/**
* Compress the javascript blocks
*/
public function onCompress(CompressionEvent $event)
{
if (!$event->isSafeToContinue()) {
return;
}
foreach ($this->blocks as $k => $content) {
// Extract the script code
if (preg_match($this->getPattern(), $content, $matches) !== 1) {
continue;
}
// Can't call compressor if not js code block
if (!$this->isJavascript($matches[1])) {
continue;
}
// Check if CDATA attribute is present
$cdataWrapper = false;
$script = $matches[2];
if (preg_match('#\\s*<!\\[CDATA\\[(?:\\s*\\*/)(.*?)(?:/\\*\\s*)\\]\\]>\\s*#usi', $script, $cdataMatches)) {
$script = $cdataMatches[1];
$cdataWrapper = true;
}
// Call the inline compressor
if ($script = trim($script)) {
$script = $this->compressor->compress($script);
}
if ($cdataWrapper) {
// Rewrap the compressed script into CDATA tag
$script = "/*<![CDATA[*/" . $script . "/*]]>*/";
}
// Replace the block into the saved array
$this->blocks[$k] = $matches[1] . $script . $matches[3];
}
}
/**
* Compress the css blocks
*/
public function onCompress(CompressionEvent $event)
{
if (!$event->isSafeToContinue()) {
return;
}
foreach ($this->blocks as $k => $content) {
// Extract the script code
if (preg_match($this->getPattern(), $content, $matches) !== 1) {
continue;
}
// Can't call compressor if not css code block
if (!$this->isCss($matches[1])) {
continue;
}
// Call the inline compressor
$style = $this->compressor->compress($matches[2]);
// Replace the block into the saved array
$this->blocks[$k] = $matches[1] . $style . $matches[3];
}
}