/*
 * Copyright 2001 Adrian Thurston <thurston@colm.net>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef _AAPL_DLISTMEL_H
#define _AAPL_DLISTMEL_H

/**
 * \addtogroup dlist
 * @{
 */

/**
 * \class DListMel
 * \brief Doubly linked list for elements that may appear in multiple lists.
 *
 * This class is similar to DList, except that the user defined list element
 * can inherit from multple DListEl classes and consequently be an element in
 * multiple lists. In other words, DListMel allows a single instance of a data
 * structure to be an element in multiple lists without the lists interfereing
 * with one another.
 *
 * For each list that an element class is to appear in, the element must have
 * unique next and previous pointers that can be unambiguously refered to with
 * some base class name. This name is given to DListMel as a template argument
 * so it can use the correct next and previous pointers in its list
 * operations.
 *
 * DListMel does not assume ownership of elements in the list. If the elements
 * are known to reside on the heap and are not contained in any other list or
 * data structure, the provided empty() routine can be used to delete all
 * elements, however the destructor will not call this routine, it will simply
 * abandon all the elements. It is up to the programmer to explicitly
 * de-allocate items when it is safe to do so.
 *
 * \include ex_dlistmel.cpp
 */

/*@}*/

#define BASE_EL(name) BaseEl::name
#define DLMEL_TEMPDEF class Element, class BaseEl
#define DLMEL_TEMPUSE Element, BaseEl
#define DList DListMel

#include "dlcommon.h"

#undef BASE_EL
#undef DLMEL_TEMPDEF
#undef DLMEL_TEMPUSE
#undef DList

#endif /* _AAPL_DLISTMEL_H */