| /* |
| * Copyright (C) 2009 Red Hat, Inc. |
| * Copyright (C) 2009 Keith Stribley <[email protected]> |
| * |
| * 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 <unicode/uversion.h> |
| #include <unicode/uchar.h> |
| #include <unicode/uscript.h> |
| |
| 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 CHECK_ICU_VERSION(major, minor) \ |
| U_ICU_VERSION_MAJOR_NUM > (major) || (U_ICU_VERSION_MAJOR_NUM == (major) && U_ICU_VERSION_MINOR_NUM >= (minor)) |
| #define MATCH_SCRIPT(C) case USCRIPT_##C: return HB_SCRIPT_##C |
| #define MATCH_SCRIPT2(C1, C2) case USCRIPT_##C1: return HB_SCRIPT_##C2 |
| 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 */ |
| |
| /* Unicode-5.2 additions */ |
| MATCH_SCRIPT (AVESTAN); /* Avst */ |
| #if CHECK_ICU_VERSION (4, 4) |
| MATCH_SCRIPT (BAMUM); /* Bamu */ |
| #endif |
| MATCH_SCRIPT (EGYPTIAN_HIEROGLYPHS); /* Egyp */ |
| MATCH_SCRIPT (IMPERIAL_ARAMAIC); /* Armi */ |
| MATCH_SCRIPT (INSCRIPTIONAL_PAHLAVI); /* Phli */ |
| MATCH_SCRIPT (INSCRIPTIONAL_PARTHIAN); /* Prti */ |
| MATCH_SCRIPT (JAVANESE); /* Java */ |
| MATCH_SCRIPT (KAITHI); /* Kthi */ |
| MATCH_SCRIPT2(LANNA, TAI_THAM); /* Lana */ |
| #if CHECK_ICU_VERSION (4, 4) |
| MATCH_SCRIPT (LISU); /* Lisu */ |
| #endif |
| MATCH_SCRIPT (MEITEI_MAYEK); /* Mtei */ |
| #if CHECK_ICU_VERSION (4, 4) |
| MATCH_SCRIPT (OLD_SOUTH_ARABIAN); /* Sarb */ |
| #endif |
| MATCH_SCRIPT2(ORKHON, OLD_TURKIC); /* Orkh */ |
| MATCH_SCRIPT (SAMARITAN); /* Samr */ |
| MATCH_SCRIPT (TAI_VIET); /* Tavt */ |
| } |
| 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; |
| } |
