89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
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* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
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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/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 HourCycle : u8 {
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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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enum class CalendarPatternStyle : u8 {
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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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};
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struct CalendarPattern {
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template<typename Callback>
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void for_each_calendar_field_zipped_with(CalendarPattern const& other, Callback&& callback)
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{
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callback(era, other.era);
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callback(year, other.year);
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callback(month, other.month);
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callback(weekday, other.weekday);
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callback(day, other.day);
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callback(day_period, other.day_period);
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callback(hour, other.hour);
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callback(minute, other.minute);
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callback(second, other.second);
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callback(fractional_second_digits, other.fractional_second_digits);
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callback(time_zone_name, other.time_zone_name);
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}
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String pattern {};
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Optional<String> pattern12 {};
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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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enum class CalendarFormatType : u8 {
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Date,
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Time,
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DateTime,
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};
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struct CalendarFormat {
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CalendarPattern full_format {};
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CalendarPattern long_format {};
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CalendarPattern medium_format {};
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CalendarPattern short_format {};
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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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CalendarPatternStyle calendar_pattern_style_from_string(StringView style);
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StringView calendar_pattern_style_to_string(CalendarPatternStyle style);
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Vector<Unicode::HourCycle> get_regional_hour_cycles(StringView locale);
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Optional<Unicode::HourCycle> get_default_regional_hour_cycle(StringView locale);
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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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}
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