86             $dir = $this->namespacePath($this->namespace);
87             $this->createHierarchy($parent, $dir, $this->maxdepth);
100      * @param string $dir The directory relative to the page directory
104     protected function createHierarchy(AbstractNode $parent, string $dir, int $depth)  argument
108             $this->processNamespaces($parent, $dir, $depth);
113             $this->processPages($parent, $dir);
121      * @param string $dir Current directory path
125     protected function processNamespaces(AbstractNode $parent, string $dir, int $depth)  argument
130         $dirs = glob($base . $dir . '/*', GLOB_ONLYDIR); // will always ignore hidden dirs
133             $id = pathID($dir . '/' . $subdir);
144                 $this->createHierarchy($node, $dir . '/' . $subdir, $depth - 1);
176      * @param string $dir Current directory path
179     protected function processPages(AbstractNode $parent, string $dir)  argument
184         $files = glob($base . $dir . '/*.txt');
187             $id = pathID($dir . '/' . $file);
245         $dir = wikiFN($namespace . ':xxx');
246         $dir = substr($dir, strlen($base));
247         $dir = dirname($dir); // remove the 'xxx' part
248         if ($dir === '.') $dir = ''; // dirname returns '.' for root namespace
249         return $dir;