126 lines
3.5 KiB
C++

/**
* MaNGOS is a full featured server for World of Warcraft, supporting
* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
*
* Copyright (C) 2005-2019 MaNGOS project <https://getmangos.eu>
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* World of Warcraft, and all World of Warcraft or Warcraft art, images,
* and lore are copyrighted by Blizzard Entertainment, Inc.
*/
#ifndef MANGOS_H_REFMANAGER
#define MANGOS_H_REFMANAGER
//=====================================================
#include "Utilities/LinkedList.h"
#include "Utilities/LinkedReference/Reference.h"
template <class TO, class FROM>
/**
* @brief
*
*/
class RefManager : public LinkedListHead
{
public:
/**
* @brief
*
*/
typedef LinkedListHead::Iterator<Reference<TO, FROM> > iterator;
/**
* @brief
*
*/
RefManager() {}
/**
* @brief
*
*/
virtual ~RefManager() { clearReferences(); }
/**
* @brief
*
* @return Reference<TO, FROM>
*/
Reference<TO, FROM>* getFirst() { return ((Reference<TO, FROM>*) LinkedListHead::getFirst()); }
/**
* @brief
*
* @return const Reference<TO, FROM>
*/
Reference<TO, FROM> const* getFirst() const { return ((Reference<TO, FROM> const*) LinkedListHead::getFirst()); }
/**
* @brief
*
* @return Reference<TO, FROM>
*/
Reference<TO, FROM>* getLast() { return ((Reference<TO, FROM>*) LinkedListHead::getLast()); }
/**
* @brief
*
* @return const Reference<TO, FROM>
*/
Reference<TO, FROM> const* getLast() const { return ((Reference<TO, FROM> const*) LinkedListHead::getLast()); }
/**
* @brief
*
* @return iterator
*/
iterator begin() { return iterator(getFirst()); }
/**
* @brief
*
* @return iterator
*/
iterator end() { return iterator(NULL); }
/**
* @brief
*
* @return iterator
*/
iterator rbegin() { return iterator(getLast()); }
/**
* @brief
*
* @return iterator
*/
iterator rend() { return iterator(NULL); }
/**
* @brief
*
*/
void clearReferences()
{
LinkedListElement* ref;
while ((ref = getFirst()) != NULL)
{
((Reference<TO, FROM>*) ref)->invalidate();
ref->delink(); // the delink might be already done by invalidate(), but doing it here again does not hurt and insures an empty list
}
}
};
//=====================================================
#endif