source: downloads/boost_1_34_1/boost/serialization/hash_collections_save_imp.hpp @ 44

#ifndef BOOST_SERIALIZATION_HASH_COLLECTIONS_SAVE_IMP_HPP
#define BOOST_SERIALIZATION_HASH_COLLECTIONS_SAVE_IMP_HPP

// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif

/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// hash_collections_save_imp.hpp: serialization for 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 <boost/config.hpp>
#include <boost/serialization/nvp.hpp>
#include <boost/serialization/serialization.hpp>
#include <boost/serialization/version.hpp>

namespace boost{
namespace serialization {
namespace stl {

//////////////////////////////////////////////////////////////////////
// implementation of serialization for STL containers
//

template<class Archive, class Container>
inline void save_hash_collection(Archive & ar, const Container &s)
{
    // record number of elements
    unsigned int count = s.size();
    ar <<  BOOST_SERIALIZATION_NVP(count);
    // make sure the target type is registered so we can retrieve
    // the version when we load
    if(3 < ar.get_library_version()){
        const unsigned int bucket_count = s.bucket_count();
        ar << BOOST_SERIALIZATION_NVP(bucket_count);
        const unsigned int item_version = version<BOOST_DEDUCED_TYPENAME Container::value_type>::value;
        ar << BOOST_SERIALIZATION_NVP(item_version);
    }
    BOOST_DEDUCED_TYPENAME Container::const_iterator it = s.begin();
    while(count-- > 0){
        // note borland emits a no-op without the explicit namespace
        boost::serialization::save_construct_data_adl(
            ar, 
            &(*it), 
            boost::serialization::version<
                BOOST_DEDUCED_TYPENAME Container::value_type
            >::value
        );
        ar << boost::serialization::make_nvp("item", *it++);
    }
}

} // namespace stl 
} // namespace serialization
} // namespace boost

#endif //BOOST_SERIALIZATION_HASH_COLLECTIONS_SAVE_IMP_HPP