function CSSCompression_Cleanup::removeInjections

Removes '\' from possible splitter characters in URLs

Parameters

(string) css: Full css sheet:

File

advagg_css_compress/css-compressor-3.x/src/lib/Cleanup.inc, line 128

Class

CSSCompression_Cleanup

CSS Compressor [VERSION] [DATE] Corey Hart @ http://www.codenothing.com

Code

public function removeInjections($css) {
    // Remove escaped characters
    foreach ($this->rescape as $regex) {
        $pos = 0;
        while (preg_match($regex, $css, $match, PREG_OFFSET_CAPTURE, $pos)) {
            $value = $match[1][0] . str_replace($this->escaped['search'], $this->escaped['replace'], $match[2][0]) . $match[3][0];
            $css = substr_replace($css, $value, $match[0][1], strlen($match[0][0]));
            $pos = $match[0][1] + strlen($value) + 1;
        }
    }
    // Remove token injections
    $pos = 0;
    while (preg_match($this->rtoken, $css, $match, PREG_OFFSET_CAPTURE, $pos)) {
        $value = $match[2][0];
        $id = substr($css, $match[0][1] - 4, 4) == '[id=' ? true : false;
        $class = substr($css, $match[0][1] - 7, 7) == '[class=' ? true : false;
        if (preg_match($this->rspace, $value) || !$id && !$class) {
            $quote = preg_match($this->rquote, $value) ? "\"" : "'";
            $value = "{$quote}{$value}{$quote}";
            $css = substr_replace($css, $value, $match[0][1], strlen($match[0][0]));
            $pos = $match[0][1] + strlen($value) + 1;
        }
        else {
            $css = substr_replace($css, $value, $match[0][1], strlen($match[0][0]));
            $pos = $match[0][1] + strlen($value) + 1;
        }
    }
    return $css;
}