[YoutubeBridge] Improve readability of feed contents

Previously feed contents were rendered as one block of text with
no structure. This brings back the structure of original video
descriptions and makes links in the description work again.

References #520

bridges/YoutubeBridge.php

@@ -49,7 +49,7 @@ class YoutubeBridge extends BridgeAbstract {
 	);
 
 	private function ytBridgeQueryVideoInfo($vid, &$author, &$desc, &$time){
-		$html = getSimpleHTMLDOM(self::URI . "watch?v=$vid");
+		$html = $this->ytGetSimpleHTMLDOM(self::URI . "watch?v=$vid");
 		$author = $html->innertext;
 		$author = substr($author, strpos($author, '"author=') + 8);
 		$author = substr($author, 0, strpos($author, '\u0026'));
@@ -74,6 +74,14 @@ class YoutubeBridge extends BridgeAbstract {
 			$title = $this->ytBridgeFixTitle($element->find('title', 0)->plaintext);
 			$author = $element->find('name', 0)->plaintext;
 			$desc = $element->find('media:description', 0)->innertext;
+
+			// Make sure the description is easy on the eye :)
+			$desc = htmlspecialchars($desc);
+			$desc = nl2br($desc);
+			$desc = preg_replace('/(http[s]{0,1}\:\/\/[a-zA-Z0-9.\/]{4,})/ims',
+				'<a href="$1" target="_blank">$1</a> ',
+				$desc);
+
 			$vid = str_replace('yt:video:', '', $element->find('id', 0)->plaintext);
 			$time = strtotime($element->find('published', 0)->plaintext);
 			$this->ytBridgeAddItem($vid, $title, $author, $desc, $time);
@@ -105,6 +113,20 @@ class YoutubeBridge extends BridgeAbstract {
 		return html_entity_decode($title, ENT_QUOTES, 'UTF-8');
 	}
 
+	private function ytGetSimpleHTMLDOM($url){
+		return getSimpleHTMLDOM($url,
+			$use_include_path = false,
+			$context = null,
+			$offset = 0,
+			$maxLen = null,
+			$lowercase = true,
+			$forceTagsClosed = true,
+			$target_charset = DEFAULT_TARGET_CHARSET,
+			$stripRN = false,
+			$defaultBRText = DEFAULT_BR_TEXT,
+			$defaultSpanText = DEFAULT_SPAN_TEXT);
+	}
+
 	public function collectData(){
 
 		$xml = '';
@@ -123,9 +145,9 @@ class YoutubeBridge extends BridgeAbstract {
 		}
 
 		if(!empty($url_feed) && !empty($url_listing)){
-			if($xml = getSimpleHTMLDOM($url_feed)){
+			if($xml = $this->ytGetSimpleHTMLDOM($url_feed)){
 				$this->ytBridgeParseXmlFeed($xml);
-			} elseif($html = getSimpleHTMLDOM($url_listing)){
+			} elseif($html = $this->ytGetSimpleHTMLDOM($url_listing)){
 				$this->ytBridgeParseHtmlListing($html, 'li.channels-content-item', 'h3');
 			} else {
 				returnServerError("Could not request YouTube. Tried:\n - $url_feed\n - $url_listing");
@@ -133,7 +155,7 @@ class YoutubeBridge extends BridgeAbstract {
 		} elseif($this->getInput('p')){ /* playlist mode */
 			$this->request = $this->getInput('p');
 			$url_listing = self::URI . 'playlist?list=' . urlencode($this->request);
-			$html = getSimpleHTMLDOM($url_listing)
+			$html = $this->ytGetSimpleHTMLDOM($url_listing)
 				or returnServerError("Could not request YouTube. Tried:\n - $url_listing");
 			$this->ytBridgeParseHtmlListing($html, 'tr.pl-video', '.pl-video-title a');
 			$this->request = 'Playlist: ' . str_replace(' - YouTube', '', $html->find('title', 0)->plaintext);
@@ -150,7 +172,7 @@ class YoutubeBridge extends BridgeAbstract {
 			. $page
 			. '&filters=video&search_sort=video_date_uploaded';
 
-			$html = getSimpleHTMLDOM($url_listing)
+			$html = $this->ytGetSimpleHTMLDOM($url_listing)
 				or returnServerError("Could not request YouTube. Tried:\n - $url_listing");
 
 			$this->ytBridgeParseHtmlListing($html, 'div.yt-lockup', 'h3');