private DragonDosFile ReadLocalFile(string localFilename, IEnumerator <string> ai)
{
if (localFilename.EndsWith(".CAS", StringComparison.InvariantCultureIgnoreCase))
{
return(ReadLocalCasFile(localFilename, ai));
}
else
{
var data = File.ReadAllBytes(localFilename);
DragonDosFile file = null;
switch (filetype)
{
case FileType.Data:
file = DragonDosFile.CreateDataFile(data);
break;
case FileType.Basic:
file = DragonDosFile.CreateBasicFile(data);
break;
case FileType.Native:
file = DragonDosFile.CreateMachineCodeFile(data, LoadAddress, StartAddress);
break;
default:
throw new Exception("Invalid file type specified");
}
return(file);
}
}
/// <summary>
/// Read a file from a virtual Dragon cassette and return the corresponding DragonDosFile
/// object.
/// </summary>
/// <param name="tapeFilename">Name of the virtual Dragon tape.</param>
/// <param name="ai">Additional parameters: Filename</param>
/// <returns></returns>
private DragonDosFile ReadLocalCasFile(string tapeFilename, IEnumerator <string> ai)
{
var filename = ai.MoveNext() ? ai.Current : null;
using (var tape = new DragonTape(new CasTape(new FileStream(tapeFilename, FileMode.Open))))
{
var file = (DragonFile)tape.ReadFile(filename);
switch (file.FileType)
{
case DragonFileType.Basic:
return(DragonDosFile.CreateBasicFile(file.GetData()));
case DragonFileType.MachineCode:
return(DragonDosFile.CreateMachineCodeFile(file.GetData(), file.LoadAddress, file.StartAddress));
case DragonFileType.Data:
return(DragonDosFile.CreateDataFile(file.GetData()));
default:
throw new InvalidFileTypeException();
}
}
}