/** * The deserialize method is called during xml parsing. * * This method is called statictly, this is because in theory this method * may be used as a type of constructor, or factory method. * * Often you want to return an instance of the current class, but you are * free to return other data as well. * * You are responsible for advancing the reader to the next element. Not * doing anything will result in a never-ending loop. * * If you just want to skip parsing for this element altogether, you can * just call $reader->next(); * * $reader->parseInnerTree() will parse the entire sub-tree, and advance to * the next element. * * @param Reader $reader * @return mixed */ static function xmlDeserialize(Reader $reader) { $reader->pushContext(); $reader->elementMap['{DAV:}propstat'] = 'Sabre\\Xml\\Element\\KeyValue'; // We are overriding the parser for {DAV:}prop. This deserializer is // almost identical to the one for Sabre\Xml\Element\KeyValue. // // The difference is that if there are any child-elements inside of // {DAV:}prop, that have no value, normally any deserializers are // called. But we don't want this, because a singular element without // child-elements implies 'no value' in {DAV:}prop, so we want to skip // deserializers and just set null for those. $reader->elementMap['{DAV:}prop'] = function (Reader $reader) { if ($reader->isEmptyElement) { $reader->next(); return []; } $values = []; $reader->read(); do { if ($reader->nodeType === Reader::ELEMENT) { $clark = $reader->getClark(); if ($reader->isEmptyElement) { $values[$clark] = null; $reader->next(); } else { $values[$clark] = $reader->parseCurrentElement()['value']; } } else { $reader->read(); } } while ($reader->nodeType !== Reader::END_ELEMENT); $reader->read(); return $values; }; $elems = $reader->parseInnerTree(); $reader->popContext(); $href = null; $propertyLists = []; $statusCode = null; foreach ($elems as $elem) { switch ($elem['name']) { case '{DAV:}href': $href = $elem['value']; break; case '{DAV:}propstat': $status = $elem['value']['{DAV:}status']; list(, $status, ) = explode(' ', $status, 3); $properties = isset($elem['value']['{DAV:}prop']) ? $elem['value']['{DAV:}prop'] : []; $propertyLists[$status] = $properties; break; case '{DAV:}status': list(, $statusCode, ) = explode(' ', $elem['value'], 3); break; } } return new self($href, $propertyLists, $statusCode); }