ref: a76d157bdaa9aec8de5ea5a362eed2f59139152d
dir: /utf.h/
/*
* The authors of this software are Rob Pike and Ken Thompson.
* Copyright (c) 2002 by Lucent Technologies.
* Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice
* is included in all copies of any software which is or includes a copy
* or modification of this software and in all copies of the supporting
* documentation for such software.
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
* ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
* OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
*/
#ifndef js_utf_h
#define js_utf_h
typedef int Rune; /* 32 bits */
#define chartorune jsU_chartorune
#define runetochar jsU_runetochar
#define runelen jsU_runelen
#define utflen jsU_utflen
#define isalpharune jsU_isalpharune
#define islowerrune jsU_islowerrune
#define isupperrune jsU_isupperrune
#define tolowerrune jsU_tolowerrune
#define toupperrune jsU_toupperrune
enum
{
UTFmax = 4, /* maximum bytes per rune */
Runesync = 0x80, /* cannot represent part of a UTF sequence (<) */
Runeself = 0x80, /* rune and UTF sequences are the same (<) */
Runeerror = 0xFFFD, /* decoding error in UTF */
Runemax = 0x10FFFF, /* maximum rune value */
};
int chartorune(Rune *rune, const char *str);
int runetochar(char *str, const Rune *rune);
int runelen(int c);
int utflen(const char *s);
int isalpharune(Rune c);
int islowerrune(Rune c);
int isupperrune(Rune c);
Rune tolowerrune(Rune c);
Rune toupperrune(Rune c);
#endif