ASAP2MergeDataExample

using jnsoft.Helpers;

namespace jnsoft.ASAP2.Values.Examples;

/// <summary>
/// Merge data example.
///
/// - Loading an A2L and it's corresponding datafile (HEX or S19)
/// - Merging an INCA DCM file (.dcm)
/// - Save the changed data file
///
/// Usage: ASAP2MergeDataExample A2LFile.a2l DataFileIn.hex|.s19 ImportDataFile.DCM
/// </summary>
class Program
{
  /// <summary>
  /// Main function.
  /// </summary>
  /// <param name="args">The commandline arguments</param>
  /// <returns>Console application exitcode (0 if successful)</returns>
  static int Main(string[] args)
  {
    var appName = Extensions.AppName;
    if (args.Length != 3)
    { // no args -> present usage
      Console.Write($"{appName}({Extensions.AppVersion}) - ");
      Console.WriteLine("Merge data from a DCM file into a HEX/S19 file\n");
      Console.WriteLine("Required input: An A2L, a corresponding HEX/S19 file and a datafile (DCM) to merge");
      Console.WriteLine($"Usage: {appName} A2LFile.a2l datafile.hex|.s19 datafile.dcm");
      Console.WriteLine($"Example: {appName} ecu.a2l ecu.hex import.dcm");
      return -1;
    }

    try
    { // parse specified A2L file
      using var a2lParser = new A2LParser();
      if (!a2lParser.parse(args[0]))
        // not an a2l file
        return -2;

      // Get default memory
      var project = a2lParser.Project;
      var module = project.getNode<A2LMODULE>(true);
      var initialSegments = module.createInitialMemorySegments(false);

      // Parse the data file (HEX or S19)
      var dataFile = DataFile.open(args[1], initialSegments);

      // Parse the DCM file
      var dcmFile = DCMFile.open(args[2], module);
      if (dcmFile == null)
        // failed to open or read the DCM file
        return -3;

      // Importing the DCM file data into the hex file data
      var outFilename = Path.GetFileNameWithoutExtension(args[1]) + ".out" + Path.GetExtension(args[1]);
      dataFile.import(dcmFile.Values.ToArray());

      // save the result
      if (!dataFile.save(outFilename, false))
        // failed to save the resulting hex file
        return -4;

      Console.WriteLine("{0} merged data from {1} with {2}, written to {3}"
        , appName
        , Path.GetFileName(args[2])
        , Path.GetFileName(args[1])
        , Path.GetFileName(outFilename)        );
      return 0;
    }
    catch (Exception ex)
    {
      Console.WriteLine($"Something failed {ex.Message}");
      return -5;
    }
  }
}