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CompFilter.php
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CompFilter.php
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<?php
namespace Sabre\CalDAV\Xml\Filter;
use Sabre\Xml\Reader;
use Sabre\Xml\XmlDeserializable;
use Sabre\DAV\Exception\BadRequest;
use Sabre\CalDAV\Plugin;
use Sabre\VObject\DateTimeParser;
/**
* CompFilter parser.
*
* This class parses the {urn:ietf:params:xml:ns:caldav}comp-filter XML
* element, as defined in:
*
* https://tools.ietf.org/html/rfc4791#section-9.6
*
* The result will be spit out as an array.
*
* @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://sabre.io/license/ Modified BSD License
*/
class CompFilter 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) {
$result = [
'name' => null,
'is-not-defined' => false,
'comp-filters' => [],
'prop-filters' => [],
'time-range' => false,
];
$att = $reader->parseAttributes();
$result['name'] = $att['name'];
$elems = $reader->parseInnerTree();
if (is_array($elems)) foreach ($elems as $elem) {
switch ($elem['name']) {
case '{' . Plugin::NS_CALDAV . '}comp-filter' :
$result['comp-filters'][] = $elem['value'];
break;
case '{' . Plugin::NS_CALDAV . '}prop-filter' :
$result['prop-filters'][] = $elem['value'];
break;
case '{' . Plugin::NS_CALDAV . '}is-not-defined' :
$result['is-not-defined'] = true;
break;
case '{' . Plugin::NS_CALDAV . '}time-range' :
if ($result['name'] === 'VCALENDAR') {
throw new BadRequest('You cannot add time-range filters on the VCALENDAR component');
}
$result['time-range'] = [
'start' => isset($elem['attributes']['start']) ? DateTimeParser::parseDateTime($elem['attributes']['start']) : null,
'end' => isset($elem['attributes']['end']) ? DateTimeParser::parseDateTime($elem['attributes']['end']) : null,
];
if ($result['time-range']['start'] && $result['time-range']['end'] && $result['time-range']['end'] <= $result['time-range']['start']) {
throw new BadRequest('The end-date must be larger than the start-date');
}
break;
}
}
return $result;
}
}

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CompFilter.php (3 KB)

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