private void Expand()
{
if (this._freePageList._head == -1)
{
int length;
if (this._pages == null)
{
length = 0;
}
else
{
length = this._pages.Length;
}
int num2 = length * 2;
ExpiresPage[] pageArray = new ExpiresPage[Math.Min(Math.Max(length + 10, num2), length + 340)];
for (int j = 0; j < length; j++)
{
pageArray[j] = this._pages[j];
}
for (int k = length; k < pageArray.Length; k++)
{
pageArray[k]._pagePrev = k - 1;
pageArray[k]._pageNext = k + 1;
}
pageArray[length]._pagePrev = -1;
pageArray[pageArray.Length - 1]._pageNext = -1;
this._freePageList._head = length;
this._freePageList._tail = pageArray.Length - 1;
this._pages = pageArray;
}
int pageIndex = this.RemoveFromListHead(ref this._freePageList);
this.AddToListHead(pageIndex, ref this._freeEntryList);
ExpiresEntry[] entryArray = new ExpiresEntry[0x80];
entryArray[0]._cFree = 0x7f;
for (int i = 0; i < (entryArray.Length - 1); i++)
{
entryArray[i]._next = new ExpiresEntryRef(pageIndex, i + 1);
}
entryArray[entryArray.Length - 1]._next = ExpiresEntryRef.INVALID;
this._pages[pageIndex]._entries = entryArray;
this._cPagesInUse++;
this.UpdateMinEntries();
}
private void Expand()
{
Debug.Assert(_cPagesInUse * NUM_ENTRIES == _cEntriesInUse, "_cPagesInUse * NUM_ENTRIES == _cEntriesInUse");
Debug.Assert(_freeEntryList._head == -1, "_freeEntryList._head == -1");
Debug.Assert(_freeEntryList._tail == -1, "_freeEntryList._tail == -1");
if (_freePageList._head == -1)
{
int oldLength;
if (_pages == null)
{
oldLength = 0;
}
else
{
oldLength = _pages.Length;
}
Debug.Assert(_cPagesInUse == oldLength, "_cPagesInUse == oldLength");
Debug.Assert(_cEntriesInUse == oldLength * NUM_ENTRIES, "_cEntriesInUse == oldLength * ExpiresEntryRef.NUM_ENTRIES");
int newLength = oldLength * 2;
newLength = Math.Max(oldLength + MIN_PAGES_INCREMENT, newLength);
newLength = Math.Min(newLength, oldLength + MAX_PAGES_INCREMENT);
Debug.Assert(newLength > oldLength, "newLength > oldLength");
ExpiresPage[] newPages = new ExpiresPage[newLength];
for (int i = 0; i < oldLength; i++)
{
newPages[i] = _pages[i];
}
for (int i = oldLength; i < newPages.Length; i++)
{
newPages[i]._pagePrev = i - 1;
newPages[i]._pageNext = i + 1;
}
newPages[oldLength]._pagePrev = -1;
newPages[newPages.Length - 1]._pageNext = -1;
_freePageList._head = oldLength;
_freePageList._tail = newPages.Length - 1;
_pages = newPages;
}
int pageIndex = RemoveFromListHead(ref _freePageList);
AddToListHead(pageIndex, ref _freeEntryList);
ExpiresEntry[] entries = new ExpiresEntry[LENGTH_ENTRIES];
((entries)[0]._cFree) = NUM_ENTRIES;
for (int i = 0; i < entries.Length - 1; i++)
{
entries[i]._next = new ExpiresEntryRef(pageIndex, i + 1);
}
entries[entries.Length - 1]._next = ExpiresEntryRef.INVALID;
(_pages[(pageIndex)]._entries) = entries;
_cPagesInUse++;
UpdateMinEntries();
}