private function load_stylesheet($host) {
$stylesheet = "file://" . __DIR__ . "/rss_converter_" . $host . ".xsl";
if (FALSE === file_exists($stylesheet)) {
- trigger_error("Conversion to RSS not supported: $host", E_USER_ERROR);
+ trigger_error("Conversion to RSS not supported for $host ($stylesheet not found)", E_USER_ERROR);
return NULL;
}
return $this->json_to_xml($html, '/window._sharedData = (.*);/', 'instagram');
}
+ private function preprocess_html_facebook_com($html) {
+ $html = str_replace('<!--', '', $html);
+ $html = str_replace('-->', '', $html);
+ return $html;
+ }
+
private function html_to_xml($html, $host) {
$xmlDoc = new DOMDocument();
return NULL;
}
- $xsltProcessor = $this->load_stylesheet($url["host"]);
+ // Strip the leading www. to be more forgiving on input URLs
+ $host = preg_replace('/^www\./', '', $url["host"]);
+
+ $xsltProcessor = $this->load_stylesheet($host);
if (NULL === $xsltProcessor) {
return NULL;
}
return NULL;
}
- $xmlDoc = $this->html_to_xml($html, $url["host"]);
+ $preprocess_html_host_method = 'preprocess_html_' . str_replace(".", "_", $host);
+ if (method_exists($this, $preprocess_html_host_method)) {
+ $html = call_user_func_array(array($this, $preprocess_html_host_method), array($html));
+ }
+
+ $xmlDoc = $this->html_to_xml($html, $host);
if (NULL === $xmlDoc) {
return NULL;
}
function is_cli()
{
- return (substr(php_sapi_name(), 0, 3) == 'cli');
+ return (php_sapi_name() === "cli");
}
function usage($argv)
}
if (!isset($options['src_url'])) {
- fwrite($ERROR_STREAM, usage($argv));
+ fwrite($ERROR_STREAM, usage(is_cli() ? $argv : NULL));
exit(1);
}