#ifndef BOOST_SERIALIZATION_WRAPPER_HPP | |
#define BOOST_SERIALIZATION_WRAPPER_HPP | |
// (C) Copyright 2005-2006 Matthias Troyer | |
// 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) | |
#include <boost/serialization/traits.hpp> | |
#include <boost/type_traits/is_base_and_derived.hpp> | |
#include <boost/mpl/eval_if.hpp> | |
#include <boost/mpl/bool.hpp> | |
namespace boost { namespace serialization { | |
/// the base class for serialization wrappers | |
/// | |
/// wrappers need to be treated differently at various places in the serialization library, | |
/// e.g. saving of non-const wrappers has to be possible. Since partial specialization | |
// is not supported by all compilers, we derive all wrappers from wrapper_traits. | |
template< | |
class T, | |
int Level = object_serializable, | |
int Tracking = track_never, | |
unsigned int Version = 0, | |
class ETII = extended_type_info_impl< T > | |
> | |
struct wrapper_traits : | |
public traits<T,Level,Tracking,Version,ETII,mpl::true_> | |
{}; | |
template<class T> | |
struct is_wrapper_impl : | |
boost::mpl::eval_if< | |
boost::is_base_and_derived<basic_traits,T>, | |
boost::mpl::true_, | |
boost::mpl::false_ | |
>::type | |
{}; | |
template<class T> | |
struct is_wrapper { | |
typedef BOOST_DEDUCED_TYPENAME is_wrapper_impl<const T>::type type; | |
}; | |
} // serialization | |
} // boost | |
// A macro to define that a class is a wrapper | |
#define BOOST_CLASS_IS_WRAPPER(T) \ | |
namespace boost { \ | |
namespace serialization { \ | |
template<> \ | |
struct is_wrapper_impl<const T> : boost::mpl::true_ {}; \ | |
} \ | |
} \ | |
/**/ | |
#endif //BOOST_SERIALIZATION_WRAPPER_HPP |