ladybird/Libraries/LibJS/Runtime/Date.cpp

124 lines
3.3 KiB
C++

/*
* Copyright (c) 2020, Linus Groh <mail@linusgroh.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/StringBuilder.h>
#include <LibCore/DateTime.h>
#include <LibJS/Heap/Heap.h>
#include <LibJS/Runtime/Date.h>
#include <LibJS/Runtime/GlobalObject.h>
namespace JS {
Date* Date::create(GlobalObject& global_object, Core::DateTime datetime, u16 milliseconds)
{
return global_object.heap().allocate<Date>(global_object, datetime, milliseconds, *global_object.date_prototype());
}
Date::Date(Core::DateTime datetime, u16 milliseconds, Object& prototype)
: Object(prototype)
, m_datetime(datetime)
, m_milliseconds(milliseconds)
{
}
Date::~Date()
{
}
tm Date::to_utc_tm() const
{
time_t timestamp = m_datetime.timestamp();
struct tm tm;
gmtime_r(&timestamp, &tm);
return tm;
}
int Date::utc_date() const
{
return to_utc_tm().tm_mday;
}
int Date::utc_day() const
{
return to_utc_tm().tm_wday;
}
int Date::utc_full_year() const
{
return to_utc_tm().tm_year + 1900;
}
int Date::utc_hours() const
{
return to_utc_tm().tm_hour;
}
int Date::utc_minutes() const
{
return to_utc_tm().tm_min;
}
int Date::utc_month() const
{
return to_utc_tm().tm_mon;
}
int Date::utc_seconds() const
{
return to_utc_tm().tm_sec;
}
String Date::iso_date_string() const
{
auto tm = to_utc_tm();
int year = tm.tm_year + 1900;
int month = tm.tm_mon + 1;
StringBuilder builder;
if (year < 0)
builder.appendf("-%06d", -year);
else if (year > 9999)
builder.appendf("+%06d", year);
else
builder.appendf("%04d", year);
builder.append('-');
builder.appendf("%02d", month);
builder.append('-');
builder.appendf("%02d", tm.tm_mday);
builder.append('T');
builder.appendf("%02d", tm.tm_hour);
builder.append(':');
builder.appendf("%02d", tm.tm_min);
builder.append(':');
builder.appendf("%02d", tm.tm_sec);
builder.append('.');
builder.appendf("%03d", m_milliseconds);
builder.append('Z');
return builder.build();
}
}