kc3-lang/libxkbcommon /src/utf8-decoding.h

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Author : Pierre Le Marre
Date : 2024-09-12 16:52:40
Hash : 98dee225
Message : Add UTF-8 to UTF-32 decoding Add internal functions to convert UTF-32 to UTF-8, with corresponding tests.

src/utf8-decoding.h

#ifndef UTF8_DECODING_H
#define UTF8_DECODING_H

#include "config.h"

#include <stddef.h>
#include <stdint.h>

/* Check if a char is the start of a UTF-8 sequence */
#define is_utf8_start(c) (((c) & 0xc0) != 0x80)
#define INVALID_UTF8_CODE_POINT UINT32_MAX

uint8_t
utf8_sequence_length(const char *s);

uint32_t
utf8_next_code_point(const char *s, size_t max_size, size_t *size_out);

#endif