/* * Copyright (C) 2009 Red Hat, Inc. * Copyright (C) 2009 Keith Stribley * * This is part of HarfBuzz, a text shaping library. * * Permission is hereby granted, without written agreement and without * license or royalty fees, to use, copy, modify, and distribute this * software and its documentation for any purpose, provided that the * above copyright notice and the following two paragraphs appear in * all copies of this software. * * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE. * * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. * * Red Hat Author(s): Behdad Esfahbod */ #include "hb-private.h" #include "hb-icu.h" #include "hb-unicode-private.h" #include #include static hb_codepoint_t hb_icu_get_mirroring (hb_codepoint_t unicode) { return u_charMirror(unicode); } static unsigned int hb_icu_get_combining_class (hb_codepoint_t unicode) { return u_getCombiningClass (unicode); } static unsigned int hb_icu_get_eastasian_width (hb_codepoint_t unicode) { switch (u_getIntPropertyValue(unicode, UCHAR_EAST_ASIAN_WIDTH)) { case U_EA_WIDE: case U_EA_FULLWIDTH: return 2; case U_EA_NEUTRAL: case U_EA_AMBIGUOUS: case U_EA_HALFWIDTH: case U_EA_NARROW: return 1; } return 1; } static hb_category_t hb_icu_get_general_category (hb_codepoint_t unicode) { switch (u_getIntPropertyValue(unicode, UCHAR_GENERAL_CATEGORY)) { case U_UNASSIGNED: return HB_CATEGORY_UNASSIGNED; case U_UPPERCASE_LETTER: return HB_CATEGORY_UPPERCASE_LETTER; /* Lu */ case U_LOWERCASE_LETTER: return HB_CATEGORY_LOWERCASE_LETTER; /* Ll */ case U_TITLECASE_LETTER: return HB_CATEGORY_TITLECASE_LETTER; /* Lt */ case U_MODIFIER_LETTER: return HB_CATEGORY_MODIFIER_LETTER; /* Lm */ case U_OTHER_LETTER: return HB_CATEGORY_OTHER_LETTER; /* Lo */ case U_NON_SPACING_MARK: return HB_CATEGORY_NON_SPACING_MARK; /* Mn */ case U_ENCLOSING_MARK: return HB_CATEGORY_ENCLOSING_MARK; /* Me */ case U_COMBINING_SPACING_MARK: return HB_CATEGORY_COMBINING_MARK; /* Mc */ case U_DECIMAL_DIGIT_NUMBER: return HB_CATEGORY_DECIMAL_NUMBER; /* Nd */ case U_LETTER_NUMBER: return HB_CATEGORY_LETTER_NUMBER; /* Nl */ case U_OTHER_NUMBER: return HB_CATEGORY_OTHER_NUMBER; /* No */ case U_SPACE_SEPARATOR: return HB_CATEGORY_SPACE_SEPARATOR; /* Zs */ case U_LINE_SEPARATOR: return HB_CATEGORY_LINE_SEPARATOR; /* Zl */ case U_PARAGRAPH_SEPARATOR: return HB_CATEGORY_PARAGRAPH_SEPARATOR; /* Zp */ case U_CONTROL_CHAR: return HB_CATEGORY_CONTROL; /* Cc */ case U_FORMAT_CHAR: return HB_CATEGORY_FORMAT; /* Cf */ case U_PRIVATE_USE_CHAR: return HB_CATEGORY_PRIVATE_USE; /* Co */ case U_SURROGATE: return HB_CATEGORY_SURROGATE; /* Cs */ case U_DASH_PUNCTUATION: return HB_CATEGORY_DASH_PUNCTUATION; /* Pd */ case U_START_PUNCTUATION: return HB_CATEGORY_OPEN_PUNCTUATION; /* Ps */ case U_END_PUNCTUATION: return HB_CATEGORY_CLOSE_PUNCTUATION; /* Pe */ case U_CONNECTOR_PUNCTUATION: return HB_CATEGORY_CONNECT_PUNCTUATION; /* Pc */ case U_OTHER_PUNCTUATION: return HB_CATEGORY_OTHER_PUNCTUATION; /* Po */ case U_MATH_SYMBOL: return HB_CATEGORY_MATH_SYMBOL; /* Sm */ case U_CURRENCY_SYMBOL: return HB_CATEGORY_CURRENCY_SYMBOL; /* Sc */ case U_MODIFIER_SYMBOL: return HB_CATEGORY_MODIFIER_SYMBOL; /* Sk */ case U_OTHER_SYMBOL: return HB_CATEGORY_OTHER_SYMBOL; /* So */ case U_INITIAL_PUNCTUATION: return HB_CATEGORY_INITIAL_PUNCTUATION; /* Pi */ case U_FINAL_PUNCTUATION: return HB_CATEGORY_FINAL_PUNCTUATION; /* Pf */ } return HB_CATEGORY_UNASSIGNED; } static hb_script_t hb_icu_get_script (hb_codepoint_t unicode) { UErrorCode status = U_ZERO_ERROR; UScriptCode scriptCode = uscript_getScript(unicode, &status); switch ((int) scriptCode) { #define MATCH_SCRIPT(C) case USCRIPT_##C: return HB_SCRIPT_##C MATCH_SCRIPT (INVALID_CODE); MATCH_SCRIPT (COMMON); /* Zyyy */ MATCH_SCRIPT (INHERITED); /* Qaai */ MATCH_SCRIPT (ARABIC); /* Arab */ MATCH_SCRIPT (ARMENIAN); /* Armn */ MATCH_SCRIPT (BENGALI); /* Beng */ MATCH_SCRIPT (BOPOMOFO); /* Bopo */ MATCH_SCRIPT (CHEROKEE); /* Cher */ MATCH_SCRIPT (COPTIC); /* Qaac */ MATCH_SCRIPT (CYRILLIC); /* Cyrl (Cyrs) */ MATCH_SCRIPT (DESERET); /* Dsrt */ MATCH_SCRIPT (DEVANAGARI); /* Deva */ MATCH_SCRIPT (ETHIOPIC); /* Ethi */ MATCH_SCRIPT (GEORGIAN); /* Geor (Geon); Geoa) */ MATCH_SCRIPT (GOTHIC); /* Goth */ MATCH_SCRIPT (GREEK); /* Grek */ MATCH_SCRIPT (GUJARATI); /* Gujr */ MATCH_SCRIPT (GURMUKHI); /* Guru */ MATCH_SCRIPT (HAN); /* Hani */ MATCH_SCRIPT (HANGUL); /* Hang */ MATCH_SCRIPT (HEBREW); /* Hebr */ MATCH_SCRIPT (HIRAGANA); /* Hira */ MATCH_SCRIPT (KANNADA); /* Knda */ MATCH_SCRIPT (KATAKANA); /* Kana */ MATCH_SCRIPT (KHMER); /* Khmr */ MATCH_SCRIPT (LAO); /* Laoo */ MATCH_SCRIPT (LATIN); /* Latn (Latf); Latg) */ MATCH_SCRIPT (MALAYALAM); /* Mlym */ MATCH_SCRIPT (MONGOLIAN); /* Mong */ MATCH_SCRIPT (MYANMAR); /* Mymr */ MATCH_SCRIPT (OGHAM); /* Ogam */ MATCH_SCRIPT (OLD_ITALIC); /* Ital */ MATCH_SCRIPT (ORIYA); /* Orya */ MATCH_SCRIPT (RUNIC); /* Runr */ MATCH_SCRIPT (SINHALA); /* Sinh */ MATCH_SCRIPT (SYRIAC); /* Syrc (Syrj, Syrn); Syre) */ MATCH_SCRIPT (TAMIL); /* Taml */ MATCH_SCRIPT (TELUGU); /* Telu */ MATCH_SCRIPT (THAANA); /* Thaa */ MATCH_SCRIPT (THAI); /* Thai */ MATCH_SCRIPT (TIBETAN); /* Tibt */ MATCH_SCRIPT (CANADIAN_ABORIGINAL);/* Cans */ MATCH_SCRIPT (YI); /* Yiii */ MATCH_SCRIPT (TAGALOG); /* Tglg */ MATCH_SCRIPT (HANUNOO); /* Hano */ MATCH_SCRIPT (BUHID); /* Buhd */ MATCH_SCRIPT (TAGBANWA); /* Tagb */ /* Unicode-4.0 additions */ MATCH_SCRIPT (BRAILLE); /* Brai */ MATCH_SCRIPT (CYPRIOT); /* Cprt */ MATCH_SCRIPT (LIMBU); /* Limb */ MATCH_SCRIPT (OSMANYA); /* Osma */ MATCH_SCRIPT (SHAVIAN); /* Shaw */ MATCH_SCRIPT (LINEAR_B); /* Linb */ MATCH_SCRIPT (TAI_LE); /* Tale */ MATCH_SCRIPT (UGARITIC); /* Ugar */ /* Unicode-4.1 additions */ MATCH_SCRIPT (NEW_TAI_LUE); /* Talu */ MATCH_SCRIPT (BUGINESE); /* Bugi */ MATCH_SCRIPT (GLAGOLITIC); /* Glag */ MATCH_SCRIPT (TIFINAGH); /* Tfng */ MATCH_SCRIPT (SYLOTI_NAGRI); /* Sylo */ MATCH_SCRIPT (OLD_PERSIAN); /* Xpeo */ MATCH_SCRIPT (KHAROSHTHI); /* Khar */ /* Unicode-5.0 additions */ MATCH_SCRIPT (UNKNOWN); /* Zzzz */ MATCH_SCRIPT (BALINESE); /* Bali */ MATCH_SCRIPT (CUNEIFORM); /* Xsux */ MATCH_SCRIPT (PHOENICIAN); /* Phnx */ MATCH_SCRIPT (PHAGS_PA); /* Phag */ MATCH_SCRIPT (NKO); /* Nkoo */ /* Unicode-5.1 additions */ MATCH_SCRIPT (KAYAH_LI); /* Kali */ MATCH_SCRIPT (LEPCHA); /* Lepc */ MATCH_SCRIPT (REJANG); /* Rjng */ MATCH_SCRIPT (SUNDANESE); /* Sund */ MATCH_SCRIPT (SAURASHTRA); /* Saur */ MATCH_SCRIPT (CHAM); /* Cham */ MATCH_SCRIPT (OL_CHIKI); /* Olck */ MATCH_SCRIPT (VAI); /* Vaii */ MATCH_SCRIPT (CARIAN); /* Cari */ MATCH_SCRIPT (LYCIAN); /* Lyci */ MATCH_SCRIPT (LYDIAN); /* Lydi */ } return HB_SCRIPT_UNKNOWN; } static hb_unicode_funcs_t icu_ufuncs = { HB_REFERENCE_COUNT_INVALID, /* ref_count */ TRUE, /* immutable */ hb_icu_get_general_category, hb_icu_get_combining_class, hb_icu_get_mirroring, hb_icu_get_script, hb_icu_get_eastasian_width }; hb_unicode_funcs_t * hb_icu_get_unicode_funcs (void) { return &icu_ufuncs; }