public static InputHistory GetInstance()
{
if (_instance == null)
{
_instance = new InputHistory();
}
return(_instance);
}
public void Start()
{
// pub.PubOp(calc);
/* string userInput="end";
* try
* {*/
var pub = new ConsolePub();
var sub = new ConsoleSub(pub);
while (true)
{
Console.WriteLine("Please choose an operation(+,-,/,*,>/ for square root, ^2 for squaring the number), or view the history of calculations with 'History', and change the history with 'Modify History'");
string userInput = Console.ReadLine();
int count = 0;
// userInput = calc.GetOperation();
//change cases to call methods in pub
// Console.WriteLine(e.Message);
/* }
* catch(Exception e)
* {
* pub.PubFailed(e);
* }*/
Calculation calc = new Calculation();
switch (userInput)
{
case "+":
calc.SetOperation(userInput);
pub.PubAdd(getInput(calc), userInput);
break;
case "-":
calc.SetOperation(userInput);
pub.PubSub(getInput(calc), userInput);
break;
case "/":
calc.SetOperation(userInput);
pub.PubDiv(getInput(calc), userInput);
break;
case "*":
calc.SetOperation(userInput);
pub.PubMult(getInput(calc), userInput);
break;
case ">/":
calc.SetOperation(userInput);
pub.PubSqrt(getInput(calc), userInput);
break;
case "^2":
calc.SetOperation(userInput);
pub.PubPow(getInput(calc), userInput);
break;
case "History":
//pub.PubHist(calc, userInput);
InputHistory.GetInstance().ViewHistory();
break;
case "Modify History":
ChangeHistory hist = new ChangeHistory();
hist.CHistory(count);
break;
case "end":
System.Environment.Exit(1);
break;
default:
Console.WriteLine("Invalid operation. Enter a valid operation");
break;
}
}
}
