7025dd1fa7
Thread UTF-16 string input through JSON, script parsing, Date parsing, Intl option parsing, Temporal parsing, and the helper library boundaries that feed those parsers. Preserve ASCII fast paths where the source data is known to be ASCII.
94 lines
3.9 KiB
C++
94 lines
3.9 KiB
C++
/*
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* Copyright (c) 2022, Idan Horowitz <idan.horowitz@serenityos.org>
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* Copyright (c) 2023-2025, Tim Flynn <trflynn89@ladybird.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/AbstractOperations.h>
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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/AbstractOperations.h>
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#include <LibJS/Runtime/Intl/Segmenter.h>
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#include <LibJS/Runtime/Intl/SegmenterConstructor.h>
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namespace JS::Intl {
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GC_DEFINE_ALLOCATOR(SegmenterConstructor);
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// 19.1 The Intl.Segmenter Constructor, https://tc39.es/ecma402/#sec-intl-segmenter-constructor
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SegmenterConstructor::SegmenterConstructor(Realm& realm)
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: NativeFunction(realm.vm().names.Segmenter.as_string(), realm.intrinsics().function_prototype())
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{
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}
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void SegmenterConstructor::initialize(Realm& realm)
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{
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Base::initialize(realm);
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auto& vm = this->vm();
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// 19.2.1 Intl.Segmenter.prototype, https://tc39.es/ecma402/#sec-intl.segmenter.prototype
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define_direct_property(vm.names.prototype, realm.intrinsics().intl_segmenter_prototype(), 0);
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define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_native_function(realm, vm.names.supportedLocalesOf, supported_locales_of, 1, attr);
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}
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// 19.1.1 Intl.Segmenter ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.segmenter
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ThrowCompletionOr<Value> SegmenterConstructor::call()
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{
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// 1. If NewTarget is undefined, throw a TypeError exception.
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return vm().throw_completion<TypeError>(ErrorType::ConstructorWithoutNew, "Intl.Segmenter");
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}
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// 19.1.1 Intl.Segmenter ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.segmenter
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ThrowCompletionOr<GC::Ref<Object>> SegmenterConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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auto locales_value = vm.argument(0);
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auto options_value = vm.argument(1);
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// 2. Let internalSlotsList be « [[InitializedSegmenter]], [[Locale]], [[SegmenterGranularity]] ».
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// 3. Let segmenter be ? OrdinaryCreateFromConstructor(NewTarget, "%Intl.Segmenter.prototype%", internalSlotsList).
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auto segmenter = TRY(ordinary_create_from_constructor<Segmenter>(vm, new_target, &Intrinsics::intl_segmenter_prototype));
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// 4. Let optionsResolution be ? ResolveOptions(%Intl.Segmenter%, %Intl.Segmenter%.[[LocaleData]], locales, options).
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// 5. Set options to optionsResolution.[[Options]].
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// 6. Let r be optionsResolution.[[ResolvedLocale]].
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auto [options, result, _] = TRY(resolve_options(vm, segmenter, locales_value, options_value));
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// 7. Set segmenter.[[Locale]] to r.[[locale]].
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segmenter->set_locale(move(result.locale));
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// 8. Let granularity be ? GetOption(options, "granularity", string, « "grapheme", "word", "sentence" », "grapheme").
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auto granularity = TRY(get_option(vm, *options, vm.names.granularity, OptionType::String, { "grapheme"sv, "word"sv, "sentence"sv }, "grapheme"sv));
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// 9. Set segmenter.[[SegmenterGranularity]] to granularity.
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segmenter->set_segmenter_granularity(granularity.as_string().utf16_string_view());
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auto locale_segmenter = Unicode::Segmenter::create(segmenter->locale(), segmenter->segmenter_granularity());
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segmenter->set_segmenter(move(locale_segmenter));
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// 10. Return segmenter.
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return segmenter;
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}
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// 19.2.2 Intl.Segmenter.supportedLocalesOf ( locales [ , options ] ), https://tc39.es/ecma402/#sec-intl.segmenter.supportedlocalesof
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JS_DEFINE_NATIVE_FUNCTION(SegmenterConstructor::supported_locales_of)
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{
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auto locales = vm.argument(0);
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auto options = vm.argument(1);
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// 1. Let availableLocales be %Intl.Segmenter%.[[AvailableLocales]].
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// 2. Let requestedLocales be ? CanonicalizeLocaleList(locales).
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auto requested_locales = TRY(canonicalize_locale_list(vm, locales));
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// 3. Return ? FilterLocales(availableLocales, requestedLocales, options).
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return TRY(filter_locales(vm, requested_locales, options));
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}
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}
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