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ParamFilter.php
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ParamFilter.php
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<?php
namespace Sabre\CardDAV\Xml\Filter;
use Sabre\Xml\Element;
use Sabre\Xml\Reader;
use Sabre\DAV\Exception\BadRequest;
use Sabre\CardDAV\Plugin;
/**
* ParamFilter parser.
*
* This class parses the {urn:ietf:params:xml:ns:carddav}param-filter XML
* element, as defined in:
*
* http://tools.ietf.org/html/rfc6352#section-10.5.2
*
* The result will be spit out as an 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
*/
abstract class ParamFilter implements Element {
/**
* 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) {
$result = [
'name' => null,
'is-not-defined' => false,
'text-match' => null,
];
$att = $reader->parseAttributes();
$result['name'] = $att['name'];
$elems = $reader->parseInnerTree();
if (is_array($elems)) foreach ($elems as $elem) {
switch ($elem['name']) {
case '{' . Plugin::NS_CARDDAV . '}is-not-defined' :
$result['is-not-defined'] = true;
break;
case '{' . Plugin::NS_CARDDAV . '}text-match' :
$matchType = isset($elem['attributes']['match-type']) ? $elem['attributes']['match-type'] : 'contains';
if (!in_array($matchType, ['contains', 'equals', 'starts-with', 'ends-with'])) {
throw new BadRequest('Unknown match-type: ' . $matchType);
}
$result['text-match'] = [
'negate-condition' => isset($elem['attributes']['negate-condition']) && $elem['attributes']['negate-condition'] === 'yes',
'collation' => isset($elem['attributes']['collation']) ? $elem['attributes']['collation'] : 'i;unicode-casemap',
'value' => $elem['value'],
'match-type' => $matchType,
];
break;
}
}
return $result;
}
}

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