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- #ifndef BOOST_SERIALIZATION_SHARED_PTR_132_HPP
- #define BOOST_SERIALIZATION_SHARED_PTR_132_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 2002 Robert Ramey - http://www.rrsd.com .
- // 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.
- // note: totally unadvised hack to gain access to private variables
- // in shared_ptr and shared_count. Unfortunately its the only way to
- // do this without changing shared_ptr and shared_count
- // the best we can do is to detect a conflict here
- #include <boost/config.hpp>
- #include <list>
- #include <cstddef> // NULL
- #include <boost/serialization/assume_abstract.hpp>
- #include <boost/serialization/split_free.hpp>
- #include <boost/serialization/nvp.hpp>
- #include <boost/serialization/tracking.hpp>
- #include <boost/serialization/void_cast.hpp>
- // mark base class as an (uncreatable) base class
- #include <boost/serialization/detail/shared_ptr_132.hpp>
- /////////////////////////////////////////////////////////////
- // Maintain a couple of lists of loaded shared pointers of the old previous
- // version (1.32)
- namespace boost_132 {
- namespace serialization {
- namespace detail {
- struct null_deleter {
- void operator()(void const *) const {}
- };
- } // namespace detail
- } // namespace serialization
- } // namespace boost_132
- /////////////////////////////////////////////////////////////
- // sp_counted_base_impl serialization
- namespace boost {
- namespace serialization {
- template<class Archive, class P, class D>
- inline void serialize(
- Archive & /* ar */,
- boost_132::detail::sp_counted_base_impl<P, D> & /* t */,
- const unsigned int /*file_version*/
- ){
- // register the relationship between each derived class
- // its polymorphic base
- boost::serialization::void_cast_register<
- boost_132::detail::sp_counted_base_impl<P, D>,
- boost_132::detail::sp_counted_base
- >(
- static_cast<boost_132::detail::sp_counted_base_impl<P, D> *>(NULL),
- static_cast<boost_132::detail::sp_counted_base *>(NULL)
- );
- }
- template<class Archive, class P, class D>
- inline void save_construct_data(
- Archive & ar,
- const
- boost_132::detail::sp_counted_base_impl<P, D> *t,
- const unsigned int /* file_version */
- ){
- // variables used for construction
- ar << boost::serialization::make_nvp("ptr", t->ptr);
- }
- template<class Archive, class P, class D>
- inline void load_construct_data(
- Archive & ar,
- boost_132::detail::sp_counted_base_impl<P, D> * t,
- const unsigned int /* file_version */
- ){
- P ptr_;
- ar >> boost::serialization::make_nvp("ptr", ptr_);
- // ::new(t)boost_132::detail::sp_counted_base_impl<P, D>(ptr_, D());
- // placement
- // note: the original ::new... above is replaced by the one here. This one
- // creates all new objects with a null_deleter so that after the archive
- // is finished loading and the shared_ptrs are destroyed - the underlying
- // raw pointers are NOT deleted. This is necessary as they are used by the
- // new system as well.
- ::new(t)boost_132::detail::sp_counted_base_impl<
- P,
- boost_132::serialization::detail::null_deleter
- >(
- ptr_, boost_132::serialization::detail::null_deleter()
- ); // placement new
- // compensate for that fact that a new shared count always is
- // initialized with one. the add_ref_copy below will increment it
- // every time its serialized so without this adjustment
- // the use and weak counts will be off by one.
- t->use_count_ = 0;
- }
- } // serialization
- } // namespace boost
- /////////////////////////////////////////////////////////////
- // shared_count serialization
- namespace boost {
- namespace serialization {
- template<class Archive>
- inline void save(
- Archive & ar,
- const boost_132::detail::shared_count &t,
- const unsigned int /* file_version */
- ){
- ar << boost::serialization::make_nvp("pi", t.pi_);
- }
- template<class Archive>
- inline void load(
- Archive & ar,
- boost_132::detail::shared_count &t,
- const unsigned int /* file_version */
- ){
- ar >> boost::serialization::make_nvp("pi", t.pi_);
- if(NULL != t.pi_)
- t.pi_->add_ref_copy();
- }
- } // serialization
- } // namespace boost
- BOOST_SERIALIZATION_SPLIT_FREE(boost_132::detail::shared_count)
- /////////////////////////////////////////////////////////////
- // implement serialization for shared_ptr< T >
- namespace boost {
- namespace serialization {
- template<class Archive, class T>
- inline void save(
- Archive & ar,
- const boost_132::shared_ptr< T > &t,
- const unsigned int /* file_version */
- ){
- // only the raw pointer has to be saved
- // the ref count is maintained automatically as shared pointers are loaded
- ar.register_type(static_cast<
- boost_132::detail::sp_counted_base_impl<T *, boost::checked_deleter< T > > *
- >(NULL));
- ar << boost::serialization::make_nvp("px", t.px);
- ar << boost::serialization::make_nvp("pn", t.pn);
- }
- template<class Archive, class T>
- inline void load(
- Archive & ar,
- boost_132::shared_ptr< T > &t,
- const unsigned int /* file_version */
- ){
- // only the raw pointer has to be saved
- // the ref count is maintained automatically as shared pointers are loaded
- ar.register_type(static_cast<
- boost_132::detail::sp_counted_base_impl<T *, boost::checked_deleter< T > > *
- >(NULL));
- ar >> boost::serialization::make_nvp("px", t.px);
- ar >> boost::serialization::make_nvp("pn", t.pn);
- }
- template<class Archive, class T>
- inline void serialize(
- Archive & ar,
- boost_132::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);
- }
- } // serialization
- } // namespace boost
- // note: change below uses null_deleter
- // This macro is used to export GUIDS for shared pointers to allow
- // the serialization system to export them properly. David Tonge
- #define BOOST_SHARED_POINTER_EXPORT_GUID(T, K) \
- typedef boost_132::detail::sp_counted_base_impl< \
- T *, \
- boost::checked_deleter< T > \
- > __shared_ptr_ ## T; \
- BOOST_CLASS_EXPORT_GUID(__shared_ptr_ ## T, "__shared_ptr_" K) \
- BOOST_CLASS_EXPORT_GUID(T, K) \
- /**/
- #define BOOST_SHARED_POINTER_EXPORT(T) \
- BOOST_SHARED_POINTER_EXPORT_GUID( \
- T, \
- BOOST_PP_STRINGIZE(T) \
- ) \
- /**/
- #endif // BOOST_SERIALIZATION_SHARED_PTR_132_HPP
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