#ifndef  BOOST_SERIALIZATION_COLLECTIONS_LOAD_IMP_HPP

#define BOOST_SERIALIZATION_COLLECTIONS_LOAD_IMP_HPP



// MS compatible compilers support #pragma once

#if defined(_MSC_VER) && (_MSC_VER >= 1020)

# pragma once

#endif



#if defined(_MSC_VER) && (_MSC_VER <= 1020)

#  pragma warning (disable : 4786) // too long name, harmless warning

#endif



/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8

// collections_load_imp.hpp: serialization for loading stl collections



// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 

// Use, modification and distribution is subject to 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 for updates, documentation, and revision history.



// helper function templates for serialization of collections



#include <cassert>

#include <boost/config.hpp>

#include <boost/detail/workaround.hpp>



#include <boost/aligned_storage.hpp>



#include <boost/serialization/access.hpp>

#include <boost/serialization/nvp.hpp>

#include <boost/serialization/detail/stack_constructor.hpp>

#include <boost/serialization/collection_size_type.hpp>



namespace boost{

namespace serialization {

namespace stl {



//////////////////////////////////////////////////////////////////////

// implementation of serialization for STL containers

//



// sequential container input

template<class Archive, class Container>

struct archive_input_seq

{

    inline void operator()(

        Archive &ar, 

        Container &s, 

        const unsigned int v

    ){

        typedef BOOST_DEDUCED_TYPENAME Container::value_type type;

        detail::stack_construct<Archive, type> t(ar, v);

        // borland fails silently w/o full namespace

        ar >> boost::serialization::make_nvp("item", t.reference());

        s.push_back(t.reference());

        ar.reset_object_address(& s.back() , & t.reference());

    }

};



// map and set input

template<class Archive, class Container>

struct archive_input_unique

{

    inline void operator()(

        Archive &ar, 

        Container &s, 

        const unsigned int v

    ){

        typedef BOOST_DEDUCED_TYPENAME Container::value_type type;

        detail::stack_construct<Archive, type>t(ar, v);

        // borland fails silently w/o full namespace

        ar >> boost::serialization::make_nvp("item", t.reference());

        std::pair<BOOST_DEDUCED_TYPENAME Container::const_iterator, bool> result = 

            s.insert(t.reference());

        if(result.second)

            ar.reset_object_address(& (* result.first), & t.reference());

    }

};



// multiset and multimap input

template<class Archive, class Container>

struct archive_input_multi

{

    inline void operator()(

        Archive &ar, 

        Container &s, 

        const unsigned int v

    ){

        typedef BOOST_DEDUCED_TYPENAME Container::value_type type;

        detail::stack_construct<Archive, type> t(ar, v);

        // borland fails silently w/o full namespace

        ar >> boost::serialization::make_nvp("item", t.reference());

        BOOST_DEDUCED_TYPENAME Container::const_iterator result 

            = s.insert(t.reference());

        ar.reset_object_address(& (* result), & t.reference());

    }

};



template<class Container>

class reserve_imp

{

public:

    void operator()(Container &s, std::size_t count) const {

        s.reserve(count);

    }

};



template<class Container>

class no_reserve_imp

{

public:

    void operator()(Container & /* s */, std::size_t /* count */) const{}

};



template<class Archive, class Container, class InputFunction, class R>

inline void load_collection(Archive & ar, Container &s)

{

    s.clear();

    // retrieve number of elements

    collection_size_type count;

    unsigned int item_version;

    ar >> BOOST_SERIALIZATION_NVP(count);

    if(3 < ar.get_library_version())

        ar >> BOOST_SERIALIZATION_NVP(item_version);

    else

        item_version = 0;

    R rx;

    rx(s, count);

    std::size_t c = count;

    InputFunction ifunc;

    while(c-- > 0){

        ifunc(ar, s, item_version);

    }

}



} // namespace stl 

} // namespace serialization

} // namespace boost



#endif //BOOST_SERIALIZATION_COLLECTIONS_LOAD_IMP_HPP

