protected override void VisitPresent(LdapPresentFilter filter)
{
if (filter.Attribute.Options.Count > 0)
{
_inner.Push(Expression.Constant(false));
}
var attribute = filter.Attribute.Oid.ToLowerInvariant();
switch (attribute)
{
case "objectclass":
case "2.5.4.0":
_inner.Push(Expression.Constant(true));
break;
default:
var property = GetProperty(attribute);
if (property == null)
{
_inner.Push(Expression.Constant(false));
}
else
{
_inner.Push(Expression.Not(Expression.Call(null, IsNullOrEmptyFunction, property)));
}
break;
}
}
protected virtual void VisitPresent(LdapPresentFilter filter)
{
}
