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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | #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_fwd.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 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
|