/**
* Serializes a xCal or xCard object.
*
* @param Component $component
*
* @return string
*/
static function writeXml(Component $component)
{
$writer = new Xml\Writer();
$writer->openMemory();
$writer->setIndent(true);
$writer->startDocument('1.0', 'utf-8');
if ($component instanceof Component\VCalendar) {
$writer->startElement('icalendar');
$writer->writeAttribute('xmlns', Parser\Xml::XCAL_NAMESPACE);
} else {
$writer->startElement('vcards');
$writer->writeAttribute('xmlns', Parser\Xml::XCARD_NAMESPACE);
}
$component->xmlSerialize($writer);
$writer->endElement();
return $writer->outputMemory();
}
