File indexing completed on 2024-12-22 05:36:56

 <?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /** Internally used classes */
 // require_once 'Zend/Pdf/Element.php';
 
 
 /**
  * PDF name tree representation class
  *
  * @todo implement lazy resource loading so resources will be really loaded at access time
  *
  * @package    Zend_Pdf
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Pdf_NameTree implements ArrayAccess, Iterator, Countable
 {
     /**
      * Elements
      * Array of name => object tree entries
      *
      * @var array
      */
     protected $_items = array();
 
     /**
      * Object constructor
      *
      * @param Zend_Pdf_Element $rootDictionary root of name dictionary
      */
     public function __construct(Zend_Pdf_Element $rootDictionary)
     {
         if ($rootDictionary->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {
             // require_once 'Zend/Pdf/Exception.php';
             throw new Zend_Pdf_Exception('Name tree root must be a dictionary.');
         }
 
         $intermediateNodes = array();
         $leafNodes         = array();
         if ($rootDictionary->Kids !== null) {
             $intermediateNodes[] = $rootDictionary;
         } else {
             $leafNodes[] = $rootDictionary;
         }
 
         while (count($intermediateNodes) != 0) {
             $newIntermediateNodes = array();
             foreach ($intermediateNodes as $node) {
                 foreach ($node->Kids->items as $childNode) {
                     if ($childNode->Kids !== null) {
                         $newIntermediateNodes[] = $childNode;
                     } else {
                         $leafNodes[] = $childNode;
                     }
                 }
             }
             $intermediateNodes = $newIntermediateNodes;
         }
 
         foreach ($leafNodes as $leafNode) {
             $destinationsCount = count($leafNode->Names->items)/2;
             for ($count = 0; $count < $destinationsCount; $count++) {
                 $this->_items[$leafNode->Names->items[$count*2]->value] = $leafNode->Names->items[$count*2 + 1];
             }
         }
     }
 
     public function current()
     {
         return current($this->_items);
     }
 
 
     public function next()
     {
         return next($this->_items);
     }
 
 
     public function key()
     {
         return key($this->_items);
     }
 
 
     public function valid() {
         return current($this->_items)!==false;
     }
 
 
     public function rewind()
     {
         reset($this->_items);
     }
 
 
     public function offsetExists($offset)
     {
         return array_key_exists($offset, $this->_items);
     }
 
 
     public function offsetGet($offset)
     {
         return $this->_items[$offset];
     }
 
 
     public function offsetSet($offset, $value)
     {
         if ($offset === null) {
             $this->_items[]        = $value;
         } else {
             $this->_items[$offset] = $value;
         }
     }
 
 
     public function offsetUnset($offset)
     {
         unset($this->_items[$offset]);
     }
 
 
     public function clear()
     {
         $this->_items = array();
     }
 
     public function count()
     {
         return count($this->_items);
     }
 }