<?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_Pdf

 * @subpackage Actions

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: RecursivelyIteratableObjectsContainer.php 24593 2012-01-05 20:35:02Z matthew $

 */

/**

 * Iteratable objects container

 *

 * @package    Zend_Pdf

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Pdf_RecursivelyIteratableObjectsContainer implements RecursiveIterator, Countable

{

    protected $_objects = array();

    public function __construct(array $objects) { $this->_objects = $objects; }

    public function current()      { return current($this->_objects);            }

    public function key()          { return key($this->_objects);                }

    public function next()         { return next($this->_objects);               }

    public function rewind()       { return reset($this->_objects);              }

    public function valid()        { return current($this->_objects) !== false;  }

    public function getChildren()  { return current($this->_objects);            }

    public function hasChildren()  { return count($this->_objects) > 0;          }

    public function count() { return count($this->_objects); }

}