/**
* Creates an recurrence object with a passed in line. Parses the line.
* @param object $line an SG_iCal_Line object which will be parsed to get the
* desired information.
*/
public function __construct(SG_iCal_Line $line)
{
$this->parseLine($line->getData());
}
/**
* Parses the feed found in content and calls storeSection to store
* parsed data
* @param string $content
* @param SG_iCal $ical
*/
private static function _Parse($content, SG_iCal $ical)
{
$main_sections = array('vevent', 'vjournal', 'vtodo', 'vtimezone', 'vcalendar');
$array_idents = array('exdate', 'rdate');
$sections = array();
$section = '';
$current_data = array();
foreach ($content as $line) {
$line = new SG_iCal_Line($line);
if ($line->isBegin()) {
// New block of data, $section = new block
$section = strtolower($line->getData());
$sections[] = strtolower($line->getData());
} elseif ($line->isEnd()) {
// End of block of data ($removed = just ended block, $section = new top-block)
$removed = array_pop($sections);
$section = end($sections);
if (array_search($removed, $main_sections) !== false) {
self::StoreSection($removed, $current_data[$removed], $ical);
$current_data[$removed] = array();
}
} else {
// Data line
foreach ($main_sections as $s) {
// Loops though the main sections
if (array_search($s, $sections) !== false) {
// This section is in the main section
if ($section == $s) {
// It _is_ the main section else
if (in_array($line->getIdent(), $array_idents)) {
//exdate could appears more that once
$current_data[$s][$line->getIdent()][] = $line;
} else {
$current_data[$s][$line->getIdent()] = $line;
}
} else {
// Sub section
$current_data[$s][$section][$line->getIdent()] = $line;
}
break;
}
}
}
}
$current_data = array();
}
/**
* Calculates the timestamp from a DT line.
* @param $line SG_iCal_Line
* @return int
*/
private function getTimestamp(SG_iCal_Line $line, SG_iCal $ical)
{
$ts = strtotime($line->getData());
if (isset($line['tzid'])) {
$tz = $ical->getTimeZoneInfo($line['tzid']);
$offset = $tz->getOffset($ts);
$ts = strtotime(date('D, d M Y H:i:s', $ts) . ' ' . $offset);
}
return $ts;
}
