1: <?php
 2: /**
 3:  * The IMP_Mime_Viewer_Enriched class renders out plain text from
 4:  * enriched content tags, ala RFC 1896
 5:  *
 6:  * Copyright 2001-2012 Horde LLC (http://www.horde.org/)
 7:  *
 8:  * See the enclosed file COPYING for license information (GPL). If you
 9:  * did not receive this file, see http://www.horde.org/licenses/gpl.
10:  *
11:  * @author   Eric Rostetter <eric.rostetter@physics.utexas.edu>
12:  * @category Horde
13:  * @license  http://www.horde.org/licenses/gpl GPL
14:  * @package  IMP
15:  */
16: class IMP_Mime_Viewer_Enriched extends Horde_Mime_Viewer_Enriched
17: {
18:     /**
19:      * Return the full rendered version of the Horde_Mime_Part object.
20:      *
21:      * @return array  See parent::render().
22:      */
23:     protected function _render()
24:     {
25:         $ret = parent::_render();
26:         if (!empty($ret)) {
27:             reset($ret);
28:             $ret[key($ret)]['data'] = $this->_IMPformat($ret[key($ret)]['data']);
29:         }
30:         return $ret;
31:     }
32: 
33:     /**
34:      * Return the rendered inline version of the Horde_Mime_Part object.
35:      *
36:      * @return array  See parent::render().
37:      */
38:     protected function _renderInline()
39:     {
40:         $ret = parent::_renderInline();
41:         if (!empty($ret)) {
42:             reset($ret);
43:             $ret[key($ret)]['data'] = $this->_IMPformat($ret[key($ret)]['data']);
44:         }
45:         return $ret;
46:     }
47: 
48:     /**
49:      * Format output text with IMP additions.
50:      *
51:      * @param string $text  The HTML text.
52:      *
53:      * @return string  The text with extra IMP formatting applied.
54:      */
55:     protected function _IMPformat($text)
56:     {
57:         // Highlight quoted parts of an email.
58:         if ($GLOBALS['prefs']->getValue('highlight_text')) {
59:             $text = implode("\n", preg_replace('|^(\s*&gt;.+)$|', '<span class="quoted1">\1</span>', explode("\n", $text)));
60:             $indent = 1;
61:             while (preg_match('|&gt;(\s?&gt;){' . $indent . '}|', $text)) {
62:                 $text = implode("\n", preg_replace('|^<span class="quoted' . ((($indent - 1) % 5) + 1) . '">(\s*&gt;(\s?&gt;){' . $indent . '}.+)$|', '<span class="quoted' . (($indent % 5) + 1) . '">\1', explode("\n", $text)));
63:                 ++$indent;
64:             }
65:         }
66: 
67:         // Dim signatures.
68:         if ($GLOBALS['prefs']->getValue('dim_signature')) {
69:             $parts = preg_split('|(\n--\s*\n)|', $text, 2, PREG_SPLIT_DELIM_CAPTURE);
70:             $text = array_shift($parts);
71:             if (count($parts)) {
72:                 $text .= '<span class="signature">' . $parts[0] .
73:                     preg_replace('|class="[^"]+"|', 'class="signature-fixed"', $parts[1]) .
74:                     '</span>';
75:             }
76:         }
77: 
78:         // Filter bad language.
79:         return IMP::filterText($text);
80:     }
81: 
82: }
83: