| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "sky/engine/platform/text/LocaleToScriptMapping.h" |
| |
| #include "sky/engine/wtf/HashMap.h" |
| #include "sky/engine/wtf/HashSet.h" |
| #include "sky/engine/wtf/text/StringHash.h" |
| |
| namespace blink { |
| |
| UScriptCode scriptNameToCode(const String& scriptName) |
| { |
| struct ScriptNameCode { |
| const char* name; |
| UScriptCode code; |
| }; |
| |
| // This generally maps an ISO 15924 script code to its UScriptCode, but certain families of script codes are |
| // treated as a single script for assigning a per-script font in Settings. For example, "hira" is mapped to |
| // USCRIPT_KATAKANA_OR_HIRAGANA instead of USCRIPT_HIRAGANA, since we want all Japanese scripts to be rendered |
| // using the same font setting. |
| static const ScriptNameCode scriptNameCodeList[] = { |
| { "zyyy", USCRIPT_COMMON }, |
| { "qaai", USCRIPT_INHERITED }, |
| { "arab", USCRIPT_ARABIC }, |
| { "armn", USCRIPT_ARMENIAN }, |
| { "beng", USCRIPT_BENGALI }, |
| { "bopo", USCRIPT_BOPOMOFO }, |
| { "cher", USCRIPT_CHEROKEE }, |
| { "copt", USCRIPT_COPTIC }, |
| { "cyrl", USCRIPT_CYRILLIC }, |
| { "dsrt", USCRIPT_DESERET }, |
| { "deva", USCRIPT_DEVANAGARI }, |
| { "ethi", USCRIPT_ETHIOPIC }, |
| { "geor", USCRIPT_GEORGIAN }, |
| { "goth", USCRIPT_GOTHIC }, |
| { "grek", USCRIPT_GREEK }, |
| { "gujr", USCRIPT_GUJARATI }, |
| { "guru", USCRIPT_GURMUKHI }, |
| { "hani", USCRIPT_HAN }, |
| { "hang", USCRIPT_HANGUL }, |
| { "hebr", USCRIPT_HEBREW }, |
| { "hira", USCRIPT_KATAKANA_OR_HIRAGANA }, |
| { "knda", USCRIPT_KANNADA }, |
| { "kana", USCRIPT_KATAKANA_OR_HIRAGANA }, |
| { "khmr", USCRIPT_KHMER }, |
| { "laoo", USCRIPT_LAO }, |
| { "latn", USCRIPT_LATIN }, |
| { "mlym", USCRIPT_MALAYALAM }, |
| { "mong", USCRIPT_MONGOLIAN }, |
| { "mymr", USCRIPT_MYANMAR }, |
| { "ogam", USCRIPT_OGHAM }, |
| { "ital", USCRIPT_OLD_ITALIC }, |
| { "orya", USCRIPT_ORIYA }, |
| { "runr", USCRIPT_RUNIC }, |
| { "sinh", USCRIPT_SINHALA }, |
| { "syrc", USCRIPT_SYRIAC }, |
| { "taml", USCRIPT_TAMIL }, |
| { "telu", USCRIPT_TELUGU }, |
| { "thaa", USCRIPT_THAANA }, |
| { "thai", USCRIPT_THAI }, |
| { "tibt", USCRIPT_TIBETAN }, |
| { "cans", USCRIPT_CANADIAN_ABORIGINAL }, |
| { "yiii", USCRIPT_YI }, |
| { "tglg", USCRIPT_TAGALOG }, |
| { "hano", USCRIPT_HANUNOO }, |
| { "buhd", USCRIPT_BUHID }, |
| { "tagb", USCRIPT_TAGBANWA }, |
| { "brai", USCRIPT_BRAILLE }, |
| { "cprt", USCRIPT_CYPRIOT }, |
| { "limb", USCRIPT_LIMBU }, |
| { "linb", USCRIPT_LINEAR_B }, |
| { "osma", USCRIPT_OSMANYA }, |
| { "shaw", USCRIPT_SHAVIAN }, |
| { "tale", USCRIPT_TAI_LE }, |
| { "ugar", USCRIPT_UGARITIC }, |
| { "hrkt", USCRIPT_KATAKANA_OR_HIRAGANA }, |
| { "bugi", USCRIPT_BUGINESE }, |
| { "glag", USCRIPT_GLAGOLITIC }, |
| { "khar", USCRIPT_KHAROSHTHI }, |
| { "sylo", USCRIPT_SYLOTI_NAGRI }, |
| { "talu", USCRIPT_NEW_TAI_LUE }, |
| { "tfng", USCRIPT_TIFINAGH }, |
| { "xpeo", USCRIPT_OLD_PERSIAN }, |
| { "bali", USCRIPT_BALINESE }, |
| { "batk", USCRIPT_BATAK }, |
| { "blis", USCRIPT_BLISSYMBOLS }, |
| { "brah", USCRIPT_BRAHMI }, |
| { "cham", USCRIPT_CHAM }, |
| { "cirt", USCRIPT_CIRTH }, |
| { "cyrs", USCRIPT_OLD_CHURCH_SLAVONIC_CYRILLIC }, |
| { "egyd", USCRIPT_DEMOTIC_EGYPTIAN }, |
| { "egyh", USCRIPT_HIERATIC_EGYPTIAN }, |
| { "egyp", USCRIPT_EGYPTIAN_HIEROGLYPHS }, |
| { "geok", USCRIPT_KHUTSURI }, |
| { "hans", USCRIPT_SIMPLIFIED_HAN }, |
| { "hant", USCRIPT_TRADITIONAL_HAN }, |
| { "hmng", USCRIPT_PAHAWH_HMONG }, |
| { "hung", USCRIPT_OLD_HUNGARIAN }, |
| { "inds", USCRIPT_HARAPPAN_INDUS }, |
| { "java", USCRIPT_JAVANESE }, |
| { "kali", USCRIPT_KAYAH_LI }, |
| { "latf", USCRIPT_LATIN_FRAKTUR }, |
| { "latg", USCRIPT_LATIN_GAELIC }, |
| { "lepc", USCRIPT_LEPCHA }, |
| { "lina", USCRIPT_LINEAR_A }, |
| { "mand", USCRIPT_MANDAEAN }, |
| { "maya", USCRIPT_MAYAN_HIEROGLYPHS }, |
| { "mero", USCRIPT_MEROITIC }, |
| { "nkoo", USCRIPT_NKO }, |
| { "orkh", USCRIPT_ORKHON }, |
| { "perm", USCRIPT_OLD_PERMIC }, |
| { "phag", USCRIPT_PHAGS_PA }, |
| { "phnx", USCRIPT_PHOENICIAN }, |
| { "plrd", USCRIPT_PHONETIC_POLLARD }, |
| { "roro", USCRIPT_RONGORONGO }, |
| { "sara", USCRIPT_SARATI }, |
| { "syre", USCRIPT_ESTRANGELO_SYRIAC }, |
| { "syrj", USCRIPT_WESTERN_SYRIAC }, |
| { "syrn", USCRIPT_EASTERN_SYRIAC }, |
| { "teng", USCRIPT_TENGWAR }, |
| { "vaii", USCRIPT_VAI }, |
| { "visp", USCRIPT_VISIBLE_SPEECH }, |
| { "xsux", USCRIPT_CUNEIFORM }, |
| { "jpan", USCRIPT_KATAKANA_OR_HIRAGANA }, |
| { "kore", USCRIPT_HANGUL }, |
| { "zxxx", USCRIPT_UNWRITTEN_LANGUAGES }, |
| { "zzzz", USCRIPT_UNKNOWN } |
| }; |
| |
| typedef HashMap<String, UScriptCode> ScriptNameCodeMap; |
| DEFINE_STATIC_LOCAL(ScriptNameCodeMap, scriptNameCodeMap, ()); |
| if (scriptNameCodeMap.isEmpty()) { |
| for (size_t i = 0; i < sizeof(scriptNameCodeList) / sizeof(scriptNameCodeList[0]); ++i) |
| scriptNameCodeMap.set(scriptNameCodeList[i].name, scriptNameCodeList[i].code); |
| } |
| |
| HashMap<String, UScriptCode>::iterator it = scriptNameCodeMap.find(scriptName.lower()); |
| if (it != scriptNameCodeMap.end()) |
| return it->value; |
| return USCRIPT_INVALID_CODE; |
| } |
| |
| UScriptCode localeToScriptCodeForFontSelection(const String& locale) |
| { |
| struct LocaleScript { |
| const char* locale; |
| UScriptCode script; |
| }; |
| |
| static const LocaleScript localeScriptList[] = { |
| { "aa", USCRIPT_LATIN }, |
| { "ab", USCRIPT_CYRILLIC }, |
| { "ady", USCRIPT_CYRILLIC }, |
| { "af", USCRIPT_LATIN }, |
| { "ak", USCRIPT_LATIN }, |
| { "am", USCRIPT_ETHIOPIC }, |
| { "ar", USCRIPT_ARABIC }, |
| { "as", USCRIPT_BENGALI }, |
| { "ast", USCRIPT_LATIN }, |
| { "av", USCRIPT_CYRILLIC }, |
| { "ay", USCRIPT_LATIN }, |
| { "az", USCRIPT_LATIN }, |
| { "ba", USCRIPT_CYRILLIC }, |
| { "be", USCRIPT_CYRILLIC }, |
| { "bg", USCRIPT_CYRILLIC }, |
| { "bi", USCRIPT_LATIN }, |
| { "bn", USCRIPT_BENGALI }, |
| { "bo", USCRIPT_TIBETAN }, |
| { "bs", USCRIPT_LATIN }, |
| { "ca", USCRIPT_LATIN }, |
| { "ce", USCRIPT_CYRILLIC }, |
| { "ceb", USCRIPT_LATIN }, |
| { "ch", USCRIPT_LATIN }, |
| { "chk", USCRIPT_LATIN }, |
| { "cs", USCRIPT_LATIN }, |
| { "cy", USCRIPT_LATIN }, |
| { "da", USCRIPT_LATIN }, |
| { "de", USCRIPT_LATIN }, |
| { "dv", USCRIPT_THAANA }, |
| { "dz", USCRIPT_TIBETAN }, |
| { "ee", USCRIPT_LATIN }, |
| { "efi", USCRIPT_LATIN }, |
| { "el", USCRIPT_GREEK }, |
| { "en", USCRIPT_LATIN }, |
| { "es", USCRIPT_LATIN }, |
| { "et", USCRIPT_LATIN }, |
| { "eu", USCRIPT_LATIN }, |
| { "fa", USCRIPT_ARABIC }, |
| { "fi", USCRIPT_LATIN }, |
| { "fil", USCRIPT_LATIN }, |
| { "fj", USCRIPT_LATIN }, |
| { "fo", USCRIPT_LATIN }, |
| { "fr", USCRIPT_LATIN }, |
| { "fur", USCRIPT_LATIN }, |
| { "fy", USCRIPT_LATIN }, |
| { "ga", USCRIPT_LATIN }, |
| { "gaa", USCRIPT_LATIN }, |
| { "gd", USCRIPT_LATIN }, |
| { "gil", USCRIPT_LATIN }, |
| { "gl", USCRIPT_LATIN }, |
| { "gn", USCRIPT_LATIN }, |
| { "gsw", USCRIPT_LATIN }, |
| { "gu", USCRIPT_GUJARATI }, |
| { "ha", USCRIPT_LATIN }, |
| { "haw", USCRIPT_LATIN }, |
| { "he", USCRIPT_HEBREW }, |
| { "hi", USCRIPT_DEVANAGARI }, |
| { "hil", USCRIPT_LATIN }, |
| { "ho", USCRIPT_LATIN }, |
| { "hr", USCRIPT_LATIN }, |
| { "ht", USCRIPT_LATIN }, |
| { "hu", USCRIPT_LATIN }, |
| { "hy", USCRIPT_ARMENIAN }, |
| { "id", USCRIPT_LATIN }, |
| { "ig", USCRIPT_LATIN }, |
| { "ii", USCRIPT_YI }, |
| { "ilo", USCRIPT_LATIN }, |
| { "inh", USCRIPT_CYRILLIC }, |
| { "is", USCRIPT_LATIN }, |
| { "it", USCRIPT_LATIN }, |
| { "iu", USCRIPT_CANADIAN_ABORIGINAL }, |
| { "ja", USCRIPT_KATAKANA_OR_HIRAGANA }, |
| { "jv", USCRIPT_LATIN }, |
| { "ka", USCRIPT_GEORGIAN }, |
| { "kaj", USCRIPT_LATIN }, |
| { "kam", USCRIPT_LATIN }, |
| { "kbd", USCRIPT_CYRILLIC }, |
| { "kha", USCRIPT_LATIN }, |
| { "kk", USCRIPT_CYRILLIC }, |
| { "kl", USCRIPT_LATIN }, |
| { "km", USCRIPT_KHMER }, |
| { "kn", USCRIPT_KANNADA }, |
| { "ko", USCRIPT_HANGUL }, |
| { "kok", USCRIPT_DEVANAGARI }, |
| { "kos", USCRIPT_LATIN }, |
| { "kpe", USCRIPT_LATIN }, |
| { "krc", USCRIPT_CYRILLIC }, |
| { "ks", USCRIPT_ARABIC }, |
| { "ku", USCRIPT_ARABIC }, |
| { "kum", USCRIPT_CYRILLIC }, |
| { "ky", USCRIPT_CYRILLIC }, |
| { "la", USCRIPT_LATIN }, |
| { "lah", USCRIPT_ARABIC }, |
| { "lb", USCRIPT_LATIN }, |
| { "lez", USCRIPT_CYRILLIC }, |
| { "ln", USCRIPT_LATIN }, |
| { "lo", USCRIPT_LAO }, |
| { "lt", USCRIPT_LATIN }, |
| { "lv", USCRIPT_LATIN }, |
| { "mai", USCRIPT_DEVANAGARI }, |
| { "mdf", USCRIPT_CYRILLIC }, |
| { "mg", USCRIPT_LATIN }, |
| { "mh", USCRIPT_LATIN }, |
| { "mi", USCRIPT_LATIN }, |
| { "mk", USCRIPT_CYRILLIC }, |
| { "ml", USCRIPT_MALAYALAM }, |
| { "mn", USCRIPT_CYRILLIC }, |
| { "mr", USCRIPT_DEVANAGARI }, |
| { "ms", USCRIPT_LATIN }, |
| { "mt", USCRIPT_LATIN }, |
| { "my", USCRIPT_MYANMAR }, |
| { "myv", USCRIPT_CYRILLIC }, |
| { "na", USCRIPT_LATIN }, |
| { "nb", USCRIPT_LATIN }, |
| { "ne", USCRIPT_DEVANAGARI }, |
| { "niu", USCRIPT_LATIN }, |
| { "nl", USCRIPT_LATIN }, |
| { "nn", USCRIPT_LATIN }, |
| { "nr", USCRIPT_LATIN }, |
| { "nso", USCRIPT_LATIN }, |
| { "ny", USCRIPT_LATIN }, |
| { "oc", USCRIPT_LATIN }, |
| { "om", USCRIPT_LATIN }, |
| { "or", USCRIPT_ORIYA }, |
| { "os", USCRIPT_CYRILLIC }, |
| { "pa", USCRIPT_GURMUKHI }, |
| { "pag", USCRIPT_LATIN }, |
| { "pap", USCRIPT_LATIN }, |
| { "pau", USCRIPT_LATIN }, |
| { "pl", USCRIPT_LATIN }, |
| { "pon", USCRIPT_LATIN }, |
| { "ps", USCRIPT_ARABIC }, |
| { "pt", USCRIPT_LATIN }, |
| { "qu", USCRIPT_LATIN }, |
| { "rm", USCRIPT_LATIN }, |
| { "rn", USCRIPT_LATIN }, |
| { "ro", USCRIPT_LATIN }, |
| { "ru", USCRIPT_CYRILLIC }, |
| { "rw", USCRIPT_LATIN }, |
| { "sa", USCRIPT_DEVANAGARI }, |
| { "sah", USCRIPT_CYRILLIC }, |
| { "sat", USCRIPT_LATIN }, |
| { "sd", USCRIPT_ARABIC }, |
| { "se", USCRIPT_LATIN }, |
| { "sg", USCRIPT_LATIN }, |
| { "si", USCRIPT_SINHALA }, |
| { "sid", USCRIPT_LATIN }, |
| { "sk", USCRIPT_LATIN }, |
| { "sl", USCRIPT_LATIN }, |
| { "sm", USCRIPT_LATIN }, |
| { "so", USCRIPT_LATIN }, |
| { "sq", USCRIPT_LATIN }, |
| { "sr", USCRIPT_CYRILLIC }, |
| { "ss", USCRIPT_LATIN }, |
| { "st", USCRIPT_LATIN }, |
| { "su", USCRIPT_LATIN }, |
| { "sv", USCRIPT_LATIN }, |
| { "sw", USCRIPT_LATIN }, |
| { "ta", USCRIPT_TAMIL }, |
| { "te", USCRIPT_TELUGU }, |
| { "tet", USCRIPT_LATIN }, |
| { "tg", USCRIPT_CYRILLIC }, |
| { "th", USCRIPT_THAI }, |
| { "ti", USCRIPT_ETHIOPIC }, |
| { "tig", USCRIPT_ETHIOPIC }, |
| { "tk", USCRIPT_LATIN }, |
| { "tkl", USCRIPT_LATIN }, |
| { "tl", USCRIPT_LATIN }, |
| { "tn", USCRIPT_LATIN }, |
| { "to", USCRIPT_LATIN }, |
| { "tpi", USCRIPT_LATIN }, |
| { "tr", USCRIPT_LATIN }, |
| { "trv", USCRIPT_LATIN }, |
| { "ts", USCRIPT_LATIN }, |
| { "tt", USCRIPT_CYRILLIC }, |
| { "tvl", USCRIPT_LATIN }, |
| { "tw", USCRIPT_LATIN }, |
| { "ty", USCRIPT_LATIN }, |
| { "tyv", USCRIPT_CYRILLIC }, |
| { "udm", USCRIPT_CYRILLIC }, |
| { "ug", USCRIPT_ARABIC }, |
| { "uk", USCRIPT_CYRILLIC }, |
| { "und", USCRIPT_LATIN }, |
| { "ur", USCRIPT_ARABIC }, |
| { "uz", USCRIPT_CYRILLIC }, |
| { "ve", USCRIPT_LATIN }, |
| { "vi", USCRIPT_LATIN }, |
| { "wal", USCRIPT_ETHIOPIC }, |
| { "war", USCRIPT_LATIN }, |
| { "wo", USCRIPT_LATIN }, |
| { "xh", USCRIPT_LATIN }, |
| { "yap", USCRIPT_LATIN }, |
| { "yo", USCRIPT_LATIN }, |
| { "za", USCRIPT_LATIN }, |
| { "zh", USCRIPT_SIMPLIFIED_HAN }, |
| { "zh_hk", USCRIPT_TRADITIONAL_HAN }, |
| { "zh_tw", USCRIPT_TRADITIONAL_HAN }, |
| { "zu", USCRIPT_LATIN } |
| }; |
| |
| typedef HashMap<String, UScriptCode> LocaleScriptMap; |
| DEFINE_STATIC_LOCAL(LocaleScriptMap, localeScriptMap, ()); |
| if (localeScriptMap.isEmpty()) { |
| for (size_t i = 0; i < sizeof(localeScriptList) / sizeof(localeScriptList[0]); ++i) |
| localeScriptMap.set(localeScriptList[i].locale, localeScriptList[i].script); |
| } |
| |
| String canonicalLocale = locale.lower().replace('-', '_'); |
| while (!canonicalLocale.isEmpty()) { |
| HashMap<String, UScriptCode>::iterator it = localeScriptMap.find(canonicalLocale); |
| if (it != localeScriptMap.end()) |
| return it->value; |
| size_t pos = canonicalLocale.reverseFind('_'); |
| if (pos == kNotFound) |
| break; |
| UScriptCode code = scriptNameToCode(canonicalLocale.substring(pos + 1)); |
| if (code != USCRIPT_INVALID_CODE && code != USCRIPT_UNKNOWN) |
| return code; |
| canonicalLocale = canonicalLocale.substring(0, pos); |
| } |
| return USCRIPT_COMMON; |
| } |
| |
| } // namespace blink |
