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Teuchos_RCPBoostSharedPtrConversionsDecl.hpp
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00041 
00042 #ifndef TEUCHOS_RCP_SHAREDPTR_CONVERSIONS_DECL_HPP
00043 #define TEUCHOS_RCP_SHAREDPTR_CONVERSIONS_DECL_HPP
00044 
00045 #include "Teuchos_RCPDecl.hpp"
00046 #include "boost/shared_ptr.hpp"
00047 
00048 
00049 namespace Teuchos {
00050 
00051 
00071 template<class T>
00072 class DeallocBoostSharedPtr
00073 {
00074 public:
00076   DeallocBoostSharedPtr( const boost::shared_ptr<T> &sptr ) : sptr_(sptr) {}
00078   typedef T ptr_t;
00080   void free( T* ptr_in ) const { sptr_.reset(); }
00082   const boost::shared_ptr<T>& ptr() const { return sptr_; }
00083 private:
00084   mutable boost::shared_ptr<T> sptr_;
00085   DeallocBoostSharedPtr(); // Not defined and not to be called!
00086 };
00087 
00088 
00094 template<class T>
00095 class RCPDeleter
00096 {
00097 public:
00099   RCPDeleter( const RCP<T> &rcp ) : rcp_(rcp) {}
00101   typedef void result_type;
00103   typedef T * argument_type;
00105   void operator()(T * x) const { rcp_ = null; }
00107   const RCP<T>& ptr() const { return rcp_; }
00108 private:
00109   mutable RCP<T> rcp_;
00110   RCPDeleter(); // Not defined and not to be called!
00111 };
00112 
00113 
00124 template<class T>
00125 RCP<T> rcp( const boost::shared_ptr<T> &sptr );
00126 
00127 
00139 template<class T>
00140 boost::shared_ptr<T> shared_pointer( const RCP<T> &rcp );
00141 
00142 
00143 } // namespace Teuchos
00144 
00145 
00146 namespace boost {
00147 
00148 
00153 template<class T> inline
00154 bool is_null( const boost::shared_ptr<T> &p )
00155 {
00156   return p.get() == 0;
00157 }
00158 
00159 
00164 template<class T> inline
00165 bool nonnull( const boost::shared_ptr<T> &p )
00166 {
00167   return p.get() != 0;
00168 }
00169 
00170 
00171 } // namespace boost
00172 
00173 
00174 #endif  // TEUCHOS_RCP_SHAREDPTR_CONVERSIONS_DECL_HPP
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