library/Zend/View.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_View
  17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version    $Id$
  20  */
  21
  22
  23 /**
  24  * Abstract master class for extension.
  25  */
  26 require_once 'Zend/View/Abstract.php';
  27
  28
  29 /**
  30  * Concrete class for handling view scripts.
  31  *
  32  * @category   Zend
  33  * @package    Zend_View
  34  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  35  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  36  */
  37 class Zend_View extends Zend_View_Abstract
  38 {
  39     /**
  40      * Whether or not to use streams to mimic short tags
  41      * @var bool
  42      */
  43     private $_useViewStream = false;
  44
  45     /**
  46      * Whether or not to use stream wrapper if short_open_tag is false
  47      * @var bool
  48      */
  49     private $_useStreamWrapper = false;
  50
  51     /**
  52      * Constructor
  53      *
  54      * Register Zend_View_Stream stream wrapper if short tags are disabled.
  55      *
  56      * @param  array $config
  57      * @return void
  58      */
  59     public function __construct($config = array())
  60     {
  61         $this->_useViewStream = (bool) ini_get('short_open_tag') ? false : true;
  62         if ($this->_useViewStream) {
  63             if (!in_array('zend.view', stream_get_wrappers())) {
  64                 require_once 'Zend/View/Stream.php';
  65                 stream_wrapper_register('zend.view', 'Zend_View_Stream');
  66             }
  67         }
  68
  69         if (array_key_exists('useStreamWrapper', $config)) {
  70             $this->setUseStreamWrapper($config['useStreamWrapper']);
  71         }
  72
  73         parent::__construct($config);
  74     }
  75
  76     /**
  77      * Set flag indicating if stream wrapper should be used if short_open_tag is off
  78      *
  79      * @param  bool $flag
  80      * @return Zend_View
  81      */
  82     public function setUseStreamWrapper($flag)
  83     {
  84         $this->_useStreamWrapper = (bool) $flag;
  85         return $this;
  86     }
  87
  88     /**
  89      * Should the stream wrapper be used if short_open_tag is off?
  90      *
  91      * @return bool
  92      */
  93     public function useStreamWrapper()
  94     {
  95         return $this->_useStreamWrapper;
  96     }
  97
  98     /**
  99      * Includes the view script in a scope with only public $this variables.
 100      *
 101      * @param string The view script to execute.
 102      */
 103     protected function _run()
 104     {
 105         if ($this->_useViewStream && $this->useStreamWrapper()) {
 106             include 'zend.view://' . func_get_arg(0);
 107         } else {
 108             include func_get_arg(0);
 109         }
 110     }
 111 }