//移除一个节点
public void RemoveNode(MDoubleLinkedListNode <T> mDoubleLinkedListNode)
{
if (mDoubleLinkedListNode == null)
{
return;
}
if (mDoubleLinkedListNode == m_head)
{
m_head = mDoubleLinkedListNode.m_next;
}
if (mDoubleLinkedListNode == m_tail)
{
m_tail = mDoubleLinkedListNode.m_prev;
}
if (mDoubleLinkedListNode.m_prev != null)
{
mDoubleLinkedListNode.m_prev.m_next = mDoubleLinkedListNode.m_next;
}
if (mDoubleLinkedListNode.m_next != null)
{
mDoubleLinkedListNode.m_next.m_prev = mDoubleLinkedListNode.m_prev;
}
mDoubleLinkedListNode.m_next = mDoubleLinkedListNode.m_prev = null;
mDoubleLinkedListNode.m_t = null;
mDoubleLinkedListNodePool.Recycle(mDoubleLinkedListNode);
m_count--;
}
//添加一个节点到尾部
public MDoubleLinkedListNode <T> AddToTail(T t)
{
MDoubleLinkedListNode <T> mDoubleLinkedListNode = mDoubleLinkedListNodePool.Spawn(true);
mDoubleLinkedListNode.m_prev = null;
mDoubleLinkedListNode.m_next = null;
mDoubleLinkedListNode.m_t = t;
return(AddToTail(mDoubleLinkedListNode));
}
//是否存在某一个元素
public bool IsContain(T t)
{
MDoubleLinkedListNode <T> mDoubleLinkedListNode = null;
if (!m_findMap.TryGetValue(t, out mDoubleLinkedListNode) || mDoubleLinkedListNode == null)
{
return(false);
}
return(mDoubleLinkedListNode != null);
}
//删除某一个节点
public void Remove(T t)
{
MDoubleLinkedListNode <T> mDoubleLinkedListNode = null;
if (!m_findMap.TryGetValue(t, out mDoubleLinkedListNode) || mDoubleLinkedListNode != null)
{
return;
}
mDoubleLinkedList.RemoveNode(mDoubleLinkedListNode);
}
//移动某个元素到头部
public bool MoveToHead(T t)
{
MDoubleLinkedListNode <T> mDoubleLinkedListNode = null;
if (!m_findMap.TryGetValue(t, out mDoubleLinkedListNode) || mDoubleLinkedListNode == null)
{
return(mDoubleLinkedListNode != null);
}
mDoubleLinkedList.MoveNodeToHead(mDoubleLinkedListNode);
return(true);
}
//插入到表头
public void InsertToHead(T t)
{
MDoubleLinkedListNode <T> mDoubleLinkedListNode = null;
if (m_findMap.TryGetValue(t, out mDoubleLinkedListNode) && mDoubleLinkedListNode != null)
{
mDoubleLinkedList.AddToHead(mDoubleLinkedListNode);
return;
}
mDoubleLinkedList.AddToHead(mDoubleLinkedListNode);
if (!m_findMap.ContainsKey(t))
{
m_findMap.Add(t, mDoubleLinkedList.m_head);
}
}
//把某一个Node移动到头部
public void MoveNodeToHead(MDoubleLinkedListNode <T> mDoubleLinkedListNode)
{
if (mDoubleLinkedListNode == null || mDoubleLinkedListNode == m_head)
{
return;
}
if (mDoubleLinkedListNode.m_prev == null &&
mDoubleLinkedListNode.m_next == null)
{
return;
}
if (mDoubleLinkedListNode == m_tail)
{
m_tail = mDoubleLinkedListNode.m_prev;
}
if (mDoubleLinkedListNode.m_prev != null)
{
mDoubleLinkedListNode.m_prev.m_next = mDoubleLinkedListNode.m_next;
}
if (mDoubleLinkedListNode.m_next != null)
{
mDoubleLinkedListNode.m_next.m_prev = mDoubleLinkedListNode.m_prev;
}
mDoubleLinkedListNode.m_prev = null;
mDoubleLinkedListNode.m_next = m_head;
m_head.m_prev = mDoubleLinkedListNode;
m_head = mDoubleLinkedListNode;
if (m_tail == null)
{
m_tail = m_head;
}
}
public MDoubleLinkedListNode <T> AddToTail(MDoubleLinkedListNode <T> mDoubleLinkedListNode)
{
if (mDoubleLinkedListNode == null)
{
return(null);
}
//添加到尾 前一个肯定为空
mDoubleLinkedListNode.m_next = null;
if (m_head == null)
{
m_tail = m_head = mDoubleLinkedListNode;
}
else
{
mDoubleLinkedListNode.m_prev = m_tail;
m_head.m_next = mDoubleLinkedListNode;
m_tail = mDoubleLinkedListNode;
}
m_count++;
return(m_tail);
}
