/**
     * Invoke filter
     * @param string code
     * @param WebLoader loader
     * @param string file
     * @return string
     */
    public function __invoke($code, WebLoader $loader, $file = null)
    {
        // thanks to kravco
        $regexp = '~
			(?<![a-z])
			url\\(                                     ## url(
				\\s*                                   ##   optional whitespace
				([\'"])?                              ##   optional single/double quote
				(   (?: (?:\\\\.)+                    ##     escape sequences
					|   [^\'"\\\\,()\\s]+              ##     safe characters
					|   (?(1)   (?!\\1)[\'"\\\\,() \\t] ##       allowed special characters
						|       ^                     ##       (none, if not quoted)
						)
					)*                                ##     (greedy match)
				)
				(?(1)\\1)                              ##   optional single/double quote
				\\s*                                   ##   optional whitespace
			\\)                                        ## )
		~xs';
        return preg_replace_callback($regexp, function ($matches) use($loader, $file) {
            return "url('" . CssUrlsFilter::absolutizeUrl($matches[2], $matches[1], $file, $loader->sourcePath) . "')";
        }, $code);
    }
Beispiel #2
0
 function m($matches, $file, $sourcePath)
 {
     //		NDebug::dump($file);
     NDebug::dump($matches);
     //		NDebug::dump($sourcePath);
     return "url('" . CssUrlsFilter::absolutizeUrl($matches[2], $matches[1], $file, $sourcePath) . "')";
 }