private void ReplaceNode(DivisionNode src, DivisionNode dest)
{
Debug.Assert(src.ParentList == this);
dest.SetParentList(this);
if (_first == src)
{
_first = dest;
}
else
{
DivisionNode n = _first;
while (n.Next != src)
{
n = n.Next;
Debug.Assert(n != null);
}
n.Next = dest;
}
}
//srcの位置を、listの中身で置き換える。ratio調整に注意
public void ReplaceNodeByList(DivisionNode src, DivisionList list)
{
Debug.Assert(src.ParentList == this);
int oldcount = this.NodeCount;
int addedcount = list.NodeCount;
double r = src.Ratio;
DivisionNode t = list.FirstNode;
DivisionNode last = null;
while (t != null)
{
t.Ratio *= r;
t.SetParentList(this);
last = t;
t = t.Next;
}
Debug.Assert(last.Next == null); //これを見つけた
ReplaceNode(src, list.FirstNode);
last.Next = src.Next;
Debug.Assert(oldcount + addedcount - 1 == this.NodeCount);
}
private void ReplaceNode(DivisionNode src, DivisionNode dest)
{
Debug.Assert(src.ParentList == this);
dest.SetParentList(this);
if (_first == src) {
_first = dest;
}
else {
DivisionNode n = _first;
while (n.Next != src) {
n = n.Next;
Debug.Assert(n != null);
}
n.Next = dest;
}
}