Allow opening folder lisings on client

Output.php

@@ -16,6 +16,9 @@ class Output
     /** @var array */
     protected $files;
 
+    /** @var Path|false|null */
+    protected $openPathMapper = null;
+
 
     public function __construct(\Doku_Renderer $renderer, $basedir, $webdir, $files)
     {
@@ -307,6 +310,8 @@ class Output
             return;
         }
 
+        $path = $this->mapOpenPath($path);
+
         global $conf;
         /** @var \Doku_Renderer_xhtml $renderer */
         $renderer = $this->renderer;
@@ -336,6 +341,31 @@ class Output
         $renderer->doc .= $renderer->_formatLink($link);
     }
 
+    /**
+     * Map a filesystem path to an alias path (if configured).
+     *
+     * @param string $path
+     * @return string
+     */
+    protected function mapOpenPath($path)
+    {
+        if ($this->openPathMapper === false) return $path;
+
+        if ($this->openPathMapper === null) {
+            $syntax = plugin_load('syntax', 'luxtools');
+            $pathConfig = $syntax ? (string)$syntax->getConf('paths') : '';
+
+            if (trim($pathConfig) === '') {
+                $this->openPathMapper = false;
+                return $path;
+            }
+
+            $this->openPathMapper = new Path($pathConfig);
+        }
+
+        return $this->openPathMapper->mapToAliasPath($path);
+    }
+
     /**
      * Render a file link on the XHTML renderer
      */