1 /*
2  * Copyright (C) 2012 Grigori Goronzy <greg@kinoho.net>
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef UCDN_H
18 #define UCDN_H
19 
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23 
24 #define UCDN_EAST_ASIAN_F 0
25 #define UCDN_EAST_ASIAN_H 1
26 #define UCDN_EAST_ASIAN_W 2
27 #define UCDN_EAST_ASIAN_NA 3
28 #define UCDN_EAST_ASIAN_A 4
29 #define UCDN_EAST_ASIAN_N 5
30 
31 #define UCDN_SCRIPT_COMMON 0
32 #define UCDN_SCRIPT_LATIN 1
33 #define UCDN_SCRIPT_GREEK 2
34 #define UCDN_SCRIPT_CYRILLIC 3
35 #define UCDN_SCRIPT_ARMENIAN 4
36 #define UCDN_SCRIPT_HEBREW 5
37 #define UCDN_SCRIPT_ARABIC 6
38 #define UCDN_SCRIPT_SYRIAC 7
39 #define UCDN_SCRIPT_THAANA 8
40 #define UCDN_SCRIPT_DEVANAGARI 9
41 #define UCDN_SCRIPT_BENGALI 10
42 #define UCDN_SCRIPT_GURMUKHI 11
43 #define UCDN_SCRIPT_GUJARATI 12
44 #define UCDN_SCRIPT_ORIYA 13
45 #define UCDN_SCRIPT_TAMIL 14
46 #define UCDN_SCRIPT_TELUGU 15
47 #define UCDN_SCRIPT_KANNADA 16
48 #define UCDN_SCRIPT_MALAYALAM 17
49 #define UCDN_SCRIPT_SINHALA 18
50 #define UCDN_SCRIPT_THAI 19
51 #define UCDN_SCRIPT_LAO 20
52 #define UCDN_SCRIPT_TIBETAN 21
53 #define UCDN_SCRIPT_MYANMAR 22
54 #define UCDN_SCRIPT_GEORGIAN 23
55 #define UCDN_SCRIPT_HANGUL 24
56 #define UCDN_SCRIPT_ETHIOPIC 25
57 #define UCDN_SCRIPT_CHEROKEE 26
58 #define UCDN_SCRIPT_CANADIAN_ABORIGINAL 27
59 #define UCDN_SCRIPT_OGHAM 28
60 #define UCDN_SCRIPT_RUNIC 29
61 #define UCDN_SCRIPT_KHMER 30
62 #define UCDN_SCRIPT_MONGOLIAN 31
63 #define UCDN_SCRIPT_HIRAGANA 32
64 #define UCDN_SCRIPT_KATAKANA 33
65 #define UCDN_SCRIPT_BOPOMOFO 34
66 #define UCDN_SCRIPT_HAN 35
67 #define UCDN_SCRIPT_YI 36
68 #define UCDN_SCRIPT_OLD_ITALIC 37
69 #define UCDN_SCRIPT_GOTHIC 38
70 #define UCDN_SCRIPT_DESERET 39
71 #define UCDN_SCRIPT_INHERITED 40
72 #define UCDN_SCRIPT_TAGALOG 41
73 #define UCDN_SCRIPT_HANUNOO 42
74 #define UCDN_SCRIPT_BUHID 43
75 #define UCDN_SCRIPT_TAGBANWA 44
76 #define UCDN_SCRIPT_LIMBU 45
77 #define UCDN_SCRIPT_TAI_LE 46
78 #define UCDN_SCRIPT_LINEAR_B 47
79 #define UCDN_SCRIPT_UGARITIC 48
80 #define UCDN_SCRIPT_SHAVIAN 49
81 #define UCDN_SCRIPT_OSMANYA 50
82 #define UCDN_SCRIPT_CYPRIOT 51
83 #define UCDN_SCRIPT_BRAILLE 52
84 #define UCDN_SCRIPT_BUGINESE 53
85 #define UCDN_SCRIPT_COPTIC 54
86 #define UCDN_SCRIPT_NEW_TAI_LUE 55
87 #define UCDN_SCRIPT_GLAGOLITIC 56
88 #define UCDN_SCRIPT_TIFINAGH 57
89 #define UCDN_SCRIPT_SYLOTI_NAGRI 58
90 #define UCDN_SCRIPT_OLD_PERSIAN 59
91 #define UCDN_SCRIPT_KHAROSHTHI 60
92 #define UCDN_SCRIPT_BALINESE 61
93 #define UCDN_SCRIPT_CUNEIFORM 62
94 #define UCDN_SCRIPT_PHOENICIAN 63
95 #define UCDN_SCRIPT_PHAGS_PA 64
96 #define UCDN_SCRIPT_NKO 65
97 #define UCDN_SCRIPT_SUNDANESE 66
98 #define UCDN_SCRIPT_LEPCHA 67
99 #define UCDN_SCRIPT_OL_CHIKI 68
100 #define UCDN_SCRIPT_VAI 69
101 #define UCDN_SCRIPT_SAURASHTRA 70
102 #define UCDN_SCRIPT_KAYAH_LI 71
103 #define UCDN_SCRIPT_REJANG 72
104 #define UCDN_SCRIPT_LYCIAN 73
105 #define UCDN_SCRIPT_CARIAN 74
106 #define UCDN_SCRIPT_LYDIAN 75
107 #define UCDN_SCRIPT_CHAM 76
108 #define UCDN_SCRIPT_TAI_THAM 77
109 #define UCDN_SCRIPT_TAI_VIET 78
110 #define UCDN_SCRIPT_AVESTAN 79
111 #define UCDN_SCRIPT_EGYPTIAN_HIEROGLYPHS 80
112 #define UCDN_SCRIPT_SAMARITAN 81
113 #define UCDN_SCRIPT_LISU 82
114 #define UCDN_SCRIPT_BAMUM 83
115 #define UCDN_SCRIPT_JAVANESE 84
116 #define UCDN_SCRIPT_MEETEI_MAYEK 85
117 #define UCDN_SCRIPT_IMPERIAL_ARAMAIC 86
118 #define UCDN_SCRIPT_OLD_SOUTH_ARABIAN 87
119 #define UCDN_SCRIPT_INSCRIPTIONAL_PARTHIAN 88
120 #define UCDN_SCRIPT_INSCRIPTIONAL_PAHLAVI 89
121 #define UCDN_SCRIPT_OLD_TURKIC 90
122 #define UCDN_SCRIPT_KAITHI 91
123 #define UCDN_SCRIPT_BATAK 92
124 #define UCDN_SCRIPT_BRAHMI 93
125 #define UCDN_SCRIPT_MANDAIC 94
126 #define UCDN_SCRIPT_CHAKMA 95
127 #define UCDN_SCRIPT_MEROITIC_CURSIVE 96
128 #define UCDN_SCRIPT_MEROITIC_HIEROGLYPHS 97
129 #define UCDN_SCRIPT_MIAO 98
130 #define UCDN_SCRIPT_SHARADA 99
131 #define UCDN_SCRIPT_SORA_SOMPENG 100
132 #define UCDN_SCRIPT_TAKRI 101
133 #define UCDN_SCRIPT_UNKNOWN 102
134 #define UCDN_SCRIPT_BASSA_VAH 103
135 #define UCDN_SCRIPT_CAUCASIAN_ALBANIAN 104
136 #define UCDN_SCRIPT_DUPLOYAN 105
137 #define UCDN_SCRIPT_ELBASAN 106
138 #define UCDN_SCRIPT_GRANTHA 107
139 #define UCDN_SCRIPT_KHOJKI 108
140 #define UCDN_SCRIPT_KHUDAWADI 109
141 #define UCDN_SCRIPT_LINEAR_A 110
142 #define UCDN_SCRIPT_MAHAJANI 111
143 #define UCDN_SCRIPT_MANICHAEAN 112
144 #define UCDN_SCRIPT_MENDE_KIKAKUI 113
145 #define UCDN_SCRIPT_MODI 114
146 #define UCDN_SCRIPT_MRO 115
147 #define UCDN_SCRIPT_NABATAEAN 116
148 #define UCDN_SCRIPT_OLD_NORTH_ARABIAN 117
149 #define UCDN_SCRIPT_OLD_PERMIC 118
150 #define UCDN_SCRIPT_PAHAWH_HMONG 119
151 #define UCDN_SCRIPT_PALMYRENE 120
152 #define UCDN_SCRIPT_PAU_CIN_HAU 121
153 #define UCDN_SCRIPT_PSALTER_PAHLAVI 122
154 #define UCDN_SCRIPT_SIDDHAM 123
155 #define UCDN_SCRIPT_TIRHUTA 124
156 #define UCDN_SCRIPT_WARANG_CITI 125
157 #define UCDN_SCRIPT_AHOM 126
158 #define UCDN_SCRIPT_ANATOLIAN_HIEROGLYPHS 127
159 #define UCDN_SCRIPT_HATRAN 128
160 #define UCDN_SCRIPT_MULTANI 129
161 #define UCDN_SCRIPT_OLD_HUNGARIAN 130
162 #define UCDN_SCRIPT_SIGNWRITING 131
163 #define UCDN_SCRIPT_ADLAM 132
164 #define UCDN_SCRIPT_BHAIKSUKI 133
165 #define UCDN_SCRIPT_MARCHEN 134
166 #define UCDN_SCRIPT_NEWA 135
167 #define UCDN_SCRIPT_OSAGE 136
168 #define UCDN_SCRIPT_TANGUT 137
169 #define UCDN_SCRIPT_MASARAM_GONDI 138
170 #define UCDN_SCRIPT_NUSHU 139
171 #define UCDN_SCRIPT_SOYOMBO 140
172 #define UCDN_SCRIPT_ZANABAZAR_SQUARE 141
173 #define UCDN_SCRIPT_DOGRA 142
174 #define UCDN_SCRIPT_GUNJALA_GONDI 143
175 #define UCDN_SCRIPT_HANIFI_ROHINGYA 144
176 #define UCDN_SCRIPT_MAKASAR 145
177 #define UCDN_SCRIPT_MEDEFAIDRIN 146
178 #define UCDN_SCRIPT_OLD_SOGDIAN 147
179 #define UCDN_SCRIPT_SOGDIAN 148
180 #define UCDN_SCRIPT_ELYMAIC 149
181 #define UCDN_SCRIPT_NANDINAGARI 150
182 #define UCDN_SCRIPT_NYIAKENG_PUACHUE_HMONG 151
183 #define UCDN_SCRIPT_WANCHO 152
184 #define UCDN_LAST_SCRIPT 152
185 
186 #define UCDN_LINEBREAK_CLASS_OP 0
187 #define UCDN_LINEBREAK_CLASS_CL 1
188 #define UCDN_LINEBREAK_CLASS_CP 2
189 #define UCDN_LINEBREAK_CLASS_QU 3
190 #define UCDN_LINEBREAK_CLASS_GL 4
191 #define UCDN_LINEBREAK_CLASS_NS 5
192 #define UCDN_LINEBREAK_CLASS_EX 6
193 #define UCDN_LINEBREAK_CLASS_SY 7
194 #define UCDN_LINEBREAK_CLASS_IS 8
195 #define UCDN_LINEBREAK_CLASS_PR 9
196 #define UCDN_LINEBREAK_CLASS_PO 10
197 #define UCDN_LINEBREAK_CLASS_NU 11
198 #define UCDN_LINEBREAK_CLASS_AL 12
199 #define UCDN_LINEBREAK_CLASS_HL 13
200 #define UCDN_LINEBREAK_CLASS_ID 14
201 #define UCDN_LINEBREAK_CLASS_IN 15
202 #define UCDN_LINEBREAK_CLASS_HY 16
203 #define UCDN_LINEBREAK_CLASS_BA 17
204 #define UCDN_LINEBREAK_CLASS_BB 18
205 #define UCDN_LINEBREAK_CLASS_B2 19
206 #define UCDN_LINEBREAK_CLASS_ZW 20
207 #define UCDN_LINEBREAK_CLASS_CM 21
208 #define UCDN_LINEBREAK_CLASS_WJ 22
209 #define UCDN_LINEBREAK_CLASS_H2 23
210 #define UCDN_LINEBREAK_CLASS_H3 24
211 #define UCDN_LINEBREAK_CLASS_JL 25
212 #define UCDN_LINEBREAK_CLASS_JV 26
213 #define UCDN_LINEBREAK_CLASS_JT 27
214 #define UCDN_LINEBREAK_CLASS_RI 28
215 #define UCDN_LINEBREAK_CLASS_AI 29
216 #define UCDN_LINEBREAK_CLASS_BK 30
217 #define UCDN_LINEBREAK_CLASS_CB 31
218 #define UCDN_LINEBREAK_CLASS_CJ 32
219 #define UCDN_LINEBREAK_CLASS_CR 33
220 #define UCDN_LINEBREAK_CLASS_LF 34
221 #define UCDN_LINEBREAK_CLASS_NL 35
222 #define UCDN_LINEBREAK_CLASS_SA 36
223 #define UCDN_LINEBREAK_CLASS_SG 37
224 #define UCDN_LINEBREAK_CLASS_SP 38
225 #define UCDN_LINEBREAK_CLASS_XX 39
226 #define UCDN_LINEBREAK_CLASS_ZWJ 40
227 #define UCDN_LINEBREAK_CLASS_EB 41
228 #define UCDN_LINEBREAK_CLASS_EM 42
229 
230 #define UCDN_GENERAL_CATEGORY_CC 0
231 #define UCDN_GENERAL_CATEGORY_CF 1
232 #define UCDN_GENERAL_CATEGORY_CN 2
233 #define UCDN_GENERAL_CATEGORY_CO 3
234 #define UCDN_GENERAL_CATEGORY_CS 4
235 #define UCDN_GENERAL_CATEGORY_LL 5
236 #define UCDN_GENERAL_CATEGORY_LM 6
237 #define UCDN_GENERAL_CATEGORY_LO 7
238 #define UCDN_GENERAL_CATEGORY_LT 8
239 #define UCDN_GENERAL_CATEGORY_LU 9
240 #define UCDN_GENERAL_CATEGORY_MC 10
241 #define UCDN_GENERAL_CATEGORY_ME 11
242 #define UCDN_GENERAL_CATEGORY_MN 12
243 #define UCDN_GENERAL_CATEGORY_ND 13
244 #define UCDN_GENERAL_CATEGORY_NL 14
245 #define UCDN_GENERAL_CATEGORY_NO 15
246 #define UCDN_GENERAL_CATEGORY_PC 16
247 #define UCDN_GENERAL_CATEGORY_PD 17
248 #define UCDN_GENERAL_CATEGORY_PE 18
249 #define UCDN_GENERAL_CATEGORY_PF 19
250 #define UCDN_GENERAL_CATEGORY_PI 20
251 #define UCDN_GENERAL_CATEGORY_PO 21
252 #define UCDN_GENERAL_CATEGORY_PS 22
253 #define UCDN_GENERAL_CATEGORY_SC 23
254 #define UCDN_GENERAL_CATEGORY_SK 24
255 #define UCDN_GENERAL_CATEGORY_SM 25
256 #define UCDN_GENERAL_CATEGORY_SO 26
257 #define UCDN_GENERAL_CATEGORY_ZL 27
258 #define UCDN_GENERAL_CATEGORY_ZP 28
259 #define UCDN_GENERAL_CATEGORY_ZS 29
260 
261 #define UCDN_BIDI_CLASS_L 0
262 #define UCDN_BIDI_CLASS_LRE 1
263 #define UCDN_BIDI_CLASS_LRO 2
264 #define UCDN_BIDI_CLASS_R 3
265 #define UCDN_BIDI_CLASS_AL 4
266 #define UCDN_BIDI_CLASS_RLE 5
267 #define UCDN_BIDI_CLASS_RLO 6
268 #define UCDN_BIDI_CLASS_PDF 7
269 #define UCDN_BIDI_CLASS_EN 8
270 #define UCDN_BIDI_CLASS_ES 9
271 #define UCDN_BIDI_CLASS_ET 10
272 #define UCDN_BIDI_CLASS_AN 11
273 #define UCDN_BIDI_CLASS_CS 12
274 #define UCDN_BIDI_CLASS_NSM 13
275 #define UCDN_BIDI_CLASS_BN 14
276 #define UCDN_BIDI_CLASS_B 15
277 #define UCDN_BIDI_CLASS_S 16
278 #define UCDN_BIDI_CLASS_WS 17
279 #define UCDN_BIDI_CLASS_ON 18
280 #define UCDN_BIDI_CLASS_LRI 19
281 #define UCDN_BIDI_CLASS_RLI 20
282 #define UCDN_BIDI_CLASS_FSI 21
283 #define UCDN_BIDI_CLASS_PDI 22
284 
285 #define UCDN_BIDI_PAIRED_BRACKET_TYPE_OPEN 0
286 #define UCDN_BIDI_PAIRED_BRACKET_TYPE_CLOSE 1
287 #define UCDN_BIDI_PAIRED_BRACKET_TYPE_NONE 2
288 
289 /**
290  * Return version of the Unicode database.
291  *
292  * @return Unicode database version
293  */
294 const char *ucdn_get_unicode_version(void);
295 
296 /**
297  * Get combining class of a codepoint.
298  *
299  * @param code Unicode codepoint
300  * @return combining class value, as defined in UAX#44
301  */
302 int ucdn_get_combining_class(uint32_t code);
303 
304 /**
305  * Get east-asian width of a codepoint.
306  *
307  * @param code Unicode codepoint
308  * @return value according to UCDN_EAST_ASIAN_* and as defined in UAX#11.
309  */
310 int ucdn_get_east_asian_width(uint32_t code);
311 
312 /**
313  * Get general category of a codepoint.
314  *
315  * @param code Unicode codepoint
316  * @return value according to UCDN_GENERAL_CATEGORY_* and as defined in
317  * UAX#44.
318  */
319 int ucdn_get_general_category(uint32_t code);
320 
321 /**
322  * Get bidirectional class of a codepoint.
323  *
324  * @param code Unicode codepoint
325  * @return value according to UCDN_BIDI_CLASS_* and as defined in UAX#44.
326  */
327 int ucdn_get_bidi_class(uint32_t code);
328 
329 /**
330  * Get script of a codepoint.
331  *
332  * @param code Unicode codepoint
333  * @return value according to UCDN_SCRIPT_* and as defined in UAX#24.
334  */
335 int ucdn_get_script(uint32_t code);
336 
337 /**
338  * Get unresolved linebreak class of a codepoint. This does not take
339  * rule LB1 of UAX#14 into account. See ucdn_get_resolved_linebreak_class()
340  * for resolved linebreak classes.
341  *
342  * @param code Unicode codepoint
343  * @return value according to UCDN_LINEBREAK_* and as defined in UAX#14.
344  */
345 int ucdn_get_linebreak_class(uint32_t code);
346 
347 /**
348  * Get resolved linebreak class of a codepoint. This resolves characters
349  * in the AI, SG, XX, SA and CJ classes according to rule LB1 of UAX#14.
350  * In addition the CB class is resolved as the equivalent B2 class and
351  * the NL class is resolved as the equivalent BK class.
352  *
353  * @param code Unicode codepoint
354  * @return value according to UCDN_LINEBREAK_* and as defined in UAX#14.
355  */
356 int ucdn_get_resolved_linebreak_class(uint32_t code);
357 
358 /**
359  * Check if codepoint can be mirrored.
360  *
361  * @param code Unicode codepoint
362  * @return 1 if mirrored character exists, otherwise 0
363  */
364 int ucdn_get_mirrored(uint32_t code);
365 
366 /**
367  * Mirror a codepoint.
368  *
369  * @param code Unicode codepoint
370  * @return mirrored codepoint or the original codepoint if no
371  * mirrored character exists
372  */
373 uint32_t ucdn_mirror(uint32_t code);
374 
375 /**
376  * Get paired bracket for a codepoint.
377  *
378  * @param code Unicode codepoint
379  * @return paired bracket codepoint or the original codepoint if no
380  * paired bracket character exists
381  */
382 uint32_t ucdn_paired_bracket(uint32_t code);
383 
384 /**
385  * Get paired bracket type for a codepoint.
386  *
387  * @param code Unicode codepoint
388  * @return value according to UCDN_BIDI_PAIRED_BRACKET_TYPE_* and as defined
389  * in UAX#9.
390  *
391  */
392 int ucdn_paired_bracket_type(uint32_t code);
393 
394 /**
395  * Pairwise canonical decomposition of a codepoint. This includes
396  * Hangul Jamo decomposition (see chapter 3.12 of the Unicode core
397  * specification).
398  *
399  * Hangul is decomposed into L and V jamos for LV forms, and an
400  * LV precomposed syllable and a T jamo for LVT forms.
401  *
402  * @param code Unicode codepoint
403  * @param a filled with first codepoint of decomposition
404  * @param b filled with second codepoint of decomposition, or 0
405  * @return success
406  */
407 int ucdn_decompose(uint32_t code, uint32_t *a, uint32_t *b);
408 
409 /**
410  * Compatibility decomposition of a codepoint.
411  *
412  * @param code Unicode codepoint
413  * @param decomposed filled with decomposition, must be able to hold 18
414  * characters
415  * @return length of decomposition or 0 in case none exists
416  */
417 int ucdn_compat_decompose(uint32_t code, uint32_t *decomposed);
418 
419 /**
420  * Pairwise canonical composition of two codepoints. This includes
421  * Hangul Jamo composition (see chapter 3.12 of the Unicode core
422  * specification).
423  *
424  * Hangul composition expects either L and V jamos, or an LV
425  * precomposed syllable and a T jamo. This is exactly the inverse
426  * of pairwise Hangul decomposition.
427  *
428  * @param code filled with composition
429  * @param a first codepoint
430  * @param b second codepoint
431  * @return success
432  */
433 int ucdn_compose(uint32_t *code, uint32_t a, uint32_t b);
434 
435 #ifdef __cplusplus
436 }
437 #endif
438 
439 #endif
440