/**
* load and parse a CSS file
*
* @param string $file
* @param int $origin
*/
function load_css_file($file, $origin = self::ORIG_AUTHOR)
{
if ($origin) {
$this->_current_origin = $origin;
}
// Prevent circular references
if (isset($this->_loaded_files[$file])) {
return;
}
$this->_loaded_files[$file] = true;
if (strpos($file, "data:") === 0) {
$parsed = parse_data_uri($file);
$css = $parsed["data"];
} else {
$parsed_url = explode_url($file);
list($this->_protocol, $this->_base_host, $this->_base_path, $filename) = $parsed_url;
// Fix submitted by Nick Oostveen for aliased directory support:
if ($this->_protocol == "") {
$file = $this->_base_path . $filename;
} else {
$file = build_url($this->_protocol, $this->_base_host, $this->_base_path, $filename);
}
set_error_handler("record_warnings");
$css = qsot_remote_file::get_contents($file, null, $this->_dompdf->get_http_context());
restore_error_handler();
$good_mime_type = true;
$headers = qsot_remote_file::get_headers();
if (is_array($headers) && !empty($headers)) {
foreach ($headers as $_header) {
if (preg_match('#Content-Type:\\s*([\\w/]+)#i', $_header, $matches) && $matches[1] !== 'text/css') {
$good_mime_type = false;
}
}
}
// See http://the-stickman.com/web-development/php/getting-http-response-headers-when-using-file_get_contents/
/* LOUSHOU replaced ********************
if ( isset($http_response_header) && !$this->_dompdf->get_quirksmode() ) {
foreach($http_response_header as $_header) {
if ( preg_match("@Content-Type:\s*([\w/]+)@i", $_header, $matches) &&
($matches[1] !== "text/css") ) {
$good_mime_type = false;
}
}
}
*/
if (!$good_mime_type || $css == "") {
record_warnings(E_USER_WARNING, "Unable to load css file {$file}", __FILE__, __LINE__);
return;
}
}
$this->_parse_css($css);
}
