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/*
* Copyright (c) 2021-2022, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Array.h>
#include <AK/DeprecatedString.h>
#include <AK/StringView.h>
#include <AK/Time.h>
#include <AK/Types.h>
#include <AK/Vector.h>
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/Intl/AbstractOperations.h>
#include <LibJS/Runtime/Object.h>
#include <LibLocale/DateTimeFormat.h>
namespace JS::Intl {
class DateTimeFormat final
: public Object
, public ::Locale::CalendarPattern {
JS_OBJECT(DateTimeFormat, Object);
using Patterns = ::Locale::CalendarPattern;
public:
enum class Style {
Full,
Long,
Medium,
Short,
};
static constexpr auto relevant_extension_keys()
{
// 11.2.3 Internal slots, https://tc39.es/ecma402/#sec-intl.datetimeformat-internal-slots
// The value of the [[RelevantExtensionKeys]] internal slot is « "ca", "hc", "nu" ».
return AK::Array { "ca"sv, "hc"sv, "nu"sv };
}
virtual ~DateTimeFormat() override = default;
DeprecatedString const& locale() const { return m_locale; }
void set_locale(DeprecatedString locale) { m_locale = move(locale); }
DeprecatedString const& data_locale() const { return m_data_locale; }
void set_data_locale(DeprecatedString data_locale) { m_data_locale = move(data_locale); }
DeprecatedString const& calendar() const { return m_calendar; }
void set_calendar(DeprecatedString calendar) { m_calendar = move(calendar); }
DeprecatedString const& numbering_system() const { return m_numbering_system; }
void set_numbering_system(DeprecatedString numbering_system) { m_numbering_system = move(numbering_system); }
bool has_hour_cycle() const { return m_hour_cycle.has_value(); }
::Locale::HourCycle hour_cycle() const { return *m_hour_cycle; }
StringView hour_cycle_string() const { return ::Locale::hour_cycle_to_string(*m_hour_cycle); }
void set_hour_cycle(::Locale::HourCycle hour_cycle) { m_hour_cycle = hour_cycle; }
void clear_hour_cycle() { m_hour_cycle.clear(); }
DeprecatedString const& time_zone() const { return m_time_zone; }
void set_time_zone(DeprecatedString time_zone) { m_time_zone = move(time_zone); }
bool has_date_style() const { return m_date_style.has_value(); }
Style date_style() const { return *m_date_style; };
StringView date_style_string() const { return style_to_string(*m_date_style); };
void set_date_style(StringView style) { m_date_style = style_from_string(style); };
bool has_time_style() const { return m_time_style.has_value(); }
Style time_style() const { return *m_time_style; };
StringView time_style_string() const { return style_to_string(*m_time_style); };
void set_time_style(StringView style) { m_time_style = style_from_string(style); };
DeprecatedString const& pattern() const { return Patterns::pattern; };
void set_pattern(DeprecatedString pattern) { Patterns::pattern = move(pattern); }
Span<::Locale::CalendarRangePattern const> range_patterns() const { return m_range_patterns.span(); };
void set_range_patterns(Vector<::Locale::CalendarRangePattern> range_patterns) { m_range_patterns = move(range_patterns); }
bool has_era() const { return Patterns::era.has_value(); }
::Locale::CalendarPatternStyle era() const { return *Patterns::era; };
StringView era_string() const { return ::Locale::calendar_pattern_style_to_string(*Patterns::era); }
bool has_year() const { return Patterns::year.has_value(); }
::Locale::CalendarPatternStyle year() const { return *Patterns::year; };
StringView year_string() const { return ::Locale::calendar_pattern_style_to_string(*Patterns::year); }
bool has_month() const { return Patterns::month.has_value(); }
::Locale::CalendarPatternStyle month() const { return *Patterns::month; };
StringView month_string() const { return ::Locale::calendar_pattern_style_to_string(*Patterns::month); }
bool has_weekday() const { return Patterns::weekday.has_value(); }
::Locale::CalendarPatternStyle weekday() const { return *Patterns::weekday; };
StringView weekday_string() const { return ::Locale::calendar_pattern_style_to_string(*Patterns::weekday); }
bool has_day() const { return Patterns::day.has_value(); }
::Locale::CalendarPatternStyle day() const { return *Patterns::day; };
StringView day_string() const { return ::Locale::calendar_pattern_style_to_string(*Patterns::day); }
bool has_day_period() const { return Patterns::day_period.has_value(); }
::Locale::CalendarPatternStyle day_period() const { return *Patterns::day_period; };
StringView day_period_string() const { return ::Locale::calendar_pattern_style_to_string(*Patterns::day_period); }
bool has_hour() const { return Patterns::hour.has_value(); }
::Locale::CalendarPatternStyle hour() const { return *Patterns::hour; };
StringView hour_string() const { return ::Locale::calendar_pattern_style_to_string(*Patterns::hour); }
bool has_minute() const { return Patterns::minute.has_value(); }
::Locale::CalendarPatternStyle minute() const { return *Patterns::minute; };
StringView minute_string() const { return ::Locale::calendar_pattern_style_to_string(*Patterns::minute); }
bool has_second() const { return Patterns::second.has_value(); }
::Locale::CalendarPatternStyle second() const { return *Patterns::second; };
StringView second_string() const { return ::Locale::calendar_pattern_style_to_string(*Patterns::second); }
bool has_fractional_second_digits() const { return Patterns::fractional_second_digits.has_value(); }
u8 fractional_second_digits() const { return *Patterns::fractional_second_digits; };
bool has_time_zone_name() const { return Patterns::time_zone_name.has_value(); }
::Locale::CalendarPatternStyle time_zone_name() const { return *Patterns::time_zone_name; };
StringView time_zone_name_string() const { return ::Locale::calendar_pattern_style_to_string(*Patterns::time_zone_name); }
NativeFunction* bound_format() const { return m_bound_format; }
void set_bound_format(NativeFunction* bound_format) { m_bound_format = bound_format; }
private:
DateTimeFormat(Object& prototype);
static Style style_from_string(StringView style);
static StringView style_to_string(Style style);
virtual void visit_edges(Visitor&) override;
DeprecatedString m_locale; // [[Locale]]
DeprecatedString m_calendar; // [[Calendar]]
DeprecatedString m_numbering_system; // [[NumberingSystem]]
Optional<::Locale::HourCycle> m_hour_cycle; // [[HourCycle]]
DeprecatedString m_time_zone; // [[TimeZone]]
Optional<Style> m_date_style; // [[DateStyle]]
Optional<Style> m_time_style; // [[TimeStyle]]
Vector<::Locale::CalendarRangePattern> m_range_patterns; // [[RangePatterns]]
NativeFunction* m_bound_format { nullptr }; // [[BoundFormat]]
DeprecatedString m_data_locale;
};
enum class OptionRequired {
Any,
Date,
Time,
};
enum class OptionDefaults {
All,
Date,
Time,
};
// Table 8: Record returned by ToLocalTime, https://tc39.es/ecma402/#table-datetimeformat-tolocaltime-record
// Note: [[InDST]] is not included here - it is handled by LibUnicode / LibTimeZone.
struct LocalTime {
AK::Time time_since_epoch() const
{
return AK::Time::from_timestamp(year, month + 1, day + 1, hour, minute, second, millisecond);
}
int weekday { 0 }; // [[Weekday]]
::Locale::Era era {}; // [[Era]]
i32 year { 0 }; // [[Year]]
Value related_year {}; // [[RelatedYear]]
Value year_name {}; // [[YearName]]
u8 month { 0 }; // [[Month]]
u8 day { 0 }; // [[Day]]
u8 hour { 0 }; // [[Hour]]
u8 minute { 0 }; // [[Minute]]
u8 second { 0 }; // [[Second]]
u16 millisecond { 0 }; // [[Millisecond]]
};
ThrowCompletionOr<Object*> to_date_time_options(VM&, Value options_value, OptionRequired, OptionDefaults);
Optional<::Locale::CalendarPattern> date_time_style_format(StringView data_locale, DateTimeFormat& date_time_format);
Optional<::Locale::CalendarPattern> basic_format_matcher(::Locale::CalendarPattern const& options, Vector<::Locale::CalendarPattern> formats);
Optional<::Locale::CalendarPattern> best_fit_format_matcher(::Locale::CalendarPattern const& options, Vector<::Locale::CalendarPattern> formats);
ThrowCompletionOr<Vector<PatternPartition>> format_date_time_pattern(VM&, DateTimeFormat&, Vector<PatternPartition> pattern_parts, double time, ::Locale::CalendarPattern const* range_format_options);
ThrowCompletionOr<Vector<PatternPartition>> partition_date_time_pattern(VM&, DateTimeFormat&, double time);
ThrowCompletionOr<DeprecatedString> format_date_time(VM&, DateTimeFormat&, double time);
ThrowCompletionOr<Array*> format_date_time_to_parts(VM&, DateTimeFormat&, double time);
ThrowCompletionOr<Vector<PatternPartitionWithSource>> partition_date_time_range_pattern(VM&, DateTimeFormat&, double start, double end);
ThrowCompletionOr<DeprecatedString> format_date_time_range(VM&, DateTimeFormat&, double start, double end);
ThrowCompletionOr<Array*> format_date_time_range_to_parts(VM&, DateTimeFormat&, double start, double end);
ThrowCompletionOr<LocalTime> to_local_time(VM&, Crypto::SignedBigInteger const& epoch_ns, StringView calendar, StringView time_zone);
template<typename Callback>
ThrowCompletionOr<void> for_each_calendar_field(VM& vm, ::Locale::CalendarPattern& pattern, Callback&& callback)
{
constexpr auto narrow_short_long = AK::Array { "narrow"sv, "short"sv, "long"sv };
constexpr auto two_digit_numeric = AK::Array { "2-digit"sv, "numeric"sv };
constexpr auto two_digit_numeric_narrow_short_long = AK::Array { "2-digit"sv, "numeric"sv, "narrow"sv, "short"sv, "long"sv };
constexpr auto time_zone = AK::Array { "short"sv, "long"sv, "shortOffset"sv, "longOffset"sv, "shortGeneric"sv, "longGeneric"sv };
// Table 6: Components of date and time formats, https://tc39.es/ecma402/#table-datetimeformat-components
TRY(callback(pattern.weekday, vm.names.weekday, narrow_short_long));
TRY(callback(pattern.era, vm.names.era, narrow_short_long));
TRY(callback(pattern.year, vm.names.year, two_digit_numeric));
TRY(callback(pattern.month, vm.names.month, two_digit_numeric_narrow_short_long));
TRY(callback(pattern.day, vm.names.day, two_digit_numeric));
TRY(callback(pattern.day_period, vm.names.dayPeriod, narrow_short_long));
TRY(callback(pattern.hour, vm.names.hour, two_digit_numeric));
TRY(callback(pattern.minute, vm.names.minute, two_digit_numeric));
TRY(callback(pattern.second, vm.names.second, two_digit_numeric));
TRY(callback(pattern.fractional_second_digits, vm.names.fractionalSecondDigits, Empty {}));
TRY(callback(pattern.time_zone_name, vm.names.timeZoneName, time_zone));
return {};
}
}
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