public static string GetHeader (AuthorInformation authorInfo, StandardHeaderPolicy policy, TextStylePolicy textPolicy,
		                                string fileName, bool newFile)
		{
			string[] comment = Document.GetCommentTags (fileName);
			if (comment == null)
				return "";
			
			if (string.IsNullOrEmpty (policy.Text) || (newFile && !policy.IncludeInNewFiles))
				return "";
			
			string result;
			string eolMarker = TextStylePolicy.GetEolMarker (textPolicy.EolMarker);
			
			if (comment.Length == 1) {
				string cmt = comment[0];
				//make sure there's a space between the comment char and the license text
				if (!char.IsWhiteSpace (cmt[cmt.Length - 1]))
					cmt = cmt + " ";
				
				StringBuilder sb = new StringBuilder (policy.Text.Length);
				string[] lines = policy.Text.Split ('\n');
				foreach (string line in lines) {
					if (string.IsNullOrWhiteSpace (line)) {
						sb.Append (cmt.TrimEnd ());
						sb.Append (eolMarker);
						continue;
					}
					sb.Append (cmt);
					sb.Append (line);
					sb.Append (eolMarker);
				}
				result = sb.ToString ();
			} else {
				//multiline comment
				result = String.Concat (comment[0], "\n", policy.Text, "\n", comment[1], "\n");
			}
			
			return StringParserService.Parse (result, new string[,] { 
				{ "FileName", Path.GetFileName (fileName) }, 
				{ "FileNameWithoutExtension", Path.GetFileNameWithoutExtension (fileName) }, 
				{ "Directory", Path.GetDirectoryName (fileName) }, 
				{ "FullFileName", fileName },
				{ "AuthorName", authorInfo.Name },
				{ "AuthorEmail", authorInfo.Email },
				{ "CopyrightHolder", authorInfo.Copyright },
			});
		}
        public override string CreateContent(MonoDevelop.Projects.Project project, Dictionary <string, string> tags, string language)
        {
            var cc = base.CreateContent(project, tags, language);

            if (addStdHeader)
            {
                StandardHeaderPolicy headerPolicy = project != null?project.Policies.Get <StandardHeaderPolicy>() : MonoDevelop.Projects.Policies.PolicyService.GetDefaultPolicy <StandardHeaderPolicy>();

                TextStylePolicy textPolicy = project != null?project.Policies.Get <TextStylePolicy>("text/plain") : MonoDevelop.Projects.Policies.PolicyService.GetDefaultPolicy <TextStylePolicy>("text/plain");

                DFormattingPolicy dPolicy = project != null?project.Policies.Get <DFormattingPolicy>("text/x-d") : MonoDevelop.Projects.Policies.PolicyService.GetDefaultPolicy <DFormattingPolicy>("text/x-d");

                if (string.IsNullOrWhiteSpace(headerPolicy.Text) || !headerPolicy.IncludeInNewFiles)
                {
                    return(cc);
                }

                var eol = TextStylePolicy.GetEolMarker(textPolicy.EolMarker);

                var hdr = StringParserService.Parse(headerPolicy.Text, tags);

                if (dPolicy.CommentOutStandardHeaders)
                {
                    var headerLines = hdr.Split('\n');

                    if (headerLines.Length == 1)
                    {
                        return("/// " + headerLines[0].Trim() + eol + cc);
                    }
                    else
                    {
                        var ret = "/**" + eol;
                        for (int i = 0; i < headerLines.Length; i++)
                        {
                            ret += " * " + headerLines[i].Trim() + eol;
                        }
                        return(ret + " */" + eol + cc);
                    }
                }
                else
                {
                    return(hdr + eol + cc);
                }
            }

            return(cc);
        }