public int Execute()
{
if (_commandNameToCommand.Count == 0)
{
WriteLine(Strings.Error_NoCommands, T.ErrorTextColor);
return(1);
}
var args = new ConsoleArguments();
if (args.HasOnlyHelpSwitch() || args.CommandName == null)
{
IHelpGenerator help = new ConsoleHelpGenerator();
help.GenerateHelp(this);
return(0);
}
if (!_commandNameToCommand.TryGetValue(args.CommandName, out Command command))
{
WriteLine(string.Format(Strings.Error_UnknownCommand, args.CommandName), T.ErrorTextColor);
return(1);
}
return(command.Execute(args.WithoutCommand(), _onBeforeExecuteCommand));
}
internal int Execute(ConsoleArguments arguments, Action <Command> onBeforeExecuteCommand)
{
//make sure options have a command attached
foreach (LinePrimitive opt in _options)
{
opt.Command = this;
}
if (arguments.HasOnlyHelpSwitch())
{
IHelpGenerator help = new ConsoleHelpGenerator();
help.GenerateHelp(this);
return(0);
}
_args = arguments;
onBeforeExecuteCommand?.Invoke(this);
try
{
if (_onExecuteMethod != null)
{
_onExecuteMethod();
}
else if (_onExecuteAsyncMethod != null)
{
_onExecuteAsyncMethod().Wait();
}
else
{
WriteLine(Strings.Error_CommandHasNoExecute, T.ErrorTextColor);
return(1);
}
return(0);
}
catch (ArgValidationException ex)
{
Write(ex.ParamName, T.ErrorTextColor);
Write(": ");
WriteLine(ex.OriginalMessage);
return(1);
}
catch (Exception ex)
{
bool continueErrorHandling = _app.RaiseError(this, ex);
if (continueErrorHandling)
{
WriteLine(ex.Message, T.ErrorTextColor);
}
return(1);
}
}