diff -r 0931d60f5bdb -r 2b2084ca1e60 includes/render.php~
--- a/includes/render.php~	Wed Jun 13 16:32:27 2007 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,792 +0,0 @@
-<?php
-/*
- * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
- * Version 1.0 (Banshee)
- * render.php - handles fetching pages and parsing them into HTML
- * Copyright (C) 2006-2007 Dan Fuhry
- *
- * 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
-      
-      $j = preg_match_all('#\[\[:'.$paths->nslist['File'].'([\w\s0-9_\(\)!@%\^\+\|\.-]+?)\|([0-9]+)\|([0-9]+)\]\]#is', $text, $matchlist);
-      $matches = Array();
-      $matches['images']  =& $matchlist[1];
-      $matches['widths']  =& $matchlist[2];
-      $matches['heights'] =& $matchlist[3];
-      for($i=0;$i<sizeof($matchlist[1]);$i++)
-      {
-        if(isPage($paths->nslist['File'].$matches['images'][$i])) $text = str_replace('[[:'.$paths->nslist['File'].$matches['images'][$i].'|'.$matches['widths'][$i].'|'.$matches['heights'][$i].']]',
-          '<nowiki><a href="'.makeUrlNS('File', $matches['images'][$i]).'"><img alt="'.$matches['images'][$i].'" style="border: 0" src="'.makeUrlNS('Special', 'DownloadFile/'.$matches['images'][$i], 'preview&amp;width='.$matches['widths'][$i].'&amp;height='.$matches['heights'][$i]).'" /></a></nowiki>',
-          $text);
-      }
-      
-      $j = preg_match_all('#\[\[:'.$paths->nslist['File'].'([\w\s0-9_\(\)!@%\^\+\|\.-]+?)\]\]#is', $text, $matchlist);
-      $matches = Array();
-      $matches['images'] = $matchlist[1];
-      for($i=0;$i<sizeof($matchlist[1]);$i++)
-      {
-        if(isPage($paths->nslist['File'].$matches['images'][$i])) $text = str_replace('[[:'.$paths->nslist['File'].$matches['images'][$i].']]',
-          '<nowiki><a href="'.makeUrlNS('File', $matches['images'][$i]).'"><img alt="'.$matches['images'][$i].'" style="border: 0" src="'.makeUrlNS('Special', 'DownloadFile/'.$matches['images'][$i]).'" /></a></nowiki>',
-          $text);
-      }
-      
-    }
-    
-    if($do_params)
-    {
-      preg_match_all('#\(_([0-9]+)_\)#', $text, $matchlist);
-      foreach($matchlist[1] as $m)
-      {
-        $text = str_replace('(_'.$m.'_)', $paths->getParam((int)$m), $text);
-      }
-    }
-    
-    $text = RenderMan::include_templates($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');
-    }
-    
-    // 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>';
-      
-      $j = preg_match_all('#\[\[:'.$paths->nslist['File'].'([\w\s0-9_\(\)!@%\^\+\|\.-]+?)\|([0-9]+)\|([0-9]+)\]\]#is', $message, $matchlist);
-      $matches = Array();
-      $matches['images'] = $matchlist[1];
-      $matches['widths'] = $matchlist[2];
-      $matches['heights'] = $matchlist[3];
-      for($i=0;$i<sizeof($matchlist[1]);$i++)
-      {
-        if(isPage($paths->nslist['File'].$matches['images'][$i])) $message = str_replace('[[:'.$paths->nslist['File'].$matches['images'][$i].'|'.$matches['widths'][$i].'|'.$matches['heights'][$i].']]',
-          '<nowiki><a href="'.makeUrlNS('File', $matches['images'][$i]).'"><img alt="'.$matches['images'][$i].'" style="border: 0" src="'.makeUrlNS('Special', 'DownloadFile/'.$matches['images'][$i], 'preview&amp;width='.$matches['widths'][$i].'&amp;height='.$matches['heights'][$i]).'" /></a></nowiki>',
-          $message);
-      }
-      
-      $j = preg_match_all('#\[\[:'.$paths->nslist['File'].'([\w\s0-9_\(\)!@%\^\+\|\.-]+?)\]\]#is', $message, $matchlist);
-      $matches = Array();
-      $matches['images'] = $matchlist[1];
-      for($i=0;$i<sizeof($matchlist[1]);$i++)
-      {
-        if(isPage($paths->nslist['File'].$matches['images'][$i])) $message = str_replace('[[:'.$paths->nslist['File'].$matches['images'][$i].']]',
-          '<nowiki><a href="'.makeUrlNS('File', $matches['images'][$i]).'"><img alt="'.$matches['images'][$i].'" style="border: 0" src="'.makeUrlNS('Special', 'DownloadFile/'.$matches['images'][$i]).'" /></a></nowiki>',
-          $message);
-      }
-    
-    }
-    
-    if($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>',  '&lt;nowiki&gt;',  $result);
-    $result = str_replace('</nowiki>', '&lt;/nowiki&gt;', $result);
-    
-    return $result;
-  }
-  
-  function destroy_javascript($message, $_php = false)
-  {
-    $message = preg_replace('#<(script|object|applet|embed|iframe|frame|form|input|select)(.*?)>#is', '&lt;\\1\\2&gt;', $message);
-    $message = preg_replace('#</(script|object|applet|embed|iframe|frame|form|input|select)(.*?)>#is', '&lt;/\\1\\2&gt;', $message);
-    $message = preg_replace('#(javascript|script|activex|chrome|about|applet):#is', '\\1&#058;', $message);
-    if ( $_php )
-    {
-      // Left in only for compatibility
-      $message = preg_replace('#&lt;(.*?)>#is', '<\\1>', $message);
-      $message = preg_replace('#<(.*?)&gt;#is', '<\\1>', $message);
-      $message = preg_replace('#<(\?|\?php|%)(.*?)(\?|%)>#is', '&lt;\\1\\2\\3&gt;', $message);
-      // strip <a href="foo" onclick="bar();">-type attacks
-      $message = preg_replace('#<([a-zA-Z:\-]+) (.*?)on([A-Za-z]*)=(.*?)>#is', '&lt;\\1\\2on\\3=\\4&gt;', $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)
-    {
-      $text = preg_replace('#&lt;'.$t.'&gt;(.*?)&lt;/'.$t.'&gt;#is', '<'.$t.'>\\1</'.$t.'>', $text);
-      $text = preg_replace('#&lt;'.$t.' /&gt;#is', '<'.$t.' />', $text);
-      $text = preg_replace('#&lt;'.$t.'&gt;#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 = "/\{\{([A-z0-9_-]+?)((\n([ ]*?)[A-z0-9]+([ ]*?)=([ ]*?)(.+?))*)\}\}/is";
-    if ( $count = preg_match_all($template_regex, $text, $matches) )
-    {
-      for ( $i = 0; $i < $count; $i++ )
-      {
-        $parmsection = trim($matches[2][$i]);
-        if ( !empty($parmsection) )
-        {
-          $parms = parse_template_vars($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 );
-    
-    $text = sanitize_html($text, ( !$can_do_php ));
-    
-    if ( !$can_do_php )
-    {
-      // 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('#(<|&lt;)\?php(.*?)\?(>|&gt;)#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',
-      ']:-&gt;' => '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>';
-  }
-  
-}
- 
-?>