| 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 | |
| 21 | |
| 22 | #if defined(__GNUC__) && (__GNUC__ >= 4) && !defined(__MINGW32__) |
| 23 | # define HB_BEGIN_VISIBILITY _Pragma ("GCC visibility push(hidden)") |
| 24 | # define HB_END_VISIBILITY _Pragma ("GCC visibility pop") |
| 25 | #else |
| 26 | # define HB_BEGIN_VISIBILITY |
| 27 | # define HB_END_VISIBILITY |
| 28 | #endif |
| 29 | #ifdef __cplusplus |
| 30 | # define extern "C" { HB_BEGIN_VISIBILITY |
| 31 | # define HB_END_VISIBILITY } |
| 32 | #else |
| 33 | # define HB_BEGIN_HEADER HB_BEGIN_VISIBILITY |
| 34 | # define HB_END_HEADER HB_END_VISIBILITY |
| 35 | #endif |
| 36 | |
| 37 | HB_BEGIN_HEADER |
| 38 | |
| 39 | #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \ |
| 40 | defined (_sgi) || defined (__sun) || defined (sun) || \ |
| 41 | defined (__digital__) || defined (__HP_cc) |
| 42 | # include <inttypes.h> |
| 43 | #elif defined (_AIX) |
| 44 | # include <sys/inttypes.h> |
| 45 | #elif defined (_MSC_VER) && _MSC_VER < 1600 |
| 46 | /* VS 2010 (_MSC_VER 1600) has stdint.h */ |
| 47 | typedef __int8 int8_t; |
| 48 | typedef unsigned __int8 uint8_t; |
| 49 | typedef __int16 int16_t; |
| 50 | typedef unsigned __int16 uint16_t; |
| 51 | typedef __int32 int32_t; |
| 52 | typedef unsigned __int32 uint32_t; |
| 53 | typedef __int64 int64_t; |
| 54 | typedef unsigned __int64 uint64_t; |
| 55 | #else |
| 56 | # include <stdint.h> |
| 57 | #endif |
| 58 | |
| 59 | |
| 60 | #define UCDN_EAST_ASIAN_F 0 |
| 61 | #define UCDN_EAST_ASIAN_H 1 |
| 62 | #define UCDN_EAST_ASIAN_W 2 |
| 63 | #define UCDN_EAST_ASIAN_NA 3 |
| 64 | #define UCDN_EAST_ASIAN_A 4 |
| 65 | #define UCDN_EAST_ASIAN_N 5 |
| 66 | |
| 67 | #define UCDN_SCRIPT_COMMON 0 |
| 68 | #define UCDN_SCRIPT_LATIN 1 |
| 69 | #define UCDN_SCRIPT_GREEK 2 |
| 70 | #define UCDN_SCRIPT_CYRILLIC 3 |
| 71 | #define UCDN_SCRIPT_ARMENIAN 4 |
| 72 | #define UCDN_SCRIPT_HEBREW 5 |
| 73 | #define UCDN_SCRIPT_ARABIC 6 |
| 74 | #define UCDN_SCRIPT_SYRIAC 7 |
| 75 | #define UCDN_SCRIPT_THAANA 8 |
| 76 | #define UCDN_SCRIPT_DEVANAGARI 9 |
| 77 | #define UCDN_SCRIPT_BENGALI 10 |
| 78 | #define UCDN_SCRIPT_GURMUKHI 11 |
| 79 | #define UCDN_SCRIPT_GUJARATI 12 |
| 80 | #define UCDN_SCRIPT_ORIYA 13 |
| 81 | #define UCDN_SCRIPT_TAMIL 14 |
| 82 | #define UCDN_SCRIPT_TELUGU 15 |
| 83 | #define UCDN_SCRIPT_KANNADA 16 |
| 84 | #define UCDN_SCRIPT_MALAYALAM 17 |
| 85 | #define UCDN_SCRIPT_SINHALA 18 |
| 86 | #define UCDN_SCRIPT_THAI 19 |
| 87 | #define UCDN_SCRIPT_LAO 20 |
| 88 | #define UCDN_SCRIPT_TIBETAN 21 |
| 89 | #define UCDN_SCRIPT_MYANMAR 22 |
| 90 | #define UCDN_SCRIPT_GEORGIAN 23 |
| 91 | #define UCDN_SCRIPT_HANGUL 24 |
| 92 | #define UCDN_SCRIPT_ETHIOPIC 25 |
| 93 | #define UCDN_SCRIPT_CHEROKEE 26 |
| 94 | #define UCDN_SCRIPT_CANADIAN_ABORIGINAL 27 |
| 95 | #define UCDN_SCRIPT_OGHAM 28 |
| 96 | #define UCDN_SCRIPT_RUNIC 29 |
| 97 | #define UCDN_SCRIPT_KHMER 30 |
| 98 | #define UCDN_SCRIPT_MONGOLIAN 31 |
| 99 | #define UCDN_SCRIPT_HIRAGANA 32 |
| 100 | #define UCDN_SCRIPT_KATAKANA 33 |
| 101 | #define UCDN_SCRIPT_BOPOMOFO 34 |
| 102 | #define UCDN_SCRIPT_HAN 35 |
| 103 | #define UCDN_SCRIPT_YI 36 |
| 104 | #define UCDN_SCRIPT_OLD_ITALIC 37 |
| 105 | #define UCDN_SCRIPT_GOTHIC 38 |
| 106 | #define UCDN_SCRIPT_DESERET 39 |
| 107 | #define UCDN_SCRIPT_INHERITED 40 |
| 108 | #define UCDN_SCRIPT_TAGALOG 41 |
| 109 | #define UCDN_SCRIPT_HANUNOO 42 |
| 110 | #define UCDN_SCRIPT_BUHID 43 |
| 111 | #define UCDN_SCRIPT_TAGBANWA 44 |
| 112 | #define UCDN_SCRIPT_LIMBU 45 |
| 113 | #define UCDN_SCRIPT_TAI_LE 46 |
| 114 | #define UCDN_SCRIPT_LINEAR_B 47 |
| 115 | #define UCDN_SCRIPT_UGARITIC 48 |
| 116 | #define UCDN_SCRIPT_SHAVIAN 49 |
| 117 | #define UCDN_SCRIPT_OSMANYA 50 |
| 118 | #define UCDN_SCRIPT_CYPRIOT 51 |
| 119 | #define UCDN_SCRIPT_BRAILLE 52 |
| 120 | #define UCDN_SCRIPT_BUGINESE 53 |
| 121 | #define UCDN_SCRIPT_COPTIC 54 |
| 122 | #define UCDN_SCRIPT_NEW_TAI_LUE 55 |
| 123 | #define UCDN_SCRIPT_GLAGOLITIC 56 |
| 124 | #define UCDN_SCRIPT_TIFINAGH 57 |
| 125 | #define UCDN_SCRIPT_SYLOTI_NAGRI 58 |
| 126 | #define UCDN_SCRIPT_OLD_PERSIAN 59 |
| 127 | #define UCDN_SCRIPT_KHAROSHTHI 60 |
| 128 | #define UCDN_SCRIPT_BALINESE 61 |
| 129 | #define UCDN_SCRIPT_CUNEIFORM 62 |
| 130 | #define UCDN_SCRIPT_PHOENICIAN 63 |
| 131 | #define UCDN_SCRIPT_PHAGS_PA 64 |
| 132 | #define UCDN_SCRIPT_NKO 65 |
| 133 | #define UCDN_SCRIPT_SUNDANESE 66 |
| 134 | #define UCDN_SCRIPT_LEPCHA 67 |
| 135 | #define UCDN_SCRIPT_OL_CHIKI 68 |
| 136 | #define UCDN_SCRIPT_VAI 69 |
| 137 | #define UCDN_SCRIPT_SAURASHTRA 70 |
| 138 | #define UCDN_SCRIPT_KAYAH_LI 71 |
| 139 | #define UCDN_SCRIPT_REJANG 72 |
| 140 | #define UCDN_SCRIPT_LYCIAN 73 |
| 141 | #define UCDN_SCRIPT_CARIAN 74 |
| 142 | #define UCDN_SCRIPT_LYDIAN 75 |
| 143 | #define UCDN_SCRIPT_CHAM 76 |
| 144 | #define UCDN_SCRIPT_TAI_THAM 77 |
| 145 | #define UCDN_SCRIPT_TAI_VIET 78 |
| 146 | #define UCDN_SCRIPT_AVESTAN 79 |
| 147 | #define UCDN_SCRIPT_EGYPTIAN_HIEROGLYPHS 80 |
| 148 | #define UCDN_SCRIPT_SAMARITAN 81 |
| 149 | #define UCDN_SCRIPT_LISU 82 |
| 150 | #define UCDN_SCRIPT_BAMUM 83 |
| 151 | #define UCDN_SCRIPT_JAVANESE 84 |
| 152 | #define UCDN_SCRIPT_MEETEI_MAYEK 85 |
| 153 | #define UCDN_SCRIPT_IMPERIAL_ARAMAIC 86 |
| 154 | #define UCDN_SCRIPT_OLD_SOUTH_ARABIAN 87 |
| 155 | #define UCDN_SCRIPT_INSCRIPTIONAL_PARTHIAN 88 |
| 156 | #define UCDN_SCRIPT_INSCRIPTIONAL_PAHLAVI 89 |
| 157 | #define UCDN_SCRIPT_OLD_TURKIC 90 |
| 158 | #define UCDN_SCRIPT_KAITHI 91 |
| 159 | #define UCDN_SCRIPT_BATAK 92 |
| 160 | #define UCDN_SCRIPT_BRAHMI 93 |
| 161 | #define UCDN_SCRIPT_MANDAIC 94 |
| 162 | #define UCDN_SCRIPT_CHAKMA 95 |
| 163 | #define UCDN_SCRIPT_MEROITIC_CURSIVE 96 |
| 164 | #define UCDN_SCRIPT_MEROITIC_HIEROGLYPHS 97 |
| 165 | #define UCDN_SCRIPT_MIAO 98 |
| 166 | #define UCDN_SCRIPT_SHARADA 99 |
| 167 | #define UCDN_SCRIPT_SORA_SOMPENG 100 |
| 168 | #define UCDN_SCRIPT_TAKRI 101 |
| 169 | #define UCDN_SCRIPT_UNKNOWN 102 |
| 170 | #define UCDN_SCRIPT_BASSA_VAH 103 |
| 171 | #define UCDN_SCRIPT_CAUCASIAN_ALBANIAN 104 |
| 172 | #define UCDN_SCRIPT_DUPLOYAN 105 |
| 173 | #define UCDN_SCRIPT_ELBASAN 106 |
| 174 | #define UCDN_SCRIPT_GRANTHA 107 |
| 175 | #define UCDN_SCRIPT_KHOJKI 108 |
| 176 | #define UCDN_SCRIPT_KHUDAWADI 109 |
| 177 | #define UCDN_SCRIPT_LINEAR_A 110 |
| 178 | #define UCDN_SCRIPT_MAHAJANI 111 |
| 179 | #define UCDN_SCRIPT_MANICHAEAN 112 |
| 180 | #define UCDN_SCRIPT_MENDE_KIKAKUI 113 |
| 181 | #define UCDN_SCRIPT_MODI 114 |
| 182 | #define UCDN_SCRIPT_MRO 115 |
| 183 | #define UCDN_SCRIPT_NABATAEAN 116 |
| 184 | #define UCDN_SCRIPT_OLD_NORTH_ARABIAN 117 |
| 185 | #define UCDN_SCRIPT_OLD_PERMIC 118 |
| 186 | #define UCDN_SCRIPT_PAHAWH_HMONG 119 |
| 187 | #define UCDN_SCRIPT_PALMYRENE 120 |
| 188 | #define UCDN_SCRIPT_PAU_CIN_HAU 121 |
| 189 | #define UCDN_SCRIPT_PSALTER_PAHLAVI 122 |
| 190 | #define UCDN_SCRIPT_SIDDHAM 123 |
| 191 | #define UCDN_SCRIPT_TIRHUTA 124 |
| 192 | #define UCDN_SCRIPT_WARANG_CITI 125 |
| 193 | #define UCDN_SCRIPT_AHOM 126 |
| 194 | #define UCDN_SCRIPT_ANATOLIAN_HIEROGLYPHS 127 |
| 195 | #define UCDN_SCRIPT_HATRAN 128 |
| 196 | #define UCDN_SCRIPT_MULTANI 129 |
| 197 | #define UCDN_SCRIPT_OLD_HUNGARIAN 130 |
| 198 | #define UCDN_SCRIPT_SIGNWRITING 131 |
| 199 | #define UCDN_SCRIPT_ADLAM 132 |
| 200 | #define UCDN_SCRIPT_BHAIKSUKI 133 |
| 201 | #define UCDN_SCRIPT_MARCHEN 134 |
| 202 | #define UCDN_SCRIPT_NEWA 135 |
| 203 | #define UCDN_SCRIPT_OSAGE 136 |
| 204 | #define UCDN_SCRIPT_TANGUT 137 |
| 205 | #define UCDN_SCRIPT_MASARAM_GONDI 138 |
| 206 | #define UCDN_SCRIPT_NUSHU 139 |
| 207 | #define UCDN_SCRIPT_SOYOMBO 140 |
| 208 | #define UCDN_SCRIPT_ZANABAZAR_SQUARE 141 |
| 209 | |
| 210 | #define UCDN_LINEBREAK_CLASS_OP 0 |
| 211 | #define UCDN_LINEBREAK_CLASS_CL 1 |
| 212 | #define UCDN_LINEBREAK_CLASS_CP 2 |
| 213 | #define UCDN_LINEBREAK_CLASS_QU 3 |
| 214 | #define UCDN_LINEBREAK_CLASS_GL 4 |
| 215 | #define UCDN_LINEBREAK_CLASS_NS 5 |
| 216 | #define UCDN_LINEBREAK_CLASS_EX 6 |
| 217 | #define UCDN_LINEBREAK_CLASS_SY 7 |
| 218 | #define UCDN_LINEBREAK_CLASS_IS 8 |
| 219 | #define UCDN_LINEBREAK_CLASS_PR 9 |
| 220 | #define UCDN_LINEBREAK_CLASS_PO 10 |
| 221 | #define UCDN_LINEBREAK_CLASS_NU 11 |
| 222 | #define UCDN_LINEBREAK_CLASS_AL 12 |
| 223 | #define UCDN_LINEBREAK_CLASS_HL 13 |
| 224 | #define UCDN_LINEBREAK_CLASS_ID 14 |
| 225 | #define UCDN_LINEBREAK_CLASS_IN 15 |
| 226 | #define UCDN_LINEBREAK_CLASS_HY 16 |
| 227 | #define UCDN_LINEBREAK_CLASS_BA 17 |
| 228 | #define UCDN_LINEBREAK_CLASS_BB 18 |
| 229 | #define UCDN_LINEBREAK_CLASS_B2 19 |
| 230 | #define UCDN_LINEBREAK_CLASS_ZW 20 |
| 231 | #define UCDN_LINEBREAK_CLASS_CM 21 |
| 232 | #define UCDN_LINEBREAK_CLASS_WJ 22 |
| 233 | #define UCDN_LINEBREAK_CLASS_H2 23 |
| 234 | #define UCDN_LINEBREAK_CLASS_H3 24 |
| 235 | #define UCDN_LINEBREAK_CLASS_JL 25 |
| 236 | #define UCDN_LINEBREAK_CLASS_JV 26 |
| 237 | #define UCDN_LINEBREAK_CLASS_JT 27 |
| 238 | #define UCDN_LINEBREAK_CLASS_RI 28 |
| 239 | #define UCDN_LINEBREAK_CLASS_AI 29 |
| 240 | #define UCDN_LINEBREAK_CLASS_BK 30 |
| 241 | #define UCDN_LINEBREAK_CLASS_CB 31 |
| 242 | #define UCDN_LINEBREAK_CLASS_CJ 32 |
| 243 | #define UCDN_LINEBREAK_CLASS_CR 33 |
| 244 | #define UCDN_LINEBREAK_CLASS_LF 34 |
| 245 | #define UCDN_LINEBREAK_CLASS_NL 35 |
| 246 | #define UCDN_LINEBREAK_CLASS_SA 36 |
| 247 | #define UCDN_LINEBREAK_CLASS_SG 37 |
| 248 | #define UCDN_LINEBREAK_CLASS_SP 38 |
| 249 | #define UCDN_LINEBREAK_CLASS_XX 39 |
| 250 | #define UCDN_LINEBREAK_CLASS_ZWJ 40 |
| 251 | #define UCDN_LINEBREAK_CLASS_EB 41 |
| 252 | #define UCDN_LINEBREAK_CLASS_EM 42 |
| 253 | |
| 254 | #define UCDN_GENERAL_CATEGORY_CC 0 |
| 255 | #define UCDN_GENERAL_CATEGORY_CF 1 |
| 256 | #define UCDN_GENERAL_CATEGORY_CN 2 |
| 257 | #define UCDN_GENERAL_CATEGORY_CO 3 |
| 258 | #define UCDN_GENERAL_CATEGORY_CS 4 |
| 259 | #define UCDN_GENERAL_CATEGORY_LL 5 |
| 260 | #define UCDN_GENERAL_CATEGORY_LM 6 |
| 261 | #define UCDN_GENERAL_CATEGORY_LO 7 |
| 262 | #define UCDN_GENERAL_CATEGORY_LT 8 |
| 263 | #define UCDN_GENERAL_CATEGORY_LU 9 |
| 264 | #define UCDN_GENERAL_CATEGORY_MC 10 |
| 265 | #define UCDN_GENERAL_CATEGORY_ME 11 |
| 266 | #define UCDN_GENERAL_CATEGORY_MN 12 |
| 267 | #define UCDN_GENERAL_CATEGORY_ND 13 |
| 268 | #define UCDN_GENERAL_CATEGORY_NL 14 |
| 269 | #define UCDN_GENERAL_CATEGORY_NO 15 |
| 270 | #define UCDN_GENERAL_CATEGORY_PC 16 |
| 271 | #define UCDN_GENERAL_CATEGORY_PD 17 |
| 272 | #define UCDN_GENERAL_CATEGORY_PE 18 |
| 273 | #define UCDN_GENERAL_CATEGORY_PF 19 |
| 274 | #define UCDN_GENERAL_CATEGORY_PI 20 |
| 275 | #define UCDN_GENERAL_CATEGORY_PO 21 |
| 276 | #define UCDN_GENERAL_CATEGORY_PS 22 |
| 277 | #define UCDN_GENERAL_CATEGORY_SC 23 |
| 278 | #define UCDN_GENERAL_CATEGORY_SK 24 |
| 279 | #define UCDN_GENERAL_CATEGORY_SM 25 |
| 280 | #define UCDN_GENERAL_CATEGORY_SO 26 |
| 281 | #define UCDN_GENERAL_CATEGORY_ZL 27 |
| 282 | #define UCDN_GENERAL_CATEGORY_ZP 28 |
| 283 | #define UCDN_GENERAL_CATEGORY_ZS 29 |
| 284 | |
| 285 | #define UCDN_BIDI_CLASS_L 0 |
| 286 | #define UCDN_BIDI_CLASS_LRE 1 |
| 287 | #define UCDN_BIDI_CLASS_LRO 2 |
| 288 | #define UCDN_BIDI_CLASS_R 3 |
| 289 | #define UCDN_BIDI_CLASS_AL 4 |
| 290 | #define UCDN_BIDI_CLASS_RLE 5 |
| 291 | #define UCDN_BIDI_CLASS_RLO 6 |
| 292 | #define UCDN_BIDI_CLASS_PDF 7 |
| 293 | #define UCDN_BIDI_CLASS_EN 8 |
| 294 | #define UCDN_BIDI_CLASS_ES 9 |
| 295 | #define UCDN_BIDI_CLASS_ET 10 |
| 296 | #define UCDN_BIDI_CLASS_AN 11 |
| 297 | #define UCDN_BIDI_CLASS_CS 12 |
| 298 | #define UCDN_BIDI_CLASS_NSM 13 |
| 299 | #define UCDN_BIDI_CLASS_BN 14 |
| 300 | #define UCDN_BIDI_CLASS_B 15 |
| 301 | #define UCDN_BIDI_CLASS_S 16 |
| 302 | #define UCDN_BIDI_CLASS_WS 17 |
| 303 | #define UCDN_BIDI_CLASS_ON 18 |
| 304 | #define UCDN_BIDI_CLASS_LRI 19 |
| 305 | #define UCDN_BIDI_CLASS_RLI 20 |
| 306 | #define UCDN_BIDI_CLASS_FSI 21 |
| 307 | #define UCDN_BIDI_CLASS_PDI 22 |
| 308 | |
| 309 | #define UCDN_BIDI_PAIRED_BRACKET_TYPE_OPEN 0 |
| 310 | #define UCDN_BIDI_PAIRED_BRACKET_TYPE_CLOSE 1 |
| 311 | #define UCDN_BIDI_PAIRED_BRACKET_TYPE_NONE 2 |
| 312 | |
| 313 | /** |
| 314 | * Return version of the Unicode database. |
| 315 | * |
| 316 | * @return Unicode database version |
| 317 | */ |
| 318 | const char *ucdn_get_unicode_version(void); |
| 319 | |
| 320 | /** |
| 321 | * Get combining class of a codepoint. |
| 322 | * |
| 323 | * @param code Unicode codepoint |
| 324 | * @return combining class value, as defined in UAX#44 |
| 325 | */ |
| 326 | int ucdn_get_combining_class(uint32_t code); |
| 327 | |
| 328 | /** |
| 329 | * Get east-asian width of a codepoint. |
| 330 | * |
| 331 | * @param code Unicode codepoint |
| 332 | * @return value according to UCDN_EAST_ASIAN_* and as defined in UAX#11. |
| 333 | */ |
| 334 | int ucdn_get_east_asian_width(uint32_t code); |
| 335 | |
| 336 | /** |
| 337 | * Get general category of a codepoint. |
| 338 | * |
| 339 | * @param code Unicode codepoint |
| 340 | * @return value according to UCDN_GENERAL_CATEGORY_* and as defined in |
| 341 | * UAX#44. |
| 342 | */ |
| 343 | int ucdn_get_general_category(uint32_t code); |
| 344 | |
| 345 | /** |
| 346 | * Get bidirectional class of a codepoint. |
| 347 | * |
| 348 | * @param code Unicode codepoint |
| 349 | * @return value according to UCDN_BIDI_CLASS_* and as defined in UAX#44. |
| 350 | */ |
| 351 | int ucdn_get_bidi_class(uint32_t code); |
| 352 | |
| 353 | /** |
| 354 | * Get script of a codepoint. |
| 355 | * |
| 356 | * @param code Unicode codepoint |
| 357 | * @return value according to UCDN_SCRIPT_* and as defined in UAX#24. |
| 358 | */ |
| 359 | int ucdn_get_script(uint32_t code); |
| 360 | |
| 361 | /** |
| 362 | * Get unresolved linebreak class of a codepoint. This does not take |
| 363 | * rule LB1 of UAX#14 into account. See ucdn_get_resolved_linebreak_class() |
| 364 | * for resolved linebreak classes. |
| 365 | * |
| 366 | * @param code Unicode codepoint |
| 367 | * @return value according to UCDN_LINEBREAK_* and as defined in UAX#14. |
| 368 | */ |
| 369 | int ucdn_get_linebreak_class(uint32_t code); |
| 370 | |
| 371 | /** |
| 372 | * Get resolved linebreak class of a codepoint. This resolves characters |
| 373 | * in the AI, SG, XX, SA and CJ classes according to rule LB1 of UAX#14. |
| 374 | * In addition the CB class is resolved as the equivalent B2 class and |
| 375 | * the NL class is resolved as the equivalent BK class. |
| 376 | * |
| 377 | * @param code Unicode codepoint |
| 378 | * @return value according to UCDN_LINEBREAK_* and as defined in UAX#14. |
| 379 | */ |
| 380 | int ucdn_get_resolved_linebreak_class(uint32_t code); |
| 381 | |
| 382 | /** |
| 383 | * Check if codepoint can be mirrored. |
| 384 | * |
| 385 | * @param code Unicode codepoint |
| 386 | * @return 1 if mirrored character exists, otherwise 0 |
| 387 | */ |
| 388 | int ucdn_get_mirrored(uint32_t code); |
| 389 | |
| 390 | /** |
| 391 | * Mirror a codepoint. |
| 392 | * |
| 393 | * @param code Unicode codepoint |
| 394 | * @return mirrored codepoint or the original codepoint if no |
| 395 | * mirrored character exists |
| 396 | */ |
| 397 | uint32_t ucdn_mirror(uint32_t code); |
| 398 | |
| 399 | /** |
| 400 | * Get paired bracket for a codepoint. |
| 401 | * |
| 402 | * @param code Unicode codepoint |
| 403 | * @return paired bracket codepoint or the original codepoint if no |
| 404 | * paired bracket character exists |
| 405 | */ |
| 406 | uint32_t ucdn_paired_bracket(uint32_t code); |
| 407 | |
| 408 | /** |
| 409 | * Get paired bracket type for a codepoint. |
| 410 | * |
| 411 | * @param code Unicode codepoint |
| 412 | * @return value according to UCDN_BIDI_PAIRED_BRACKET_TYPE_* and as defined |
| 413 | * in UAX#9. |
| 414 | * |
| 415 | */ |
| 416 | int ucdn_paired_bracket_type(uint32_t code); |
| 417 | |
| 418 | /** |
| 419 | * Pairwise canonical decomposition of a codepoint. This includes |
| 420 | * Hangul Jamo decomposition (see chapter 3.12 of the Unicode core |
| 421 | * specification). |
| 422 | * |
| 423 | * Hangul is decomposed into L and V jamos for LV forms, and an |
| 424 | * LV precomposed syllable and a T jamo for LVT forms. |
| 425 | * |
| 426 | * @param code Unicode codepoint |
| 427 | * @param a filled with first codepoint of decomposition |
| 428 | * @param b filled with second codepoint of decomposition, or 0 |
| 429 | * @return success |
| 430 | */ |
| 431 | int ucdn_decompose(uint32_t code, uint32_t *a, uint32_t *b); |
| 432 | |
| 433 | /** |
| 434 | * Compatibility decomposition of a codepoint. |
| 435 | * |
| 436 | * @param code Unicode codepoint |
| 437 | * @param decomposed filled with decomposition, must be able to hold 18 |
| 438 | * characters |
| 439 | * @return length of decomposition or 0 in case none exists |
| 440 | */ |
| 441 | int ucdn_compat_decompose(uint32_t code, uint32_t *decomposed); |
| 442 | |
| 443 | /** |
| 444 | * Pairwise canonical composition of two codepoints. This includes |
| 445 | * Hangul Jamo composition (see chapter 3.12 of the Unicode core |
| 446 | * specification). |
| 447 | * |
| 448 | * Hangul composition expects either L and V jamos, or an LV |
| 449 | * precomposed syllable and a T jamo. This is exactly the inverse |
| 450 | * of pairwise Hangul decomposition. |
| 451 | * |
| 452 | * @param code filled with composition |
| 453 | * @param a first codepoint |
| 454 | * @param b second codepoint |
| 455 | * @return success |
| 456 | */ |
| 457 | int ucdn_compose(uint32_t *code, uint32_t a, uint32_t b); |
| 458 | |
| 459 | HB_END_HEADER |
| 460 | |
| 461 | #endif |
| 462 | |