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LibTimeZone: Add an API to retrieve both daylight and standard offsets

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This API will also include the formatted name of the time zone, with
respect for DST (e.g. EST vs EDT for America/New_York).
This commit is contained in:
Timothy Flynn 2022-01-24 12:36:17 -05:00 • committed by Linus Groh
parent fc0c88344b
commit 7103012c7d
4 changed files with 87 additions and 1 deletions
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9
Userland/Libraries/LibTimeZone/TimeZone.h
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@ -6,8 +6,10 @@
#pragma once
#include <AK/Array.h>
#include <AK/Error.h>
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/StringView.h>
#include <AK/Time.h>
#include <AK/Types.h>
@ -25,6 +27,10 @@ struct Offset {
InDST in_dst { InDST::No };
};
struct NamedOffset : public Offset {
String name;
};
StringView current_time_zone();
ErrorOr<void> change_time_zone(StringView time_zone);
Span<StringView const> all_time_zones();
@ -39,4 +45,7 @@ StringView daylight_savings_rule_to_string(DaylightSavingsRule daylight_savings_
Optional<Offset> get_time_zone_offset(TimeZone time_zone, AK::Time time);
Optional<Offset> get_time_zone_offset(StringView time_zone, AK::Time time);
Optional<Array<NamedOffset, 2>> get_named_time_zone_offsets(TimeZone time_zone, AK::Time time);
Optional<Array<NamedOffset, 2>> get_named_time_zone_offsets(StringView time_zone, AK::Time time);
}