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532f156f4a
This is an editorial change in the ECMA-402 spec. See: https://github.com/tc39/ecma402/commit/4c139f1 https://github.com/tc39/ecma402/commit/da498c2 https://github.com/tc39/ecma402/commit/ed5c716
918 lines
43 KiB
C++
918 lines
43 KiB
C++
/*
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* Copyright (c) 2022, Idan Horowitz <idan.horowitz@serenityos.org>
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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 <AK/GenericShorthands.h>
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#include <AK/StringBuilder.h>
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#include <LibJS/Runtime/AbstractOperations.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Intl/DurationFormat.h>
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#include <LibJS/Runtime/Intl/ListFormat.h>
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#include <LibJS/Runtime/Intl/ListFormatConstructor.h>
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#include <LibJS/Runtime/Intl/MathematicalValue.h>
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#include <LibJS/Runtime/Intl/NumberFormatConstructor.h>
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#include <LibJS/Runtime/Intl/PluralRules.h>
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#include <LibJS/Runtime/Intl/PluralRulesConstructor.h>
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#include <LibJS/Runtime/Intl/RelativeTimeFormat.h>
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#include <LibJS/Runtime/ValueInlines.h>
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namespace JS::Intl {
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GC_DEFINE_ALLOCATOR(DurationFormat);
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// 13 DurationFormat Objects, https://tc39.es/ecma402/#durationformat-objects
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DurationFormat::DurationFormat(Object& prototype)
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: Object(ConstructWithPrototypeTag::Tag, prototype)
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{
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}
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DurationFormat::Style DurationFormat::style_from_string(StringView style)
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{
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if (style == "long"sv)
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return Style::Long;
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if (style == "short"sv)
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return Style::Short;
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if (style == "narrow"sv)
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return Style::Narrow;
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if (style == "digital"sv)
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return Style::Digital;
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VERIFY_NOT_REACHED();
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}
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StringView DurationFormat::style_to_string(Style style)
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{
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switch (style) {
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case Style::Long:
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return "long"sv;
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case Style::Short:
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return "short"sv;
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case Style::Narrow:
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return "narrow"sv;
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case Style::Digital:
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return "digital"sv;
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default:
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VERIFY_NOT_REACHED();
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}
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}
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DurationFormat::Display DurationFormat::display_from_string(StringView display)
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{
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if (display == "auto"sv)
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return Display::Auto;
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if (display == "always"sv)
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return Display::Always;
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VERIFY_NOT_REACHED();
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}
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DurationFormat::ValueStyle DurationFormat::value_style_from_string(StringView value_style)
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{
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if (value_style == "long"sv)
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return ValueStyle::Long;
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if (value_style == "short"sv)
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return ValueStyle::Short;
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if (value_style == "narrow"sv)
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return ValueStyle::Narrow;
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if (value_style == "numeric"sv)
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return ValueStyle::Numeric;
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if (value_style == "2-digit"sv)
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return ValueStyle::TwoDigit;
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if (value_style == "fractional"sv)
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return ValueStyle::Fractional;
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VERIFY_NOT_REACHED();
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}
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StringView DurationFormat::value_style_to_string(ValueStyle value_style)
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{
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switch (value_style) {
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case ValueStyle::Long:
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return "long"sv;
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case ValueStyle::Short:
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return "short"sv;
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case ValueStyle::Narrow:
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return "narrow"sv;
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case ValueStyle::Numeric:
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return "numeric"sv;
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case ValueStyle::TwoDigit:
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return "2-digit"sv;
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case ValueStyle::Fractional:
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return "fractional"sv;
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}
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VERIFY_NOT_REACHED();
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}
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StringView DurationFormat::display_to_string(Display display)
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{
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switch (display) {
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case Display::Auto:
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return "auto"sv;
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case Display::Always:
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return "always"sv;
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default:
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VERIFY_NOT_REACHED();
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}
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}
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static PropertyKey const& unit_to_property_key(VM& vm, DurationFormat::Unit unit)
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{
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switch (unit) {
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case DurationFormat::Unit::Years:
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return vm.names.years;
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case DurationFormat::Unit::Months:
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return vm.names.months;
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case DurationFormat::Unit::Weeks:
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return vm.names.weeks;
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case DurationFormat::Unit::Days:
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return vm.names.days;
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case DurationFormat::Unit::Hours:
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return vm.names.hours;
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case DurationFormat::Unit::Minutes:
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return vm.names.minutes;
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case DurationFormat::Unit::Seconds:
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return vm.names.seconds;
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case DurationFormat::Unit::Milliseconds:
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return vm.names.milliseconds;
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case DurationFormat::Unit::Microseconds:
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return vm.names.microseconds;
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case DurationFormat::Unit::Nanoseconds:
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return vm.names.nanoseconds;
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}
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VERIFY_NOT_REACHED();
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}
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static PropertyKey const& unit_to_number_format_property_key(VM& vm, DurationFormat::Unit unit)
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{
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switch (unit) {
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case DurationFormat::Unit::Years:
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return vm.names.year;
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case DurationFormat::Unit::Months:
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return vm.names.month;
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case DurationFormat::Unit::Weeks:
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return vm.names.week;
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case DurationFormat::Unit::Days:
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return vm.names.day;
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case DurationFormat::Unit::Hours:
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return vm.names.hour;
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case DurationFormat::Unit::Minutes:
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return vm.names.minute;
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case DurationFormat::Unit::Seconds:
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return vm.names.second;
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case DurationFormat::Unit::Milliseconds:
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return vm.names.millisecond;
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case DurationFormat::Unit::Microseconds:
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return vm.names.microsecond;
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case DurationFormat::Unit::Nanoseconds:
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return vm.names.nanosecond;
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}
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VERIFY_NOT_REACHED();
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}
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static GC::Ref<NumberFormat> construct_number_format(VM& vm, DurationFormat const& duration_format, GC::Ref<Object> options)
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{
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auto& realm = *vm.current_realm();
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auto number_format = MUST(construct(vm, realm.intrinsics().intl_number_format_constructor(), PrimitiveString::create(vm, duration_format.locale()), options));
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return static_cast<NumberFormat&>(*number_format);
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}
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static GC::Ref<ListFormat> construct_list_format(VM& vm, DurationFormat const& duration_format, GC::Ref<Object> options)
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{
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auto& realm = *vm.current_realm();
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auto list_format = MUST(construct(vm, realm.intrinsics().intl_list_format_constructor(), PrimitiveString::create(vm, duration_format.locale()), options));
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return static_cast<ListFormat&>(*list_format);
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}
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// 13.5.6.1 ValidateDurationUnitStyle ( unit, style, display, prevStyle ), https://tc39.es/ecma402/#sec-validatedurationunitstyle
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// AD-HOC: Our implementation takes extra parameters for better exception messages.
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static ThrowCompletionOr<void> validate_duration_unit_style(VM& vm, PropertyKey const& unit, DurationFormat::ValueStyle style, DurationFormat::Display display, Optional<DurationFormat::ValueStyle> previous_style, StringView display_field)
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{
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// 1. If display is "always" and style is "fractional", throw a RangeError exception.
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if (display == DurationFormat::Display::Always && style == DurationFormat::ValueStyle::Fractional)
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return vm.throw_completion<RangeError>(ErrorType::IntlFractionalUnitsMixedWithAlwaysDisplay, unit, display_field);
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// 2. If prevStyle is "fractional" and style is not "fractional", throw a RangeError exception.
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if (previous_style == DurationFormat::ValueStyle::Fractional && style != DurationFormat::ValueStyle::Fractional)
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return vm.throw_completion<RangeError>(ErrorType::IntlFractionalUnitFollowedByNonFractionalUnit, unit);
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// 3. If prevStyle is "numeric" or "2-digit" and style is not one of "fractional", "numeric" or "2-digit", throw a RangeError exception.
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if (first_is_one_of(previous_style, DurationFormat::ValueStyle::Numeric, DurationFormat::ValueStyle::TwoDigit)
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&& !first_is_one_of(style, DurationFormat::ValueStyle::Fractional, DurationFormat::ValueStyle::Numeric, DurationFormat::ValueStyle::TwoDigit)) {
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return vm.throw_completion<RangeError>(ErrorType::IntlNonNumericOr2DigitAfterNumericOr2Digit);
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}
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// 4. Return unused.
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return {};
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}
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// 13.5.6 GetDurationUnitOptions ( unit, options, baseStyle, stylesList, digitalBase, prevStyle, twoDigitHours ), https://tc39.es/ecma402/#sec-getdurationunitoptions
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ThrowCompletionOr<DurationUnitOptions> get_duration_unit_options(VM& vm, DurationFormat::Unit unit, Object const& options, DurationFormat::Style base_style, ReadonlySpan<StringView> styles_list, DurationFormat::ValueStyle digital_base, Optional<DurationFormat::ValueStyle> previous_style, bool two_digit_hours)
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{
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auto const& unit_property_key = unit_to_property_key(vm, unit);
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// 1. Let style be ? GetOption(options, unit, STRING, stylesList, undefined).
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auto style_value = TRY(get_option(vm, options, unit_property_key, OptionType::String, styles_list, Empty {}));
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DurationFormat::ValueStyle style;
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// 2. Let displayDefault be "always".
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auto display_default = "always"sv;
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// 3. If style is undefined, then
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if (style_value.is_undefined()) {
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// a. If baseStyle is "digital", then
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if (base_style == DurationFormat::Style::Digital) {
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// i. Set style to digitalBase.
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style = digital_base;
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// ii. If unit is not one of "hours", "minutes", or "seconds", set displayDefault to "auto".
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if (!first_is_one_of(unit, DurationFormat::Unit::Hours, DurationFormat::Unit::Minutes, DurationFormat::Unit::Seconds))
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display_default = "auto"sv;
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}
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// b. Else if prevStyle is one of "fractional", "numeric" or "2-digit", then
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else if (first_is_one_of(previous_style, DurationFormat::ValueStyle::Fractional, DurationFormat::ValueStyle::Numeric, DurationFormat::ValueStyle::TwoDigit)) {
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// i. Set style to "numeric".
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style = DurationFormat::ValueStyle::Numeric;
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// ii. If unit is not "minutes" or "seconds", set displayDefault to "auto".
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if (!first_is_one_of(unit, DurationFormat::Unit::Minutes, DurationFormat::Unit::Seconds))
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display_default = "auto"sv;
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}
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// c. Else,
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else {
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// i. Set style to baseStyle.
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style = static_cast<DurationFormat::ValueStyle>(base_style);
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// ii. Set displayDefault to "auto".
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display_default = "auto"sv;
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}
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} else {
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style = DurationFormat::value_style_from_string(style_value.as_string().utf8_string_view());
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}
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// 4. If style is "numeric" and unit is one of "milliseconds", "microseconds", or "nanoseconds", then
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if (style == DurationFormat::ValueStyle::Numeric && first_is_one_of(unit, DurationFormat::Unit::Milliseconds, DurationFormat::Unit::Microseconds, DurationFormat::Unit::Nanoseconds)) {
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// a. Set style to "fractional".
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style = DurationFormat::ValueStyle::Fractional;
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// b. Set displayDefault to "auto".
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display_default = "auto"sv;
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}
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// 5. Let displayField be the string-concatenation of unit and "Display".
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auto display_field = MUST(String::formatted("{}Display", unit_property_key));
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// 6. Let display be ? GetOption(options, displayField, STRING, « "auto", "always" », displayDefault).
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auto display_value = TRY(get_option(vm, options, display_field.to_byte_string(), OptionType::String, { "auto"sv, "always"sv }, display_default));
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auto display = DurationFormat::display_from_string(display_value.as_string().utf8_string());
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// 7. Perform ? ValidateDurationUnitStyle(unit, style, display, prevStyle).
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TRY(validate_duration_unit_style(vm, unit_property_key, style, display, previous_style, display_field));
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// 8. If unit is "hours" and twoDigitHours is true, set style to "2-digit".
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if (unit == DurationFormat::Unit::Hours && two_digit_hours)
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style = DurationFormat::ValueStyle::TwoDigit;
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// 9. If unit is "minutes" or "seconds" and prevStyle is "numeric" or "2-digit", set style to "2-digit".
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if (first_is_one_of(unit, DurationFormat::Unit::Minutes, DurationFormat::Unit::Seconds)
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&& first_is_one_of(previous_style, DurationFormat::ValueStyle::Numeric, DurationFormat::ValueStyle::TwoDigit)) {
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style = DurationFormat::ValueStyle::TwoDigit;
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}
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// 10. Return the Record { [[Style]]: style, [[Display]]: display }.
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return DurationUnitOptions { .style = style, .display = display };
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}
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// 13.5.7 ComputeFractionalDigits ( durationFormat, duration ), https://tc39.es/ecma402/#sec-computefractionaldigits
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// 15.9.6 ComputeFractionalDigits ( durationFormat, duration ), https://tc39.es/proposal-temporal/#sec-computefractionaldigits
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Crypto::BigFraction compute_fractional_digits(DurationFormat const& duration_format, Temporal::Duration const& duration)
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{
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// 1. Let result be 0.
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Crypto::BigFraction result;
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// 2. Let exponent be 3.
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double exponent = 3;
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// 3. For each row of Table 23, except the header row, in table order, do
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for (auto const& duration_instances_component : duration_instances_components) {
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// a. Let style be the value of durationFormat's internal slot whose name is the Style Slot value of the current row.
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auto style = (duration_format.*duration_instances_component.get_style_slot)();
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// b. If style is "fractional", then
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if (style == DurationFormat::ValueStyle::Fractional) {
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// i. Assert: The Unit value of the current row is "milliseconds", "microseconds", or "nanoseconds".
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VERIFY(first_is_one_of(duration_instances_component.unit, DurationFormat::Unit::Milliseconds, DurationFormat::Unit::Microseconds, DurationFormat::Unit::Nanoseconds));
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// ii. Let value be the value of duration's field whose name is the Value Field value of the current row.
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// iii. Set value to value / 10**exponent.
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Crypto::BigFraction value {
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Crypto::SignedBigInteger { (duration.*duration_instances_component.value_slot)() },
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Crypto::UnsignedBigInteger { pow(10, exponent) }
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};
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// iv. Set result to result + value.
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result = result + value;
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// v. Set exponent to exponent + 3.
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exponent += 3;
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}
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}
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// 4. Return result.
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return result;
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}
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// 13.5.8 NextUnitFractional ( durationFormat, unit ), https://tc39.es/ecma402/#sec-nextunitfractional
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bool next_unit_fractional(DurationFormat const& duration_format, DurationFormat::Unit unit)
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{
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// 1. Assert: unit is "seconds", "milliseconds", or "microseconds".
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VERIFY(first_is_one_of(unit, DurationFormat::Unit::Milliseconds, DurationFormat::Unit::Microseconds, DurationFormat::Unit::Nanoseconds));
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// 2. If unit is "seconds" and durationFormat.[[MillisecondsStyle]] is "fractional", return true.
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if (unit == DurationFormat::Unit::Seconds && duration_format.milliseconds_style() == DurationFormat::ValueStyle::Fractional)
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return true;
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// 3. Else if unit is "milliseconds" and durationFormat.[[MicrosecondsStyle]] is "fractional", return true.
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if (unit == DurationFormat::Unit::Milliseconds && duration_format.microseconds_style() == DurationFormat::ValueStyle::Fractional)
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return true;
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// 4. Else if unit is "microseconds" and durationFormat.[[NanosecondsStyle]] is "fractional", return true.
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if (unit == DurationFormat::Unit::Microseconds && duration_format.nanoseconds_style() == DurationFormat::ValueStyle::Fractional)
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return true;
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// 5. Return false.
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return false;
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}
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// 13.5.9 FormatNumericHours ( durationFormat, hoursValue, signDisplayed ), https://tc39.es/ecma402/#sec-formatnumerichours
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Vector<DurationFormatPart> format_numeric_hours(VM& vm, DurationFormat const& duration_format, MathematicalValue const& hours_value, bool sign_displayed)
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{
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auto& realm = *vm.current_realm();
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// 1. Let result be a new empty List.
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Vector<DurationFormatPart> result;
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// 2. Let hoursStyle be durationFormat.[[HoursStyle]].
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auto hours_style = duration_format.hours_style();
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// 3. Assert: hoursStyle is "numeric" or hoursStyle is "2-digit".
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VERIFY(hours_style == DurationFormat::ValueStyle::Numeric || hours_style == DurationFormat::ValueStyle::TwoDigit);
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// 4. Let nfOpts be OrdinaryObjectCreate(null).
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auto number_format_options = Object::create(realm, nullptr);
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// 5. Let numberingSystem be durationFormat.[[NumberingSystem]].
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auto const& numbering_system = duration_format.numbering_system();
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// 6. Perform ! CreateDataPropertyOrThrow(nfOpts, "numberingSystem", numberingSystem).
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MUST(number_format_options->create_data_property_or_throw(vm.names.numberingSystem, PrimitiveString::create(vm, numbering_system)));
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// 7. If hoursStyle is "2-digit", then
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if (hours_style == DurationFormat::ValueStyle::TwoDigit) {
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// a. Perform ! CreateDataPropertyOrThrow(nfOpts, "minimumIntegerDigits", 2𝔽).
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MUST(number_format_options->create_data_property_or_throw(vm.names.minimumIntegerDigits, Value { 2 }));
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}
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// 8. If signDisplayed is false, then
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if (!sign_displayed) {
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// a. Perform ! CreateDataPropertyOrThrow(nfOpts, "signDisplay", "never").
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MUST(number_format_options->create_data_property_or_throw(vm.names.signDisplay, PrimitiveString::create(vm, "never"sv)));
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}
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// 9. Perform ! CreateDataPropertyOrThrow(nfOpts, "useGrouping", false).
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MUST(number_format_options->create_data_property_or_throw(vm.names.useGrouping, Value { false }));
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// 10. Let nf be ! Construct(%Intl.NumberFormat%, « durationFormat.[[Locale]], nfOpts »).
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auto number_format = construct_number_format(vm, duration_format, number_format_options);
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// 11. Let hoursParts be PartitionNumberPattern(nf, hoursValue).
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auto hours_parts = partition_number_pattern(number_format, hours_value);
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// 12. For each Record { [[Type]], [[Value]] } part of hoursParts, do
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result.ensure_capacity(hours_parts.size());
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for (auto& part : hours_parts) {
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// a. Append the Record { [[Type]]: part.[[Type]], [[Value]]: part.[[Value]], [[Unit]]: "hour" } to result.
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result.unchecked_append({ .type = part.type, .value = move(part.value), .unit = "hour"sv });
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}
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// 13. Return result.
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return result;
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}
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// 13.5.10 FormatNumericMinutes ( durationFormat, minutesValue, hoursDisplayed, signDisplayed ), https://tc39.es/ecma402/#sec-formatnumericminutes
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Vector<DurationFormatPart> format_numeric_minutes(VM& vm, DurationFormat const& duration_format, MathematicalValue const& minutes_value, bool hours_displayed, bool sign_displayed)
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{
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auto& realm = *vm.current_realm();
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// 1. Let result be a new empty List.
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Vector<DurationFormatPart> result;
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// 2. If hoursDisplayed is true, then
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if (hours_displayed) {
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// a. Let separator be durationFormat.[[HourMinuteSeparator]].
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auto separator = duration_format.hour_minute_separator();
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// b. Append the Record { [[Type]]: "literal", [[Value]]: separator, [[Unit]]: EMPTY } to result.
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result.append({ .type = "literal"sv, .value = move(separator), .unit = {} });
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}
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|
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// 3. Let minutesStyle be durationFormat.[[MinutesStyle]].
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auto minutes_style = duration_format.minutes_style();
|
||
|
||
// 4. Assert: minutesStyle is "numeric" or minutesStyle is "2-digit".
|
||
VERIFY(minutes_style == DurationFormat::ValueStyle::Numeric || minutes_style == DurationFormat::ValueStyle::TwoDigit);
|
||
|
||
// 5. Let nfOpts be OrdinaryObjectCreate(null).
|
||
auto number_format_options = Object::create(realm, nullptr);
|
||
|
||
// 6. Let numberingSystem be durationFormat.[[NumberingSystem]].
|
||
auto const& numbering_system = duration_format.numbering_system();
|
||
|
||
// 7. Perform ! CreateDataPropertyOrThrow(nfOpts, "numberingSystem", numberingSystem).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.numberingSystem, PrimitiveString::create(vm, numbering_system)));
|
||
|
||
// 8. If minutesStyle is "2-digit", then
|
||
if (minutes_style == DurationFormat::ValueStyle::TwoDigit) {
|
||
// a. Perform ! CreateDataPropertyOrThrow(nfOpts, "minimumIntegerDigits", 2𝔽).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.minimumIntegerDigits, Value { 2 }));
|
||
}
|
||
|
||
// 9. If signDisplayed is false, then
|
||
if (!sign_displayed) {
|
||
// a. Perform ! CreateDataPropertyOrThrow(nfOpts, "signDisplay", "never").
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.signDisplay, PrimitiveString::create(vm, "never"sv)));
|
||
}
|
||
|
||
// 10. Perform ! CreateDataPropertyOrThrow(nfOpts, "useGrouping", false).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.useGrouping, Value { false }));
|
||
|
||
// 11. Let nf be ! Construct(%Intl.NumberFormat%, « durationFormat.[[Locale]], nfOpts »).
|
||
auto number_format = construct_number_format(vm, duration_format, number_format_options);
|
||
|
||
// 12. Let minutesParts be PartitionNumberPattern(nf, minutesValue).
|
||
auto minutes_parts = partition_number_pattern(number_format, minutes_value);
|
||
|
||
// 13. For each Record { [[Type]], [[Value]] } part of minutesParts, do
|
||
result.ensure_capacity(result.size() + minutes_parts.size());
|
||
|
||
for (auto& part : minutes_parts) {
|
||
// a. Append the Record { [[Type]]: part.[[Type]], [[Value]]: part.[[Value]], [[Unit]]: "minute" } to result.
|
||
result.unchecked_append({ .type = part.type, .value = move(part.value), .unit = "minute"sv });
|
||
}
|
||
|
||
// 14. Return result.
|
||
return result;
|
||
}
|
||
|
||
// 13.5.11 FormatNumericSeconds ( durationFormat, secondsValue, minutesDisplayed, signDisplayed ), https://tc39.es/ecma402/#sec-formatnumericseconds
|
||
Vector<DurationFormatPart> format_numeric_seconds(VM& vm, DurationFormat const& duration_format, MathematicalValue const& seconds_value, bool minutes_displayed, bool sign_displayed)
|
||
{
|
||
auto& realm = *vm.current_realm();
|
||
|
||
// 1. Let result be a new empty List.
|
||
Vector<DurationFormatPart> result;
|
||
|
||
// 2. If minutesDisplayed is true, then
|
||
if (minutes_displayed) {
|
||
// a. Let separator be durationFormat.[[MinuteSecondSeparator]].
|
||
auto separator = duration_format.minute_second_separator();
|
||
|
||
// b. Append the Record { [[Type]]: "literal", [[Value]]: separator, [[Unit]]: EMPTY } to result.
|
||
result.append({ .type = "literal"sv, .value = move(separator), .unit = {} });
|
||
}
|
||
|
||
// 3. Let secondsStyle be durationFormat.[[SecondsStyle]].
|
||
auto seconds_style = duration_format.seconds_style();
|
||
|
||
// 4. Assert: secondsStyle is "numeric" or secondsStyle is "2-digit".
|
||
VERIFY(seconds_style == DurationFormat::ValueStyle::Numeric || seconds_style == DurationFormat::ValueStyle::TwoDigit);
|
||
|
||
// 5. Let nfOpts be OrdinaryObjectCreate(null).
|
||
auto number_format_options = Object::create(realm, nullptr);
|
||
|
||
// 6. Let numberingSystem be durationFormat.[[NumberingSystem]].
|
||
auto const& numbering_system = duration_format.numbering_system();
|
||
|
||
// 7. Perform ! CreateDataPropertyOrThrow(nfOpts, "numberingSystem", numberingSystem).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.numberingSystem, PrimitiveString::create(vm, numbering_system)));
|
||
|
||
// 8. If secondsStyle is "2-digit", then
|
||
if (seconds_style == DurationFormat::ValueStyle::TwoDigit) {
|
||
// a. Perform ! CreateDataPropertyOrThrow(nfOpts, "minimumIntegerDigits", 2𝔽).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.minimumIntegerDigits, Value { 2 }));
|
||
}
|
||
|
||
// 9. If signDisplayed is false, then
|
||
if (!sign_displayed) {
|
||
// a. Perform ! CreateDataPropertyOrThrow(nfOpts, "signDisplay", "never").
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.signDisplay, PrimitiveString::create(vm, "never"sv)));
|
||
}
|
||
|
||
// 10. Perform ! CreateDataPropertyOrThrow(nfOpts, "useGrouping", false).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.useGrouping, Value { false }));
|
||
|
||
// 11. Let fractionDigits be durationFormat.[[FractionalDigits]].
|
||
// 12. If fractionDigits is undefined, then
|
||
if (!duration_format.has_fractional_digits()) {
|
||
// a. Perform ! CreateDataPropertyOrThrow(nfOpts, "maximumFractionDigits", 9𝔽).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.maximumFractionDigits, Value { 9 }));
|
||
|
||
// b. Perform ! CreateDataPropertyOrThrow(nfOpts, "minimumFractionDigits", +0𝔽).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.minimumFractionDigits, Value { 0 }));
|
||
}
|
||
// 13. Else,
|
||
else {
|
||
auto fraction_digits = duration_format.fractional_digits();
|
||
|
||
// a. Perform ! CreateDataPropertyOrThrow(nfOpts, "maximumFractionDigits", fractionDigits).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.maximumFractionDigits, Value { fraction_digits }));
|
||
|
||
// b. Perform ! CreateDataPropertyOrThrow(nfOpts, "minimumFractionDigits", fractionDigits).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.minimumFractionDigits, Value { fraction_digits }));
|
||
}
|
||
|
||
// 14. Perform ! CreateDataPropertyOrThrow(nfOpts, "roundingMode", "trunc").
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.roundingMode, PrimitiveString::create(vm, "trunc"sv)));
|
||
|
||
// 15. Let nf be ! Construct(%Intl.NumberFormat%, « durationFormat.[[Locale]], nfOpts »).
|
||
auto number_format = construct_number_format(vm, duration_format, number_format_options);
|
||
|
||
// 16. Let secondsParts be PartitionNumberPattern(nf, secondsValue).
|
||
auto seconds_parts = partition_number_pattern(number_format, seconds_value);
|
||
|
||
// 17. For each Record { [[Type]], [[Value]] } part of secondsParts, do
|
||
result.ensure_capacity(result.size() + seconds_parts.size());
|
||
|
||
for (auto& part : seconds_parts) {
|
||
// a. Append the Record { [[Type]]: part.[[Type]], [[Value]]: part.[[Value]], [[Unit]]: "second" } to result.
|
||
result.unchecked_append({ .type = part.type, .value = move(part.value), .unit = "second"sv });
|
||
}
|
||
|
||
// 18. Return result.
|
||
return result;
|
||
}
|
||
|
||
// 13.5.12 FormatNumericUnits ( durationFormat, duration, firstNumericUnit, signDisplayed ), https://tc39.es/ecma402/#sec-formatnumericunits
|
||
// 15.9.7 FormatNumericUnits ( durationFormat, duration, firstNumericUnit, signDisplayed ), https://tc39.es/proposal-temporal/#sec-formatnumericunits
|
||
Vector<DurationFormatPart> format_numeric_units(VM& vm, DurationFormat const& duration_format, Temporal::Duration const& duration, DurationFormat::Unit first_numeric_unit, bool sign_displayed)
|
||
{
|
||
// 1. Assert: firstNumericUnit is "hours", "minutes", or "seconds".
|
||
VERIFY(first_is_one_of(first_numeric_unit, DurationFormat::Unit::Hours, DurationFormat::Unit::Minutes, DurationFormat::Unit::Seconds));
|
||
|
||
// 2. Let numericPartsList be a new empty List.
|
||
Vector<DurationFormatPart> numeric_parts_list;
|
||
|
||
// 3. Let hoursValue be duration.[[Hours]].
|
||
auto hours_value = duration.hours();
|
||
|
||
// 4. Let hoursDisplay be durationFormat.[[HoursDisplay]].
|
||
auto hours_display = duration_format.hours_display();
|
||
|
||
// 5. Let minutesValue be duration.[[Minutes]].
|
||
auto minutes_value = duration.minutes();
|
||
|
||
// 6. Let minutesDisplay be durationFormat.[[MinutesDisplay]].
|
||
auto minutes_display = duration_format.minutes_display();
|
||
|
||
// 7. Let secondsValue be duration.[[Seconds]].
|
||
Crypto::BigFraction seconds_value { duration.seconds() };
|
||
|
||
// 8. If duration.[[Milliseconds]] is not 0 or duration.[[Microseconds]] is not 0 or duration.[[Nanoseconds]] is not 0, then
|
||
if (duration.milliseconds() != 0 || duration.microseconds() != 0 || duration.nanoseconds() != 0) {
|
||
// a. Set secondsValue to secondsValue + ComputeFractionalDigits(durationFormat, duration).
|
||
seconds_value = seconds_value + compute_fractional_digits(duration_format, duration);
|
||
}
|
||
|
||
// 9. Let secondsDisplay be durationFormat.[[SecondsDisplay]].
|
||
auto seconds_display = duration_format.seconds_display();
|
||
|
||
// 10. Let hoursFormatted be false.
|
||
auto hours_formatted = false;
|
||
|
||
// 11. If firstNumericUnit is "hours", then
|
||
if (first_numeric_unit == DurationFormat::Unit::Hours) {
|
||
// a. If hoursValue is not 0 or hoursDisplay is "always", then
|
||
if (hours_value != 0 || hours_display == DurationFormat::Display::Always) {
|
||
// i. Set hoursFormatted to true.
|
||
hours_formatted = true;
|
||
}
|
||
}
|
||
|
||
// 12. If secondsValue is not 0 or secondsDisplay is "always", then
|
||
// a. Let secondsFormatted be true.
|
||
// 13. Else,
|
||
// a. Let secondsFormatted be false.
|
||
auto seconds_formatted = !seconds_value.is_zero() || seconds_display == DurationFormat::Display::Always;
|
||
|
||
// 14. Let minutesFormatted be false.
|
||
auto minutes_formatted = false;
|
||
|
||
// 15. If firstNumericUnit is "hours" or firstNumericUnit is "minutes", then
|
||
if (first_is_one_of(first_numeric_unit, DurationFormat::Unit::Hours, DurationFormat::Unit::Minutes)) {
|
||
// a. If hoursFormatted is true and secondsFormatted is true, then
|
||
if (hours_formatted && seconds_formatted) {
|
||
// i. Set minutesFormatted to true.
|
||
minutes_formatted = true;
|
||
}
|
||
// b. Else if minutesValue is not 0 or minutesDisplay is "always", then
|
||
else if (minutes_value != 0 || minutes_display == DurationFormat::Display::Always) {
|
||
// i. Set minutesFormatted to true.
|
||
minutes_formatted = true;
|
||
}
|
||
}
|
||
|
||
// 16. If hoursFormatted is true, then
|
||
if (hours_formatted) {
|
||
MathematicalValue hours_mv { hours_value };
|
||
|
||
// a. If signDisplayed is true, then
|
||
if (sign_displayed) {
|
||
// i. If hoursValue is 0 and DurationSign(duration) is -1, then
|
||
if (hours_value == 0 && duration_sign(duration) == -1) {
|
||
// 1. Set hoursValue to NEGATIVE-ZERO.
|
||
hours_mv = MathematicalValue { MathematicalValue::Symbol::NegativeZero };
|
||
}
|
||
}
|
||
|
||
// b. Let hoursParts be FormatNumericHours(durationFormat, hoursValue, signDisplayed).
|
||
auto hours_parts = format_numeric_hours(vm, duration_format, hours_mv, sign_displayed);
|
||
|
||
// b. Set numericPartsList to the list-concatenation of numericPartsList and hoursParts.
|
||
numeric_parts_list.extend(move(hours_parts));
|
||
|
||
// c. Set signDisplayed to false.
|
||
sign_displayed = false;
|
||
}
|
||
|
||
// 17. If minutesFormatted is true, then
|
||
if (minutes_formatted) {
|
||
MathematicalValue minutes_mv { minutes_value };
|
||
|
||
// a. If signDisplayed is true, then
|
||
if (sign_displayed) {
|
||
// i. If minutesValue is 0 and DurationSign(duration) is -1, then
|
||
if (minutes_value == 0 && duration_sign(duration) == -1) {
|
||
// 1. Set minutesValue to NEGATIVE-ZERO.
|
||
minutes_mv = MathematicalValue { MathematicalValue::Symbol::NegativeZero };
|
||
}
|
||
}
|
||
|
||
// b. Let minutesParts be FormatNumericMinutes(durationFormat, minutesValue, hoursFormatted, signDisplayed).
|
||
auto minutes_parts = format_numeric_minutes(vm, duration_format, minutes_mv, hours_formatted, sign_displayed);
|
||
|
||
// c. Set numericPartsList to the list-concatenation of numericPartsList and minutesParts.
|
||
numeric_parts_list.extend(move(minutes_parts));
|
||
|
||
// d. Set signDisplayed to false.
|
||
sign_displayed = false;
|
||
}
|
||
|
||
// 18. If secondsFormatted is true, then
|
||
if (seconds_formatted) {
|
||
// a. Let secondsParts be FormatNumericSeconds(durationFormat, secondsValue, minutesFormatted, signDisplayed).
|
||
auto seconds_parts = format_numeric_seconds(vm, duration_format, MathematicalValue { seconds_value.to_string(9) }, minutes_formatted, sign_displayed);
|
||
|
||
// b. Set numericPartsList to the list-concatenation of numericPartsList and secondsParts.
|
||
numeric_parts_list.extend(move(seconds_parts));
|
||
}
|
||
|
||
// 19. Return numericPartsList.
|
||
return numeric_parts_list;
|
||
}
|
||
|
||
// 13.5.13 ListFormatParts ( durationFormat, partitionedPartsList ), https://tc39.es/ecma402/#sec-listformatparts
|
||
Vector<DurationFormatPart> list_format_parts(VM& vm, DurationFormat const& duration_format, Vector<Vector<DurationFormatPart>>& partitioned_parts_list)
|
||
{
|
||
auto& realm = *vm.current_realm();
|
||
|
||
// 1. Let lfOpts be OrdinaryObjectCreate(null).
|
||
auto list_format_options = Object::create(realm, nullptr);
|
||
|
||
// 2. Perform ! CreateDataPropertyOrThrow(lfOpts, "type", "unit").
|
||
MUST(list_format_options->create_data_property_or_throw(vm.names.type, PrimitiveString::create(vm, "unit"sv)));
|
||
|
||
// 3. Let listStyle be durationFormat.[[Style]].
|
||
auto list_style = duration_format.style();
|
||
|
||
// 4. If listStyle is "digital", then
|
||
if (list_style == DurationFormat::Style::Digital) {
|
||
// a. Set listStyle to "short".
|
||
list_style = DurationFormat::Style::Short;
|
||
}
|
||
|
||
// 5. Perform ! CreateDataPropertyOrThrow(lfOpts, "style", listStyle).
|
||
auto locale_list_style = Unicode::style_to_string(static_cast<Unicode::Style>(list_style));
|
||
MUST(list_format_options->create_data_property_or_throw(vm.names.style, PrimitiveString::create(vm, locale_list_style)));
|
||
|
||
// 6. Let lf be ! Construct(%Intl.ListFormat%, « durationFormat.[[Locale]], lfOpts »).
|
||
auto list_format = construct_list_format(vm, duration_format, list_format_options);
|
||
|
||
// 7. Let strings be a new empty List.
|
||
Vector<String> strings;
|
||
strings.ensure_capacity(partitioned_parts_list.size());
|
||
|
||
// 8. For each element parts of partitionedPartsList, do
|
||
for (auto const& parts : partitioned_parts_list) {
|
||
// a. Let string be the empty String.
|
||
StringBuilder string;
|
||
|
||
// b. For each Record { [[Type]], [[Value]], [[Unit]] } part in parts, do
|
||
for (auto const& part : parts) {
|
||
// i. Set string to the string-concatenation of string and part.[[Value]].
|
||
string.append(part.value);
|
||
}
|
||
|
||
// c. Append string to strings.
|
||
strings.unchecked_append(MUST(string.to_string()));
|
||
}
|
||
|
||
// 9. Let formattedPartsList be CreatePartsFromList(lf, strings).
|
||
auto formatted_parts_list = create_parts_from_list(list_format, strings);
|
||
|
||
// 10. Let partitionedPartsIndex be 0.
|
||
size_t partitioned_parts_index = 0;
|
||
|
||
// 11. Let partitionedLength be the number of elements in partitionedPartsList.
|
||
auto partitioned_length = partitioned_parts_list.size();
|
||
|
||
// 12. Let flattenedPartsList be a new empty List.
|
||
Vector<DurationFormatPart> flattened_parts_list;
|
||
|
||
// 13. For each Record { [[Type]], [[Value]] } listPart in formattedPartsList, do
|
||
for (auto& list_part : formatted_parts_list) {
|
||
// a. If listPart.[[Type]] is "element", then
|
||
if (list_part.type == "element"sv) {
|
||
// i. Assert: partitionedPartsIndex < partitionedLength.
|
||
VERIFY(partitioned_parts_index < partitioned_length);
|
||
|
||
// ii. Let parts be partitionedPartsList[partitionedPartsIndex].
|
||
auto& parts = partitioned_parts_list[partitioned_parts_index];
|
||
|
||
// iii. For each Record { [[Type]], [[Value]], [[Unit]] } part in parts, do
|
||
for (auto& part : parts) {
|
||
// 1. Append part to flattenedPartsList.
|
||
flattened_parts_list.append(move(part));
|
||
}
|
||
|
||
// iv. Set partitionedPartsIndex to partitionedPartsIndex + 1.
|
||
++partitioned_parts_index;
|
||
}
|
||
// b. Else,
|
||
else {
|
||
// i. Assert: listPart.[[Type]] is "literal".
|
||
VERIFY(list_part.type == "literal"sv);
|
||
|
||
// ii. Append the Record { [[Type]]: "literal", [[Value]]: listPart.[[Value]], [[Unit]]: empty } to flattenedPartsList.
|
||
flattened_parts_list.append({ .type = "literal"sv, .value = move(list_part.value), .unit = {} });
|
||
}
|
||
}
|
||
|
||
// 14. Return flattenedPartsList.
|
||
return flattened_parts_list;
|
||
}
|
||
|
||
// 13.5.14 PartitionDurationFormatPattern ( durationFormat, duration ), https://tc39.es/ecma402/#sec-partitiondurationformatpattern
|
||
// 15.9.8 PartitionDurationFormatPattern ( durationFormat, duration ), https://tc39.es/proposal-temporal/#sec-formatnumericunits
|
||
Vector<DurationFormatPart> partition_duration_format_pattern(VM& vm, DurationFormat const& duration_format, Temporal::Duration const& duration)
|
||
{
|
||
auto& realm = *vm.current_realm();
|
||
|
||
// 1. Let result be a new empty List.
|
||
Vector<Vector<DurationFormatPart>> result;
|
||
|
||
// 2. Let signDisplayed be true.
|
||
auto sign_displayed = true;
|
||
|
||
// 3. Let numericUnitFound be false.
|
||
auto numeric_unit_found = false;
|
||
|
||
// 4. While numericUnitFound is false, repeat for each row in Table 23 in table order, except the header row:
|
||
for (size_t i = 0; !numeric_unit_found && i < duration_instances_components.size(); ++i) {
|
||
auto const& duration_instances_component = duration_instances_components[i];
|
||
|
||
// a. Let value be the value of duration's field whose name is the Value Field value of the current row.
|
||
Crypto::BigFraction value { (duration.*duration_instances_component.value_slot)() };
|
||
|
||
// b. Let style be the value of durationFormat's internal slot whose name is the Style Slot value of the current row.
|
||
auto style = (duration_format.*duration_instances_component.get_style_slot)();
|
||
|
||
// c. Let display be the value of durationFormat's internal slot whose name is the Display Slot value of the current row.
|
||
auto display = (duration_format.*duration_instances_component.get_display_slot)();
|
||
|
||
// d. Let unit be the Unit value of the current row.
|
||
auto unit = duration_instances_component.unit;
|
||
|
||
// e. If style is "numeric" or "2-digit", then
|
||
if (style == DurationFormat::ValueStyle::Numeric || style == DurationFormat::ValueStyle::TwoDigit) {
|
||
// i. Let numericPartsList be FormatNumericUnits(durationFormat, duration, unit, signDisplayed).
|
||
auto numeric_parts_list = format_numeric_units(vm, duration_format, duration, unit, sign_displayed);
|
||
|
||
// ii. If numericPartsList is not empty, append numericPartsList to result.
|
||
if (!numeric_parts_list.is_empty())
|
||
result.append(move(numeric_parts_list));
|
||
|
||
// iii. Set numericUnitFound to true.
|
||
numeric_unit_found = true;
|
||
}
|
||
// f. Else,
|
||
else {
|
||
// i. Let nfOpts be OrdinaryObjectCreate(null).
|
||
auto number_format_options = Object::create(realm, nullptr);
|
||
|
||
// ii. If unit is one of "seconds", "milliseconds", or "microseconds", and NextUnitFractional(durationFormat, unit) is true, then
|
||
if (first_is_one_of(unit, DurationFormat::Unit::Milliseconds, DurationFormat::Unit::Microseconds, DurationFormat::Unit::Nanoseconds) && next_unit_fractional(duration_format, unit)) {
|
||
// 1. Set value to value + ComputeFractionalDigits(durationFormat, duration).
|
||
value = value + compute_fractional_digits(duration_format, duration);
|
||
|
||
// 2. Let fractionDigits be durationFormat.[[FractionalDigits]].
|
||
// 3. If fractionDigits is undefined, then
|
||
if (!duration_format.has_fractional_digits()) {
|
||
// a. Perform ! CreateDataPropertyOrThrow(nfOpts, "maximumFractionDigits", 9𝔽).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.maximumFractionDigits, Value { 9 }));
|
||
|
||
// b. Perform ! CreateDataPropertyOrThrow(nfOpts, "minimumFractionDigits", +0𝔽).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.minimumFractionDigits, Value { 0 }));
|
||
}
|
||
// 4. Else,
|
||
else {
|
||
auto fraction_digits = duration_format.fractional_digits();
|
||
|
||
// a. Perform ! CreateDataPropertyOrThrow(nfOpts, "maximumFractionDigits", fractionDigits).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.maximumFractionDigits, Value { fraction_digits }));
|
||
|
||
// b. Perform ! CreateDataPropertyOrThrow(nfOpts, "minimumFractionDigits", fractionDigits).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.minimumFractionDigits, Value { fraction_digits }));
|
||
}
|
||
|
||
// 5. Perform ! CreateDataPropertyOrThrow(nfOpts, "roundingMode", "trunc").
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.roundingMode, PrimitiveString::create(vm, "trunc"sv)));
|
||
|
||
// 6. Set numericUnitFound to true.
|
||
numeric_unit_found = true;
|
||
}
|
||
|
||
// iii. If display is "always" or value is not 0, then
|
||
if (display == DurationFormat::Display::Always || !value.is_zero()) {
|
||
MathematicalValue value_mv { value.to_string(9) };
|
||
|
||
// 1. Perform ! CreateDataPropertyOrThrow(nfOpts, "numberingSystem", durationFormat.[[NumberingSystem]]).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.numberingSystem, PrimitiveString::create(vm, duration_format.numbering_system())));
|
||
|
||
// 2. If signDisplayed is true, then
|
||
if (sign_displayed) {
|
||
// a. Set signDisplayed to false.
|
||
sign_displayed = false;
|
||
|
||
// b. If value is 0 and DurationSign(duration) is -1, set value to NEGATIVE-ZERO.
|
||
if (value.is_zero() && duration_sign(duration) == -1)
|
||
value_mv = MathematicalValue { MathematicalValue::Symbol::NegativeZero };
|
||
}
|
||
// 3. Else,
|
||
else {
|
||
// a. Perform ! CreateDataPropertyOrThrow(nfOpts, "signDisplay", "never").
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.signDisplay, PrimitiveString::create(vm, "never"sv)));
|
||
}
|
||
|
||
// 4. Let numberFormatUnit be the NumberFormat Unit value of the current row.
|
||
auto const& number_format_unit = unit_to_number_format_property_key(vm, duration_instances_component.unit);
|
||
|
||
// 5. Perform ! CreateDataPropertyOrThrow(nfOpts, "style", "unit").
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.style, PrimitiveString::create(vm, "unit"sv)));
|
||
|
||
// 6. Perform ! CreateDataPropertyOrThrow(nfOpts, "unit", numberFormatUnit).
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.unit, PrimitiveString::create(vm, number_format_unit.as_string())));
|
||
|
||
// 7. Perform ! CreateDataPropertyOrThrow(nfOpts, "unitDisplay", style).
|
||
auto locale_style = Unicode::style_to_string(static_cast<Unicode::Style>(style));
|
||
MUST(number_format_options->create_data_property_or_throw(vm.names.unitDisplay, PrimitiveString::create(vm, locale_style)));
|
||
|
||
// 8. Let nf be ! Construct(%Intl.NumberFormat%, « durationFormat.[[Locale]], nfOpts »).
|
||
auto number_format = construct_number_format(vm, duration_format, number_format_options);
|
||
|
||
// 9. Let parts be PartitionNumberPattern(nf, value).
|
||
auto parts = partition_number_pattern(number_format, value_mv);
|
||
|
||
// 10. Let list be a new empty List.
|
||
Vector<DurationFormatPart> list;
|
||
|
||
// 11. For each Record { [[Type]], [[Value]] } part of parts, do
|
||
list.ensure_capacity(parts.size());
|
||
|
||
for (auto& part : parts) {
|
||
// a. Append the Record { [[Type]]: part.[[Type]], [[Value]]: part.[[Value]], [[Unit]]: numberFormatUnit } to list.
|
||
list.unchecked_append({ .type = part.type, .value = move(part.value), .unit = number_format_unit.as_string() });
|
||
}
|
||
|
||
// 12. Append list to result.
|
||
result.append(list);
|
||
}
|
||
}
|
||
}
|
||
|
||
// 5. Return ListFormatParts(durationFormat, result).
|
||
return list_format_parts(vm, duration_format, result);
|
||
}
|
||
|
||
}
|