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https://github.com/RGBCube/serenity
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09c0324880
This is a rather naive implementation, but serves as a first pass at determining the GMT offset for a time zone at a particular point in time. This implementation ignores DST (because we are not parsing any RULE entries yet), and ignores any offset patterns of the form "Mon>4" or "lastSun".
24 lines
599 B
C++
24 lines
599 B
C++
/*
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* Copyright (c) 2022, Tim Flynn <trflynn89@pm.me>
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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 <AK/StringView.h>
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#include <AK/Time.h>
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#include <AK/Types.h>
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#include <LibTimeZone/Forward.h>
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namespace TimeZone {
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Optional<TimeZone> time_zone_from_string(StringView time_zone);
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StringView time_zone_to_string(TimeZone time_zone);
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Optional<StringView> canonicalize_time_zone(StringView time_zone);
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Optional<i64> get_time_zone_offset(TimeZone time_zone, AK::Time time);
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Optional<i64> get_time_zone_offset(StringView time_zone, AK::Time time);
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}
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