libunibreak: graphemebreakdef.h Source File

libunibreak 4.3

graphemebreakdef.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
48 #include "unibreakdef.h"
49
54 enum GraphemeBreakClass
55 {
56 GBP_CR,
57 GBP_LF,
58 GBP_Control,
59 GBP_Virama,
60 GBP_LinkingConsonant,
61 GBP_Extend,
62 GBP_ZWJ,
63 GBP_Regional_Indicator,
64 GBP_Prepend,
65 GBP_SpacingMark,
66 GBP_L,
67 GBP_V,
68 GBP_T,
69 GBP_LV,
70 GBP_LVT,
71 GBP_Other,
72 GBP_Undefined
73 };
74
79 struct GraphemeBreakProperties
80 {
81 utf32_t start;
82 utf32_t end;
83 enum GraphemeBreakClass prop;
84 };
GraphemeBreakProperties
Struct for entries of grapheme break properties.
Definition: graphemebreakdef.h:80
utf32_t
unsigned int utf32_t
Type for UTF-32 data points.
Definition: unibreakbase.h:49
GBP_Other
@ GBP_Other
Definition: graphemebreakdef.h:71
GBP_Regional_Indicator
@ GBP_Regional_Indicator
Definition: graphemebreakdef.h:63
GBP_LinkingConsonant
@ GBP_LinkingConsonant
Definition: graphemebreakdef.h:60
GBP_ZWJ
@ GBP_ZWJ
Definition: graphemebreakdef.h:62
GBP_CR
@ GBP_CR
Definition: graphemebreakdef.h:56
GraphemeBreakProperties::start
utf32_t start
Start codepoint.
Definition: graphemebreakdef.h:81
GBP_Extend
@ GBP_Extend
Definition: graphemebreakdef.h:61
GBP_LVT
@ GBP_LVT
Definition: graphemebreakdef.h:70
GBP_LF
@ GBP_LF
Definition: graphemebreakdef.h:57
GraphemeBreakProperties::prop
enum GraphemeBreakClass prop
The grapheme breaking property.
Definition: graphemebreakdef.h:83
GBP_SpacingMark
@ GBP_SpacingMark
Definition: graphemebreakdef.h:65
GBP_Prepend
@ GBP_Prepend
Definition: graphemebreakdef.h:64
GBP_Undefined
@ GBP_Undefined
Definition: graphemebreakdef.h:72
GBP_V
@ GBP_V
Definition: graphemebreakdef.h:67
GBP_Virama
@ GBP_Virama
Definition: graphemebreakdef.h:59
GBP_T
@ GBP_T
Definition: graphemebreakdef.h:68
GBP_LV
@ GBP_LV
Definition: graphemebreakdef.h:69
GraphemeBreakClass
GraphemeBreakClass
Word break classes.
Definition: graphemebreakdef.h:55
GBP_Control
@ GBP_Control
Definition: graphemebreakdef.h:58
unibreakdef.h
GBP_L
@ GBP_L
Definition: graphemebreakdef.h:66
GraphemeBreakProperties::end
utf32_t end
End codepoint, inclusive.
Definition: graphemebreakdef.h:82