public async ValueTask Invoke(CommandArgument argument)
{
var currentArgument = argument;
if (argument.Command == null)
{
if (!CommandContainer.TryAssignCommand(argument, out var nextArgument))
{
Logger.LogWarning($"Unknown command {argument.Command}");
return;
}
else
{
currentArgument = nextArgument;
}
}
if (currentArgument.Command == "help" && CurrentScope.TryResolve <ICommandHelp>(out var help))
{
help.HandleHelp(argument);
return;
}
if (!commandHandlers.TryGetValue(currentArgument.Command, out var handlerInfo) || handlerInfo == null)
{
Logger.LogWarning($"Unknown command {argument.Command}");
return;
}
object ret;
if (handlerInfo.CommandHandler.GetParameters().Length == 0)
{
ret = handlerInfo.CommandHandler.Invoke(CommandContainer, null);
}
else
{
var parser = parsers[handlerInfo.HandlerParserType];
ret = handlerInfo.CommandHandler.Invoke(CommandContainer, parser.ParseCommandArgument(argument).ToArray());
}
if (ret != null && handlerInfo.IsAwaitable)
{
switch (ret)
{
case Task task:
await task;
return;
case ValueTask valueTask:
await valueTask;
return;
}
}
}