public void EvaluateUserInput(int v1, int v2, char op)
{
stack.SetLastExpression(v1, v2, op);
switch (op)
{
case '+':
Add add = new Add();
ResultFromEval = add.Operate(v1, v2);
break;
case '-':
Subtract sub = new Subtract();
ResultFromEval = sub.Operate(v1, v2);
break;
case '/':
Divide div = new Divide();
ResultFromEval = div.Operate(v1, v2);
break;
case '*':
Multiply mul = new Multiply();
ResultFromEval = mul.Operate(v1, v2);
break;
case '%':
Modulus mod = new Modulus();
ResultFromEval = mod.Operate(v1, v2);
break;
default:
break;
}
}
public void HandleInput(string input)
{
switch (input)
{
case "exit":
case "quit":
{
Console.WriteLine("Bye!");
Console.ReadKey();
Environment.Exit(0);
break;
}
case "last":
{
Console.WriteLine(stack.LastAnswer);
break;
}
case "lastp":
{
Console.WriteLine(stack.LastExpression);
break;
}
default:
if (!Constants.IsInputANewConst(input))
{
exp.CheckIfUserInputIsValid(input);
eval.EvaluateUserInput(exp.Value_1, exp.Value_2, exp.Operator);
if (exp.IsValidInput)
{
Console.WriteLine(string.Format("{0} {1}", AnswerPrefix(), eval.ResultFromEval));
stack.SetLastExpression(exp.Value_1, exp.Value_2, exp.Operator);
stack.SetLastAnswer(eval.ResultFromEval);
}
else
{
Console.WriteLine(ErrorMessages.InvalidFormat());
}
}
break;
}
PromptCounter++;
}
