Файл: library/Zend/Ldap/Filter/Logical.php
Строк: 115
<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Ldap
* @subpackage Filter
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Logical.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* @see Zend_Ldap_Filter_Abstract
*/
require_once 'Zend/Ldap/Filter/Abstract.php';
/**
* @see Zend_Ldap_Filter_String
*/
require_once 'Zend/Ldap/Filter/String.php';
/**
* Zend_Ldap_Filter_Logical provides a base implementation for a grouping filter.
*
* @category Zend
* @package Zend_Ldap
* @subpackage Filter
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Zend_Ldap_Filter_Logical extends Zend_Ldap_Filter_Abstract
{
const TYPE_AND = '&';
const TYPE_OR = '|';
/**
* All the sub-filters for this grouping filter.
*
* @var array
*/
private $_subfilters;
/**
* The grouping symbol.
*
* @var string
*/
private $_symbol;
/**
* Creates a new grouping filter.
*
* @param array $subfilters
* @param string $symbol
*/
protected function __construct(array $subfilters, $symbol)
{
foreach ($subfilters as $key => $s) {
if (is_string($s)) $subfilters[$key] = new Zend_Ldap_Filter_String($s);
else if (!($s instanceof Zend_Ldap_Filter_Abstract)) {
/**
* @see Zend_Ldap_Filter_Exception
*/
require_once 'Zend/Ldap/Filter/Exception.php';
throw new Zend_Ldap_Filter_Exception('Only strings or Zend_Ldap_Filter_Abstract allowed.');
}
}
$this->_subfilters = $subfilters;
$this->_symbol = $symbol;
}
/**
* Adds a filter to this grouping filter.
*
* @param Zend_Ldap_Filter_Abstract $filter
* @return Zend_Ldap_Filter_Logical
*/
public function addFilter(Zend_Ldap_Filter_Abstract $filter)
{
$new = clone $this;
$new->_subfilters[] = $filter;
return $new;
}
/**
* Returns a string representation of the filter.
*
* @return string
*/
public function toString()
{
$return = '(' . $this->_symbol;
foreach ($this->_subfilters as $sub) $return .= $sub->toString();
$return .= ')';
return $return;
}
}