Teuchos - Trilinos Tools Package Version of the Day
Teuchos_getRawPtr.hpp
00001 // @HEADER
00002 // ***********************************************************************
00003 //
00004 //                    Teuchos: Common Tools Package
00005 //                 Copyright (2004) Sandia Corporation
00006 //
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 //
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //
00015 // This library 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 // Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov)
00025 //
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef TEUCHOS_GETRAWPTR_HPP
00030 #define TEUCHOS_GETRAWPTR_HPP
00031 
00032 #include "Teuchos_ArrayRCP.hpp"
00033 
00034 namespace Teuchos { 
00035 
00036 template<class Container> 
00037 class RawPointerConversionTraits { 
00038   // Empty : will fail if specialization doesn't exist
00039 }; 
00040 
00041 
00042 template<class Container> 
00043 typename RawPointerConversionTraits<Container>::Ptr_t 
00044 getRawPtr( const Container& c ) 
00045 { 
00046   return RawPointerConversionTraits<Container>::getRawPtr(c); 
00047 } 
00048 
00049 
00050 // partial specialization for C pointer
00051 template<class RawType> 
00052 class RawPointerConversionTraits<RawType*> 
00053 { 
00054 public: 
00055   typedef RawType* Ptr_t; 
00056   static Ptr_t getRawPtr( RawType* p ) { return p; } 
00057 }; 
00058 
00059 // partial specialization for ArrayRCP
00060 template<class T> 
00061 class RawPointerConversionTraits<ArrayRCP<T> > 
00062 { 
00063 public: 
00064   typedef typename ArrayRCP<T>::pointer Ptr_t; 
00065   static Ptr_t getRawPtr( const ArrayRCP<T>& arcp ) { return arcp.getRawPtr(); } 
00066 }; 
00067 
00068 // ToDo: Add specializations as needed!
00069 
00070 } // namespace Teuchos 
00071 
00072 #endif // TEUCHOS_GETRAWPTR_HPP
00073 
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