CrystalSpace

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csutil/ptrwrap.h

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00001 /*
00002     Copyright (C) 2006 by Frank Richter
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_CSUTIL_PTRWRAP_H__
00020 #define __CS_CSUTIL_PTRWRAP_H__
00021 
00031 template<typename T>
00032 class csPtrWrap
00033 {
00035   T* ptr;
00036 public:
00038 
00039   csPtrWrap () : ptr (0) {}
00040   csPtrWrap (const csPtrWrap& other) : ptr (other.ptr) {}
00041   csPtrWrap (T* ptr) : ptr (ptr) {}
00043     
00045 
00046   operator const T* () const { return ptr; }
00047   operator T*& () { return ptr; }
00049   
00051 
00052   csPtrWrap& operator = (T* ptr) { this->ptr = ptr; return *this; }
00053   csPtrWrap& operator = (const T* ptr) { this->ptr = ptr; return *this; }
00055 };
00056 
00057 #endif // __CS_CSUTIL_PTRWRAP_H__

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