diff -r 000000000000 -r e4d67989cc36 ossrv_pub/boost_apis/boost/serialization/variant.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ossrv_pub/boost_apis/boost/serialization/variant.hpp Tue Feb 02 02:01:42 2010 +0200 @@ -0,0 +1,161 @@ +#ifndef BOOST_SERIALIZATION_VARIANT_HPP +#define BOOST_SERIALIZATION_VARIANT_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 +// variant.hpp - non-intrusive serialization of variant types +// +// copyright (c) 2005 +// troy d. straszheim +// http://www.resophonic.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. +// +// thanks to Robert Ramey, Peter Dimov, and Richard Crossley. +// + +#include +#include +#include +#include +#include +#include + +#include + +#include + +#include + +#include +#include + +namespace boost { +namespace serialization { + +template +struct variant_save_visitor : boost::static_visitor<> { + variant_save_visitor(Archive& ar) : + m_ar(ar) + {} + template + void operator()(T const & value) const + { + m_ar << BOOST_SERIALIZATION_NVP(value); + } +private: + Archive & m_ar; +}; + +template +void save( + Archive & ar, + boost::variant const & v, + unsigned int version +){ + int which = v.which(); + ar << BOOST_SERIALIZATION_NVP(which); + typedef BOOST_DEDUCED_TYPENAME boost::variant::types types; + variant_save_visitor visitor(ar); + v.apply_visitor(visitor); +} + +template +struct variant_impl { + + struct load_null { + template + static void invoke( + Archive & ar, + int which, + V & v, + unsigned int version + ){} + }; + + struct load_impl { + template + static void invoke( + Archive & ar, + int which, + V & v, + unsigned int version + ){ + if(which == 0){ + // note: A non-intrusive implementation (such as this one) + // necessary has to copy the value. This wouldn't be necessary + // with an implementation that de-serialized to the address of the + // aligned storage included in the variant. + typedef BOOST_DEDUCED_TYPENAME mpl::front::type head_type; + head_type value; + ar >> BOOST_SERIALIZATION_NVP(value); + v = value; + ar.reset_object_address(& boost::get(v), & value); + return; + } + typedef BOOST_DEDUCED_TYPENAME mpl::pop_front::type type; + variant_impl::load(ar, which - 1, v, version); + } + }; + + template + static void load( + Archive & ar, + int which, + V & v, + unsigned int version + ){ + typedef BOOST_DEDUCED_TYPENAME mpl::eval_if, + mpl::identity, + mpl::identity + >::type typex; + typex::invoke(ar, which, v, version); + } + +}; + +template +void load( + Archive & ar, + boost::variant& v, + unsigned int version +){ + int which; + typedef BOOST_DEDUCED_TYPENAME boost::variant::types types; + ar >> BOOST_SERIALIZATION_NVP(which); + if(which >= mpl::size::value) + // this might happen if a type was removed from the list of variant types + boost::throw_exception( + boost::archive::archive_exception( + boost::archive::archive_exception::unsupported_version + ) + ); + variant_impl::load(ar, which, v, version); +} + +template +inline void serialize( + Archive & ar, + boost::variant & v, + unsigned int file_version +){ + split_free(ar,v,file_version); +} + +} // namespace serialization +} // namespace boost + +#endif //BOOST_SERIALIZATION_VARIANT_HPP +