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780de1395b
This is an editorial change in the ECMA-402 spec. See: https://github.com/tc39/ecma402/commit/d56d624
201 lines
11 KiB
C++
201 lines
11 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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#pragma once
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#include <AK/Array.h>
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#include <AK/String.h>
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#include <LibCrypto/BigFraction/BigFraction.h>
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#include <LibJS/Runtime/Intl/AbstractOperations.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibJS/Runtime/Temporal/Duration.h>
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#include <LibUnicode/Locale.h>
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namespace JS::Intl {
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class DurationFormat final : public Object {
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JS_OBJECT(DurationFormat, Object);
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GC_DECLARE_ALLOCATOR(DurationFormat);
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public:
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enum class Style {
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Long,
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Short,
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Narrow,
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Digital,
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};
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static Style style_from_string(StringView style);
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static StringView style_to_string(Style);
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enum class ValueStyle {
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Long,
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Short,
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Narrow,
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Numeric,
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TwoDigit,
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Fractional,
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};
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static ValueStyle value_style_from_string(StringView);
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static StringView value_style_to_string(ValueStyle);
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static_assert(to_underlying(ValueStyle::Long) == to_underlying(Unicode::Style::Long));
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static_assert(to_underlying(ValueStyle::Short) == to_underlying(Unicode::Style::Short));
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static_assert(to_underlying(ValueStyle::Narrow) == to_underlying(Unicode::Style::Narrow));
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enum class Display {
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Auto,
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Always,
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};
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static Display display_from_string(StringView display);
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static StringView display_to_string(Display);
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enum class Unit {
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Years,
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Months,
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Weeks,
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Days,
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Hours,
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Minutes,
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Seconds,
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Milliseconds,
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Microseconds,
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Nanoseconds,
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};
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// 13.5.6.1 Duration Unit Options Records, https://tc39.es/ecma402/#sec-durationformat-unit-options-record
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struct DurationUnitOptions {
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ValueStyle style { ValueStyle::Long };
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Display display { Display::Auto };
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};
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static constexpr auto relevant_extension_keys()
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{
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// 13.2.3 Internal slots, https://tc39.es/ecma402/#sec-Intl.DurationFormat-internal-slots
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// The value of the [[RelevantExtensionKeys]] internal slot is « "nu" ».
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return AK::Array { "nu"sv };
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}
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virtual ~DurationFormat() override = default;
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void set_locale(String locale) { m_locale = move(locale); }
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String const& locale() const { return m_locale; }
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void set_numbering_system(String numbering_system) { m_numbering_system = move(numbering_system); }
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String const& numbering_system() const { return m_numbering_system; }
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void set_hour_minute_separator(String hour_minute_separator) { m_hour_minute_separator = move(hour_minute_separator); }
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String const& hour_minute_separator() const { return m_hour_minute_separator; }
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void set_minute_second_separator(String minute_second_separator) { m_minute_second_separator = move(minute_second_separator); }
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String const& minute_second_separator() const { return m_minute_second_separator; }
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void set_style(StringView style) { m_style = style_from_string(style); }
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Style style() const { return m_style; }
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StringView style_string() const { return style_to_string(m_style); }
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void set_years_options(DurationUnitOptions years_options) { m_years_options = years_options; }
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DurationUnitOptions years_options() const { return m_years_options; }
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void set_months_options(DurationUnitOptions months_options) { m_months_options = months_options; }
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DurationUnitOptions months_options() const { return m_months_options; }
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void set_weeks_options(DurationUnitOptions weeks_options) { m_weeks_options = weeks_options; }
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DurationUnitOptions weeks_options() const { return m_weeks_options; }
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void set_days_options(DurationUnitOptions days_options) { m_days_options = days_options; }
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DurationUnitOptions days_options() const { return m_days_options; }
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void set_hours_options(DurationUnitOptions hours_options) { m_hours_options = hours_options; }
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DurationUnitOptions hours_options() const { return m_hours_options; }
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void set_minutes_options(DurationUnitOptions minutes_options) { m_minutes_options = minutes_options; }
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DurationUnitOptions minutes_options() const { return m_minutes_options; }
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void set_seconds_options(DurationUnitOptions seconds_options) { m_seconds_options = seconds_options; }
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DurationUnitOptions seconds_options() const { return m_seconds_options; }
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void set_milliseconds_options(DurationUnitOptions milliseconds_options) { m_milliseconds_options = milliseconds_options; }
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DurationUnitOptions milliseconds_options() const { return m_milliseconds_options; }
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void set_microseconds_options(DurationUnitOptions microseconds_options) { m_microseconds_options = microseconds_options; }
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DurationUnitOptions microseconds_options() const { return m_microseconds_options; }
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void set_nanoseconds_options(DurationUnitOptions nanoseconds_options) { m_nanoseconds_options = nanoseconds_options; }
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DurationUnitOptions nanoseconds_options() const { return m_nanoseconds_options; }
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void set_fractional_digits(Optional<u8> fractional_digits) { m_fractional_digits = move(fractional_digits); }
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bool has_fractional_digits() const { return m_fractional_digits.has_value(); }
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u8 fractional_digits() const { return m_fractional_digits.value(); }
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private:
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explicit DurationFormat(Object& prototype);
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String m_locale; // [[Locale]]
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String m_numbering_system; // [[NumberingSystem]]
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String m_hour_minute_separator; // [[HourMinutesSeparator]]
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String m_minute_second_separator; // [[MinutesSecondsSeparator]]
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Style m_style { Style::Long }; // [[Style]]
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DurationUnitOptions m_years_options; // [[YearsOptions]]
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DurationUnitOptions m_months_options; // [[MonthsOptions]]
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DurationUnitOptions m_weeks_options; // [[WeeksOptions]]
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DurationUnitOptions m_days_options; // [[DaysOptions]]
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DurationUnitOptions m_hours_options; // [[HoursOptions]]
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DurationUnitOptions m_minutes_options; // [[MinutesOptions]]
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DurationUnitOptions m_seconds_options; // [[SecondsOptions]]
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DurationUnitOptions m_milliseconds_options; // [[MillisecondsOptions]]
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DurationUnitOptions m_microseconds_options; // [[MicrosecondsOptions]]
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DurationUnitOptions m_nanoseconds_options; // [[NanosecondsOptions]]
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Optional<u8> m_fractional_digits; // [[FractionalDigits]]
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};
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struct DurationInstanceComponent {
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double (Temporal::Duration::*value_slot)() const;
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DurationFormat::DurationUnitOptions (DurationFormat::*get_internal_slot)() const;
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void (DurationFormat::*set_internal_slot)(DurationFormat::DurationUnitOptions);
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DurationFormat::Unit unit;
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ReadonlySpan<StringView> styles;
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DurationFormat::ValueStyle digital_default;
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};
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// Table 20: Internal slots and property names of DurationFormat instances relevant to Intl.DurationFormat constructor, https://tc39.es/ecma402/#table-durationformat
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// Table 24: DurationFormat instance internal slots and properties relevant to PartitionDurationFormatPattern, https://tc39.es/ecma402/#table-partition-duration-format-pattern
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static constexpr auto date_styles = AK::Array { "long"sv, "short"sv, "narrow"sv };
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static constexpr auto time_styles = AK::Array { "long"sv, "short"sv, "narrow"sv, "numeric"sv, "2-digit"sv };
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static constexpr auto sub_second_styles = AK::Array { "long"sv, "short"sv, "narrow"sv, "numeric"sv };
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static constexpr auto duration_instances_components = to_array<DurationInstanceComponent>({
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{ &Temporal::Duration::years, &DurationFormat::years_options, &DurationFormat::set_years_options, DurationFormat::Unit::Years, date_styles, DurationFormat::ValueStyle::Short },
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{ &Temporal::Duration::months, &DurationFormat::months_options, &DurationFormat::set_months_options, DurationFormat::Unit::Months, date_styles, DurationFormat::ValueStyle::Short },
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{ &Temporal::Duration::weeks, &DurationFormat::weeks_options, &DurationFormat::set_weeks_options, DurationFormat::Unit::Weeks, date_styles, DurationFormat::ValueStyle::Short },
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{ &Temporal::Duration::days, &DurationFormat::days_options, &DurationFormat::set_days_options, DurationFormat::Unit::Days, date_styles, DurationFormat::ValueStyle::Short },
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{ &Temporal::Duration::hours, &DurationFormat::hours_options, &DurationFormat::set_hours_options, DurationFormat::Unit::Hours, time_styles, DurationFormat::ValueStyle::Numeric },
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{ &Temporal::Duration::minutes, &DurationFormat::minutes_options, &DurationFormat::set_minutes_options, DurationFormat::Unit::Minutes, time_styles, DurationFormat::ValueStyle::Numeric },
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{ &Temporal::Duration::seconds, &DurationFormat::seconds_options, &DurationFormat::set_seconds_options, DurationFormat::Unit::Seconds, time_styles, DurationFormat::ValueStyle::Numeric },
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{ &Temporal::Duration::milliseconds, &DurationFormat::milliseconds_options, &DurationFormat::set_milliseconds_options, DurationFormat::Unit::Milliseconds, sub_second_styles, DurationFormat::ValueStyle::Numeric },
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{ &Temporal::Duration::microseconds, &DurationFormat::microseconds_options, &DurationFormat::set_microseconds_options, DurationFormat::Unit::Microseconds, sub_second_styles, DurationFormat::ValueStyle::Numeric },
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{ &Temporal::Duration::nanoseconds, &DurationFormat::nanoseconds_options, &DurationFormat::set_nanoseconds_options, DurationFormat::Unit::Nanoseconds, sub_second_styles, DurationFormat::ValueStyle::Numeric },
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});
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struct DurationFormatPart {
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StringView type;
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String value;
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StringView unit;
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};
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ThrowCompletionOr<DurationFormat::DurationUnitOptions> get_duration_unit_options(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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Crypto::BigFraction compute_fractional_digits(DurationFormat const&, Temporal::Duration const&);
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bool next_unit_fractional(DurationFormat const&, DurationFormat::Unit unit);
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Vector<DurationFormatPart> format_numeric_hours(VM&, DurationFormat const&, MathematicalValue const& hours_value, bool sign_displayed);
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Vector<DurationFormatPart> format_numeric_minutes(VM&, DurationFormat const&, MathematicalValue const& minutes_value, bool hours_displayed, bool sign_displayed);
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Vector<DurationFormatPart> format_numeric_seconds(VM&, DurationFormat const&, MathematicalValue const& seconds_value, bool minutes_displayed, bool sign_displayed);
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Vector<DurationFormatPart> format_numeric_units(VM&, DurationFormat const&, Temporal::Duration const&, DurationFormat::Unit first_numeric_unit, bool sign_displayed);
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bool is_fractional_second_unit_name(DurationFormat::Unit);
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Vector<DurationFormatPart> list_format_parts(VM&, DurationFormat const&, Vector<Vector<DurationFormatPart>>& partitioned_parts_list);
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Vector<DurationFormatPart> partition_duration_format_pattern(VM&, DurationFormat const&, Temporal::Duration const&);
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}
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