Chris@102: /* Copyright 2006-2014 Joaquin M Lopez Munoz.
Chris@102:  * Distributed under the Boost Software License, Version 1.0.
Chris@102:  * (See accompanying file LICENSE_1_0.txt or copy at
Chris@102:  * http://www.boost.org/LICENSE_1_0.txt)
Chris@102:  *
Chris@102:  * See http://www.boost.org/libs/flyweight for library home page.
Chris@102:  */
Chris@102: 
Chris@102: #ifndef BOOST_FLYWEIGHT_SERIALIZE_HPP
Chris@102: #define BOOST_FLYWEIGHT_SERIALIZE_HPP
Chris@102: 
Chris@102: #if defined(_MSC_VER)&&(_MSC_VER>=1200)
Chris@102: #pragma once
Chris@102: #endif
Chris@102: 
Chris@102: #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
Chris@102: #include <boost/flyweight/flyweight_fwd.hpp>
Chris@102: #include <boost/flyweight/detail/archive_constructed.hpp>
Chris@102: #include <boost/flyweight/detail/serialization_helper.hpp>
Chris@102: #include <boost/serialization/nvp.hpp>
Chris@102: #include <boost/serialization/split_free.hpp>
Chris@102: #include <boost/throw_exception.hpp> 
Chris@102: #include <memory>
Chris@102: 
Chris@102: /* Serialization routines for flyweight<T>. 
Chris@102:  */
Chris@102: 
Chris@102: namespace boost{
Chris@102:   
Chris@102: namespace serialization{
Chris@102: 
Chris@102: template<
Chris@102:   class Archive,
Chris@102:   typename T,typename Arg1,typename Arg2,typename Arg3
Chris@102: >
Chris@102: inline void serialize(
Chris@102:   Archive& ar,::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3>& f,
Chris@102:   const unsigned int version)
Chris@102: {
Chris@102:   split_free(ar,f,version);              
Chris@102: }                                               
Chris@102: 
Chris@102: template<
Chris@102:   class Archive,
Chris@102:   typename T,typename Arg1,typename Arg2,typename Arg3
Chris@102: >
Chris@102: void save(
Chris@102:   Archive& ar,const ::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3>& f,
Chris@102:   const unsigned int version)
Chris@102: {
Chris@102:   typedef ::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3>    flyweight;
Chris@102:   typedef ::boost::flyweights::detail::save_helper<flyweight> helper;
Chris@102:   typedef typename helper::size_type                          size_type;
Chris@102: 
Chris@102:   helper& hlp=ar.template get_helper<helper>();
Chris@102: 
Chris@102:   size_type n=hlp.find(f);
Chris@102:   ar<<make_nvp("item",n);
Chris@102:   if(n==hlp.size()){
Chris@102:     ar<<make_nvp("key",f.get_key());
Chris@102:     hlp.push_back(f);
Chris@102:   }
Chris@102: }
Chris@102: 
Chris@102: template<
Chris@102:   class Archive,
Chris@102:   typename T,typename Arg1,typename Arg2,typename Arg3
Chris@102: >
Chris@102: void load(
Chris@102:   Archive& ar,::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3>& f,
Chris@102:   const unsigned int version)
Chris@102: {
Chris@102:   typedef ::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3>    flyweight;
Chris@102:   typedef typename flyweight::key_type                        key_type;
Chris@102:   typedef ::boost::flyweights::detail::load_helper<flyweight> helper;
Chris@102:   typedef typename helper::size_type                          size_type;
Chris@102: 
Chris@102:   helper& hlp=ar.template get_helper<helper>();
Chris@102: 
Chris@102:   size_type n=0;
Chris@102:   ar>>make_nvp("item",n);
Chris@102:   if(n>hlp.size()){
Chris@102:     throw_exception(
Chris@102:       archive::archive_exception(archive::archive_exception::other_exception));
Chris@102:   }
Chris@102:   else if(n==hlp.size()){
Chris@102:     ::boost::flyweights::detail::archive_constructed<key_type> k(
Chris@102:       "key",ar,version);
Chris@102:     hlp.push_back(flyweight(k.get()));
Chris@102:   }
Chris@102:   f=hlp[n];
Chris@102: }
Chris@102: 
Chris@102: } /* namespace serialization */
Chris@102: 
Chris@102: } /* namespace boost */
Chris@102: 
Chris@102: #endif