public function getParent()
{
if (!$this->currentFileName || !$this->metas) {
return null;
}
$meta = $this->metas->get($this->currentFileName);
if (!$meta || !isset($meta['parent'])) {
return null;
}
$parent = $this->metas->get($meta['parent']);
if (!$parent) {
return null;
}
return $parent;
}