ladybird/Meta/Lagom/Tools/CodeGenerators/LibLocale/GenerateLocaleData.cpp

1786 lines
75 KiB
C++

/*
* Copyright (c) 2021-2022, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "../LibUnicode/GeneratorUtil.h" // FIXME: Move this somewhere common.
#include <AK/AllOf.h>
#include <AK/CharacterTypes.h>
#include <AK/DeprecatedString.h>
#include <AK/Error.h>
#include <AK/Format.h>
#include <AK/HashMap.h>
#include <AK/JsonObject.h>
#include <AK/JsonParser.h>
#include <AK/JsonValue.h>
#include <AK/LexicalPath.h>
#include <AK/QuickSort.h>
#include <AK/SourceGenerator.h>
#include <AK/StringBuilder.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/DeprecatedFile.h>
#include <LibCore/DirIterator.h>
static DeprecatedString format_identifier(StringView owner, DeprecatedString identifier)
{
identifier = identifier.replace("-"sv, "_"sv, ReplaceMode::All);
if (all_of(identifier, is_ascii_digit))
return DeprecatedString::formatted("{}_{}", owner[0], identifier);
if (is_ascii_lower_alpha(identifier[0]))
return DeprecatedString::formatted("{:c}{}", to_ascii_uppercase(identifier[0]), identifier.substring_view(1));
return identifier;
}
struct DisplayPattern {
unsigned hash() const
{
return pair_int_hash(locale_pattern, locale_separator);
}
bool operator==(DisplayPattern const& other) const
{
return (locale_pattern == other.locale_pattern)
&& (locale_separator == other.locale_separator);
}
size_t locale_pattern { 0 };
size_t locale_separator { 0 };
};
template<>
struct AK::Formatter<DisplayPattern> : Formatter<FormatString> {
ErrorOr<void> format(FormatBuilder& builder, DisplayPattern const& patterns)
{
return Formatter<FormatString>::format(builder,
"{{ {}, {} }}"sv,
patterns.locale_pattern,
patterns.locale_separator);
}
};
template<>
struct AK::Traits<DisplayPattern> : public GenericTraits<DisplayPattern> {
static unsigned hash(DisplayPattern const& p) { return p.hash(); }
};
struct ListPatterns {
unsigned hash() const
{
auto hash = pair_int_hash(type.hash(), style.hash());
hash = pair_int_hash(hash, start);
hash = pair_int_hash(hash, middle);
hash = pair_int_hash(hash, end);
hash = pair_int_hash(hash, pair);
return hash;
}
bool operator==(ListPatterns const& other) const
{
return (type == other.type)
&& (style == other.style)
&& (start == other.start)
&& (middle == other.middle)
&& (end == other.end)
&& (pair == other.pair);
}
StringView type;
StringView style;
size_t start { 0 };
size_t middle { 0 };
size_t end { 0 };
size_t pair { 0 };
};
template<>
struct AK::Formatter<ListPatterns> : Formatter<FormatString> {
ErrorOr<void> format(FormatBuilder& builder, ListPatterns const& patterns)
{
return Formatter<FormatString>::format(builder,
"{{ ListPatternType::{}, Style::{}, {}, {}, {}, {} }}"sv,
format_identifier({}, patterns.type),
format_identifier({}, patterns.style),
patterns.start,
patterns.middle,
patterns.end,
patterns.pair);
}
};
template<>
struct AK::Traits<ListPatterns> : public GenericTraits<ListPatterns> {
static unsigned hash(ListPatterns const& p) { return p.hash(); }
};
struct TextLayout {
unsigned hash() const
{
return character_order.hash();
}
bool operator==(TextLayout const& other) const
{
return character_order == other.character_order;
}
StringView character_order;
};
template<>
struct AK::Formatter<TextLayout> : Formatter<FormatString> {
ErrorOr<void> format(FormatBuilder& builder, TextLayout const& patterns)
{
return Formatter<FormatString>::format(builder,
"{{ CharacterOrder::{} }}"sv,
format_identifier({}, patterns.character_order));
}
};
template<>
struct AK::Traits<TextLayout> : public GenericTraits<TextLayout> {
static unsigned hash(TextLayout const& t) { return t.hash(); }
};
using LanguageList = Vector<size_t>;
using TerritoryList = Vector<size_t>;
using ScriptList = Vector<size_t>;
using CurrencyList = Vector<size_t>;
using CalendarList = Vector<size_t>;
using DateFieldList = Vector<size_t>;
using KeywordList = Vector<size_t>;
using ListPatternList = Vector<size_t>;
struct LocaleData {
DeprecatedString language;
Optional<DeprecatedString> territory;
Optional<DeprecatedString> variant;
size_t display_patterns { 0 };
size_t languages { 0 };
size_t territories { 0 };
size_t scripts { 0 };
size_t long_currencies { 0 };
size_t short_currencies { 0 };
size_t narrow_currencies { 0 };
size_t numeric_currencies { 0 };
size_t calendars { 0 };
size_t long_date_fields { 0 };
size_t short_date_fields { 0 };
size_t narrow_date_fields { 0 };
size_t calendar_keywords { 0 };
size_t collation_case_keywords { 0 };
size_t collation_numeric_keywords { 0 };
size_t number_system_keywords { 0 };
size_t list_patterns { 0 };
size_t text_layout { 0 };
};
struct LanguageMapping {
CanonicalLanguageID key {};
CanonicalLanguageID alias {};
};
struct CLDR {
UniqueStringStorage unique_strings;
UniqueStorage<DisplayPattern> unique_display_patterns;
UniqueStorage<LanguageList> unique_language_lists;
UniqueStorage<TerritoryList> unique_territory_lists;
UniqueStorage<ScriptList> unique_script_lists;
UniqueStorage<CurrencyList> unique_currency_lists;
UniqueStorage<CalendarList> unique_calendar_lists;
UniqueStorage<DateFieldList> unique_date_field_lists;
UniqueStorage<KeywordList> unique_keyword_lists;
UniqueStorage<ListPatterns> unique_list_patterns;
UniqueStorage<ListPatternList> unique_list_pattern_lists;
UniqueStorage<TextLayout> unique_text_layouts;
HashMap<DeprecatedString, LocaleData> locales;
Vector<Alias> locale_aliases;
Vector<DeprecatedString> languages;
Vector<DeprecatedString> territories;
Vector<DeprecatedString> scripts;
Vector<DeprecatedString> variants;
Vector<DeprecatedString> currencies;
Vector<DeprecatedString> date_fields;
Vector<Alias> date_field_aliases {
// ECMA-402 and the CLDR refer to some date fields with different names. Defining these aliases
// means we can remain agnostic about the naming differences elsewhere.
{ "dayperiod"sv, "dayPeriod"sv },
{ "week"sv, "weekOfYear"sv },
{ "zone"sv, "timeZoneName"sv },
};
HashMap<DeprecatedString, Vector<DeprecatedString>> keywords;
HashMap<DeprecatedString, Vector<Alias>> keyword_aliases;
HashMap<DeprecatedString, DeprecatedString> keyword_names;
Vector<DeprecatedString> list_pattern_types;
Vector<DeprecatedString> character_orders;
HashMap<DeprecatedString, size_t> language_aliases;
HashMap<DeprecatedString, size_t> territory_aliases;
HashMap<DeprecatedString, size_t> script_aliases;
HashMap<DeprecatedString, size_t> variant_aliases;
HashMap<DeprecatedString, size_t> subdivision_aliases;
Vector<LanguageMapping> complex_mappings;
Vector<LanguageMapping> likely_subtags;
size_t max_variant_size { 0 };
};
// Some parsing is expected to fail. For example, the CLDR contains language mappings
// with locales such as "en-GB-oed" that are canonically invalid locale IDs.
#define TRY_OR_DISCARD(expression) \
({ \
auto&& _temporary_result = (expression); \
if (_temporary_result.is_error()) \
return; \
static_assert(!::AK::Detail::IsLvalueReference<decltype(_temporary_result.release_value())>, \
"Do not return a reference from a fallible expression"); \
_temporary_result.release_value(); \
})
static ErrorOr<LanguageMapping> parse_language_mapping(CLDR& cldr, StringView key, StringView alias)
{
auto parsed_key = TRY(CanonicalLanguageID::parse(cldr.unique_strings, key));
auto parsed_alias = TRY(CanonicalLanguageID::parse(cldr.unique_strings, alias));
return LanguageMapping { move(parsed_key), move(parsed_alias) };
}
static ErrorOr<void> parse_core_aliases(DeprecatedString core_supplemental_path, CLDR& cldr)
{
LexicalPath core_aliases_path(move(core_supplemental_path));
core_aliases_path = core_aliases_path.append("aliases.json"sv);
auto core_aliases = TRY(read_json_file(core_aliases_path.string()));
auto const& supplemental_object = core_aliases.as_object().get_object("supplemental"sv).value();
auto const& metadata_object = supplemental_object.get_object("metadata"sv).value();
auto const& alias_object = metadata_object.get_object("alias"sv).value();
auto append_aliases = [&](auto& alias_object, auto& alias_map) {
alias_object.for_each_member([&](auto const& key, JsonValue const& value) {
auto alias = value.as_object().get_deprecated_string("_replacement"sv).value();
if (key.contains('-')) {
auto mapping = TRY_OR_DISCARD(parse_language_mapping(cldr, key, alias));
cldr.max_variant_size = max(mapping.key.variants.size(), cldr.max_variant_size);
cldr.max_variant_size = max(mapping.alias.variants.size(), cldr.max_variant_size);
cldr.complex_mappings.append(move(mapping));
} else {
alias_map.set(key, cldr.unique_strings.ensure(alias));
}
});
};
append_aliases(alias_object.get_object("languageAlias"sv).value(), cldr.language_aliases);
append_aliases(alias_object.get_object("territoryAlias"sv).value(), cldr.territory_aliases);
append_aliases(alias_object.get_object("scriptAlias"sv).value(), cldr.script_aliases);
append_aliases(alias_object.get_object("variantAlias"sv).value(), cldr.variant_aliases);
append_aliases(alias_object.get_object("subdivisionAlias"sv).value(), cldr.subdivision_aliases);
return {};
}
static ErrorOr<void> parse_likely_subtags(DeprecatedString core_supplemental_path, CLDR& cldr)
{
LexicalPath likely_subtags_path(move(core_supplemental_path));
likely_subtags_path = likely_subtags_path.append("likelySubtags.json"sv);
auto likely_subtags = TRY(read_json_file(likely_subtags_path.string()));
auto const& supplemental_object = likely_subtags.as_object().get_object("supplemental"sv).value();
auto const& likely_subtags_object = supplemental_object.get_object("likelySubtags"sv).value();
likely_subtags_object.for_each_member([&](auto const& key, JsonValue const& value) {
auto mapping = TRY_OR_DISCARD(parse_language_mapping(cldr, key, value.as_string()));
cldr.max_variant_size = max(mapping.key.variants.size(), cldr.max_variant_size);
cldr.max_variant_size = max(mapping.alias.variants.size(), cldr.max_variant_size);
cldr.likely_subtags.append(move(mapping));
});
return {};
}
static ErrorOr<void> parse_identity(DeprecatedString locale_path, CLDR& cldr, LocaleData& locale)
{
LexicalPath languages_path(move(locale_path)); // Note: Every JSON file defines identity data, so we can use any of them.
languages_path = languages_path.append("languages.json"sv);
auto languages = TRY(read_json_file(languages_path.string()));
auto const& main_object = languages.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(languages_path.parent().basename()).value();
auto const& identity_object = locale_object.get_object("identity"sv).value();
auto const& language_string = identity_object.get_deprecated_string("language"sv).value();
auto const& territory_string = identity_object.get_deprecated_string("territory"sv);
auto const& script_string = identity_object.get_deprecated_string("script"sv);
auto const& variant_string = identity_object.get_deprecated_string("variant"sv);
locale.language = language_string;
if (territory_string.has_value()) {
locale.territory = territory_string.value();
if (!cldr.territories.contains_slow(*locale.territory))
cldr.territories.append(*locale.territory);
}
if (script_string.has_value()) {
auto script = script_string.value();
if (!cldr.scripts.contains_slow(script))
cldr.scripts.append(script);
}
if (variant_string.has_value()) {
locale.variant = variant_string.value();
if (!cldr.variants.contains_slow(*locale.variant))
cldr.variants.append(*locale.variant);
}
return {};
}
static ErrorOr<void> parse_locale_display_patterns(DeprecatedString locale_path, CLDR& cldr, LocaleData& locale)
{
LexicalPath locale_display_names_path(move(locale_path));
locale_display_names_path = locale_display_names_path.append("localeDisplayNames.json"sv);
auto locale_display_names = TRY(read_json_file(locale_display_names_path.string()));
auto const& main_object = locale_display_names.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(locale_display_names_path.parent().basename()).value();
auto const& locale_display_names_object = locale_object.get_object("localeDisplayNames"sv).value();
auto const& locale_display_patterns_object = locale_display_names_object.get_object("localeDisplayPattern"sv).value();
auto const& locale_pattern = locale_display_patterns_object.get_deprecated_string("localePattern"sv).value();
auto const& locale_separator = locale_display_patterns_object.get_deprecated_string("localeSeparator"sv).value();
DisplayPattern patterns {};
patterns.locale_pattern = cldr.unique_strings.ensure(locale_pattern);
patterns.locale_separator = cldr.unique_strings.ensure(locale_separator);
locale.display_patterns = cldr.unique_display_patterns.ensure(move(patterns));
return {};
}
static ErrorOr<void> preprocess_languages(DeprecatedString locale_path, CLDR& cldr)
{
LexicalPath languages_path(move(locale_path));
languages_path = languages_path.append("languages.json"sv);
auto locale_languages = TRY(read_json_file(languages_path.string()));
auto const& main_object = locale_languages.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(languages_path.parent().basename()).value();
auto const& locale_display_names_object = locale_object.get_object("localeDisplayNames"sv).value();
auto const& languages_object = locale_display_names_object.get_object("languages"sv).value();
languages_object.for_each_member([&](auto const& key, auto const&) {
if (!key.contains("-alt-"sv) && !cldr.languages.contains_slow(key))
cldr.languages.append(key);
});
return {};
}
static ErrorOr<void> parse_unicode_extension_keywords(DeprecatedString bcp47_path, CLDR& cldr)
{
constexpr auto desired_keywords = Array { "ca"sv, "co"sv, "hc"sv, "kf"sv, "kn"sv, "nu"sv };
auto keywords = TRY(read_json_file(bcp47_path));
auto const& keyword_object = keywords.as_object().get_object("keyword"sv).value();
auto unicode_object = keyword_object.get_object("u"sv);
if (!unicode_object.has_value())
return {};
unicode_object->for_each_member([&](auto const& key, auto const& value) {
if (!desired_keywords.span().contains_slow(key))
return;
auto const& name = value.as_object().get_deprecated_string("_alias"sv).value();
cldr.keyword_names.set(key, name);
auto& keywords = cldr.keywords.ensure(key);
// FIXME: ECMA-402 requires the list of supported collation types to include "default", but
// that type does not appear in collation.json.
if (key == "co" && !keywords.contains_slow("default"sv))
keywords.append("default"sv);
value.as_object().for_each_member([&](auto const& keyword, auto const& properties) {
if (!properties.is_object())
return;
// Filter out values not permitted by ECMA-402.
// https://tc39.es/ecma402/#sec-intl-collator-internal-slots
if (key == "co"sv && keyword.is_one_of("search"sv, "standard"sv))
return;
// https://tc39.es/ecma402/#sec-intl.numberformat-internal-slots
if (key == "nu"sv && keyword.is_one_of("finance"sv, "native"sv, "traditio"sv))
return;
if (auto const& preferred = properties.as_object().get_deprecated_string("_preferred"sv); preferred.has_value()) {
cldr.keyword_aliases.ensure(key).append({ preferred.value(), keyword });
return;
}
if (auto const& alias = properties.as_object().get_deprecated_string("_alias"sv); alias.has_value())
cldr.keyword_aliases.ensure(key).append({ keyword, alias.value() });
keywords.append(keyword);
});
});
return {};
}
static Optional<DeprecatedString> find_keyword_alias(StringView key, StringView calendar, CLDR& cldr)
{
auto it = cldr.keyword_aliases.find(key);
if (it == cldr.keyword_aliases.end())
return {};
auto alias = it->value.find_if([&](auto const& alias) { return calendar == alias.alias; });
if (alias == it->value.end())
return {};
return alias->name;
}
static ErrorOr<void> parse_locale_languages(DeprecatedString locale_path, CLDR& cldr, LocaleData& locale)
{
LexicalPath languages_path(move(locale_path));
languages_path = languages_path.append("languages.json"sv);
auto locale_languages = TRY(read_json_file(languages_path.string()));
auto const& main_object = locale_languages.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(languages_path.parent().basename()).value();
auto const& locale_display_names_object = locale_object.get_object("localeDisplayNames"sv).value();
auto const& languages_object = locale_display_names_object.get_object("languages"sv).value();
LanguageList languages;
languages.resize(cldr.languages.size());
languages_object.for_each_member([&](auto const& key, JsonValue const& value) {
if (key.contains("-alt-"sv))
return;
auto index = cldr.languages.find_first_index(key).value();
languages[index] = cldr.unique_strings.ensure(value.as_string());
});
locale.languages = cldr.unique_language_lists.ensure(move(languages));
return {};
}
static ErrorOr<void> parse_locale_territories(DeprecatedString locale_path, CLDR& cldr, LocaleData& locale)
{
LexicalPath territories_path(move(locale_path));
territories_path = territories_path.append("territories.json"sv);
auto locale_territories = TRY(read_json_file(territories_path.string()));
auto const& main_object = locale_territories.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(territories_path.parent().basename()).value();
auto const& locale_display_names_object = locale_object.get_object("localeDisplayNames"sv).value();
auto const& territories_object = locale_display_names_object.get_object("territories"sv).value();
TerritoryList territories;
territories.resize(cldr.territories.size());
territories_object.for_each_member([&](auto const& key, JsonValue const& value) {
if (auto index = cldr.territories.find_first_index(key); index.has_value())
territories[*index] = cldr.unique_strings.ensure(value.as_string());
});
locale.territories = cldr.unique_territory_lists.ensure(move(territories));
return {};
}
static ErrorOr<void> parse_locale_scripts(DeprecatedString locale_path, CLDR& cldr, LocaleData& locale)
{
LexicalPath scripts_path(move(locale_path));
scripts_path = scripts_path.append("scripts.json"sv);
auto locale_scripts = TRY(read_json_file(scripts_path.string()));
auto const& main_object = locale_scripts.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(scripts_path.parent().basename()).value();
auto const& locale_display_names_object = locale_object.get_object("localeDisplayNames"sv).value();
auto const& scripts_object = locale_display_names_object.get_object("scripts"sv).value();
ScriptList scripts;
scripts.resize(cldr.scripts.size());
scripts_object.for_each_member([&](auto const& key, JsonValue const& value) {
if (auto index = cldr.scripts.find_first_index(key); index.has_value())
scripts[*index] = cldr.unique_strings.ensure(value.as_string());
});
locale.scripts = cldr.unique_script_lists.ensure(move(scripts));
return {};
}
static ErrorOr<void> parse_locale_list_patterns(DeprecatedString misc_path, CLDR& cldr, LocaleData& locale)
{
LexicalPath list_patterns_path(move(misc_path));
list_patterns_path = list_patterns_path.append("listPatterns.json"sv);
auto locale_list_patterns = TRY(read_json_file(list_patterns_path.string()));
auto const& main_object = locale_list_patterns.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(list_patterns_path.parent().basename()).value();
auto const& list_patterns_object = locale_object.get_object("listPatterns"sv).value();
auto list_pattern_type = [](StringView key) {
if (key.contains("type-standard"sv))
return "conjunction"sv;
if (key.contains("type-or"sv))
return "disjunction"sv;
if (key.contains("type-unit"sv))
return "unit"sv;
VERIFY_NOT_REACHED();
};
auto list_pattern_style = [](StringView key) {
if (key.contains("short"sv))
return "short"sv;
if (key.contains("narrow"sv))
return "narrow"sv;
return "long"sv;
};
ListPatternList list_patterns;
list_patterns.ensure_capacity(list_patterns_object.size());
list_patterns_object.for_each_member([&](auto const& key, JsonValue const& value) {
auto type = list_pattern_type(key);
auto style = list_pattern_style(key);
auto start = cldr.unique_strings.ensure(value.as_object().get_deprecated_string("start"sv).value());
auto middle = cldr.unique_strings.ensure(value.as_object().get_deprecated_string("middle"sv).value());
auto end = cldr.unique_strings.ensure(value.as_object().get_deprecated_string("end"sv).value());
auto pair = cldr.unique_strings.ensure(value.as_object().get_deprecated_string("2"sv).value());
if (!cldr.list_pattern_types.contains_slow(type))
cldr.list_pattern_types.append(type);
ListPatterns list_pattern { type, style, start, middle, end, pair };
list_patterns.append(cldr.unique_list_patterns.ensure(move(list_pattern)));
});
locale.list_patterns = cldr.unique_list_pattern_lists.ensure(move(list_patterns));
return {};
}
static ErrorOr<void> parse_locale_layout(DeprecatedString misc_path, CLDR& cldr, LocaleData& locale)
{
LexicalPath layout_path(move(misc_path));
layout_path = layout_path.append("layout.json"sv);
auto locale_layout = TRY(read_json_file(layout_path.string()));
auto const& main_object = locale_layout.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(layout_path.parent().basename()).value();
auto const& layout_object = locale_object.get_object("layout"sv).value();
auto const& orientation_object = layout_object.get_object("orientation"sv).value();
auto text_layout_character_order = [](StringView key) {
if (key == "left-to-right"sv)
return "ltr"sv;
if (key == "right-to-left"sv)
return "rtl"sv;
VERIFY_NOT_REACHED();
};
auto character_order = orientation_object.get_deprecated_string("characterOrder"sv).value();
TextLayout layout {};
layout.character_order = text_layout_character_order(character_order);
if (!cldr.character_orders.contains_slow(layout.character_order))
cldr.character_orders.append(layout.character_order);
locale.text_layout = cldr.unique_text_layouts.ensure(move(layout));
return {};
}
static ErrorOr<void> parse_locale_currencies(DeprecatedString numbers_path, CLDR& cldr, LocaleData& locale)
{
LexicalPath currencies_path(move(numbers_path));
currencies_path = currencies_path.append("currencies.json"sv);
auto locale_currencies = TRY(read_json_file(currencies_path.string()));
auto const& main_object = locale_currencies.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(currencies_path.parent().basename()).value();
auto const& locale_numbers_object = locale_object.get_object("numbers"sv).value();
auto const& currencies_object = locale_numbers_object.get_object("currencies"sv).value();
currencies_object.for_each_member([&](auto const& key, JsonValue const&) {
if (!cldr.currencies.contains_slow(key))
cldr.currencies.append(key);
});
CurrencyList long_currencies {};
long_currencies.resize(cldr.currencies.size());
CurrencyList short_currencies {};
short_currencies.resize(cldr.currencies.size());
CurrencyList narrow_currencies {};
narrow_currencies.resize(cldr.currencies.size());
CurrencyList numeric_currencies {};
numeric_currencies.resize(cldr.currencies.size());
currencies_object.for_each_member([&](auto const& key, JsonValue const& value) {
auto const& long_name = value.as_object().get_deprecated_string("displayName"sv);
auto const& short_name = value.as_object().get_deprecated_string("symbol"sv);
auto const& narrow_name = value.as_object().get_deprecated_string("symbol-alt-narrow"sv);
auto const& numeric_name = value.as_object().get_deprecated_string("displayName-count-other"sv);
auto index = cldr.currencies.find_first_index(key).value();
long_currencies[index] = cldr.unique_strings.ensure(long_name.value());
short_currencies[index] = cldr.unique_strings.ensure(short_name.value());
narrow_currencies[index] = narrow_name.has_value() ? cldr.unique_strings.ensure(narrow_name.value()) : 0;
numeric_currencies[index] = cldr.unique_strings.ensure(numeric_name.has_value() ? numeric_name.value() : long_name.value());
});
locale.long_currencies = cldr.unique_currency_lists.ensure(move(long_currencies));
locale.short_currencies = cldr.unique_currency_lists.ensure(move(short_currencies));
locale.narrow_currencies = cldr.unique_currency_lists.ensure(move(narrow_currencies));
locale.numeric_currencies = cldr.unique_currency_lists.ensure(move(numeric_currencies));
return {};
}
static ErrorOr<void> parse_locale_calendars(DeprecatedString locale_path, CLDR& cldr, LocaleData& locale)
{
LexicalPath locale_display_names_path(move(locale_path));
locale_display_names_path = locale_display_names_path.append("localeDisplayNames.json"sv);
auto locale_display_names = TRY(read_json_file(locale_display_names_path.string()));
auto const& main_object = locale_display_names.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(locale_display_names_path.parent().basename()).value();
auto const& locale_display_names_object = locale_object.get_object("localeDisplayNames"sv).value();
auto const& types_object = locale_display_names_object.get_object("types"sv).value();
auto const& calendar_object = types_object.get_object("calendar"sv).value();
auto const& supported_calendars = cldr.keywords.find("ca"sv)->value;
CalendarList calendars;
calendars.resize(supported_calendars.size());
calendar_object.for_each_member([&](auto const& key, auto const& calendar) {
auto index = supported_calendars.find_first_index(key);
if (!index.has_value()) {
auto alias = find_keyword_alias("ca"sv, key, cldr);
index = supported_calendars.find_first_index(*alias);
}
calendars[*index] = cldr.unique_strings.ensure(calendar.as_string());
});
locale.calendars = cldr.unique_calendar_lists.ensure(move(calendars));
return {};
}
static ErrorOr<void> parse_locale_date_fields(DeprecatedString dates_path, CLDR& cldr, LocaleData& locale)
{
LexicalPath date_fields_path(move(dates_path));
date_fields_path = date_fields_path.append("dateFields.json"sv);
auto locale_date_fields = TRY(read_json_file(date_fields_path.string()));
auto const& main_object = locale_date_fields.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(date_fields_path.parent().basename()).value();
auto const& dates_object = locale_object.get_object("dates"sv).value();
auto const& fields_object = dates_object.get_object("fields"sv).value();
auto is_sanctioned_field = [](StringView field) {
// This is a copy of the units sanctioned for use within ECMA-402, with names adjusted for the names used by the CLDR.
// https://tc39.es/ecma402/#table-validcodeforDateField
return field.is_one_of("era"sv, "year"sv, "quarter"sv, "month"sv, "week"sv, "weekday"sv, "day"sv, "dayperiod"sv, "hour"sv, "minute"sv, "second"sv, "zone"sv);
};
fields_object.for_each_member([&](auto const& key, JsonValue const&) {
if (!is_sanctioned_field(key))
return;
if (!cldr.date_fields.contains_slow(key))
cldr.date_fields.append(key);
});
quick_sort(cldr.date_fields);
DateFieldList long_date_fields {};
long_date_fields.resize(cldr.date_fields.size());
DateFieldList short_date_fields {};
short_date_fields.resize(cldr.date_fields.size());
DateFieldList narrow_date_fields {};
narrow_date_fields.resize(cldr.date_fields.size());
fields_object.for_each_member([&](auto const& key, JsonValue const& value) {
if (!is_sanctioned_field(key))
return;
auto const& long_name = value.as_object().get_deprecated_string("displayName"sv).value();
auto const& short_name = fields_object.get_object(DeprecatedString::formatted("{}-short", key))->get_deprecated_string("displayName"sv).value();
auto const& narrow_name = fields_object.get_object(DeprecatedString::formatted("{}-narrow", key))->get_deprecated_string("displayName"sv).value();
auto index = cldr.date_fields.find_first_index(key).value();
long_date_fields[index] = cldr.unique_strings.ensure(long_name);
short_date_fields[index] = cldr.unique_strings.ensure(short_name);
narrow_date_fields[index] = cldr.unique_strings.ensure(narrow_name);
});
locale.long_date_fields = cldr.unique_date_field_lists.ensure(move(long_date_fields));
locale.short_date_fields = cldr.unique_date_field_lists.ensure(move(short_date_fields));
locale.narrow_date_fields = cldr.unique_date_field_lists.ensure(move(narrow_date_fields));
return {};
}
static ErrorOr<void> parse_number_system_keywords(DeprecatedString locale_numbers_path, CLDR& cldr, LocaleData& locale)
{
LexicalPath numbers_path(move(locale_numbers_path));
numbers_path = numbers_path.append("numbers.json"sv);
auto numbers = TRY(read_json_file(numbers_path.string()));
auto const& main_object = numbers.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(numbers_path.parent().basename()).value();
auto const& locale_numbers_object = locale_object.get_object("numbers"sv).value();
auto const& default_numbering_system_object = locale_numbers_object.get_deprecated_string("defaultNumberingSystem"sv).value();
auto const& other_numbering_systems_object = locale_numbers_object.get_object("otherNumberingSystems"sv).value();
KeywordList keywords {};
auto append_numbering_system = [&](DeprecatedString system_name) {
if (auto system_alias = find_keyword_alias("nu"sv, system_name, cldr); system_alias.has_value())
system_name = system_alias.release_value();
auto index = cldr.unique_strings.ensure(move(system_name));
if (!keywords.contains_slow(index))
keywords.append(move(index));
};
append_numbering_system(default_numbering_system_object);
other_numbering_systems_object.for_each_member([&](auto const&, JsonValue const& value) {
append_numbering_system(value.as_string());
});
locale_numbers_object.for_each_member([&](auto const& key, JsonValue const& value) {
if (!key.starts_with("defaultNumberingSystem-alt-"sv))
return;
append_numbering_system(value.as_string());
});
locale.number_system_keywords = cldr.unique_keyword_lists.ensure(move(keywords));
return {};
}
static ErrorOr<void> parse_calendar_keywords(DeprecatedString locale_dates_path, CLDR& cldr, LocaleData& locale)
{
auto calendars_iterator = TRY(path_to_dir_iterator(locale_dates_path, {}));
KeywordList keywords {};
while (calendars_iterator.has_next()) {
auto locale_calendars_path = TRY(next_path_from_dir_iterator(calendars_iterator));
LexicalPath calendars_path(move(locale_calendars_path));
if (!calendars_path.basename().starts_with("ca-"sv))
continue;
auto calendars = TRY(read_json_file(calendars_path.string()));
auto const& main_object = calendars.as_object().get_object("main"sv).value();
auto const& locale_object = main_object.get_object(calendars_path.parent().basename()).value();
auto const& dates_object = locale_object.get_object("dates"sv).value();
auto const& calendars_object = dates_object.get_object("calendars"sv).value();
calendars_object.for_each_member([&](auto calendar_name, JsonValue const&) {
// The generic calendar is not a supported Unicode calendar key, so skip it:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/calendar#unicode_calendar_keys
if (calendar_name == "generic"sv)
return;
if (auto calendar_alias = find_keyword_alias("ca"sv, calendar_name, cldr); calendar_alias.has_value())
calendar_name = calendar_alias.release_value();
keywords.append(cldr.unique_strings.ensure(calendar_name));
});
}
locale.calendar_keywords = cldr.unique_keyword_lists.ensure(move(keywords));
return {};
}
static void fill_in_collation_keywords(CLDR& cldr, LocaleData& locale)
{
// FIXME: If collation data becomes available in the CLDR, parse per-locale ordering from there.
auto create_list_with_default_first = [&](auto key, auto default_value) {
auto& values = cldr.keywords.find(key)->value;
quick_sort(values, [&](auto const& lhs, auto const& rhs) {
if (lhs == default_value)
return true;
if (rhs == default_value)
return false;
return lhs < rhs;
});
KeywordList keywords;
keywords.ensure_capacity(values.size());
for (auto const& value : values)
keywords.append(cldr.unique_strings.ensure(value));
return cldr.unique_keyword_lists.ensure(move(keywords));
};
static auto kf_index = create_list_with_default_first("kf"sv, "upper"sv);
static auto kn_index = create_list_with_default_first("kn"sv, "true"sv);
locale.collation_case_keywords = kf_index;
locale.collation_numeric_keywords = kn_index;
}
static ErrorOr<void> parse_default_content_locales(DeprecatedString core_path, CLDR& cldr)
{
LexicalPath default_content_path(move(core_path));
default_content_path = default_content_path.append("defaultContent.json"sv);
auto default_content = TRY(read_json_file(default_content_path.string()));
auto const& default_content_array = default_content.as_object().get_array("defaultContent"sv).value();
default_content_array.for_each([&](JsonValue const& value) {
auto locale = value.as_string();
StringView default_locale = locale;
while (true) {
if (cldr.locales.contains(default_locale))
break;
auto pos = default_locale.find_last('-');
if (!pos.has_value())
return;
default_locale = default_locale.substring_view(0, *pos);
}
if (default_locale != locale)
cldr.locale_aliases.append({ default_locale, move(locale) });
});
return {};
}
static ErrorOr<void> define_aliases_without_scripts(CLDR& cldr)
{
// From ECMA-402: https://tc39.es/ecma402/#sec-internal-slots
//
// For locales that include a script subtag in addition to language and region, the
// corresponding locale without a script subtag must also be supported.
//
// So we define aliases for locales that contain all three subtags, but we must also take
// care to handle when the locale itself or the locale without a script subtag are an alias
// by way of default-content locales.
auto find_alias = [&](auto const& locale) {
return cldr.locale_aliases.find_if([&](auto const& alias) { return locale == alias.alias; });
};
auto append_alias_without_script = [&](auto const& locale) -> ErrorOr<void> {
auto parsed_locale = TRY(CanonicalLanguageID::parse(cldr.unique_strings, locale));
if ((parsed_locale.language == 0) || (parsed_locale.script == 0) || (parsed_locale.region == 0))
return {};
auto locale_without_script = DeprecatedString::formatted("{}-{}",
cldr.unique_strings.get(parsed_locale.language),
cldr.unique_strings.get(parsed_locale.region));
if (cldr.locales.contains(locale_without_script))
return {};
if (find_alias(locale_without_script) != cldr.locale_aliases.end())
return {};
if (auto it = find_alias(locale); it != cldr.locale_aliases.end())
cldr.locale_aliases.append({ it->name, locale_without_script });
else
cldr.locale_aliases.append({ locale, locale_without_script });
return {};
};
for (auto const& locale : cldr.locales)
TRY(append_alias_without_script(locale.key));
for (auto const& locale : cldr.locale_aliases)
TRY(append_alias_without_script(locale.alias));
return {};
}
static ErrorOr<void> parse_all_locales(DeprecatedString bcp47_path, DeprecatedString core_path, DeprecatedString locale_names_path, DeprecatedString misc_path, DeprecatedString numbers_path, DeprecatedString dates_path, CLDR& cldr)
{
auto bcp47_iterator = TRY(path_to_dir_iterator(move(bcp47_path), "bcp47"sv));
auto identity_iterator = TRY(path_to_dir_iterator(locale_names_path));
auto preprocess_iterator = TRY(path_to_dir_iterator(locale_names_path));
auto locale_names_iterator = TRY(path_to_dir_iterator(move(locale_names_path)));
auto misc_iterator = TRY(path_to_dir_iterator(move(misc_path)));
auto numbers_iterator = TRY(path_to_dir_iterator(move(numbers_path)));
auto dates_iterator = TRY(path_to_dir_iterator(move(dates_path)));
LexicalPath core_supplemental_path(core_path);
core_supplemental_path = core_supplemental_path.append("supplemental"sv);
VERIFY(Core::DeprecatedFile::is_directory(core_supplemental_path.string()));
TRY(parse_core_aliases(core_supplemental_path.string(), cldr));
TRY(parse_likely_subtags(core_supplemental_path.string(), cldr));
auto remove_variants_from_path = [&](DeprecatedString path) -> ErrorOr<DeprecatedString> {
auto parsed_locale = TRY(CanonicalLanguageID::parse(cldr.unique_strings, LexicalPath::basename(path)));
StringBuilder builder;
builder.append(cldr.unique_strings.get(parsed_locale.language));
if (auto script = cldr.unique_strings.get(parsed_locale.script); !script.is_empty())
builder.appendff("-{}", script);
if (auto region = cldr.unique_strings.get(parsed_locale.region); !region.is_empty())
builder.appendff("-{}", region);
return builder.to_deprecated_string();
};
while (identity_iterator.has_next()) {
auto locale_path = TRY(next_path_from_dir_iterator(identity_iterator));
auto language = TRY(remove_variants_from_path(locale_path));
auto& locale = cldr.locales.ensure(language);
TRY(parse_identity(locale_path, cldr, locale));
}
while (preprocess_iterator.has_next()) {
auto locale_path = TRY(next_path_from_dir_iterator(preprocess_iterator));
TRY(preprocess_languages(locale_path, cldr));
}
quick_sort(cldr.languages);
quick_sort(cldr.territories);
quick_sort(cldr.scripts);
while (bcp47_iterator.has_next()) {
auto bcp47_path = TRY(next_path_from_dir_iterator(bcp47_iterator));
TRY(parse_unicode_extension_keywords(move(bcp47_path), cldr));
}
while (locale_names_iterator.has_next()) {
auto locale_path = TRY(next_path_from_dir_iterator(locale_names_iterator));
auto language = TRY(remove_variants_from_path(locale_path));
auto& locale = cldr.locales.ensure(language);
TRY(parse_locale_display_patterns(locale_path, cldr, locale));
TRY(parse_locale_languages(locale_path, cldr, locale));
TRY(parse_locale_territories(locale_path, cldr, locale));
TRY(parse_locale_scripts(locale_path, cldr, locale));
TRY(parse_locale_calendars(locale_path, cldr, locale));
}
while (misc_iterator.has_next()) {
auto misc_path = TRY(next_path_from_dir_iterator(misc_iterator));
auto language = TRY(remove_variants_from_path(misc_path));
auto& locale = cldr.locales.ensure(language);
TRY(parse_locale_list_patterns(misc_path, cldr, locale));
TRY(parse_locale_layout(misc_path, cldr, locale));
}
while (numbers_iterator.has_next()) {
auto numbers_path = TRY(next_path_from_dir_iterator(numbers_iterator));
auto language = TRY(remove_variants_from_path(numbers_path));
auto& locale = cldr.locales.ensure(language);
TRY(parse_locale_currencies(numbers_path, cldr, locale));
TRY(parse_number_system_keywords(numbers_path, cldr, locale));
fill_in_collation_keywords(cldr, locale);
}
while (dates_iterator.has_next()) {
auto dates_path = TRY(next_path_from_dir_iterator(dates_iterator));
auto language = TRY(remove_variants_from_path(dates_path));
auto& locale = cldr.locales.ensure(language);
TRY(parse_locale_date_fields(dates_path, cldr, locale));
TRY(parse_calendar_keywords(dates_path, cldr, locale));
}
TRY(parse_default_content_locales(move(core_path), cldr));
TRY(define_aliases_without_scripts(cldr));
return {};
}
static ErrorOr<void> generate_unicode_locale_header(Core::BufferedFile& file, CLDR& cldr)
{
StringBuilder builder;
SourceGenerator generator { builder };
generator.append(R"~~~(
#pragma once
#include <AK/Types.h>
namespace Locale {
)~~~");
auto locales = cldr.locales.keys();
auto keywords = cldr.keywords.keys();
generate_enum(generator, format_identifier, "Locale"sv, "None"sv, locales, cldr.locale_aliases);
generate_enum(generator, format_identifier, "Language"sv, {}, cldr.languages);
generate_enum(generator, format_identifier, "Territory"sv, {}, cldr.territories);
generate_enum(generator, format_identifier, "ScriptTag"sv, {}, cldr.scripts);
generate_enum(generator, format_identifier, "Currency"sv, {}, cldr.currencies);
generate_enum(generator, format_identifier, "DateField"sv, {}, cldr.date_fields, cldr.date_field_aliases);
generate_enum(generator, format_identifier, "Variant"sv, {}, cldr.variants);
generate_enum(generator, format_identifier, "ListPatternType"sv, {}, cldr.list_pattern_types);
generate_enum(generator, format_identifier, "CharacterOrder"sv, {}, cldr.character_orders);
generate_enum(generator, format_identifier, "Key"sv, {}, keywords);
for (auto& keyword : cldr.keywords) {
auto const& keyword_name = cldr.keyword_names.find(keyword.key)->value;
auto enum_name = DeprecatedString::formatted("Keyword{}", format_identifier({}, keyword_name));
if (auto aliases = cldr.keyword_aliases.find(keyword.key); aliases != cldr.keyword_aliases.end())
generate_enum(generator, format_identifier, enum_name, {}, keyword.value, aliases->value);
else
generate_enum(generator, format_identifier, enum_name, {}, keyword.value);
}
generator.append(R"~~~(
}
)~~~");
TRY(file.write(generator.as_string_view().bytes()));
return {};
}
static ErrorOr<void> generate_unicode_locale_implementation(Core::BufferedFile& file, CLDR& cldr)
{
auto string_index_type = cldr.unique_strings.type_that_fits();
StringBuilder builder;
SourceGenerator generator { builder };
generator.set("string_index_type"sv, string_index_type);
generator.set("locales_size"sv, DeprecatedString::number(cldr.locales.size()));
generator.set("territories_size", DeprecatedString::number(cldr.territories.size()));
generator.set("variants_size", DeprecatedString::number(cldr.max_variant_size));
generator.append(R"~~~(
#include <AK/Array.h>
#include <AK/BinarySearch.h>
#include <AK/Optional.h>
#include <AK/Span.h>
#include <AK/String.h>
#include <AK/StringView.h>
#include <AK/Vector.h>
#include <LibLocale/DateTimeFormat.h>
#include <LibLocale/Locale.h>
#include <LibLocale/LocaleData.h>
#include <LibUnicode/CurrencyCode.h>
namespace Locale {
)~~~");
cldr.unique_strings.generate(generator);
generator.append(R"~~~(
struct DisplayPatternImpl {
DisplayPattern to_display_pattern() const
{
DisplayPattern display_patterns {};
display_patterns.locale_pattern = decode_string(locale_pattern);
display_patterns.locale_separator = decode_string(locale_separator);
return display_patterns;
}
@string_index_type@ locale_pattern { 0 };
@string_index_type@ locale_separator { 0 };
};
struct Patterns {
ListPatternType type;
Style style;
@string_index_type@ start { 0 };
@string_index_type@ middle { 0 };
@string_index_type@ end { 0 };
@string_index_type@ pair { 0 };
};
struct TextLayout {
CharacterOrder character_order;
};
)~~~");
generate_available_values(generator, "get_available_calendars"sv, cldr.keywords.find("ca"sv)->value, cldr.keyword_aliases.find("ca"sv)->value,
[](auto calendar) {
// FIXME: Remove this filter when we support all calendars.
return calendar.is_one_of("gregory"sv, "iso8601"sv);
});
generate_available_values(generator, "get_available_collation_case_orderings"sv, cldr.keywords.find("kf"sv)->value, cldr.keyword_aliases.find("kf"sv)->value);
generate_available_values(generator, "get_available_collation_numeric_orderings"sv, cldr.keywords.find("kn"sv)->value, cldr.keyword_aliases.find("kn"sv)->value);
generate_available_values(generator, "get_available_collation_types"sv, cldr.keywords.find("co"sv)->value, cldr.keyword_aliases.find("co"sv)->value,
[](auto collation) {
// FIXME: Remove this filter when we support all collation types.
return collation == "default"sv;
});
generate_available_values(generator, "get_available_hour_cycles"sv, cldr.keywords.find("hc"sv)->value);
generate_available_values(generator, "get_available_number_systems"sv, cldr.keywords.find("nu"sv)->value);
generate_available_values(generator, "get_available_currencies"sv, cldr.currencies);
generator.append(R"~~~(
ReadonlySpan<StringView> get_available_keyword_values(StringView key)
{
auto key_value = key_from_string(key);
if (!key_value.has_value())
return {};
switch (*key_value) {
case Key::Ca:
return get_available_calendars();
case Key::Co:
return get_available_collation_types();
case Key::Hc:
return get_available_hour_cycles();
case Key::Kf:
return get_available_collation_case_orderings();
case Key::Kn:
return get_available_collation_numeric_orderings();
case Key::Nu:
return get_available_number_systems();
}
VERIFY_NOT_REACHED();
}
)~~~");
cldr.unique_display_patterns.generate(generator, "DisplayPatternImpl"sv, "s_display_patterns"sv, 30);
cldr.unique_language_lists.generate(generator, string_index_type, "s_language_lists"sv);
cldr.unique_territory_lists.generate(generator, string_index_type, "s_territory_lists"sv);
cldr.unique_script_lists.generate(generator, string_index_type, "s_script_lists"sv);
cldr.unique_currency_lists.generate(generator, string_index_type, "s_currency_lists"sv);
cldr.unique_calendar_lists.generate(generator, string_index_type, "s_calendar_lists"sv);
cldr.unique_date_field_lists.generate(generator, string_index_type, "s_date_field_lists"sv);
cldr.unique_keyword_lists.generate(generator, string_index_type, "s_keyword_lists"sv);
cldr.unique_list_patterns.generate(generator, "Patterns"sv, "s_list_patterns"sv, 10);
cldr.unique_list_pattern_lists.generate(generator, cldr.unique_list_patterns.type_that_fits(), "s_list_pattern_lists"sv);
cldr.unique_text_layouts.generate(generator, "TextLayout"sv, "s_text_layouts"sv, 30);
auto append_index = [&](auto index) {
generator.append(DeprecatedString::formatted(", {}", index));
};
auto append_list_and_size = [&](auto const& list) {
if (list.is_empty()) {
generator.append(", {}, 0");
return;
}
bool first = true;
generator.append(", {");
for (auto const& item : list) {
generator.append(first ? " "sv : ", "sv);
generator.append(DeprecatedString::number(item));
first = false;
}
generator.append(DeprecatedString::formatted(" }}, {}", list.size()));
};
auto append_mapping = [&](auto const& keys, auto const& map, auto type, auto name, auto mapping_getter) {
generator.set("type", type);
generator.set("name", name);
generator.set("size", DeprecatedString::number(keys.size()));
generator.append(R"~~~(
static constexpr Array<@type@, @size@> @name@ { {)~~~");
bool first = true;
for (auto const& key : keys) {
auto const& value = map.find(key)->value;
auto mapping = mapping_getter(value);
generator.append(first ? " "sv : ", "sv);
generator.append(DeprecatedString::number(mapping));
first = false;
}
generator.append(" } };");
};
auto locales = cldr.locales.keys();
quick_sort(locales);
append_mapping(locales, cldr.locales, cldr.unique_display_patterns.type_that_fits(), "s_locale_display_patterns"sv, [&](auto const& locale) { return locale.display_patterns; });
append_mapping(locales, cldr.locales, cldr.unique_language_lists.type_that_fits(), "s_languages"sv, [&](auto const& locale) { return locale.languages; });
append_mapping(locales, cldr.locales, cldr.unique_territory_lists.type_that_fits(), "s_territories"sv, [&](auto const& locale) { return locale.territories; });
append_mapping(locales, cldr.locales, cldr.unique_script_lists.type_that_fits(), "s_scripts"sv, [&](auto const& locale) { return locale.scripts; });
append_mapping(locales, cldr.locales, cldr.unique_currency_lists.type_that_fits(), "s_long_currencies"sv, [&](auto const& locale) { return locale.long_currencies; });
append_mapping(locales, cldr.locales, cldr.unique_currency_lists.type_that_fits(), "s_short_currencies"sv, [&](auto const& locale) { return locale.short_currencies; });
append_mapping(locales, cldr.locales, cldr.unique_currency_lists.type_that_fits(), "s_narrow_currencies"sv, [&](auto const& locale) { return locale.narrow_currencies; });
append_mapping(locales, cldr.locales, cldr.unique_currency_lists.type_that_fits(), "s_numeric_currencies"sv, [&](auto const& locale) { return locale.numeric_currencies; });
append_mapping(locales, cldr.locales, cldr.unique_calendar_lists.type_that_fits(), "s_calendars"sv, [&](auto const& locale) { return locale.calendars; });
append_mapping(locales, cldr.locales, cldr.unique_date_field_lists.type_that_fits(), "s_long_date_fields"sv, [&](auto const& locale) { return locale.long_date_fields; });
append_mapping(locales, cldr.locales, cldr.unique_date_field_lists.type_that_fits(), "s_short_date_fields"sv, [&](auto const& locale) { return locale.short_date_fields; });
append_mapping(locales, cldr.locales, cldr.unique_date_field_lists.type_that_fits(), "s_narrow_date_fields"sv, [&](auto const& locale) { return locale.narrow_date_fields; });
append_mapping(locales, cldr.locales, cldr.unique_keyword_lists.type_that_fits(), "s_calendar_keywords"sv, [&](auto const& locale) { return locale.calendar_keywords; });
append_mapping(locales, cldr.locales, cldr.unique_keyword_lists.type_that_fits(), "s_collation_case_keywords"sv, [&](auto const& locale) { return locale.collation_case_keywords; });
append_mapping(locales, cldr.locales, cldr.unique_keyword_lists.type_that_fits(), "s_collation_numeric_keywords"sv, [&](auto const& locale) { return locale.collation_numeric_keywords; });
append_mapping(locales, cldr.locales, cldr.unique_keyword_lists.type_that_fits(), "s_number_system_keywords"sv, [&](auto const& locale) { return locale.number_system_keywords; });
append_mapping(locales, cldr.locales, cldr.unique_list_pattern_lists.type_that_fits(), "s_locale_list_patterns"sv, [&](auto const& locale) { return locale.list_patterns; });
append_mapping(locales, cldr.locales, cldr.unique_text_layouts.type_that_fits(), "s_locale_text_layouts"sv, [&](auto const& locale) { return locale.text_layout; });
generator.append(R"~~~(
struct CanonicalLanguageID
{
ErrorOr<LanguageID> to_unicode_language_id() const
{
LanguageID language_id {};
TRY(language_id.variants.try_ensure_capacity(variants_size));
language_id.language = TRY(String::from_utf8(decode_string(language)));
if (script != 0)
language_id.script = TRY(String::from_utf8(decode_string(script)));
if (region != 0)
language_id.region = TRY(String::from_utf8(decode_string(region)));
for (size_t i = 0; i < variants_size; ++i)
language_id.variants.append(TRY(String::from_utf8(decode_string(variants[i]))));
return language_id;
}
bool matches_variants(Vector<String> const& other_variants) const {
if (variants_size == 0)
return true;
if (other_variants.size() != variants_size)
return false;
for (size_t i = 0; i < variants_size; ++i) {
if (decode_string(variants[i]) != other_variants[i])
return false;
}
return true;
};
@string_index_type@ language { 0 };
@string_index_type@ script { 0 };
@string_index_type@ region { 0 };
Array<@string_index_type@, @variants_size@> variants {};
size_t variants_size { 0 };
};
struct LanguageMapping {
CanonicalLanguageID key;
CanonicalLanguageID alias;
};
)~~~");
auto append_complex_mapping = [&](StringView name, auto& mappings) {
generator.set("size", DeprecatedString::number(mappings.size()));
generator.set("name"sv, name);
generator.append(R"~~~(
static constexpr Array<LanguageMapping, @size@> s_@name@ { {
)~~~");
quick_sort(mappings, [&](auto const& lhs, auto const& rhs) {
auto const& lhs_language = cldr.unique_strings.get(lhs.key.language);
auto const& rhs_language = cldr.unique_strings.get(rhs.key.language);
// Sort the keys such that "und" language tags are at the end, as those are less specific.
if (lhs_language.starts_with("und"sv) && !rhs_language.starts_with("und"sv))
return false;
if (!lhs_language.starts_with("und"sv) && rhs_language.starts_with("und"sv))
return true;
return lhs_language < rhs_language;
});
for (auto const& mapping : mappings) {
generator.set("language"sv, DeprecatedString::number(mapping.key.language));
generator.append(" { { @language@");
append_index(mapping.key.script);
append_index(mapping.key.region);
append_list_and_size(mapping.key.variants);
generator.set("language"sv, DeprecatedString::number(mapping.alias.language));
generator.append(" }, { @language@");
append_index(mapping.alias.script);
append_index(mapping.alias.region);
append_list_and_size(mapping.alias.variants);
generator.append(" } },\n");
}
generator.append("} };\n");
};
append_complex_mapping("complex_alias"sv, cldr.complex_mappings);
append_complex_mapping("likely_subtags"sv, cldr.likely_subtags);
generator.append(R"~~~(
static LanguageMapping const* resolve_likely_subtag(LanguageID const& language_id)
{
// https://unicode.org/reports/tr35/#Likely_Subtags
enum class State {
LanguageScriptRegion,
LanguageRegion,
LanguageScript,
Language,
UndScript,
Done,
};
auto state = State::LanguageScriptRegion;
while (state != State::Done) {
LanguageID search_key;
switch (state) {
case State::LanguageScriptRegion:
state = State::LanguageRegion;
if (!language_id.script.has_value() || !language_id.region.has_value())
continue;
search_key.language = *language_id.language;
search_key.script = *language_id.script;
search_key.region = *language_id.region;
break;
case State::LanguageRegion:
state = State::LanguageScript;
if (!language_id.region.has_value())
continue;
search_key.language = *language_id.language;
search_key.region = *language_id.region;
break;
case State::LanguageScript:
state = State::Language;
if (!language_id.script.has_value())
continue;
search_key.language = *language_id.language;
search_key.script = *language_id.script;
break;
case State::Language:
state = State::UndScript;
search_key.language = *language_id.language;
break;
case State::UndScript:
state = State::Done;
if (!language_id.script.has_value())
continue;
search_key.language = "und"_short_string;
search_key.script = *language_id.script;
break;
default:
VERIFY_NOT_REACHED();
}
for (auto const& map : s_likely_subtags) {
auto const& key_language = decode_string(map.key.language);
auto const& key_script = decode_string(map.key.script);
auto const& key_region = decode_string(map.key.region);
if (key_language != search_key.language)
continue;
if (!key_script.is_empty() || search_key.script.has_value()) {
if (key_script != search_key.script)
continue;
}
if (!key_region.is_empty() || search_key.region.has_value()) {
if (key_region != search_key.region)
continue;
}
return &map;
}
}
return nullptr;
}
)~~~");
auto append_mapping_search = [&](StringView enum_snake, StringView from_string_name, StringView collection_name, StringView unique_list) {
generator.set("enum_snake", enum_snake);
generator.set("from_string_name", from_string_name);
generator.set("collection_name", collection_name);
generator.set("unique_list", unique_list);
generator.append(R"~~~(
Optional<StringView> get_locale_@enum_snake@_mapping(StringView locale, StringView @enum_snake@)
{
auto locale_value = locale_from_string(locale);
if (!locale_value.has_value())
return {};
auto @enum_snake@_value = @from_string_name@_from_string(@enum_snake@);
if (!@enum_snake@_value.has_value())
return {};
auto locale_index = to_underlying(*locale_value) - 1; // Subtract 1 because 0 == Locale::None.
auto @enum_snake@_index = to_underlying(*@enum_snake@_value);
auto mapping_index = @collection_name@.at(locale_index);
auto const& mappings = @unique_list@.at(mapping_index);
auto @enum_snake@_string_index = mappings.at(@enum_snake@_index);
auto @enum_snake@_mapping = decode_string(@enum_snake@_string_index);
if (@enum_snake@_mapping.is_empty())
return {};
return @enum_snake@_mapping;
}
)~~~");
};
auto append_from_string = [&](StringView enum_title, StringView enum_snake, auto const& values, Vector<Alias> const& aliases = {}) -> ErrorOr<void> {
HashValueMap<DeprecatedString> hashes;
TRY(hashes.try_ensure_capacity(values.size()));
for (auto const& value : values)
hashes.set(value.hash(), format_identifier(enum_title, value));
for (auto const& alias : aliases)
hashes.set(alias.alias.hash(), format_identifier(enum_title, alias.alias));
generate_value_from_string(generator, "{}_from_string"sv, enum_title, enum_snake, move(hashes));
return {};
};
auto append_alias_search = [&](StringView enum_snake, auto const& aliases) -> ErrorOr<void> {
HashValueMap<size_t> hashes;
TRY(hashes.try_ensure_capacity(aliases.size()));
for (auto const& alias : aliases)
hashes.set(alias.key.hash(), alias.value);
ValueFromStringOptions options {};
options.return_type = "StringView"sv;
options.return_format = "decode_string({})"sv;
generate_value_from_string(generator, "resolve_{}_alias"sv, string_index_type, enum_snake, move(hashes), options);
return {};
};
TRY(append_from_string("Locale"sv, "locale"sv, cldr.locales.keys(), cldr.locale_aliases));
TRY(append_from_string("Language"sv, "language"sv, cldr.languages));
append_mapping_search("language"sv, "language"sv, "s_languages"sv, "s_language_lists"sv);
TRY(append_alias_search("language"sv, cldr.language_aliases));
TRY(append_from_string("Territory"sv, "territory"sv, cldr.territories));
append_mapping_search("territory"sv, "territory"sv, "s_territories"sv, "s_territory_lists"sv);
TRY(append_alias_search("territory"sv, cldr.territory_aliases));
TRY(append_from_string("ScriptTag"sv, "script_tag"sv, cldr.scripts));
append_mapping_search("script"sv, "script_tag"sv, "s_scripts"sv, "s_script_lists"sv);
TRY(append_alias_search("script_tag"sv, cldr.script_aliases));
TRY(append_from_string("Currency"sv, "currency"sv, cldr.currencies));
append_mapping_search("long_currency"sv, "currency"sv, "s_long_currencies"sv, "s_currency_lists"sv);
append_mapping_search("short_currency"sv, "currency"sv, "s_short_currencies"sv, "s_currency_lists"sv);
append_mapping_search("narrow_currency"sv, "currency"sv, "s_narrow_currencies"sv, "s_currency_lists"sv);
append_mapping_search("numeric_currency"sv, "currency"sv, "s_numeric_currencies"sv, "s_currency_lists"sv);
TRY(append_from_string("DateField"sv, "date_field"sv, cldr.date_fields, cldr.date_field_aliases));
append_mapping_search("long_date_field"sv, "date_field"sv, "s_long_date_fields"sv, "s_date_field_lists"sv);
append_mapping_search("short_date_field"sv, "date_field"sv, "s_short_date_fields"sv, "s_date_field_lists"sv);
append_mapping_search("narrow_date_field"sv, "date_field"sv, "s_narrow_date_fields"sv, "s_date_field_lists"sv);
TRY(append_from_string("Key"sv, "key"sv, cldr.keywords.keys()));
for (auto const& keyword : cldr.keywords) {
auto const& keyword_name = cldr.keyword_names.find(keyword.key)->value;
auto enum_name = DeprecatedString::formatted("Keyword{}", format_identifier({}, keyword_name));
auto enum_snake = DeprecatedString::formatted("keyword_{}", keyword.key);
if (auto aliases = cldr.keyword_aliases.find(keyword.key); aliases != cldr.keyword_aliases.end())
TRY(append_from_string(enum_name, enum_snake, keyword.value, aliases->value));
else
TRY(append_from_string(enum_name, enum_snake, keyword.value));
}
append_mapping_search("calendar"sv, "keyword_ca"sv, "s_calendars"sv, "s_calendar_lists"sv);
TRY(append_alias_search("variant"sv, cldr.variant_aliases));
TRY(append_alias_search("subdivision"sv, cldr.subdivision_aliases));
TRY(append_from_string("ListPatternType"sv, "list_pattern_type"sv, cldr.list_pattern_types));
TRY(append_from_string("CharacterOrder"sv, "character_order"sv, cldr.character_orders));
generate_value_to_string(generator, "{}_to_string"sv, "CharacterOrder"sv, "character_order"sv, format_identifier, cldr.character_orders);
generator.append(R"~~~(
static ReadonlySpan<@string_index_type@> find_keyword_indices(StringView locale, StringView key)
{
auto locale_value = locale_from_string(locale);
if (!locale_value.has_value())
return {};
auto key_value = key_from_string(key);
if (!key_value.has_value())
return {};
auto locale_index = to_underlying(*locale_value) - 1; // Subtract 1 because 0 == Locale::None.
size_t keywords_index = 0;
switch (*key_value) {
case Key::Ca:
keywords_index = s_calendar_keywords.at(locale_index);
break;
case Key::Kf:
keywords_index = s_collation_case_keywords.at(locale_index);
break;
case Key::Kn:
keywords_index = s_collation_numeric_keywords.at(locale_index);
break;
case Key::Nu:
keywords_index = s_number_system_keywords.at(locale_index);
break;
default:
VERIFY_NOT_REACHED();
}
return s_keyword_lists.at(keywords_index);
}
ErrorOr<Optional<StringView>> get_preferred_keyword_value_for_locale(StringView locale, StringView key)
{
// Hour cycle keywords are region-based rather than locale-based, so they need to be handled specially.
// FIXME: Calendar keywords are also region-based, and will need to be handled here when we support non-Gregorian calendars:
// https://github.com/unicode-org/cldr-json/blob/main/cldr-json/cldr-core/supplemental/calendarPreferenceData.json
if (key == "hc"sv) {
auto hour_cycles = TRY(get_locale_hour_cycles(locale));
if (hour_cycles.is_empty())
return OptionalNone {};
return Optional<StringView> { hour_cycle_to_string(hour_cycles[0]) };
}
// FIXME: Generate locale-preferred collation data when available in the CLDR.
if (key == "co"sv) {
auto collations = get_available_collation_types();
if (collations.is_empty())
return OptionalNone {};
return Optional<StringView> { collations[0] };
}
auto keyword_indices = find_keyword_indices(locale, key);
if (keyword_indices.is_empty())
return OptionalNone {};
return Optional<StringView> { decode_string(keyword_indices[0]) };
}
ErrorOr<Vector<StringView>> get_keywords_for_locale(StringView locale, StringView key)
{
// Hour cycle keywords are region-based rather than locale-based, so they need to be handled specially.
// FIXME: Calendar keywords are also region-based, and will need to be handled here when we support non-Gregorian calendars:
// https://github.com/unicode-org/cldr-json/blob/main/cldr-json/cldr-core/supplemental/calendarPreferenceData.json
if (key == "hc"sv) {
auto hour_cycles = TRY(get_locale_hour_cycles(locale));
Vector<StringView> values;
TRY(values.try_ensure_capacity(hour_cycles.size()));
for (auto hour_cycle : hour_cycles)
values.unchecked_append(hour_cycle_to_string(hour_cycle));
return values;
}
// FIXME: Generate locale-preferred collation data when available in the CLDR.
if (key == "co"sv)
return Vector<StringView> { get_available_collation_types() };
auto keyword_indices = find_keyword_indices(locale, key);
Vector<StringView> keywords;
TRY(keywords.try_ensure_capacity(keyword_indices.size()));
for (auto keyword : keyword_indices)
keywords.unchecked_append(decode_string(keyword));
return keywords;
}
Optional<DisplayPattern> get_locale_display_patterns(StringView locale)
{
auto locale_value = locale_from_string(locale);
if (!locale_value.has_value())
return {};
auto locale_index = to_underlying(*locale_value) - 1; // Subtract 1 because 0 == Locale::None.
auto display_patterns_index = s_locale_display_patterns.at(locale_index);
auto const& display_patterns = s_display_patterns.at(display_patterns_index);
return display_patterns.to_display_pattern();
}
Optional<ListPatterns> get_locale_list_patterns(StringView locale, StringView list_pattern_type, Style list_pattern_style)
{
auto locale_value = locale_from_string(locale);
if (!locale_value.has_value())
return {};
auto type_value = list_pattern_type_from_string(list_pattern_type);
if (!type_value.has_value())
return {};
auto locale_index = to_underlying(*locale_value) - 1; // Subtract 1 because 0 == Locale::None.
auto list_patterns_list_index = s_locale_list_patterns.at(locale_index);
auto const& locale_list_patterns = s_list_pattern_lists.at(list_patterns_list_index);
for (auto list_patterns_index : locale_list_patterns) {
auto const& list_patterns = s_list_patterns.at(list_patterns_index);
if ((list_patterns.type == type_value) && (list_patterns.style == list_pattern_style)) {
auto const& start = decode_string(list_patterns.start);
auto const& middle = decode_string(list_patterns.middle);
auto const& end = decode_string(list_patterns.end);
auto const& pair = decode_string(list_patterns.pair);
return ListPatterns { start, middle, end, pair };
}
}
return {};
}
static Optional<TextLayout> text_layout_for_locale(StringView locale)
{
auto locale_value = locale_from_string(locale);
if (!locale_value.has_value())
return {};
auto locale_index = to_underlying(*locale_value) - 1; // Subtract 1 because 0 == Locale::None.
auto text_layouts_index = s_locale_text_layouts.at(locale_index);
return s_text_layouts.at(text_layouts_index);
}
Optional<CharacterOrder> character_order_for_locale(StringView locale)
{
if (auto text_layout = text_layout_for_locale(locale); text_layout.has_value())
return text_layout->character_order;
return {};
}
ErrorOr<void> resolve_complex_language_aliases(LanguageID& language_id)
{
for (auto const& map : s_complex_alias) {
auto key_language = decode_string(map.key.language);
auto key_script = decode_string(map.key.script);
auto key_region = decode_string(map.key.region);
if ((key_language != language_id.language) && (key_language != "und"sv))
continue;
if (!key_script.is_empty() && (key_script != language_id.script))
continue;
if (!key_region.is_empty() && (key_region != language_id.region))
continue;
if (!map.key.matches_variants(language_id.variants))
continue;
auto alias = TRY(map.alias.to_unicode_language_id());
if (alias.language == "und"sv)
alias.language = move(language_id.language);
if (key_script.is_empty() && !alias.script.has_value())
alias.script = move(language_id.script);
if (key_region.is_empty() && !alias.region.has_value())
alias.region = move(language_id.region);
if (map.key.variants_size == 0 && alias.variants.is_empty())
alias.variants = move(language_id.variants);
language_id = move(alias);
break;
}
return {};
}
ErrorOr<Optional<LanguageID>> add_likely_subtags(LanguageID const& language_id)
{
// https://www.unicode.org/reports/tr35/#Likely_Subtags
auto const* likely_subtag = resolve_likely_subtag(language_id);
if (likely_subtag == nullptr)
return OptionalNone {};
auto maximized = language_id;
auto key_script = decode_string(likely_subtag->key.script);
auto key_region = decode_string(likely_subtag->key.region);
auto alias_language = decode_string(likely_subtag->alias.language);
auto alias_script = decode_string(likely_subtag->alias.script);
auto alias_region = decode_string(likely_subtag->alias.region);
if (maximized.language == "und"sv)
maximized.language = TRY(String::from_utf8(alias_language));
if (!maximized.script.has_value() || (!key_script.is_empty() && !alias_script.is_empty()))
maximized.script = TRY(String::from_utf8(alias_script));
if (!maximized.region.has_value() || (!key_region.is_empty() && !alias_region.is_empty()))
maximized.region = TRY(String::from_utf8(alias_region));
return maximized;
}
ErrorOr<Optional<String>> resolve_most_likely_territory(LanguageID const& language_id)
{
if (auto const* likely_subtag = resolve_likely_subtag(language_id); likely_subtag != nullptr)
return String::from_utf8(decode_string(likely_subtag->alias.region));
return OptionalNone {};
}
}
)~~~");
TRY(file.write(generator.as_string_view().bytes()));
return {};
}
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
StringView generated_header_path;
StringView generated_implementation_path;
StringView bcp47_path;
StringView core_path;
StringView locale_names_path;
StringView misc_path;
StringView numbers_path;
StringView dates_path;
Core::ArgsParser args_parser;
args_parser.add_option(generated_header_path, "Path to the Unicode locale header file to generate", "generated-header-path", 'h', "generated-header-path");
args_parser.add_option(generated_implementation_path, "Path to the Unicode locale implementation file to generate", "generated-implementation-path", 'c', "generated-implementation-path");
args_parser.add_option(bcp47_path, "Path to cldr-bcp47 directory", "bcp47-path", 'b', "bcp47-path");
args_parser.add_option(core_path, "Path to cldr-core directory", "core-path", 'r', "core-path");
args_parser.add_option(locale_names_path, "Path to cldr-localenames directory", "locale-names-path", 'l', "locale-names-path");
args_parser.add_option(misc_path, "Path to cldr-misc directory", "misc-path", 'm', "misc-path");
args_parser.add_option(numbers_path, "Path to cldr-numbers directory", "numbers-path", 'n', "numbers-path");
args_parser.add_option(dates_path, "Path to cldr-dates directory", "dates-path", 'd', "dates-path");
args_parser.parse(arguments);
auto generated_header_file = TRY(open_file(generated_header_path, Core::File::OpenMode::Write));
auto generated_implementation_file = TRY(open_file(generated_implementation_path, Core::File::OpenMode::Write));
CLDR cldr;
TRY(parse_all_locales(bcp47_path, core_path, locale_names_path, misc_path, numbers_path, dates_path, cldr));
TRY(generate_unicode_locale_header(*generated_header_file, cldr));
TRY(generate_unicode_locale_implementation(*generated_implementation_file, cldr));
return 0;
}