Teuchos_RefCountPtrBoostSharedPtrConversionsDecl.hpp

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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
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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
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00015 // This library is distributed in the hope that it will be useful, but
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00020 // You should have received a copy of the GNU Lesser General Public
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00028 
00029 #ifndef TEUCHOS_REFCOUNTPTR_SHAREDPTR_CONVERSIONS_DECL_H
00030 #define TEUCHOS_REFCOUNTPTR_SHAREDPTR_CONVERSIONS_DECL_H
00031 
00032 #include "Teuchos_RefCountPtrDecl.hpp"
00033 #include "boost/shared_ptr.hpp"
00034 
00035 namespace Teuchos {
00036 
00041 
00044 template<class T>
00045 class DeallocBoostSharedPtr
00046 {
00047 public:
00049   DeallocBoostSharedPtr( const boost::shared_ptr<T> &sptr ) : sptr_(sptr) {}
00051   typedef T ptr_t;
00053   void free( T* ptr ) const { sptr_.reset(); }
00055   const boost::shared_ptr<T>& ptr() const { return sptr_; }
00056 private:
00057   mutable boost::shared_ptr<T> sptr_;
00058   DeallocBoostSharedPtr(); // Not defined and not to be called!
00059 };
00060 
00064 template<class T>
00065 class RefCountPtrDeleter
00066 {
00067 public:
00069   RefCountPtrDeleter( const RefCountPtr<T> &rcp ) : rcp_(rcp) {}
00071   typedef void result_type;
00073   typedef T * argument_type;
00075   void operator()(T * x) const { rcp_ = null; }
00077   const RefCountPtr<T>& ptr() const { return rcp_; }
00078 private:
00079   mutable RefCountPtr<T> rcp_;
00080   RefCountPtrDeleter(); // Not defined and not to be called!
00081 };
00082 
00089 template<class T>
00090 RefCountPtr<T> rcp( const boost::shared_ptr<T> &sptr );
00091 
00099 template<class T>
00100 boost::shared_ptr<T> shared_pointer( const RefCountPtr<T> &rcp );
00101 
00103 
00104 } // namespace Teuchos
00105 
00106 #endif  // TEUCHOS_REFCOUNTPTR_SHAREDPTR_CONVERSIONS_DECL_H

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