| #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 |