public static void Main()

in traceabilitytool/program.cs [64:189]
96 lines of code
30 McCabe index (conditional complexity)

        public static void Main(string[] args)
        {
            bool inputDirValid = false;
            bool outputDirValid = false;
            bool buildCheck = false;
            bool optionGUI = false;
            // Command line interface can be enabled as a command line option
            bool consoleEnabled = false;

            exclusionDirs = new List<string>();

            if (args.Length > 0)
            {
                for (int i = 0; i < args.Length; i++)
                {
                    // Find the input directory paramter, which should follow the "-i" parameter
                    if (args[i].Equals("-i", StringComparison.OrdinalIgnoreCase) && (i < args.Length - 1))
                    {
                        inputDirValid = Directory.Exists(args[i + 1]);
                        if (inputDirValid)
                            inputDir = args[i + 1];
                    }

                    // Find the output directory parameter, which should follow the "-o" parameter
                    if (args[i].Equals("-o", StringComparison.OrdinalIgnoreCase) && (i < args.Length - 1))
                    {
                        outputDirValid = Directory.Exists(args[i + 1]);
                        if (outputDirValid)
                        {
                            outputDir = args[i + 1];
                        }
                    }

                    // The "GUI" option enables GUI mode of operation as opposed to command-line mode.
                    if (args[i].Equals("-GUI", StringComparison.OrdinalIgnoreCase))
                        optionGUI = true;

                    // The "CSV" option forces reports to be generated in the comma-separated values (CSV) format in addition to plain text reports.
                    if (args[i].Equals("-CSV", StringComparison.OrdinalIgnoreCase))
                        MainForm.outputCSV = true;

                    // The "BUILDCHECK" option forces reports to be generated in the comma-separated values (CSV) format in addition to plain text reports.
                    if (args[i].Equals("-BUILDCHECK", StringComparison.OrdinalIgnoreCase))
                    {
                        MainForm.buildCheck = true;
                        buildCheck = true;
                    }

                    if (args[i].Equals("-e", StringComparison.OrdinalIgnoreCase) && (i < args.Length - 1))
                    {
                        string[] dirs = args[i + 1].Split(';');
                        foreach (string d in dirs)
                        {
                            string backSlashDir = d.Replace("/", "\\");
                            if (!Directory.Exists(backSlashDir))
                            {
                                Console.WriteLine($"Invalid exclusion directory specified: {d}");
                            }
                            else
                            {
                                exclusionDirs.Add(backSlashDir);
                            }
                        }
                    }
                }

                // parse out incompatible options
                if ((buildCheck && (optionGUI || MainForm.outputCSV || outputDirValid)) ||
                     (!buildCheck && (!outputDirValid && !optionGUI)))
                {
                    Usage();
                    exitCode = 1;
                }

                if (!optionGUI && !inputDirValid)
                {
                    Usage();
                    exitCode = 1;
                }
            }
            else
            {
                //Default to enable console if Usage is wrong.
                consoleEnabled = enableConsole();
                Usage();
                exitCode = 1;
            }
            



            if (exitCode == 0)
            {


                if (!optionGUI)
                {
                    consoleEnabled = enableConsole();
                }

                if (optionGUI)
                {
                    // GUI enabled
                    Application.EnableVisualStyles();
                    Application.SetCompatibleTextRenderingDefault(false);
                    Application.Run(new MainForm());
                }
                else
                {
                    // The minimum required parameters were correctly specified.  Run the reports in CLI mode
                    exitCode = ReportGenerator.GenerateReport(inputDir, outputDir, exclusionDirs.ToArray(), null);
                    Console.WriteLine();
                    if (outputDirValid)
                    {
                        Console.WriteLine("Reports have been generated in " + outputDir);
                    }
                }

            }


            if (consoleEnabled)
                FreeConsole();

            System.Environment.Exit(exitCode);
        }