/**
* Helper function - creates an object of type SMWTimeValue based
* on a "Julian day" integer
*/
protected static function jdToTimeValue($jd)
{
$timeDataItem = SMWDITime::newFromJD($jd, SMWDITime::CM_GREGORIAN, SMWDITime::PREC_YMDT);
$timeValue = new SMWTimeValue('_dat');
$timeValue->setDataItem($timeDataItem);
return $timeValue;
}
/**
* @dataProvider jdProvider
*/
public function testNewFromJD($jd, $expected)
{
$this->assertEquals(DITime::doUnserialize($expected), DITime::newFromJD($jd));
}
/**
* Initialise data from the provided intermediate results after
* parsing, assuming that a conventional date notation is used.
* If errors occur, error messages are added to the objects list of
* errors, and false is returned. Otherwise, true is returned.
* @param $datecomponents array of strings that might belong to the specification of a date
* @param $calendarmodesl string if model was set in input, otherwise false
* @param $era string '+' or '-' if provided, otherwise false
* @param $hours integer value between 0 and 24
* @param $minutes integer value between 0 and 59
* @param $seconds integer value between 0 and 59, or false if not given
* @param $timeoffset double value for time offset (e.g. 3.5), or false if not given
* @return boolean stating if successful
*/
protected function setDateFromParsedValues($datecomponents, $calendarmodel, $era, $hours, $minutes, $seconds, $timeoffset)
{
$date = false;
if (!$this->interpretDateComponents($datecomponents, $date)) {
return false;
}
// Handle BC: the year is negative.
if ($era == '-' && $date['y'] > 0) {
// see class documentation on BC, "year 0", and ISO conformance ...
$date['y'] = -$date['y'];
}
// Old Style is a special case of Julian calendar model where the change of the year was 25 March:
if ($calendarmodel == 'OS' && ($date['m'] < 3 || $date['m'] == 3 && $date['d'] < 25)) {
$date['y']++;
}
$calmod = $this->getCalendarModel($calendarmodel, $date['y'], $date['m'], $date['d']);
try {
$this->m_dataitem = new SMWDITime($calmod, $date['y'], $date['m'], $date['d'], $hours, $minutes, $seconds, $this->m_typeid);
} catch (SMWDataItemException $e) {
$this->addError(wfMessage('smw_nodatetime', $this->m_wikivalue)->inContentLanguage()->text());
return false;
}
// Having more than years or specifying a calendar model does
// not make sense for prehistoric dates, and our calendar
// conversion would not be reliable if JD numbers get too huge:
if ($date['y'] <= self::PREHISTORY && ($this->m_dataitem->getPrecision() > SMWDITime::PREC_Y || $calendarmodel !== false)) {
$this->addError(wfMessage('smw_nodatetime', $this->m_wikivalue)->inContentLanguage()->text());
return false;
}
if ($timeoffset != 0) {
$newjd = $this->m_dataitem->getJD() - $timeoffset / 24;
try {
$this->m_dataitem = SMWDITime::newFromJD($newjd, $calmod, $this->m_dataitem->getPrecision(), $this->m_typeid);
} catch (SMWDataItemException $e) {
$this->addError(wfMessage('smw_nodatetime', $this->m_wikivalue)->inContentLanguage()->text());
return false;
}
}
return true;
}
