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125 lines
3.1 KiB
C++
125 lines
3.1 KiB
C++
/*
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* Copyright (c) 2021-2024, Tim Flynn <trflynn89@serenityos.org>
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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/String.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 <AK/Vector.h>
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#include <LibUnicode/Forward.h>
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namespace Unicode {
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enum class DateTimeStyle {
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Full,
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Long,
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Medium,
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Short,
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};
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DateTimeStyle date_time_style_from_string(StringView);
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StringView date_time_style_to_string(DateTimeStyle);
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enum class Weekday {
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Sunday,
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Monday,
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Tuesday,
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Wednesday,
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Thursday,
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Friday,
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Saturday,
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};
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enum class HourCycle {
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H11,
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H12,
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H23,
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H24,
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};
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HourCycle hour_cycle_from_string(StringView hour_cycle);
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StringView hour_cycle_to_string(HourCycle hour_cycle);
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Optional<HourCycle> default_hour_cycle(StringView locale);
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enum class CalendarPatternStyle {
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Narrow,
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Short,
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Long,
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Numeric,
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TwoDigit,
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ShortOffset,
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LongOffset,
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ShortGeneric,
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LongGeneric,
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};
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CalendarPatternStyle calendar_pattern_style_from_string(StringView style);
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StringView calendar_pattern_style_to_string(CalendarPatternStyle style);
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struct CalendarPattern {
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static CalendarPattern create_from_pattern(StringView);
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String to_pattern() const;
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Optional<HourCycle> hour_cycle;
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Optional<bool> hour12;
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// https://unicode.org/reports/tr35/tr35-dates.html#Calendar_Fields
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Optional<CalendarPatternStyle> era;
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Optional<CalendarPatternStyle> year;
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Optional<CalendarPatternStyle> month;
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Optional<CalendarPatternStyle> weekday;
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Optional<CalendarPatternStyle> day;
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Optional<CalendarPatternStyle> day_period;
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Optional<CalendarPatternStyle> hour;
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Optional<CalendarPatternStyle> minute;
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Optional<CalendarPatternStyle> second;
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Optional<u8> fractional_second_digits;
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Optional<CalendarPatternStyle> time_zone_name;
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};
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class DateTimeFormat {
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public:
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static NonnullOwnPtr<DateTimeFormat> create_for_date_and_time_style(
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StringView locale,
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StringView time_zone_identifier,
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Optional<HourCycle> const& hour_cycle,
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Optional<bool> const& hour12,
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Optional<DateTimeStyle> const& date_style,
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Optional<DateTimeStyle> const& time_style);
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static NonnullOwnPtr<DateTimeFormat> create_for_pattern_options(
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StringView locale,
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StringView time_zone_identifier,
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CalendarPattern const&);
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virtual ~DateTimeFormat() = default;
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struct Partition {
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StringView type;
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String value;
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StringView source;
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};
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virtual CalendarPattern const& chosen_pattern() const = 0;
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virtual String format(double) const = 0;
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virtual Vector<Partition> format_to_parts(double) const = 0;
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virtual String format_range(double, double) const = 0;
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virtual Vector<Partition> format_range_to_parts(double, double) const = 0;
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protected:
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DateTimeFormat() = default;
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};
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struct WeekInfo {
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u8 minimal_days_in_first_week { 1 };
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Optional<Weekday> first_day_of_week;
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Vector<Weekday> weekend_days;
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};
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WeekInfo week_info_of_locale(StringView locale);
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}
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