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LibUnicode: Parse Unicode CLDR scripts and generate locale mappings

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Timothy Flynn 2021-08-26 08:29:39 -04:00 • committed by Linus Groh
parent ca77a7c573
commit 0f02def3c2
Notes: sideshowbarker 2024-07-18 05:13:52 +09:00
3 changed files with 45 additions and 0 deletions
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35
Userland/Libraries/LibUnicode/CodeGenerators/GenerateUnicodeLocale.cpp
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@ -26,12 +26,14 @@ struct Locale {
Optional<String> variant;
HashMap<String, String> languages;
HashMap<String, String> territories;
HashMap<String, String> scripts;
};
struct UnicodeLocaleData {
HashMap<String, Locale> locales;
Vector<String> languages;
Vector<String> territories;
Vector<String> scripts;
Vector<String> variants;
};
@ -127,6 +129,30 @@ static void parse_locale_territories(String locale_path, Locale& locale)
});
}
static void parse_locale_scripts(String locale_path, UnicodeLocaleData& locale_data, Locale& locale)
{
LexicalPath scripts_path(move(locale_path));
scripts_path = scripts_path.append("scripts.json"sv);
VERIFY(Core::File::exists(scripts_path.string()));
auto scripts_file_or_error = Core::File::open(scripts_path.string(), Core::OpenMode::ReadOnly);
VERIFY(!scripts_file_or_error.is_error());
auto scripts = JsonParser(scripts_file_or_error.value()->read_all()).parse();
VERIFY(scripts.has_value());
auto const& main_object = scripts->as_object().get("main"sv);
auto const& locale_object = main_object.as_object().get(scripts_path.parent().basename());
auto const& locale_display_names_object = locale_object.as_object().get("localeDisplayNames"sv);
auto const& scripts_object = locale_display_names_object.as_object().get("scripts"sv);
scripts_object.as_object().for_each_member([&](auto const& key, JsonValue const& value) {
locale.scripts.set(key, value.as_string());
if (!locale_data.scripts.contains_slow(key))
locale_data.scripts.append(key);
});
}
static void parse_all_locales(String locale_names_path, UnicodeLocaleData& locale_data)
{
LexicalPath locale_names(move(locale_names_path));
@ -147,6 +173,7 @@ static void parse_all_locales(String locale_names_path, UnicodeLocaleData& local
parse_identity(locale_path, locale_data, locale);
parse_locale_languages(locale_path, locale);
parse_locale_territories(locale_path, locale);
parse_locale_scripts(locale_path, locale_data, locale);
}
}
@ -205,6 +232,7 @@ namespace Unicode {
generate_enum("Locale"sv, "None"sv, locales);
generate_enum("Language"sv, {}, locale_data.languages);
generate_enum("Territory"sv, {}, locale_data.territories);
generate_enum("ScriptTag"sv, {}, locale_data.scripts);
generate_enum("Variant"sv, {}, locale_data.variants);
generator.append(R"~~~(
@ -218,6 +246,9 @@ Optional<Language> language_from_string(StringView const& language);
Optional<StringView> get_locale_territory_mapping(StringView locale, StringView territory);
Optional<Territory> territory_from_string(StringView const& territory);
Optional<StringView> get_locale_script_tag_mapping(StringView locale, StringView script_tag);
Optional<ScriptTag> script_tag_from_string(StringView const& script_tag);
}
}
@ -320,6 +351,7 @@ 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; });
append_mapping("s_scripts"sv, "s_scripts_{}", locale_data.scripts, [](auto const& value) { return value.scripts; });
generator.append(R"~~~(
namespace Detail {
@ -388,6 +420,9 @@ Optional<@enum_title@> @enum_snake@_from_string(StringView const& @enum_snake@)
append_mapping_search("Territory"sv, "territory"sv, "s_territories"sv);
append_from_string("Territory"sv, "territory"sv, locale_data.territories);
append_mapping_search("ScriptTag"sv, "script_tag"sv, "s_scripts"sv);
append_from_string("ScriptTag"sv, "script_tag"sv, locale_data.scripts);
generator.append(R"~~~(
}