page view: fix messed up ul close tags

handlers/handlerpageview.cpp

@@ -38,25 +38,32 @@ std::string HandlerPageView::createIndexContent(IParser &parser, std::string con
 {
 	std::vector<Headline> headlines = parser.extractHeadlines(content);
 	std::string indexcontent = "";
-	unsigned int l = 0;
+	unsigned int previous = 0;
 	for(const Headline &h : headlines)
 	{
-		if(h.level > l)
+		if(h.level > previous)
 		{
 			indexcontent += "<ul>";
 		}
-		else if(h.level < l)
+		else if(h.level < previous)
 		{
-			indexcontent += "</ul>";
+			unsigned int diff = previous - h.level;
+			for(unsigned int i = 0; i < diff; i++)
+			{
+				indexcontent += "</ul>";
+			}
 		}
-		l = h.level;
+		previous = h.level;
 		HtmlLink link;
 		link.href = "#" + h.title;
 		link.innervalue = h.title;
 		link.cssclass = "indexlink";
 		indexcontent += "<li>" + link.render() + "</li>";
 	}
-	indexcontent += "</ul>";
+	for(unsigned int i = 0; i < previous; i++)
+	{
+		indexcontent += "</ul>";
+	}
 	return indexcontent;
 }