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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef builtin_temporal_TemporalUnit_h
#define builtin_temporal_TemporalUnit_h
#include "mozilla/Assertions.h"
#include <stdint.h>
namespace js::temporal {
enum class TemporalUnit {
Auto,
Year,
Month,
Week,
Day,
Hour,
Minute,
Second,
Millisecond,
Microsecond,
Nanosecond
};
constexpr int64_t ToNanoseconds(TemporalUnit unit) {
switch (unit) {
case TemporalUnit::Day:
return 86'400'000'000'000;
case TemporalUnit::Hour:
return 3'600'000'000'000;
case TemporalUnit::Minute:
return 60'000'000'000;
case TemporalUnit::Second:
return 1'000'000'000;
case TemporalUnit::Millisecond:
return 1'000'000;
case TemporalUnit::Microsecond:
return 1'000;
case TemporalUnit::Nanosecond:
return 1;
case TemporalUnit::Auto:
case TemporalUnit::Year:
case TemporalUnit::Month:
case TemporalUnit::Week:
break;
}
MOZ_CRASH("Unexpected temporal unit");
}
constexpr int64_t ToMilliseconds(TemporalUnit unit) {
switch (unit) {
case TemporalUnit::Day:
return 86'400'000;
case TemporalUnit::Hour:
return 3'600'000;
case TemporalUnit::Minute:
return 60'000;
case TemporalUnit::Second:
return 1'000;
case TemporalUnit::Millisecond:
return 1;
case TemporalUnit::Auto:
case TemporalUnit::Year:
case TemporalUnit::Month:
case TemporalUnit::Week:
case TemporalUnit::Microsecond:
case TemporalUnit::Nanosecond:
break;
}
MOZ_CRASH("Unexpected temporal unit");
}
constexpr int64_t UnitsPerDay(TemporalUnit unit) {
switch (unit) {
case TemporalUnit::Day:
return 1;
case TemporalUnit::Hour:
return 24;
case TemporalUnit::Minute:
return 1440;
case TemporalUnit::Second:
return 86'400;
case TemporalUnit::Millisecond:
return 86'400'000;
case TemporalUnit::Microsecond:
return 86'400'000'000;
case TemporalUnit::Nanosecond:
return 86'400'000'000'000;
case TemporalUnit::Auto:
case TemporalUnit::Year:
case TemporalUnit::Month:
case TemporalUnit::Week:
break;
}
MOZ_CRASH("Unexpected temporal unit");
}
constexpr const char* TemporalUnitToString(TemporalUnit unit) {
switch (unit) {
case TemporalUnit::Auto:
return "auto";
case TemporalUnit::Year:
return "year";
case TemporalUnit::Month:
return "month";
case TemporalUnit::Week:
return "week";
case TemporalUnit::Day:
return "day";
case TemporalUnit::Hour:
return "hour";
case TemporalUnit::Minute:
return "minute";
case TemporalUnit::Second:
return "second";
case TemporalUnit::Millisecond:
return "millisecond";
case TemporalUnit::Microsecond:
return "microsecond";
case TemporalUnit::Nanosecond:
return "nanosecond";
}
MOZ_CRASH("Unexpected temporal unit");
}
} /* namespace js::temporal */
#endif /* builtin_temporal_TemporalUnit_h */