private CommandLineParserResult HandleExcept(CommandLineParserResult result, TokenizedInput tokens, string currentToken)
{
var index = tokens.IndexOf(currentToken) + 1;
if (index >= tokens.Count)
{
return(null);
}
var except = new List <Object>();
// process rest of the tokens as objects
for (int i = index; i < tokens.Count; i++)
{
// TODO: handle multiple objects with same name
var next = tokens[i];
if (next.IsPreposition() && result.Preposition == null)
{
result.Preposition = Prepositions.Get(next);
continue;
}
var obj = GetObject(result, next);
if (obj == null)
{
result.Error = Messages.CantSeeObject;
return(result);
}
else if (obj is MultipleObjectsFound)
{
var input = GetInput(result.Verb);
if (input.Error.HasValue())
{
return(input);
}
if (input.Objects.Count > 0)
{
except.AddRange(input.Objects);
}
}
else
{
except.Add(obj);
}
}
result.Objects = result.Objects.Where(x => !except.Contains(x)).ToList();
return(null);
}
