| #ifndef BOOST_SERIALIZATION_SHARED_PTR_HPP |
| #define BOOST_SERIALIZATION_SHARED_PTR_HPP |
| |
| // MS compatible compilers support #pragma once |
| #if defined(_MSC_VER) |
| # 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 <memory> |
| |
| #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/shared_ptr_helper.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 |
| // boost:: 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 typename mpl::int_<1> type; |
| #else |
| typedef mpl::int_<1> type; |
| #endif |
| BOOST_STATIC_CONSTANT(int, value = type::value); |
| }; |
| // 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 typename mpl::int_< ::boost::serialization::track_never> type; |
| #else |
| typedef mpl::int_< ::boost::serialization::track_never> type; |
| #endif |
| BOOST_STATIC_CONSTANT(int, value = type::value); |
| }; |
| }} |
| #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 boost::shared_ptr |
| |
| // Using a constant means that all shared pointers are held in the same set. |
| // Thus we detect handle multiple pointers to the same value instances |
| // in the archive. |
| void * const shared_ptr_helper_id = 0; |
| |
| 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 |
| ){ |
| // 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 *, 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 |
| boost::serialization::shared_ptr_helper<boost::shared_ptr> & h = |
| ar.template get_helper< shared_ptr_helper<boost::shared_ptr> >( |
| shared_ptr_helper_id |
| ); |
| h.append(sp); |
| r = sp.get(); |
| } |
| else{ |
| ar >> boost::serialization::make_nvp("px", r); |
| } |
| shared_ptr_helper<boost::shared_ptr> & h = |
| ar.template get_helper<shared_ptr_helper<boost::shared_ptr> >( |
| shared_ptr_helper_id |
| ); |
| h.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); |
| |
| boost::serialization::shared_ptr_helper<boost::shared_ptr> & h = |
| ar.template get_helper<shared_ptr_helper<boost::shared_ptr> >( |
| shared_ptr_helper_id |
| ); |
| h.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 |
| |
| /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
| // std::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_CXX11_SMART_PTR |
| #include <boost/static_assert.hpp> |
| |
| // note: we presume that any compiler/library which supports C++11 |
| // std::pointers also supports template partial specialization |
| // trap here if such presumption were to turn out to wrong!!! |
| #ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
| BOOST_STATIC_ASSERT(false); |
| #endif |
| |
| namespace boost { |
| namespace serialization{ |
| template<class T> |
| struct version< ::std::shared_ptr< T > > { |
| typedef mpl::integral_c_tag tag; |
| typedef mpl::int_<1> type; |
| BOOST_STATIC_CONSTANT(int, value = type::value); |
| }; |
| // don't track shared pointers |
| template<class T> |
| struct tracking_level< ::std::shared_ptr< T > > { |
| typedef mpl::integral_c_tag tag; |
| typedef mpl::int_< ::boost::serialization::track_never> type; |
| BOOST_STATIC_CONSTANT(int, value = type::value); |
| }; |
| }} |
| // the following just keeps older programs from breaking |
| #define BOOST_SERIALIZATION_SHARED_PTR(T) |
| |
| namespace boost { |
| namespace serialization{ |
| |
| /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
| // serialization for std::shared_ptr |
| |
| template<class Archive, class T> |
| inline void save( |
| Archive & ar, |
| const std::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); |
| } |
| |
| template<class Archive, class T> |
| inline void load( |
| Archive & ar, |
| std::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); |
| //void (* const id)(Archive &, std::shared_ptr< T > &, const unsigned int) = & load; |
| boost::serialization::shared_ptr_helper<std::shared_ptr> & h = |
| ar.template get_helper< |
| shared_ptr_helper<std::shared_ptr> |
| >( |
| shared_ptr_helper_id |
| ); |
| h.reset(t,r); |
| } |
| |
| template<class Archive, class T> |
| inline void serialize( |
| Archive & ar, |
| std::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_NO_CXX11_SMART_PTR |
| |
| #endif // BOOST_SERIALIZATION_SHARED_PTR_HPP |