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) 2021-2025, 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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#pragma once
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#include <AK/EnumBits.h>
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#include <AK/Span.h>
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#include <AK/String.h>
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#include <AK/Utf16View.h>
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#include <AK/Variant.h>
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#include <AK/Vector.h>
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#include <LibJS/Forward.h>
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#include <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/Date.h>
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#include <LibJS/Runtime/Value.h>
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#include <LibUnicode/Locale.h>
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namespace JS::Intl {
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using LocaleKey = Variant<Empty, String>;
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struct LocaleOptions {
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Value locale_matcher;
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Optional<LocaleKey> ca; // [[Calendar]]
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Optional<LocaleKey> co; // [[Collation]]
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Optional<LocaleKey> hc; // [[HourCycle]]
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Optional<LocaleKey> kf; // [[CaseFirst]]
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Optional<LocaleKey> kn; // [[Numeric]]
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Optional<LocaleKey> nu; // [[NumberingSystem]]
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Value hour12;
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};
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struct MatchedLocale {
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String locale;
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Optional<Unicode::Extension> extension;
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};
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struct ResolvedLocale {
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String locale;
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String icu_locale;
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LocaleKey ca; // [[Calendar]]
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LocaleKey co; // [[Collation]]
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LocaleKey hc; // [[HourCycle]]
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LocaleKey kf; // [[CaseFirst]]
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LocaleKey kn; // [[Numeric]]
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LocaleKey nu; // [[NumberingSystem]]
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};
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struct ResolvedOptions {
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GC::Ref<Object> options;
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ResolvedLocale resolved_locale;
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LocaleOptions resolution_options;
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};
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enum class SpecialBehaviors : u8 {
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None = 0,
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RequireOptions = 1 << 1,
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CoerceOptions = 1 << 2,
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};
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AK_ENUM_BITWISE_OPERATORS(SpecialBehaviors);
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using StringOrBoolean = Variant<StringView, bool>;
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bool is_well_formed_language_tag(StringView locale);
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bool is_well_formed_language_tag(Utf16View locale);
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String canonicalize_unicode_locale_id(StringView locale);
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String canonicalize_unicode_locale_id(Utf16View locale);
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bool is_well_formed_currency_code(StringView currency);
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bool is_well_formed_currency_code(Utf16View currency);
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Vector<TimeZoneIdentifier> const& available_named_time_zone_identifiers();
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Optional<TimeZoneIdentifier const&> get_available_named_time_zone_identifier(StringView time_zone_identifier);
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bool is_well_formed_unit_identifier(Utf16View unit_identifier);
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ThrowCompletionOr<Vector<String>> canonicalize_locale_list(VM&, Value locales);
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Optional<MatchedLocale> lookup_matching_locale_by_prefix(ReadonlySpan<String> requested_locales);
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Optional<MatchedLocale> lookup_matching_locale_by_best_fit(ReadonlySpan<String> requested_locales);
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String insert_unicode_extension_and_canonicalize(Unicode::LocaleID locale_id, Vector<String> attributes, Vector<Unicode::Keyword> keywords);
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ResolvedLocale resolve_locale(ReadonlySpan<String> requested_locales, LocaleOptions const& options, ReadonlySpan<StringView> relevant_extension_keys);
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ThrowCompletionOr<ResolvedOptions> resolve_options(VM& vm, IntlObject& object, Value locales, Value options_value, SpecialBehaviors special_behaviours = SpecialBehaviors::None, Function<void(LocaleOptions&)> modify_resolution_options = {});
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ThrowCompletionOr<GC::Ref<Array>> filter_locales(VM& vm, ReadonlySpan<String> requested_locales, Value options);
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ThrowCompletionOr<GC::Ref<Object>> coerce_options_to_object(VM&, Value options);
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ThrowCompletionOr<StringOrBoolean> get_boolean_or_string_number_format_option(VM& vm, Object const& options, PropertyKey const& property, ReadonlySpan<StringView> string_values, StringOrBoolean fallback);
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ThrowCompletionOr<Optional<int>> default_number_option(VM&, Value value, int minimum, int maximum, Optional<int> fallback);
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ThrowCompletionOr<Optional<int>> get_number_option(VM&, Object const& options, PropertyKey const& property, int minimum, int maximum, Optional<int> fallback);
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template<size_t Size>
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ThrowCompletionOr<StringOrBoolean> get_boolean_or_string_number_format_option(VM& vm, Object const& options, PropertyKey const& property, StringView const (&string_values)[Size], StringOrBoolean fallback)
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{
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return get_boolean_or_string_number_format_option(vm, options, property, ReadonlySpan<StringView> { string_values }, move(fallback));
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}
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}
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