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/*
* Copyright (C) 2008-2012, OctaneSnail <os@v12pwr.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIST_H
#define LIST_H
template <class T> class CRFSList;
template <class T> class CRFSNode
{
friend class CRFSList<T>;
public:
CRFSNode (void) : next (NULL), prev (NULL) { }
void Unlink (void)
{
next->prev = prev;
prev->next = next;
}
private:
CRFSNode (CRFSNode *next, CRFSNode *prev) : next (next), prev (prev) { }
CRFSNode *next;
CRFSNode *prev;
};
template <class T> class CRFSList
{
public:
CRFSList (bool auto_clear = false) : anchor (&anchor, &anchor), clear (auto_clear) { }
~CRFSList () { if (clear) Clear (); }
bool IsEmpty (void) { return anchor.next == &anchor; }
T *First (void) { return Next (&anchor); }
T *Last (void) { return Prev (&anchor); }
void InsertFirst (CRFSNode<T> *n);
void InsertLast (CRFSNode<T> *n);
T *UnlinkFirst (void);
T *UnlinkLast (void);
T *Next (CRFSNode<T> *n);
T *Prev (CRFSNode<T> *n);
void Clear (void);
private:
CRFSNode<T> anchor;
bool clear;
};
#include "List.cpp"
#endif // LIST_H
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