// move the item under oldFinger to newFinger (assumed to be left of oldFinger)
protected void ReInsert(ref RBFinger <T> oldFinger, RBFinger <T> newFinger)
{
RBNode <T> oldNode = oldFinger.Node, newNode = newFinger.Node;
int oldOffset = oldFinger.Offset, newOffset = newFinger.Offset;
T x = oldNode.GetItemAt(oldFinger.Offset);
if (oldNode == newNode)
{ // move within a single node
int s = oldOffset - newOffset;
if (s != 0)
{
Copy(oldNode, newOffset, oldNode, newOffset + 1, s);
oldNode.SetItemAt(newOffset, x);
}
}
else
{ // move from one node to an earlier node
if (newNode.Size < MaxSize)
{ // easy case - new node has room
newNode.InsertAt(newOffset, x);
oldNode.RemoveAt(ref oldFinger);
}
else
{ // hard case - new node is full
RBNode <T> successor = newNode.GetSuccessor();
if (successor == oldNode)
{ // easy subcase - oldNode is next to newNode
T y = newNode.GetItemAt(MaxSize - 1);
Copy(newNode, newOffset, newNode, newOffset + 1, MaxSize - newOffset - 1);
newNode.SetItemAt(newOffset, x);
Copy(oldNode, 0, oldNode, 1, oldOffset);
oldNode.SetItemAt(0, y);
}
else
{
if (successor.Size < MaxSize)
{ // medium subcase - need to move items into successor
newNode.InsertAt(newOffset, x, successor);
}
else
{ // hard subcase - need a new node after newNode
RBNode <T> succsucc = successor;
successor = InsertNodeAfter(newNode);
newNode.InsertAt(newOffset, x, successor, succsucc);
}
oldNode.RemoveAt(ref oldFinger);
}
}
}
}
// Token: 0x06007691 RID: 30353 RVA: 0x0021DF78 File Offset: 0x0021C178
protected void ReInsert(ref RBFinger <T> oldFinger, RBFinger <T> newFinger)
{
RBNode <T> node = oldFinger.Node;
RBNode <T> node2 = newFinger.Node;
int offset = oldFinger.Offset;
int offset2 = newFinger.Offset;
T itemAt = node.GetItemAt(oldFinger.Offset);
if (node == node2)
{
int num = offset - offset2;
if (num != 0)
{
this.Copy(node, offset2, node, offset2 + 1, num);
node.SetItemAt(offset2, itemAt);
return;
}
}
else
{
if (node2.Size < 64)
{
node2.InsertAt(offset2, itemAt, null, null);
node.RemoveAt(ref oldFinger);
return;
}
RBNode <T> rbnode = node2.GetSuccessor();
if (rbnode == node)
{
T itemAt2 = node2.GetItemAt(63);
this.Copy(node2, offset2, node2, offset2 + 1, 64 - offset2 - 1);
node2.SetItemAt(offset2, itemAt);
this.Copy(node, 0, node, 1, offset);
node.SetItemAt(0, itemAt2);
return;
}
if (rbnode.Size < 64)
{
node2.InsertAt(offset2, itemAt, rbnode, null);
}
else
{
RBNode <T> succsucc = rbnode;
rbnode = this.InsertNodeAfter(node2);
node2.InsertAt(offset2, itemAt, rbnode, succsucc);
}
node.RemoveAt(ref oldFinger);
}
}
