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/*
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Math.h>
#include <LibCore/DateTime.h>
#include <LibJS/Runtime/Object.h>
namespace JS {
class Date final : public Object {
JS_OBJECT(Date, Object);
public:
static constexpr double time_clip = 8.64e15;
static Date* create(GlobalObject&, Core::DateTime, i16 milliseconds, bool is_invalid);
static Date* now(GlobalObject&);
Date(Core::DateTime datetime, i16 milliseconds, bool is_invalid, Object& prototype);
virtual ~Date() override;
Core::DateTime& datetime() { return m_datetime; }
const Core::DateTime& datetime() const { return m_datetime; }
int date() const { return datetime().day(); }
int day() const { return datetime().weekday(); }
int hours() const { return datetime().hour(); }
i16 milliseconds() const { return m_milliseconds; }
int minutes() const { return datetime().minute(); }
int month() const { return datetime().month() - 1; }
int seconds() const { return datetime().second(); }
double time() const { return datetime().timestamp() * 1000.0 + milliseconds(); }
int year() const { return datetime().year(); }
bool is_invalid() const { return m_is_invalid; }
void set_is_invalid(bool value) { m_is_invalid = value; }
int utc_date() const;
int utc_day() const;
int utc_full_year() const;
int utc_hours() const;
int utc_milliseconds() const { return milliseconds(); }
int utc_minutes() const;
int utc_month() const;
int utc_seconds() const;
void set_milliseconds(i16 milliseconds)
{
m_milliseconds = milliseconds;
}
// FIXME: Support %04Y in Core::DateTime::to_string()
String date_string() const { return String::formatted(m_datetime.to_string("%a %b %d {:04}"), m_datetime.year()); }
// FIXME: Deal with timezones once SerenityOS has a working tzset(3)
String time_string() const { return m_datetime.to_string("%T GMT+0000 (UTC)"); }
String string() const
{
if (is_invalid())
return "Invalid Date";
return String::formatted("{} {}", date_string(), time_string());
}
String gmt_date_string() const;
String iso_date_string() const;
// FIXME: One day, implement real locale support. Until then, everyone gets what the Clock Applet displays.
String locale_date_string() const { return m_datetime.to_string("%Y-%m-%d"); }
String locale_string() const { return m_datetime.to_string(); }
String locale_time_string() const { return m_datetime.to_string("%H:%M:%S"); }
// https://tc39.es/ecma262/#sec-properties-of-date-instances
// [[DateValue]]
double date_value() const
{
return m_is_invalid
? AK::NaN<double>
: static_cast<double>(m_datetime.timestamp() * 1000 + m_milliseconds);
}
private:
tm to_utc_tm() const;
Core::DateTime m_datetime;
i16 m_milliseconds;
bool m_is_invalid { false };
};
u16 day_within_year(double);
u8 date_from_time(double);
u16 days_in_year(i32);
double day_from_year(i32);
double time_from_year(i32);
i32 year_from_time(double);
bool in_leap_year(double);
u8 month_from_time(double);
u8 hour_from_time(double);
u8 min_from_time(double);
u8 sec_from_time(double);
u16 ms_from_time(double);
u8 week_day(double);
double day(double);
Value make_time(GlobalObject& global_object, Value hour, Value min, Value sec, Value ms);
Value make_day(GlobalObject& global_object, Value year, Value month, Value date);
Value make_date(Value day, Value time);
Value time_clip(GlobalObject& global_object, Value time);
}
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