// Copyright 2026 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "ui/base/l10n/chromium_language_matcher.h" #include #include #include "base/containers/fixed_flat_set.h" #include "base/i18n/language_tag.h" #include "base/i18n/language_tag_matcher.h" #include "base/no_destructor.h" #include "ui/base/buildflags.h" namespace ui_l10n { namespace { using ::base::i18n::GetKnownLanguageTag; using ::base::i18n::LanguageTag; using ::base::i18n::LanguageTagMatcher; constexpr auto kPlatformLocales = std::to_array({ #define PLATFORM_LOCALE(locale) GetKnownLanguageTag(#locale), // The below is generated by tools/l10n/generate_locales_list.py, which is // run in the //ui/base:locales_list_gen build rule. #include "ui/base/l10n/l10n_util_locales_list.inc" #undef PLATFORM_LOCALE }); constexpr auto kAcceptLanguageList = std::to_array({ GetKnownLanguageTag("af"), // Afrikaans GetKnownLanguageTag("ak"), // Twi GetKnownLanguageTag("am"), // Amharic GetKnownLanguageTag("an"), // Aragonese GetKnownLanguageTag("ar"), // Arabic #if BUILDFLAG(ENABLE_PSEUDOLOCALES) GetKnownLanguageTag("ar-XB"), // RTL Pseudolocale #endif // BUILDFLAG(ENABLE_PSEUDOLOCALES) GetKnownLanguageTag("as"), // Assamese GetKnownLanguageTag("ast"), // Asturian GetKnownLanguageTag("ay"), // Aymara GetKnownLanguageTag("az"), // Azerbaijani GetKnownLanguageTag("be"), // Belarusian GetKnownLanguageTag("bg"), // Bulgarian GetKnownLanguageTag("bho"), // Bhojpuri GetKnownLanguageTag("bm"), // Bambara GetKnownLanguageTag("bn"), // Bengali GetKnownLanguageTag("br"), // Breton GetKnownLanguageTag("bs"), // Bosnian GetKnownLanguageTag("ca"), // Catalan GetKnownLanguageTag("ceb"), // Cebuano GetKnownLanguageTag("chr"), // Cherokee GetKnownLanguageTag("ckb"), // Kurdish (Arabic), Sorani GetKnownLanguageTag("co"), // Corsican GetKnownLanguageTag("cs"), // Czech GetKnownLanguageTag("cy"), // Welsh GetKnownLanguageTag("da"), // Danish GetKnownLanguageTag("de"), // German GetKnownLanguageTag("de-AT"), // German (Austria) GetKnownLanguageTag("de-CH"), // German (Switzerland) GetKnownLanguageTag("de-DE"), // German (Germany) GetKnownLanguageTag("de-LI"), // German (Liechtenstein) GetKnownLanguageTag("doi"), // Dogri GetKnownLanguageTag("dv"), // Dhivehi GetKnownLanguageTag("ee"), // Ewe GetKnownLanguageTag("el"), // Greek GetKnownLanguageTag("en"), // English GetKnownLanguageTag("en-AU"), // English (Australia) GetKnownLanguageTag("en-CA"), // English (Canada) GetKnownLanguageTag("en-GB"), // English (UK) GetKnownLanguageTag("en-GB-oxendict"), // English (UK, OED // spelling) GetKnownLanguageTag("en-IE"), // English (Ireland) GetKnownLanguageTag("en-IN"), // English (India) GetKnownLanguageTag("en-NZ"), // English (New Zealand) GetKnownLanguageTag("en-US"), // English (US) #if BUILDFLAG(ENABLE_PSEUDOLOCALES) GetKnownLanguageTag("en-XA"), // Long strings Pseudolocale #endif // BUILDFLAG(ENABLE_PSEUDOLOCALES) GetKnownLanguageTag("en-ZA"), // English (South Africa) GetKnownLanguageTag("eo"), // Esperanto GetKnownLanguageTag("es"), // Spanish GetKnownLanguageTag("es-419"), // Spanish (Latin America) GetKnownLanguageTag("es-AR"), // Spanish (Argentina) GetKnownLanguageTag("es-CL"), // Spanish (Chile) GetKnownLanguageTag("es-CO"), // Spanish (Colombia) GetKnownLanguageTag("es-CR"), // Spanish (Costa Rica) GetKnownLanguageTag("es-ES"), // Spanish (Spain) GetKnownLanguageTag("es-HN"), // Spanish (Honduras) GetKnownLanguageTag("es-MX"), // Spanish (Mexico) GetKnownLanguageTag("es-PE"), // Spanish (Peru) GetKnownLanguageTag("es-US"), // Spanish (US) GetKnownLanguageTag("es-UY"), // Spanish (Uruguay) GetKnownLanguageTag("es-VE"), // Spanish (Venezuela) GetKnownLanguageTag("et"), // Estonian GetKnownLanguageTag("eu"), // Basque GetKnownLanguageTag("fa"), // Persian GetKnownLanguageTag("fi"), // Finnish GetKnownLanguageTag("fil"), // Filipino GetKnownLanguageTag("fo"), // Faroese GetKnownLanguageTag("fr"), // French GetKnownLanguageTag("fr-CA"), // French (Canada) GetKnownLanguageTag("fr-CH"), // French (Switzerland) GetKnownLanguageTag("fr-FR"), // French (France) GetKnownLanguageTag("fy"), // Frisian GetKnownLanguageTag("ga"), // Irish GetKnownLanguageTag("gd"), // Scots Gaelic GetKnownLanguageTag("gl"), // Galician GetKnownLanguageTag("gn"), // Guarani GetKnownLanguageTag("gu"), // Gujarati GetKnownLanguageTag("ha"), // Hausa GetKnownLanguageTag("haw"), // Hawaiian GetKnownLanguageTag("he"), // Hebrew GetKnownLanguageTag("hi"), // Hindi GetKnownLanguageTag("hmn"), // Hmong GetKnownLanguageTag("hr"), // Croatian GetKnownLanguageTag("ht"), // Haitian Creole GetKnownLanguageTag("hu"), // Hungarian GetKnownLanguageTag("hy"), // Armenian GetKnownLanguageTag("ia"), // Interlingua GetKnownLanguageTag("id"), // Indonesian GetKnownLanguageTag("ig"), // Igbo GetKnownLanguageTag("ilo"), // Ilocano GetKnownLanguageTag("is"), // Icelandic GetKnownLanguageTag("it"), // Italian GetKnownLanguageTag("it-CH"), // Italian (Switzerland) GetKnownLanguageTag("it-IT"), // Italian (Italy) GetKnownLanguageTag("ja"), // Japanese GetKnownLanguageTag("jv"), // Javanese GetKnownLanguageTag("ka"), // Georgian GetKnownLanguageTag("kk"), // Kazakh GetKnownLanguageTag("km"), // Cambodian GetKnownLanguageTag("kn"), // Kannada GetKnownLanguageTag("ko"), // Korean GetKnownLanguageTag("kok"), // Konkani GetKnownLanguageTag("kri"), // Krio GetKnownLanguageTag("ku"), // Kurdish GetKnownLanguageTag("ky"), // Kyrgyz GetKnownLanguageTag("la"), // Latin GetKnownLanguageTag("lb"), // Luxembourgish GetKnownLanguageTag("lg"), // Luganda GetKnownLanguageTag("ln"), // Lingala GetKnownLanguageTag("lo"), // Laothian GetKnownLanguageTag("lt"), // Lithuanian GetKnownLanguageTag("lus"), // Mizo GetKnownLanguageTag("lv"), // Latvian GetKnownLanguageTag("mai"), // Maithili GetKnownLanguageTag("mg"), // Malagasy GetKnownLanguageTag("mi"), // Maori GetKnownLanguageTag("mk"), // Macedonian GetKnownLanguageTag("ml"), // Malayalam GetKnownLanguageTag("mn"), // Mongolian GetKnownLanguageTag("mni-Mtei"), // Manipuri (Meitei Mayek) GetKnownLanguageTag("mr"), // Marathi GetKnownLanguageTag("ms"), // Malay GetKnownLanguageTag("mt"), // Maltese GetKnownLanguageTag("my"), // Burmese GetKnownLanguageTag("nb"), // Norwegian (Bokmal) GetKnownLanguageTag("ne"), // Nepali GetKnownLanguageTag("nl"), // Dutch GetKnownLanguageTag("nn"), // Norwegian (Nynorsk) GetKnownLanguageTag("no"), // Norwegian GetKnownLanguageTag("nso"), // Sepedi GetKnownLanguageTag("ny"), // Nyanja GetKnownLanguageTag("oc"), // Occitan GetKnownLanguageTag("om"), // Oromo GetKnownLanguageTag("or"), // Odia (Oriya) GetKnownLanguageTag("pa"), // Punjabi GetKnownLanguageTag("pl"), // Polish GetKnownLanguageTag("ps"), // Pashto GetKnownLanguageTag("pt"), // Portuguese GetKnownLanguageTag("pt-BR"), // Portuguese (Brazil) GetKnownLanguageTag("pt-PT"), // Portuguese (Portugal) GetKnownLanguageTag("qu"), // Quechua GetKnownLanguageTag("rm"), // Romansh GetKnownLanguageTag("ro"), // Romanian GetKnownLanguageTag("ro-MD"), // Moldavian GetKnownLanguageTag("ru"), // Russian GetKnownLanguageTag("rw"), // Kinyarwanda GetKnownLanguageTag("sa"), // Sanskrit GetKnownLanguageTag("sd"), // Sindhi GetKnownLanguageTag("sh"), // Serbo-Croatian GetKnownLanguageTag("si"), // Sinhalese GetKnownLanguageTag("sk"), // Slovak GetKnownLanguageTag("sl"), // Slovenian GetKnownLanguageTag("sm"), // Samoan GetKnownLanguageTag("sn"), // Shona GetKnownLanguageTag("so"), // Somali GetKnownLanguageTag("sq"), // Albanian GetKnownLanguageTag("sr"), // Serbian GetKnownLanguageTag("st"), // Sesotho GetKnownLanguageTag("su"), // Sundanese GetKnownLanguageTag("sv"), // Swedish GetKnownLanguageTag("sw"), // Swahili GetKnownLanguageTag("ta"), // Tamil GetKnownLanguageTag("te"), // Telugu GetKnownLanguageTag("tg"), // Tajik GetKnownLanguageTag("th"), // Thai GetKnownLanguageTag("ti"), // Tigrinya GetKnownLanguageTag("tk"), // Turkmen GetKnownLanguageTag("tn"), // Tswana GetKnownLanguageTag("to"), // Tonga GetKnownLanguageTag("tr"), // Turkish GetKnownLanguageTag("ts"), // Tsonga GetKnownLanguageTag("tt"), // Tatar GetKnownLanguageTag("ug"), // Uyghur GetKnownLanguageTag("uk"), // Ukrainian GetKnownLanguageTag("ur"), // Urdu GetKnownLanguageTag("uz"), // Uzbek GetKnownLanguageTag("vi"), // Vietnamese GetKnownLanguageTag("wa"), // Walloon GetKnownLanguageTag("wo"), // Wolof GetKnownLanguageTag("xh"), // Xhosa GetKnownLanguageTag("yi"), // Yiddish GetKnownLanguageTag("yo"), // Yoruba GetKnownLanguageTag("zh"), // Chinese GetKnownLanguageTag("zh-CN"), // Chinese (China) GetKnownLanguageTag("zh-HK"), // Chinese (Hong Kong) GetKnownLanguageTag("zh-TW"), // Chinese (Taiwan) GetKnownLanguageTag("zu"), // Zulu }); } // namespace const std::vector& GetAcceptLanguageTags() { static base::NoDestructor> tags([] { std::vector tags; tags.reserve(std::size(kAcceptLanguageList)); for (const LanguageTag& tag : kAcceptLanguageList) { tags.push_back(tag); } return tags; }()); return *tags; } const LanguageTagMatcher& GetAcceptLanguageMatcher() { static base::NoDestructor matcher( LanguageTagMatcher::Create(kAcceptLanguageList)); return *matcher; } base::span GetPlatformLanguageTags() { return base::span(kPlatformLocales); } COMPONENT_EXPORT(UI_BASE) const LanguageTagMatcher& GetPlatformLanguageMatcher() { static base::NoDestructor matcher( LanguageTagMatcher::Create(kPlatformLocales)); return *matcher; } } // namespace ui_l10n