library/Zend/Pdf/RecursivelyIteratableObjectsContainer.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Pdf
  17  * @subpackage Actions
  18  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  19  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  20  * @version    $Id$
  21  */
  22
  23 /**
  24  * Iteratable objects container
  25  *
  26  * @package    Zend_Pdf
  27  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  28  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  29  */
  30 class Zend_Pdf_RecursivelyIteratableObjectsContainer implements RecursiveIterator, Countable
  31 {
  32     protected $_objects = array();
  33
  34     public function __construct(array $objects) { $this->_objects = $objects; }
  35
  36     public function current()      { return current($this->_objects);            }
  37     public function key()          { return key($this->_objects);                }
  38     public function next()         { return next($this->_objects);               }
  39     public function rewind()       { return reset($this->_objects);              }
  40     public function valid()        { return current($this->_objects) !== false;  }
  41     public function getChildren()  { return current($this->_objects);            }
  42     public function hasChildren()  { return count($this->_objects) > 0;          }
  43
  44     public function count() { return count($this->_objects); }
  45 }