Excel-Exporter/Program.cs at main · Jackson-ABC/Excel-Exporter · GitHub

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using ExcelExporter.Classes;
using System.Runtime.InteropServices;
using Excel = Microsoft.Office.Interop.Excel;

internal class Program
{
    private static void Main(string[] args)
    {
        Console.WriteLine("Excel Exporter - Command Line Interface");
        Console.WriteLine("====================================");
        Console.WriteLine("A tool for exporting data to Excel files");
        Console.WriteLine();

        if (!args.Any())
        {
            Console.WriteLine("Temporarily here for testing. Input args, seperated by ';'");

            args = (Console.ReadLine() ?? "").Split(";");
            if (args.Length == 0) { return; }

            for (int i = 0; i < args.Count(); i++)
            {
                args[i] = args[i].Trim();
            }
        }

        if (!ArgumentsHandler.HandleArguments(args, out ParsedArguments parsedArguments, out string? messages))
        {
            Console.WriteLine(messages);
            return;
        }

        if (string.IsNullOrEmpty(parsedArguments.InputFilePath) || string.IsNullOrEmpty(parsedArguments.FileType) || string.IsNullOrEmpty(parsedArguments.OutputDir))
        {
            Console.WriteLine("No inputs specified. Use --help to see usage.");
            return;
        }

        string workbookName = parsedArguments.OutputName + "_internals";
        string workbookDir = Path.Combine(parsedArguments.OutputDir, workbookName);

        GenerateRequiredDirectories.Run(parsedArguments.InputFilePath, parsedArguments.FileType, workbookDir);
        string worksheetDir = Path.Combine(workbookDir, "Sheets");
        string vbaDir = Path.Combine(workbookDir, "VBA");
        string ribbonXDir = Path.Combine(workbookDir, "RibbonX");

        #region Excel Export
        VBA_Handling vbaHandling = new VBA_Handling();
        Ribbon_Handling ribbonHandling = new Ribbon_Handling();
        Excel.Application xlApp = new Excel.Application()
        {
            Visible = false,
            DisplayAlerts = false,
            AutomationSecurity = Microsoft.Office.Core.MsoAutomationSecurity.msoAutomationSecurityForceDisable
        };
        xlApp.EnableEvents = false;

        Excel.Workbook xlWB = null;

        try
        {
            xlWB = xlApp.Workbooks.Open(
                parsedArguments.InputFilePath,
                UpdateLinks: 0,
                ReadOnly: true,
                IgnoreReadOnlyRecommended: true,
                AddToMru: false
            );

            foreach (Excel.Worksheet xlWS in xlWB.Sheets)
            {
                try
                {
                    Console.WriteLine($"Exporting worksheet '{xlWS.Name}'...");

                    string displaySheetName = xlWS.Name + "_display";
                    string formulaSheetName = xlWS.Name + "_formula";

                    Excel.Range xlRng_used = xlWS.UsedRange;
                    object[,] valueArray = xlRng_used.Value2 as object[,];
                    object[,] formulaArray = xlRng_used.Formula as object[,];

                    CSVHandler.WriteToCSV(valueArray, worksheetDir, displaySheetName);
                    CSVHandler.WriteToCSV(formulaArray, worksheetDir, formulaSheetName);

                    try
                    {
                        vbaHandling.ExportWorksheetVBA(xlWS, vbaDir);
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine($"Warning: Could not export VBA code for worksheet '{xlWS.Name}': {ex.Message}");
                    }
                }
                finally
                {
                    Marshal.FinalReleaseComObject(xlWS);
                }
            }

            vbaHandling.ExportModulesVBA(xlWB, vbaDir);
            vbaHandling.ExportClassesVBA(xlWB, vbaDir);
            vbaHandling.ExportFormsVBA(xlWB, vbaDir);
            vbaHandling.ExportThisWorkbookVBA(xlWB, vbaDir);

            string tempPath = Path.Combine(workbookDir, "TempRibbonExport.xlsm");
            xlWB.SaveCopyAs(tempPath);
            ribbonHandling.ExportRibbonXML(tempPath, ribbonXDir);
            File.Delete(tempPath);
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.ToString());
        }
        finally
        {
            #region Cleanup
            Console.WriteLine("Cleaning up...");
            if (xlWB != null)
            {
                xlWB.Close(false);
                Marshal.FinalReleaseComObject(xlWB);
                xlWB = null;
            }

            if (xlApp != null)
            {
                xlApp.AutomationSecurity = Microsoft.Office.Core.MsoAutomationSecurity.msoAutomationSecurityByUI;
                xlApp.Quit();
                Marshal.FinalReleaseComObject(xlApp);
                xlApp = null;
            }

            GC.Collect();
            GC.WaitForPendingFinalizers();
            #endregion
        }
        #endregion
    }
}