<?php class GitHubGistBridge extends BridgeAbstract { const NAME = 'GitHubGist comment bridge'; const URI = 'https://gist.github.com'; const DESCRIPTION = 'Generates feeds for Gist comments'; const MAINTAINER = 'logmanoriginal'; const CACHE_TIMEOUT = 3600; const PARAMETERS = array(array( 'id' => array( 'name' => 'Gist', 'type' => 'text', 'required' => true, 'title' => 'Insert Gist ID or URI', 'exampleValue' => '2646763, https://gist.github.com/2646763' ) )); private $filename; public function getURI() { $id = $this->getInput('id') ?: ''; $urlpath = parse_url($id, PHP_URL_PATH); if($urlpath) { $components = explode('/', $urlpath); $id = end($components); } return static::URI . '/' . $id; } public function getName() { return $this->filename ? $this->filename . ' - ' . static::NAME : static::NAME; } public function collectData() { $html = getSimpleHTMLDOM($this->getURI(), null, null, true, true, DEFAULT_TARGET_CHARSET, false, // Do NOT remove line breaks DEFAULT_BR_TEXT, DEFAULT_SPAN_TEXT) or returnServerError('Could not request ' . $this->getURI()); $html = defaultLinkTo($html, $this->getURI()); $fileinfo = $html->find('[class="file-info"]', 0) or returnServerError('Could not find file info!'); $this->filename = $fileinfo->plaintext; $comments = $html->find('div[class="timeline-comment-wrapper"]'); if(is_null($comments)) { // no comments yet return; } foreach($comments as $comment) { $uri = $comment->find('a[href*=#gistcomment]', 0) or returnServerError('Could not find comment anchor!'); $title = $comment->find('div[class="unminimized-comment"] h3[class="timeline-comment-header-text"]', 0) or returnServerError('Could not find comment header text!'); $datetime = $comment->find('[datetime]', 0) or returnServerError('Could not find comment datetime!'); $author = $comment->find('a.author', 0) or returnServerError('Could not find author name!'); $message = $comment->find('[class="comment-body"]', 0) or returnServerError('Could not find comment body!'); $item = array(); $item['uri'] = $uri->href; $item['title'] = str_replace('commented', 'commented on', $title->plaintext); $item['timestamp'] = strtotime($datetime->datetime); $item['author'] = '<a href="' . $author->href . '">' . $author->plaintext . '</a>'; $item['content'] = $this->fixContent($message); // $item['enclosures'] = array(); // $item['categories'] = array(); $this->items[] = $item; } } /** Removes all unnecessary tags and adds formatting */ private function fixContent($content){ // Restore code (inside <pre />) highlighting foreach($content->find('pre') as $pre) { $pre->style = <<<EOD padding: 16px; overflow: auto; font-size: 85%; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; word-wrap: normal; box-sizing: border-box; margin-bottom: 16px; EOD; $code = $pre->find('code', 0); if($code) { $code->style = <<<EOD white-space: pre; word-break: normal; EOD; } } // find <code /> not inside <pre /> (`inline-code`) foreach($content->find('code') as $code) { if($code->parent()->tag === 'pre') { continue; } $code->style = <<<EOD background-color: rgba(27,31,35,0.05); padding: 0.2em 0.4em; border-radius: 3px; EOD; } // restore text spacing foreach($content->find('p') as $p) { $p->style = 'margin-bottom: 16px;'; } // Remove unnecessary tags $content = strip_tags( $content->innertext, '<p><a><img><ol><ul><li><table><tr><th><td><string><pre><code><br><hr><h>' ); return $content; } }