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LibUnicode: Parse Unicode CLDR currencies and generate locale mappings

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Timothy Flynn 2021-08-26 08:38:54 -04:00 committed by Linus Groh
parent 297db925fc
commit 8b93d51212
Notes: sideshowbarker 2024-07-18 05:13:40 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/SerenityOS/serenity/commit/8b93d512127
Pull-request: https://github.com/SerenityOS/serenity/pull/9622
Reviewed-by: https://github.com/linusg
3 changed files with 70 additions and 9 deletions
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69
Userland/Libraries/LibUnicode/CodeGenerators/GenerateUnicodeLocale.cpp
View File

@ -27,6 +27,7 @@ struct Locale {
HashMap<String, String> languages;
HashMap<String, String> territories;
HashMap<String, String> scripts;
HashMap<String, String> currencies;
};
struct UnicodeLocaleData {
@ -35,6 +36,7 @@ struct UnicodeLocaleData {
Vector<String> territories;
Vector<String> scripts;
Vector<String> variants;
Vector<String> currencies;
};
static void write_to_file_if_different(Core::File& file, StringView contents)
@ -153,20 +155,53 @@ static void parse_locale_scripts(String locale_path, UnicodeLocaleData& locale_d
});
}
static void parse_all_locales(String locale_names_path, UnicodeLocaleData& locale_data)
static void parse_locale_currencies(String numbers_path, UnicodeLocaleData& locale_data, Locale& locale)
{
LexicalPath locale_names(move(locale_names_path));
locale_names = locale_names.append("main"sv);
VERIFY(Core::File::is_directory(locale_names.string()));
LexicalPath currencies_path(move(numbers_path));
currencies_path = currencies_path.append("currencies.json"sv);
VERIFY(Core::File::exists(currencies_path.string()));
Core::DirIterator iterator(locale_names.string(), Core::DirIterator::SkipParentAndBaseDir);
auto currencies_file_or_error = Core::File::open(currencies_path.string(), Core::OpenMode::ReadOnly);
VERIFY(!currencies_file_or_error.is_error());
auto currencies = JsonParser(currencies_file_or_error.value()->read_all()).parse();
VERIFY(currencies.has_value());
auto const& main_object = currencies->as_object().get("main"sv);
auto const& locale_object = main_object.as_object().get(currencies_path.parent().basename());
auto const& locale_numbers_object = locale_object.as_object().get("numbers"sv);
auto const& currencies_object = locale_numbers_object.as_object().get("currencies"sv);
currencies_object.as_object().for_each_member([&](auto const& key, JsonValue const& value) {
auto const& display_name = value.as_object().get("displayName"sv);
locale.currencies.set(key, display_name.as_string());
if (!locale_data.currencies.contains_slow(key))
locale_data.currencies.append(key);
});
}
static Core::DirIterator path_to_dir_iterator(String path)
{
LexicalPath lexical_path(move(path));
lexical_path = lexical_path.append("main"sv);
VERIFY(Core::File::is_directory(lexical_path.string()));
Core::DirIterator iterator(lexical_path.string(), Core::DirIterator::SkipParentAndBaseDir);
if (iterator.has_error()) {
warnln("{}: {}", locale_names.string(), iterator.error_string());
warnln("{}: {}", lexical_path.string(), iterator.error_string());
VERIFY_NOT_REACHED();
}
while (iterator.has_next()) {
auto locale_path = iterator.next_full_path();
return iterator;
}
static void parse_all_locales(String locale_names_path, String numbers_path, UnicodeLocaleData& locale_data)
{
auto locale_names_iterator = path_to_dir_iterator(move(locale_names_path));
auto numbers_iterator = path_to_dir_iterator(move(numbers_path));
while (locale_names_iterator.has_next()) {
auto locale_path = locale_names_iterator.next_full_path();
VERIFY(Core::File::is_directory(locale_path));
auto& locale = locale_data.locales.ensure(LexicalPath::basename(locale_path));
@ -175,6 +210,14 @@ static void parse_all_locales(String locale_names_path, UnicodeLocaleData& local
parse_locale_territories(locale_path, locale);
parse_locale_scripts(locale_path, locale_data, locale);
}
while (numbers_iterator.has_next()) {
auto numbers_path = numbers_iterator.next_full_path();
VERIFY(Core::File::is_directory(numbers_path));
auto& locale = locale_data.locales.ensure(LexicalPath::basename(numbers_path));
parse_locale_currencies(numbers_path, locale_data, locale);
}
}
static String format_identifier(StringView owner, String identifier)
@ -233,6 +276,7 @@ namespace Unicode {
generate_enum("Language"sv, {}, locale_data.languages);
generate_enum("Territory"sv, {}, locale_data.territories);
generate_enum("ScriptTag"sv, {}, locale_data.scripts);
generate_enum("Currency"sv, {}, locale_data.currencies);
generate_enum("Variant"sv, {}, locale_data.variants);
generator.append(R"~~~(
@ -249,6 +293,9 @@ 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);
Optional<StringView> get_locale_currency_mapping(StringView locale, StringView currency);
Optional<Currency> currency_from_string(StringView const& currency);
}
}
@ -352,6 +399,7 @@ 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; });
append_mapping("s_currencies"sv, "s_currencies_{}", locale_data.currencies, [](auto const& value) { return value.currencies; });
generator.append(R"~~~(
namespace Detail {
@ -423,6 +471,9 @@ Optional<@enum_title@> @enum_snake@_from_string(StringView const& @enum_snake@)
append_mapping_search("ScriptTag"sv, "script_tag"sv, "s_scripts"sv);
append_from_string("ScriptTag"sv, "script_tag"sv, locale_data.scripts);
append_mapping_search("Currency"sv, "currency"sv, "s_currencies"sv);
append_from_string("Currency"sv, "currency"sv, locale_data.currencies);
generator.append(R"~~~(
}
@ -466,7 +517,7 @@ int main(int argc, char** argv)
auto generated_implementation_file = open_file(generated_implementation_path, "-c/--generated-implementation-path", Core::OpenMode::ReadWrite);
UnicodeLocaleData locale_data;
parse_all_locales(locale_names_path, locale_data);
parse_all_locales(locale_names_path, numbers_path, locale_data);
generate_unicode_locale_header(generated_header_file, locale_data);
generate_unicode_locale_implementation(generated_implementation_file, locale_data);

9
Userland/Libraries/LibUnicode/Locale.cpp
View File

@ -195,4 +195,13 @@ Optional<StringView> get_locale_script_mapping([[maybe_unused]] StringView local
#endif
}
Optional<StringView> get_locale_currency_mapping([[maybe_unused]] StringView locale, [[maybe_unused]] StringView currency)
{
#if ENABLE_UNICODE_DATA
return Detail::get_locale_currency_mapping(locale, currency);
#else
return {};
#endif
}
}

1
Userland/Libraries/LibUnicode/Locale.h
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@ -43,5 +43,6 @@ 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);
Optional<StringView> get_locale_script_mapping(StringView locale, StringView script);
Optional<StringView> get_locale_currency_mapping(StringView locale, StringView currency);
}