ladybird/Userland/Libraries/LibJS/Runtime/Temporal/Duration.h

122 lines
5.3 KiB
C++

/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Optional.h>
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/Object.h>
namespace JS::Temporal {
class Duration final : public Object {
JS_OBJECT(Duration, Object);
public:
Duration(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, Object& prototype);
virtual ~Duration() override = default;
[[nodiscard]] double years() const { return m_years; }
[[nodiscard]] double months() const { return m_months; }
[[nodiscard]] double weeks() const { return m_weeks; }
[[nodiscard]] double days() const { return m_days; }
[[nodiscard]] double hours() const { return m_hours; }
[[nodiscard]] double minutes() const { return m_minutes; }
[[nodiscard]] double seconds() const { return m_seconds; }
[[nodiscard]] double milliseconds() const { return m_milliseconds; }
[[nodiscard]] double microseconds() const { return m_microseconds; }
[[nodiscard]] double nanoseconds() const { return m_nanoseconds; }
private:
// 7.4 Properties of Temporal.Duration Instances, https://tc39.es/proposal-temporal/#sec-properties-of-temporal-duration-instances
double m_years; // [[Years]]
double m_months; // [[Months]]
double m_weeks; // [[Weeks]]
double m_days; // [[Days]]
double m_hours; // [[Hours]]
double m_minutes; // [[Minutes]]
double m_seconds; // [[Seconds]]
double m_milliseconds; // [[Milliseconds]]
double m_microseconds; // [[Microseconds]]
double m_nanoseconds; // [[Nanoseconds]]
};
// Used by ToTemporalDurationRecord to temporarily hold values
struct TemporalDuration {
double years;
double months;
double weeks;
double days;
double hours;
double minutes;
double seconds;
double milliseconds;
double microseconds;
double nanoseconds;
};
// Used by ToPartialDuration to temporarily hold values
struct PartialDuration {
Optional<double> years;
Optional<double> months;
Optional<double> weeks;
Optional<double> days;
Optional<double> hours;
Optional<double> minutes;
Optional<double> seconds;
Optional<double> milliseconds;
Optional<double> microseconds;
Optional<double> nanoseconds;
};
// Used by BalanceDuration to temporarily hold values
struct BalancedDuration {
double days;
double hours;
double minutes;
double seconds;
double milliseconds;
double microseconds;
double nanoseconds;
};
// Table 7: Properties of a TemporalDurationLike, https://tc39.es/proposal-temporal/#table-temporal-temporaldurationlike-properties
template<typename StructT, typename ValueT>
struct TemporalDurationLikeProperty {
ValueT StructT::*internal_slot { nullptr };
PropertyName property;
};
template<typename StructT, typename ValueT>
auto temporal_duration_like_properties = [](VM& vm) {
using PropertyT = TemporalDurationLikeProperty<StructT, ValueT>;
return AK::Array<PropertyT, 10> {
PropertyT { &StructT::days, vm.names.days },
PropertyT { &StructT::hours, vm.names.hours },
PropertyT { &StructT::microseconds, vm.names.microseconds },
PropertyT { &StructT::milliseconds, vm.names.milliseconds },
PropertyT { &StructT::minutes, vm.names.minutes },
PropertyT { &StructT::months, vm.names.months },
PropertyT { &StructT::nanoseconds, vm.names.nanoseconds },
PropertyT { &StructT::seconds, vm.names.seconds },
PropertyT { &StructT::weeks, vm.names.weeks },
PropertyT { &StructT::years, vm.names.years },
};
};
ThrowCompletionOr<Duration*> to_temporal_duration(GlobalObject&, Value item);
ThrowCompletionOr<TemporalDuration> to_temporal_duration_record(GlobalObject&, Object const& temporal_duration_like);
i8 duration_sign(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds);
bool is_valid_duration(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds);
ThrowCompletionOr<PartialDuration> to_partial_duration(GlobalObject&, Value temporal_duration_like);
ThrowCompletionOr<Duration*> create_temporal_duration(GlobalObject&, double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, FunctionObject const* new_target = nullptr);
Duration* create_negated_temporal_duration(GlobalObject& global_object, Duration const& duration);
BigInt* total_duration_nanoseconds(GlobalObject&, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, BigInt const& nanoseconds, double offset_shift);
ThrowCompletionOr<BalancedDuration> balance_duration(GlobalObject&, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, BigInt const& nanoseconds, String const& largest_unit, Object* relative_to = nullptr);
ThrowCompletionOr<TemporalDuration> to_limited_temporal_duration(GlobalObject&, Value temporal_duration_like, Vector<StringView> const& disallowed_fields);
}