LibUnicode: Parse Unicode CLDR languages and generate locale mappings

This commit is contained in:
Timothy Flynn 2021-08-26 08:17:01 -04:00 committed by Linus Groh
parent 6719e5cb17
commit ab7a1dd89e
Notes: sideshowbarker 2024-07-18 05:14:00 +09:00
3 changed files with 39 additions and 0 deletions

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@ -24,6 +24,7 @@ struct Locale {
String language;
Optional<String> territory;
Optional<String> variant;
HashMap<String, String> languages;
HashMap<String, String> territories;
};
@ -82,6 +83,28 @@ static void parse_identity(String locale_path, UnicodeLocaleData& locale_data, L
}
}
static void parse_locale_languages(String locale_path, Locale& locale)
{
LexicalPath languages_path(move(locale_path));
languages_path = languages_path.append("languages.json"sv);
VERIFY(Core::File::exists(languages_path.string()));
auto languages_file_or_error = Core::File::open(languages_path.string(), Core::OpenMode::ReadOnly);
VERIFY(!languages_file_or_error.is_error());
auto languages = JsonParser(languages_file_or_error.value()->read_all()).parse();
VERIFY(languages.has_value());
auto const& main_object = languages->as_object().get("main"sv);
auto const& locale_object = main_object.as_object().get(languages_path.parent().basename());
auto const& locale_display_names_object = locale_object.as_object().get("localeDisplayNames"sv);
auto const& languages_object = locale_display_names_object.as_object().get("languages"sv);
languages_object.as_object().for_each_member([&](auto const& key, JsonValue const& value) {
locale.languages.set(key, value.as_string());
});
}
static void parse_locale_territories(String locale_path, Locale& locale)
{
LexicalPath territories_path(move(locale_path));
@ -122,6 +145,7 @@ static void parse_all_locales(String locale_names_path, UnicodeLocaleData& local
auto& locale = locale_data.locales.ensure(LexicalPath::basename(locale_path));
parse_identity(locale_path, locale_data, locale);
parse_locale_languages(locale_path, locale);
parse_locale_territories(locale_path, locale);
}
}
@ -187,6 +211,8 @@ namespace Unicode {
namespace Detail {
Optional<Locale> locale_from_string(StringView const& locale);
Optional<StringView> get_locale_language_mapping(StringView locale, StringView language);
Optional<Language> language_from_string(StringView const& language);
Optional<StringView> get_locale_territory_mapping(StringView locale, StringView territory);
@ -292,6 +318,7 @@ static constexpr Array<Span<StringView const>, @size@> @name@ { {
)~~~");
};
append_mapping("s_languages"sv, "s_languages_{}", locale_data.languages, [](auto const& value) { return value.languages; });
append_mapping("s_territories"sv, "s_territories_{}", locale_data.territories, [](auto const& value) { return value.territories; });
generator.append(R"~~~(
@ -354,6 +381,8 @@ Optional<@enum_title@> @enum_snake@_from_string(StringView const& @enum_snake@)
};
append_from_string("Locale"sv, "locale"sv, locale_data.locales.keys());
append_mapping_search("Language"sv, "language"sv, "s_languages"sv);
append_from_string("Language"sv, "language"sv, locale_data.languages);
append_mapping_search("Territory"sv, "territory"sv, "s_territories"sv);

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@ -168,6 +168,15 @@ bool is_locale_available([[maybe_unused]] StringView locale)
#endif
}
Optional<StringView> get_locale_language_mapping([[maybe_unused]] StringView locale, [[maybe_unused]] StringView language)
{
#if ENABLE_UNICODE_DATA
return Detail::get_locale_language_mapping(locale, language);
#else
return {};
#endif
}
Optional<StringView> get_locale_territory_mapping([[maybe_unused]] StringView locale, [[maybe_unused]] StringView territory)
{
#if ENABLE_UNICODE_DATA

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@ -40,6 +40,7 @@ Optional<String> canonicalize_unicode_locale_id(LocaleID&);
String const& default_locale();
bool is_locale_available(StringView locale);
Optional<StringView> get_locale_language_mapping(StringView locale, StringView language);
Optional<StringView> get_locale_territory_mapping(StringView locale, StringView territory);
}