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832e069049
The following functions are no longer restricted to 16-bit integer values: String.fromCharCode() String.prototype.charCodeAt() repr() will not escape SMP characters, as doing so would require conversion to surrogate pairs, but will encode these characters as UTF-8. Unicode characters in the BMP will still be escaped with \uXXXX as before. JSON.stringify() only escapes control characters, so will represent all non-ASCII characters as UTF-8. We do no automatic conversions to/from surrogate pairs. Code that worked with surrogate pairs should not be affected by these changes.
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
#ifndef js_utf_h
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#define js_utf_h
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typedef int Rune; /* 32 bits */
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#define chartorune jsU_chartorune
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#define runetochar jsU_runetochar
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#define runelen jsU_runelen
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#define utflen jsU_utflen
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#define isalpharune jsU_isalpharune
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#define islowerrune jsU_islowerrune
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#define isspacerune jsU_isspacerune
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#define istitlerune jsU_istitlerune
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#define isupperrune jsU_isupperrune
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#define tolowerrune jsU_tolowerrune
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#define totitlerune jsU_totitlerune
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#define toupperrune jsU_toupperrune
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enum
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{
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UTFmax = 4, /* maximum bytes per rune */
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Runesync = 0x80, /* cannot represent part of a UTF sequence (<) */
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Runeself = 0x80, /* rune and UTF sequences are the same (<) */
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Runeerror = 0xFFFD, /* decoding error in UTF */
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Runemax = 0x10FFFF, /* maximum rune value */
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};
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int chartorune(Rune *rune, const char *str);
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int runetochar(char *str, const Rune *rune);
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int runelen(int c);
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int utflen(const char *s);
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int isalpharune(Rune c);
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int islowerrune(Rune c);
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int isspacerune(Rune c);
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int istitlerune(Rune c);
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int isupperrune(Rune c);
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Rune tolowerrune(Rune c);
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Rune totitlerune(Rune c);
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Rune toupperrune(Rune c);
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#endif
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