<?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); }
  }