libunibreak  4.3
graphemebreak.h
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1 /*
2  * Grapheme breaking in a Unicode sequence. Designed to be used in a
3  * generic text renderer.
4  *
5  * Copyright (C) 2016-2019 Andreas Röver <roever at users dot sf dot net>
6  *
7  * This software is provided 'as-is', without any express or implied
8  * warranty. In no event will the author be held liable for any damages
9  * arising from the use of this software.
10  *
11  * Permission is granted to anyone to use this software for any purpose,
12  * including commercial applications, and to alter it and redistribute
13  * it freely, subject to the following restrictions:
14  *
15  * 1. The origin of this software must not be misrepresented; you must
16  * not claim that you wrote the original software. If you use this
17  * software in a product, an acknowledgement in the product
18  * documentation would be appreciated but is not required.
19  * 2. Altered source versions must be plainly marked as such, and must
20  * not be misrepresented as being the original software.
21  * 3. This notice may not be removed or altered from any source
22  * distribution.
23  *
24  * The main reference is Unicode Standard Annex 29 (UAX #29):
25  * <URL:http://unicode.org/reports/tr29>
26  *
27  * When this library was designed, this annex was at Revision 29, for
28  * Unicode 9.0.0:
29  * <URL:http://www.unicode.org/reports/tr29/tr29-29.html>
30  *
31  * This library has been updated according to Revision 37, for
32  * Unicode 13.0.0:
33  * <URL:http://www.unicode.org/reports/tr29/tr29-37.html>
34  *
35  * The Unicode Terms of Use are available at
36  * <URL:http://www.unicode.org/copyright.html>
37  */
38 
47 #ifndef GRAPHEMEBREAK_H
48 #define GRAPHEMEBREAK_H
49 
50 #include <stddef.h>
51 #include "unibreakbase.h"
52 
53 #ifdef __cplusplus
54 extern "C" {
55 #endif
56 
57 #define GRAPHEMEBREAK_BREAK 0
58 #define GRAPHEMEBREAK_NOBREAK 1
59 #define GRAPHEMEBREAK_INSIDEACHAR 2
61 void init_graphemebreak(void);
62 void set_graphemebreaks_utf8(const utf8_t *s, size_t len, const char *lang,
63  char *brks);
64 void set_graphemebreaks_utf16(const utf16_t *s, size_t len,
65  const char *lang, char *brks);
66 void set_graphemebreaks_utf32(const utf32_t *s, size_t len,
67  const char *lang, char *brks);
68 
69 #ifdef __cplusplus
70 }
71 #endif
72 
73 #endif /* GRAPHEMEBREAK_H */
utf32_t
unsigned int utf32_t
Type for UTF-32 data points.
Definition: unibreakbase.h:49
utf16_t
unsigned short utf16_t
Type for UTF-16 data points.
Definition: unibreakbase.h:48
utf8_t
unsigned char utf8_t
Type for UTF-8 data points.
Definition: unibreakbase.h:47
unibreakbase.h
set_graphemebreaks_utf8
void set_graphemebreaks_utf8(const utf8_t *s, size_t len, const char *lang, char *brks)
Sets the grapheme breaking information for a UTF-8 input string.
Definition: graphemebreak.c:263
set_graphemebreaks_utf32
void set_graphemebreaks_utf32(const utf32_t *s, size_t len, const char *lang, char *brks)
Sets the grapheme breaking information for a UTF-32 input string.
Definition: graphemebreak.c:305
set_graphemebreaks_utf16
void set_graphemebreaks_utf16(const utf16_t *s, size_t len, const char *lang, char *brks)
Sets the grapheme breaking information for a UTF-16 input string.
Definition: graphemebreak.c:284