mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-21 23:20:20 +00:00
dd6acfecd4
The production for these strings has been removed from Temporal. This implements a separate parser in accordance with the Date spec.
100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
/*
|
|
* Copyright (c) 2020-2022, Linus Groh <linusg@serenityos.org>
|
|
* Copyright (c) 2022-2024, Tim Flynn <trflynn89@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibCrypto/BigInt/SignedBigInteger.h>
|
|
#include <LibJS/Runtime/Object.h>
|
|
#include <LibUnicode/TimeZone.h>
|
|
|
|
namespace JS {
|
|
|
|
class Date final : public Object {
|
|
JS_OBJECT(Date, Object);
|
|
GC_DECLARE_ALLOCATOR(Date);
|
|
|
|
public:
|
|
static GC::Ref<Date> create(Realm&, double date_value);
|
|
|
|
// Out of line to ensure we have a key function
|
|
virtual ~Date() override;
|
|
|
|
double date_value() const { return m_date_value; }
|
|
void set_date_value(double value) { m_date_value = value; }
|
|
|
|
ErrorOr<String> iso_date_string() const;
|
|
|
|
private:
|
|
Date(double date_value, Object& prototype);
|
|
|
|
double m_date_value { 0 }; // [[DateValue]]
|
|
};
|
|
|
|
// 21.4.1.22 Time Zone Identifier Record, https://tc39.es/ecma262/#sec-time-zone-identifier-record
|
|
struct TimeZoneIdentifier {
|
|
String identifier; // [[Identifier]]
|
|
String primary_identifier; // [[PrimaryIdentifier]]
|
|
};
|
|
|
|
// https://tc39.es/ecma262/#eqn-HoursPerDay
|
|
constexpr inline double hours_per_day = 24;
|
|
// https://tc39.es/ecma262/#eqn-MinutesPerHour
|
|
constexpr inline double minutes_per_hour = 60;
|
|
// https://tc39.es/ecma262/#eqn-SecondsPerMinute
|
|
constexpr inline double seconds_per_minute = 60;
|
|
// https://tc39.es/ecma262/#eqn-msPerSecond
|
|
constexpr inline double ms_per_second = 1'000;
|
|
// https://tc39.es/ecma262/#eqn-msPerMinute
|
|
constexpr inline double ms_per_minute = 60'000;
|
|
// https://tc39.es/ecma262/#eqn-msPerHour
|
|
constexpr inline double ms_per_hour = 3'600'000;
|
|
// https://tc39.es/ecma262/#eqn-msPerDay
|
|
constexpr inline double ms_per_day = 86'400'000;
|
|
// https://tc39.es/proposal-temporal/#eqn-nsPerDay
|
|
constexpr inline double ns_per_day = 86'400'000'000'000;
|
|
extern Crypto::SignedBigInteger const ns_per_day_bigint;
|
|
|
|
struct UTCOffset {
|
|
Optional<char> sign;
|
|
Optional<u8> hour;
|
|
Optional<u8> minute;
|
|
Optional<u8> second;
|
|
Optional<StringView> fraction;
|
|
};
|
|
|
|
double day(double);
|
|
double time_within_day(double);
|
|
u16 days_in_year(i32);
|
|
double day_from_year(i32);
|
|
double time_from_year(i32);
|
|
i32 year_from_time(double);
|
|
u16 day_within_year(double);
|
|
bool in_leap_year(double);
|
|
u8 month_from_time(double);
|
|
u8 date_from_time(double);
|
|
u8 week_day(double);
|
|
u8 hour_from_time(double);
|
|
u8 min_from_time(double);
|
|
u8 sec_from_time(double);
|
|
u16 ms_from_time(double);
|
|
Crypto::SignedBigInteger get_utc_epoch_nanoseconds(i32 year, u8 month, u8 day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond);
|
|
Vector<Crypto::SignedBigInteger> get_named_time_zone_epoch_nanoseconds(StringView time_zone_identifier, i32 year, u8 month, u8 day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond);
|
|
Unicode::TimeZoneOffset get_named_time_zone_offset_nanoseconds(StringView time_zone_identifier, Crypto::SignedBigInteger const& epoch_nanoseconds);
|
|
Unicode::TimeZoneOffset get_named_time_zone_offset_milliseconds(StringView time_zone_identifier, double epoch_milliseconds);
|
|
String system_time_zone_identifier();
|
|
void clear_system_time_zone_cache();
|
|
double local_time(double time);
|
|
double utc_time(double time);
|
|
double make_time(double hour, double min, double sec, double ms);
|
|
double make_day(double year, double month, double date);
|
|
double make_date(double day, double time);
|
|
double time_clip(double time);
|
|
Optional<UTCOffset> parse_utc_offset(StringView);
|
|
bool is_time_zone_offset_string(StringView offset_string);
|
|
double parse_time_zone_offset_string(StringView offset_string);
|
|
|
|
}
|