/// <summary>
 /// Append log information to log writer.
 /// </summary>
 /// <param name="logger">Log writer object.</param>
 /// <param name="newLine">Flag of whether add a new line.</param>
 /// <param name="format">Format of the output.</param>
 /// <param name="list">Argument list of the output.</param>
 private static void TraceLog(TextLogger logger, bool newLine,
     string format, params object[] list)
 {
     if (logger != null)
     {
         if (newLine)
         {
             logger.LogLine(format, list);
         }
         else
         {
             logger.Log(format, list);
         }
     }
 }
        /// <summary>
        /// Traverse script file.
        /// </summary>
        /// <param name="visitor">Script item processor interface.</param>
        /// <param name="importDataPathList">File list for importing data model.</param>
        /// <param name="inScriptFile">Input script file.</param>
        /// <param name="outScriptFile">Output script file.</param>
        /// <param name="logger">Text logger.</param>
        /// <param name="parameters">Parameters.</param>
        public static void TraverseScriptFile(IScriptItemProcessor visitor, Dictionary<string, string> importDataPathList, 
            string inScriptFile, string outScriptFile, TextLogger logger,
            object parameters)
        {
            if (string.IsNullOrEmpty(inScriptFile))
            {
                throw new ArgumentNullException("inScriptFile");
            }

            if (!File.Exists(inScriptFile))
            {
                throw new FileNotFoundException(inScriptFile);
            }

            XmlScriptFile script = new XmlScriptFile();
            string message = Helper.NeutralFormat("Processing file : {0}", inScriptFile);
            Console.WriteLine(message);
            string fileName = Path.GetFileName(inScriptFile);

            try
            {
                script.Load(inScriptFile);
                List<string> listDiscard = new List<string>();

                foreach (ScriptItem scriptItem in script.Items)
                {
                    try
                    {
                        // When the mode is "Import F0/Power/Segment", the importDataPathList will not be null.
                        if (importDataPathList == null || importDataPathList.ContainsKey(scriptItem.Id))
                        {
                            visitor.ProcessItem(scriptItem, parameters);
                        }
                        else
                        {
                            listDiscard.Add(scriptItem.Id);
                        }
                    }
                    catch (InvalidDataException exception)
                    {
                        if (logger != null)
                        {
                            logger.LogLine("ERROR : [File {0}][Item {1}]{2}", fileName,
                                scriptItem.Id, exception.Message);
                        }
                    }
                }

                foreach (string id in listDiscard)
                {
                    script.Remove(id);
                }

                if (!string.IsNullOrEmpty(outScriptFile))
                {
                    Helper.TestWritable(outScriptFile);
                    script.Save(outScriptFile, Encoding.Unicode);
                }
            }
            catch (InvalidDataException exception)
            {
                if (logger != null)
                {
                    logger.LogLine("ERROR : [File {0}]{1}", fileName, exception.Message);
                }
            }
        }
 /// <summary>
 /// Add line in log writer.
 /// </summary>
 /// <param name="logger">Log writer object.</param>
 private static void TraceLogLine(TextLogger logger)
 {
     if (logger != null)
     {
         logger.LogLine();
     }
 }