protected void ParseCommandLine(string[] args)
{
try
{
_commandLineOps["version"] = new TopLevelOption("displays the version", null);
string command = null;
Func <string, string[], int> commandMethod = null;
string unsupportedOp = null;
if (args == null || args.Length == 0)
{
SetExitCode(ExitCodes.MissingCommandLineOption);
_showHelpMenu = true;
}
else
{
command = args[0].ToLower();
if (command == "version")
{
_showVersion = true;
}
commandMethod = GetCommandMethod(command);
if (commandMethod == null)
{
unsupportedOp = command;
}
}
if (_showVersion)
{
Console.WriteLine("{0} {1}", _versionProvider.GetProgramVersion(), _versionProvider.GetDataVersion());
SetExitCode(ExitCodes.Success);
}
else
{
if (_showHelpMenu)
{
CommandLineUtilities.DisplayBanner(_programAuthors);
ShowHelpMenu(unsupportedOp);
}
else
{
if (FoundParsingErrors())
{
return;
}
if (commandMethod != null)
{
ExitCode = commandMethod(command, args.Skip(1).ToArray());
}
}
}
}
catch (Exception e)
{
ExitCode = ExitCodeUtilities.ShowException(e);
}
}
/// <summary>
/// executes the command-line workflow
/// </summary>
public void Execute(string[] args)
{
var bench = new Benchmark();
try
{
List <string> unsupportedOps = null;
if (args == null || args.Length == 0)
{
SetExitCode(ExitCodes.MissingCommandLineOption);
_showHelpMenu = true;
}
else
{
try
{
unsupportedOps = _commandLineOps.Parse(args);
if (unsupportedOps.Count > 0)
{
SetExitCode(ExitCodes.UnknownCommandLineOption);
_showHelpMenu = true;
}
}
catch (OptionException oe)
{
_errorBuilder.AppendFormat("{0}ERROR: {1}\n", _errorSpacer, oe.Message);
SetExitCode(ExitCodes.UnknownCommandLineOption);
_showHelpMenu = true;
}
}
if (_showVersion)
{
Console.WriteLine("{0} {1}", _versionProvider.GetProgramVersion(), _versionProvider.GetDataVersion());
SetExitCode(ExitCodes.Success);
}
else
{
if (!Console.IsOutputRedirected)
{
CommandLineUtilities.DisplayBanner(_programAuthors);
}
if (_showHelpMenu)
{
Help.Show(_commandLineOps, _commandLineExample, _programDescription);
CommandLineUtilities.ShowUnsupportedOptions(unsupportedOps);
Console.WriteLine();
Console.WriteLine(_versionProvider.GetDataVersion());
Console.WriteLine();
// print the errors if any were found
if (FoundParsingErrors())
{
return;
}
}
else
{
ValidateCommandLine();
// print the errors if any were found
if (FoundParsingErrors())
{
return;
}
ProgramExecution();
}
}
}
catch (Exception e)
{
ExitCode = ExitCodeUtilities.ShowException(e);
}
_peakMemoryUsageBytes = MemoryUtilities.GetPeakMemoryUsage();
_wallTimeSpan = bench.GetElapsedTime();
if (!_showVersion && !_showHelpMenu && !Console.IsOutputRedirected)
{
Console.WriteLine();
if (_peakMemoryUsageBytes > 0)
{
Console.WriteLine("Peak memory usage: {0}", MemoryUtilities.ToHumanReadable(_peakMemoryUsageBytes));
}
Console.WriteLine("Time: {0}", Benchmark.ToHumanReadable(_wallTimeSpan));
}
}
