archive/detail/interface_oarchive.hpp

0001 #ifndef BOOST_ARCHIVE_DETAIL_INTERFACE_OARCHIVE_HPP
0002 #define BOOST_ARCHIVE_DETAIL_INTERFACE_OARCHIVE_HPP
0003
0004 // MS compatible compilers support #pragma once
0005 #if defined(_MSC_VER)
0006 # pragma once
0007 #endif
0008
0009 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
0010 // interface_oarchive.hpp
0011
0012 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
0013 // Use, modification and distribution is subject to the Boost Software
0014 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0015 // http://www.boost.org/LICENSE_1_0.txt)
0016
0017 //  See http://www.boost.org for updates, documentation, and revision history.
0018 #include <cstddef> // NULL
0019 #include <boost/cstdint.hpp>
0020 #include <boost/mpl/bool.hpp>
0021 #include <boost/detail/workaround.hpp>
0022
0023 #include <boost/archive/detail/auto_link_archive.hpp>
0024 #include <boost/archive/detail/oserializer.hpp>
0025 #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
0026
0027 #include <boost/serialization/singleton.hpp>
0028
0029 namespace boost {
0030 namespace archive {
0031 namespace detail {
0032
0033 class basic_pointer_oserializer;
0034
0035 template<class Archive>
0036 class interface_oarchive
0037 {
0038 protected:
0039     interface_oarchive() {}
0040 public:
0041     /////////////////////////////////////////////////////////
0042     // archive public interface
0043     typedef mpl::bool_<false> is_loading;
0044     typedef mpl::bool_<true> is_saving;
0045
0046     // return a pointer to the most derived class
0047     Archive * This(){
0048         return static_cast<Archive*>(this);
0049     }
0050
0051     template<class T>
0052     const basic_pointer_oserializer *
0053     register_type(const T * = NULL){
0054         const basic_pointer_oserializer & bpos =
0055             boost::serialization::singleton<
0056                 pointer_oserializer<Archive, T>
0057             >::get_const_instance();
0058         this->This()->register_basic_serializer(bpos.get_basic_serializer());
0059         return & bpos;
0060     }
0061
0062     template<class Helper>
0063     Helper &
0064     get_helper(void * const id = 0){
0065         helper_collection & hc = this->This()->get_helper_collection();
0066         return hc.template find_helper<Helper>(id);
0067     }
0068
0069     template<class T>
0070     Archive & operator<<(const T & t){
0071         this->This()->save_override(t);
0072         return * this->This();
0073     }
0074
0075     // the & operator
0076     template<class T>
0077     Archive & operator&(const T & t){
0078         return * this ->This() << t;
0079     }
0080 };
0081
0082 } // namespace detail
0083 } // namespace archive
0084 } // namespace boost
0085
0086 #include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
0087
0088 #endif // BOOST_ARCHIVE_DETAIL_INTERFACE_IARCHIVE_HPP