static void Main(string[] args)
{
double x, y, result = 0;
char sign;
bool input2 = true;
IOManager manager = new IOManager();
ActionFactory actionFactory = new ActionFactory();
IAction action;
while (true)
{
if (input2)
{
manager.Input2arguments();
x = manager.ReadFirstArgument();
sign = manager.ReadSign(actionFactory);
y = manager.ReadSecondArgument();
action = actionFactory.GetAction(sign);
result = action.Calculate(x, y);
Console.WriteLine("Результат вычисления = " + result);
}
if (manager.IsClose())
{
break;
}
else
if (manager.IsUseResult())
{
input2 = false;
if (manager.IsUseFirst())
{
x = result;
sign = manager.ReadSign(actionFactory);
y = manager.ReadSecondArgument();
action = actionFactory.GetAction(sign);
result = action.Calculate(x, y);
Console.WriteLine("Результат вычисления = " + result);
}
else
{
x = manager.ReadFirstArgument();
sign = manager.ReadSign(actionFactory);
y = result;
action = actionFactory.GetAction(sign);
result = action.Calculate(x, y);
Console.WriteLine("Результат вычисления = " + result);
}
}
else
{
input2 = true;
continue;
}
}
}
public char ReadSign(ActionFactory af)
{
char sign;
bool isValid = false;
do
{
Console.WriteLine("Введите знак действия");
if (Char.TryParse(Console.ReadLine(), out sign) && (af.GetAction(sign) != null))
{
isValid = true;
}
else
{
Console.WriteLine("Ошибка в символе, повторите ввод");
}
} while (isValid == false);
return(sign);
}