90 lines
3.2 KiB
C++
90 lines
3.2 KiB
C++
/*
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* Copyright (c) 2021-2022, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/Array.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Intl/Locale.h>
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#include <LibUnicode/Locale.h>
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namespace JS::Intl {
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Locale* Locale::create(GlobalObject& global_object, Unicode::LocaleID const& locale_id)
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{
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return global_object.heap().allocate<Locale>(global_object, locale_id, *global_object.intl_locale_prototype());
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}
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// 14 Locale Objects, https://tc39.es/ecma402/#locale-objects
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Locale::Locale(Object& prototype)
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: Object(prototype)
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{
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}
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Locale::Locale(Unicode::LocaleID const& locale_id, Object& prototype)
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: Object(prototype)
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{
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set_locale(locale_id.to_string());
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for (auto const& extension : locale_id.extensions) {
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if (!extension.has<Unicode::LocaleExtension>())
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continue;
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for (auto const& keyword : extension.get<Unicode::LocaleExtension>().keywords) {
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if (keyword.key == "ca"sv) {
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set_calendar(keyword.value);
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} else if (keyword.key == "co"sv) {
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set_collation(keyword.value);
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} else if (keyword.key == "hc"sv) {
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set_hour_cycle(keyword.value);
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} else if (keyword.key == "kf"sv) {
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set_case_first(keyword.value);
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} else if (keyword.key == "kn"sv) {
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set_numeric(keyword.value.is_empty());
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} else if (keyword.key == "nu"sv) {
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set_numbering_system(keyword.value);
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}
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}
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break;
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}
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}
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// 1.1.1 CreateArrayFromListOrRestricted ( list , restricted )
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static Array* create_array_from_list_or_restricted(GlobalObject& global_object, Vector<StringView> list, Optional<String> restricted)
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{
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auto& vm = global_object.vm();
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// 1. If restricted is not undefined, then
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if (restricted.has_value()) {
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// a. Set list to « restricted ».
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list = { *restricted };
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}
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// 2. Return ! CreateArrayFromList( list ).
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return Array::create_from<StringView>(global_object, list, [&vm](auto value) {
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return js_string(vm, value);
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});
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}
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// 1.1.2 CalendarsOfLocale ( loc ), https://tc39.es/proposal-intl-locale-info/#sec-calendars-of-locale
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Array* calendars_of_locale(GlobalObject& global_object, Locale const& locale_object)
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{
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// 1. Let restricted be loc.[[Calendar]].
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Optional<String> restricted = locale_object.has_calendar() ? locale_object.calendar() : Optional<String> {};
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// 2. Let locale be loc.[[Locale]].
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auto const& locale = locale_object.locale();
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// 3. Assert: locale matches the unicode_locale_id production.
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VERIFY(Unicode::parse_unicode_locale_id(locale).has_value());
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// 4. Let list be a List of 1 or more unique canonical calendar identifiers, which must be lower case String values conforming to the type sequence from UTS 35 Unicode Locale Identifier, section 3.2, sorted in descending preference of those in common use for date and time formatting in locale.
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auto list = Unicode::get_keywords_for_locale(locale, "ca"sv);
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// 5. Return ! CreateArrayFromListOrRestricted( list, restricted ).
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return create_array_from_list_or_restricted(global_object, move(list), move(restricted));
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}
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}
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