emsApplication/3rdPartner/libhv/cpputil/hstring.h

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2024-05-24 12:19:45 +08:00
#ifndef HV_STRING_H_
#define HV_STRING_H_
#include <string>
#include <vector>
#include <iostream>
#include <sstream>
#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;
HV_EXPORT extern std::map<std::string, std::string> empty_map;
typedef std::vector<std::string> StringList;
// std::map<std::string, std::string, StringCaseLess>
class StringCaseLess : public std::less<std::string> {
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<typename T>
HV_INLINE std::string to_string(const T& t) {
std::ostringstream oss;
oss << t;
return oss.str();
}
template<typename T>
HV_INLINE T from_string(const std::string& str) {
T t;
std::istringstream iss(str);
iss >> t;
return t;
}
template<typename T>
HV_INLINE void print(const T& t) {
std::cout << t;
}
template<typename T>
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);
struct HV_EXPORT NetAddr {
std::string ip;
int port;
NetAddr() : port(0) {}
NetAddr(const std::string& _ip, int _port) : ip(_ip), port(_port) {}
NetAddr(const std::string& ipport) { from_string(ipport); }
void from_string(const std::string& ipport);
std::string to_string();
};
} // end namespace hv
#endif // HV_STRING_H_