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00001 
00007 /* Copyright, 2001 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #ifndef NL_PTR_SET_H
00027 #define NL_PTR_SET_H
00028 
00029 #include "nel/misc/types_nl.h"
00030 #include <set>
00031 
00032 
00033 namespace NL3D
00034 {
00035 
00036 
00037 // ***************************************************************************
00046 template<class T>       class CPtrSet
00047 {
00048 public:
00049         std::set<T*>    Set;
00050 
00051 public:
00052 
00054         // @{
00055         CPtrSet() {}
00056         ~CPtrSet() {clear();}
00057         // @}
00058 
00060         // @{
00064         T                               *insert(T *newObject)
00065         {
00066                 Set.insert(newObject);
00067                 return newObject;
00068         }
00072         void                    erase(T *objectToRemove, const char *errorString= "Object do not exist in the set")
00073         {
00074                 if(!objectToRemove)
00075                         return;
00076                 if(Set.erase(objectToRemove)!=1)
00077                         nlerror(errorString);
00078                 else
00079                         delete objectToRemove;
00080         }
00083         void                    clear()
00084         {
00085                 typename std::set<T*>::iterator it;
00086                 for(it= Set.begin();it!=Set.end();it++)
00087                 {
00088                         delete *it;
00089                 }
00090 
00091                 Set.clear();
00092         }
00093 
00094         // @}
00095 
00096 };
00097 
00098 
00099 } // NL3D
00100 
00101 
00102 #endif // NL_PTR_SET_H
00103 
00104 /* End of ptr_set.h */