private void IterateNodes(Func <DoubleLinkedListNode, bool?> doWork)
{
ModuleProc PROC = new ModuleProc(this.DYN_MODULE_NAME, "IterateNodes");
try
{
DoubleLinkedListNode node = _head;
if (node != null)
{
do
{
bool?result = doWork(node);
if (result == null)
{
DoubleLinkedListNode oldNode = node;
node = node.Next;
oldNode.Dispose();
_count--;
}
else
{
if (result.Value)
{
break;
}
node = node.Next;
}
} while (node != _head);
}
}
catch (Exception ex)
{
Log.Exception(PROC, ex);
}
}
private bool RemoveNode(DoubleLinkedListNode node, out T value)
{
value = default(T);
ModuleProc PROC = new ModuleProc(this.DYN_MODULE_NAME, "RemoveNode");
if (node == null)
{
return(false);
}
try
{
value = node.Value;
if (node.Next == node)
{
_head = null;
}
else
{
node.Next.Prev = node.Prev;
node.Prev.Next = node.Next;
if (node == _head)
{
_head = node.Next;
}
}
}
catch (Exception ex)
{
Log.Exception(PROC, ex);
}
finally
{
node.Dispose();
_count--;
}
return(true);
}
