private static List <string> GetTagsFromPostContent(HtmlDocument doc)
{
// Parse tags from the content of a blog post that contains HTML
// similar to the following:
//
// <h3>
// Tags</h3>
// <ul>
// <li><a href="..." rel="tag"> My
// System </a></li>
// <li><a href="..." rel="tag">Toolbox</a></li>
// </ul>
//
// For the example HTML above, a list containing "My System" and
// "Toolbox" would be returned.
var tagLinks = doc.DocumentNode.SelectNodes(
"//h3[normalize-space() = 'Tags']/following-sibling::ul/li/a");
var tags = new List <string>();
if (tagLinks != null)
{
foreach (var tagLink in tagLinks)
{
var tag = HtmlDocumentHelper.NormalizeWhitespace(
tagLink.InnerText).Trim();
tags.Add(tag);
}
}
return(tags);
}