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44 lines
1.8 KiB
C++
44 lines
1.8 KiB
C++
/*
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* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-GPL2
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* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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*/
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#ifndef _REFMANAGER_H
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#define _REFMANAGER_H
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//=====================================================
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#include "Dynamic/LinkedList.h"
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#include "Dynamic/LinkedReference/Reference.h"
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template <class TO, class FROM> class RefManager : public LinkedListHead
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{
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public:
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typedef LinkedListHead::Iterator< Reference<TO, FROM>> iterator;
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RefManager() = default;
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virtual ~RefManager() { clearReferences(); }
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Reference<TO, FROM>* getFirst() { return ((Reference<TO, FROM>*) LinkedListHead::getFirst()); }
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[[nodiscard]] Reference<TO, FROM> const* getFirst() const { return ((Reference<TO, FROM> const*) LinkedListHead::getFirst()); }
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Reference<TO, FROM>* getLast() { return ((Reference<TO, FROM>*) LinkedListHead::getLast()); }
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[[nodiscard]] Reference<TO, FROM> const* getLast() const { return ((Reference<TO, FROM> const*) LinkedListHead::getLast()); }
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iterator begin() { return iterator(getFirst()); }
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iterator end() { return iterator(nullptr); }
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iterator rbegin() { return iterator(getLast()); }
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iterator rend() { return iterator(nullptr); }
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void clearReferences()
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{
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LinkedListElement* ref;
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while ((ref = getFirst()) != nullptr)
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{
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((Reference<TO, FROM>*) ref)->invalidate();
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ref->delink(); // the delink might be already done by invalidate(), but doing it here again does not hurt and insures an empty list
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}
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}
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};
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//=====================================================
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#endif
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