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<?php
declare(strict_types=1);
namespace Sabre\DAVACL\Xml\Request;
use Sabre\Xml\Reader;
use Sabre\Xml\XmlDeserializable;
/**
* ExpandProperty request parser.
*
* This class parses the {DAV:}expand-property REPORT, as defined in:
*
* http://tools.ietf.org/html/rfc3253#section-3.8
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class ExpandPropertyReport implements XmlDeserializable
{
/**
* An array with requested properties.
*
* The requested properties will be used as keys in this array. The value
* is normally null.
*
* If the value is an array though, it means the property must be expanded.
* Within the array, the sub-properties, which themselves may be null or
* arrays.
*
* @var array
*/
public $properties;
/**
* The deserialize method is called during xml parsing.
*
* This method is called statically, 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.
*
* @return mixed
*/
public static function xmlDeserialize(Reader $reader)
{
$elems = $reader->parseInnerTree();
$obj = new self();
$obj->properties = self::traverse($elems);
return $obj;
}
/**
* This method is used by deserializeXml, to recursively parse the
* {DAV:}property elements.
*
* @param array $elems
*
* @return array
*/
private static function traverse($elems)
{
$result = [];
foreach ($elems as $elem) {
if ('{DAV:}property' !== $elem['name']) {
continue;
}
$namespace = isset($elem['attributes']['namespace']) ?
$elem['attributes']['namespace'] :
'DAV:';
$propName = '{'.$namespace.'}'.$elem['attributes']['name'];
$value = null;
if (is_array($elem['value'])) {
$value = self::traverse($elem['value']);
}
$result[$propName] = $value;
}
return $result;
}
}
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