/// <summary>
/// Factory method to create Operator objects.
/// </summary>
/// <param name="szOperator"></param>
/// <returns></returns>
static public IOperator CreateOperator(string szOperator)
{
IOperator oprtr = null;
if (OperatorHelper.IsArithmeticOperator(szOperator))
{
oprtr = new ArithmeticOperator(szOperator);
return(oprtr);
}
if (OperatorHelper.IsComparisonOperator(szOperator))
{
oprtr = new ComparisonOperator(szOperator);
return(oprtr);
}
if (OperatorHelper.IsLogicalOperator(szOperator))
{
oprtr = new LogicalOperator(szOperator);
return(oprtr);
}
throw new RPN_Exception("Unhandled Operator : " + szOperator);
}
