#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 |