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