public function parseData($contents)
{
$calendar = new ICalendar();
$nesting = array();
$contents = str_replace("\r\n", "\n", $contents);
$lines = explode("\n", $this->unfold($contents));
foreach ($lines as $line) {
$contentline = $this->contentline($line);
$contentname = $contentline['name'];
$value = $contentline['value'];
$params = $contentline['params'];
switch($contentname) {
case 'BEGIN':
switch ($value) {
case 'VEVENT':
$addEvent = true;
$nesting[] = new $this->eventClass;
break;
case 'VCALENDAR':
$nesting[] = $calendar;
break;
case 'VTIMEZONE':
$nesting[] = new ICalTimeZone();
break;
case 'DAYLIGHT':
$nesting[] = new ICalDaylight();
break;
case 'STANDARD':
$nesting[] = new ICalStandard();
break;
case 'VTODO':
$nesting[] = new ICalTodo();
break;
case 'VJOURNAL':
$nesting[] = new ICalJournal();
break;
case 'VFREEBUSY':
$nesting[] = new ICalFreeBusy();
break;
case 'VALARM':
$nesting[] = new ICalAlarm();
break;
default:
if ($this->haltOnParseErrors) {
throw new ICalendarException('unknown component type ' . $value);
} else {
error_log('unknown component type ' . $value);
}
break;
}
break;
case 'END':
$last_object = array_pop($nesting);
$last_obj_name = $last_object->get_name();
if ($last_obj_name != $value) {
if ($this->haltOnParseErrors) {
throw new ICalendarException("BEGIN $last_obj_name ended by END $value");
} else {
error_log("BEGIN $last_obj_name ended by END $value");
$value = null; //throw it away
}
}
switch ($value) {
case 'VEVENT':
if ($calendar->timezone) {
$last_object->set_attribute('TZID', $calendar->timezone->tzid);
}
if ($addEvent) {
$calendar->add_event($last_object);
}
break;
case 'VTIMEZONE':
$calendar->timezone = $last_object;
break;
case 'VCALENDAR':
break 3;
}
break;
default:
try {
end($nesting)->set_attribute($contentname, $value, $params);
} catch (Exception $e) {
if ($this->haltOnParseErrors) {
throw $e;
}
error_log($e->getMessage());
$addEvent = false;
}
break;
}
}
$this->setTotalItems(count($calendar->getEvents()));
return $calendar;
}
