0c63f0bf73
The ECMAScript spec says that Date parsing can support any number of implementation-defined date formats. So let's support a format commonly used on the web. And let Core::DateTime do the heavy lifting. :^)
105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
/*
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* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibCore/DateTime.h>
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#include <LibJS/Runtime/Object.h>
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namespace JS {
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class Date final : public Object {
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JS_OBJECT(Date, Object);
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public:
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static constexpr double time_clip = 8.64e15;
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static Date* create(GlobalObject&, Core::DateTime, i16 milliseconds, bool is_invalid);
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static Date* now(GlobalObject&);
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Date(Core::DateTime datetime, i16 milliseconds, bool is_invalid, Object& prototype);
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virtual ~Date() override;
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Core::DateTime& datetime() { return m_datetime; }
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const Core::DateTime& datetime() const { return m_datetime; }
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int date() const { return datetime().day(); }
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int day() const { return datetime().weekday(); }
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int hours() const { return datetime().hour(); }
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i16 milliseconds() const { return m_milliseconds; }
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int minutes() const { return datetime().minute(); }
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int month() const { return datetime().month() - 1; }
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int seconds() const { return datetime().second(); }
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double time() const { return datetime().timestamp() * 1000.0 + milliseconds(); }
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int year() const { return datetime().year(); }
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bool is_invalid() const { return m_is_invalid; }
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void set_is_invalid(bool value) { m_is_invalid = value; }
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int utc_date() const;
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int utc_day() const;
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int utc_full_year() const;
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int utc_hours() const;
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int utc_milliseconds() const { return milliseconds(); }
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int utc_minutes() const;
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int utc_month() const;
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int utc_seconds() const;
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void set_milliseconds(i16 milliseconds)
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{
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m_milliseconds = milliseconds;
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}
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// FIXME: Support %04Y in Core::DateTime::to_string()
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String date_string() const { return String::formatted(m_datetime.to_string("%a %b %d {:04}"), m_datetime.year()); }
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// FIXME: Deal with timezones once SerenityOS has a working tzset(3)
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String time_string() const { return m_datetime.to_string("%T GMT+0000 (UTC)"); }
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String string() const
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{
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if (is_invalid())
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return "Invalid Date";
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return String::formatted("{} {}", date_string(), time_string());
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}
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String gmt_date_string() const;
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String iso_date_string() const;
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// FIXME: One day, implement real locale support. Until then, everyone gets what the Clock Applet displays.
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String locale_date_string() const { return m_datetime.to_string("%Y-%m-%d"); }
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String locale_string() const { return m_datetime.to_string(); }
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String locale_time_string() const { return m_datetime.to_string("%H:%M:%S"); }
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virtual Value value_of() const override
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{
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return Value(static_cast<double>(m_datetime.timestamp() * 1000 + m_milliseconds));
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}
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private:
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tm to_utc_tm() const;
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Core::DateTime m_datetime;
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i16 m_milliseconds;
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bool m_is_invalid { false };
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};
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u16 day_within_year(double);
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u8 date_from_time(double);
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u16 days_in_year(i32);
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double day_from_year(i32);
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i32 year_from_time(double);
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bool in_leap_year(double);
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u8 month_from_time(double);
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u8 hour_from_time(double);
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u8 min_from_time(double);
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u8 sec_from_time(double);
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u16 ms_from_time(double);
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double day(double);
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Value make_time(GlobalObject& global_object, Value hour, Value min, Value sec, Value ms);
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Value make_day(GlobalObject& global_object, Value year, Value month, Value date);
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Value make_date(Value day, Value time);
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}
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