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<?php /* $Id: thwbcode.inc.php,v 1.11 2003/01/08 14:37:33 pbaecher Exp $ */ /* ThWboard - PHP/MySQL Bulletin Board System ============================================== (c) 2000, 2001 by Paul Baecher <paul@thewall.de> Felix Gonschorek <funner@thewall.de>
download the latest version: http://www.thwboard.de
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
==============================================
*/
define('SEARCH', 0); define('REPLACE', 1);
$a_thwbcode = array(); $a_smilies = array();
function get_smilies() { $a_smilies = array( ':)' => 'smile', '>:(' => 'angry', ':(' => 'frown', ':D' => 'biggrin', ';)' => 'wink', ':?' => 'question', ':|' => 'strange', ':\\' => 'prefect', '=)' => 'gumble', ':oah:' => 'oah', ':rolleyes:' => 'rolleyes' );
define( 'THWB_SMILIES', true ); return $a_smilies; }
function get_thwb_tags() { global $style; //ttt: please keep an eye on the order the tags appear; // e.g. noparse /must/ come after [php] and [code] // [php] $a_thwbcode[SEARCH][] = '/\[php\](.*)\[\/php\]/Uesi'; $a_thwbcode[REPLACE][] = 'format_phpsource(\'\1\')'; // [code] $a_thwbcode[SEARCH][] = '/\[code\](.*)\[\/code\]/Uesi'; $a_thwbcode[REPLACE][] = 'format_source(\'\1\')'; // [noparse] - these are extracted before further parsing $a_thwbcode[SEARCH][] = '/\[noparse\](.*)\[\/noparse\]/Uesi'; $a_thwbcode[REPLACE][] = 'noparse(\'\1\')'; // http://www.thwboard.de $a_thwbcode[SEARCH][] = "/(^|[ \n])([a-zA-Z]+):\/\/([^ ,\"\n]+)/"; $a_thwbcode[REPLACE][] = '\1<a href="\2://\3" target="_blank">\2://\3</a>'; // www.thwboard.de $a_thwbcode[SEARCH][] = "/(^|[ \n])www\.([^ ,\"\n]+)/i"; $a_thwbcode[REPLACE][] = '\1<a href="http://www.\2" target="_blank">www.\2</a>'; // [mail] $a_thwbcode[SEARCH][] = '/\[mail\]([._0-9a-zA-Z-]+)@([._0-9a-zA-Z-]+)\[\/mail\]/Ui'; $a_thwbcode[REPLACE][] = '<a href="mailto:\1@\2">\1@\2</a>'; // [mail=""] $a_thwbcode[SEARCH][] = '/\[mail="([._0-9a-zA-Z-]+)@([._0-9a-zA-Z-]+)"\](.*)\[\/mail\]/Ui'; $a_thwbcode[REPLACE][] = '<a href="mailto:\1@\2">\3</a>'; // [color] $a_thwbcode[SEARCH][] = '/\[color="([a-zA-Z0-9# ]+)"\](.*)\[\/color\]/Uis'; $a_thwbcode[REPLACE][] = '<font color="\1">\2</font>'; // [b] $a_thwbcode[SEARCH][] = '/\[b\](.*)\[\/b\]/Uis'; $a_thwbcode[REPLACE][] = '<b>\1</b>'; // [i] $a_thwbcode[SEARCH][] = '/\[i\](.*)\[\/i\]/Uis'; $a_thwbcode[REPLACE][] = '<i>\1</i>'; // [u] $a_thwbcode[SEARCH][] = '/\[u\](.*)\[\/u\]/Uis'; $a_thwbcode[REPLACE][] = '<u>\1</u>'; // [-] $a_thwbcode[SEARCH][] = '/\[-\](.*)\[\/-\]/Uis'; $a_thwbcode[REPLACE][] = '<s>\1</s>'; // [quote] $a_thwbcode[SEARCH][] = '/\[quote\]/Ui'; $a_thwbcode[REPLACE][] = '<br><table border="0" align="center" width="95%" cellpadding="3" cellspacing="1" bgcolor="' . $style['border_col'] . '"><tr><td>' . $style['smallfont'] . '<b>Zitat:</b>' . $style['smallfontend'] . '</td></tr><tr><td bgcolor="' . $style['CellA'] . '"><font size="2">' . '\1'; // [/quote] $a_thwbcode[SEARCH][] = '/\[\/quote\]/Ui'; $a_thwbcode[REPLACE][] = '</font></td></tr></table><br>'; // [url]www.thwboard.de[/url] $a_thwbcode[SEARCH][] = "/\[url\]www\.([^ ,\"\n]+)\[\/url\]/Ui"; $a_thwbcode[REPLACE][] = '<a href="http://www.\1" target="_blank">www.\1</a>'; // [url]http://www.thwboard.de[/url] $a_thwbcode[SEARCH][] = "/\[url\]([a-zA-Z]+):\/\/([^ ,\"\n]+)\[\/url\]/Ui"; $a_thwbcode[REPLACE][] = '<a href="\1://\2" target="_blank">\1://\2</a>'; // [url=""] $a_thwbcode[SEARCH][] = "/\[url=\"([a-zA-Z]+):\/\/([^ ,\"\n]+)\"\](.*)\[\/url\]/Usi"; $a_thwbcode[REPLACE][] = '<a href="\1://\2" target="_blank">\3</a>'; define( 'THWB_TAGS', true ); return $a_thwbcode; }
class CStack { var $tos; var $stack; function CStack() { $this->stack = array(); $this->tos = 0; $this->stack[$this->tos] = 0; // simplifies things a bit =) } function push( $var ) { $this->stack[++$this->tos] = $var; } function peek() { return $this->stack[$this->tos]; } function pop() { if( $this->tos ) return $this->stack[$this->tos--]; else return 0; } //ttt: now supports regexps function search( $var, $preg=0 ) { for( $i = $this->tos; $i > 0; $i-- ) { if( $preg ) { if( preg_match( $this->stack[$i], $var ) ) return 1; } else { //echo "Stack:". $this->tos." $var\n"; if( !strcmp($this->stack[$i], $var) ) return 1; } } return 0; } }
function close_tags( &$tags, &$s_pos, &$string, $curtag='' ) { if( strlen($curtag) > 0 ) { if( !$tags->search($curtag) ) { //echo "removing $curtag"; // no corresponding start tag, remove this tag $string = substr($string, 0, $s_pos - 1) . substr($string, $s_pos + strlen($curtag)+2); $s_pos -= strlen($curtag)+3; //HACK: keep string positioning consistent return; } } else { $curtag = "###"; // just a dummy } $oldtag = $tags->peek(); while( $oldtag && ($oldtag != $curtag) ) { //echo "inserting /$curtag"; // missing end tag, just insert one $string = substr($string, 0, $s_pos-1) .'[/'. $tags->pop() .']'. substr($string, $s_pos-1); $s_pos += strlen($oldtag) + 3; // skip over [/$oldtag] $oldtag = $tags->peek(); //echo "\n\n ---- $string ---- \n\n"; } $tags->pop(); }
function fixup_quotes( $string ) { // skip the whole thing when there are no quotes if( !(strchr($string,'[quote]') || strchr($string,'[/quote]')) ) return $string;
$tmp = $string; $s_pos = 0; // $s_pos is position in $string $t_pos = 0; // $t_pos is position in $tmp $tags = new CStack(); while( is_integer($t_pos = strpos($tmp, '[')) ) { $s_pos += $t_pos+1; $tmp = substr( $tmp, $t_pos+1 ); $endpos = strpos( $tmp, ']' ); if( is_integer($endpos) ) { $curtag = substr( $tmp, 0, $endpos ); //$curtag = substr( $tmp, strpos($tmp, '/'), $endpos ); //echo "$curtag\n"; switch( $curtag ) { case 'quote': $tags->push($curtag); //echo "PStack:". $tags->tos."\n"; break; case '/quote': //echo "Stack:". $tags->tos."\n"; close_tags( $tags, $s_pos, $string, substr($curtag, 1) ); break; default: //ttt: don't be fooled by [[quote] stuff $endpos = -1; break; } $s_pos += $endpos+1; $tmp = substr( $string, $s_pos ); } }
// if there are still some endtags missing, add them at the end $s_pos = strlen( $string ) +1; // normally this should be -1, but close_tags moves back 2 chars close_tags( $tags, $s_pos, $string ); return $string; }
function noparse($string, $insert = 0) { static $rpc, $a_replace;
if( !$insert ) { $string = str_replace('\"', '"', $string); $a_replace[++$rpc] = $string; return "<noparse $rpc>"; } else { return $a_replace[$insert]; } }
function format_source($string) { global $style;
$string = str_replace('\"', '"', $string); $string = str_replace(' ', ' ', $string); $string = str_replace("\n", '<br>', $string); return '<br><table border="0" align="center" width="95%" cellpadding="3" cellspacing="1" bgcolor="' . $style['border_col'] . '"><tr><td><font size="1"><b>Quellcode:</b></font></td></tr><tr><td bgcolor="' . $style['CellA'] . '"><code>[noparse]' . $string . '[/noparse]</code></td></tr></table><br>'; }
function format_phpsource($string) { global $style;
$string = trim($string); $string = str_replace('\"', '"', $string); if( (float)(phpversion()) >= 4.2 ) { $string = str_replace("<br>", "\n", $string); $string = str_replace('<', '<', $string); $string = str_replace('>', '>', $string); //ttt: automatically insert < ?php if necessary if( !preg_match( '/^\<\?(php)?/s', $string ) ) $string = "<?php\n". $string; if( !preg_match( '/\?\>$/s', $string ) ) $string .= "\n?>"; $string = highlight_string($string, TRUE); }
return '<br><table border="0" align="center" width="95%" cellpadding="3" cellspacing="1" bgcolor="' . $style['border_col'] . '"><tr><td><font size="1"><b>PHP-Quellcode:</b></font></td></tr><tr><td bgcolor="' . $style['CellA'] . '"><code>[noparse]' . $string . '[/noparse]</code></td></tr></table><br>'; }
function preparse_code($string) { $string = trim($string); $string = str_replace("\r", '', $string); $string = str_replace(chr(160), '', $string);
$string = str_replace("con\\con", '', $string); $string = str_replace("con/con", '', $string);
// [code] tags. $string = str_replace("\t", ' ', $string);
$string = ereg_replace("\[code\]([ \n]*)", '[code]', $string); $string = ereg_replace("\[/code\]([ \n]*)", '[/code]', $string); $string = ereg_replace("\[php\]([ \n]*)", '[php]', $string); $string = ereg_replace("\[/php\]([ \n]*)", '[/php]', $string); $string = ereg_replace("\[quote\]([ \n]*)", '[quote]', $string); $string = ereg_replace("\[/quote\]([ \n]*)", '[/quote]', $string); return $string; }
function parse_code($string, $do_br = 0, $do_img = 0, $do_code = 0, $do_smilies = 0) { global $config, $style; static $smilies_fixed = 0;
// HTML-Security $string = str_replace('&', '&', $string); $string = str_replace('<', '<', $string); $string = str_replace('>', '>', $string); if( $do_code ) { global $a_thwbcode; if( !defined('THWB_TAGS') ) $a_thwbcode = get_thwb_tags(); //echo "<pre style=\"font-size:8pt\">"; // nested [quote] fixup $string = fixup_quotes($string); //echo "$string</pre>"; $string = preg_replace($a_thwbcode[SEARCH], $a_thwbcode[REPLACE], $string ); }
if( $do_img && ($config['imageslevel'] != 2) ) $string = preg_replace('/\[img\]([a-zA-Z]+):\/\/([^ ,\"\n]+)\.(jpg|jpeg|png|gif)\[\/img\]/Usi', '<img src="\1://\2.\3" alt="" border="0">', $string);
if( $do_smilies && $config['smilies'] ) { global $a_smilies; if( !defined('THWB_SMILIES') ) $a_smilies = get_smilies(); if( !$smilies_fixed ) { reset($a_smilies); $url_prepend = '<img src="templates/'.$style['styletemplate'].'/images/icon/'; while( current( $a_smilies ) ) { $a_smilies[key($a_smilies)] = $url_prepend.current($a_smilies).'_new.gif" border="0">'; next( $a_smilies ); } $smilies_fixed = 1; }
$string = strtr( $string, $a_smilies ); }
// reinsert extracted parts $string = preg_replace( '/\<noparse ([0-9]+)\>/e', 'noparse("",\1)', $string ); if( $do_br ) $string = str_replace("\n", '<br>', $string); else $string = str_replace("\n", '', $string);
return $string; } ?>
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