private static void VisitBinaryMemberAccess(AttributeBuilder builder, BinaryExpression binary, FilterOperator filterOperator)
{
Expression valueExpression = null;
var memberExpression = GetMemberAccessExpression(builder, binary.Left);
if (memberExpression == null)
{
valueExpression = binary.Left;
memberExpression = GetMemberAccessExpression(builder, binary.Right);
if (memberExpression == null)
{
// no member was found..so assume one of the values is an attribute name.
var attributeName = Expression.Lambda(binary.Left).Compile().DynamicInvoke();
var attributeValue = Expression.Lambda(binary.Right).Compile().DynamicInvoke();
builder.AddAttribute(Convert.ToString(attributeName), filterOperator, EscapeCharacters(attributeValue));
return;
}
}
else
{
valueExpression = binary.Right;
}
var value = Expression.Lambda(valueExpression).Compile().DynamicInvoke();
builder.AddAttribute(GetName(memberExpression.Member), filterOperator, EscapeCharacters(value));
}
private static void VisitMethodCall(AttributeBuilder builder, MethodCallExpression method, Expression valueExpression, FilterOperator filterOperator)
{
var value = Expression.Lambda(valueExpression).Compile().DynamicInvoke();
var memberExpression = GetMemberAccessExpression(builder, method.Object);
builder.AddAttribute(GetName(memberExpression.Member), filterOperator, value);
}