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<?php
/**
* @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace SearchDAV\XML;
use Sabre\Xml\Reader;
use Sabre\Xml\XmlDeserializable;
class Operator implements XmlDeserializable {
const OPERATION_AND = '{DAV:}and';
const OPERATION_OR = '{DAV:}or';
const OPERATION_NOT = '{DAV:}not';
const OPERATION_EQUAL = '{DAV:}eq';
const OPERATION_LESS_THAN = '{DAV:}lt';
const OPERATION_LESS_OR_EQUAL_THAN = '{DAV:}lte';
const OPERATION_GREATER_THAN = '{DAV:}gt';
const OPERATION_GREATER_OR_EQUAL_THAN = '{DAV:}gte';
const OPERATION_IS_COLLECTION = '{DAV:}is-collection';
const OPERATION_IS_DEFINED = '{DAV:}is-defined';
const OPERATION_IS_LIKE = '{DAV:}like';
const OPERATION_CONTAINS = '{DAV:}contains';
/**
* @var string
*
* The type of operation, one of the Operation::OPERATION_* constants
*/
public $type;
/**
* @var (Literal|string|Operation)[]
*
* The list of arguments for the operation
*
* - string: property name for comparison
* - Literal: literal value for comparison
* - Operation: nested operation for and/or/not operations
*
* Which type and what number of argument an Operator takes depends on the operator type.
*/
public $arguments;
/**
* Operator constructor.
*
* @param string $type
* @param array $arguments
*/
public function __construct($type = '', array $arguments = []) {
$this->type = $type;
$this->arguments = $arguments;
}
static function xmlDeserialize(Reader $reader) {
$operator = new self();
$operator->type = $reader->getClark();
if ($reader->isEmptyElement) {
$reader->next();
return $operator;
}
$reader->read();
do {
if ($reader->nodeType === Reader::ELEMENT) {
$argument = $reader->parseCurrentElement();
if ($argument['name'] === '{DAV:}prop') {
$operator->arguments[] = $argument['value'][0];
} else {
$operator->arguments[] = $argument['value'];
}
} else {
$reader->read();
}
} while ($reader->nodeType !== Reader::END_ELEMENT);
$reader->read();
return $operator;
}
}