/**
* Add a violation to the file.
*
* @param SimpleXMLElement $file The file where the error should be added
* @param Violation $violation The violation to add
* @param string $severity Should be either error or warning
*/
protected function addViolation(SimpleXMLElement $file, Violation $violation, $severity)
{
$xmlViolation = $file->addChild('error');
$xmlViolation->addAttribute('severity', $severity);
$xmlViolation->addAttribute('line', $violation->getLine());
$xmlViolation->addAttribute('column', $violation->getColumn());
$xmlViolation->addAttribute('message', $violation->getMessage());
$xmlViolation->addAttribute('source', 'HTMLValidation');
}
