1: <?php
 2: /**
 3:  * This filter cleans up CSS output by running it through a PHP-based
 4:  * optimizer/compressor.
 5:  *
 6:  * Original library (version 1.3) from http://csstidy.sourceforge.net/
 7:  *
 8:  * Parameters:
 9:  * <pre>
10:  * level - (string) Level of compression.
11:  *         DEFAULT: 'highest_compression'
12:  * ob - (boolean) If true, return Csstidy object instead of string.
13:  *      DEFAULT: false
14:  * preserve_css - (boolean) Set preserve_css flag in csstidy engine?
15:  *                DEFAULT: true
16:  * </pre>
17:  *
18:  * Copyright 2009-2012 Horde LLC (http://www.horde.org/)
19:  *
20:  * See the enclosed file COPYING for license information (GPL). If you
21:  * did not receive this file, see http://www.horde.org/licenses/gpl.
22:  *
23:  * @author   Michael Slusarz <slusarz@horde.org>
24:  * @category Horde
25:  * @license  http://www.horde.org/licenses/gpl GPL
26:  * @package  Text_Filter
27:  */
28: class Horde_Text_Filter_Csstidy extends Horde_Text_Filter_Base
29: {
30:     /**
31:      * Filter parameters.
32:      *
33:      * @var array
34:      */
35:     protected $_params = array(
36:         'level' => 'highest_compression',
37:         'ob' => false,
38:         'preserve_css' => true
39:     );
40: 
41:     /**
42:      * Executes any code necessary after applying the filter patterns.
43:      *
44:      * @param string $text  The text after the filtering.
45:      *
46:      * @return mixed  The modified text, or the Csstidy object if
47:      *                the 'ob' parameter is true.
48:      */
49:     public function postProcess($text)
50:     {
51:         /* Can't autoload since csstidy is an external package that doesn't
52:          * conform to Horde naming standards. */
53:         require_once dirname(__FILE__) . '/Csstidy/class.csstidy.php';
54: 
55:         $css_tidy = new csstidy();
56:         $css_tidy->set_cfg('preserve_css', $this->_params['preserve_css']);
57:         $css_tidy->load_template($this->_params['level']);
58:         $css_tidy->parse($text);
59: 
60:         return empty($this->_params['ob'])
61:             ? $css_tidy->print->plain()
62:             : $css_tidy;
63:     }
64: 
65: }
66: