RSExport void RSCalendarSetGregorianStartDate(RSCalendarRef calendar, RSDateRef date) {
RS_OBJC_FUNCDISPATCHV(RSCalendarGetTypeID(), void, calendar, _setGregorianStartDate:date);
__RSGenericValidInstance(calendar, RSCalendarGetTypeID());
if (date) __RSGenericValidInstance(date, RSDateGetTypeID());
if (!calendar->_cal) __RSCalendarSetupCal(calendar);
if (!calendar->_cal) return;
if (!date) {
UErrorCode status = U_ZERO_ERROR;
UCalendar *cal = __RSCalendarCreateUCalendar(calendar->_identifier, calendar->_tz);
UDate udate = cal ? ucal_getGregorianChange(cal, &status) : 0;
if (cal && U_SUCCESS(status)) {
status = U_ZERO_ERROR;
if (calendar->_cal) ucal_setGregorianChange(calendar->_cal, udate, &status);
}
if (cal) ucal_close(cal);
} else {
RSAbsoluteTime at = RSDateGetAbsoluteTime(date);
UDate udate = (at + RSAbsoluteTimeIntervalSince1970) * 1000.0;
UErrorCode status = U_ZERO_ERROR;
if (calendar->_cal) ucal_setGregorianChange(calendar->_cal, udate, &status);
}
}
RSExport RSUInteger RSDateGetDayOfWeek(RSDateRef date)
{
__RSDateAvailable(date);
RSGregorianDate gd = RSAbsoluteTimeGetGregorianDate(RSDateGetAbsoluteTime(date), nil);
return __RSDateGetDayOfWeek(gd.year, gd.month, gd.day);
}
static RSTypeRef __RSDateClassCopy(RSAllocatorRef allocator, RSTypeRef rs, BOOL mutableCopy)
{
RSAbsoluteTime time = RSDateGetAbsoluteTime(rs);
RSDateRef copy = RSDateCreate(allocator, time);
return copy;
}
