public function fileIsIgnored($file)
    {
        $line = $this->ignoreFile[0];
        $mode = 'regexp';
        $ignored = false;
        if (preg_match('#^syntax\s*:\s*(glob|regexp)$#', $line, $matches)
            || $matches[1] === 'glob'
        ) {
            $mode = 'glob';
        }
        if ($mode === 'glob') {
            $ignored = $this->ignoredByGlob($file);
        } elseif ($mode === 'regexp') {
            $ignored = $this->ignoredByRegex($file);
        }
        return $ignored;
    }