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comparison program/lib/Roundcube/rcube_enriched.php @ 0:4681f974d28b

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vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:52:31 -0500
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-1:000000000000 0:4681f974d28b
1 <?php
2
3 /**
4 +-----------------------------------------------------------------------+
5 | This file is part of the Roundcube Webmail client |
6 | Copyright (C) 2005-2012, The Roundcube Dev Team |
7 | |
8 | Licensed under the GNU General Public License version 3 or |
9 | any later version with exceptions for skins & plugins. |
10 | See the README file for a full license statement. |
11 | |
12 | PURPOSE: |
13 | Helper class to convert Enriched to HTML format (RFC 1523, 1896) |
14 +-----------------------------------------------------------------------+
15 | Author: Aleksander Machniak <alec@alec.pl> |
16 | Author: Ryo Chijiiwa (IlohaMail) |
17 +-----------------------------------------------------------------------+
18 */
19
20 /**
21 * Class for Enriched to HTML conversion
22 *
23 * @package Framework
24 * @subpackage Utils
25 */
26 class rcube_enriched
27 {
28 protected static function convert_newlines($body)
29 {
30 // remove single newlines, convert N newlines to N-1
31 $body = str_replace("\r\n", "\n", $body);
32 $len = strlen($body);
33 $nl = 0;
34 $out = '';
35
36 for ($i=0; $i<$len; $i++) {
37 $c = $body[$i];
38 if (ord($c) == 10)
39 $nl++;
40 if ($nl && ord($c) != 10)
41 $nl = 0;
42 if ($nl != 1)
43 $out .= $c;
44 else
45 $out .= ' ';
46 }
47
48 return $out;
49 }
50
51 protected static function convert_formatting($body)
52 {
53 $replace = array(
54 '<bold>' => '<b>', '</bold>' => '</b>',
55 '<italic>' => '<i>', '</italic>' => '</i>',
56 '<fixed>' => '<tt>', '</fixed>' => '</tt>',
57 '<smaller>' => '<font size=-1>', '</smaller>'=> '</font>',
58 '<bigger>' => '<font size=+1>', '</bigger>' => '</font>',
59 '<underline>' => '<span style="text-decoration: underline">', '</underline>' => '</span>',
60 '<flushleft>' => '<span style="text-align: left">', '</flushleft>' => '</span>',
61 '<flushright>' => '<span style="text-align: right">', '</flushright>' => '</span>',
62 '<flushboth>' => '<span style="text-align: justified">', '</flushboth>' => '</span>',
63 '<indent>' => '<span style="padding-left: 20px">', '</indent>' => '</span>',
64 '<indentright>' => '<span style="padding-right: 20px">', '</indentright>' => '</span>',
65 );
66
67 return str_ireplace(array_keys($replace), array_values($replace), $body);
68 }
69
70 protected static function convert_font($body)
71 {
72 $pattern = '/(.*)\<fontfamily\>\<param\>(.*)\<\/param\>(.*)\<\/fontfamily\>(.*)/ims';
73
74 while (preg_match($pattern, $body, $a)) {
75 if (count($a) != 5)
76 continue;
77
78 $body = $a[1].'<span style="font-family: '.$a[2].'">'.$a[3].'</span>'.$a[4];
79 }
80
81 return $body;
82 }
83
84 protected static function convert_color($body)
85 {
86 $pattern = '/(.*)\<color\>\<param\>(.*)\<\/param\>(.*)\<\/color\>(.*)/ims';
87
88 while (preg_match($pattern, $body, $a)) {
89 if (count($a) != 5)
90 continue;
91
92 // extract color (either by name, or ####,####,####)
93 if (strpos($a[2],',')) {
94 $rgb = explode(',',$a[2]);
95 $color = '#';
96 for ($i=0; $i<3; $i++)
97 $color .= substr($rgb[$i], 0, 2); // just take first 2 bytes
98 }
99 else {
100 $color = $a[2];
101 }
102
103 // put it all together
104 $body = $a[1].'<span style="color: '.$color.'">'.$a[3].'</span>'.$a[4];
105 }
106
107 return $body;
108 }
109
110 protected static function convert_excerpt($body)
111 {
112 $pattern = '/(.*)\<excerpt\>(.*)\<\/excerpt\>(.*)/i';
113
114 while (preg_match($pattern, $body, $a)) {
115 if (count($a) != 4)
116 continue;
117
118 $quoted = '';
119 $lines = explode('<br>', $a[2]);
120
121 foreach ($lines as $line)
122 $quoted .= '&gt;'.$line.'<br>';
123
124 $body = $a[1].'<span class="quotes">'.$quoted.'</span>'.$a[3];
125 }
126
127 return $body;
128 }
129
130 /**
131 * Converts Enriched text into HTML format
132 *
133 * @param string $body Enriched text
134 *
135 * @return string HTML text
136 */
137 public static function to_html($body)
138 {
139 $body = str_replace('<<','&lt;',$body);
140 $body = self::convert_newlines($body);
141 $body = str_replace("\n", '<br>', $body);
142 $body = self::convert_formatting($body);
143 $body = self::convert_color($body);
144 $body = self::convert_font($body);
145 $body = self::convert_excerpt($body);
146 //$body = nl2br($body);
147
148 return $body;
149 }
150 }