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This is an editorial change in the ECMA-402 spec. See:
a2beb66
We implement this change by introducing a virtual interface that all
Intl "service" objects must implement. A future patch will make use of
the virtualized RelevantExtensionKeys and ResolutionOptionDescriptors
accessors, and we will need to be able to use those slots from a generic
instance type.
48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
/*
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* Copyright (c) 2022-2025, 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/Intl/Collator.h>
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namespace JS::Intl {
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GC_DEFINE_ALLOCATOR(Collator);
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// 10 Collator Objects, https://tc39.es/ecma402/#collator-objects
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Collator::Collator(Object& prototype)
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: IntlObject(ConstructWithPrototypeTag::Tag, prototype)
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{
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}
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void Collator::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_bound_compare);
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}
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// 10.2.3 Internal slots, https://tc39.es/ecma402/#sec-intl-collator-internal-slots
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ReadonlySpan<StringView> Collator::relevant_extension_keys() const
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{
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// The value of the [[RelevantExtensionKeys]] internal slot is a List that must include the element "co", may include any or all of the elements "kf" and "kn", and must not include any other elements.
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static constexpr AK::Array keys { "co"sv, "kf"sv, "kn"sv };
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return keys;
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}
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// 10.2.3 Internal slots, https://tc39.es/ecma402/#sec-intl-collator-internal-slots
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ReadonlySpan<ResolutionOptionDescriptor> Collator::resolution_option_descriptors(VM& vm) const
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{
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// The value of the [[ResolutionOptionDescriptors]] internal slot is « { [[Key]]: "co", [[Property]]: "collation" }, { [[Key]]: "kn", [[Property]]: "numeric", [[Type]]: boolean }, { [[Key]]: "kf", [[Property]]: "caseFirst", [[Values]]: « "upper", "lower", "false" » } ».
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static constexpr AK::Array case_first_values { "upper"sv, "lower"sv, "false"sv };
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static auto descriptors = to_array<ResolutionOptionDescriptor>({
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{ .key = "co"sv, .property = vm.names.collation },
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{ .key = "kn"sv, .property = vm.names.numeric, .type = OptionType::Boolean },
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{ .key = "kf"sv, .property = vm.names.caseFirst, .values = case_first_values },
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});
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return descriptors;
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}
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}
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