private int RemoveFromListHead(ref UsagePageList list)
{
int pageIndex = list._head;
this.RemoveFromList(pageIndex, ref list);
return(pageIndex);
}
private void MoveToListTail(int pageIndex, ref UsagePageList list)
{
if (list._tail != pageIndex)
{
this.RemoveFromList(pageIndex, ref list);
this.AddToListTail(pageIndex, ref list);
}
}
private void MoveToListHead(int pageIndex, ref UsagePageList list)
{
if (list._head != pageIndex)
{
this.RemoveFromList(pageIndex, ref list);
this.AddToListHead(pageIndex, ref list);
}
}
private void AddToListTail(int pageIndex, ref UsagePageList list)
{
this._pages[pageIndex]._pageNext = -1;
this._pages[pageIndex]._pagePrev = list._tail;
if (list._tail != -1)
{
this._pages[list._tail]._pageNext = pageIndex;
}
else
{
list._head = pageIndex;
}
list._tail = pageIndex;
}
private void AddToListHead(int pageIndex, ref UsagePageList list)
{
this._pages[pageIndex]._pagePrev = -1;
this._pages[pageIndex]._pageNext = list._head;
if (list._head != -1)
{
this._pages[list._head]._pagePrev = pageIndex;
}
else
{
list._tail = pageIndex;
}
list._head = pageIndex;
}
private void RemoveFromList(int pageIndex, ref UsagePageList list)
{
if (this._pages[pageIndex]._pagePrev != -1)
{
this._pages[this._pages[pageIndex]._pagePrev]._pageNext = this._pages[pageIndex]._pageNext;
}
else
{
list._head = this._pages[pageIndex]._pageNext;
}
if (this._pages[pageIndex]._pageNext != -1)
{
this._pages[this._pages[pageIndex]._pageNext]._pagePrev = this._pages[pageIndex]._pagePrev;
}
else
{
list._tail = this._pages[pageIndex]._pagePrev;
}
this._pages[pageIndex]._pagePrev = -1;
this._pages[pageIndex]._pageNext = -1;
}
private int RemoveFromListHead(ref UsagePageList list)
{
int pageIndex = list._head;
this.RemoveFromList(pageIndex, ref list);
return pageIndex;
}
private void RemoveFromList(int pageIndex, ref UsagePageList list)
{
if (this._pages[pageIndex]._pagePrev != -1)
{
this._pages[this._pages[pageIndex]._pagePrev]._pageNext = this._pages[pageIndex]._pageNext;
}
else
{
list._head = this._pages[pageIndex]._pageNext;
}
if (this._pages[pageIndex]._pageNext != -1)
{
this._pages[this._pages[pageIndex]._pageNext]._pagePrev = this._pages[pageIndex]._pagePrev;
}
else
{
list._tail = this._pages[pageIndex]._pagePrev;
}
this._pages[pageIndex]._pagePrev = -1;
this._pages[pageIndex]._pageNext = -1;
}
private void MoveToListTail(int pageIndex, ref UsagePageList list)
{
if (list._tail != pageIndex)
{
this.RemoveFromList(pageIndex, ref list);
this.AddToListTail(pageIndex, ref list);
}
}
private void MoveToListHead(int pageIndex, ref UsagePageList list)
{
if (list._head != pageIndex)
{
this.RemoveFromList(pageIndex, ref list);
this.AddToListHead(pageIndex, ref list);
}
}
private void AddToListTail(int pageIndex, ref UsagePageList list)
{
this._pages[pageIndex]._pageNext = -1;
this._pages[pageIndex]._pagePrev = list._tail;
if (list._tail != -1)
{
this._pages[list._tail]._pageNext = pageIndex;
}
else
{
list._head = pageIndex;
}
list._tail = pageIndex;
}
private void AddToListHead(int pageIndex, ref UsagePageList list)
{
this._pages[pageIndex]._pagePrev = -1;
this._pages[pageIndex]._pageNext = list._head;
if (list._head != -1)
{
this._pages[list._head]._pagePrev = pageIndex;
}
else
{
list._tail = pageIndex;
}
list._head = pageIndex;
}