public void Insert(DListIterator p_iterator, string p_data)
{
if (p_iterator.m_list != this)
{
return;
}
if (p_iterator.m_node != null)
{
p_iterator.m_node.InsertAfter(p_data);
if (p_iterator.m_node == m_tail)
{
m_tail = p_iterator.m_node.m_next;
}
m_count++;
}
else
{
Append(p_data);
}
}
public void Remove(DListIterator p_iterator, DListNode node)
{
if (p_iterator.m_list != this)
{
return;
}
if (p_iterator.m_node == null)
{
return;
}
if (p_iterator.m_node == m_head)
{
p_iterator.Forth();
RemoveHead();
}
else
{
while (node.m_next != p_iterator.m_node)
{
node = node.m_next;
}
p_iterator.Forth();
if (node.m_next == m_tail)
{
m_tail = node;
}
node.m_next = null;
node.m_next = p_iterator.m_node;
}
m_count--;
}