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LibUnicode: Parse and generate date, time, and date-time format patterns

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Timothy Flynn 2021-11-27 14:54:48 -05:00 • committed by Linus Groh
parent 5c57341672
commit f471ecdbe9
6 changed files with 384 additions and 5 deletions
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60
Userland/Libraries/LibUnicode/DateTimeFormat.h Normal file
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/*
* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/StringView.h>
#include <AK/Types.h>
#include <LibUnicode/Forward.h>
namespace Unicode {
enum class CalendarPatternStyle : u8 {
Narrow,
Short,
Long,
Numeric,
TwoDigit,
};
struct CalendarPattern {
String pattern {};
Optional<String> pattern12 {};
// https://unicode.org/reports/tr35/tr35-dates.html#Calendar_Fields
Optional<CalendarPatternStyle> era {};
Optional<CalendarPatternStyle> year {};
Optional<CalendarPatternStyle> month {};
Optional<CalendarPatternStyle> weekday {};
Optional<CalendarPatternStyle> day {};
Optional<CalendarPatternStyle> day_period {};
Optional<CalendarPatternStyle> hour {};
Optional<CalendarPatternStyle> minute {};
Optional<CalendarPatternStyle> second {};
Optional<u8> fractional_second_digits {};
Optional<CalendarPatternStyle> time_zone_name {};
};
enum class CalendarFormatType : u8 {
Date,
Time,
DateTime,
};
struct CalendarFormat {
CalendarPattern full_format {};
CalendarPattern long_format {};
CalendarPattern medium_format {};
CalendarPattern short_format {};
};
CalendarPatternStyle calendar_pattern_style_from_string(StringView style);
StringView calendar_pattern_style_to_string(CalendarPatternStyle style);
Optional<CalendarFormat> get_calendar_format(StringView locale, StringView calendar, CalendarFormatType type);
}