efl/src/static_libs/libunibreak/graphemebreak.h

70 lines
2.2 KiB
C

/*
* Grapheme breaking in a Unicode sequence. Designed to be used in a
* generic text renderer.
*
* Copyright (C) 2016 Andreas Röver <roever at users dot sf dot net>
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the author be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute
* it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must
* not claim that you wrote the original software. If you use this
* software in a product, an acknowledgement in the product
* documentation would be appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must
* not be misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source
* distribution.
*
* The main reference is Unicode Standard Annex 29 (UAX #29):
* <URL:http://unicode.org/reports/tr29>
*
* When this library was designed, this annex was at Revision 29, for
* Unicode 9.0.0:
* <URL:http://www.unicode.org/reports/tr29/tr29-29.html>
*
* The Unicode Terms of Use are available at
* <URL:http://www.unicode.org/copyright.html>
*/
/**
* @file graphemebreak.h
*
* Header file for the grapheme breaking algorithm.
*
* @author Andreas Röver
*/
#ifndef GRAPHEMEBREAK_H
#define GRAPHEMEBREAK_H
#include <stddef.h>
#include "unibreakbase.h"
#ifdef __cplusplus
extern "C" {
#endif
#define GRAPHEMEBREAK_BREAK 0 /**< Between 2 graphemes */
#define GRAPHEMEBREAK_NOBREAK 1 /**< Inside a grapheme */
#define GRAPHEMEBREAK_INSIDEACHAR 2 /**< Inside a unicode character */
void init_graphemebreak(void);
void set_graphemebreaks_utf8(const utf8_t *s, size_t len, const char *lang,
char *brks);
void set_graphemebreaks_utf16(const utf16_t *s, size_t len,
const char *lang, char *brks);
void set_graphemebreaks_utf32(const utf32_t *s, size_t len,
const char *lang, char *brks);
#ifdef __cplusplus
}
#endif
#endif