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#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
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