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1 /* |
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2 * Copyright (C) 2012 Grigori Goronzy <greg@kinoho.net> |
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3 * |
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4 * Permission to use, copy, modify, and/or distribute this software for any |
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5 * purpose with or without fee is hereby granted, provided that the above |
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6 * copyright notice and this permission notice appear in all copies. |
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7 * |
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8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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15 */ |
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16 |
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17 #include "hb-private.hh" |
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18 |
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19 #include "hb-unicode-private.hh" |
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20 |
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21 #include "ucdn.h" |
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22 |
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23 static const hb_script_t ucdn_script_translate[] = |
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24 { |
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25 HB_SCRIPT_COMMON, |
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26 HB_SCRIPT_LATIN, |
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27 HB_SCRIPT_GREEK, |
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28 HB_SCRIPT_CYRILLIC, |
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29 HB_SCRIPT_ARMENIAN, |
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30 HB_SCRIPT_HEBREW, |
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31 HB_SCRIPT_ARABIC, |
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32 HB_SCRIPT_SYRIAC, |
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33 HB_SCRIPT_THAANA, |
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34 HB_SCRIPT_DEVANAGARI, |
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35 HB_SCRIPT_BENGALI, |
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36 HB_SCRIPT_GURMUKHI, |
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37 HB_SCRIPT_GUJARATI, |
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38 HB_SCRIPT_ORIYA, |
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39 HB_SCRIPT_TAMIL, |
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40 HB_SCRIPT_TELUGU, |
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41 HB_SCRIPT_KANNADA, |
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42 HB_SCRIPT_MALAYALAM, |
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43 HB_SCRIPT_SINHALA, |
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44 HB_SCRIPT_THAI, |
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45 HB_SCRIPT_LAO, |
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46 HB_SCRIPT_TIBETAN, |
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47 HB_SCRIPT_MYANMAR, |
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48 HB_SCRIPT_GEORGIAN, |
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49 HB_SCRIPT_HANGUL, |
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50 HB_SCRIPT_ETHIOPIC, |
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51 HB_SCRIPT_CHEROKEE, |
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52 HB_SCRIPT_CANADIAN_SYLLABICS, |
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53 HB_SCRIPT_OGHAM, |
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54 HB_SCRIPT_RUNIC, |
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55 HB_SCRIPT_KHMER, |
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56 HB_SCRIPT_MONGOLIAN, |
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57 HB_SCRIPT_HIRAGANA, |
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58 HB_SCRIPT_KATAKANA, |
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59 HB_SCRIPT_BOPOMOFO, |
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60 HB_SCRIPT_HAN, |
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61 HB_SCRIPT_YI, |
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62 HB_SCRIPT_OLD_ITALIC, |
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63 HB_SCRIPT_GOTHIC, |
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64 HB_SCRIPT_DESERET, |
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65 HB_SCRIPT_INHERITED, |
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66 HB_SCRIPT_TAGALOG, |
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67 HB_SCRIPT_HANUNOO, |
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68 HB_SCRIPT_BUHID, |
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69 HB_SCRIPT_TAGBANWA, |
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70 HB_SCRIPT_LIMBU, |
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71 HB_SCRIPT_TAI_LE, |
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72 HB_SCRIPT_LINEAR_B, |
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73 HB_SCRIPT_UGARITIC, |
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74 HB_SCRIPT_SHAVIAN, |
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75 HB_SCRIPT_OSMANYA, |
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76 HB_SCRIPT_CYPRIOT, |
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77 HB_SCRIPT_BRAILLE, |
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78 HB_SCRIPT_BUGINESE, |
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79 HB_SCRIPT_COPTIC, |
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80 HB_SCRIPT_NEW_TAI_LUE, |
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81 HB_SCRIPT_GLAGOLITIC, |
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82 HB_SCRIPT_TIFINAGH, |
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83 HB_SCRIPT_SYLOTI_NAGRI, |
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84 HB_SCRIPT_OLD_PERSIAN, |
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85 HB_SCRIPT_KHAROSHTHI, |
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86 HB_SCRIPT_BALINESE, |
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87 HB_SCRIPT_CUNEIFORM, |
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88 HB_SCRIPT_PHOENICIAN, |
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89 HB_SCRIPT_PHAGS_PA, |
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90 HB_SCRIPT_NKO, |
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91 HB_SCRIPT_SUNDANESE, |
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92 HB_SCRIPT_LEPCHA, |
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93 HB_SCRIPT_OL_CHIKI, |
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94 HB_SCRIPT_VAI, |
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95 HB_SCRIPT_SAURASHTRA, |
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96 HB_SCRIPT_KAYAH_LI, |
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97 HB_SCRIPT_REJANG, |
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98 HB_SCRIPT_LYCIAN, |
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99 HB_SCRIPT_CARIAN, |
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100 HB_SCRIPT_LYDIAN, |
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101 HB_SCRIPT_CHAM, |
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102 HB_SCRIPT_TAI_THAM, |
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103 HB_SCRIPT_TAI_VIET, |
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104 HB_SCRIPT_AVESTAN, |
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105 HB_SCRIPT_EGYPTIAN_HIEROGLYPHS, |
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106 HB_SCRIPT_SAMARITAN, |
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107 HB_SCRIPT_LISU, |
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108 HB_SCRIPT_BAMUM, |
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109 HB_SCRIPT_JAVANESE, |
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110 HB_SCRIPT_MEETEI_MAYEK, |
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111 HB_SCRIPT_IMPERIAL_ARAMAIC, |
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112 HB_SCRIPT_OLD_SOUTH_ARABIAN, |
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113 HB_SCRIPT_INSCRIPTIONAL_PARTHIAN, |
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114 HB_SCRIPT_INSCRIPTIONAL_PAHLAVI, |
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115 HB_SCRIPT_OLD_TURKIC, |
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116 HB_SCRIPT_KAITHI, |
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117 HB_SCRIPT_BATAK, |
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118 HB_SCRIPT_BRAHMI, |
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119 HB_SCRIPT_MANDAIC, |
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120 HB_SCRIPT_CHAKMA, |
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121 HB_SCRIPT_MEROITIC_CURSIVE, |
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122 HB_SCRIPT_MEROITIC_HIEROGLYPHS, |
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123 HB_SCRIPT_MIAO, |
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124 HB_SCRIPT_SHARADA, |
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125 HB_SCRIPT_SORA_SOMPENG, |
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126 HB_SCRIPT_TAKRI, |
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127 HB_SCRIPT_UNKNOWN, |
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128 HB_SCRIPT_BASSA_VAH, |
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129 HB_SCRIPT_CAUCASIAN_ALBANIAN, |
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130 HB_SCRIPT_DUPLOYAN, |
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131 HB_SCRIPT_ELBASAN, |
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132 HB_SCRIPT_GRANTHA, |
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133 HB_SCRIPT_KHOJKI, |
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134 HB_SCRIPT_KHUDAWADI, |
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135 HB_SCRIPT_LINEAR_A, |
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136 HB_SCRIPT_MAHAJANI, |
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137 HB_SCRIPT_MANICHAEAN, |
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138 HB_SCRIPT_MENDE_KIKAKUI, |
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139 HB_SCRIPT_MODI, |
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140 HB_SCRIPT_MRO, |
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141 HB_SCRIPT_NABATAEAN, |
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142 HB_SCRIPT_OLD_NORTH_ARABIAN, |
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143 HB_SCRIPT_OLD_PERMIC, |
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144 HB_SCRIPT_PAHAWH_HMONG, |
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145 HB_SCRIPT_PALMYRENE, |
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146 HB_SCRIPT_PAU_CIN_HAU, |
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147 HB_SCRIPT_PSALTER_PAHLAVI, |
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148 HB_SCRIPT_SIDDHAM, |
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149 HB_SCRIPT_TIRHUTA, |
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150 HB_SCRIPT_WARANG_CITI, |
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151 HB_SCRIPT_AHOM, |
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152 HB_SCRIPT_ANATOLIAN_HIEROGLYPHS, |
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153 HB_SCRIPT_HATRAN, |
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154 HB_SCRIPT_MULTANI, |
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155 HB_SCRIPT_OLD_HUNGARIAN, |
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156 HB_SCRIPT_SIGNWRITING, |
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157 }; |
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158 |
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159 static hb_unicode_combining_class_t |
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160 hb_ucdn_combining_class(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, |
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161 void *user_data HB_UNUSED) |
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162 { |
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163 return (hb_unicode_combining_class_t) ucdn_get_combining_class(unicode); |
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164 } |
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165 |
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166 static unsigned int |
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167 hb_ucdn_eastasian_width(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, |
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168 void *user_data HB_UNUSED) |
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169 { |
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170 int w = ucdn_get_east_asian_width(unicode); |
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171 return (w == UCDN_EAST_ASIAN_F || w == UCDN_EAST_ASIAN_W) ? 2 : 1; |
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172 } |
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173 |
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174 static hb_unicode_general_category_t |
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175 hb_ucdn_general_category(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, |
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176 void *user_data HB_UNUSED) |
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177 { |
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178 return (hb_unicode_general_category_t)ucdn_get_general_category(unicode); |
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179 } |
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180 |
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181 static hb_codepoint_t |
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182 hb_ucdn_mirroring(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, |
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183 void *user_data HB_UNUSED) |
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184 { |
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185 return ucdn_mirror(unicode); |
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186 } |
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187 |
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188 static hb_script_t |
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189 hb_ucdn_script(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode, |
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190 void *user_data HB_UNUSED) |
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191 { |
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192 return ucdn_script_translate[ucdn_get_script(unicode)]; |
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193 } |
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194 |
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195 static hb_bool_t |
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196 hb_ucdn_compose(hb_unicode_funcs_t *ufuncs, |
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197 hb_codepoint_t a, hb_codepoint_t b, hb_codepoint_t *ab, |
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198 void *user_data HB_UNUSED) |
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199 { |
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200 return ucdn_compose(ab, a, b); |
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201 } |
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202 |
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203 static hb_bool_t |
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204 hb_ucdn_decompose(hb_unicode_funcs_t *ufuncs, |
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205 hb_codepoint_t ab, hb_codepoint_t *a, hb_codepoint_t *b, |
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206 void *user_data HB_UNUSED) |
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207 { |
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208 return ucdn_decompose(ab, a, b); |
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209 } |
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210 |
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211 static unsigned int |
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212 hb_ucdn_decompose_compatibility(hb_unicode_funcs_t *ufuncs, |
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213 hb_codepoint_t u, hb_codepoint_t *decomposed, |
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214 void *user_data HB_UNUSED) |
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215 { |
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216 return ucdn_compat_decompose(u, decomposed); |
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217 } |
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218 |
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219 extern "C" HB_INTERNAL |
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220 hb_unicode_funcs_t * |
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221 hb_ucdn_get_unicode_funcs (void) |
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222 { |
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223 static const hb_unicode_funcs_t _hb_ucdn_unicode_funcs = { |
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224 HB_OBJECT_HEADER_STATIC, |
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225 |
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226 NULL, /* parent */ |
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227 true, /* immutable */ |
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228 { |
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229 #define HB_UNICODE_FUNC_IMPLEMENT(name) hb_ucdn_##name, |
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230 HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS |
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231 #undef HB_UNICODE_FUNC_IMPLEMENT |
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232 } |
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233 }; |
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234 |
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235 return const_cast<hb_unicode_funcs_t *> (&_hb_ucdn_unicode_funcs); |
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236 } |
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237 |