public static int Main(string[] args)
{
var app = new CommandLineApplication
{
Name = AppDomain.CurrentDomain.FriendlyName,
Description = "Converts GuitarPro files to MIDI files."
};
app.HelpOption("-h|--help");
app.VersionOption("--version",
() =>
$@"Version {(Assembly.GetEntryAssembly() ?? throw new NullReferenceException("Unable to get entry assembly"))
.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion}");
var inputFile = app.Argument("input_file", "Path to GuitarPro file");
var verbose = app.Option("-v|--verbose", "Enable debug logs", CommandOptionType.NoValue);
var outputFile = app.Option("-o|--output <output_file>", "Optional output file path",
CommandOptionType.SingleValue);
var force = app.Option("-f|--force", "Overwrite output file", CommandOptionType.NoValue);
app.OnExecute(() =>
{
if (string.IsNullOrEmpty(inputFile.Value))
{
app.ShowHint();
return(1);
}
ConfigureLogging(verbose.HasValue() ? LogLevel.Debug : LogLevel.Info);
var gpFile = new GpFileParser(inputFile.Value);
var midiBytes = gpFile.CreateMidiFile();
using var fs = new FileStream(
outputFile.Value() ?? Path.Join(Path.GetDirectoryName(inputFile.Value),
$"{Path.GetFileNameWithoutExtension(inputFile.Value)}.mid"),
force.HasValue() ? FileMode.Create : FileMode.CreateNew, FileAccess.Write);
fs.Write(midiBytes, 0, midiBytes.Length);
return(0);
});
try
{
return(app.Execute(args));
}
catch (CommandParsingException e)
{
Console.Error.WriteLine(e.Message);
}
catch (Exception e)
{
Console.Error.WriteLine($"Error: {e.Message}");
if (verbose.HasValue())
{
Console.Error.WriteLine(e.StackTrace);
}
}
return(1);
}
public void CreateMidiFile_ValidGpFile_ValidMidiOutput(string inputFile, string expectedOutputFile)
{
var parser = new GpFileParser(inputFile);
var expectedBytes = File.ReadAllBytes(expectedOutputFile);
var outputBytes = parser.CreateMidiFile();
Assert.Equal(expectedBytes, outputBytes);
}
