protected CssOptimizer::loadNestedFile($matches)
Loads stylesheets recursively and returns contents with corrected paths.
This function is used for recursive loading of stylesheets and returns the stylesheet content with all url() paths corrected.
Parameters
array $matches: An array of matches by a preg_replace_callback() call that scans for @import-ed CSS files, except for external CSS files.
Return value
The contents of the CSS file at $matches[1], with corrected paths.
See also
\Drupal\Core\Asset\AssetOptimizerInterface::loadFile()
File
- core/lib/Drupal/Core/Asset/CssOptimizer.php, line 156
Class
- CssOptimizer
- Optimizes a CSS asset.
Namespace
Drupal\Core\Asset
Code
protected function loadNestedFile($matches) {
$filename = $matches[1];
// Load the imported stylesheet and replace @import commands in there as
// well.
$file = $this->loadFile($filename, NULL, FALSE);
// Determine the file's directory.
$directory = dirname($filename);
// If the file is in the current directory, make sure '.' doesn't appear in
// the url() path.
$directory = $directory == '.' ? '' : $directory . '/';
// Alter all internal url() paths. Leave external paths alone. We don't need
// to normalize absolute paths here because that will be done later.
return preg_replace('/url\(\s*([\'"]?)(?![a-z]+:|\/+)([^\'")]+)([\'"]?)\s*\)/i', 'url(\1' . $directory . '\2\3)', $file);
}
Please login to continue.