protected void EncapsulateNoValue(LogicalExpression expression)
{
if (expression is ValueExpression)
{
expression.Accept(this);
}
else
{
Result.Append("(");
expression.Accept(this);
// trim spaces before adding a closing paren
while (Result[Result.Length - 1] == ' ')
{
Result.Remove(Result.Length - 1, 1);
}
Result.Append(") ");
}
}
public override void Visit(LogicalExpression expression)
{
throw new Exception("The method or operation is not implemented.");
}
public BinaryExpression GreaterOrEqualThan(LogicalExpression operand)
{
return(new BinaryExpression(BinaryExpressionType.GreaterOrEqual, this, operand));
}
public BinaryExpression DividedBy(LogicalExpression operand)
{
return(new BinaryExpression(BinaryExpressionType.Div, this, operand));
}
public BinaryExpression EqualsTo(LogicalExpression operand)
{
return(new BinaryExpression(BinaryExpressionType.Equal, this, operand));
}
public BinaryExpression RightShift(LogicalExpression operand)
{
return(new BinaryExpression(BinaryExpressionType.RightShift, this, operand));
}
public BinaryExpression And(LogicalExpression operand)
{
return(new BinaryExpression(BinaryExpressionType.And, this, operand));
}
public BinaryExpression Mult(LogicalExpression operand)
{
return(new BinaryExpression(BinaryExpressionType.Times, this, operand));
}
public BinaryExpression BitwiseXOr(LogicalExpression operand)
{
return(new BinaryExpression(BinaryExpressionType.BitwiseXOr, this, operand));
}
public BinaryExpression Plus(LogicalExpression operand)
{
return(new BinaryExpression(BinaryExpressionType.Plus, this, operand));
}
public BinaryExpression NotEqual(LogicalExpression operand)
{
return(new BinaryExpression(BinaryExpressionType.NotEqual, this, operand));
}
public BinaryExpression Modulo(LogicalExpression operand)
{
return(new BinaryExpression(BinaryExpressionType.Modulo, this, operand));
}
public BinaryExpression LesserThan(LogicalExpression operand)
{
return(new BinaryExpression(BinaryExpressionType.Lesser, this, operand));
}
private object Evaluate(LogicalExpression expression)
{
expression.Accept(this);
return(Result);
}