Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
<?php/* * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between * Version 1.0.1 (Loch Ness) * Copyright (C) 2006-2007 Dan Fuhry * render.php - handles fetching pages and parsing them into HTML * * This program is Free Software; you can redistribute 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. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. */class RenderMan { function strToPageID($string) { global $db, $session, $paths, $template, $plugins; // Common objects $k = array_keys($paths->nslist); for($i=0;$i<sizeof($paths->nslist);$i++) { $ln = strlen($paths->nslist[$k[$i]]); if(substr($string, 0, $ln) == $paths->nslist[$k[$i]]) { $ns = $k[$i]; $pg = substr($string, strlen($paths->nslist[$ns]), strlen($string)); } } return Array($pg, $ns); } function getPage($page_id, $namespace, $wiki = 1, $smilies = true, $filter_links = true, $redir = true, $render = true) { global $db, $session, $paths, $template, $plugins; // Common objects dc_here('render: page requested<br />ID/namespace: '."$page_id, $namespace<br />Wiki mode: $wiki<br />Smilies: ".(string)$smilies."<br />Allow redirects: ".(string)$redir); $perms =& $session; if ( $page_id != $paths->cpage['urlname_nons'] || $namespace != $paths->namespace ) { unset($perms); unset($perms); // PHP <5.1.5 Zend bug $perms = $session->fetch_page_acl($page_id, $namespace); } if(!$perms->get_permissions('read')) return 'Access denied ('.$paths->nslist[$namespace].$page_id.')'; if($wiki == 0 || $render == false) { if(!$perms->get_permissions('view_source')) { return 'Access denied ('.$paths->nslist[$namespace].$page_id.')'; } } $q = $db->sql_query('SELECT page_text,char_tag FROM '.table_prefix.'page_text WHERE page_id=\''.$db->escape($page_id).'\' AND namespace=\''.$db->escape($namespace).'\';'); if ( !$q ) { $db->_die('Method called was: RenderMan::getPage(\''.$page_id.'\', \''.$namespace.'\');.'); } if ( $db->numrows() < 1 ) { return false; } $row = $db->fetchrow(); $db->free_result(); $message = $row['page_text']; $chartag = $row['char_tag']; unset($row); // Free some memory if ( preg_match('#^\#redirect \[\[(.+?)\]\]#', $message, $m) && $redir && !isset($_GET['redirect']) || ( isset($_GET['redirect']) && $_GET['redirect'] != 'no' ) ) { dc_here('render: looks like a redirect page to me...'); $old = $paths->cpage; $a = RenderMan::strToPageID($m[1]); $a[0] = str_replace(' ', '_', $a[0]); $pageid = str_replace(' ', '_', $paths->nslist[$a[1]] . $a[0]); $paths->page = $pageid; $paths->cpage = $paths->pages[$pageid]; //die('<pre>'.print_r($paths->cpage,true).'</pre>'); dc_here('render: wreckin\' $template, and reloading the theme vars to match the new page<br />This might get messy!'); unset($template); unset($GLOBALS['template']); $GLOBALS['template'] = new template(); global $template; $template->template(); // Tear down and rebuild the template parser $template->load_theme($session->theme, $session->style); $data = '<div><small>(Redirected from <a href="'.makeUrlNS($old['namespace'], $old['urlname_nons'], 'redirect=no', true).'">'.$old['name'].'</a>)</small></div>'.RenderMan::getPage($a[0], $a[1], $wiki, $smilies, $filter_links, false /* Enforces a maximum of one redirect */); return $data; } else if(preg_match('#^\#redirect \[\[(.+?)\]\]#', $message, $m) && isset($_GET['redirect']) && $_GET['redirect'] == 'no') { dc_here('render: looks like a redirect page to me...'); dc_here('render: skipping redirect as requested on URI'); preg_match('#^\#redirect \[\[(.+)\]\]#', $message, $m); $m[1] = str_replace(' ', '_', $m[1]); $message = preg_replace('#\#redirect \[\[(.+)\]\]#', '<nowiki><div class="mdg-infobox"><table border="0" width="100%" cellspacing="0" cellpadding="0"><tr><td valign="top"><img alt="Cute wet-floor icon" src="'.scriptPath.'/images/redirector.png" /></td><td valign="top" style="padding-left: 10px;"><b>This page is a <i>redirector</i>.</b><br />This means that this page will not show its own content by default. Instead it will display the contents of the page it redirects to.<br /><br />To create a redirect page, make the <i>first characters</i> in the page content <tt>#redirect [[Page_ID]]</tt>. For more information, see the Enano <a href="http://enanocms.org/Help:Wiki_formatting">Wiki formatting guide</a>.<br /><br />This page redirects to <a href="'.makeUrl($m[1]).'">'.$paths->pages[$m[1]]['name'].'</a>.</td></tr></table></div><br /><hr style="margin-left: 1em; width: 200px;" /></nowiki>', $message); } $session->disallow_password_grab(); dc_here('render: alright, got the text, formatting...'); return ($render) ? RenderMan::render($message, $wiki, $smilies, $filter_links) : $message; } function getTemplate($id, $parms) { global $db, $session, $paths, $template, $plugins; // Common objects dc_here('render: template requested: '.$id); if(!isset($paths->pages[$paths->nslist['Template'].$id])) { return '[['.$paths->nslist['Template'].$id.']]'; } if(isset($paths->template_cache[$id])) { $text = $paths->template_cache[$id]; } else { $text = RenderMan::getPage($id, 'Template', 0, true, true, 0); $paths->template_cache[$id] = $text; } $text = preg_replace('/<noinclude>(.*?)<\/noinclude>/is', '', $text); $text = preg_replace('/<nodisplay>(.*?)<\/nodisplay>/is', '\\1', $text); preg_match_all('#\(_([0-9]+)_\)#', $text, $matchlist); foreach($matchlist[1] as $m) { if(isset($parms[((int)$m)+1])) { $p = $parms[((int)$m)+1]; } else { $p = '<b>Notice:</b> RenderMan::getTemplate(): Parameter '.$m.' is not set'; } $text = str_replace('(_'.$m.'_)', $p, $text); } $text = RenderMan::include_templates($text); return $text; } function fetch_template_text($id) { global $db, $session, $paths, $template, $plugins; // Common objects dc_here('render: template raw data requested: '.$id); if(!isset($paths->pages[$paths->nslist['Template'].$id])) { return '[['.$paths->nslist['Template'].$id.']]'; } if(isset($paths->template_cache[$id])) { $text = $paths->template_cache[$id]; } else { $text = RenderMan::getPage($id, 'Template', 0, false, false, false, false); $paths->template_cache[$id] = $text; } if ( is_string($text) ) { $text = preg_replace('/<noinclude>(.*?)<\/noinclude>/is', '', $text); $text = preg_replace('/<nodisplay>(.*?)<\/nodisplay>/is', '\\1', $text); } return $text; } function render($text, $wiki = 1, $smilies = true, $filter_links = true) { global $db, $session, $paths, $template, $plugins; // Common objects if($smilies) { $text = RenderMan::smilieyize($text); } if($wiki == 1) { $text = RenderMan::next_gen_wiki_format($text); } elseif($wiki == 2) { $text = $template->tplWikiFormat($text); } return $text; } function PlainTextRender($text, $wiki = 1, $smilies = false, $filter_links = true) { global $db, $session, $paths, $template, $plugins; // Common objects if($smilies) { $text = RenderMan::smilieyize($text); } if($wiki == 1) { $text = RenderMan::next_gen_wiki_format($text, true); } elseif($wiki == 2) { $text = $template->tplWikiFormat($text); } return $text; } function next_gen_wiki_format($text, $plaintext = false, $filter_links = true, $do_params = false) { global $db, $session, $paths, $template, $plugins; // Common objects $random_id = md5( time() . mt_rand() ); // Strip out <nowiki> sections and PHP code $php = preg_match_all('#<\?php(.*?)\?>#is', $text, $phpsec); for($i=0;$i<sizeof($phpsec[1]);$i++) { $text = str_replace('<?php'.$phpsec[1][$i].'?>', '{PHP:'.$random_id.':'.$i.'}', $text); } $nw = preg_match_all('#<nowiki>(.*?)<\/nowiki>#is', $text, $nowiki); for($i=0;$i<sizeof($nowiki[1]);$i++) { $text = str_replace('<nowiki>'.$nowiki[1][$i].'</nowiki>', '{NOWIKI:'.$random_id.':'.$i.'}', $text); } $text = preg_replace('/<noinclude>(.*?)<\/noinclude>/is', '\\1', $text); if ( $paths->namespace == 'Template' ) { $text = preg_replace('/<nodisplay>(.*?)<\/nodisplay>/is', '', $text); } if ( !$plaintext ) { // Process images $text = RenderMan::process_image_tags($text, $taglist); $text = RenderMan::process_imgtags_stage2($text, $taglist); } if($do_params) { preg_match_all('#\(_([0-9]+)_\)#', $text, $matchlist); foreach($matchlist[1] as $m) { $text = str_replace('(_'.$m.'_)', $paths->getParam((int)$m), $text); } } $template_regex = "/\{\{([^\]]+?)((\n([ ]*?)[A-z0-9]+([ ]*?)=([ ]*?)(.+?))*)\}\}/is"; $i = 0; while ( preg_match($template_regex, $text) ) { $i++; if ( $i == 5 ) break; $text = RenderMan::include_templates($text); } $text = process_tables($text); $wiki =& Text_Wiki::singleton('Mediawiki'); if($plaintext) { $wiki->setRenderConf('Plain', 'wikilink', 'view_url', contentPath); $result = $wiki->transform($text, 'Plain'); } else { $wiki->setRenderConf('Xhtml', 'wikilink', 'view_url', contentPath); $wiki->setRenderConf('Xhtml', 'Url', 'css_descr', 'external'); $result = $wiki->transform($text, 'Xhtml'); } // if ( !$plaintext ) // { // $result = RenderMan::process_imgtags_stage2($result, $taglist); // } // Reinsert <nowiki> sections for($i=0;$i<$nw;$i++) { $result = str_replace('{NOWIKI:'.$random_id.':'.$i.'}', $nowiki[1][$i], $result); } // Reinsert PHP for($i=0;$i<$php;$i++) { $result = str_replace('{PHP:'.$random_id.':'.$i.'}', '<?php'.$phpsec[1][$i].'?>', $result); } return $result; } function wikiFormat($message, $filter_links = true, $do_params = false, $plaintext = false) { global $db, $session, $paths, $template, $plugins; // Common objects return RenderMan::next_gen_wiki_format($message, $plaintext, $filter_links, $do_params); $random_id = md5( time() . mt_rand() ); // Strip out <nowiki> sections $nw = preg_match_all('#<nowiki>(.*?)<\/nowiki>#is', $message, $nowiki); if(!$plaintext) { //return '<pre>'.print_r($nowiki,true).'</pre>'; for($i=0;$i<sizeof($nowiki[1]);$i++) { $message = str_replace('<nowiki>'.$nowiki[1][$i].'</nowiki>', '{NOWIKI:'.$random_id.':'.$i.'}', $message); } $message = preg_replace('/<noinclude>(.*?)<\/noinclude>/is', '\\1', $message); //return '<pre>'.htmlspecialchars($message).'</pre>'; $message = RenderMan::process_image_tags($message); } if($do_params) { preg_match_all('#\(_([0-9]+)_\)#', $message, $matchlist); foreach($matchlist[1] as $m) { $message = str_replace('(_'.$m.'_)', $paths->getParam((int)$m), $message); } } $message = RenderMan::include_templates($message); // Reinsert <nowiki> sections for($i=0;$i<$nw;$i++) { $message = str_replace('{NOWIKI:'.$random_id.':'.$i.'}', '<nowiki>'.$nowiki[1][$i].'</nowiki>', $message); } $message = process_tables($message); //if($message2 != $message) return '<pre>'.htmlspecialchars($message2).'</pre>'; //$message = str_replace(array('<table>', '</table>'), array('<nowiki><table>', '</table></nowiki>'), $message); $wiki =& Text_Wiki::singleton('Mediawiki'); if($plaintext) { $wiki->setRenderConf('Plain', 'wikilink', 'view_url', contentPath); $result = $wiki->transform($message, 'Plain'); } else { $wiki->setRenderConf('Xhtml', 'wikilink', 'view_url', contentPath); $wiki->setRenderConf('Xhtml', 'Url', 'css_descr', 'external'); $result = $wiki->transform($message, 'Xhtml'); } // HTML fixes $result = preg_replace('#<tr>([\s]*?)<\/tr>#is', '', $result); $result = preg_replace('#<p>([\s]*?)<\/p>#is', '', $result); $result = preg_replace('#<br />([\s]*?)<table#is', '<table', $result); $result = str_replace("<pre><code>\n", "<pre><code>", $result); $result = preg_replace("/<p><table([^>]*?)><\/p>/", "<table\\1>", $result); $result = str_replace("<br />\n</td>", "\n</td>", $result); $result = str_replace("<p><tr>", "<tr>", $result); $result = str_replace("<tr><br />", "<tr>", $result); $result = str_replace("</tr><br />", "</tr>", $result); $result = str_replace("</table></p>", "</table>", $result); $result = str_replace("</table><br />", "</table>", $result); $result = preg_replace('/<\/table>$/', "</table><br /><br />", $result); $result = str_replace('<nowiki>', '<nowiki>', $result); $result = str_replace('</nowiki>', '</nowiki>', $result); return $result; } function destroy_javascript($message, $_php = false) { $message = preg_replace('#<(script|object|applet|embed|iframe|frame|form|input|select)(.*?)>#is', '<\\1\\2>', $message); $message = preg_replace('#</(script|object|applet|embed|iframe|frame|form|input|select)(.*?)>#is', '</\\1\\2>', $message); $message = preg_replace('#(javascript|script|activex|chrome|about|applet):#is', '\\1:', $message); if ( $_php ) { // Left in only for compatibility $message = preg_replace('#<(.*?)>#is', '<\\1>', $message); $message = preg_replace('#<(.*?)>#is', '<\\1>', $message); $message = preg_replace('#<(\?|\?php|%)(.*?)(\?|%)>#is', '<\\1\\2\\3>', $message); // strip <a href="foo" onclick="bar();">-type attacks $message = preg_replace('#<([a-zA-Z:\-]+) (.*?)on([A-Za-z]*)=(.*?)>#is', '<\\1\\2on\\3=\\4>', $message); } return $message; } function strip_php($message) { return RenderMan::destroy_javascript($message, true); } function sanitize_html($text) { $text = htmlspecialchars($text); $allowed_tags = Array('b', 'i', 'u', 'pre', 'code', 'tt', 'br', 'p', 'nowiki', '!--([^.]+)--'); foreach($allowed_tags as $t) { $text = preg_replace('#<'.$t.'>(.*?)</'.$t.'>#is', '<'.$t.'>\\1</'.$t.'>', $text); $text = preg_replace('#<'.$t.' />#is', '<'.$t.' />', $text); $text = preg_replace('#<'.$t.'>#is', '<'.$t.'>', $text); } return $text; } /* * * Replaces template inclusions with the templates * @param string $message The text to format * @return string * / function old_include_templates($message) { $random_id = md5( time() . mt_rand() ); preg_match_all('#\{\{(.+?)\}\}#s', $message, $matchlist); foreach($matchlist[1] as $m) { $mn = $m; // Strip out wikilinks and re-add them after the explosion (because of the "|") preg_match_all('#\[\[(.+?)\]\]#i', $m, $linklist); //echo '<pre>'.print_r($linklist, true).'</pre>'; for($i=0;$i<sizeof($linklist[1]);$i++) { $mn = str_replace('[['.$linklist[1][$i].']]', '{WIKILINK:'.$random_id.':'.$i.'}', $mn); } $ar = explode('|', $mn); for($j=0;$j<sizeof($ar);$j++) { for($i=0;$i<sizeof($linklist[1]);$i++) { $ar[$j] = str_replace('{WIKILINK:'.$random_id.':'.$i.'}', '[['.$linklist[1][$i].']]', $ar[$j]); } } $tp = $ar[0]; unset($ar[0]); $tp = str_replace(' ', '_', $tp); $message = str_replace('{{'.$m.'}}', RenderMan::getTemplate($tp, $ar), $message); } return $message; } */ /** * Parses a partial template tag in wikitext, and return an array with the parameters. * @param string The portion of the template tag that contains the parameters. * @example * <code> foo = lorem ipsum bar = dolor sit amet * </code> * @return array Example: * [foo] => lorem ipsum * [bar] => dolor sit amet */ function parse_template_vars($input) { $input = explode("\n", trim( $input )); $parms = Array(); $current_line = ''; $current_parm = ''; foreach ( $input as $num => $line ) { if ( preg_match('/^([ ]*?)([A-z0-9_]+?)([ ]*?)=([ ]*?)(.+?)$/i', $line, $matches) ) { $parm =& $matches[2]; $text =& $matches[5]; if ( $parm == $current_parm ) { $current_line .= $text; } else { // New parameter if ( $current_parm != '' ) $parms[$current_parm] = $current_line; $current_line = $text; $current_parm = $parm; } } else if ( $num == 0 ) { // Syntax error return false; } else { $current_line .= "\n$line"; } } if ( !empty($current_parm) && !empty($current_line) ) { $parms[$current_parm] = $current_line; } return $parms; } /** * Processes all template tags within a block of wikitext. * @param string The text to process * @return string Formatted text * @example * <code> $text = '{{Template parm1 = Foo parm2 = Bar }}'; $text = include_templates($text); * </code> */ function include_templates($text) { global $db, $session, $paths, $template, $plugins; // Common objects $template_regex = "/\{\{([^\]]+?)((\n([ ]*?)[A-z0-9]+([ ]*?)=([ ]*?)(.+?))*)\}\}/is"; if ( $count = preg_match_all($template_regex, $text, $matches) ) { for ( $i = 0; $i < $count; $i++ ) { $matches[1][$i] = sanitize_page_id($matches[1][$i]); $parmsection = trim($matches[2][$i]); if ( !empty($parmsection) ) { $parms = RenderMan::parse_template_vars($parmsection); foreach ( $parms as $j => $parm ) { $parms[$j] = $parm; } } else { $parms = Array(); } if ( $tpl_code = RenderMan::fetch_template_text($matches[1][$i]) ) { $parser = $template->makeParserText($tpl_code); $parser->assign_vars($parms); $text = str_replace($matches[0][$i], $parser->run(), $text); } } } return $text; } /** * Preprocesses an HTML text string prior to being sent to MySQL. * @param string $text * @param bool $strip_all_php - if true, strips all PHP regardless of user permissions. Else, strips PHP only if user level < USER_LEVEL_ADMIN. */ function preprocess_text($text, $strip_all_php = true, $sqlescape = true) { global $db, $session, $paths, $template, $plugins; // Common objects $random_id = md5( time() . mt_rand() ); $can_do_php = ( $session->get_permissions('php_in_pages') && !$strip_all_php ); if ( !$can_do_php ) { $text = sanitize_html($text, true); // If we can't do PHP, we can't do Javascript either. $text = RenderMan::destroy_javascript($text); } // Strip out <nowiki> sections and PHP code $php = preg_match_all('#(<|<)\?php(.*?)\?(>|>)#is', $text, $phpsec); //die('<pre>'.htmlspecialchars(print_r($phpsec, true))."\n".htmlspecialchars(print_r($text, true)).'</pre>'); for($i=0;$i<sizeof($phpsec[1]);$i++) { $text = str_replace($phpsec[0][$i], '{PHP:'.$random_id.':'.$i.'}', $text); } $nw = preg_match_all('#<nowiki>(.*?)<\/nowiki>#is', $text, $nowiki); for($i=0;$i<sizeof($nowiki[1]);$i++) { $text = str_replace('<nowiki>'.$nowiki[1][$i].'</nowiki>', '{NOWIKI:'.$random_id.':'.$i.'}', $text); } $text = str_replace('~~~~~', date('G:i, j F Y (T)'), $text); $text = str_replace('~~~~', "[[User:$session->username|$session->username]] ".date('G:i, j F Y (T)'), $text); $text = str_replace('~~~', "[[User:$session->username|$session->username]] ", $text); // Reinsert <nowiki> sections for($i=0;$i<$nw;$i++) { $text = str_replace('{NOWIKI:'.$random_id.':'.$i.'}', '<nowiki>'.$nowiki[1][$i].'</nowiki>', $text); } // Reinsert PHP for($i=0;$i<$php;$i++) { $phsec = ''.$phpsec[1][$i].'?php'.$phpsec[2][$i].'?'.$phpsec[3][$i].''; if ( $strip_all_php ) $phsec = htmlspecialchars($phsec); $text = str_replace('{PHP:'.$random_id.':'.$i.'}', $phsec, $text); } $text = ( $sqlescape ) ? $db->escape($text) : $text; return $text; } function smilieyize($text, $complete_urls = false) { $random_id = md5( time() . mt_rand() ); // Smileys array - eventually this will be fetched from the database by // RenderMan::initSmileys during initialization, but it will all be hardcoded for beta 2 $smileys = Array( 'O:-)' => 'face-angel.png', 'O:)' => 'face-angel.png', 'O=)' => 'face-angel.png', ':-)' => 'face-smile.png', ':)' => 'face-smile.png', '=)' => 'face-smile-big.png', ':-(' => 'face-sad.png', ':(' => 'face-sad.png', ';(' => 'face-sad.png', ':-O' => 'face-surprise.png', ';-)' => 'face-wink.png', ';)' => 'face-wink.png', '8-)' => 'face-glasses.png', '8)' => 'face-glasses.png', ':-D' => 'face-grin.png', ':D' => 'face-grin.png', '=D' => 'face-grin.png', ':-*' => 'face-kiss.png', ':*' => 'face-kiss.png', '=*' => 'face-kiss.png', ':\'(' => 'face-crying.png', ':-|' => 'face-plain.png', ':-\\' => 'face-plain.png', ':-/' => 'face-plain.png', ':joke:' => 'face-plain.png', ']:->' => 'face-devil-grin.png', ':kiss:' => 'face-kiss.png', ':-P' => 'face-tongue-out.png', ':P' => 'face-tongue-out.png', ':-p' => 'face-tongue-out.png', ':p' => 'face-tongue-out.png', ':-X' => 'face-sick.png', ':X' => 'face-sick.png', ':sick:' => 'face-sick.png', ':-]' => 'face-oops.png', ':]' => 'face-oops.png', ':oops:' => 'face-oops.png', ':-[' => 'face-embarassed.png', ':[' => 'face-embarassed.png' ); /* $keys = array_keys($smileys); foreach($keys as $k) { $regex1 = '#([\W]+)'.preg_quote($k).'([\s\n\r\.]+)#s'; $regex2 = '\\1<img alt="'.$k.'" title="'.$k.'" src="'.scriptPath.'/images/smilies/'.$smileys[$k].'" style="border: 0;" />\\2'; $text = preg_replace($regex1, $regex2, $text); } */ // Strip out <nowiki> sections //return '<pre>'.htmlspecialchars($text).'</pre>'; $nw = preg_match_all('#<nowiki>(.*?)<\/nowiki>#is', $text, $nowiki); for($i=0;$i<sizeof($nowiki[1]);$i++) { $text = str_replace('<nowiki>'.$nowiki[1][$i].'</nowiki>', '{NOWIKI:'.$random_id.':'.$i.'}', $text); } $keys = array_keys($smileys); foreach($keys as $k) { $t = str_hex($k); $t = explode(' ', $t); $s = ''; foreach($t as $b) { $s.='&#x'.$b.';'; } $pfx = ( $complete_urls ) ? 'http' . ( isset($_SERVER['HTTPS']) ? 's' : '' ) . '://'.$_SERVER['HTTP_HOST'] : ''; $text = str_replace(' '.$k, ' <nowiki><img title="'.$s.'" alt="'.$s.'" src="'.$pfx.scriptPath.'/images/smilies/'.$smileys[$k].'" style="border: 0;" /></nowiki>', $text); } //*/ // Reinsert <nowiki> sections for($i=0;$i<$nw;$i++) { $text = str_replace('{NOWIKI:'.$random_id.':'.$i.'}', '<nowiki>'.$nowiki[1][$i].'</nowiki>', $text); } return $text; } /* * **** DEPRECATED **** * Replaces some critical characters in a string with MySQL-safe equivalents * @param $text string the text to escape * @return array key 0 is the escaped text, key 1 is the character tag * / function escape_page_text($text) { $char_tag = md5(microtime() . mt_rand()); $text = str_replace("'", "{APOS:$char_tag}", $text); $text = str_replace('"', "{QUOT:$char_tag}", $text); $text = str_replace("\\", "{SLASH:$char_tag}", $text); return Array($text, $char_tag); } */ /* **** DEPRECATED **** * Reverses the result of RenderMan::escape_page_text(). * @param $text string the text to unescape * @param $char_tag string the character tag * @return string * / function unescape_page_text($text, $char_tag) { $text = str_replace("{APOS:$char_tag}", "'", $text); $text = str_replace("{QUOT:$char_tag}", '"', $text); $text = str_replace("{SLASH:$char_tag}", "\\", $text); return $text; } */ /** * Generates a summary of the differences between two texts, and formats it as XHTML. * @param $str1 string the first block of text * @param $str2 string the second block of text * @return string */ function diff($str1, $str2) { global $db, $session, $paths, $template, $plugins; // Common objects $str1 = explode("\n", $str1); $str2 = explode("\n", $str2); $diff = new Diff($str1, $str2); $renderer = new TableDiffFormatter(); return '<table class="diff">'.$renderer->format($diff).'</table>'; } /** * Changes wikitext image tags to HTML. * @param string The wikitext to process * @param array Will be overwritten with the list of HTML tags (the system uses tokens for TextWiki compatibility) * @return string */ function process_image_tags($text, &$taglist) { global $db, $session, $paths, $template, $plugins; // Common objects $s_delim = "\xFF"; $f_delim = "\xFF"; $taglist = array(); // Wicked huh? $regex = '/\[\[:' . $paths->nslist['File'] . '([\w\s0-9_\(\)!@%\^\+\|\.-]+?)((\|thumb)|(\|([0-9]+)x([0-9]+)))?(\|left|\|right)?(\|raw|\|(.+))?\]\]/i'; preg_match_all($regex, $text, $matches); foreach ( $matches[0] as $i => $match ) { $full_tag =& $matches[0][$i]; $filename =& $matches[1][$i]; $scale_type =& $matches[2][$i]; $width =& $matches[5][$i]; $height =& $matches[6][$i]; $clear =& $matches[7][$i]; $caption =& $matches[8][$i]; if ( !isPage( $paths->nslist['File'] . $filename ) ) { $text = str_replace($full_tag, '[[' . makeUrlNS('File', $filename) . ']]', $text); continue; } if ( $scale_type == '|thumb' ) { $r_width = 225; $r_height = 225; $url = makeUrlNS('Special', 'DownloadFile/' . $filename, 'preview&width=' . $r_width . '&height=' . $r_height, true); } else if ( !empty($width) && !empty($height) ) { $r_width = $width; $r_height = $height; $url = makeUrlNS('Special', 'DownloadFile/' . $filename, 'preview&width=' . $r_width . '&height=' . $r_height, true); } else { $url = makeUrlNS('Special', 'DownloadFile/' . $filename); } $img_tag = '<img src="' . $url . '" '; // if ( isset($r_width) && isset($r_height) && $scale_type != '|thumb' ) // { // $img_tag .= 'width="' . $r_width . '" height="' . $r_height . '" '; // } $img_tag .= 'style="border-width: 0px; /* background-color: white; */" '; $img_tag .= '/>'; $complete_tag = ''; if ( !empty($scale_type) && $caption != '|raw' ) { $complete_tag .= '<div class="thumbnail" '; $clear_text = ''; if ( !empty($clear) ) { $side = ( $clear == '|left' ) ? 'left' : 'right'; $opposite = ( $clear == '|left' ) ? 'right' : 'left'; $clear_text .= "float: $side; margin-$opposite: 20px;"; $complete_tag .= 'style="' . $clear_text . '" '; } $complete_tag .= '>'; $complete_tag .= '<a href="' . makeUrlNS('File', $filename) . '" style="display: block;">'; $complete_tag .= $img_tag; $complete_tag .= '</a>'; $mag_button = '<a href="' . makeUrlNS('File', $filename) . '" style="display: block; float: right; clear: right; margin: 0 0 10px 10px;"><img alt="[ + ]" src="' . scriptPath . '/images/thumbnail.png" style="border-width: 0px;" /></a>'; if ( !empty($caption) ) { $cap = substr($caption, 1); $complete_tag .= $mag_button . $cap; } $complete_tag .= '</div>'; } else if ( $caption == '|raw' ) { $complete_tag .= "$img_tag"; $taglist[$i] = $complete_tag; $repl = "{$s_delim}e_img_{$i}{$f_delim}"; $text = str_replace($full_tag, $repl, $text); continue; } else { $complete_tag .= '<a href="' . makeUrlNS('File', $filename) . '" style="display: block;">'; $complete_tag .= $img_tag; $complete_tag .= '</a>'; } $complete_tag .= "\n\n"; $taglist[$i] = $complete_tag; $pos = strpos($text, $full_tag); while(true) { $check1 = substr($text, $pos, 3); $check2 = substr($text, $pos, 1); if ( $check1 == '<p>' || $pos == 0 || $check2 == "\n" ) { // die('found at pos '.$pos); break; } $pos--; } $repl = "{$s_delim}e_img_{$i}{$f_delim}"; $text = substr($text, 0, $pos) . $repl . substr($text, $pos); $text = str_replace($full_tag, '', $text); unset($full_tag, $filename, $scale_type, $width, $height, $clear, $caption, $r_width, $r_height); } return $text; } /** * Finalizes processing of image tags. * @param string The preprocessed text * @param array The list of image tags created by RenderMan::process_image_tags() */ function process_imgtags_stage2($text, $taglist) { $s_delim = "\xFF"; $f_delim = "\xFF"; foreach ( $taglist as $i => $tag ) { $repl = "{$s_delim}e_img_{$i}{$f_delim}"; $text = str_replace($repl, $tag, $text); } return $text; }}?>