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Prop.php
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Prop.php
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<?php
namespace Sabre\DAV\Xml\Element;
use Sabre\DAV\Xml\Property\Complex;
use Sabre\Xml\XmlDeserializable;
use Sabre\Xml\Reader;
/**
* This class is responsible for decoding the {DAV:}prop element as it appears
* in {DAV:}property-update.
*
* This class doesn't return an instance of itself. It just returns a
* key->value array.
*
* @copyright Copyright (C) 2007-2015 fruux GmbH. (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class Prop implements XmlDeserializable {
/**
* 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 $reader) {
// If there's no children, we don't do anything.
if ($reader->isEmptyElement) {
$reader->next();
return [];
}
$values = [];
$reader->read();
do {
if ($reader->nodeType === Reader::ELEMENT) {
$clark = $reader->getClark();
$values[$clark] = self::parseCurrentElement($reader)['value'];
} else {
$reader->read();
}
} while ($reader->nodeType !== Reader::END_ELEMENT);
$reader->read();
return $values;
}
/**
* This function behaves similar to Sabre\Xml\Reader::parseCurrentElement,
* but instead of creating deep xml array structures, it will turn any
* top-level element it doesn't recognize into either a string, or an
* XmlFragment class.
*
* This method returns arn array with 2 properties:
* * name - A clark-notation XML element name.
* * value - The parsed value.
*
* @param Reader $reader
* @return array
*/
private static function parseCurrentElement(Reader $reader) {
$name = $reader->getClark();
if (array_key_exists($name, $reader->elementMap)) {
$deserializer = $reader->elementMap[$name];
if (is_subclass_of($deserializer, 'Sabre\\Xml\\XmlDeserializable')) {
$value = call_user_func([ $deserializer, 'xmlDeserialize' ], $reader);
} elseif (is_callable($deserializer)) {
$value = call_user_func($deserializer, $reader);
} else {
$type = gettype($deserializer);
if ($type === 'string') {
$type .= ' (' . $deserializer . ')';
} elseif ($type === 'object') {
$type .= ' (' . get_class($deserializer) . ')';
}
throw new \LogicException('Could not use this type as a deserializer: ' . $type);
}
} else {
$value = Complex::xmlDeserialize($reader);
}
return [
'name' => $name,
'value' => $value,
];
}
}

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