1: <?php
 2: /**
 3:  * Copyright 2007-2008 Maintainable Software, LLC
 4:  * Copyright 2008-2012 Horde LLC (http://www.horde.org/)
 5:  *
 6:  * @author     Mike Naberezny <mike@maintainable.com>
 7:  * @author     Derek DeVries <derek@maintainable.com>
 8:  * @author     Chuck Hagenbuch <chuck@horde.org>
 9:  * @license    http://www.horde.org/licenses/bsd
10:  * @category   Horde
11:  * @package    View
12:  * @subpackage Helper
13:  */
14: 
15: /**
16:  * An instance of this class is returned by
17:  * Horde_View_Helper_Capture::capture().
18:  *
19:  * @author     Mike Naberezny <mike@maintainable.com>
20:  * @author     Derek DeVries <derek@maintainable.com>
21:  * @author     Chuck Hagenbuch <chuck@horde.org>
22:  * @license    http://www.horde.org/licenses/bsd
23:  * @category   Horde
24:  * @package    View
25:  * @subpackage Helper
26:  */
27: class Horde_View_Helper_Capture_Base
28: {
29:     /**
30:      * Are we currently buffering?
31:      *
32:      * @var boolean
33:      */
34:     protected $_buffering = true;
35: 
36:     /**
37:      * Starts capturing.
38:      */
39:     public function __construct()
40:     {
41:         ob_start();
42:     }
43: 
44:     /**
45:      * Stops capturing and returns what was captured.
46:      *
47:      * @return string  The captured string.
48:      * @throws Horde_View_Exception
49:      */
50:     public function end()
51:     {
52:         if ($this->_buffering) {
53:             $this->_buffering = false;
54:             $output = ob_get_clean();
55:             return $output;
56:         } else {
57:             throw new Horde_View_Exception('Capture already ended');
58:         }
59:     }
60: }
61: