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LibUnicode: Cache all created icu::TimeZone objects

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This cache works exactly the same as the existing icu::Locale cache.
This commit is contained in:
Timothy Flynn 2024-09-03 11:20:20 -04:00 • committed by Andreas Kling
commit d392c38a73
Notes: github-actions[bot] 2024-09-03 17:26:56 +00:00
5 changed files with 45 additions and 7 deletions
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6
Userland/Libraries/LibUnicode/TimeZone.cpp
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@ -131,14 +131,14 @@ Optional<TimeZoneOffset> time_zone_offset(StringView time_zone, UnixDateTime tim
{
UErrorCode status = U_ZERO_ERROR;
auto icu_time_zone = adopt_own_if_nonnull(icu::TimeZone::createTimeZone(icu_string(time_zone)));
if (!icu_time_zone || *icu_time_zone == icu::TimeZone::getUnknown())
auto time_zone_data = TimeZoneData::for_time_zone(time_zone);
if (!time_zone_data.has_value())
return {};
i32 raw_offset = 0;
i32 dst_offset = 0;
icu_time_zone->getOffset(static_cast<UDate>(time.milliseconds_since_epoch()), 0, raw_offset, dst_offset, status);
time_zone_data->time_zone().getOffset(static_cast<UDate>(time.milliseconds_since_epoch()), 0, raw_offset, dst_offset, status);
if (icu_failure(status))
return {};