async Task ICommandExecutorImpl.ExecuteInternalAsync(VerbAttribute verb, IEnumerator <CommandPart> commandParts, GlobalOptionsWrapper globalOptions)
{
if (!commandParts.MoveNext())
{
throw new BadCommandException(verb, "Malformed command");
}
if (commandParts.Current.IsArgument)
{
var key = _parser.GetString(commandParts.Current.Key);
if (_impl.TrySetGlobalOption(key, commandParts.Current, globalOptions))
{
await _impl.ExecuteInternalAsync(verb, commandParts, globalOptions);
return;
}
if (_commandHelper.TryShowHelpOrVersion(commandParts.Current, verb, key, _options, globalOptions))
{
return;
}
throw new BadCommandException(verb, "Unexpected option");
}
var name = _parser.GetString(commandParts.Current.Key);
if (verb.Verbs.TryGetValue(name, out var nextVerb))
{
await _impl.ExecuteInternalAsync(nextVerb, commandParts, globalOptions);
return;
}
if (verb.Commands.TryGetValue(name, out var nextCommand))
{
await _impl.ExecuteCommandAsync(nextCommand, commandParts, globalOptions);
return;
}
throw new BadCommandException(verb, name);
}