mirror of
https://github.com/RGBCube/serenity
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51 lines
2.3 KiB
C++
51 lines
2.3 KiB
C++
/*
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.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/Optional.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibJS/Runtime/Temporal/AbstractOperations.h>
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namespace JS::Temporal {
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class TimeZone final : public Object {
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JS_OBJECT(TimeZone, Object);
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public:
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// Needs to store values in the range -8.64 * 10^13 to 8.64 * 10^13
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using OffsetType = double;
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TimeZone(String identifier, Object& prototype);
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virtual ~TimeZone() override = default;
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[[nodiscard]] String const& identifier() const { return m_identifier; }
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[[nodiscard]] Optional<OffsetType> const& offset_nanoseconds() const { return m_offset_nanoseconds; }
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void set_offset_nanoseconds(OffsetType offset_nanoseconds) { m_offset_nanoseconds = offset_nanoseconds; };
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private:
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// 11.5 Properties of Temporal.TimeZone Instances, https://tc39.es/proposal-temporal/#sec-properties-of-temporal-timezone-instances
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String m_identifier; // [[Identifier]]
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Optional<OffsetType> m_offset_nanoseconds; // [[OffsetNanoseconds]]
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};
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bool is_valid_time_zone_name(String const& time_zone);
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String canonicalize_time_zone_name(String const& time_zone);
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String default_time_zone();
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ThrowCompletionOr<String> parse_temporal_time_zone(GlobalObject&, String const&);
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ThrowCompletionOr<TimeZone*> create_temporal_time_zone(GlobalObject&, String const& identifier, FunctionObject const* new_target = nullptr);
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ISODateTime get_iso_parts_from_epoch(BigInt const& epoch_nanoseconds);
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i64 get_iana_time_zone_offset_nanoseconds(BigInt const& epoch_nanoseconds, String const& time_zone_identifier);
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ThrowCompletionOr<double> parse_time_zone_offset_string(GlobalObject&, String const&);
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String format_time_zone_offset_string(double offset_nanoseconds);
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ThrowCompletionOr<Object*> to_temporal_time_zone(GlobalObject&, Value temporal_time_zone_like);
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ThrowCompletionOr<double> get_offset_nanoseconds_for(GlobalObject&, Value time_zone, Instant&);
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ThrowCompletionOr<String> builtin_time_zone_get_offset_string_for(GlobalObject&, Value time_zone, Instant&);
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ThrowCompletionOr<PlainDateTime*> builtin_time_zone_get_plain_date_time_for(GlobalObject&, Value time_zone, Instant&, Object& calendar);
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bool is_valid_time_zone_numeric_utc_offset_syntax(String const&);
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}
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