function minify($type, $files, $excludes)
{
if (!in_array($type, array('css', 'js'))) {
return $files;
}
//extract local fylesystem path
clean_file_paths($files, $excludes);
global $registry;
$oc_root = dirname(DIR_APPLICATION);
$cache = NULL;
$cachefile = NULL;
$filename = NULL;
if (!defined('DS')) {
define('DS', DIRECTORY_SEPARATOR);
}
if (!file_exists($oc_root . DS . 'assets')) {
mkdir($oc_root . DS . 'assets');
}
if (!file_exists($oc_root . DS . 'assets' . DS . $type)) {
mkdir($oc_root . DS . 'assets' . DS . $type);
}
$cachefile = $oc_root . DS . 'assets' . DS . $type . DS . getSSLCachePrefix() . $type . '.cache';
if (!file_exists($cachefile)) {
touch($cachefile);
file_put_contents($cachefile, json_encode(array()));
}
$cache = json_decode(file_get_contents($cachefile), true);
switch ($type) {
case 'js':
include_once NITRO_LIB_FOLDER . 'minifier' . DS . 'JSShrink.php';
break;
case 'css':
if (isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == 'on' || $_SERVER['HTTPS'] == '1')) {
$webshopUrl = $registry->get('config')->get('config_ssl');
} else {
$webshopUrl = $registry->get('config')->get('config_url');
}
$webshopUrl = rtrim(preg_replace('~^https?\\:~i', '', $webshopUrl), '/');
include_once NITRO_LIB_FOLDER . 'minifier' . DS . 'CSSMin.php';
break;
}
foreach ($files as $hash => $file) {
$recache = false;
if (!is_excluded_file($file, $excludes)) {
$filename = $oc_root . DS . trim(str_replace('/', DS, $file), DS);
$basefilename = basename($file, '.' . $type);
$target = '/assets/' . $type . '/' . getSSLCachePrefix() . 'nitro-mini-' . encode_filename($filename) . '.' . $type;
$targetAbsolutePath = $oc_root . DS . trim(str_replace('/', DS, $target), DS);
if (!empty($cache[$filename])) {
if (!is_url($file) && $cache[$filename] != filemtime($filename)) {
$recache = true;
}
} else {
$recache = true;
}
if ($recache || !file_exists($targetAbsolutePath)) {
touch($targetAbsolutePath);
$content = is_url($file) ? fetchRemoteContent($file) : file_get_contents($filename);
switch ($type) {
case 'js':
$content = Minifier::minify($content, array('flaggedComments' => false));
break;
case 'css':
$urlToCurrentDir = is_url($file) ? dirname($file) : $webshopUrl . dirname('/' . trim($file, '/'));
$content = preg_replace('/(url\\()(?![\'\\"]?(?:(?:https?\\:\\/\\/)|(?:data\\:)|(?:\\/)))([\'\\"]?)\\/?(?!\\/)/', '$1$2' . $urlToCurrentDir . '/', $content);
$content = Nitro_Minify_CSS_Compressor::process($content);
break;
}
file_put_contents($targetAbsolutePath, $content);
$cache[$filename] = is_url($file) ? time() : filemtime($filename);
}
$files[$hash] = trim($target, '/');
}
}
file_put_contents($cachefile, json_encode($cache));
return $files;
}
/**
* Minify a CSS string
*
* @param string $css
*
* @param array $options (currently ignored)
*
* @return string
*/
public static function process($css, $options = array())
{
$obj = new Nitro_Minify_CSS_Compressor($options);
return $obj->_process($css);
}
