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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) && (_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
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