boost/flyweight/serialize.hpp
/* Copyright 2006-2015 Joaquin M Lopez Munoz.
* Distributed under 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/libs/flyweight for library home page.
*/
#ifndef BOOST_FLYWEIGHT_SERIALIZE_HPP
#define BOOST_FLYWEIGHT_SERIALIZE_HPP
#if defined(_MSC_VER)&&(_MSC_VER>=1200)
#pragma once
#endif
#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
#include <boost/flyweight/flyweight_fwd.hpp>
#include <boost/flyweight/detail/archive_constructed.hpp>
#include <boost/flyweight/detail/serialization_helper.hpp>
#include <boost/serialization/nvp.hpp>
#include <boost/serialization/split_free.hpp>
#include <boost/throw_exception.hpp>
#include <memory>
/* Serialization routines for flyweight<T>.
*/
namespace boost{
namespace serialization{
template<
class Archive,
typename T,typename Arg1,typename Arg2,typename Arg3
>
inline void serialize(
Archive& ar,::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3>& f,
const unsigned int version)
{
split_free(ar,f,version);
}
template<
class Archive,
typename T,typename Arg1,typename Arg2,typename Arg3
>
void save(
Archive& ar,const ::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3>& f,
const unsigned int /*version*/)
{
typedef ::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3> flyweight;
typedef ::boost::flyweights::detail::save_helper<flyweight> helper;
typedef typename helper::size_type size_type;
helper& hlp=ar.template get_helper<helper>();
size_type n=hlp.find(f);
ar<<make_nvp("item",n);
if(n==hlp.size()){
ar<<make_nvp("key",f.get_key());
hlp.push_back(f);
}
}
template<
class Archive,
typename T,typename Arg1,typename Arg2,typename Arg3
>
void load(
Archive& ar,::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3>& f,
const unsigned int version)
{
typedef ::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3> flyweight;
typedef typename flyweight::key_type key_type;
typedef ::boost::flyweights::detail::load_helper<flyweight> helper;
typedef typename helper::size_type size_type;
helper& hlp=ar.template get_helper<helper>();
size_type n=0;
ar>>make_nvp("item",n);
if(n>hlp.size()){
throw_exception(
archive::archive_exception(archive::archive_exception::other_exception));
}
else if(n==hlp.size()){
::boost::flyweights::detail::archive_constructed<key_type> k(
"key",ar,version);
hlp.push_back(flyweight(k.get()));
}
f=hlp[n];
}
} /* namespace serialization */
} /* namespace boost */
#endif