#ifndef BOOST_SERIALIZATION_SHARED_PTR_HPP #define BOOST_SERIALIZATION_SHARED_PTR_HPP // MS compatible compilers support #pragma once #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 // shared_ptr.hpp: serialization for boost shared pointer // (C) Copyright 2004 Robert Ramey and Martin Ecker // Use, modification and distribution is subject to the Boost Software // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) // See http://www.boost.org for updates, documentation, and revision history. #include <cstddef> // NULL #include <boost/config.hpp> #include <boost/mpl/integral_c.hpp> #include <boost/mpl/integral_c_tag.hpp> #include <boost/detail/workaround.hpp> #include <boost/shared_ptr.hpp> #include <boost/serialization/split_free.hpp> #include <boost/serialization/nvp.hpp> #include <boost/serialization/version.hpp> #include <boost/serialization/tracking.hpp> /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 // shared_ptr serialization traits // version 1 to distinguish from boost 1.32 version. Note: we can only do this // for a template when the compiler supports partial template specialization #ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION namespace boost { namespace serialization{ template<class T> struct version< ::boost::shared_ptr< T > > { typedef mpl::integral_c_tag tag; #if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3206)) typedef BOOST_DEDUCED_TYPENAME mpl::int_<1> type; #else typedef mpl::int_<1> type; #endif #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x570)) BOOST_STATIC_CONSTANT(int, value = 1); #else BOOST_STATIC_CONSTANT(int, value = type::value); #endif }; // don't track shared pointers template<class T> struct tracking_level< ::boost::shared_ptr< T > > { typedef mpl::integral_c_tag tag; #if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3206)) typedef BOOST_DEDUCED_TYPENAME mpl::int_< ::boost::serialization::track_never> type; #else typedef mpl::int_< ::boost::serialization::track_never> type; #endif #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x570)) BOOST_STATIC_CONSTANT(int, value = ::boost::serialization::track_never); #else BOOST_STATIC_CONSTANT(int, value = type::value); #endif }; }} #define BOOST_SERIALIZATION_SHARED_PTR(T) #else // define macro to let users of these compilers do this #define BOOST_SERIALIZATION_SHARED_PTR(T) \ BOOST_CLASS_VERSION( \ ::boost::shared_ptr< T >, \ 1 \ ) \ BOOST_CLASS_TRACKING( \ ::boost::shared_ptr< T >, \ ::boost::serialization::track_never \ ) \ /**/ #endif namespace boost { namespace serialization{ struct null_deleter { void operator()(void const *) const {} }; /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 // serialization for shared_ptr template<class Archive, class T> inline void save( Archive & ar, const boost::shared_ptr< T > &t, const unsigned int /* file_version */ ){ // The most common cause of trapping here would be serializing // something like shared_ptr<int>. This occurs because int // is never tracked by default. Wrap int in a trackable type BOOST_STATIC_ASSERT((tracking_level< T >::value != track_never)); const T * t_ptr = t.get(); ar << boost::serialization::make_nvp("px", t_ptr); } #ifdef BOOST_SERIALIZATION_SHARED_PTR_132_HPP template<class Archive, class T> inline void load( Archive & ar, boost::shared_ptr< T > &t, const unsigned int file_version ){ // The most common cause of trapping here would be serializing // something like shared_ptr<int>. This occurs because int // is never tracked by default. Wrap int in a trackable type BOOST_STATIC_ASSERT((tracking_level< T >::value != track_never)); T* r; if(file_version < 1){ //ar.register_type(static_cast< // boost_132::detail::sp_counted_base_impl<T *, boost::checked_deleter< T > > * //>(NULL)); ar.register_type(static_cast< boost_132::detail::sp_counted_base_impl<T *, null_deleter > * >(NULL)); boost_132::shared_ptr< T > sp; ar >> boost::serialization::make_nvp("px", sp.px); ar >> boost::serialization::make_nvp("pn", sp.pn); // got to keep the sps around so the sp.pns don't disappear ar.append(sp); r = sp.get(); } else{ ar >> boost::serialization::make_nvp("px", r); } ar.reset(t,r); } #else template<class Archive, class T> inline void load( Archive & ar, boost::shared_ptr< T > &t, const unsigned int /*file_version*/ ){ // The most common cause of trapping here would be serializing // something like shared_ptr<int>. This occurs because int // is never tracked by default. Wrap int in a trackable type BOOST_STATIC_ASSERT((tracking_level< T >::value != track_never)); T* r; ar >> boost::serialization::make_nvp("px", r); ar.reset(t,r); } #endif template<class Archive, class T> inline void serialize( Archive & ar, boost::shared_ptr< T > &t, const unsigned int file_version ){ // correct shared_ptr serialization depends upon object tracking // being used. BOOST_STATIC_ASSERT( boost::serialization::tracking_level< T >::value != boost::serialization::track_never ); boost::serialization::split_free(ar, t, file_version); } } // namespace serialization } // namespace boost #endif // BOOST_SERIALIZATION_SHARED_PTR_HPP