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sbase/utf.h

54 lines
2.0 KiB
C

/* MIT/X Consortium Copyright (c) 2012 Connor Lane Smith <cls@lubutu.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
typedef int Rune;
enum {
UTFmax = 6, /* maximum bytes per rune */
Runeself = 0x80, /* rune and utf are equal (<) */
Runeerror = 0xFFFD, /* decoding error in utf */
Runemax = 0x10FFFF /* maximum rune value */
};
int runetochar(char *, const Rune *);
int chartorune(Rune *, const char *);
int charntorune(Rune *, const char *, size_t);
int runelen(const Rune);
size_t runenlen(const Rune *, size_t);
int fullrune(const char *, size_t);
char *utfecpy(char *, char *, const char *);
size_t utflen(const char *);
size_t utfnlen(const char *, size_t);
char *utfrune(const char *, Rune);
char *utfrrune(const char *, Rune);
char *utfutf(const char *, const char *);
int isalpharune(Rune);
int islowerrune(Rune);
int isspacerune(Rune);
int istitlerune(Rune);
int isupperrune(Rune);
int isdigitrune(Rune);
int readrune(const char *, FILE *, Rune *);
void writerune(const char *, FILE *, Rune *);