/**
* Parse feeds into an array, ready to pass to the Javascript importer
*
* @param string $opml_url URL to parse feed data from, in the OPML standard.
* @return array Associative array containing feed URL, title and category (if applicable)
*/
protected function import_opml($opml_url)
{
if (empty($opml_url)) {
MessageHandler::add_error(sprintf(_r('No OPML specified')));
return false;
}
require_once LILINA_INCPATH . '/contrib/simplepie/simplepie.inc';
$opml = new SimplePie_File($opml_url);
$opml = new OPML($opml->body);
if (!empty($opml->error) || empty($opml->data)) {
MessageHandler::add_error(sprintf(_r('The OPML file could not be read. The parser said: %s'), $opml->error));
return false;
}
$feeds_num = 0;
foreach ($opml->data as $cat => $feed) {
if (!isset($feed['xmlurl']) && isset($feed[0]['xmlurl'])) {
foreach ($feed as $subfeed) {
$feeds[] = array('url' => $subfeed['xmlurl'], 'title' => $subfeed['title'], 'cat' => $cat);
++$feeds_num;
}
continue;
}
$feeds[] = array('url' => $feed['xmlurl'], 'title' => $feed['title'], 'cat' => '');
++$feeds_num;
}
MessageHandler::add(sprintf(__ngettext('Adding %d feed', 'Adding %d feeds', $feeds_num), $feeds_num));
return $feeds;
}
/**
* Validate a plugin filename
*
* Checks that the file exists and {@link validate_file() is valid file}. If
* it either condition is not met, returns false and adds an error to the
* {@see MessageHandler} stack.
*
* @since 1.0
*
* @param $filename Path to plugin
* @return bool True if file exists and is valid, else false
*/
function validate_plugin($filename)
{
switch (validate_file($filename)) {
case 1:
case 2:
MessageHandler::add_error(_r('Invalid plugin path.'));
break;
default:
if (file_exists(get_plugin_dir() . $filename)) {
return true;
} else {
MessageHandler::add_error(_r('Plugin file was not found.'));
}
}
return false;
}
