private function _checkFileNaming() {
		if ($this->_isActive('fileNaming')) {
			$fileBaseName = basename($this->_currentFilename);

			$ret = preg_match($this->_config->getTestRegExp('fileNaming'), $fileBaseName);
			if (!$ret) {
				$msg = $this->_getMessage('FILENAME_NAMING', $fileBaseName, $this->_config->getTestRegExp('fileNaming'));
				$this->_writeError('fileNaming', $msg);
			}
		}
	}