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LibJS+LibLocale: Port Intl.DateTimeFormat to String

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Timothy Flynn 2023-01-27 10:18:11 -05:00 • committed by Linus Groh
parent 970e9df245
commit b2097f4059
8 changed files with 223 additions and 197 deletions
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42
Userland/Libraries/LibLocale/DateTimeFormat.cpp
View file

@ -169,7 +169,7 @@ Optional<Weekday> get_locale_weekend_end(StringView locale)
return find_regional_values_for_locale(locale, get_regional_weekend_end);
}
DeprecatedString combine_skeletons(StringView first, StringView second)
ErrorOr<String> combine_skeletons(StringView first, StringView second)
{
// https://unicode.org/reports/tr35/tr35-dates.html#availableFormats_appendItems
constexpr auto field_order = Array {
@ -207,14 +207,14 @@ DeprecatedString combine_skeletons(StringView first, StringView second)
}
}
return builder.build();
return builder.to_string();
}
Optional<CalendarFormat> __attribute__((weak)) get_calendar_date_format(StringView, StringView) { return {}; }
Optional<CalendarFormat> __attribute__((weak)) get_calendar_time_format(StringView, StringView) { return {}; }
Optional<CalendarFormat> __attribute__((weak)) get_calendar_date_time_format(StringView, StringView) { return {}; }
ErrorOr<Optional<CalendarFormat>> __attribute__((weak)) get_calendar_date_format(StringView, StringView) { return OptionalNone {}; }
ErrorOr<Optional<CalendarFormat>> __attribute__((weak)) get_calendar_time_format(StringView, StringView) { return OptionalNone {}; }
ErrorOr<Optional<CalendarFormat>> __attribute__((weak)) get_calendar_date_time_format(StringView, StringView) { return OptionalNone {}; }
Optional<CalendarFormat> get_calendar_format(StringView locale, StringView calendar, CalendarFormatType type)
ErrorOr<Optional<CalendarFormat>> get_calendar_format(StringView locale, StringView calendar, CalendarFormatType type)
{
switch (type) {
case CalendarFormatType::Date:
@ -228,10 +228,10 @@ Optional<CalendarFormat> get_calendar_format(StringView locale, StringView calen
}
}
Vector<CalendarPattern> __attribute__((weak)) get_calendar_available_formats(StringView, StringView) { return {}; }
Optional<CalendarRangePattern> __attribute__((weak)) get_calendar_default_range_format(StringView, StringView) { return {}; }
Vector<CalendarRangePattern> __attribute__((weak)) get_calendar_range_formats(StringView, StringView, StringView) { return {}; }
Vector<CalendarRangePattern> __attribute__((weak)) get_calendar_range12_formats(StringView, StringView, StringView) { return {}; }
ErrorOr<Vector<CalendarPattern>> __attribute__((weak)) get_calendar_available_formats(StringView, StringView) { return Vector<CalendarPattern> {}; }
ErrorOr<Optional<CalendarRangePattern>> __attribute__((weak)) get_calendar_default_range_format(StringView, StringView) { return OptionalNone {}; }
ErrorOr<Vector<CalendarRangePattern>> __attribute__((weak)) get_calendar_range_formats(StringView, StringView, StringView) { return Vector<CalendarRangePattern> {}; }
ErrorOr<Vector<CalendarRangePattern>> __attribute__((weak)) get_calendar_range12_formats(StringView, StringView, StringView) { return Vector<CalendarRangePattern> {}; }
Optional<StringView> __attribute__((weak)) get_calendar_era_symbol(StringView, StringView, CalendarPatternStyle, Era) { return {}; }
Optional<StringView> __attribute__((weak)) get_calendar_month_symbol(StringView, StringView, CalendarPatternStyle, Month) { return {}; }
Optional<StringView> __attribute__((weak)) get_calendar_weekday_symbol(StringView, StringView, CalendarPatternStyle, Weekday) { return {}; }
@ -241,18 +241,18 @@ Optional<StringView> __attribute__((weak)) get_calendar_day_period_symbol_for_ho
Optional<StringView> __attribute__((weak)) get_time_zone_name(StringView, StringView, CalendarPatternStyle, TimeZone::InDST) { return {}; }
Optional<TimeZoneFormat> __attribute__((weak)) get_time_zone_format(StringView) { return {}; }
static Optional<DeprecatedString> format_time_zone_offset(StringView locale, CalendarPatternStyle style, i64 offset_seconds)
static ErrorOr<Optional<String>> format_time_zone_offset(StringView locale, CalendarPatternStyle style, i64 offset_seconds)
{
auto formats = get_time_zone_format(locale);
if (!formats.has_value())
return {};
return OptionalNone {};
auto number_system = get_preferred_keyword_value_for_locale(locale, "nu"sv);
if (!number_system.has_value())
return {};
return OptionalNone {};
if (offset_seconds == 0)
return formats->gmt_zero_format;
return String::from_utf8(formats->gmt_zero_format);
auto sign = offset_seconds > 0 ? formats->symbol_ahead_sign : formats->symbol_behind_sign;
auto separator = offset_seconds > 0 ? formats->symbol_ahead_separator : formats->symbol_behind_separator;
@ -290,16 +290,16 @@ static Optional<DeprecatedString> format_time_zone_offset(StringView locale, Cal
}
// The digits used for hours, minutes and seconds fields in this format are the locale's default decimal digits.
auto result = replace_digits_for_number_system(*number_system, builder.build()).release_value_but_fixme_should_propagate_errors();
return formats->gmt_format.replace("{0}"sv, result, ReplaceMode::FirstOnly);
auto result = TRY(replace_digits_for_number_system(*number_system, builder.build()));
return TRY(String::from_utf8(formats->gmt_format)).replace("{0}"sv, result, ReplaceMode::FirstOnly);
}
// https://unicode.org/reports/tr35/tr35-dates.html#Time_Zone_Format_Terminology
DeprecatedString format_time_zone(StringView locale, StringView time_zone, CalendarPatternStyle style, AK::Time time)
ErrorOr<String> format_time_zone(StringView locale, StringView time_zone, CalendarPatternStyle style, AK::Time time)
{
auto offset = TimeZone::get_time_zone_offset(time_zone, time);
if (!offset.has_value())
return time_zone;
return String::from_utf8(time_zone);
switch (style) {
case CalendarPatternStyle::Short:
@ -307,12 +307,14 @@ DeprecatedString format_time_zone(StringView locale, StringView time_zone, Calen
case CalendarPatternStyle::ShortGeneric:
case CalendarPatternStyle::LongGeneric:
if (auto name = get_time_zone_name(locale, time_zone, style, offset->in_dst); name.has_value())
return *name;
return String::from_utf8(*name);
break;
case CalendarPatternStyle::ShortOffset:
case CalendarPatternStyle::LongOffset:
return format_time_zone_offset(locale, style, offset->seconds).value_or(time_zone);
if (auto formatted_offset = TRY(format_time_zone_offset(locale, style, offset->seconds)); formatted_offset.has_value())
return formatted_offset.release_value();
return String::from_utf8(time_zone);
default:
VERIFY_NOT_REACHED();

35
Userland/Libraries/LibLocale/DateTimeFormat.h
View file

@ -1,13 +1,14 @@
/*
* Copyright (c) 2021-2022, Tim Flynn <trflynn89@serenityos.org>
* Copyright (c) 2021-2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DeprecatedString.h>
#include <AK/Error.h>
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/StringView.h>
#include <AK/Time.h>
#include <AK/Types.h>
@ -111,9 +112,9 @@ struct CalendarPattern {
callback(time_zone_name, other.time_zone_name, Field::TimeZoneName);
}
DeprecatedString skeleton {};
DeprecatedString pattern {};
Optional<DeprecatedString> pattern12 {};
String skeleton {};
String pattern {};
Optional<String> pattern12 {};
Optional<HourCycle> hour_cycle {};
// https://unicode.org/reports/tr35/tr35-dates.html#Calendar_Fields
@ -145,9 +146,9 @@ struct CalendarRangePattern : public CalendarPattern {
};
Optional<Field> field {};
DeprecatedString start_range {};
String start_range {};
StringView separator {};
DeprecatedString end_range {};
String end_range {};
};
enum class CalendarFormatType : u8 {
@ -208,16 +209,16 @@ Optional<WeekendEndRegion> weekend_end_region_from_string(StringView weekend_end
Optional<Weekday> get_regional_weekend_end(StringView region);
Optional<Weekday> get_locale_weekend_end(StringView region);
DeprecatedString combine_skeletons(StringView first, StringView second);
ErrorOr<String> combine_skeletons(StringView first, StringView second);
Optional<CalendarFormat> get_calendar_date_format(StringView locale, StringView calendar);
Optional<CalendarFormat> get_calendar_time_format(StringView locale, StringView calendar);
Optional<CalendarFormat> get_calendar_date_time_format(StringView locale, StringView calendar);
Optional<CalendarFormat> get_calendar_format(StringView locale, StringView calendar, CalendarFormatType type);
Vector<CalendarPattern> get_calendar_available_formats(StringView locale, StringView calendar);
Optional<CalendarRangePattern> get_calendar_default_range_format(StringView locale, StringView calendar);
Vector<CalendarRangePattern> get_calendar_range_formats(StringView locale, StringView calendar, StringView skeleton);
Vector<CalendarRangePattern> get_calendar_range12_formats(StringView locale, StringView calendar, StringView skeleton);
ErrorOr<Optional<CalendarFormat>> get_calendar_date_format(StringView locale, StringView calendar);
ErrorOr<Optional<CalendarFormat>> get_calendar_time_format(StringView locale, StringView calendar);
ErrorOr<Optional<CalendarFormat>> get_calendar_date_time_format(StringView locale, StringView calendar);
ErrorOr<Optional<CalendarFormat>> get_calendar_format(StringView locale, StringView calendar, CalendarFormatType type);
ErrorOr<Vector<CalendarPattern>> get_calendar_available_formats(StringView locale, StringView calendar);
ErrorOr<Optional<CalendarRangePattern>> get_calendar_default_range_format(StringView locale, StringView calendar);
ErrorOr<Vector<CalendarRangePattern>> get_calendar_range_formats(StringView locale, StringView calendar, StringView skeleton);
ErrorOr<Vector<CalendarRangePattern>> get_calendar_range12_formats(StringView locale, StringView calendar, StringView skeleton);
Optional<StringView> get_calendar_era_symbol(StringView locale, StringView calendar, CalendarPatternStyle style, Era value);
Optional<StringView> get_calendar_month_symbol(StringView locale, StringView calendar, CalendarPatternStyle style, Month value);
@ -225,7 +226,7 @@ Optional<StringView> get_calendar_weekday_symbol(StringView locale, StringView c
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);
DeprecatedString format_time_zone(StringView locale, StringView time_zone, CalendarPatternStyle style, AK::Time time);
ErrorOr<String> format_time_zone(StringView locale, StringView time_zone, CalendarPatternStyle style, AK::Time 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);