/* Copyright 2003-2005 Joaquín M López Muñoz.

  * 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/multi_index for library home page.

  */

 #ifndef BOOST_MULTI_INDEX_DETAIL_ARCHIVE_CONSTRUCTED_HPP

 #define BOOST_MULTI_INDEX_DETAIL_ARCHIVE_CONSTRUCTED_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/detail/no_exceptions_support.hpp>

 #include <boost/noncopyable.hpp>

 #include <boost/serialization/serialization.hpp>

 #include <boost/type_traits/aligned_storage.hpp>

 #include <boost/type_traits/alignment_of.hpp> 

 namespace boost{

 namespace multi_index{

 namespace detail{

 /* constructs a stack-based object from a serialization archive */

 template<typename T>

 struct archive_constructed:private noncopyable

 {

   template<class Archive>

   archive_constructed(Archive& ar,const unsigned int version)

   {

     serialization::load_construct_data_adl(ar,&get(),version);

     BOOST_TRY{

       ar>>get();

     }

     BOOST_CATCH(...){

       (&get())->~T();

       BOOST_RETHROW;

     }

     BOOST_CATCH_END

   }

   template<class Archive>

   archive_constructed(const char* name,Archive& ar,const unsigned int version)

   {

     serialization::load_construct_data_adl(ar,&get(),version);

     BOOST_TRY{

       ar>>serialization::make_nvp(name,get());

     }

     BOOST_CATCH(...){

       (&get())->~T();

       BOOST_RETHROW;

     }

     BOOST_CATCH_END

   }

   ~archive_constructed()

   {

     (&get())->~T();

   }

   T& get(){return *static_cast<T*>(static_cast<void*>(&space));}

 private:

   typename aligned_storage<sizeof(T),alignment_of<T>::value>::type space;

 };

 } /* namespace multi_index::detail */

 } /* namespace multi_index */

 } /* namespace boost */

 #endif