34 lines
680 B
C
34 lines
680 B
C
|
#ifndef _SWAY_UNICODE_H
|
||
|
|
#define _SWAY_UNICODE_H
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
// Technically UTF-8 supports up to 6 byte codepoints, but Unicode itself
|
||
|
|
// doesn't really bother with more than 4.
|
||
|
|
#define UTF8_MAX_SIZE 4
|
||
|
|
|
||
|
|
#define UTF8_INVALID 0x80
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Grabs the next UTF-8 character and advances the string pointer
|
||
|
|
*/
|
||
|
|
uint32_t utf8_decode(const char **str);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Encodes a character as UTF-8 and returns the length of that character.
|
||
|
|
*/
|
||
|
|
size_t utf8_encode(char *str, uint32_t ch);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the size of the next UTF-8 character
|
||
|
|
*/
|
||
|
|
int utf8_size(const char *str);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the size of a UTF-8 character
|
||
|
|
*/
|
||
|
|
size_t utf8_chsize(uint32_t ch);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|