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using System;
using System.Collections.Generic;
using Lextm.SharpSnmpLib.Mib.Elements.Entities;
using Lextm.SharpSnmpLib.Mib.Elements.Types;
namespace Lextm.SharpSnmpLib.Mib
{
[Flags]
public enum MibTreeNodeType
{
Unknown = 0,
Container = (1 << 0),
Scalar = (1 << 1),
Table = (1 << 2),
TableRow = (1 << 3),
TableCell = (1 << 4),
NotificationRelated = (1 << 5),
ConformanceRelated = (1 << 6)
}
public class MibTreeNode
{
private MibTreeNode _parent = null;
private List<MibTreeNode> _childNodes = new List<MibTreeNode>();
private IEntity _entity = null;
private MibTreeNodeType _nodeType = MibTreeNodeType.Unknown;
public MibTreeNode(MibTreeNode parent, IEntity entity)
{
_parent = parent;
_entity = entity;
}
public MibTreeNode Parent
{
get { return _parent; }
}
public IEntity Entity
{
get { return _entity; }
}
public MibTreeNodeType NodeType
{
get { return _nodeType; }
}
public List<MibTreeNode> ChildNodes
{
get { return _childNodes; }
}
public MibTreeNode AddChild(IEntity element)
{
MibTreeNode result = new MibTreeNode(this, element);
this.ChildNodes.Add(result);
return result;
}
public void UpdateNodeType()
{
_nodeType = MibTreeNodeType.Unknown;
if (_entity != null)
{
if ((_entity is OidValueAssignment) || (_entity is ObjectIdentity))
{
_nodeType |= MibTreeNodeType.Container;
return;
}
else if (_childNodes.Count > 0)
{
_nodeType |= MibTreeNodeType.Container;
}
if (_entity is ObjectType)
{
ObjectType ot = _entity as ObjectType;
if (ot.Syntax is SequenceOf)
{
_nodeType |= MibTreeNodeType.Table;
}
else if (ot.Syntax is Sequence)
{
_nodeType |= MibTreeNodeType.TableRow;
}
else if ((_parent != null) && ((_parent.NodeType & MibTreeNodeType.TableRow) != 0))
{
_nodeType |= MibTreeNodeType.TableCell;
_nodeType |= MibTreeNodeType.Scalar;
}
else
{
_nodeType |= MibTreeNodeType.Scalar;
}
}
else if ((_entity is ModuleCompliance) || (_entity is ObjectGroup) || (_entity is NotificationGroup))
{
_nodeType |= MibTreeNodeType.ConformanceRelated;
}
else if ((_entity is NotificationGroup) || (_entity is NotificationType))
{
_nodeType |= MibTreeNodeType.NotificationRelated;
}
}
}
}
}
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