public int RunOperation(OperationType opType)
{
string operationStr = "";
int result = 0;
string delimiterScrubbedOpParams = ProcessDelimiters(InputParameters.OperationValues, InputParameters.CustomDelimiter);
List <int> opValues = new List <int>();
switch (opType)
{
case OperationType.Addition:
operationStr = "+";
opValues = ProcessOperationParameters(operationStr, delimiterScrubbedOpParams, InputParameters);
result = Add(opValues);
break;
case OperationType.Subtraction:
operationStr = "-";
opValues = ProcessOperationParameters(operationStr, delimiterScrubbedOpParams, InputParameters);
result = Subtract(opValues);
break;
case OperationType.Multiplication:
operationStr = "*";
opValues = ProcessOperationParameters(operationStr, delimiterScrubbedOpParams, InputParameters);
result = Multiplication(opValues);
break;
case OperationType.Division:
operationStr = "/";
opValues = ProcessOperationParameters(operationStr, delimiterScrubbedOpParams, InputParameters);
result = Division(opValues);
break;
}
CalcLog.Append($" = {result}");
Console.WriteLine(GetLog());
ClearLog();
return(result);
}
private List <int> ProcessOperationParameters(string logOpStr, string scrubbedOpParams, InputParameters inputParams)
{
List <int> opValueList = new List <int>();
string[] rawValues = scrubbedOpParams.Split(',');
int upperBound = inputParams.UpperBound.GetValueOrDefault(0);
if (rawValues == null || rawValues.Length < 2)
{
CalcLog.Append($"Invalid parameter for operation. Parameter: {scrubbedOpParams}");
return(null);
}
int cnt = 0;
bool foundNegNum = false;
StringBuilder sbNegNum = new StringBuilder();
foreach (string val in rawValues)
{
if (cnt > 0)
{
CalcLog.Append(logOpStr);
}
if (Int32.TryParse(val, out int adInt))
{
// check for negative number
if (adInt < 0)
{
if (inputParams.AllowNegativeNumbers)
{
opValueList.Add(adInt);
CalcLog.Append($"{adInt}");
}
else
{
// save the negative number for printing in the exception
if (sbNegNum.Length > 0)
{
sbNegNum.Append(",");
}
sbNegNum.Append(adInt);
foundNegNum = true;
}
}
// set upper bound if one was chosen
else if (upperBound > 1)
{
if (adInt < upperBound)
{
opValueList.Add(adInt);
CalcLog.Append($"{adInt}");
}
else
{
CalcLog.Append("0");
}
}
else
{
opValueList.Add(adInt);
CalcLog.Append($"{adInt}");
}
}
else
{
opValueList.Add(0);
CalcLog.Append("0");
}
cnt++;
}
if (foundNegNum)
{
CalcLog.Append("Negative values found: " + sbNegNum);
throw new ArgumentOutOfRangeException("Negative values are not allowed! Set the proper parameter to allow negatives values.");
}
return(opValueList);
}