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126 lines
4.0 KiB
C++
126 lines
4.0 KiB
C++
#ifndef BOOST_SERIALIZATION_BINARY_OBJECT_HPP
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#define BOOST_SERIALIZATION_BINARY_OBJECT_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// nvp.hpp: interface for serialization system.
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for updates, documentation, and revision history.
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#include <cassert>
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#include <cstddef> // std::size_t
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#include <boost/config.hpp>
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#if defined(BOOST_NO_STDC_NAMESPACE)
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namespace std{
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using ::size_t;
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} // namespace std
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#endif
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#include <boost/preprocessor/stringize.hpp>
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#include <boost/serialization/tracking.hpp>
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#include <boost/serialization/level.hpp>
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#include <boost/serialization/split_member.hpp>
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#include <boost/serialization/nvp.hpp>
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namespace boost {
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namespace serialization {
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struct binary_object {
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/* const */ void * const m_t;
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const std::size_t m_size;
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template<class Archive>
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void save(Archive & ar, const unsigned int /* file_version */) const {
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ar.save_binary(m_t, m_size);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */){
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ar.load_binary(const_cast<void *>(m_t), m_size);
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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binary_object(/* const */ void * const t, std::size_t size) :
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m_t(t),
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m_size(size)
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{}
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binary_object(const binary_object & rhs) :
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m_t(rhs.m_t),
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m_size(rhs.m_size)
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{}
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};
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// just a little helper to support the convention that all serialization
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// wrappers follow the naming convention make_xxxxx
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inline
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binary_object make_binary_object(/* const */ void * t, std::size_t size){
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return binary_object(t, size);
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}
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// make special version of nvp which for binary object wrapper rather than
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// a pointer to them. This permits a better composition of nvp(binary_object)
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// than would otherwise be possible.
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template<>
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struct nvp<binary_object> :
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public std::pair<const char *, binary_object>,
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public traits<nvp<binary_object>, object_serializable, track_never>
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{
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explicit nvp(const char * name, binary_object & t) :
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std::pair<const char *, binary_object>(name, t)
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{}
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nvp(const nvp<binary_object> & rhs) :
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std::pair<const char *, binary_object>(rhs.first, rhs.second)
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{}
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const char * name() const {
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return this->first;
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}
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binary_object & value() {
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return this->second;
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}
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const binary_object & value() const {
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return this->second;
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}
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// default treatment for name-value pairs. The name is
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// just discarded and only the value is serialized. Note the unusual
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// fact that his is "const". This is because wrappers themselves are
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// in fact "const" - even though the things they wrap may not be.
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// note: removed "const" because it confuses MSVC 6.0
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template<class Archive>
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void serialize(Archive & ar, const unsigned int /* file_version */) /*const*/
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{
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ar & value();
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}
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};
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inline nvp<binary_object> make_nvp(const char * name, binary_object t){
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return nvp<binary_object>(name, t);
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}
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} // namespace serialization
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} // boost
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// don't need versioning info for this type
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BOOST_CLASS_IMPLEMENTATION(
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binary_object,
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boost::serialization::object_serializable
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)
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// don't track binary objects - usually they will be created on the stack
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// and tracking algorithm (which uses the object address) might get
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// confused. note that these address will likely be members of some
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// other structure which itself is tracked, so as a practical matter
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// suppressing tracking shouldn't cause any redundancy.
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BOOST_CLASS_TRACKING(binary_object, boost::serialization::track_never)
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#endif // BOOST_SERIALIZATION_BINARY_OBJECT_HPP
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