mirror of
https://github.com/RGBCube/serenity
synced 2025-07-28 17:07:47 +00:00
LibLocale+LibJS+ClockSettings: Make date time format APIs infallible
These APIs only perform small allocations, and are only used by LibJS and the time zone settings widget. Callers which could only have failed from these APIs are also made to be infallible here.
This commit is contained in:
Timothy Flynn
Andreas Kling
parent
0914e86691
commit
7536648498
9 changed files with 183 additions and 191 deletions
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@ -92,10 +92,10 @@ StringView calendar_pattern_style_to_string(CalendarPatternStyle style)
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}
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Optional<HourCycleRegion> __attribute__((weak)) hour_cycle_region_from_string(StringView) { return {}; }
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ErrorOr<Vector<HourCycle>> __attribute__((weak)) get_regional_hour_cycles(StringView) { return Vector<HourCycle> {}; }
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Vector<HourCycle> __attribute__((weak)) get_regional_hour_cycles(StringView) { return {}; }
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template<typename T, FallibleFunction<StringView> GetRegionalValues>
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static ErrorOr<T> find_regional_values_for_locale(StringView locale, GetRegionalValues&& get_regional_values)
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template<typename T, typename GetRegionalValues>
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static T find_regional_values_for_locale(StringView locale, GetRegionalValues&& get_regional_values)
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{
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auto has_value = [](auto const& container) {
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if constexpr (requires { container.has_value(); })
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@ -104,7 +104,7 @@ static ErrorOr<T> find_regional_values_for_locale(StringView locale, GetRegional
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return !container.is_empty();
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};
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if (auto regional_values = TRY(get_regional_values(locale)); has_value(regional_values))
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if (auto regional_values = get_regional_values(locale); has_value(regional_values))
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return regional_values;
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auto return_default_values = [&]() { return get_regional_values("001"sv); };
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@ -118,35 +118,29 @@ static ErrorOr<T> find_regional_values_for_locale(StringView locale, GetRegional
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if (!language.has_value() || !language->region.has_value())
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return return_default_values();
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if (auto regional_values = TRY(get_regional_values(*language->region)); has_value(regional_values))
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if (auto regional_values = get_regional_values(*language->region); has_value(regional_values))
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return regional_values;
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return return_default_values();
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}
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template<typename T, typename GetRegionalValues>
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static ErrorOr<T> find_regional_values_for_locale(StringView locale, GetRegionalValues&& get_regional_values)
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{
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return find_regional_values_for_locale<T>(locale, [&](auto region) -> ErrorOr<T> { return get_regional_values(region); });
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}
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// https://unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table
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ErrorOr<Vector<HourCycle>> get_locale_hour_cycles(StringView locale)
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Vector<HourCycle> get_locale_hour_cycles(StringView locale)
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{
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return find_regional_values_for_locale<Vector<HourCycle>>(locale, get_regional_hour_cycles);
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}
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ErrorOr<Optional<HourCycle>> get_default_regional_hour_cycle(StringView locale)
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Optional<HourCycle> get_default_regional_hour_cycle(StringView locale)
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{
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if (auto hour_cycles = TRY(get_locale_hour_cycles(locale)); !hour_cycles.is_empty())
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if (auto hour_cycles = get_locale_hour_cycles(locale); !hour_cycles.is_empty())
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return hour_cycles.first();
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return OptionalNone {};
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return {};
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}
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Optional<MinimumDaysRegion> __attribute__((weak)) minimum_days_region_from_string(StringView) { return {}; }
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Optional<u8> __attribute__((weak)) get_regional_minimum_days(StringView) { return {}; }
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ErrorOr<Optional<u8>> get_locale_minimum_days(StringView locale)
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Optional<u8> get_locale_minimum_days(StringView locale)
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{
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return find_regional_values_for_locale<Optional<u8>>(locale, get_regional_minimum_days);
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}
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@ -154,7 +148,7 @@ ErrorOr<Optional<u8>> get_locale_minimum_days(StringView locale)
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Optional<FirstDayRegion> __attribute__((weak)) first_day_region_from_string(StringView) { return {}; }
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Optional<Weekday> __attribute__((weak)) get_regional_first_day(StringView) { return {}; }
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ErrorOr<Optional<Weekday>> get_locale_first_day(StringView locale)
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Optional<Weekday> get_locale_first_day(StringView locale)
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{
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return find_regional_values_for_locale<Optional<Weekday>>(locale, get_regional_first_day);
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}
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@ -162,7 +156,7 @@ ErrorOr<Optional<Weekday>> get_locale_first_day(StringView locale)
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Optional<WeekendStartRegion> __attribute__((weak)) weekend_start_region_from_string(StringView) { return {}; }
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Optional<Weekday> __attribute__((weak)) get_regional_weekend_start(StringView) { return {}; }
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ErrorOr<Optional<Weekday>> get_locale_weekend_start(StringView locale)
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Optional<Weekday> get_locale_weekend_start(StringView locale)
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{
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return find_regional_values_for_locale<Optional<Weekday>>(locale, get_regional_weekend_start);
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}
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@ -170,12 +164,12 @@ ErrorOr<Optional<Weekday>> get_locale_weekend_start(StringView locale)
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Optional<WeekendEndRegion> __attribute__((weak)) weekend_end_region_from_string(StringView) { return {}; }
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Optional<Weekday> __attribute__((weak)) get_regional_weekend_end(StringView) { return {}; }
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ErrorOr<Optional<Weekday>> get_locale_weekend_end(StringView locale)
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Optional<Weekday> get_locale_weekend_end(StringView locale)
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{
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return find_regional_values_for_locale<Optional<Weekday>>(locale, get_regional_weekend_end);
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}
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ErrorOr<String> combine_skeletons(StringView first, StringView second)
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String combine_skeletons(StringView first, StringView second)
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{
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// https://unicode.org/reports/tr35/tr35-dates.html#availableFormats_appendItems
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constexpr auto field_order = Array {
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@ -193,34 +187,34 @@ ErrorOr<String> combine_skeletons(StringView first, StringView second)
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StringBuilder builder;
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auto append_from_skeleton = [&](auto skeleton, auto ch) -> ErrorOr<bool> {
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auto append_from_skeleton = [&](auto skeleton, auto ch) {
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auto first_index = skeleton.find(ch);
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if (!first_index.has_value())
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return false;
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auto last_index = skeleton.find_last(ch);
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TRY(builder.try_append(skeleton.substring_view(*first_index, *last_index - *first_index + 1)));
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builder.append(skeleton.substring_view(*first_index, *last_index - *first_index + 1));
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return true;
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};
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for (auto fields : field_order) {
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for (auto ch : fields) {
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if (TRY(append_from_skeleton(first, ch)))
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if (append_from_skeleton(first, ch))
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break;
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if (TRY(append_from_skeleton(second, ch)))
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if (append_from_skeleton(second, ch))
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break;
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}
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}
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return builder.to_string();
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return MUST(builder.to_string());
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}
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ErrorOr<Optional<CalendarFormat>> __attribute__((weak)) get_calendar_date_format(StringView, StringView) { return OptionalNone {}; }
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ErrorOr<Optional<CalendarFormat>> __attribute__((weak)) get_calendar_time_format(StringView, StringView) { return OptionalNone {}; }
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ErrorOr<Optional<CalendarFormat>> __attribute__((weak)) get_calendar_date_time_format(StringView, StringView) { return OptionalNone {}; }
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Optional<CalendarFormat> __attribute__((weak)) get_calendar_date_format(StringView, StringView) { return {}; }
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Optional<CalendarFormat> __attribute__((weak)) get_calendar_time_format(StringView, StringView) { return {}; }
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Optional<CalendarFormat> __attribute__((weak)) get_calendar_date_time_format(StringView, StringView) { return {}; }
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ErrorOr<Optional<CalendarFormat>> get_calendar_format(StringView locale, StringView calendar, CalendarFormatType type)
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Optional<CalendarFormat> get_calendar_format(StringView locale, StringView calendar, CalendarFormatType type)
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{
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switch (type) {
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case CalendarFormatType::Date:
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@ -234,31 +228,31 @@ ErrorOr<Optional<CalendarFormat>> get_calendar_format(StringView locale, StringV
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}
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}
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ErrorOr<Vector<CalendarPattern>> __attribute__((weak)) get_calendar_available_formats(StringView, StringView) { return Vector<CalendarPattern> {}; }
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ErrorOr<Optional<CalendarRangePattern>> __attribute__((weak)) get_calendar_default_range_format(StringView, StringView) { return OptionalNone {}; }
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ErrorOr<Vector<CalendarRangePattern>> __attribute__((weak)) get_calendar_range_formats(StringView, StringView, StringView) { return Vector<CalendarRangePattern> {}; }
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ErrorOr<Vector<CalendarRangePattern>> __attribute__((weak)) get_calendar_range12_formats(StringView, StringView, StringView) { return Vector<CalendarRangePattern> {}; }
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ErrorOr<Optional<StringView>> __attribute__((weak)) get_calendar_era_symbol(StringView, StringView, CalendarPatternStyle, Era) { return OptionalNone {}; }
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ErrorOr<Optional<StringView>> __attribute__((weak)) get_calendar_month_symbol(StringView, StringView, CalendarPatternStyle, Month) { return OptionalNone {}; }
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ErrorOr<Optional<StringView>> __attribute__((weak)) get_calendar_weekday_symbol(StringView, StringView, CalendarPatternStyle, Weekday) { return OptionalNone {}; }
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ErrorOr<Optional<StringView>> __attribute__((weak)) get_calendar_day_period_symbol(StringView, StringView, CalendarPatternStyle, DayPeriod) { return OptionalNone {}; }
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ErrorOr<Optional<StringView>> __attribute__((weak)) get_calendar_day_period_symbol_for_hour(StringView, StringView, CalendarPatternStyle, u8) { return OptionalNone {}; }
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Vector<CalendarPattern> __attribute__((weak)) get_calendar_available_formats(StringView, StringView) { return {}; }
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Optional<CalendarRangePattern> __attribute__((weak)) get_calendar_default_range_format(StringView, StringView) { return {}; }
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Vector<CalendarRangePattern> __attribute__((weak)) get_calendar_range_formats(StringView, StringView, StringView) { return {}; }
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Vector<CalendarRangePattern> __attribute__((weak)) get_calendar_range12_formats(StringView, StringView, StringView) { return {}; }
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Optional<StringView> __attribute__((weak)) get_calendar_era_symbol(StringView, StringView, CalendarPatternStyle, Era) { return {}; }
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Optional<StringView> __attribute__((weak)) get_calendar_month_symbol(StringView, StringView, CalendarPatternStyle, Month) { return {}; }
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Optional<StringView> __attribute__((weak)) get_calendar_weekday_symbol(StringView, StringView, CalendarPatternStyle, Weekday) { return {}; }
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Optional<StringView> __attribute__((weak)) get_calendar_day_period_symbol(StringView, StringView, CalendarPatternStyle, DayPeriod) { return {}; }
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Optional<StringView> __attribute__((weak)) get_calendar_day_period_symbol_for_hour(StringView, StringView, CalendarPatternStyle, u8) { return {}; }
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Optional<StringView> __attribute__((weak)) get_time_zone_name(StringView, StringView, CalendarPatternStyle, TimeZone::InDST) { return {}; }
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Optional<TimeZoneFormat> __attribute__((weak)) get_time_zone_format(StringView) { return {}; }
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static ErrorOr<Optional<String>> format_time_zone_offset(StringView locale, CalendarPatternStyle style, i64 offset_seconds)
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static Optional<String> format_time_zone_offset(StringView locale, CalendarPatternStyle style, i64 offset_seconds)
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{
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auto formats = get_time_zone_format(locale);
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if (!formats.has_value())
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return OptionalNone {};
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return {};
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auto number_system = get_preferred_keyword_value_for_locale(locale, "nu"sv);
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if (!number_system.has_value())
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return OptionalNone {};
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return {};
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if (offset_seconds == 0)
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return String::from_utf8(formats->gmt_zero_format);
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return MUST(String::from_utf8(formats->gmt_zero_format));
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auto sign = offset_seconds > 0 ? formats->symbol_ahead_sign : formats->symbol_behind_sign;
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auto separator = offset_seconds > 0 ? formats->symbol_ahead_separator : formats->symbol_behind_separator;
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@ -271,23 +265,23 @@ static ErrorOr<Optional<String>> format_time_zone_offset(StringView locale, Cale
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offset_seconds %= 60;
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StringBuilder builder;
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TRY(builder.try_append(sign));
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builder.append(sign);
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switch (style) {
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// The long format always uses 2-digit hours field and minutes field, with optional 2-digit seconds field.
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case CalendarPatternStyle::LongOffset:
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TRY(builder.try_appendff("{:02}{}{:02}", offset_hours, separator, offset_minutes));
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builder.appendff("{:02}{}{:02}", offset_hours, separator, offset_minutes);
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if (offset_seconds > 0)
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TRY(builder.try_appendff("{}{:02}", separator, offset_seconds));
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builder.appendff("{}{:02}", separator, offset_seconds);
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break;
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// The short format is intended for the shortest representation and uses hour fields without leading zero, with optional 2-digit minutes and seconds fields.
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case CalendarPatternStyle::ShortOffset:
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TRY(builder.try_appendff("{}", offset_hours));
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builder.appendff("{}", offset_hours);
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if (offset_minutes > 0) {
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TRY(builder.try_appendff("{}{:02}", separator, offset_minutes));
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builder.appendff("{}{:02}", separator, offset_minutes);
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if (offset_seconds > 0)
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TRY(builder.try_appendff("{}{:02}", separator, offset_seconds));
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builder.appendff("{}{:02}", separator, offset_seconds);
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}
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break;
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@ -296,16 +290,16 @@ static ErrorOr<Optional<String>> format_time_zone_offset(StringView locale, Cale
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}
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// The digits used for hours, minutes and seconds fields in this format are the locale's default decimal digits.
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auto result = replace_digits_for_number_system(*number_system, TRY(builder.to_string()));
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return TRY(String::from_utf8(formats->gmt_format)).replace("{0}"sv, result, ReplaceMode::FirstOnly);
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auto result = replace_digits_for_number_system(*number_system, builder.string_view());
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return MUST(MUST(String::from_utf8(formats->gmt_format)).replace("{0}"sv, result, ReplaceMode::FirstOnly));
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}
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// https://unicode.org/reports/tr35/tr35-dates.html#Time_Zone_Format_Terminology
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ErrorOr<String> format_time_zone(StringView locale, StringView time_zone, CalendarPatternStyle style, AK::UnixDateTime time)
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String format_time_zone(StringView locale, StringView time_zone, CalendarPatternStyle style, AK::UnixDateTime time)
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{
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auto offset = TimeZone::get_time_zone_offset(time_zone, time);
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if (!offset.has_value())
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return String::from_utf8(time_zone);
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return MUST(String::from_utf8(time_zone));
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switch (style) {
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case CalendarPatternStyle::Short:
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@ -313,14 +307,14 @@ ErrorOr<String> format_time_zone(StringView locale, StringView time_zone, Calend
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case CalendarPatternStyle::ShortGeneric:
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case CalendarPatternStyle::LongGeneric:
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if (auto name = get_time_zone_name(locale, time_zone, style, offset->in_dst); name.has_value())
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return String::from_utf8(*name);
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return MUST(String::from_utf8(*name));
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break;
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case CalendarPatternStyle::ShortOffset:
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case CalendarPatternStyle::LongOffset:
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if (auto formatted_offset = TRY(format_time_zone_offset(locale, style, offset->seconds)); formatted_offset.has_value())
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if (auto formatted_offset = format_time_zone_offset(locale, style, offset->seconds); formatted_offset.has_value())
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return formatted_offset.release_value();
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return String::from_utf8(time_zone);
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return MUST(String::from_utf8(time_zone));
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default:
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VERIFY_NOT_REACHED();
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@ -6,7 +6,6 @@
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#pragma once
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#include <AK/Error.h>
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#include <AK/Optional.h>
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#include <AK/String.h>
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#include <AK/StringView.h>
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@ -189,44 +188,44 @@ CalendarPatternStyle calendar_pattern_style_from_string(StringView style);
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StringView calendar_pattern_style_to_string(CalendarPatternStyle style);
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Optional<HourCycleRegion> hour_cycle_region_from_string(StringView hour_cycle_region);
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ErrorOr<Vector<HourCycle>> get_regional_hour_cycles(StringView region);
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ErrorOr<Vector<HourCycle>> get_locale_hour_cycles(StringView locale);
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ErrorOr<Optional<HourCycle>> get_default_regional_hour_cycle(StringView locale);
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Vector<HourCycle> get_regional_hour_cycles(StringView region);
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Vector<HourCycle> get_locale_hour_cycles(StringView locale);
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Optional<HourCycle> get_default_regional_hour_cycle(StringView locale);
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Optional<MinimumDaysRegion> minimum_days_region_from_string(StringView minimum_days_region);
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Optional<u8> get_regional_minimum_days(StringView region);
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ErrorOr<Optional<u8>> get_locale_minimum_days(StringView locale);
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Optional<u8> get_locale_minimum_days(StringView locale);
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Optional<FirstDayRegion> first_day_region_from_string(StringView first_day_region);
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Optional<Weekday> get_regional_first_day(StringView region);
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ErrorOr<Optional<Weekday>> get_locale_first_day(StringView locale);
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Optional<Weekday> get_locale_first_day(StringView locale);
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Optional<WeekendStartRegion> weekend_start_region_from_string(StringView weekend_start_region);
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Optional<Weekday> get_regional_weekend_start(StringView region);
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ErrorOr<Optional<Weekday>> get_locale_weekend_start(StringView locale);
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Optional<Weekday> get_locale_weekend_start(StringView locale);
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Optional<WeekendEndRegion> weekend_end_region_from_string(StringView weekend_end_region);
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Optional<Weekday> get_regional_weekend_end(StringView region);
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ErrorOr<Optional<Weekday>> get_locale_weekend_end(StringView locale);
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Optional<Weekday> get_locale_weekend_end(StringView locale);
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ErrorOr<String> combine_skeletons(StringView first, StringView second);
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String combine_skeletons(StringView first, StringView second);
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ErrorOr<Optional<CalendarFormat>> get_calendar_date_format(StringView locale, StringView calendar);
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ErrorOr<Optional<CalendarFormat>> get_calendar_time_format(StringView locale, StringView calendar);
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ErrorOr<Optional<CalendarFormat>> get_calendar_date_time_format(StringView locale, StringView calendar);
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ErrorOr<Optional<CalendarFormat>> get_calendar_format(StringView locale, StringView calendar, CalendarFormatType type);
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ErrorOr<Vector<CalendarPattern>> get_calendar_available_formats(StringView locale, StringView calendar);
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ErrorOr<Optional<CalendarRangePattern>> get_calendar_default_range_format(StringView locale, StringView calendar);
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ErrorOr<Vector<CalendarRangePattern>> get_calendar_range_formats(StringView locale, StringView calendar, StringView skeleton);
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ErrorOr<Vector<CalendarRangePattern>> get_calendar_range12_formats(StringView locale, StringView calendar, StringView skeleton);
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Optional<CalendarFormat> get_calendar_date_format(StringView locale, StringView calendar);
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Optional<CalendarFormat> get_calendar_time_format(StringView locale, StringView calendar);
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Optional<CalendarFormat> get_calendar_date_time_format(StringView locale, StringView calendar);
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Optional<CalendarFormat> get_calendar_format(StringView locale, StringView calendar, CalendarFormatType type);
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Vector<CalendarPattern> get_calendar_available_formats(StringView locale, StringView calendar);
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Optional<CalendarRangePattern> get_calendar_default_range_format(StringView locale, StringView calendar);
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Vector<CalendarRangePattern> get_calendar_range_formats(StringView locale, StringView calendar, StringView skeleton);
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Vector<CalendarRangePattern> get_calendar_range12_formats(StringView locale, StringView calendar, StringView skeleton);
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ErrorOr<Optional<StringView>> get_calendar_era_symbol(StringView locale, StringView calendar, CalendarPatternStyle style, Era value);
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ErrorOr<Optional<StringView>> get_calendar_month_symbol(StringView locale, StringView calendar, CalendarPatternStyle style, Month value);
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ErrorOr<Optional<StringView>> get_calendar_weekday_symbol(StringView locale, StringView calendar, CalendarPatternStyle style, Weekday value);
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ErrorOr<Optional<StringView>> get_calendar_day_period_symbol(StringView locale, StringView calendar, CalendarPatternStyle style, DayPeriod value);
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ErrorOr<Optional<StringView>> get_calendar_day_period_symbol_for_hour(StringView locale, StringView calendar, CalendarPatternStyle style, u8 hour);
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Optional<StringView> get_calendar_era_symbol(StringView locale, StringView calendar, CalendarPatternStyle style, Era value);
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Optional<StringView> get_calendar_month_symbol(StringView locale, StringView calendar, CalendarPatternStyle style, Month value);
|
||||
Optional<StringView> get_calendar_weekday_symbol(StringView locale, StringView calendar, CalendarPatternStyle style, Weekday value);
|
||||
Optional<StringView> get_calendar_day_period_symbol(StringView locale, StringView calendar, CalendarPatternStyle style, DayPeriod value);
|
||||
Optional<StringView> get_calendar_day_period_symbol_for_hour(StringView locale, StringView calendar, CalendarPatternStyle style, u8 hour);
|
||||
|
||||
ErrorOr<String> format_time_zone(StringView locale, StringView time_zone, CalendarPatternStyle style, AK::UnixDateTime time);
|
||||
String format_time_zone(StringView locale, StringView time_zone, CalendarPatternStyle style, AK::UnixDateTime time);
|
||||
Optional<StringView> get_time_zone_name(StringView locale, StringView time_zone, CalendarPatternStyle style, TimeZone::InDST in_dst);
|
||||
Optional<TimeZoneFormat> get_time_zone_format(StringView locale);
|
||||
|
||||
|
|
|
|||
Loading…
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Reference in a new issue