aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/libraries/evas/src/static_deps/liblinebreak/wordbreakdef.h
blob: 331cd01d05fb87b66750a9d8a3dddccae63f4e3f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
/* vim: set tabstop=4 shiftwidth=4: */

/*
 * Word breaking in a Unicode sequence.  Designed to be used in a
 * generic text renderer.
 *
 * Copyright (C) 2011-2011 Tom Hacohen <tom@stosb.com>
 *
 * 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 17, for
 * Unicode 6.0.0:
 *		<URL:http://www.unicode.org/reports/tr29/tr29-17.html>
 *
 * The Unicode Terms of Use are available at
 *		<URL:http://www.unicode.org/copyright.html>
 */

/**
 * @file	wordbreakdef.h
 *
 * Definitions of internal data structures, declarations of global
 * variables, and function prototypes for the word breaking algorithm.
 *
 * @version	2.0, 2011/12/12
 * @author	Tom Hacohen
 */

/**
 * Word break classes.  This is a direct mapping of Table 3 of Unicode
 * Standard Annex 29, Revision 17.
 */
enum WordBreakClass
{
   WBP_Undefined,

	/* The following break classes are treated in the pair table. */
   WBP_CR,
   WBP_LF,
   WBP_Newline,
   WBP_Extend,
   WBP_Format,
   WBP_Katakana,
   WBP_ALetter,
   WBP_MidNumLet,
   WBP_MidLetter,
   WBP_MidNum,
   WBP_Numeric,
   WBP_ExtendNumLet,
   WBP_Any
};

/**
 * Struct for entries of word break properties.  The array of the
 * entries \e must be sorted.
 */
struct WordBreakProperties
{
	utf32_t start;				/**< Starting coding point */
	utf32_t end;				/**< End coding point */
	enum WordBreakClass prop;	/**< The word breaking property */
};