Some renderer plugin updates

The namingscheme for renderer plugins now matches the other types, the plugin
manager now returns info on renderer plugins, too

darcs-hash:20070120002731-7ad00-fcea93a6a6da807103b6aa82d6472196125cb3ec.gz

inc/parserutils.php

@@ -513,25 +513,27 @@ function p_sort_modes($a, $b){
 function p_render($mode,$instructions,& $info){
   if(is_null($instructions)) return '';
 
-  // Create the renderer
-  $file = DOKU_INC.'lib/plugins/'.$mode.'/renderer.php';
-  if(!@file_exists($file)){
-    $file = DOKU_INC."inc/parser/$mode.php";
-  }
-  if(!@file_exists($file)){
-    msg("No renderer for $mode found",-1);
-    return null;
-  }
 
-  require_once $file;
+  // try default renderer first:
+  $file = DOKU_INC."inc/parser/$mode.php";
+  if(@file_exists($file)){
+    require_once $file;
+    $rclass = "Doku_Renderer_$mode";
 
-  $rclass = "Doku_Renderer_$mode";
-  if ( !class_exists($rclass) ) {
-    trigger_error("Unable to resolve render class $rclass",E_USER_WARNING);
-    msg("Renderer for $mode not valid",-1);
-    return null;
+    if ( !class_exists($rclass) ) {
+      trigger_error("Unable to resolve render class $rclass",E_USER_WARNING);
+      msg("Renderer for $mode not valid",-1);
+      return null;
+    }
+    $Renderer = & new $rclass();
+  }else{
+    // Maybe a plugin is available?
+    $Renderer =& plugin_load('renderer',$mode);
+    if(is_null($Renderer)){
+      msg("No renderer for $mode found",-1);
+      return null;
+    }
   }
-  $Renderer = & new $rclass(); #FIXME any way to check for class existance?
 
   $Renderer->smileys = getSmileys();
   $Renderer->entities = getEntities();

inc/pluginutils.php

@@ -5,18 +5,18 @@
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
  * @author     Andreas Gohr <andi@splitbrain.org>
  */
- 
+
 // plugin related constants
 if(!defined('DOKU_PLUGIN'))  define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
-$plugin_types = array('admin','syntax','action');
- 
+$plugin_types = array('admin','syntax','action','renderer');
+
 /**
  * Returns a list of available plugins of given type
  *
- * @param $type  string, plugin_type name; 
- *               the type of plugin to return, 
+ * @param $type  string, plugin_type name;
+ *               the type of plugin to return,
  *               use empty string for all types
- * @param $all   bool; 
+ * @param $all   bool;
  *               false to only return enabled plugins,
  *               true to return both enabled and disabled plugins
  *
@@ -30,9 +30,9 @@ function plugin_list($type='',$all=false){
     while (false !== ($plugin = readdir($dh))) {
       if ($plugin == '.' || $plugin == '..' || $plugin == 'tmp') continue;
       if (is_file(DOKU_PLUGIN.$plugin)) continue;
-			
-			// if required, skip disabled plugins
-			if (!$all && plugin_isdisabled($plugin)) continue;
+
+      // if required, skip disabled plugins
+      if (!$all && plugin_isdisabled($plugin)) continue;
 
       if ($type=='' || @file_exists(DOKU_PLUGIN."$plugin/$type.php")){
           $plugins[] = $plugin;