector::type; + +template class Op, class... Args> +using detected_or = detector; + +template class Op, class... Args> +using detected_or_t = typename detected_or::type; + +template class Op, class... Args> +using is_detected_exact = std::is_same>; + +template class Op, class... Args> +using is_detected_convertible = + std::is_convertible, To>; + +} // namespace detail +NLOHMANN_JSON_NAMESPACE_END + +// #include + + +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-FileCopyrightText: 2016-2021 Evan Nemerson +// SPDX-License-Identifier: MIT + +/* Hedley - https://nemequ.github.io/hedley + * Created by Evan Nemerson + */ + +#if !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < 15) +#if defined(JSON_HEDLEY_VERSION) + #undef JSON_HEDLEY_VERSION +#endif +#define JSON_HEDLEY_VERSION 15 + +#if defined(JSON_HEDLEY_STRINGIFY_EX) + #undef JSON_HEDLEY_STRINGIFY_EX +#endif +#define JSON_HEDLEY_STRINGIFY_EX(x) #x + +#if defined(JSON_HEDLEY_STRINGIFY) + #undef JSON_HEDLEY_STRINGIFY +#endif +#define JSON_HEDLEY_STRINGIFY(x) JSON_HEDLEY_STRINGIFY_EX(x) + +#if defined(JSON_HEDLEY_CONCAT_EX) + #undef JSON_HEDLEY_CONCAT_EX +#endif +#define JSON_HEDLEY_CONCAT_EX(a,b) a##b + +#if defined(JSON_HEDLEY_CONCAT) + #undef JSON_HEDLEY_CONCAT +#endif +#define JSON_HEDLEY_CONCAT(a,b) JSON_HEDLEY_CONCAT_EX(a,b) + +#if defined(JSON_HEDLEY_CONCAT3_EX) + #undef JSON_HEDLEY_CONCAT3_EX +#endif +#define JSON_HEDLEY_CONCAT3_EX(a,b,c) a##b##c + +#if defined(JSON_HEDLEY_CONCAT3) + #undef JSON_HEDLEY_CONCAT3 +#endif +#define JSON_HEDLEY_CONCAT3(a,b,c) JSON_HEDLEY_CONCAT3_EX(a,b,c) + +#if defined(JSON_HEDLEY_VERSION_ENCODE) + #undef JSON_HEDLEY_VERSION_ENCODE +#endif +#define JSON_HEDLEY_VERSION_ENCODE(major,minor,revision) (((major) * 1000000) + ((minor) * 1000) + (revision)) + +#if defined(JSON_HEDLEY_VERSION_DECODE_MAJOR) + #undef JSON_HEDLEY_VERSION_DECODE_MAJOR +#endif +#define JSON_HEDLEY_VERSION_DECODE_MAJOR(version) ((version) / 1000000) + +#if defined(JSON_HEDLEY_VERSION_DECODE_MINOR) + #undef JSON_HEDLEY_VERSION_DECODE_MINOR +#endif +#define JSON_HEDLEY_VERSION_DECODE_MINOR(version) (((version) % 1000000) / 1000) + +#if defined(JSON_HEDLEY_VERSION_DECODE_REVISION) + #undef JSON_HEDLEY_VERSION_DECODE_REVISION +#endif +#define JSON_HEDLEY_VERSION_DECODE_REVISION(version) ((version) % 1000) + +#if defined(JSON_HEDLEY_GNUC_VERSION) + #undef JSON_HEDLEY_GNUC_VERSION +#endif +#if defined(__GNUC__) && defined(__GNUC_PATCHLEVEL__) + #define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__) +#elif defined(__GNUC__) + #define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, 0) +#endif + +#if defined(JSON_HEDLEY_GNUC_VERSION_CHECK) + #undef JSON_HEDLEY_GNUC_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_GNUC_VERSION) + #define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GNUC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_MSVC_VERSION) + #undef JSON_HEDLEY_MSVC_VERSION +#endif +#if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 140000000) && !defined(__ICL) + #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 10000000, (_MSC_FULL_VER % 10000000) / 100000, (_MSC_FULL_VER % 100000) / 100) +#elif defined(_MSC_FULL_VER) && !defined(__ICL) + #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 1000000, (_MSC_FULL_VER % 1000000) / 10000, (_MSC_FULL_VER % 10000) / 10) +#elif defined(_MSC_VER) && !defined(__ICL) + #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_VER / 100, _MSC_VER % 100, 0) +#endif + +#if defined(JSON_HEDLEY_MSVC_VERSION_CHECK) + #undef JSON_HEDLEY_MSVC_VERSION_CHECK +#endif +#if !defined(JSON_HEDLEY_MSVC_VERSION) + #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (0) +#elif defined(_MSC_VER) && (_MSC_VER >= 1400) + #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 10000000) + (minor * 100000) + (patch))) +#elif defined(_MSC_VER) && (_MSC_VER >= 1200) + #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 1000000) + (minor * 10000) + (patch))) +#else + #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_VER >= ((major * 100) + (minor))) +#endif + +#if defined(JSON_HEDLEY_INTEL_VERSION) + #undef JSON_HEDLEY_INTEL_VERSION +#endif +#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) && !defined(__ICL) + #define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, __INTEL_COMPILER_UPDATE) +#elif defined(__INTEL_COMPILER) && !defined(__ICL) + #define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, 0) +#endif + +#if defined(JSON_HEDLEY_INTEL_VERSION_CHECK) + #undef JSON_HEDLEY_INTEL_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_INTEL_VERSION) + #define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_INTEL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_INTEL_CL_VERSION) + #undef JSON_HEDLEY_INTEL_CL_VERSION +#endif +#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) && defined(__ICL) + #define JSON_HEDLEY_INTEL_CL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER, __INTEL_COMPILER_UPDATE, 0) +#endif + +#if defined(JSON_HEDLEY_INTEL_CL_VERSION_CHECK) + #undef JSON_HEDLEY_INTEL_CL_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_INTEL_CL_VERSION) + #define JSON_HEDLEY_INTEL_CL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_INTEL_CL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_INTEL_CL_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_PGI_VERSION) + #undef JSON_HEDLEY_PGI_VERSION +#endif +#if defined(__PGI) && defined(__PGIC__) && defined(__PGIC_MINOR__) && defined(__PGIC_PATCHLEVEL__) + #define JSON_HEDLEY_PGI_VERSION JSON_HEDLEY_VERSION_ENCODE(__PGIC__, __PGIC_MINOR__, __PGIC_PATCHLEVEL__) +#endif + +#if defined(JSON_HEDLEY_PGI_VERSION_CHECK) + #undef JSON_HEDLEY_PGI_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_PGI_VERSION) + #define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PGI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_SUNPRO_VERSION) + #undef JSON_HEDLEY_SUNPRO_VERSION +#endif +#if defined(__SUNPRO_C) && (__SUNPRO_C > 0x1000) + #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_C >> 16) & 0xf) * 10) + ((__SUNPRO_C >> 12) & 0xf), (((__SUNPRO_C >> 8) & 0xf) * 10) + ((__SUNPRO_C >> 4) & 0xf), (__SUNPRO_C & 0xf) * 10) +#elif defined(__SUNPRO_C) + #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_C >> 8) & 0xf, (__SUNPRO_C >> 4) & 0xf, (__SUNPRO_C) & 0xf) +#elif defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x1000) + #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_CC >> 16) & 0xf) * 10) + ((__SUNPRO_CC >> 12) & 0xf), (((__SUNPRO_CC >> 8) & 0xf) * 10) + ((__SUNPRO_CC >> 4) & 0xf), (__SUNPRO_CC & 0xf) * 10) +#elif defined(__SUNPRO_CC) + #define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_CC >> 8) & 0xf, (__SUNPRO_CC >> 4) & 0xf, (__SUNPRO_CC) & 0xf) +#endif + +#if defined(JSON_HEDLEY_SUNPRO_VERSION_CHECK) + #undef JSON_HEDLEY_SUNPRO_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_SUNPRO_VERSION) + #define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_SUNPRO_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) + #undef JSON_HEDLEY_EMSCRIPTEN_VERSION +#endif +#if defined(__EMSCRIPTEN__) + #define JSON_HEDLEY_EMSCRIPTEN_VERSION JSON_HEDLEY_VERSION_ENCODE(__EMSCRIPTEN_major__, __EMSCRIPTEN_minor__, __EMSCRIPTEN_tiny__) +#endif + +#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK) + #undef JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) + #define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_EMSCRIPTEN_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_ARM_VERSION) + #undef JSON_HEDLEY_ARM_VERSION +#endif +#if defined(__CC_ARM) && defined(__ARMCOMPILER_VERSION) + #define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCOMPILER_VERSION / 1000000, (__ARMCOMPILER_VERSION % 1000000) / 10000, (__ARMCOMPILER_VERSION % 10000) / 100) +#elif defined(__CC_ARM) && defined(__ARMCC_VERSION) + #define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCC_VERSION / 1000000, (__ARMCC_VERSION % 1000000) / 10000, (__ARMCC_VERSION % 10000) / 100) +#endif + +#if defined(JSON_HEDLEY_ARM_VERSION_CHECK) + #undef JSON_HEDLEY_ARM_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_ARM_VERSION) + #define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_ARM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_IBM_VERSION) + #undef JSON_HEDLEY_IBM_VERSION +#endif +#if defined(__ibmxl__) + #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ibmxl_version__, __ibmxl_release__, __ibmxl_modification__) +#elif defined(__xlC__) && defined(__xlC_ver__) + #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, (__xlC_ver__ >> 8) & 0xff) +#elif defined(__xlC__) + #define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, 0) +#endif + +#if defined(JSON_HEDLEY_IBM_VERSION_CHECK) + #undef JSON_HEDLEY_IBM_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_IBM_VERSION) + #define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IBM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_VERSION) + #undef JSON_HEDLEY_TI_VERSION +#endif +#if \ + defined(__TI_COMPILER_VERSION__) && \ + ( \ + defined(__TMS470__) || defined(__TI_ARM__) || \ + defined(__MSP430__) || \ + defined(__TMS320C2000__) \ + ) +#if (__TI_COMPILER_VERSION__ >= 16000000) + #define JSON_HEDLEY_TI_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif +#endif + +#if defined(JSON_HEDLEY_TI_VERSION_CHECK) + #undef JSON_HEDLEY_TI_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_VERSION) + #define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_CL2000_VERSION) + #undef JSON_HEDLEY_TI_CL2000_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C2000__) + #define JSON_HEDLEY_TI_CL2000_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_CL2000_VERSION_CHECK) + #undef JSON_HEDLEY_TI_CL2000_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_CL2000_VERSION) + #define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL2000_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_CL430_VERSION) + #undef JSON_HEDLEY_TI_CL430_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__MSP430__) + #define JSON_HEDLEY_TI_CL430_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_CL430_VERSION_CHECK) + #undef JSON_HEDLEY_TI_CL430_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_CL430_VERSION) + #define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL430_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) + #undef JSON_HEDLEY_TI_ARMCL_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && (defined(__TMS470__) || defined(__TI_ARM__)) + #define JSON_HEDLEY_TI_ARMCL_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_ARMCL_VERSION_CHECK) + #undef JSON_HEDLEY_TI_ARMCL_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) + #define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_ARMCL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_CL6X_VERSION) + #undef JSON_HEDLEY_TI_CL6X_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C6X__) + #define JSON_HEDLEY_TI_CL6X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_CL6X_VERSION_CHECK) + #undef JSON_HEDLEY_TI_CL6X_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_CL6X_VERSION) + #define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL6X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_CL7X_VERSION) + #undef JSON_HEDLEY_TI_CL7X_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__C7000__) + #define JSON_HEDLEY_TI_CL7X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_CL7X_VERSION_CHECK) + #undef JSON_HEDLEY_TI_CL7X_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_CL7X_VERSION) + #define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL7X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) + #undef JSON_HEDLEY_TI_CLPRU_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__PRU__) + #define JSON_HEDLEY_TI_CLPRU_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(JSON_HEDLEY_TI_CLPRU_VERSION_CHECK) + #undef JSON_HEDLEY_TI_CLPRU_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) + #define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CLPRU_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_CRAY_VERSION) + #undef JSON_HEDLEY_CRAY_VERSION +#endif +#if defined(_CRAYC) + #if defined(_RELEASE_PATCHLEVEL) + #define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, _RELEASE_PATCHLEVEL) + #else + #define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, 0) + #endif +#endif + +#if defined(JSON_HEDLEY_CRAY_VERSION_CHECK) + #undef JSON_HEDLEY_CRAY_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_CRAY_VERSION) + #define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_CRAY_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_IAR_VERSION) + #undef JSON_HEDLEY_IAR_VERSION +#endif +#if defined(__IAR_SYSTEMS_ICC__) + #if __VER__ > 1000 + #define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE((__VER__ / 1000000), ((__VER__ / 1000) % 1000), (__VER__ % 1000)) + #else + #define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE(__VER__ / 100, __VER__ % 100, 0) + #endif +#endif + +#if defined(JSON_HEDLEY_IAR_VERSION_CHECK) + #undef JSON_HEDLEY_IAR_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_IAR_VERSION) + #define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IAR_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_TINYC_VERSION) + #undef JSON_HEDLEY_TINYC_VERSION +#endif +#if defined(__TINYC__) + #define JSON_HEDLEY_TINYC_VERSION JSON_HEDLEY_VERSION_ENCODE(__TINYC__ / 1000, (__TINYC__ / 100) % 10, __TINYC__ % 100) +#endif + +#if defined(JSON_HEDLEY_TINYC_VERSION_CHECK) + #undef JSON_HEDLEY_TINYC_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_TINYC_VERSION) + #define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TINYC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_DMC_VERSION) + #undef JSON_HEDLEY_DMC_VERSION +#endif +#if defined(__DMC__) + #define JSON_HEDLEY_DMC_VERSION JSON_HEDLEY_VERSION_ENCODE(__DMC__ >> 8, (__DMC__ >> 4) & 0xf, __DMC__ & 0xf) +#endif + +#if defined(JSON_HEDLEY_DMC_VERSION_CHECK) + #undef JSON_HEDLEY_DMC_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_DMC_VERSION) + #define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_DMC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_COMPCERT_VERSION) + #undef JSON_HEDLEY_COMPCERT_VERSION +#endif +#if defined(__COMPCERT_VERSION__) + #define JSON_HEDLEY_COMPCERT_VERSION JSON_HEDLEY_VERSION_ENCODE(__COMPCERT_VERSION__ / 10000, (__COMPCERT_VERSION__ / 100) % 100, __COMPCERT_VERSION__ % 100) +#endif + +#if defined(JSON_HEDLEY_COMPCERT_VERSION_CHECK) + #undef JSON_HEDLEY_COMPCERT_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_COMPCERT_VERSION) + #define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_COMPCERT_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_PELLES_VERSION) + #undef JSON_HEDLEY_PELLES_VERSION +#endif +#if defined(__POCC__) + #define JSON_HEDLEY_PELLES_VERSION JSON_HEDLEY_VERSION_ENCODE(__POCC__ / 100, __POCC__ % 100, 0) +#endif + +#if defined(JSON_HEDLEY_PELLES_VERSION_CHECK) + #undef JSON_HEDLEY_PELLES_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_PELLES_VERSION) + #define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PELLES_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_MCST_LCC_VERSION) + #undef JSON_HEDLEY_MCST_LCC_VERSION +#endif +#if defined(__LCC__) && defined(__LCC_MINOR__) + #define JSON_HEDLEY_MCST_LCC_VERSION JSON_HEDLEY_VERSION_ENCODE(__LCC__ / 100, __LCC__ % 100, __LCC_MINOR__) +#endif + +#if defined(JSON_HEDLEY_MCST_LCC_VERSION_CHECK) + #undef JSON_HEDLEY_MCST_LCC_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_MCST_LCC_VERSION) + #define JSON_HEDLEY_MCST_LCC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_MCST_LCC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_MCST_LCC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_GCC_VERSION) + #undef JSON_HEDLEY_GCC_VERSION +#endif +#if \ + defined(JSON_HEDLEY_GNUC_VERSION) && \ + !defined(__clang__) && \ + !defined(JSON_HEDLEY_INTEL_VERSION) && \ + !defined(JSON_HEDLEY_PGI_VERSION) && \ + !defined(JSON_HEDLEY_ARM_VERSION) && \ + !defined(JSON_HEDLEY_CRAY_VERSION) && \ + !defined(JSON_HEDLEY_TI_VERSION) && \ + !defined(JSON_HEDLEY_TI_ARMCL_VERSION) && \ + !defined(JSON_HEDLEY_TI_CL430_VERSION) && \ + !defined(JSON_HEDLEY_TI_CL2000_VERSION) && \ + !defined(JSON_HEDLEY_TI_CL6X_VERSION) && \ + !defined(JSON_HEDLEY_TI_CL7X_VERSION) && \ + !defined(JSON_HEDLEY_TI_CLPRU_VERSION) && \ + !defined(__COMPCERT__) && \ + !defined(JSON_HEDLEY_MCST_LCC_VERSION) + #define JSON_HEDLEY_GCC_VERSION JSON_HEDLEY_GNUC_VERSION +#endif + +#if defined(JSON_HEDLEY_GCC_VERSION_CHECK) + #undef JSON_HEDLEY_GCC_VERSION_CHECK +#endif +#if defined(JSON_HEDLEY_GCC_VERSION) + #define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GCC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) +#else + #define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(JSON_HEDLEY_HAS_ATTRIBUTE) + #undef JSON_HEDLEY_HAS_ATTRIBUTE +#endif +#if \ + defined(__has_attribute) && \ + ( \ + (!defined(JSON_HEDLEY_IAR_VERSION) || JSON_HEDLEY_IAR_VERSION_CHECK(8,5,9)) \ + ) +# define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) __has_attribute(attribute) +#else +# define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_ATTRIBUTE) + #undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE +#endif +#if defined(__has_attribute) + #define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_HAS_ATTRIBUTE(attribute) +#else + #define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_ATTRIBUTE) + #undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE +#endif +#if defined(__has_attribute) + #define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_HAS_ATTRIBUTE(attribute) +#else + #define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE) + #undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE +#endif +#if \ + defined(__has_cpp_attribute) && \ + defined(__cplusplus) && \ + (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) + #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) __has_cpp_attribute(attribute) +#else + #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) (0) +#endif + +#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS) + #undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS +#endif +#if !defined(__cplusplus) || !defined(__has_cpp_attribute) + #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) +#elif \ + !defined(JSON_HEDLEY_PGI_VERSION) && \ + !defined(JSON_HEDLEY_IAR_VERSION) && \ + (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) && \ + (!defined(JSON_HEDLEY_MSVC_VERSION) || JSON_HEDLEY_MSVC_VERSION_CHECK(19,20,0)) + #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(ns::attribute) +#else + #define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE) + #undef JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE +#endif +#if defined(__has_cpp_attribute) && defined(__cplusplus) + #define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) +#else + #define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE) + #undef JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE +#endif +#if defined(__has_cpp_attribute) && defined(__cplusplus) + #define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) +#else + #define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_BUILTIN) + #undef JSON_HEDLEY_HAS_BUILTIN +#endif +#if defined(__has_builtin) + #define JSON_HEDLEY_HAS_BUILTIN(builtin) __has_builtin(builtin) +#else + #define JSON_HEDLEY_HAS_BUILTIN(builtin) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_BUILTIN) + #undef JSON_HEDLEY_GNUC_HAS_BUILTIN +#endif +#if defined(__has_builtin) + #define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) +#else + #define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_BUILTIN) + #undef JSON_HEDLEY_GCC_HAS_BUILTIN +#endif +#if defined(__has_builtin) + #define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) +#else + #define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_FEATURE) + #undef JSON_HEDLEY_HAS_FEATURE +#endif +#if defined(__has_feature) + #define JSON_HEDLEY_HAS_FEATURE(feature) __has_feature(feature) +#else + #define JSON_HEDLEY_HAS_FEATURE(feature) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_FEATURE) + #undef JSON_HEDLEY_GNUC_HAS_FEATURE +#endif +#if defined(__has_feature) + #define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) +#else + #define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_FEATURE) + #undef JSON_HEDLEY_GCC_HAS_FEATURE +#endif +#if defined(__has_feature) + #define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) +#else + #define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_EXTENSION) + #undef JSON_HEDLEY_HAS_EXTENSION +#endif +#if defined(__has_extension) + #define JSON_HEDLEY_HAS_EXTENSION(extension) __has_extension(extension) +#else + #define JSON_HEDLEY_HAS_EXTENSION(extension) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_EXTENSION) + #undef JSON_HEDLEY_GNUC_HAS_EXTENSION +#endif +#if defined(__has_extension) + #define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) +#else + #define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_EXTENSION) + #undef JSON_HEDLEY_GCC_HAS_EXTENSION +#endif +#if defined(__has_extension) + #define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) +#else + #define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE) + #undef JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE +#endif +#if defined(__has_declspec_attribute) + #define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) __has_declspec_attribute(attribute) +#else + #define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE) + #undef JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE +#endif +#if defined(__has_declspec_attribute) + #define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) +#else + #define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE) + #undef JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE +#endif +#if defined(__has_declspec_attribute) + #define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) +#else + #define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_HAS_WARNING) + #undef JSON_HEDLEY_HAS_WARNING +#endif +#if defined(__has_warning) + #define JSON_HEDLEY_HAS_WARNING(warning) __has_warning(warning) +#else + #define JSON_HEDLEY_HAS_WARNING(warning) (0) +#endif + +#if defined(JSON_HEDLEY_GNUC_HAS_WARNING) + #undef JSON_HEDLEY_GNUC_HAS_WARNING +#endif +#if defined(__has_warning) + #define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) +#else + #define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_GCC_HAS_WARNING) + #undef JSON_HEDLEY_GCC_HAS_WARNING +#endif +#if defined(__has_warning) + #define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) +#else + #define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if \ + (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ + defined(__clang__) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,0,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) || \ + JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,17) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(8,0,0) || \ + (JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) && defined(__C99_PRAGMA_OPERATOR)) + #define JSON_HEDLEY_PRAGMA(value) _Pragma(#value) +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) + #define JSON_HEDLEY_PRAGMA(value) __pragma(value) +#else + #define JSON_HEDLEY_PRAGMA(value) +#endif + +#if defined(JSON_HEDLEY_DIAGNOSTIC_PUSH) + #undef JSON_HEDLEY_DIAGNOSTIC_PUSH +#endif +#if defined(JSON_HEDLEY_DIAGNOSTIC_POP) + #undef JSON_HEDLEY_DIAGNOSTIC_POP +#endif +#if defined(__clang__) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("clang diagnostic pop") +#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") +#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH __pragma(warning(push)) + #define JSON_HEDLEY_DIAGNOSTIC_POP __pragma(warning(pop)) +#elif JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("push") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("pop") +#elif \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,4,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("diag_push") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("diag_pop") +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) + #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") + #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") +#else + #define JSON_HEDLEY_DIAGNOSTIC_PUSH + #define JSON_HEDLEY_DIAGNOSTIC_POP +#endif + +/* JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ is for + HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ +#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) + #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ +#endif +#if defined(__cplusplus) +# if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat") +# if JSON_HEDLEY_HAS_WARNING("-Wc++17-extensions") +# if JSON_HEDLEY_HAS_WARNING("-Wc++1z-extensions") +# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ + _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \ + _Pragma("clang diagnostic ignored \"-Wc++1z-extensions\"") \ + xpr \ + JSON_HEDLEY_DIAGNOSTIC_POP +# else +# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ + _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \ + xpr \ + JSON_HEDLEY_DIAGNOSTIC_POP +# endif +# else +# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ + xpr \ + JSON_HEDLEY_DIAGNOSTIC_POP +# endif +# endif +#endif +#if !defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(x) x +#endif + +#if defined(JSON_HEDLEY_CONST_CAST) + #undef JSON_HEDLEY_CONST_CAST +#endif +#if defined(__cplusplus) +# define JSON_HEDLEY_CONST_CAST(T, expr) (const_cast(expr)) +#elif \ + JSON_HEDLEY_HAS_WARNING("-Wcast-qual") || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) +# define JSON_HEDLEY_CONST_CAST(T, expr) (__extension__ ({ \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL \ + ((T) (expr)); \ + JSON_HEDLEY_DIAGNOSTIC_POP \ + })) +#else +# define JSON_HEDLEY_CONST_CAST(T, expr) ((T) (expr)) +#endif + +#if defined(JSON_HEDLEY_REINTERPRET_CAST) + #undef JSON_HEDLEY_REINTERPRET_CAST +#endif +#if defined(__cplusplus) + #define JSON_HEDLEY_REINTERPRET_CAST(T, expr) (reinterpret_cast(expr)) +#else + #define JSON_HEDLEY_REINTERPRET_CAST(T, expr) ((T) (expr)) +#endif + +#if defined(JSON_HEDLEY_STATIC_CAST) + #undef JSON_HEDLEY_STATIC_CAST +#endif +#if defined(__cplusplus) + #define JSON_HEDLEY_STATIC_CAST(T, expr) (static_cast(expr)) +#else + #define JSON_HEDLEY_STATIC_CAST(T, expr) ((T) (expr)) +#endif + +#if defined(JSON_HEDLEY_CPP_CAST) + #undef JSON_HEDLEY_CPP_CAST +#endif +#if defined(__cplusplus) +# if JSON_HEDLEY_HAS_WARNING("-Wold-style-cast") +# define JSON_HEDLEY_CPP_CAST(T, expr) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wold-style-cast\"") \ + ((T) (expr)) \ + JSON_HEDLEY_DIAGNOSTIC_POP +# elif JSON_HEDLEY_IAR_VERSION_CHECK(8,3,0) +# define JSON_HEDLEY_CPP_CAST(T, expr) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("diag_suppress=Pe137") \ + JSON_HEDLEY_DIAGNOSTIC_POP +# else +# define JSON_HEDLEY_CPP_CAST(T, expr) ((T) (expr)) +# endif +#else +# define JSON_HEDLEY_CPP_CAST(T, expr) (expr) +#endif + +#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED) + #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wdeprecated-declarations") + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") +#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warning(disable:1478 1786)") +#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:1478 1786)) +#elif JSON_HEDLEY_PGI_VERSION_CHECK(20,7,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1216,1444,1445") +#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1444") +#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:4996)) +#elif JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1444") +#elif \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1291,1718") +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && !defined(__cplusplus) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,E_DEPRECATED_ATT,E_DEPRECATED_ATT_MESS)") +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && defined(__cplusplus) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,symdeprecated,symdeprecated2)") +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress=Pe1444,Pe1215") +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warn(disable:2241)") +#else + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED +#endif + +#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS) + #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"") +#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("warning(disable:161)") +#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS __pragma(warning(disable:161)) +#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 1675") +#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("GCC diagnostic ignored \"-Wunknown-pragmas\"") +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS __pragma(warning(disable:4068)) +#elif \ + JSON_HEDLEY_TI_VERSION_CHECK(16,9,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") +#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress=Pe161") +#elif JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 161") +#else + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS +#endif + +#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES) + #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wunknown-attributes") + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("clang diagnostic ignored \"-Wunknown-attributes\"") +#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") +#elif JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("warning(disable:1292)") +#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:1292)) +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:5030)) +#elif JSON_HEDLEY_PGI_VERSION_CHECK(20,7,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097,1098") +#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097") +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("error_messages(off,attrskipunsup)") +#elif \ + JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1173") +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress=Pe1097") +#elif JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097") +#else + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES +#endif + +#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL) + #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wcast-qual") + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("clang diagnostic ignored \"-Wcast-qual\"") +#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("warning(disable:2203 2331)") +#elif JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("GCC diagnostic ignored \"-Wcast-qual\"") +#else + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL +#endif + +#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION) + #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wunused-function") + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION _Pragma("clang diagnostic ignored \"-Wunused-function\"") +#elif JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION _Pragma("GCC diagnostic ignored \"-Wunused-function\"") +#elif JSON_HEDLEY_MSVC_VERSION_CHECK(1,0,0) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION __pragma(warning(disable:4505)) +#elif JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION _Pragma("diag_suppress 3142") +#else + #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION +#endif + +#if defined(JSON_HEDLEY_DEPRECATED) + #undef JSON_HEDLEY_DEPRECATED +#endif +#if defined(JSON_HEDLEY_DEPRECATED_FOR) + #undef JSON_HEDLEY_DEPRECATED_FOR +#endif +#if \ + JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) + #define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated("Since " # since)) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated("Since " #since "; use " #replacement)) +#elif \ + (JSON_HEDLEY_HAS_EXTENSION(attribute_deprecated_with_message) && !defined(JSON_HEDLEY_IAR_VERSION)) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(18,1,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__("Since " #since))) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__("Since " #since "; use " #replacement))) +#elif defined(__cplusplus) && (__cplusplus >= 201402L) + #define JSON_HEDLEY_DEPRECATED(since) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since)]]) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since "; use " #replacement)]]) +#elif \ + JSON_HEDLEY_HAS_ATTRIBUTE(deprecated) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) || \ + JSON_HEDLEY_IAR_VERSION_CHECK(8,10,0) + #define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__)) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__)) +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ + JSON_HEDLEY_PELLES_VERSION_CHECK(6,50,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) + #define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated) +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_DEPRECATED(since) _Pragma("deprecated") + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) _Pragma("deprecated") +#else + #define JSON_HEDLEY_DEPRECATED(since) + #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) +#endif + +#if defined(JSON_HEDLEY_UNAVAILABLE) + #undef JSON_HEDLEY_UNAVAILABLE +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(warning) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_UNAVAILABLE(available_since) __attribute__((__warning__("Not available until " #available_since))) +#else + #define JSON_HEDLEY_UNAVAILABLE(available_since) +#endif + +#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT) + #undef JSON_HEDLEY_WARN_UNUSED_RESULT +#endif +#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT_MSG) + #undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(warn_unused_result) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) + #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) __attribute__((__warn_unused_result__)) +#elif (JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) >= 201907L) + #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) + #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard(msg)]]) +#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) + #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) + #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) +#elif defined(_Check_return_) /* SAL */ + #define JSON_HEDLEY_WARN_UNUSED_RESULT _Check_return_ + #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) _Check_return_ +#else + #define JSON_HEDLEY_WARN_UNUSED_RESULT + #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) +#endif + +#if defined(JSON_HEDLEY_SENTINEL) + #undef JSON_HEDLEY_SENTINEL +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(sentinel) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_SENTINEL(position) __attribute__((__sentinel__(position))) +#else + #define JSON_HEDLEY_SENTINEL(position) +#endif + +#if defined(JSON_HEDLEY_NO_RETURN) + #undef JSON_HEDLEY_NO_RETURN +#endif +#if JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_NO_RETURN __noreturn +#elif \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) +#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L + #define JSON_HEDLEY_NO_RETURN _Noreturn +#elif defined(__cplusplus) && (__cplusplus >= 201103L) + #define JSON_HEDLEY_NO_RETURN JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[noreturn]]) +#elif \ + JSON_HEDLEY_HAS_ATTRIBUTE(noreturn) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,2,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_IAR_VERSION_CHECK(8,10,0) + #define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) + #define JSON_HEDLEY_NO_RETURN _Pragma("does_not_return") +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) + #define JSON_HEDLEY_NO_RETURN __declspec(noreturn) +#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) + #define JSON_HEDLEY_NO_RETURN _Pragma("FUNC_NEVER_RETURNS;") +#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) + #define JSON_HEDLEY_NO_RETURN __attribute((noreturn)) +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) + #define JSON_HEDLEY_NO_RETURN __declspec(noreturn) +#else + #define JSON_HEDLEY_NO_RETURN +#endif + +#if defined(JSON_HEDLEY_NO_ESCAPE) + #undef JSON_HEDLEY_NO_ESCAPE +#endif +#if JSON_HEDLEY_HAS_ATTRIBUTE(noescape) + #define JSON_HEDLEY_NO_ESCAPE __attribute__((__noescape__)) +#else + #define JSON_HEDLEY_NO_ESCAPE +#endif + +#if defined(JSON_HEDLEY_UNREACHABLE) + #undef JSON_HEDLEY_UNREACHABLE +#endif +#if defined(JSON_HEDLEY_UNREACHABLE_RETURN) + #undef JSON_HEDLEY_UNREACHABLE_RETURN +#endif +#if defined(JSON_HEDLEY_ASSUME) + #undef JSON_HEDLEY_ASSUME +#endif +#if \ + JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) + #define JSON_HEDLEY_ASSUME(expr) __assume(expr) +#elif JSON_HEDLEY_HAS_BUILTIN(__builtin_assume) + #define JSON_HEDLEY_ASSUME(expr) __builtin_assume(expr) +#elif \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) + #if defined(__cplusplus) + #define JSON_HEDLEY_ASSUME(expr) std::_nassert(expr) + #else + #define JSON_HEDLEY_ASSUME(expr) _nassert(expr) + #endif +#endif +#if \ + (JSON_HEDLEY_HAS_BUILTIN(__builtin_unreachable) && (!defined(JSON_HEDLEY_ARM_VERSION))) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(18,10,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(13,1,5) || \ + JSON_HEDLEY_CRAY_VERSION_CHECK(10,0,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_UNREACHABLE() __builtin_unreachable() +#elif defined(JSON_HEDLEY_ASSUME) + #define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) +#endif +#if !defined(JSON_HEDLEY_ASSUME) + #if defined(JSON_HEDLEY_UNREACHABLE) + #define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, ((expr) ? 1 : (JSON_HEDLEY_UNREACHABLE(), 1))) + #else + #define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, expr) + #endif +#endif +#if defined(JSON_HEDLEY_UNREACHABLE) + #if \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) + #define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (JSON_HEDLEY_STATIC_CAST(void, JSON_HEDLEY_ASSUME(0)), (value)) + #else + #define JSON_HEDLEY_UNREACHABLE_RETURN(value) JSON_HEDLEY_UNREACHABLE() + #endif +#else + #define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (value) +#endif +#if !defined(JSON_HEDLEY_UNREACHABLE) + #define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) +#endif + +JSON_HEDLEY_DIAGNOSTIC_PUSH +#if JSON_HEDLEY_HAS_WARNING("-Wpedantic") + #pragma clang diagnostic ignored "-Wpedantic" +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat-pedantic") && defined(__cplusplus) + #pragma clang diagnostic ignored "-Wc++98-compat-pedantic" +#endif +#if JSON_HEDLEY_GCC_HAS_WARNING("-Wvariadic-macros",4,0,0) + #if defined(__clang__) + #pragma clang diagnostic ignored "-Wvariadic-macros" + #elif defined(JSON_HEDLEY_GCC_VERSION) + #pragma GCC diagnostic ignored "-Wvariadic-macros" + #endif +#endif +#if defined(JSON_HEDLEY_NON_NULL) + #undef JSON_HEDLEY_NON_NULL +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(nonnull) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) + #define JSON_HEDLEY_NON_NULL(...) __attribute__((__nonnull__(__VA_ARGS__))) +#else + #define JSON_HEDLEY_NON_NULL(...) +#endif +JSON_HEDLEY_DIAGNOSTIC_POP + +#if defined(JSON_HEDLEY_PRINTF_FORMAT) + #undef JSON_HEDLEY_PRINTF_FORMAT +#endif +#if defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && !defined(__USE_MINGW_ANSI_STDIO) + #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(ms_printf, string_idx, first_to_check))) +#elif defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && defined(__USE_MINGW_ANSI_STDIO) + #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(gnu_printf, string_idx, first_to_check))) +#elif \ + JSON_HEDLEY_HAS_ATTRIBUTE(format) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(__printf__, string_idx, first_to_check))) +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(6,0,0) + #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __declspec(vaformat(printf,string_idx,first_to_check)) +#else + #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) +#endif + +#if defined(JSON_HEDLEY_CONSTEXPR) + #undef JSON_HEDLEY_CONSTEXPR +#endif +#if defined(__cplusplus) + #if __cplusplus >= 201103L + #define JSON_HEDLEY_CONSTEXPR JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(constexpr) + #endif +#endif +#if !defined(JSON_HEDLEY_CONSTEXPR) + #define JSON_HEDLEY_CONSTEXPR +#endif + +#if defined(JSON_HEDLEY_PREDICT) + #undef JSON_HEDLEY_PREDICT +#endif +#if defined(JSON_HEDLEY_LIKELY) + #undef JSON_HEDLEY_LIKELY +#endif +#if defined(JSON_HEDLEY_UNLIKELY) + #undef JSON_HEDLEY_UNLIKELY +#endif +#if defined(JSON_HEDLEY_UNPREDICTABLE) + #undef JSON_HEDLEY_UNPREDICTABLE +#endif +#if JSON_HEDLEY_HAS_BUILTIN(__builtin_unpredictable) + #define JSON_HEDLEY_UNPREDICTABLE(expr) __builtin_unpredictable((expr)) +#endif +#if \ + (JSON_HEDLEY_HAS_BUILTIN(__builtin_expect_with_probability) && !defined(JSON_HEDLEY_PGI_VERSION)) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(9,0,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) +# define JSON_HEDLEY_PREDICT(expr, value, probability) __builtin_expect_with_probability( (expr), (value), (probability)) +# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) __builtin_expect_with_probability(!!(expr), 1 , (probability)) +# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) __builtin_expect_with_probability(!!(expr), 0 , (probability)) +# define JSON_HEDLEY_LIKELY(expr) __builtin_expect (!!(expr), 1 ) +# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect (!!(expr), 0 ) +#elif \ + (JSON_HEDLEY_HAS_BUILTIN(__builtin_expect) && !defined(JSON_HEDLEY_INTEL_CL_VERSION)) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,27) || \ + JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) +# define JSON_HEDLEY_PREDICT(expr, expected, probability) \ + (((probability) >= 0.9) ? __builtin_expect((expr), (expected)) : (JSON_HEDLEY_STATIC_CAST(void, expected), (expr))) +# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) \ + (__extension__ ({ \ + double hedley_probability_ = (probability); \ + ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 1) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 0) : !!(expr))); \ + })) +# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) \ + (__extension__ ({ \ + double hedley_probability_ = (probability); \ + ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 0) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 1) : !!(expr))); \ + })) +# define JSON_HEDLEY_LIKELY(expr) __builtin_expect(!!(expr), 1) +# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect(!!(expr), 0) +#else +# define JSON_HEDLEY_PREDICT(expr, expected, probability) (JSON_HEDLEY_STATIC_CAST(void, expected), (expr)) +# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) (!!(expr)) +# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) (!!(expr)) +# define JSON_HEDLEY_LIKELY(expr) (!!(expr)) +# define JSON_HEDLEY_UNLIKELY(expr) (!!(expr)) +#endif +#if !defined(JSON_HEDLEY_UNPREDICTABLE) + #define JSON_HEDLEY_UNPREDICTABLE(expr) JSON_HEDLEY_PREDICT(expr, 1, 0.5) +#endif + +#if defined(JSON_HEDLEY_MALLOC) + #undef JSON_HEDLEY_MALLOC +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(malloc) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_MALLOC __attribute__((__malloc__)) +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) + #define JSON_HEDLEY_MALLOC _Pragma("returns_new_memory") +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) + #define JSON_HEDLEY_MALLOC __declspec(restrict) +#else + #define JSON_HEDLEY_MALLOC +#endif + +#if defined(JSON_HEDLEY_PURE) + #undef JSON_HEDLEY_PURE +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(pure) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(2,96,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) +# define JSON_HEDLEY_PURE __attribute__((__pure__)) +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) +# define JSON_HEDLEY_PURE _Pragma("does_not_write_global_data") +#elif defined(__cplusplus) && \ + ( \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) \ + ) +# define JSON_HEDLEY_PURE _Pragma("FUNC_IS_PURE;") +#else +# define JSON_HEDLEY_PURE +#endif + +#if defined(JSON_HEDLEY_CONST) + #undef JSON_HEDLEY_CONST +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(const) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(2,5,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_CONST __attribute__((__const__)) +#elif \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) + #define JSON_HEDLEY_CONST _Pragma("no_side_effect") +#else + #define JSON_HEDLEY_CONST JSON_HEDLEY_PURE +#endif + +#if defined(JSON_HEDLEY_RESTRICT) + #undef JSON_HEDLEY_RESTRICT +#endif +#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && !defined(__cplusplus) + #define JSON_HEDLEY_RESTRICT restrict +#elif \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,4) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus)) || \ + JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ + defined(__clang__) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_RESTRICT __restrict +#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,3,0) && !defined(__cplusplus) + #define JSON_HEDLEY_RESTRICT _Restrict +#else + #define JSON_HEDLEY_RESTRICT +#endif + +#if defined(JSON_HEDLEY_INLINE) + #undef JSON_HEDLEY_INLINE +#endif +#if \ + (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ + (defined(__cplusplus) && (__cplusplus >= 199711L)) + #define JSON_HEDLEY_INLINE inline +#elif \ + defined(JSON_HEDLEY_GCC_VERSION) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(6,2,0) + #define JSON_HEDLEY_INLINE __inline__ +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,1,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_INLINE __inline +#else + #define JSON_HEDLEY_INLINE +#endif + +#if defined(JSON_HEDLEY_ALWAYS_INLINE) + #undef JSON_HEDLEY_ALWAYS_INLINE +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(always_inline) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) || \ + JSON_HEDLEY_IAR_VERSION_CHECK(8,10,0) +# define JSON_HEDLEY_ALWAYS_INLINE __attribute__((__always_inline__)) JSON_HEDLEY_INLINE +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) +# define JSON_HEDLEY_ALWAYS_INLINE __forceinline +#elif defined(__cplusplus) && \ + ( \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) \ + ) +# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("FUNC_ALWAYS_INLINE;") +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) +# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("inline=forced") +#else +# define JSON_HEDLEY_ALWAYS_INLINE JSON_HEDLEY_INLINE +#endif + +#if defined(JSON_HEDLEY_NEVER_INLINE) + #undef JSON_HEDLEY_NEVER_INLINE +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(noinline) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ + JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ + (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ + JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ + JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) || \ + JSON_HEDLEY_IAR_VERSION_CHECK(8,10,0) + #define JSON_HEDLEY_NEVER_INLINE __attribute__((__noinline__)) +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) + #define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) +#elif JSON_HEDLEY_PGI_VERSION_CHECK(10,2,0) + #define JSON_HEDLEY_NEVER_INLINE _Pragma("noinline") +#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) + #define JSON_HEDLEY_NEVER_INLINE _Pragma("FUNC_CANNOT_INLINE;") +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) + #define JSON_HEDLEY_NEVER_INLINE _Pragma("inline=never") +#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) + #define JSON_HEDLEY_NEVER_INLINE __attribute((noinline)) +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) + #define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) +#else + #define JSON_HEDLEY_NEVER_INLINE +#endif + +#if defined(JSON_HEDLEY_PRIVATE) + #undef JSON_HEDLEY_PRIVATE +#endif +#if defined(JSON_HEDLEY_PUBLIC) + #undef JSON_HEDLEY_PUBLIC +#endif +#if defined(JSON_HEDLEY_IMPORT) + #undef JSON_HEDLEY_IMPORT +#endif +#if defined(_WIN32) || defined(__CYGWIN__) +# define JSON_HEDLEY_PRIVATE +# define JSON_HEDLEY_PUBLIC __declspec(dllexport) +# define JSON_HEDLEY_IMPORT __declspec(dllimport) +#else +# if \ + JSON_HEDLEY_HAS_ATTRIBUTE(visibility) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ + JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ + ( \ + defined(__TI_EABI__) && \ + ( \ + (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) \ + ) \ + ) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) +# define JSON_HEDLEY_PRIVATE __attribute__((__visibility__("hidden"))) +# define JSON_HEDLEY_PUBLIC __attribute__((__visibility__("default"))) +# else +# define JSON_HEDLEY_PRIVATE +# define JSON_HEDLEY_PUBLIC +# endif +# define JSON_HEDLEY_IMPORT extern +#endif + +#if defined(JSON_HEDLEY_NO_THROW) + #undef JSON_HEDLEY_NO_THROW +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(nothrow) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_NO_THROW __attribute__((__nothrow__)) +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(13,1,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) + #define JSON_HEDLEY_NO_THROW __declspec(nothrow) +#else + #define JSON_HEDLEY_NO_THROW +#endif + +#if defined(JSON_HEDLEY_FALL_THROUGH) + #undef JSON_HEDLEY_FALL_THROUGH +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(fallthrough) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(7,0,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_FALL_THROUGH __attribute__((__fallthrough__)) +#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(clang,fallthrough) + #define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[clang::fallthrough]]) +#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(fallthrough) + #define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[fallthrough]]) +#elif defined(__fallthrough) /* SAL */ + #define JSON_HEDLEY_FALL_THROUGH __fallthrough +#else + #define JSON_HEDLEY_FALL_THROUGH +#endif + +#if defined(JSON_HEDLEY_RETURNS_NON_NULL) + #undef JSON_HEDLEY_RETURNS_NON_NULL +#endif +#if \ + JSON_HEDLEY_HAS_ATTRIBUTE(returns_nonnull) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_RETURNS_NON_NULL __attribute__((__returns_nonnull__)) +#elif defined(_Ret_notnull_) /* SAL */ + #define JSON_HEDLEY_RETURNS_NON_NULL _Ret_notnull_ +#else + #define JSON_HEDLEY_RETURNS_NON_NULL +#endif + +#if defined(JSON_HEDLEY_ARRAY_PARAM) + #undef JSON_HEDLEY_ARRAY_PARAM +#endif +#if \ + defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ + !defined(__STDC_NO_VLA__) && \ + !defined(__cplusplus) && \ + !defined(JSON_HEDLEY_PGI_VERSION) && \ + !defined(JSON_HEDLEY_TINYC_VERSION) + #define JSON_HEDLEY_ARRAY_PARAM(name) (name) +#else + #define JSON_HEDLEY_ARRAY_PARAM(name) +#endif + +#if defined(JSON_HEDLEY_IS_CONSTANT) + #undef JSON_HEDLEY_IS_CONSTANT +#endif +#if defined(JSON_HEDLEY_REQUIRE_CONSTEXPR) + #undef JSON_HEDLEY_REQUIRE_CONSTEXPR +#endif +/* JSON_HEDLEY_IS_CONSTEXPR_ is for + HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ +#if defined(JSON_HEDLEY_IS_CONSTEXPR_) + #undef JSON_HEDLEY_IS_CONSTEXPR_ +#endif +#if \ + JSON_HEDLEY_HAS_BUILTIN(__builtin_constant_p) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,19) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ + JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ + (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) && !defined(__cplusplus)) || \ + JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) || \ + JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) + #define JSON_HEDLEY_IS_CONSTANT(expr) __builtin_constant_p(expr) +#endif +#if !defined(__cplusplus) +# if \ + JSON_HEDLEY_HAS_BUILTIN(__builtin_types_compatible_p) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ + JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) || \ + JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,24) +#if defined(__INTPTR_TYPE__) + #define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0)), int*) +#else + #include + #define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((intptr_t) ((expr) * 0)) : (int*) 0)), int*) +#endif +# elif \ + ( \ + defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) && \ + !defined(JSON_HEDLEY_SUNPRO_VERSION) && \ + !defined(JSON_HEDLEY_PGI_VERSION) && \ + !defined(JSON_HEDLEY_IAR_VERSION)) || \ + (JSON_HEDLEY_HAS_EXTENSION(c_generic_selections) && !defined(JSON_HEDLEY_IAR_VERSION)) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) || \ + JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ + JSON_HEDLEY_ARM_VERSION_CHECK(5,3,0) +#if defined(__INTPTR_TYPE__) + #define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0), int*: 1, void*: 0) +#else + #include + #define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((intptr_t) * 0) : (int*) 0), int*: 1, void*: 0) +#endif +# elif \ + defined(JSON_HEDLEY_GCC_VERSION) || \ + defined(JSON_HEDLEY_INTEL_VERSION) || \ + defined(JSON_HEDLEY_TINYC_VERSION) || \ + defined(JSON_HEDLEY_TI_ARMCL_VERSION) || \ + JSON_HEDLEY_TI_CL430_VERSION_CHECK(18,12,0) || \ + defined(JSON_HEDLEY_TI_CL2000_VERSION) || \ + defined(JSON_HEDLEY_TI_CL6X_VERSION) || \ + defined(JSON_HEDLEY_TI_CL7X_VERSION) || \ + defined(JSON_HEDLEY_TI_CLPRU_VERSION) || \ + defined(__clang__) +# define JSON_HEDLEY_IS_CONSTEXPR_(expr) ( \ + sizeof(void) != \ + sizeof(*( \ + 1 ? \ + ((void*) ((expr) * 0L) ) : \ +((struct { char v[sizeof(void) * 2]; } *) 1) \ + ) \ + ) \ + ) +# endif +#endif +#if defined(JSON_HEDLEY_IS_CONSTEXPR_) + #if !defined(JSON_HEDLEY_IS_CONSTANT) + #define JSON_HEDLEY_IS_CONSTANT(expr) JSON_HEDLEY_IS_CONSTEXPR_(expr) + #endif + #define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (JSON_HEDLEY_IS_CONSTEXPR_(expr) ? (expr) : (-1)) +#else + #if !defined(JSON_HEDLEY_IS_CONSTANT) + #define JSON_HEDLEY_IS_CONSTANT(expr) (0) + #endif + #define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (expr) +#endif + +#if defined(JSON_HEDLEY_BEGIN_C_DECLS) + #undef JSON_HEDLEY_BEGIN_C_DECLS +#endif +#if defined(JSON_HEDLEY_END_C_DECLS) + #undef JSON_HEDLEY_END_C_DECLS +#endif +#if defined(JSON_HEDLEY_C_DECL) + #undef JSON_HEDLEY_C_DECL +#endif +#if defined(__cplusplus) + #define JSON_HEDLEY_BEGIN_C_DECLS extern "C" { + #define JSON_HEDLEY_END_C_DECLS } + #define JSON_HEDLEY_C_DECL extern "C" +#else + #define JSON_HEDLEY_BEGIN_C_DECLS + #define JSON_HEDLEY_END_C_DECLS + #define JSON_HEDLEY_C_DECL +#endif + +#if defined(JSON_HEDLEY_STATIC_ASSERT) + #undef JSON_HEDLEY_STATIC_ASSERT +#endif +#if \ + !defined(__cplusplus) && ( \ + (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)) || \ + (JSON_HEDLEY_HAS_FEATURE(c_static_assert) && !defined(JSON_HEDLEY_INTEL_CL_VERSION)) || \ + JSON_HEDLEY_GCC_VERSION_CHECK(6,0,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ + defined(_Static_assert) \ + ) +# define JSON_HEDLEY_STATIC_ASSERT(expr, message) _Static_assert(expr, message) +#elif \ + (defined(__cplusplus) && (__cplusplus >= 201103L)) || \ + JSON_HEDLEY_MSVC_VERSION_CHECK(16,0,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) +# define JSON_HEDLEY_STATIC_ASSERT(expr, message) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(static_assert(expr, message)) +#else +# define JSON_HEDLEY_STATIC_ASSERT(expr, message) +#endif + +#if defined(JSON_HEDLEY_NULL) + #undef JSON_HEDLEY_NULL +#endif +#if defined(__cplusplus) + #if __cplusplus >= 201103L + #define JSON_HEDLEY_NULL JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(nullptr) + #elif defined(NULL) + #define JSON_HEDLEY_NULL NULL + #else + #define JSON_HEDLEY_NULL JSON_HEDLEY_STATIC_CAST(void*, 0) + #endif +#elif defined(NULL) + #define JSON_HEDLEY_NULL NULL +#else + #define JSON_HEDLEY_NULL ((void*) 0) +#endif + +#if defined(JSON_HEDLEY_MESSAGE) + #undef JSON_HEDLEY_MESSAGE +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") +# define JSON_HEDLEY_MESSAGE(msg) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ + JSON_HEDLEY_PRAGMA(message msg) \ + JSON_HEDLEY_DIAGNOSTIC_POP +#elif \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,4,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) +# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message msg) +#elif JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) +# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(_CRI message msg) +#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) +# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) +#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,0,0) +# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) +#else +# define JSON_HEDLEY_MESSAGE(msg) +#endif + +#if defined(JSON_HEDLEY_WARNING) + #undef JSON_HEDLEY_WARNING +#endif +#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") +# define JSON_HEDLEY_WARNING(msg) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ + JSON_HEDLEY_PRAGMA(clang warning msg) \ + JSON_HEDLEY_DIAGNOSTIC_POP +#elif \ + JSON_HEDLEY_GCC_VERSION_CHECK(4,8,0) || \ + JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ + JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) +# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(GCC warning msg) +#elif \ + JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) +# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(message(msg)) +#else +# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_MESSAGE(msg) +#endif + +#if defined(JSON_HEDLEY_REQUIRE) + #undef JSON_HEDLEY_REQUIRE +#endif +#if defined(JSON_HEDLEY_REQUIRE_MSG) + #undef JSON_HEDLEY_REQUIRE_MSG +#endif +#if JSON_HEDLEY_HAS_ATTRIBUTE(diagnose_if) +# if JSON_HEDLEY_HAS_WARNING("-Wgcc-compat") +# define JSON_HEDLEY_REQUIRE(expr) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ + __attribute__((diagnose_if(!(expr), #expr, "error"))) \ + JSON_HEDLEY_DIAGNOSTIC_POP +# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ + __attribute__((diagnose_if(!(expr), msg, "error"))) \ + JSON_HEDLEY_DIAGNOSTIC_POP +# else +# define JSON_HEDLEY_REQUIRE(expr) __attribute__((diagnose_if(!(expr), #expr, "error"))) +# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) __attribute__((diagnose_if(!(expr), msg, "error"))) +# endif +#else +# define JSON_HEDLEY_REQUIRE(expr) +# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) +#endif + +#if defined(JSON_HEDLEY_FLAGS) + #undef JSON_HEDLEY_FLAGS +#endif +#if JSON_HEDLEY_HAS_ATTRIBUTE(flag_enum) && (!defined(__cplusplus) || JSON_HEDLEY_HAS_WARNING("-Wbitfield-enum-conversion")) + #define JSON_HEDLEY_FLAGS __attribute__((__flag_enum__)) +#else + #define JSON_HEDLEY_FLAGS +#endif + +#if defined(JSON_HEDLEY_FLAGS_CAST) + #undef JSON_HEDLEY_FLAGS_CAST +#endif +#if JSON_HEDLEY_INTEL_VERSION_CHECK(19,0,0) +# define JSON_HEDLEY_FLAGS_CAST(T, expr) (__extension__ ({ \ + JSON_HEDLEY_DIAGNOSTIC_PUSH \ + _Pragma("warning(disable:188)") \ + ((T) (expr)); \ + JSON_HEDLEY_DIAGNOSTIC_POP \ + })) +#else +# define JSON_HEDLEY_FLAGS_CAST(T, expr) JSON_HEDLEY_STATIC_CAST(T, expr) +#endif + +#if defined(JSON_HEDLEY_EMPTY_BASES) + #undef JSON_HEDLEY_EMPTY_BASES +#endif +#if \ + (JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,23918) && !JSON_HEDLEY_MSVC_VERSION_CHECK(20,0,0)) || \ + JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) + #define JSON_HEDLEY_EMPTY_BASES __declspec(empty_bases) +#else + #define JSON_HEDLEY_EMPTY_BASES +#endif + +/* Remaining macros are deprecated. */ + +#if defined(JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK) + #undef JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK +#endif +#if defined(__clang__) + #define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) (0) +#else + #define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(JSON_HEDLEY_CLANG_HAS_ATTRIBUTE) + #undef JSON_HEDLEY_CLANG_HAS_ATTRIBUTE +#endif +#define JSON_HEDLEY_CLANG_HAS_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_ATTRIBUTE(attribute) + +#if defined(JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE) + #undef JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE +#endif +#define JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) + +#if defined(JSON_HEDLEY_CLANG_HAS_BUILTIN) + #undef JSON_HEDLEY_CLANG_HAS_BUILTIN +#endif +#define JSON_HEDLEY_CLANG_HAS_BUILTIN(builtin) JSON_HEDLEY_HAS_BUILTIN(builtin) + +#if defined(JSON_HEDLEY_CLANG_HAS_FEATURE) + #undef JSON_HEDLEY_CLANG_HAS_FEATURE +#endif +#define JSON_HEDLEY_CLANG_HAS_FEATURE(feature) JSON_HEDLEY_HAS_FEATURE(feature) + +#if defined(JSON_HEDLEY_CLANG_HAS_EXTENSION) + #undef JSON_HEDLEY_CLANG_HAS_EXTENSION +#endif +#define JSON_HEDLEY_CLANG_HAS_EXTENSION(extension) JSON_HEDLEY_HAS_EXTENSION(extension) + +#if defined(JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE) + #undef JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE +#endif +#define JSON_HEDLEY_CLANG_HAS_DECLSPEC_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) + +#if defined(JSON_HEDLEY_CLANG_HAS_WARNING) + #undef JSON_HEDLEY_CLANG_HAS_WARNING +#endif +#define JSON_HEDLEY_CLANG_HAS_WARNING(warning) JSON_HEDLEY_HAS_WARNING(warning) + +#endif /* !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < X) */ + + +// This file contains all internal macro definitions (except those affecting ABI) +// You MUST include macro_unscope.hpp at the end of json.hpp to undef all of them + +// #include + + +// exclude unsupported compilers +#if !defined(JSON_SKIP_UNSUPPORTED_COMPILER_CHECK) + #if defined(__clang__) + #if (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) < 30400 + #error "unsupported Clang version - see https://github.com/nlohmann/json#supported-compilers" + #endif + #elif defined(__GNUC__) && !(defined(__ICC) || defined(__INTEL_COMPILER)) + #if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) < 40800 + #error "unsupported GCC version - see https://github.com/nlohmann/json#supported-compilers" + #endif + #endif +#endif + +// C++ language standard detection +// if the user manually specified the used c++ version this is skipped +#if !defined(JSON_HAS_CPP_20) && !defined(JSON_HAS_CPP_17) && !defined(JSON_HAS_CPP_14) && !defined(JSON_HAS_CPP_11) + #if (defined(__cplusplus) && __cplusplus >= 202002L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L) + #define JSON_HAS_CPP_20 + #define JSON_HAS_CPP_17 + #define JSON_HAS_CPP_14 + #elif (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464 + #define JSON_HAS_CPP_17 + #define JSON_HAS_CPP_14 + #elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1) + #define JSON_HAS_CPP_14 + #endif + // the cpp 11 flag is always specified because it is the minimal required version + #define JSON_HAS_CPP_11 +#endif + +#ifdef __has_include + #if __has_include() + #include + #endif +#endif + +#if !defined(JSON_HAS_FILESYSTEM) && !defined(JSON_HAS_EXPERIMENTAL_FILESYSTEM) + #ifdef JSON_HAS_CPP_17 + #if defined(__cpp_lib_filesystem) + #define JSON_HAS_FILESYSTEM 1 + #elif defined(__cpp_lib_experimental_filesystem) + #define JSON_HAS_EXPERIMENTAL_FILESYSTEM 1 + #elif !defined(__has_include) + #define JSON_HAS_EXPERIMENTAL_FILESYSTEM 1 + #elif __has_include() + #define JSON_HAS_FILESYSTEM 1 + #elif __has_include() + #define JSON_HAS_EXPERIMENTAL_FILESYSTEM 1 + #endif + + // std::filesystem does not work on MinGW GCC 8: https://sourceforge.net/p/mingw-w64/bugs/737/ + #if defined(__MINGW32__) && defined(__GNUC__) && __GNUC__ == 8 + #undef JSON_HAS_FILESYSTEM + #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM + #endif + + // no filesystem support before GCC 8: https://en.cppreference.com/w/cpp/compiler_support + #if defined(__GNUC__) && !defined(__clang__) && __GNUC__ < 8 + #undef JSON_HAS_FILESYSTEM + #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM + #endif + + // no filesystem support before Clang 7: https://en.cppreference.com/w/cpp/compiler_support + #if defined(__clang_major__) && __clang_major__ < 7 + #undef JSON_HAS_FILESYSTEM + #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM + #endif + + // no filesystem support before MSVC 19.14: https://en.cppreference.com/w/cpp/compiler_support + #if defined(_MSC_VER) && _MSC_VER < 1914 + #undef JSON_HAS_FILESYSTEM + #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM + #endif + + // no filesystem support before iOS 13 + #if defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < 130000 + #undef JSON_HAS_FILESYSTEM + #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM + #endif + + // no filesystem support before macOS Catalina + #if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < 101500 + #undef JSON_HAS_FILESYSTEM + #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM + #endif + #endif +#endif + +#ifndef JSON_HAS_EXPERIMENTAL_FILESYSTEM + #define JSON_HAS_EXPERIMENTAL_FILESYSTEM 0 +#endif + +#ifndef JSON_HAS_FILESYSTEM + #define JSON_HAS_FILESYSTEM 0 +#endif + +#ifndef JSON_HAS_THREE_WAY_COMPARISON + #if defined(__cpp_impl_three_way_comparison) && __cpp_impl_three_way_comparison >= 201907L \ + && defined(__cpp_lib_three_way_comparison) && __cpp_lib_three_way_comparison >= 201907L + #define JSON_HAS_THREE_WAY_COMPARISON 1 + #else + #define JSON_HAS_THREE_WAY_COMPARISON 0 + #endif +#endif + +#ifndef JSON_HAS_RANGES + // ranges header shipping in GCC 11.1.0 (released 2021-04-27) has syntax error + #if defined(__GLIBCXX__) && __GLIBCXX__ == 20210427 + #define JSON_HAS_RANGES 0 + #elif defined(__cpp_lib_ranges) + #define JSON_HAS_RANGES 1 + #else + #define JSON_HAS_RANGES 0 + #endif +#endif + +#ifndef JSON_HAS_STATIC_RTTI + #if !defined(_HAS_STATIC_RTTI) || _HAS_STATIC_RTTI != 0 + #define JSON_HAS_STATIC_RTTI 1 + #else + #define JSON_HAS_STATIC_RTTI 0 + #endif +#endif + +#ifdef JSON_HAS_CPP_17 + #define JSON_INLINE_VARIABLE inline +#else + #define JSON_INLINE_VARIABLE +#endif + +#if JSON_HEDLEY_HAS_ATTRIBUTE(no_unique_address) + #define JSON_NO_UNIQUE_ADDRESS [[no_unique_address]] +#else + #define JSON_NO_UNIQUE_ADDRESS +#endif + +// disable documentation warnings on clang +#if defined(__clang__) + #pragma clang diagnostic push + #pragma clang diagnostic ignored "-Wdocumentation" + #pragma clang diagnostic ignored "-Wdocumentation-unknown-command" +#endif + +// allow disabling exceptions +#if (defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND)) && !defined(JSON_NOEXCEPTION) + #define JSON_THROW(exception) throw exception + #define JSON_TRY try + #define JSON_CATCH(exception) catch(exception) + #define JSON_INTERNAL_CATCH(exception) catch(exception) +#else + #include + #define JSON_THROW(exception) std::abort() + #define JSON_TRY if(true) + #define JSON_CATCH(exception) if(false) + #define JSON_INTERNAL_CATCH(exception) if(false) +#endif + +// override exception macros +#if defined(JSON_THROW_USER) + #undef JSON_THROW + #define JSON_THROW JSON_THROW_USER +#endif +#if defined(JSON_TRY_USER) + #undef JSON_TRY + #define JSON_TRY JSON_TRY_USER +#endif +#if defined(JSON_CATCH_USER) + #undef JSON_CATCH + #define JSON_CATCH JSON_CATCH_USER + #undef JSON_INTERNAL_CATCH + #define JSON_INTERNAL_CATCH JSON_CATCH_USER +#endif +#if defined(JSON_INTERNAL_CATCH_USER) + #undef JSON_INTERNAL_CATCH + #define JSON_INTERNAL_CATCH JSON_INTERNAL_CATCH_USER +#endif + +// allow overriding assert +#if !defined(JSON_ASSERT) + #include // assert + #define JSON_ASSERT(x) assert(x) +#endif + +// allow to access some private functions (needed by the test suite) +#if defined(JSON_TESTS_PRIVATE) + #define JSON_PRIVATE_UNLESS_TESTED public +#else + #define JSON_PRIVATE_UNLESS_TESTED private +#endif + +/*! +@brief macro to briefly define a mapping between an enum and JSON +@def NLOHMANN_JSON_SERIALIZE_ENUM +@since version 3.4.0 +*/ +#define NLOHMANN_JSON_SERIALIZE_ENUM(ENUM_TYPE, ...) \ + template \ + inline void to_json(BasicJsonType& j, const ENUM_TYPE& e) \ + { \ + static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ + static const std::pair m[] = __VA_ARGS__; \ + auto it = std::find_if(std::begin(m), std::end(m), \ + [e](const std::pair& ej_pair) -> bool \ + { \ + return ej_pair.first == e; \ + }); \ + j = ((it != std::end(m)) ? it : std::begin(m))->second; \ + } \ + template \ + inline void from_json(const BasicJsonType& j, ENUM_TYPE& e) \ + { \ + static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ + static const std::pair m[] = __VA_ARGS__; \ + auto it = std::find_if(std::begin(m), std::end(m), \ + [&j](const std::pair& ej_pair) -> bool \ + { \ + return ej_pair.second == j; \ + }); \ + e = ((it != std::end(m)) ? it : std::begin(m))->first; \ + } + +// Ugly macros to avoid uglier copy-paste when specializing basic_json. They +// may be removed in the future once the class is split. + +#define NLOHMANN_BASIC_JSON_TPL_DECLARATION \ + template class ObjectType, \ + template class ArrayType, \ + class StringType, class BooleanType, class NumberIntegerType, \ + class NumberUnsignedType, class NumberFloatType, \ + template class AllocatorType, \ + template class JSONSerializer, \ + class BinaryType, \ + class CustomBaseClass> + +#define NLOHMANN_BASIC_JSON_TPL \ + basic_json + +// Macros to simplify conversion from/to types + +#define NLOHMANN_JSON_EXPAND( x ) x +#define NLOHMANN_JSON_GET_MACRO(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, NAME,...) NAME +#define NLOHMANN_JSON_PASTE(...) NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_GET_MACRO(__VA_ARGS__, \ + NLOHMANN_JSON_PASTE64, \ + NLOHMANN_JSON_PASTE63, \ + NLOHMANN_JSON_PASTE62, \ + NLOHMANN_JSON_PASTE61, \ + NLOHMANN_JSON_PASTE60, \ + NLOHMANN_JSON_PASTE59, \ + NLOHMANN_JSON_PASTE58, \ + NLOHMANN_JSON_PASTE57, \ + NLOHMANN_JSON_PASTE56, \ + NLOHMANN_JSON_PASTE55, \ + NLOHMANN_JSON_PASTE54, \ + NLOHMANN_JSON_PASTE53, \ + NLOHMANN_JSON_PASTE52, \ + NLOHMANN_JSON_PASTE51, \ + NLOHMANN_JSON_PASTE50, \ + NLOHMANN_JSON_PASTE49, \ + NLOHMANN_JSON_PASTE48, \ + NLOHMANN_JSON_PASTE47, \ + NLOHMANN_JSON_PASTE46, \ + NLOHMANN_JSON_PASTE45, \ + NLOHMANN_JSON_PASTE44, \ + NLOHMANN_JSON_PASTE43, \ + NLOHMANN_JSON_PASTE42, \ + NLOHMANN_JSON_PASTE41, \ + NLOHMANN_JSON_PASTE40, \ + NLOHMANN_JSON_PASTE39, \ + NLOHMANN_JSON_PASTE38, \ + NLOHMANN_JSON_PASTE37, \ + NLOHMANN_JSON_PASTE36, \ + NLOHMANN_JSON_PASTE35, \ + NLOHMANN_JSON_PASTE34, \ + NLOHMANN_JSON_PASTE33, \ + NLOHMANN_JSON_PASTE32, \ + NLOHMANN_JSON_PASTE31, \ + NLOHMANN_JSON_PASTE30, \ + NLOHMANN_JSON_PASTE29, \ + NLOHMANN_JSON_PASTE28, \ + NLOHMANN_JSON_PASTE27, \ + NLOHMANN_JSON_PASTE26, \ + NLOHMANN_JSON_PASTE25, \ + NLOHMANN_JSON_PASTE24, \ + NLOHMANN_JSON_PASTE23, \ + NLOHMANN_JSON_PASTE22, \ + NLOHMANN_JSON_PASTE21, \ + NLOHMANN_JSON_PASTE20, \ + NLOHMANN_JSON_PASTE19, \ + NLOHMANN_JSON_PASTE18, \ + NLOHMANN_JSON_PASTE17, \ + NLOHMANN_JSON_PASTE16, \ + NLOHMANN_JSON_PASTE15, \ + NLOHMANN_JSON_PASTE14, \ + NLOHMANN_JSON_PASTE13, \ + NLOHMANN_JSON_PASTE12, \ + NLOHMANN_JSON_PASTE11, \ + NLOHMANN_JSON_PASTE10, \ + NLOHMANN_JSON_PASTE9, \ + NLOHMANN_JSON_PASTE8, \ + NLOHMANN_JSON_PASTE7, \ + NLOHMANN_JSON_PASTE6, \ + NLOHMANN_JSON_PASTE5, \ + NLOHMANN_JSON_PASTE4, \ + NLOHMANN_JSON_PASTE3, \ + NLOHMANN_JSON_PASTE2, \ + NLOHMANN_JSON_PASTE1)(__VA_ARGS__)) +#define NLOHMANN_JSON_PASTE2(func, v1) func(v1) +#define NLOHMANN_JSON_PASTE3(func, v1, v2) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE2(func, v2) +#define NLOHMANN_JSON_PASTE4(func, v1, v2, v3) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE3(func, v2, v3) +#define NLOHMANN_JSON_PASTE5(func, v1, v2, v3, v4) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE4(func, v2, v3, v4) +#define NLOHMANN_JSON_PASTE6(func, v1, v2, v3, v4, v5) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE5(func, v2, v3, v4, v5) +#define NLOHMANN_JSON_PASTE7(func, v1, v2, v3, v4, v5, v6) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE6(func, v2, v3, v4, v5, v6) +#define NLOHMANN_JSON_PASTE8(func, v1, v2, v3, v4, v5, v6, v7) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE7(func, v2, v3, v4, v5, v6, v7) +#define NLOHMANN_JSON_PASTE9(func, v1, v2, v3, v4, v5, v6, v7, v8) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE8(func, v2, v3, v4, v5, v6, v7, v8) +#define NLOHMANN_JSON_PASTE10(func, v1, v2, v3, v4, v5, v6, v7, v8, v9) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE9(func, v2, v3, v4, v5, v6, v7, v8, v9) +#define NLOHMANN_JSON_PASTE11(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE10(func, v2, v3, v4, v5, v6, v7, v8, v9, v10) +#define NLOHMANN_JSON_PASTE12(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE11(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) +#define NLOHMANN_JSON_PASTE13(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE12(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) +#define NLOHMANN_JSON_PASTE14(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE13(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) +#define NLOHMANN_JSON_PASTE15(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE14(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) +#define NLOHMANN_JSON_PASTE16(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE15(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) +#define NLOHMANN_JSON_PASTE17(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE16(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) +#define NLOHMANN_JSON_PASTE18(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE17(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) +#define NLOHMANN_JSON_PASTE19(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE18(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) +#define NLOHMANN_JSON_PASTE20(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE19(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) +#define NLOHMANN_JSON_PASTE21(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE20(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) +#define NLOHMANN_JSON_PASTE22(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE21(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) +#define NLOHMANN_JSON_PASTE23(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE22(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) +#define NLOHMANN_JSON_PASTE24(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE23(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) +#define NLOHMANN_JSON_PASTE25(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE24(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) +#define NLOHMANN_JSON_PASTE26(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE25(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) +#define NLOHMANN_JSON_PASTE27(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE26(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) +#define NLOHMANN_JSON_PASTE28(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE27(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) +#define NLOHMANN_JSON_PASTE29(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE28(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) +#define NLOHMANN_JSON_PASTE30(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE29(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) +#define NLOHMANN_JSON_PASTE31(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE30(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) +#define NLOHMANN_JSON_PASTE32(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE31(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) +#define NLOHMANN_JSON_PASTE33(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE32(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) +#define NLOHMANN_JSON_PASTE34(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE33(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) +#define NLOHMANN_JSON_PASTE35(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE34(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) +#define NLOHMANN_JSON_PASTE36(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE35(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) +#define NLOHMANN_JSON_PASTE37(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE36(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) +#define NLOHMANN_JSON_PASTE38(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE37(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) +#define NLOHMANN_JSON_PASTE39(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE38(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) +#define NLOHMANN_JSON_PASTE40(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE39(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) +#define NLOHMANN_JSON_PASTE41(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE40(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) +#define NLOHMANN_JSON_PASTE42(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE41(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) +#define NLOHMANN_JSON_PASTE43(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE42(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) +#define NLOHMANN_JSON_PASTE44(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE43(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) +#define NLOHMANN_JSON_PASTE45(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE44(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) +#define NLOHMANN_JSON_PASTE46(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE45(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) +#define NLOHMANN_JSON_PASTE47(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE46(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) +#define NLOHMANN_JSON_PASTE48(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE47(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) +#define NLOHMANN_JSON_PASTE49(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE48(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) +#define NLOHMANN_JSON_PASTE50(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE49(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) +#define NLOHMANN_JSON_PASTE51(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE50(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) +#define NLOHMANN_JSON_PASTE52(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE51(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) +#define NLOHMANN_JSON_PASTE53(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE52(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) +#define NLOHMANN_JSON_PASTE54(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE53(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) +#define NLOHMANN_JSON_PASTE55(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE54(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) +#define NLOHMANN_JSON_PASTE56(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE55(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) +#define NLOHMANN_JSON_PASTE57(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE56(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) +#define NLOHMANN_JSON_PASTE58(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE57(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) +#define NLOHMANN_JSON_PASTE59(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE58(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) +#define NLOHMANN_JSON_PASTE60(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE59(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) +#define NLOHMANN_JSON_PASTE61(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE60(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) +#define NLOHMANN_JSON_PASTE62(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE61(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) +#define NLOHMANN_JSON_PASTE63(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE62(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) +#define NLOHMANN_JSON_PASTE64(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE63(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) + +#define NLOHMANN_JSON_TO(v1) nlohmann_json_j[#v1] = nlohmann_json_t.v1; +#define NLOHMANN_JSON_FROM(v1) nlohmann_json_j.at(#v1).get_to(nlohmann_json_t.v1); +#define NLOHMANN_JSON_FROM_WITH_DEFAULT(v1) nlohmann_json_t.v1 = nlohmann_json_j.value(#v1, nlohmann_json_default_obj.v1); + +/*! +@brief macro +@def NLOHMANN_DEFINE_TYPE_INTRUSIVE +@since version 3.9.0 +*/ +#define NLOHMANN_DEFINE_TYPE_INTRUSIVE(Type, ...) \ + friend void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + friend void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } + +#define NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT(Type, ...) \ + friend void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + friend void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { const Type nlohmann_json_default_obj{}; NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM_WITH_DEFAULT, __VA_ARGS__)) } + +#define NLOHMANN_DEFINE_TYPE_INTRUSIVE_ONLY_SERIALIZE(Type, ...) \ + friend void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } + +/*! +@brief macro +@def NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE +@since version 3.9.0 +*/ +#define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Type, ...) \ + inline void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + inline void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } + +#define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_ONLY_SERIALIZE(Type, ...) \ + inline void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } + +#define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT(Type, ...) \ + inline void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + inline void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { const Type nlohmann_json_default_obj{}; NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM_WITH_DEFAULT, __VA_ARGS__)) } + +// inspired from https://stackoverflow.com/a/26745591 +// allows to call any std function as if (e.g. with begin): +// using std::begin; begin(x); +// +// it allows using the detected idiom to retrieve the return type +// of such an expression +#define NLOHMANN_CAN_CALL_STD_FUNC_IMPL(std_name) \ + namespace detail { \ + using std::std_name; \ + \ + template \ + using result_of_##std_name = decltype(std_name(std::declval()...)); \ + } \ + \ + namespace detail2 { \ + struct std_name##_tag \ + { \ + }; \ + \ + template \ + std_name##_tag std_name(T&&...); \ + \ + template \ + using result_of_##std_name = decltype(std_name(std::declval()...)); \ + \ + template \ + struct would_call_std_##std_name \ + { \ + static constexpr auto const value = ::nlohmann::detail:: \ + is_detected_exact::value; \ + }; \ + } /* namespace detail2 */ \ + \ + template \ + struct would_call_std_##std_name : detail2::would_call_std_##std_name \ + { \ + } + +#ifndef JSON_USE_IMPLICIT_CONVERSIONS + #define JSON_USE_IMPLICIT_CONVERSIONS 1 +#endif + +#if JSON_USE_IMPLICIT_CONVERSIONS + #define JSON_EXPLICIT +#else + #define JSON_EXPLICIT explicit +#endif + +#ifndef JSON_DISABLE_ENUM_SERIALIZATION + #define JSON_DISABLE_ENUM_SERIALIZATION 0 +#endif + +#ifndef JSON_USE_GLOBAL_UDLS + #define JSON_USE_GLOBAL_UDLS 1 +#endif + +#if JSON_HAS_THREE_WAY_COMPARISON + #include // partial_ordering +#endif + +NLOHMANN_JSON_NAMESPACE_BEGIN +namespace detail +{ + +/////////////////////////// +// JSON type enumeration // +/////////////////////////// + +/*! +@brief the JSON type enumeration + +This enumeration collects the different JSON types. It is internally used to +distinguish the stored values, and the functions @ref basic_json::is_null(), +@ref basic_json::is_object(), @ref basic_json::is_array(), +@ref basic_json::is_string(), @ref basic_json::is_boolean(), +@ref basic_json::is_number() (with @ref basic_json::is_number_integer(), +@ref basic_json::is_number_unsigned(), and @ref basic_json::is_number_float()), +@ref basic_json::is_discarded(), @ref basic_json::is_primitive(), and +@ref basic_json::is_structured() rely on it. + +@note There are three enumeration entries (number_integer, number_unsigned, and +number_float), because the library distinguishes these three types for numbers: +@ref basic_json::number_unsigned_t is used for unsigned integers, +@ref basic_json::number_integer_t is used for signed integers, and +@ref basic_json::number_float_t is used for floating-point numbers or to +approximate integers which do not fit in the limits of their respective type. + +@sa see @ref basic_json::basic_json(const value_t value_type) -- create a JSON +value with the default value for a given type + +@since version 1.0.0 +*/ +enum class value_t : std::uint8_t +{ + null, ///< null value + object, ///< object (unordered set of name/value pairs) + array, ///< array (ordered collection of values) + string, ///< string value + boolean, ///< boolean value + number_integer, ///< number value (signed integer) + number_unsigned, ///< number value (unsigned integer) + number_float, ///< number value (floating-point) + binary, ///< binary array (ordered collection of bytes) + discarded ///< discarded by the parser callback function +}; + +/*! +@brief comparison operator for JSON types + +Returns an ordering that is similar to Python: +- order: null < boolean < number < object < array < string < binary +- furthermore, each type is not smaller than itself +- discarded values are not comparable +- binary is represented as a b"" string in python and directly comparable to a + string; however, making a binary array directly comparable with a string would + be surprising behavior in a JSON file. + +@since version 1.0.0 +*/ +#if JSON_HAS_THREE_WAY_COMPARISON + inline std::partial_ordering operator<=>(const value_t lhs, const value_t rhs) noexcept // *NOPAD* +#else + inline bool operator<(const value_t lhs, const value_t rhs) noexcept +#endif +{ + static constexpr std::array order = {{ + 0 /* null */, 3 /* object */, 4 /* array */, 5 /* string */, + 1 /* boolean */, 2 /* integer */, 2 /* unsigned */, 2 /* float */, + 6 /* binary */ + } + }; + + const auto l_index = static_cast(lhs); + const auto r_index = static_cast(rhs); +#if JSON_HAS_THREE_WAY_COMPARISON + if (l_index < order.size() && r_index < order.size()) + { + return order[l_index] <=> order[r_index]; // *NOPAD* + } + return std::partial_ordering::unordered; +#else + return l_index < order.size() && r_index < order.size() && order[l_index] < order[r_index]; +#endif +} + +// GCC selects the built-in operator< over an operator rewritten from +// a user-defined spaceship operator +// Clang, MSVC, and ICC select the rewritten candidate +// (see GCC bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105200) +#if JSON_HAS_THREE_WAY_COMPARISON && defined(__GNUC__) +inline bool operator<(const value_t lhs, const value_t rhs) noexcept +{ + return std::is_lt(lhs <=> rhs); // *NOPAD* +} +#endif + +} // namespace detail +NLOHMANN_JSON_NAMESPACE_END + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +// #include + + +NLOHMANN_JSON_NAMESPACE_BEGIN +namespace detail +{ + +/*! +@brief replace all occurrences of a substring by another string + +@param[in,out] s the string to manipulate; changed so that all + occurrences of @a f are replaced with @a t +@param[in] f the substring to replace with @a t +@param[in] t the string to replace @a f + +@pre The search string @a f must not be empty. **This precondition is +enforced with an assertion.** + +@since version 2.0.0 +*/ +template +inline void replace_substring(StringType& s, const StringType& f, + const StringType& t) +{ + JSON_ASSERT(!f.empty()); + for (auto pos = s.find(f); // find first occurrence of f + pos != StringType::npos; // make sure f was found + s.replace(pos, f.size(), t), // replace with t, and + pos = s.find(f, pos + t.size())) // find next occurrence of f + {} +} + +/*! + * @brief string escaping as described in RFC 6901 (Sect. 4) + * @param[in] s string to escape + * @return escaped string + * + * Note the order of escaping "~" to "~0" and "/" to "~1" is important. + */ +template +inline StringType escape(StringType s) +{ + replace_substring(s, StringType{"~"}, StringType{"~0"}); + replace_substring(s, StringType{"/"}, StringType{"~1"}); + return s; +} + +/*! + * @brief string unescaping as described in RFC 6901 (Sect. 4) + * @param[in] s string to unescape + * @return unescaped string + * + * Note the order of escaping "~1" to "/" and "~0" to "~" is important. + */ +template +static void unescape(StringType& s) +{ + replace_substring(s, StringType{"~1"}, StringType{"/"}); + replace_substring(s, StringType{"~0"}, StringType{"~"}); +} + +} // namespace detail +NLOHMANN_JSON_NAMESPACE_END + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +#include // size_t + +// #include + + +NLOHMANN_JSON_NAMESPACE_BEGIN +namespace detail +{ + +/// struct to capture the start position of the current token +struct position_t +{ + /// the total number of characters read + std::size_t chars_read_total = 0; + /// the number of characters read in the current line + std::size_t chars_read_current_line = 0; + /// the number of lines read + std::size_t lines_read = 0; + + /// conversion to size_t to preserve SAX interface + constexpr operator size_t() const + { + return chars_read_total; + } +}; + +} // namespace detail +NLOHMANN_JSON_NAMESPACE_END + +// #include + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-FileCopyrightText: 2018 The Abseil Authors +// SPDX-License-Identifier: MIT + + + +#include // array +#include // size_t +#include // conditional, enable_if, false_type, integral_constant, is_constructible, is_integral, is_same, remove_cv, remove_reference, true_type +#include // index_sequence, make_index_sequence, index_sequence_for + +// #include + + +NLOHMANN_JSON_NAMESPACE_BEGIN +namespace detail +{ + +template +using uncvref_t = typename std::remove_cv::type>::type; + +#ifdef JSON_HAS_CPP_14 + +// the following utilities are natively available in C++14 +using std::enable_if_t; +using std::index_sequence; +using std::make_index_sequence; +using std::index_sequence_for; + +#else + +// alias templates to reduce boilerplate +template +using enable_if_t = typename std::enable_if::type; + +// The following code is taken from https://github.com/abseil/abseil-cpp/blob/10cb35e459f5ecca5b2ff107635da0bfa41011b4/absl/utility/utility.h +// which is part of Google Abseil (https://github.com/abseil/abseil-cpp), licensed under the Apache License 2.0. + +//// START OF CODE FROM GOOGLE ABSEIL + +// integer_sequence +// +// Class template representing a compile-time integer sequence. An instantiation +// of `integer_sequence` has a sequence of integers encoded in its +// type through its template arguments (which is a common need when +// working with C++11 variadic templates). `absl::integer_sequence` is designed +// to be a drop-in replacement for C++14's `std::integer_sequence`. +// +// Example: +// +// template< class T, T... Ints > +// void user_function(integer_sequence); +// +// int main() +// { +// // user_function's `T` will be deduced to `int` and `Ints...` +// // will be deduced to `0, 1, 2, 3, 4`. +// user_function(make_integer_sequence()); +// } +template +struct integer_sequence +{ + using value_type = T; + static constexpr std::size_t size() noexcept + { + return sizeof...(Ints); + } +}; + +// index_sequence +// +// A helper template for an `integer_sequence` of `size_t`, +// `absl::index_sequence` is designed to be a drop-in replacement for C++14's +// `std::index_sequence`. +template +using index_sequence = integer_sequence; + +namespace utility_internal +{ + +template +struct Extend; + +// Note that SeqSize == sizeof...(Ints). It's passed explicitly for efficiency. +template +struct Extend, SeqSize, 0> +{ + using type = integer_sequence < T, Ints..., (Ints + SeqSize)... >; +}; + +template +struct Extend, SeqSize, 1> +{ + using type = integer_sequence < T, Ints..., (Ints + SeqSize)..., 2 * SeqSize >; +}; + +// Recursion helper for 'make_integer_sequence'. +// 'Gen::type' is an alias for 'integer_sequence'. +template +struct Gen +{ + using type = + typename Extend < typename Gen < T, N / 2 >::type, N / 2, N % 2 >::type; +}; + +template +struct Gen +{ + using type = integer_sequence; +}; + +} // namespace utility_internal + +// Compile-time sequences of integers + +// make_integer_sequence +// +// This template alias is equivalent to +// `integer_sequence`, and is designed to be a drop-in +// replacement for C++14's `std::make_integer_sequence`. +template +using make_integer_sequence = typename utility_internal::Gen::type; + +// make_index_sequence +// +// This template alias is equivalent to `index_sequence<0, 1, ..., N-1>`, +// and is designed to be a drop-in replacement for C++14's +// `std::make_index_sequence`. +template +using make_index_sequence = make_integer_sequence; + +// index_sequence_for +// +// Converts a typename pack into an index sequence of the same length, and +// is designed to be a drop-in replacement for C++14's +// `std::index_sequence_for()` +template +using index_sequence_for = make_index_sequence; + +//// END OF CODE FROM GOOGLE ABSEIL + +#endif + +// dispatch utility (taken from ranges-v3) +template struct priority_tag : priority_tag < N - 1 > {}; +template<> struct priority_tag<0> {}; + +// taken from ranges-v3 +template +struct static_const +{ + static JSON_INLINE_VARIABLE constexpr T value{}; +}; + +#ifndef JSON_HAS_CPP_17 + template + constexpr T static_const::value; +#endif + +template +inline constexpr std::array make_array(Args&& ... args) +{ + return std::array {{static_cast(std::forward(args))...}}; +} + +} // namespace detail +NLOHMANN_JSON_NAMESPACE_END + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +#include // numeric_limits +#include // false_type, is_constructible, is_integral, is_same, true_type +#include // declval +#include // tuple +#include // char_traits + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +#include // random_access_iterator_tag + +// #include + +// #include + +// #include + + +NLOHMANN_JSON_NAMESPACE_BEGIN +namespace detail +{ + +template +struct iterator_types {}; + +template +struct iterator_types < + It, + void_t> +{ + using difference_type = typename It::difference_type; + using value_type = typename It::value_type; + using pointer = typename It::pointer; + using reference = typename It::reference; + using iterator_category = typename It::iterator_category; +}; + +// This is required as some compilers implement std::iterator_traits in a way that +// doesn't work with SFINAE. See https://github.com/nlohmann/json/issues/1341. +template +struct iterator_traits +{ +}; + +template +struct iterator_traits < T, enable_if_t < !std::is_pointer::value >> + : iterator_types +{ +}; + +template +struct iterator_traits::value>> +{ + using iterator_category = std::random_access_iterator_tag; + using value_type = T; + using difference_type = ptrdiff_t; + using pointer = T*; + using reference = T&; +}; + +} // namespace detail +NLOHMANN_JSON_NAMESPACE_END + +// #include + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +// #include + + +NLOHMANN_JSON_NAMESPACE_BEGIN + +NLOHMANN_CAN_CALL_STD_FUNC_IMPL(begin); + +NLOHMANN_JSON_NAMESPACE_END + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +// #include + + +NLOHMANN_JSON_NAMESPACE_BEGIN + +NLOHMANN_CAN_CALL_STD_FUNC_IMPL(end); + +NLOHMANN_JSON_NAMESPACE_END + +// #include + +// #include + +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.3 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2023 Niels Lohmann +// SPDX-License-Identifier: MIT + +#ifndef INCLUDE_NLOHMANN_JSON_FWD_HPP_ + #define INCLUDE_NLOHMANN_JSON_FWD_HPP_ + + #include // int64_t, uint64_t + #include // map + #include // allocator + #include // string + #include // vector + + // #include + + + /*! + @brief namespace for Niels Lohmann + @see https://github.com/nlohmann + @since version 1.0.0 + */ + NLOHMANN_JSON_NAMESPACE_BEGIN + + /*! + @brief default JSONSerializer template argument + + This serializer ignores the template arguments and uses ADL + ([argument-dependent lookup](https://en.cppreference.com/w/cpp/language/adl)) + for serialization. + */ + template + struct adl_serializer; + + /// a class to store JSON values + /// @sa https://json.nlohmann.me/api/basic_json/ + template class ObjectType = + std::map, + template class ArrayType = std::vector, + class StringType = std::string, class BooleanType = bool, + class NumberIntegerType = std::int64_t, + class NumberUnsignedType = std::uint64_t, + class NumberFloatType = double, + template class AllocatorType = std::allocator, + template class JSONSerializer = + adl_serializer, + class BinaryType = std::vector, // cppcheck-suppress syntaxError + class CustomBaseClass = void> + class basic_json; + + /// @brief JSON Pointer defines a string syntax for identifying a specific value within a JSON document + /// @sa https://json.nlohmann.me/api/json_pointer/ + template + class json_pointer; + + /*! + @brief default specialization + @sa https://json.nlohmann.me/api/json/ + */ + using json = basic_json<>; + + /// @brief a minimal map-like container that preserves insertion order + /// @sa https://json.nlohmann.me/api/ordered_map/ + template + struct ordered_map; + + /// @brief specialization that maintains the insertion order of object keys + /// @sa https://json.nlohmann.me/api/ordered_json/ + using ordered_json = basic_json; + + NLOHMANN_JSON_NAMESPACE_END + +#endif // INCLUDE_NLOHMANN_JSON_FWD_HPP_ + + +NLOHMANN_JSON_NAMESPACE_BEGIN +/*! +@brief detail namespace with internal helper functions + +This namespace collects functions that should not be exposed, +implementations of some @ref basic_json methods, and meta-programming helpers. + +@since version 2.1.0 +*/ +namespace detail +{ + +///////////// +// helpers // +///////////// + +// Note to maintainers: +// +// Every trait in this file expects a non CV-qualified type. +// The only exceptions are in the 'aliases for detected' section +// (i.e. those of the form: decltype(T::member_function(std::declval()))) +// +// In this case, T has to be properly CV-qualified to constraint the function arguments +// (e.g. to_json(BasicJsonType&, const T&)) + +template struct is_basic_json : std::false_type {}; + +NLOHMANN_BASIC_JSON_TPL_DECLARATION +struct is_basic_json : std::true_type {}; + +// used by exceptions create() member functions +// true_type for pointer to possibly cv-qualified basic_json or std::nullptr_t +// false_type otherwise +template +struct is_basic_json_context : + std::integral_constant < bool, + is_basic_json::type>::type>::value + || std::is_same::value > +{}; + +////////////////////// +// json_ref helpers // +////////////////////// + +template +class json_ref; + +template +struct is_json_ref : std::false_type {}; + +template +struct is_json_ref> : std::true_type {}; + +////////////////////////// +// aliases for detected // +////////////////////////// + +template +using mapped_type_t = typename T::mapped_type; + +template +using key_type_t = typename T::key_type; + +template +using value_type_t = typename T::value_type; + +template +using difference_type_t = typename T::difference_type; + +template +using pointer_t = typename T::pointer; + +template +using reference_t = typename T::reference; + +template +using iterator_category_t = typename T::iterator_category; + +template +using to_json_function = decltype(T::to_json(std::declval()...)); + +template +using from_json_function = decltype(T::from_json(std::declval()...)); + +template +using get_template_function = decltype(std::declval().template get()); + +// trait checking if JSONSerializer::from_json(json const&, udt&) exists +template +struct has_from_json : std::false_type {}; + +// trait checking if j.get is valid +// use this trait instead of std::is_constructible or std::is_convertible, +// both rely on, or make use of implicit conversions, and thus fail when T +// has several constructors/operator= (see https://github.com/nlohmann/json/issues/958) +template +struct is_getable +{ + static constexpr bool value = is_detected::value; +}; + +template +struct has_from_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> +{ + using serializer = typename BasicJsonType::template json_serializer; + + static constexpr bool value = + is_detected_exact::value; +}; + +// This trait checks if JSONSerializer::from_json(json const&) exists +// this overload is used for non-default-constructible user-defined-types +template +struct has_non_default_from_json : std::false_type {}; + +template +struct has_non_default_from_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> +{ + using serializer = typename BasicJsonType::template json_serializer; + + static constexpr bool value = + is_detected_exact::value; +}; + +// This trait checks if BasicJsonType::json_serializer::to_json exists +// Do not evaluate the trait when T is a basic_json type, to avoid template instantiation infinite recursion. +template +struct has_to_json : std::false_type {}; + +template +struct has_to_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> +{ + using serializer = typename BasicJsonType::template json_serializer; + + static constexpr bool value = + is_detected_exact::value; +}; + +template +using detect_key_compare = typename T::key_compare; + +template +struct has_key_compare : std::integral_constant::value> {}; + +// obtains the actual object key comparator +template +struct actual_object_comparator +{ + using object_t = typename BasicJsonType::object_t; + using object_comparator_t = typename BasicJsonType::default_object_comparator_t; + using type = typename std::conditional < has_key_compare::value, + typename object_t::key_compare, object_comparator_t>::type; +}; + +template +using actual_object_comparator_t = typename actual_object_comparator::type; + +///////////////// +// char_traits // +///////////////// + +// Primary template of char_traits calls std char_traits +template +struct char_traits : std::char_traits +{}; + +// Explicitly define char traits for unsigned char since it is not standard +template<> +struct char_traits : std::char_traits +{ + using char_type = unsigned char; + using int_type = uint64_t; + + // Redefine to_int_type function + static int_type to_int_type(char_type c) noexcept + { + return static_cast(c); + } + + static char_type to_char_type(int_type i) noexcept + { + return static_cast(i); + } + + static constexpr int_type eof() noexcept + { + return static_cast(EOF); + } +}; + +// Explicitly define char traits for signed char since it is not standard +template<> +struct char_traits : std::char_traits +{ + using char_type = signed char; + using int_type = uint64_t; + + // Redefine to_int_type function + static int_type to_int_type(char_type c) noexcept + { + return static_cast(c); + } + + static char_type to_char_type(int_type i) noexcept + { + return static_cast(i); + } + + static constexpr int_type eof() noexcept + { + return static_cast(EOF); + } +}; + +/////////////////// +// is_ functions // +/////////////////// + +// https://en.cppreference.com/w/cpp/types/conjunction +template struct conjunction : std::true_type { }; +template struct conjunction : B { }; +template +struct conjunction +: std::conditional(B::value), conjunction, B>::type {}; + +// https://en.cppreference.com/w/cpp/types/negation +template struct negation : std::integral_constant < bool, !B::value > { }; + +// Reimplementation of is_constructible and is_default_constructible, due to them being broken for +// std::pair and std::tuple until LWG 2367 fix (see https://cplusplus.github.io/LWG/lwg-defects.html#2367). +// This causes compile errors in e.g. clang 3.5 or gcc 4.9. +template +struct is_default_constructible : std::is_default_constructible {}; + +template +struct is_default_constructible> + : conjunction, is_default_constructible> {}; + +template +struct is_default_constructible> + : conjunction, is_default_constructible> {}; + +template +struct is_default_constructible> + : conjunction...> {}; + +template +struct is_default_constructible> + : conjunction...> {}; + +template +struct is_constructible : std::is_constructible {}; + +template +struct is_constructible> : is_default_constructible> {}; + +template +struct is_constructible> : is_default_constructible> {}; + +template +struct is_constructible> : is_default_constructible> {}; + +template +struct is_constructible> : is_default_constructible> {}; + +template +struct is_iterator_traits : std::false_type {}; + +template +struct is_iterator_traits> +{ + private: + using traits = iterator_traits; + + public: + static constexpr auto value = + is_detected::value && + is_detected::value && + is_detected::value && + is_detected::value && + is_detected::value; +}; + +template +struct is_range +{ + private: + using t_ref = typename std::add_lvalue_reference::type; + + using iterator = detected_t; + using sentinel = detected_t; + + // to be 100% correct, it should use https://en.cppreference.com/w/cpp/iterator/input_or_output_iterator + // and https://en.cppreference.com/w/cpp/iterator/sentinel_for + // but reimplementing these would be too much work, as a lot of other concepts are used underneath + static constexpr auto is_iterator_begin = + is_iterator_traits>::value; + + public: + static constexpr bool value = !std::is_same::value && !std::is_same::value && is_iterator_begin; +}; + +template +using iterator_t = enable_if_t::value, result_of_begin())>>; + +template +using range_value_t = value_type_t>>; + +// The following implementation of is_complete_type is taken from +// https://blogs.msdn.microsoft.com/vcblog/2015/12/02/partial-support-for-expression-sfinae-in-vs-2015-update-1/ +// and is written by Xiang Fan who agreed to using it in this library. + +template +struct is_complete_type : std::false_type {}; + +template +struct is_complete_type : std::true_type {}; + +template +struct is_compatible_object_type_impl : std::false_type {}; + +template +struct is_compatible_object_type_impl < + BasicJsonType, CompatibleObjectType, + enable_if_t < is_detected::value&& + is_detected::value >> +{ + using object_t = typename BasicJsonType::object_t; + + // macOS's is_constructible does not play well with nonesuch... + static constexpr bool value = + is_constructible::value && + is_constructible::value; +}; + +template +struct is_compatible_object_type + : is_compatible_object_type_impl {}; + +template +struct is_constructible_object_type_impl : std::false_type {}; + +template +struct is_constructible_object_type_impl < + BasicJsonType, ConstructibleObjectType, + enable_if_t < is_detected::value&& + is_detected::value >> +{ + using object_t = typename BasicJsonType::object_t; + + static constexpr bool value = + (is_default_constructible::value && + (std::is_move_assignable::value || + std::is_copy_assignable::value) && + (is_constructible::value && + std::is_same < + typename object_t::mapped_type, + typename ConstructibleObjectType::mapped_type >::value)) || + (has_from_json::value || + has_non_default_from_json < + BasicJsonType, + typename ConstructibleObjectType::mapped_type >::value); +}; + +template +struct is_constructible_object_type + : is_constructible_object_type_impl {}; + +template +struct is_compatible_string_type +{ + static constexpr auto value = + is_constructible::value; +}; + +template +struct is_constructible_string_type +{ + // launder type through decltype() to fix compilation failure on ICPC +#ifdef __INTEL_COMPILER + using laundered_type = decltype(std::declval()); +#else + using laundered_type = ConstructibleStringType; +#endif + + static constexpr auto value = + conjunction < + is_constructible, + is_detected_exact>::value; +}; + +template +struct is_compatible_array_type_impl : std::false_type {}; + +template +struct is_compatible_array_type_impl < + BasicJsonType, CompatibleArrayType, + enable_if_t < + is_detected::value&& + is_iterator_traits>>::value&& +// special case for types like std::filesystem::path whose iterator's value_type are themselves +// c.f. https://github.com/nlohmann/json/pull/3073 + !std::is_same>::value >> +{ + static constexpr bool value = + is_constructible>::value; +}; + +template +struct is_compatible_array_type + : is_compatible_array_type_impl {}; + +template +struct is_constructible_array_type_impl : std::false_type {}; + +template +struct is_constructible_array_type_impl < + BasicJsonType, ConstructibleArrayType, + enable_if_t::value >> + : std::true_type {}; + +template +struct is_constructible_array_type_impl < + BasicJsonType, ConstructibleArrayType, + enable_if_t < !std::is_same::value&& + !is_compatible_string_type::value&& + is_default_constructible::value&& +(std::is_move_assignable::value || + std::is_copy_assignable::value)&& +is_detected::value&& +is_iterator_traits>>::value&& +is_detected::value&& +// special case for types like std::filesystem::path whose iterator's value_type are themselves +// c.f. https://github.com/nlohmann/json/pull/3073 +!std::is_same>::value&& + is_complete_type < + detected_t>::value >> +{ + using value_type = range_value_t; + + static constexpr bool value = + std::is_same::value || + has_from_json::value || + has_non_default_from_json < + BasicJsonType, + value_type >::value; +}; + +template +struct is_constructible_array_type + : is_constructible_array_type_impl {}; + +template +struct is_compatible_integer_type_impl : std::false_type {}; + +template +struct is_compatible_integer_type_impl < + RealIntegerType, CompatibleNumberIntegerType, + enable_if_t < std::is_integral::value&& + std::is_integral::value&& + !std::is_same::value >> +{ + // is there an assert somewhere on overflows? + using RealLimits = std::numeric_limits; + using CompatibleLimits = std::numeric_limits; + + static constexpr auto value = + is_constructible::value && + CompatibleLimits::is_integer && + RealLimits::is_signed == CompatibleLimits::is_signed; +}; + +template +struct is_compatible_integer_type + : is_compatible_integer_type_impl {}; + +template +struct is_compatible_type_impl: std::false_type {}; + +template +struct is_compatible_type_impl < + BasicJsonType, CompatibleType, + enable_if_t::value >> +{ + static constexpr bool value = + has_to_json::value; +}; + +template +struct is_compatible_type + : is_compatible_type_impl {}; + +template +struct is_constructible_tuple : std::false_type {}; + +template +struct is_constructible_tuple> : conjunction...> {}; + +template +struct is_json_iterator_of : std::false_type {}; + +template +struct is_json_iterator_of : std::true_type {}; + +template +struct is_json_iterator_of : std::true_type +{}; + +// checks if a given type T is a template specialization of Primary +template