*/ // must be run within Dokuwiki if (!defined('DOKU_INC')) { die(); } class syntax_plugin_feedaggregator extends DokuWiki_Syntax_Plugin { /** * @return string Syntax mode type */ public function getType() { return 'container'; } /** * @return string Paragraph type */ public function getPType() { return 'block'; } /** * @return int Sort order - Low numbers go before high numbers */ public function getSort() { return 100; } /** * Connect lookup pattern to lexer. * * @param string $mode Parser mode */ public function connectTo($mode) { //$this->Lexer->addSpecialPattern('', $mode, 'plugin_feedaggregator'); $this->Lexer->addEntryPattern('', $mode, 'plugin_feedaggregator'); } public function postConnect() { $this->Lexer->addExitPattern('', 'plugin_feedaggregator'); } /** * Handle matches of the tag, storing the list of feeds in * a file in the ~/data/tmp/feedaggregator directory. * * @param string $match The match of the syntax * @param int $state The state of the handler * @param int $pos The position in the document * @param Doku_Handler $handler The handler * @return array Data for the renderer */ public function handle($match, $state, $pos, Doku_Handler $handler) { global $conf; $data = array(); // Are we to handle this match? If not, don't. if ($state !== DOKU_LEXER_UNMATCHED) { return $data; } // Get the feed URLs. $matchedFeeds = preg_split('/[\n\r]+/', $match, -1, PREG_SPLIT_NO_EMPTY); $feeds = array(); foreach ($matchedFeeds as $feed) { if (filter_var($feed, FILTER_VALIDATE_URL) === false) { msg("Feed URL not valid: $feed", 2); continue; } $feeds[] = $feed; } $feedList = array_unique($feeds); // Save the feeds to a temporary CSV. It'll be ready by the action script. $file = fullpath($conf['tmpdir'].'/feedaggregator.csv'); file_put_contents($file, join("\n", $feedList)); // Get the most-recently generated HTML feed aggregation. This won't be // up to date with the above feeds yet, but that's okay. $data['html'] = io_readFile(fullpath($conf['cachedir'].'/feedaggregator/output.html')); return $data; } /** * Render xhtml output or metadata * * @param string $mode Renderer mode (supported modes: xhtml) * @param Doku_Renderer $renderer The renderer * @param array $data The data from the handler() function * @return bool If rendering was successful. */ public function render($mode, Doku_Renderer $renderer, $data) { if ($mode != 'xhtml') { return false; } $renderer->doc .= $data['html']; return true; } }