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