File indexing completed on 2024-05-12 06:03:16

 <?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_View
  * @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    $Id$
  */
 
 /**
  * Stream wrapper to convert markup of mostly-PHP templates into PHP prior to
  * include().
  *
  * Based in large part on the example at
  * http://www.php.net/manual/en/function.stream-wrapper-register.php
  *
  * As well as the example provided at:
  *     http://mikenaberezny.com/2006/02/19/symphony-templates-ruby-erb/
  * written by
  *     Mike Naberezny (@link http://mikenaberezny.com)
  *     Paul M. Jones  (@link http://paul-m-jones.com)
  *
  * @category   Zend
  * @package    Zend_View
  * @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_View_Stream
 {
     /**
      * Current stream position.
      *
      * @var int
      */
     protected $_pos = 0;
 
     /**
      * Data for streaming.
      *
      * @var string
      */
     protected $_data;
 
     /**
      * Stream stats.
      *
      * @var array
      */
     protected $_stat;
 
     /**
      * Opens the script file and converts markup.
      */
     public function stream_open($path, $mode, $options, &$opened_path)
     {
         // get the view script source
         $path        = str_replace('zend.view://', '', $path);
         $this->_data = file_get_contents($path);
 
         /**
          * If reading the file failed, update our local stat store
          * to reflect the real stat of the file, then return on failure
          */
         if ($this->_data === false) {
             $this->_stat = stat($path);
             return false;
         }
 
         /**
          * Convert <?= ?> to long-form <?php echo ?> and <? ?> to <?php ?>
          *
          */
         $this->_data = preg_replace('/\<\?\=/',          "<?php echo ",  $this->_data);
         $this->_data = preg_replace('/<\?(?!xml|php)/s', '<?php ',       $this->_data);
 
         /**
          * file_get_contents() won't update PHP's stat cache, so we grab a stat
          * of the file to prevent additional reads should the script be
          * requested again, which will make include() happy.
          */
         $this->_stat = stat($path);
 
         return true;
     }
 
     /**
      * Included so that __FILE__ returns the appropriate info
      *
      * @return array
      */
     public function url_stat()
     {
         return $this->_stat;
     }
 
     /**
      * Reads from the stream.
      */
     public function stream_read($count)
     {
         $ret = substr($this->_data, $this->_pos, $count);
         $this->_pos += strlen($ret);
         return $ret;
     }
 
 
     /**
      * Tells the current position in the stream.
      */
     public function stream_tell()
     {
         return $this->_pos;
     }
 
 
     /**
      * Tells if we are at the end of the stream.
      */
     public function stream_eof()
     {
         return $this->_pos >= strlen($this->_data);
     }
 
 
     /**
      * Stream statistics.
      */
     public function stream_stat()
     {
         return $this->_stat;
     }
 
 
     /**
      * Seek to a specific point in the stream.
      */
     public function stream_seek($offset, $whence)
     {
         switch ($whence) {
             case SEEK_SET:
                 if ($offset < strlen($this->_data) && $offset >= 0) {
                 $this->_pos = $offset;
                     return true;
                 } else {
                     return false;
                 }
                 break;
 
             case SEEK_CUR:
                 if ($offset >= 0) {
                     $this->_pos += $offset;
                     return true;
                 } else {
                     return false;
                 }
                 break;
 
             case SEEK_END:
                 if (strlen($this->_data) + $offset >= 0) {
                     $this->_pos = strlen($this->_data) + $offset;
                     return true;
                 } else {
                     return false;
                 }
                 break;
 
             default:
                 return false;
         }
     }
 }