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LibTimeZone: Add an API to retrieve a list of all known IANA time zones
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3 changed files with 27 additions and 0 deletions
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@ -524,6 +524,22 @@ Optional<Offset> get_time_zone_offset(TimeZone time_zone, AK::Time time)
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return dst_offset;
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}
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Span<StringView const> all_time_zones()
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{
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static constexpr auto all_time_zones = Array {
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)~~~");
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for (auto const& time_zone : time_zone_data.time_zone_names) {
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generator.set("time_zone", time_zone);
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generator.append("\"@time_zone@\"sv, ");
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}
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generator.append(R"~~~(
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};
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return all_time_zones;
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}
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}
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)~~~");
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@ -31,6 +31,16 @@ StringView current_time_zone()
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return canonicalize_time_zone(tzname[0]).value_or("UTC"sv);
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}
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Span<StringView const> __attribute__((weak)) all_time_zones()
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{
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#if !ENABLE_TIME_ZONE_DATA
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static constexpr auto utc = Array { "UTC"sv };
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return utc;
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#else
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return {};
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#endif
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}
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Optional<TimeZone> __attribute__((weak)) time_zone_from_string([[maybe_unused]] StringView time_zone)
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{
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#if !ENABLE_TIME_ZONE_DATA
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@ -25,6 +25,7 @@ struct Offset {
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};
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StringView current_time_zone();
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Span<StringView const> all_time_zones();
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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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