static resultOperationContainer calculateOperation(string option, string[] arguments)
{
resultOperationContainer calcOperation = new resultOperationContainer();
try {
calculator mathOp = new calculator();
switch (option)
{
case "1":
case "sum":
{
calcOperation = mathOp.mathOperation(arguments[0], arguments[1], "1");
}; break;
case "2":
case "subtract":
{
calcOperation = mathOp.mathOperation(arguments[0], arguments[1], "2");
}; break;
case "3":
case "multiply":
{
calcOperation = mathOp.mathOperation(arguments[0], arguments[1], "3");
}; break;
case "4":
case "divide":
{
calcOperation = mathOp.mathOperation(arguments[0], arguments[1], "4");
}; break;
case "0":
{
exitApplication(0);
}; break;
default:
{
calcOperation.errorMessage = "Invalid option";
calcOperation.success = false;
}
break;
}
}
catch (Exception exc) {
calcOperation.exception = exc;
calcOperation.success = false;
}
return(calcOperation);
}
public resultOperationContainer mathOperation(String firstOperator, String secondOperator, string operationType)
{
resultOperationContainer container = new resultOperationContainer();
try
{
double firstNumber = 0;
double secondNumber = 0;
if ((double.TryParse(firstOperator, out firstNumber)) && (double.TryParse(secondOperator, out secondNumber)))
{
switch (operationType)
{
case "1": {
container.result = firstNumber + secondNumber;
container.success = true;
}; break;
case "2": {
container.result = firstNumber - secondNumber;
container.success = true;
}; break;
case "3": {
container.result = firstNumber * secondNumber;
container.success = true;
}; break;
case "4": {
if (secondNumber == 0)
{
throw new DivideByZeroException();
}
container.result = firstNumber / secondNumber;
container.success = true;
} break;
}
}
else
{
throw new FormatException("One or all the arguments are not in the correct format");
}
}
catch (Exception exc)
{
container.exception = exc;
container.success = false;
}
return(container);
}
static void Main(string[] args)
{
try
{
resultOperationContainer opContainer = new resultOperationContainer();
if (!allowedArgs.Contains(args[0], StringComparer.OrdinalIgnoreCase))
{
Console.WriteLine("INVALID ARGUMENT");
Console.ReadLine();
Environment.Exit(1);
}
if (args[0] == "interactive")
{
String option = String.Empty;
option = getOption();
if (option.Equals("0"))
{
exitApplication(0);
}
do
{
if (allowedOptions.Contains(option, StringComparer.OrdinalIgnoreCase))
{
string[] arguments = getArguments();
opContainer = calculateOperation(option, arguments);
if (opContainer.success)
{
Console.WriteLine("Result: " + opContainer.result);
}
else
{
Console.WriteLine(opContainer.errorMessage);
Console.WriteLine(opContainer.exception.Message);
}
}
else
{
Console.WriteLine("Invalid option");
}
Console.ReadLine();
option = getOption();
} while (!option.Equals("0"));
exitApplication(0);
}
else
{
//var readAllText = System.IO.File.ReadAllText(args[1]); // The second parameter should be the file of the input numbers
//var strings = readAllText.Split({ "\r\n", "\r", "\n" }.ToCharArray());
string[] strings = System.IO.File.ReadAllLines(args[1]);
//var firstArgument = strings[0];
//var secondArgoument = strings[1];
opContainer = calculateOperation(args[0], strings);
if (opContainer.success)
{
Console.WriteLine("Result: " + opContainer.result);
}
else
{
Console.WriteLine(opContainer.errorMessage);
Console.WriteLine(opContainer.exception.Message);
}
//Console.WriteLine("Result: " + (int.Parse(firstArgument) + int.Parse(secondArgoument)));
}
}
catch (IndexOutOfRangeException)
{
Console.WriteLine("ERROR : You must specify an argument");
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
#if DEBUG
Console.WriteLine(exc.StackTrace);
Console.WriteLine(exc.InnerException);
#endif
}
finally
{
Console.ReadLine();
}
}
