BEurtle.IssueDetail.NewCommentTreeNode C# (CSharp) Method

        private TreeNode NewCommentTreeNode(XPathNavigator comment, string prefix=null)
        {
            string s = prefix==null ? "" : prefix;
            s+=comment.SelectSingleNode("short-name").ToString() + " " + comment.SelectSingleNode("author").ToString() + " " + comment.SelectSingleNode("date").ToString() + ": ";
            var commentbody = comment.SelectSingleNode("body").ToString();
            var commenttype = comment.SelectSingleNode("content-type").ToString();
            switch (commenttype)
            {
                case "text/plain":
                    if (commentbody.Length <= 48)
                        s += commentbody;
                    else
                        s += commentbody.Substring(0, 48) + " ...";
                    break;
                case "text/html":
                    int idx=0, count = 0;
                    bool inhtml = false;
                    for (; count < 48 && idx<commentbody.Length; idx++)
                    {
                        if (inhtml)
                        {
                            if (commentbody[idx] == '>')
                                inhtml = false;
                        }
                        else
                        {
                            if (commentbody[idx] == '<')
                                inhtml = true;
                            else
                            {
                                s += commentbody[idx];
                                count++;
                            }
                        }
                    }
                    if (idx < commentbody.Length) s += " ...";
                    break;
                default:
                    s += commenttype;
                    break;
            }
            return new TreeNode(s);
        }