/**
* Process given license returning comment format.
*
* @param string $rawLicense raw license to process
*
* @throws \Exception
* @throws \Throwable
*
* @return string parsed license
*/
private function parseLicense($rawLicense)
{
$twig = new \Twig_Environment(new \Twig_Loader_Filesystem());
$license = $twig->createTemplate($rawLicense)->render($this->config->getParameters());
$license = trim($license);
//create license comment
$license = preg_replace("/\n/", "\n * ", $license);
//clean empty lines, remove trailing whitespace
$license = preg_replace("/ \\* \n/", " *\n", $license);
//wrapper
$license = "/*\n * {$license}\n */\n";
return $license;
}
