public string Input(string userCommand)
{
if (userCommand == "exit")
{_inPlay = false;
return null;}
if (state == null)
{
//it must be the first go!
state = factory.Create();
commandParser = new CommandParser(new VerbRepository(), state);
return state.Location.Description;
}
try
{
var meaningfulCommand = commandParser.Parse(userCommand);
meaningfulCommand.Execute(state);
return state.Location.Description + state.Location.NearObjects.Description;
}
catch (NoVerbException)
{
return "I couldn't find a verb in that sentence, perhaps you are using a verb outside my limited vocabulary";
}
catch (NoWayThereException)
{
return "That way is blocked";
}
}
public CommandParser(IVerbRepository verbRepository, GameState gameState)
{
_verbRepository = verbRepository;
this.gameState = gameState;
}
public void Execute(GameState state)
{
Verb.Do(VerbTool, VerbObject, state);
}
