public static Calculator GetCalculator(OperandPair operandPair)
{
var scalarCount = 0;
var stringCount = 0;
var specialCount = 0;
var boolCount = 0;
if (operandPair.Left is ScalarValue)
{
scalarCount++;
}
if (operandPair.Left is StringValue)
{
stringCount++;
}
if (operandPair.Left is ISuffixed)
{
specialCount++;
}
if (operandPair.Left is BooleanValue)
{
boolCount++;
}
if (operandPair.Right is ScalarValue)
{
scalarCount++;
}
if (operandPair.Right is StringValue)
{
stringCount++;
}
if (operandPair.Right is ISuffixed)
{
specialCount++;
}
if (operandPair.Right is BooleanValue)
{
boolCount++;
}
if (scalarCount == 2)
{
return(calculatorScalar ?? (calculatorScalar = new CalculatorScalar()));
}
if (stringCount > 0)
{
return(calculatorString ?? (calculatorString = new CalculatorString()));
}
if (boolCount > 0)
{
return(calculatorBool ?? (calculatorBool = new CalculatorBool()));
}
if (specialCount > 0)
{
return(calculatorStructure ?? (calculatorStructure = new CalculatorStructure()));
}
throw new NotImplementedException(string.Format("Can't operate types {0} and {1}", operandPair.Left.GetType(), operandPair.Right.GetType()));
}
public void Setup()
{
calc = new CalculatorScalar();
}
