| commit | author | age | ||
| 0fa54d | 1 | <?php |
| AM | 2 | |
| a95874 | 3 | /** |
| 0fa54d | 4 | +-----------------------------------------------------------------------+ |
| AM | 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>', $a[2]); | |
| 120 | ||
| 3725cf | 121 | foreach ($lines as $line) |
| 0fa54d | 122 | $quoted .= '>'.$line.'<br>'; |
| AM | 123 | |
| 124 | $body = $a[1].'<span class="quotes">'.$quoted.'</span>'.$a[3]; | |
| 125 | } | |
| 126 | ||
| 127 | return $body; | |
| 128 | } | |
| 129 | ||
| a95874 | 130 | /** |
| AM | 131 | * Converts Enriched text into HTML format |
| 132 | * | |
| 133 | * @param string $body Enriched text | |
| 134 | * | |
| 135 | * @return string HTML text | |
| 136 | */ | |
| 0fa54d | 137 | public static function to_html($body) |
| AM | 138 | { |
| 139 | $body = str_replace('<<','<',$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 | } | |
