private void SetHeadAndTail(T data)
{
var item = new SLinkedListItem <T>(data);
Head = item;
Tail = item;
Count = 1;
}
public void AppendHead(T data)
{
var item = new SLinkedListItem <T>(data)
{
Next = Head
};
Head = item;
Count++;
}
public bool MoveNext()
{
if (_isFirstTimeMoveNext)
{
_isFirstTimeMoveNext = false;
}
else
{
_current = _current.Next;
}
return(this._current != null);
}
public void Add(T data)
{
if (Tail != null)
{
var item = new SLinkedListItem <T>(data);
Tail.Next = item;
Tail = item;
Count++;
}
else
{
SetHeadAndTail(data);
}
}
public void InsertAfter(T target, T data)
{
if (Head != null)
{
var current = Head;
while (current != null)
{
if (current.Data.Equals(target))
{
var item = new SLinkedListItem <T>(data);
item.Next = current.Next;
current.Next = item;
Count++;
return;
}
else
{
current = current.Next;
}
}
}
}
public void Dispose()
{
_current = null;
_isFirstTimeMoveNext = true;
_doublyLinkedList = null;
}
public void Reset()
{
_isFirstTimeMoveNext = true;
_current = _doublyLinkedList.Head;
}
public LinkedListEnumerator(SLinkedList <T> sLinkedList)
{
this._doublyLinkedList = sLinkedList;
this._current = sLinkedList.Head;
this._nullCurrent = new SLinkedListItem <T>((T)Activator.CreateInstance(typeof(T)));
}