boost/serialization/access.hpp
#ifndef BOOST_SERIALIZATION_ACCESS_HPP
#define BOOST_SERIALIZATION_ACCESS_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
// access.hpp: interface for serialization system.
// (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.
#include <boost/config.hpp>
#include <boost/serialization/pfto.hpp>
namespace boost {
namespace archive {
namespace detail {
template<class Archive, class T>
class iserializer;
template<class Archive, class T>
class oserializer;
} // namespace detail
} // namespace archive
namespace serialization {
// forward declarations
template<class Archive, class T>
inline void serialize_adl(Archive &, T &, const unsigned int);
namespace detail {
template<class Archive, class T>
struct member_saver;
template<class Archive, class T>
struct member_loader;
} // namespace detail
// use an "accessor class so that we can use:
// "friend class boost::serialization::access;"
// in any serialized class to permit clean, safe access to private class members
// by the serialization system
class access {
public:
// grant access to "real" serialization defaults
#ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
public:
#else
template<class Archive, class T>
friend struct detail::member_saver;
template<class Archive, class T>
friend struct detail::member_loader;
template<class Archive, class T>
friend class archive::detail::iserializer;
template<class Archive, class T>
friend class archive::detail::oserializer;
template<class Archive, class T>
friend inline void serialize(
Archive & ar,
T & t,
const BOOST_PFTO unsigned int file_version
);
template<class Archive, class T>
friend inline void save_construct_data(
Archive & ar,
const T * t,
const BOOST_PFTO unsigned int file_version
);
template<class Archive, class T>
friend inline void load_construct_data(
Archive & ar,
T * t,
const BOOST_PFTO unsigned int file_version
);
#endif
// pass calls to users's class implementation
template<class Archive, class T>
static void member_save(
Archive & ar,
//const T & t,
T & t,
const unsigned int file_version
){
t.save(ar, file_version);
}
template<class Archive, class T>
static void member_load(
Archive & ar,
T & t,
const unsigned int file_version
){
t.load(ar, file_version);
}
template<class Archive, class T>
static void serialize(
Archive & ar,
T & t,
const unsigned int file_version
){
// note: if you get a compile time error here with a
// message something like:
// cannot convert parameter 1 from <file type 1> to <file type 2 &>
// a likely possible cause is that the class T contains a
// serialize function - but that serialize function isn't
// a template and corresponds to a file type different than
// the class Archive. To resolve this, don't include an
// archive type other than that for which the serialization
// function is defined!!!
t.serialize(ar, file_version);
}
template<class T>
static void destroy( const T * t) // const appropriate here?
{
// the const business is an MSVC 6.0 hack that should be
// benign on everything else
delete const_cast<T *>(t);
}
template<class T>
static void construct(T * t){
// default is inplace invocation of default constructor
// Note the :: before the placement new. Required if the
// class doesn't have a class-specific placement new defined.
::new(t)T;
}
template<class T, class U>
static T & cast_reference(U & u){
return static_cast<T &>(u);
}
template<class T, class U>
static T * cast_pointer(U * u){
return static_cast<T *>(u);
}
};
} // namespace serialization
} // namespace boost
#endif // BOOST_SERIALIZATION_ACCESS_HPP