private static bool ParseCommandGroups <TOptions>(string[] args, ref TOptions options, TypeArgumentInfo arguments) where TOptions : new()
{
if (arguments.ActionArgument == null)
{
throw new ArgumentException("Cannot have groups unless Command argument has been specified");
}
if (args.Length == 0)
{
throw new ArgumentException("Required parameters have not been specified");
}
// parse based on the command passed in (the first arg).
if (!arguments.ArgumentGroups.ContainsKey(args[0]))
{
throw new ArgumentException($"Unknown command [Cyan!{args[0]}]");
}
// short circuit the request for help!
if (args.Length == 2 && (args[1] == "/?" || args[1] == "-?"))
{
HelpGenerator.DisplayHelpForCommmand(args[0], arguments.ArgumentGroups[args[0]]);
return(false);
}
options = InternalParse <TOptions>(args, 1, arguments.ArgumentGroups[args[0]]);
arguments.ActionArgument.SetValue(options, PropertyHelpers.GetValueAsType(args[0], arguments.ActionArgument));
return(true);
}