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Diffstat (limited to 'program/lib/Roundcube/rcube_enriched.php')
| -rw-r--r-- | program/lib/Roundcube/rcube_enriched.php | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/program/lib/Roundcube/rcube_enriched.php b/program/lib/Roundcube/rcube_enriched.php new file mode 100644 index 000000000..8b64fe054 --- /dev/null +++ b/program/lib/Roundcube/rcube_enriched.php @@ -0,0 +1,147 @@ +<?php + +/* + +-----------------------------------------------------------------------+ + | program/include/rcube_enriched.php | + | | + | This file is part of the Roundcube Webmail client | + | Copyright (C) 2005-2012, The Roundcube Dev Team | + | | + | Licensed under the GNU General Public License version 3 or | + | any later version with exceptions for skins & plugins. | + | See the README file for a full license statement. | + | | + | PURPOSE: | + | Helper class to convert Enriched to HTML format (RFC 1523, 1896) | + | | + +-----------------------------------------------------------------------+ + | Author: Aleksander Machniak <alec@alec.pl> | + | Author: Ryo Chijiiwa (IlohaMail) | + +-----------------------------------------------------------------------+ +*/ + + +/** + * Class for Enriched to HTML conversion + * + * @package Framework + * @subpackage Utils + */ +class rcube_enriched +{ + protected static function convert_newlines($body) + { + // remove single newlines, convert N newlines to N-1 + $body = str_replace("\r\n", "\n", $body); + $len = strlen($body); + $nl = 0; + $out = ''; + + for ($i=0; $i<$len; $i++) { + $c = $body[$i]; + if (ord($c) == 10) + $nl++; + if ($nl && ord($c) != 10) + $nl = 0; + if ($nl != 1) + $out .= $c; + else + $out .= ' '; + } + + return $out; + } + + protected static function convert_formatting($body) + { + $replace = array( + '<bold>' => '<b>', '</bold>' => '</b>', + '<italic>' => '<i>', '</italic>' => '</i>', + '<fixed>' => '<tt>', '</fixed>' => '</tt>', + '<smaller>' => '<font size=-1>', '</smaller>'=> '</font>', + '<bigger>' => '<font size=+1>', '</bigger>' => '</font>', + '<underline>' => '<span style="text-decoration: underline">', '</underline>' => '</span>', + '<flushleft>' => '<span style="text-align: left">', '</flushleft>' => '</span>', + '<flushright>' => '<span style="text-align: right">', '</flushright>' => '</span>', + '<flushboth>' => '<span style="text-align: justified">', '</flushboth>' => '</span>', + '<indent>' => '<span style="padding-left: 20px">', '</indent>' => '</span>', + '<indentright>' => '<span style="padding-right: 20px">', '</indentright>' => '</span>', + ); + + return str_ireplace(array_keys($replace), array_values($replace), $body); + } + + protected static function convert_font($body) + { + $pattern = '/(.*)\<fontfamily\>\<param\>(.*)\<\/param\>(.*)\<\/fontfamily\>(.*)/ims'; + + while (preg_match($pattern, $body, $a)) { + if (count($a) != 5) + continue; + + $body = $a[1].'<span style="font-family: '.$a[2].'">'.$a[3].'</span>'.$a[4]; + } + + return $body; + } + + protected static function convert_color($body) + { + $pattern = '/(.*)\<color\>\<param\>(.*)\<\/param\>(.*)\<\/color\>(.*)/ims'; + + while (preg_match($pattern, $body, $a)) { + if (count($a) != 5) + continue; + + // extract color (either by name, or ####,####,####) + if (strpos($a[2],',')) { + $rgb = explode(',',$a[2]); + $color = '#'; + for ($i=0; $i<3; $i++) + $color .= substr($rgb[$i], 0, 2); // just take first 2 bytes + } + else { + $color = $a[2]; + } + + // put it all together + $body = $a[1].'<span style="color: '.$color.'">'.$a[3].'</span>'.$a[4]; + } + + return $body; + } + + protected static function convert_excerpt($body) + { + $pattern = '/(.*)\<excerpt\>(.*)\<\/excerpt\>(.*)/i'; + + while (preg_match($pattern, $body, $a)) { + if (count($a) != 4) + continue; + + $quoted = ''; + $lines = explode('<br>', $a[2]); + + foreach ($lines as $n => $line) + $quoted .= '>'.$line.'<br>'; + + $body = $a[1].'<span class="quotes">'.$quoted.'</span>'.$a[3]; + } + + return $body; + } + + public static function to_html($body) + { + $body = str_replace('<<','<',$body); + $body = self::convert_newlines($body); + $body = str_replace("\n", '<br>', $body); + $body = self::convert_formatting($body); + $body = self::convert_color($body); + $body = self::convert_font($body); + $body = self::convert_excerpt($body); + //$body = nl2br($body); + + return $body; + } +} |