Chris@16: /*!
Chris@16:  * \file      bitset.hpp
Chris@16:  * \brief     Provides Boost.Serialization support for std::bitset
Chris@16:  * \author    Brian Ravnsgaard Riis
Chris@16:  * \author    Kenneth Riddile
Chris@16:  * \date      16.09.2004, updated 04.03.2009
Chris@16:  * \copyright 2004 Brian Ravnsgaard Riis
Chris@16:  * \license   Boost Software License 1.0
Chris@16:  */
Chris@16: #ifndef BOOST_SERIALIZATION_BITSET_HPP
Chris@16: #define BOOST_SERIALIZATION_BITSET_HPP
Chris@16: 
Chris@16: // MS compatible compilers support #pragma once
Chris@101: #if defined(_MSC_VER)
Chris@16: # pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <bitset>
Chris@16: #include <cstddef> // size_t
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: #include <boost/serialization/split_free.hpp>
Chris@16: #include <boost/serialization/string.hpp>
Chris@16: #include <boost/serialization/nvp.hpp>
Chris@16: 
Chris@16: namespace boost{
Chris@16: namespace serialization{
Chris@16: 
Chris@16: template <class Archive, std::size_t size>
Chris@16: inline void save(
Chris@16:     Archive & ar,
Chris@16:     std::bitset<size> const & t,
Chris@16:     const unsigned int /* version */
Chris@16: ){
Chris@16:     const std::string bits = t.template to_string<
Chris@16:         std::string::value_type,
Chris@16:         std::string::traits_type,
Chris@16:         std::string::allocator_type
Chris@16:     >();
Chris@16:     ar << BOOST_SERIALIZATION_NVP( bits );
Chris@16: }
Chris@16: 
Chris@16: template <class Archive, std::size_t size>
Chris@16: inline void load(
Chris@16:     Archive & ar,
Chris@16:     std::bitset<size> & t,
Chris@16:     const unsigned int /* version */
Chris@16: ){
Chris@16:     std::string bits;
Chris@16:     ar >> BOOST_SERIALIZATION_NVP( bits );
Chris@16:     t = std::bitset<size>(bits);
Chris@16: }
Chris@16: 
Chris@16: template <class Archive, std::size_t size>
Chris@16: inline void serialize(
Chris@16:     Archive & ar,
Chris@16:     std::bitset<size> & t,
Chris@16:     const unsigned int version
Chris@16: ){
Chris@16:     boost::serialization::split_free( ar, t, version );
Chris@16: }
Chris@16: 
Chris@16: // don't track bitsets since that would trigger tracking
Chris@16: // all over the program - which probably would be a surprise.
Chris@16: // also, tracking would be hard to implement since, we're
Chris@16: // serialization a representation of the data rather than
Chris@16: // the data itself.
Chris@16: template <std::size_t size>
Chris@16: struct tracking_level<std::bitset<size> >
Chris@16:     : mpl::int_<track_never> {} ;
Chris@16: 
Chris@16: } //serialization
Chris@16: } //boost
Chris@16: 
Chris@16: #endif // BOOST_SERIALIZATION_BITSET_HPP