95 lines
2.4 KiB
C++
95 lines
2.4 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_PTR_SET_H
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#define NL_PTR_SET_H
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#include "nel/misc/types_nl.h"
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#include <set>
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namespace NL3D
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{
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// ***************************************************************************
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/**
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* This is a Tool class. A ptr set is simply a set of object Pointer, with simple insert/erase/clear.
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* The allocation is made at insertion by client, but deletion is automatically done by erase/clear.
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* You got public acces to the STL set, so be aware of what you do!!
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* \author Lionel Berenguier
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* \author Nevrax France
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* \date 2001
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*/
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template<class T> class CPtrSet
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{
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public:
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std::set<T*> Set;
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public:
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/// \name Object
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// @{
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CPtrSet() {}
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~CPtrSet() {clear();}
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// @}
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/// \name insertion/deletion.
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// @{
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/** insert a new element to the set. You should pass a conventionnal allocated object.
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* For simplicity, return newObject!!!
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*/
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T *insert(T *newObject)
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{
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Set.insert(newObject);
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return newObject;
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}
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/** erase an element from the set. nlerror(errorString) if not found!! NO OP if NULL.
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* For simplicity, return newObject!!!
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*/
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void erase(T *objectToRemove, const char *errorString= "Object do not exist in the set")
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{
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if(!objectToRemove)
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return;
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if(Set.erase(objectToRemove)!=1)
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nlerror(errorString);
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else
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delete objectToRemove;
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}
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/** Delete all element from the set, and clear the set
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*/
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void clear()
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{
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typename std::set<T*>::iterator it;
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for(it= Set.begin();it!=Set.end();it++)
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{
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delete *it;
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}
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Set.clear();
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}
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// @}
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};
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} // NL3D
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#endif // NL_PTR_SET_H
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/* End of ptr_set.h */
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