// input is UTC
void msToGregorianDateTime(VM& vm, double ms, WTF::TimeType outputTimeType, GregorianDateTime& tm)
{
LocalTimeOffset localTime;
if (outputTimeType == WTF::LocalTime) {
localTime = localTimeOffset(vm, ms);
ms += localTime.offset;
}
const int year = msToYear(ms);
tm.setSecond(msToSeconds(ms));
tm.setMinute(msToMinutes(ms));
tm.setHour(msToHours(ms));
tm.setWeekDay(msToWeekDay(ms));
tm.setYearDay(dayInYear(ms, year));
tm.setMonthDay(dayInMonthFromDayInYear(tm.yearDay(), isLeapYear(year)));
tm.setMonth(monthFromDayInYear(tm.yearDay(), isLeapYear(year)));
tm.setYear(year);
tm.setIsDST(localTime.isDST);
tm.setUtcOffset(localTime.offset / WTF::msPerSecond);
}
// input is UTC
void msToGregorianDateTime(ExecState* exec, double ms, bool outputIsUTC, GregorianDateTime& tm)
{
double dstOff = 0.0;
double utcOff = 0.0;
if (!outputIsUTC) {
utcOff = getUTCOffset(exec);
dstOff = getDSTOffset(exec, ms, utcOff);
ms += dstOff + utcOff;
}
const int year = msToYear(ms);
tm.setSecond(msToSeconds(ms));
tm.setMinute(msToMinutes(ms));
tm.setHour(msToHours(ms));
tm.setWeekDay(msToWeekDay(ms));
tm.setYearDay(dayInYear(ms, year));
tm.setMonthDay(dayInMonthFromDayInYear(tm.yearDay(), isLeapYear(year)));
tm.setMonth(monthFromDayInYear(tm.yearDay(), isLeapYear(year)));
tm.setYear(year);
tm.setIsDST(dstOff != 0.0);
tm.setUtcOffset(static_cast<long>((dstOff + utcOff) / WTF::msPerSecond));
}
