public function rewriteCssUrls($content)
{
$urlRegex = '`url\\((.*?)\\)`s';
$newContent = preg_replace_callback($urlRegex, function ($matches) {
if (strpos($matches[0], '//') !== false) {
return $matches[0];
}
$baseUrl = new Url($this->cdnBaseUrl);
$existingUrl = new Url($matches[1]);
$newUrl = new Url();
$newUrl->setHost($baseUrl->getHost());
if ($baseUrl->isSchemeless()) {
$newUrl->makeSchemeless();
} else {
$newUrl->setScheme($baseUrl->getScheme());
}
if (count($baseUrl->getPath())) {
$newUrl->setPath($baseUrl->getPath());
$newUrl->getPath()->appendPath($existingUrl->getPath());
} else {
$newUrl->setPath($existingUrl->getPath());
}
$newUrl->getPath()->setEncoder(false);
$newUrl->setQuery($existingUrl->getQuery());
return "url(" . $newUrl->__toString() . ")";
}, $content);
return $newContent;
}
