37 lines
1.4 KiB
Plaintext
37 lines
1.4 KiB
Plaintext
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#!/bin/sh
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# Complete check of a stateless encoding.
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# Usage: check-stateless SRCDIR CHARSET
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srcdir="$1"
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charset="$2"
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set -e
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# charset, modified for use in filenames.
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charsetf=`echo "$charset" | sed -e 's,:,-,g'`
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# iconv in one direction.
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./table-from "$charset" > tmp-"$charsetf".TXT
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# iconv in the other direction.
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./table-to "$charset" | sort > tmp-"$charsetf".INVERSE.TXT
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# Check 1: charmap and iconv forward should be identical.
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cmp "${srcdir}"/"$charsetf".TXT tmp-"$charsetf".TXT 2> /dev/null
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# Check 2: the difference between the charmap and iconv backward.
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sed -e '/ .* 0x/d' < "${srcdir}"/"$charsetf".TXT > tmp-noprecomposed-"$charsetf".TXT
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if test -f "${srcdir}"/"$charsetf".IRREVERSIBLE.TXT; then
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cat tmp-noprecomposed-"$charsetf".TXT "${srcdir}"/"$charsetf".IRREVERSIBLE.TXT | sort | uniq -u > tmp-orig-"$charsetf".INVERSE.TXT
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else
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cp tmp-noprecomposed-"$charsetf".TXT tmp-orig-"$charsetf".INVERSE.TXT
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fi
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cmp tmp-orig-"$charsetf".INVERSE.TXT tmp-"$charsetf".INVERSE.TXT 2> /dev/null
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rm -f tmp-"$charsetf".TXT tmp-"$charsetf".INVERSE.TXT tmp-noprecomposed-"$charsetf".TXT tmp-orig-"$charsetf".INVERSE.TXT
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exit 0
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# For a new encoding:
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# You can create the "$charsetf".TXT like this:
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# ./table-from "$charset" > "$charsetf".TXT
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# You can create the "$charsetf".IRREVERSIBLE.TXT like this:
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# ./table-to "$charset" | sort > "$charsetf".INVERSE.TXT
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# diff "$charsetf".TXT "$charsetf".INVERSE.TXT | grep '^[<>]' | sed -e 's,^. ,,' > "$charsetf".IRREVERSIBLE.TXT
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