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// Copyright (c) 2009 The Chromium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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|
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#include "languages/public/languages.h" |
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|
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#include "base/string_util.h" |
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#include "encodings/compact_lang_det/win/cld_basictypes.h" |
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|
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Language default_language() {return ENGLISH;} |
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|
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|
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// Language names and codes |
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|
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struct LanguageInfo { |
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const char * language_name_; |
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const char * language_code_639_1_; // the ISO-639-1 code for the language |
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const char * language_code_639_2_; // the ISO-639-2 code for the language |
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const char * language_code_other_; // some nonstandard code for the language |
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}; |
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|
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static const LanguageInfo kLanguageInfoTable[] = { |
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{ "ENGLISH", "en", "eng", NULL}, |
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{ "DANISH", "da", "dan", NULL}, |
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{ "DUTCH", "nl", "dut", NULL}, |
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{ "FINNISH", "fi", "fin", NULL}, |
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{ "FRENCH", "fr", "fre", NULL}, |
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{ "GERMAN", "de", "ger", NULL}, |
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{ "HEBREW", "he", "heb", NULL}, |
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{ "ITALIAN", "it", "ita", NULL}, |
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{ "Japanese", "ja", "jpn", NULL}, |
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{ "Korean", "ko", "kor", NULL}, |
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{ "NORWEGIAN", "nb", "nor", NULL}, |
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{ "POLISH", "pl", "pol", NULL}, |
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{ "PORTUGUESE", "pt", "por", NULL}, |
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{ "RUSSIAN", "ru", "rus", NULL}, |
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{ "SPANISH", "es", "spa", NULL}, |
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{ "SWEDISH", "sv", "swe", NULL}, |
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{ "Chinese", "zh", "chi", "zh-CN"}, |
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{ "CZECH", "cs", "cze", NULL}, |
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{ "GREEK", "el", "gre", NULL}, |
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{ "ICELANDIC", "is", "ice", NULL}, |
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{ "LATVIAN", "lv", "lav", NULL}, |
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{ "LITHUANIAN", "lt", "lit", NULL}, |
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{ "ROMANIAN", "ro", "rum", NULL}, |
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{ "HUNGARIAN", "hu", "hun", NULL}, |
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{ "ESTONIAN", "et", "est", NULL}, |
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// TODO: Although Teragram has two output names "TG_UNKNOWN_LANGUAGE" |
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// and "Unknown", they are essentially the same. Need to unify them. |
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// "un" and "ut" are invented by us, not from ISO-639. |
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// |
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{ "TG_UNKNOWN_LANGUAGE", NULL, NULL, "ut"}, |
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{ "Unknown", NULL, NULL, "un"}, |
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{ "BULGARIAN", "bg", "bul", NULL}, |
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{ "CROATIAN", "hr", "scr", NULL}, |
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{ "SERBIAN", "sr", "scc", NULL}, |
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{ "IRISH", "ga", "gle", NULL}, |
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{ "GALICIAN", "gl", "glg", NULL}, |
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// Impossible to tell Tagalog from Filipino at the moment. |
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// Use ISO 639-2 code for Filipino here. |
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{ "TAGALOG", NULL, "fil", NULL}, |
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{ "TURKISH", "tr", "tur", NULL}, |
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{ "UKRAINIAN", "uk", "ukr", NULL}, |
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{ "HINDI", "hi", "hin", NULL}, |
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{ "MACEDONIAN", "mk", "mac", NULL}, |
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{ "BENGALI", "bn", "ben", NULL}, |
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{ "INDONESIAN", "id", "ind", NULL}, |
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{ "LATIN", "la", "lat", NULL}, |
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{ "MALAY", "ms", "may", NULL}, |
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{ "MALAYALAM", "ml", "mal", NULL}, |
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{ "WELSH", "cy", "wel", NULL}, |
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{ "NEPALI", "ne", "nep", NULL}, |
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{ "TELUGU", "te", "tel", NULL}, |
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{ "ALBANIAN", "sq", "alb", NULL}, |
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{ "TAMIL", "ta", "tam", NULL}, |
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{ "BELARUSIAN", "be", "bel", NULL}, |
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{ "JAVANESE", "jw", "jav", NULL}, |
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{ "OCCITAN", "oc", "oci", NULL}, |
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{ "URDU", "ur", "urd", NULL}, |
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{ "BIHARI", "bh", "bih", NULL}, |
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{ "GUJARATI", "gu", "guj", NULL}, |
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{ "THAI", "th", "tha", NULL}, |
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{ "ARABIC", "ar", "ara", NULL}, |
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{ "CATALAN", "ca", "cat", NULL}, |
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{ "ESPERANTO", "eo", "epo", NULL}, |
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{ "BASQUE", "eu", "baq", NULL}, |
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{ "INTERLINGUA", "ia", "ina", NULL}, |
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{ "KANNADA", "kn", "kan", NULL}, |
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{ "PUNJABI", "pa", "pan", NULL}, |
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{ "SCOTS_GAELIC", "gd", "gla", NULL}, |
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{ "SWAHILI", "sw", "swa", NULL}, |
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{ "SLOVENIAN", "sl", "slv", NULL}, |
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{ "MARATHI", "mr", "mar", NULL}, |
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{ "MALTESE", "mt", "mlt", NULL}, |
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{ "VIETNAMESE", "vi", "vie", NULL}, |
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{ "FRISIAN", "fy", "fry", NULL}, |
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{ "SLOVAK", "sk", "slo", NULL}, |
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{ "ChineseT", |
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NULL, NULL, // We intentionally set these 2 fields to NULL to avoid |
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// confusion between CHINESE_T and CHINESE. |
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"zh-TW"}, |
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{ "FAROESE", "fo", "fao", NULL}, |
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{ "SUNDANESE", "su", "sun", NULL}, |
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{ "UZBEK", "uz", "uzb", NULL}, |
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{ "AMHARIC", "am", "amh", NULL}, |
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{ "AZERBAIJANI", "az", "aze", NULL}, |
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{ "GEORGIAN", "ka", "geo", NULL}, |
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{ "TIGRINYA", "ti", "tir", NULL}, |
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{ "PERSIAN", "fa", "per", NULL}, |
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{ "BOSNIAN", "bs", "bos", NULL}, |
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{ "SINHALESE", "si", "sin", NULL}, |
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{ "NORWEGIAN_N", "nn", "nno", NULL}, |
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{ "PORTUGUESE_P", NULL, NULL, "pt-PT"}, |
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{ "PORTUGUESE_B", NULL, NULL, "pt-BR"}, |
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{ "XHOSA", "xh", "xho", NULL}, |
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{ "ZULU", "zu", "zul", NULL}, |
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{ "GUARANI", "gn", "grn", NULL}, |
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{ "SESOTHO", "st", "sot", NULL}, |
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{ "TURKMEN", "tk", "tuk", NULL}, |
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{ "KYRGYZ", "ky", "kir", NULL}, |
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{ "BRETON", "br", "bre", NULL}, |
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{ "TWI", "tw", "twi", NULL}, |
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{ "YIDDISH", "yi", "yid", NULL}, |
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{ "SERBO_CROATIAN", "sh", NULL, NULL}, |
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{ "SOMALI", "so", "som", NULL}, |
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{ "UIGHUR", "ug", "uig", NULL}, |
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{ "KURDISH", "ku", "kur", NULL}, |
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{ "MONGOLIAN", "mn", "mon", NULL}, |
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{ "ARMENIAN", "hy", "arm", NULL}, |
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{ "LAOTHIAN", "lo", "lao", NULL}, |
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{ "SINDHI", "sd", "snd", NULL}, |
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{ "RHAETO_ROMANCE", "rm", "roh", NULL}, |
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{ "AFRIKAANS", "af", "afr", NULL}, |
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{ "LUXEMBOURGISH", "lb", "ltz", NULL}, |
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{ "BURMESE", "my", "bur", NULL}, |
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// KHMER is known as Cambodian for Google user interfaces. |
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{ "KHMER", "km", "khm", NULL}, |
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{ "TIBETAN", "bo", "tib", NULL}, |
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{ "DHIVEHI", "dv", "div", NULL}, |
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{ "CHEROKEE", NULL, "chr", NULL}, |
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{ "SYRIAC", NULL, "syr", NULL}, |
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{ "LIMBU", NULL, NULL, "sit-NP"}, |
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{ "ORIYA", "or", "ori", NULL}, |
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{ "ASSAMESE", "as", "asm", NULL}, |
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{ "CORSICAN", "co", "cos", NULL}, |
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{ "INTERLINGUE", "ie", "ine", NULL}, |
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{ "KAZAKH", "kk", "kaz", NULL}, |
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{ "LINGALA", "ln", "lin", NULL}, |
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{ "MOLDAVIAN", "mo", "mol", NULL}, |
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{ "PASHTO", "ps", "pus", NULL}, |
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{ "QUECHUA", "qu", "que", NULL}, |
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{ "SHONA", "sn", "sna", NULL}, |
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{ "TAJIK", "tg", "tgk", NULL}, |
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{ "TATAR", "tt", "tat", NULL}, |
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{ "TONGA", "to", "tog", NULL}, |
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{ "YORUBA", "yo", "yor", NULL}, |
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{ "CREOLES_AND_PIDGINS_ENGLISH_BASED", NULL, "cpe", NULL}, |
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{ "CREOLES_AND_PIDGINS_FRENCH_BASED", NULL, "cpf", NULL}, |
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{ "CREOLES_AND_PIDGINS_PORTUGUESE_BASED", NULL, "cpp", NULL}, |
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{ "CREOLES_AND_PIDGINS_OTHER", NULL, "crp", NULL}, |
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{ "MAORI", "mi", "mao", NULL}, |
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{ "WOLOF", "wo", "wol", NULL}, |
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{ "ABKHAZIAN", "ab", "abk", NULL}, |
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{ "AFAR", "aa", "aar", NULL}, |
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{ "AYMARA", "ay", "aym", NULL}, |
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{ "BASHKIR", "ba", "bak", NULL}, |
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{ "BISLAMA", "bi", "bis", NULL}, |
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{ "DZONGKHA", "dz", "dzo", NULL}, |
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{ "FIJIAN", "fj", "fij", NULL}, |
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{ "GREENLANDIC", "kl", "kal", NULL}, |
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{ "HAUSA", "ha", "hau", NULL}, |
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{ "HAITIAN_CREOLE", "ht", NULL, NULL}, |
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{ "INUPIAK", "ik", "ipk", NULL}, |
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{ "INUKTITUT", "iu", "iku", NULL}, |
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{ "KASHMIRI", "ks", "kas", NULL}, |
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{ "KINYARWANDA", "rw", "kin", NULL}, |
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{ "MALAGASY", "mg", "mlg", NULL}, |
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{ "NAURU", "na", "nau", NULL}, |
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{ "OROMO", "om", "orm", NULL}, |
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{ "RUNDI", "rn", "run", NULL}, |
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{ "SAMOAN", "sm", "smo", NULL}, |
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{ "SANGO", "sg", "sag", NULL}, |
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{ "SANSKRIT", "sa", "san", NULL}, |
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{ "SISWANT", "ss", "ssw", NULL}, |
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{ "TSONGA", "ts", "tso", NULL}, |
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{ "TSWANA", "tn", "tsn", NULL}, |
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{ "VOLAPUK", "vo", "vol", NULL}, |
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{ "ZHUANG", "za", "zha", NULL}, |
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{ "KHASI", NULL, "kha", NULL}, |
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{ "SCOTS", NULL, "sco", NULL}, |
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{ "GANDA", "lg", "lug", NULL}, |
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{ "MANX", "gv", "glv", NULL}, |
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{ "MONTENEGRIN", NULL, NULL, "sr-ME"}, |
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{ "XX", NULL, NULL, "XX"}, |
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}; |
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|
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COMPILE_ASSERT(arraysize(kLanguageInfoTable) == NUM_LANGUAGES + 1, |
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kLanguageInfoTable_has_incorrect_length); |
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|
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|
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// LANGUAGE NAMES |
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|
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const char* default_language_name() { |
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return kLanguageInfoTable[ENGLISH].language_name_; |
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} |
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static const char* const kInvalidLanguageName = "invalid_language"; |
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|
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const char *invalid_language_name() { |
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return kInvalidLanguageName; |
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} |
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|
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const char* LanguageName(Language lang) { |
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return IsValidLanguage(lang) |
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? kLanguageInfoTable[lang].language_name_ |
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: kInvalidLanguageName; |
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} |
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|
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|
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|
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// LANGUAGE CODES |
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|
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|
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// The space before invalid_language_code is intentional. It is used |
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// to prevent it matching any two letter language code. |
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// |
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static const char* const kInvalidLanguageCode = " invalid_language_code"; |
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|
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const char *invalid_language_code() { |
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return kInvalidLanguageCode; |
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} |
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|
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const char * LanguageCode(Language lang) { |
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if (! IsValidLanguage(lang)) |
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return kInvalidLanguageCode; |
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const LanguageInfo& info = kLanguageInfoTable[lang]; |
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if (info.language_code_639_1_) { |
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return info.language_code_639_1_; |
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} else if (info.language_code_639_2_) { |
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return info.language_code_639_2_; |
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} else if (info.language_code_other_) { |
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return info.language_code_other_; |
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} else { |
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return kInvalidLanguageCode; |
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} |
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} |
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|
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const char* default_language_code() { |
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return kLanguageInfoTable[ENGLISH].language_code_639_1_; |
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} |
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|
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const char* LanguageCodeISO639_1(Language lang) { |
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if (! IsValidLanguage(lang)) |
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return kInvalidLanguageCode; |
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if (const char* code = kLanguageInfoTable[lang].language_code_639_1_) |
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return code; |
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return kInvalidLanguageCode; |
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} |
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|
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const char* LanguageCodeISO639_2(Language lang) { |
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if (! IsValidLanguage(lang)) |
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return kInvalidLanguageCode; |
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if (const char* code = kLanguageInfoTable[lang].language_code_639_2_) |
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return code; |
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return kInvalidLanguageCode; |
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} |
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|
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const char* LanguageCodeWithDialects(Language lang) { |
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if (lang == CHINESE) |
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return "zh-CN"; |
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return LanguageCode(lang); |
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} |
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|
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|
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|
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bool LanguageFromCode(const char* lang_code, Language *language) { |
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*language = UNKNOWN_LANGUAGE; |
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if ( lang_code == NULL ) return false; |
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|
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for ( int i = 0 ; i < kNumLanguages ; i++ ) { |
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const LanguageInfo& info = kLanguageInfoTable[i]; |
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if ((info.language_code_639_1_ && |
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!base::strcasecmp(lang_code, info.language_code_639_1_)) || |
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(info.language_code_639_2_ && |
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!base::strcasecmp(lang_code, info.language_code_639_2_)) || |
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(info.language_code_other_ && |
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!base::strcasecmp(lang_code, info.language_code_other_))) { |
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*language = static_cast<Language>(i); |
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return true; |
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} |
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} |
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|
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// For convenience, this function can also parse the non-standard |
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// five-letter language codes "zh-cn" and "zh-tw" which are used by |
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// front-ends such as GWS to distinguish Simplified from Traditional |
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// Chinese. |
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if (!base::strcasecmp(lang_code, "zh-cn") || |
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!base::strcasecmp(lang_code, "zh_cn")) { |
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*language = CHINESE; |
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return true; |
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} |
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if (!base::strcasecmp(lang_code, "zh-tw") || |
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!base::strcasecmp(lang_code, "zh_tw")) { |
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*language = CHINESE_T; |
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return true; |
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} |
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if (!base::strcasecmp(lang_code, "sr-me") || |
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!base::strcasecmp(lang_code, "sr_me")) { |
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*language = MONTENEGRIN; |
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return true; |
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} |
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|
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// Process language-code synonyms. |
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if (!base::strcasecmp(lang_code, "he")) { |
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*language = HEBREW; // Use "iw". |
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return true; |
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} |
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if (!base::strcasecmp(lang_code, "in")) { |
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*language = INDONESIAN; // Use "id". |
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return true; |
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} |
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if (!base::strcasecmp(lang_code, "ji")) { |
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*language = YIDDISH; // Use "yi". |
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return true; |
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} |
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|
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// Process language-detection synonyms. |
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// These distinct languages cannot be differentiated by our current |
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// language-detection algorithms. |
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if (!base::strcasecmp(lang_code, "fil")) { |
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*language = TAGALOG; |
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return true; |
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} |
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|
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return false; |
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} |
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