public void InsertBefore(ILNodeValue<T> base, ILNodeValue<T> newValue) {
ILNode<T> newNode = newValue.GetNode(identifier);
ILNode<T> baseNode = base.GetNode(identifier);
newNode.Delete();
baseNode.InsertBefore(newNode);
if (baseNode == head) head = newNode;
}
public void InsertAfter(ILNodeValue<T> base, ILNodeValue<T> newValue) {
ILNode<T> newNode = newValue.GetNode(identifier);
ILNode<T> baseNode = base.GetNode(identifier);
newNode.Delete();
baseNode.InsertAfter(newNode);
if (baseNode == tail) tail = newNode;
}
public void Append(ILNodeValue<T> value) {
ILNode<T> node = value.GetNode(identifier);
if (tail == null) {
head = tail = node;
return;
}
tail.InsertAfter(node);
tail = node;
}
public void Delete(ILNodeValue<T> value) {
ILNode<T> node = value.GetNode(identifier);
ILNode<T> next = node.GetNext();
ILNode<T> prev = node.GetPrev();
node.Delete();
if (node == head) {
head = next;
}
if (node == tail) {
tail = prev;
}
}