watchlst.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: watchlst.h,v 1.3.36.3 2004/07/09 01:48:01 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _WATCHLIST_H_
- #define _WATCHLIST_H_
- class WListElem
- {
- public:
- WListElem();
- ~WListElem();
- WListElem* prev;
- WListElem* next;
- void* data;
- };
- class WatchList
- {
- public:
- WatchList();
- ~WatchList();
-
- void insert(WListElem*);
- void removeElem(WListElem*);
- int empty();
- WListElem* head;
- };
- inline
- WListElem::~WListElem()
- {
- }
- inline int
- WatchList::empty()
- {
- return (head->prev == head->next && head->next == head);
- }
- class WatchList_iterator
- {
- public:
- WatchList_iterator(WatchList*);
- WListElem* operator*();
- WListElem* operator++();
- private:
- WListElem* _h;
- WListElem* _e;
- WListElem* _n;
- };
- inline
- WatchList_iterator::WatchList_iterator(WatchList* l)
- {
- _h = l->head;
- _e = l->head->next;
- _n = l->head->next->next;
- }
- inline WListElem*
- WatchList_iterator::operator*()
- {
- return (_e != _h) ? _e : 0;
- }
- inline WListElem*
- WatchList_iterator::operator++()
- {
- _e = _n;
- _n = _n->next;
- return _e;
- }
- #endif /* _WATCHLIST_H_ */