/// <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); }
/// <summary> /// Factory method to create Operator objects. /// </summary> /// <param name="szOperator"></param> /// <returns></returns> public static 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 ); }