/**
* Parse $path for cache file groups
*
* @return array
*/
protected function _parse($path = null)
{
$path = $path !== null ? $path : $this->getState('path');
jimport('joomla.filesystem.folder');
$folders = JFolder::folders($path);
$data = array();
foreach ($folders as $folder) {
$files = array();
$files = JFolder::files($path . DS . $folder);
$item = new CacheItem($folder);
foreach ($files as $file) {
$item->updateSize(filesize($path . DS . $folder . DS . $file) / 1024);
}
$data[$folder] = $item;
}
return $data;
}