public function removeImports($data, $cssUrl)
{
$sBaseUrl = dirname($cssUrl) . '/';
$config = $this->config;
$config['css_url'] = $cssUrl;
$self = $this;
return preg_replace_callback('/@import url\\(([^)]+)\\)(;?)/', function ($aMatches) use($sBaseUrl, $config, $self) {
$url = Url::normalizeUrl(str_replace(array('"', '\''), '', trim($aMatches[1])));
return $self::removeImports($self->fixUrl(File::get_content($url), $url), $url);
}, $data);
}
private function removeHttpProtocol()
{
$scripts = array('img', 'link', 'script');
$attr = array('src', 'href', 'data-ll');
foreach ($scripts as $script) {
$html = $this->DOMHtml->getContent();
$regex = '/<' . $script . '((?:.)*?)>/smix';
$content = preg_replace_callback($regex, function ($srcpt) use($attr, $script) {
$regex_img = '/(\\S+)=["\']((?:.(?!["\']?\\s+(?:\\S+)=|[>"\']))+.)["\']/';
preg_match_all($regex_img, $srcpt[1], $matches);
if (isset($matches[1]) && isset($matches[2])) {
foreach ($matches[1] as $k => $key) {
$attributes[trim($key)] = trim($matches[2][$k]);
}
}
if (isset($attributes) && is_array($attributes)) {
foreach ($attr as $att) {
if (isset($attributes[$att]) && $attributes[$att]) {
$attributes[$att] = Url::normalizeUrl($attributes[$att]);
}
}
$return = '<' . $script;
foreach ($attributes as $key => $a) {
$return .= ' ' . $key . '="' . $a . '"';
}
$return .= '>';
return $return;
} else {
return $srcpt[0];
}
}, $html);
$this->DOMHtml->setContent($content ?: $html);
}
}
protected function get_data($url)
{
if (is_file($this->config['BasePath'] . Url::normalizeUrl($url))) {
$url = $this->config['BasePath'] . Url::normalizeUrl($url);
try {
$data = File::get_content($url);
} catch (Exception $ex) {
}
} else {
if (is_file($this->config['BasePath'] . $url)) {
$data = File::get_content($this->config['BasePath'] . $url);
} else {
$data = File::get_content($url);
}
}
return $data;
}
public static function normalizeAttributes(array $attributes = array())
{
foreach ($attributes as $key => $att) {
if (strtolower($key) == 'class') {
$att = $att . ' ' . self::$config['LazyLoadClass'];
}
if (strtolower($key) == 'src') {
$att = Url::normalizeUrl($att);
$return['img'] .= ' ' . $key . '="' . $att . '"';
$return['lazy_img'] .= ' ' . $key . '="' . self::$config['LazyLoadPlaceHolder'] . '"';
$key = 'data-ll';
} else {
$return['img'] .= ' ' . $key . '="' . $att . '"';
}
if (!in_array(strtolower($key), self::$config['LazyLoadOnlyOnNoScript'])) {
$return['lazy_img'] .= ' ' . $key . '="' . $att . '"';
}
}
if (!array_key_exists('class', $attributes)) {
$return['img'] .= ' class="' . self::$config['LazyLoadClass'] . '"';
}
return $return;
}