protected function _getIndent($line) {
		$count = $space = $tab = 0;
		$end = strlen($line);
		while (($count < $end) && ($line[$count] === "\t")) {
			$tab++;
			$count++;
		}
		while (($count < $end) && ($line[$count] === ' ')) {
			$space++;
			$count++;
		}
		return array(
			'space' => $space,
			'tab' => $tab
		);
	}