1: <?php
 2: /**
 3:  * Copyright 2001-2014 Horde LLC (http://www.horde.org/)
 4:  *
 5:  * See the enclosed file COPYING for license information (GPL). If you
 6:  * did not receive this file, see http://www.horde.org/licenses/gpl.
 7:  *
 8:  * @category  Horde
 9:  * @copyright 2001-2014 Horde LLC
10:  * @license   http://www.horde.org/licenses/gpl GPL
11:  * @package   IMP
12:  */
13: 
14: /**
15:  * Handler to render plain text from enriched content tags (RFC 1896).
16:  *
17:  * @author    Eric Rostetter <eric.rostetter@physics.utexas.edu>
18:  * @category  Horde
19:  * @copyright 2001-2014 Horde LLC
20:  * @license   http://www.horde.org/licenses/gpl GPL
21:  * @package   IMP
22:  */
23: class IMP_Mime_Viewer_Enriched extends Horde_Mime_Viewer_Enriched
24: {
25:     /**
26:      * Return the full rendered version of the Horde_Mime_Part object.
27:      *
28:      * @return array  See parent::render().
29:      */
30:     protected function _render()
31:     {
32:         $ret = parent::_render();
33:         if (!empty($ret)) {
34:             reset($ret);
35:             $ret[key($ret)]['data'] = $this->_IMPformat($ret[key($ret)]['data']);
36:         }
37:         return $ret;
38:     }
39: 
40:     /**
41:      * Return the rendered inline version of the Horde_Mime_Part object.
42:      *
43:      * @return array  See parent::render().
44:      */
45:     protected function _renderInline()
46:     {
47:         $ret = parent::_renderInline();
48:         if (!empty($ret)) {
49:             reset($ret);
50:             $ret[key($ret)]['data'] = $this->_IMPformat($ret[key($ret)]['data']);
51:         }
52:         return $ret;
53:     }
54: 
55:     /**
56:      * Format output text with IMP additions.
57:      *
58:      * @param string $text  The HTML text.
59:      *
60:      * @return string  The text with extra IMP formatting applied.
61:      */
62:     protected function _IMPformat($text)
63:     {
64:         // Highlight quoted parts of an email.
65:         if ($GLOBALS['prefs']->getValue('highlight_text')) {
66:             $text = implode("\n", preg_replace('|^(\s*&gt;.+)$|', '<span class="quoted1">\1</span>', explode("\n", $text)));
67:             $indent = 1;
68:             while (preg_match('|&gt;(\s?&gt;){' . $indent . '}|', $text)) {
69:                 $text = implode("\n", preg_replace('|^<span class="quoted' . ((($indent - 1) % 5) + 1) . '">(\s*&gt;(\s?&gt;){' . $indent . '}.+)$|', '<span class="quoted' . (($indent % 5) + 1) . '">\1', explode("\n", $text)));
70:                 ++$indent;
71:             }
72:         }
73: 
74:         // Dim signatures.
75:         if ($GLOBALS['prefs']->getValue('dim_signature')) {
76:             $parts = preg_split('|(\n--\s*\n)|', $text, 2, PREG_SPLIT_DELIM_CAPTURE);
77:             $text = array_shift($parts);
78:             if (count($parts)) {
79:                 $text .= '<span class="signature">' . $parts[0] .
80:                     preg_replace('|class="[^"]+"|', 'class="signature-fixed"', $parts[1]) .
81:                     '</span>';
82:             }
83:         }
84: 
85:         // Filter bad language.
86:         return IMP::filterText($text);
87:     }
88: 
89: }
90: