Subversion Repositories planix.SVN

#ifndef _UTF_H_
#define _UTF_H_ 1
#pragma lib "/$M/lib/ape/libutf.a"
#pragma src "/sys/src/ape/lib/utf"

#if defined(__cplusplus)
extern "C" { 
#endif

typedef unsigned int Rune;      /* 32 bits */

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,     /* 21-bit rune */
};

/*
 * rune routines
 */
extern  int     runetochar(char*, Rune*);
extern  int     chartorune(Rune*, char*);
extern  int     runelen(long);
extern  int     runenlen(Rune*, int);
extern  int     fullrune(char*, int);
extern  int     utflen(char*);
extern  int     utfnlen(char*, long);
extern  char*   utfrune(char*, long);
extern  char*   utfrrune(char*, long);
extern  char*   utfutf(char*, char*);
extern  char*   utfecpy(char*, char*, char*);

extern  Rune*   runestrcat(Rune*, Rune*);
extern  Rune*   runestrchr(Rune*, Rune);
extern  int     runestrcmp(Rune*, Rune*);
extern  Rune*   runestrcpy(Rune*, Rune*);
extern  Rune*   runestrncpy(Rune*, Rune*, long);
extern  Rune*   runestrecpy(Rune*, Rune*, Rune*);
extern  Rune*   runestrdup(Rune*);
extern  Rune*   runestrncat(Rune*, Rune*, long);
extern  int     runestrncmp(Rune*, Rune*, long);
extern  Rune*   runestrrchr(Rune*, Rune);
extern  long    runestrlen(Rune*);
extern  Rune*   runestrstr(Rune*, Rune*);

extern  Rune    tolowerrune(Rune);
extern  Rune    totitlerune(Rune);
extern  Rune    toupperrune(Rune);
extern  int     isalpharune(Rune);
extern  int     islowerrune(Rune);
extern  int     isspacerune(Rune);
extern  int     istitlerune(Rune);
extern  int     isupperrune(Rune);

#if defined(__cplusplus)
}
#endif
#endif