boost/serialization/factory.hpp
#ifndef BOOST_SERIALIZATION_FACTORY_HPP
#define BOOST_SERIALIZATION_FACTORY_HPP
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// MS compatible compilers support #pragma once
#if defined(_MSC_VER)
# pragma once
#endif
// factory.hpp: create an instance from an extended_type_info instance.
// (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.
#include <cstdarg> // valist
#include <cstddef> // NULL
#include <boost/preprocessor/control/if.hpp>
#include <boost/preprocessor/comparison/greater.hpp>
#include <boost/assert.hpp>
namespace std{
#if defined(__LIBCOMO__)
using ::va_list;
#endif
} // namespace std
namespace boost {
namespace serialization {
// default implementation does nothing.
template<class T, int N>
T * factory(std::va_list){
BOOST_ASSERT(false);
// throw exception here?
return NULL;
}
} // namespace serialization
} // namespace boost
#define BOOST_SERIALIZATION_FACTORY(N, T, A0, A1, A2, A3) \
namespace boost { \
namespace serialization { \
template<> \
T * factory<T, N>(std::va_list ap){ \
BOOST_PP_IF(BOOST_PP_GREATER(N, 0) \
, A0 a0 = va_arg(ap, A0);, BOOST_PP_EMPTY()) \
BOOST_PP_IF(BOOST_PP_GREATER(N, 1) \
, A1 a1 = va_arg(ap, A1);, BOOST_PP_EMPTY()) \
BOOST_PP_IF(BOOST_PP_GREATER(N, 2) \
, A2 a2 = va_arg(ap, A2);, BOOST_PP_EMPTY()) \
BOOST_PP_IF(BOOST_PP_GREATER(N, 3) \
, A3 a3 = va_arg(ap, A3);, BOOST_PP_EMPTY()) \
return new T( \
BOOST_PP_IF(BOOST_PP_GREATER(N, 0) \
, a0, BOOST_PP_EMPTY()) \
BOOST_PP_IF(BOOST_PP_GREATER(N, 1)) \
, BOOST_PP_COMMA, BOOST_PP_EMPTY)() \
BOOST_PP_IF(BOOST_PP_GREATER(N, 1) \
, a1, BOOST_PP_EMPTY()) \
BOOST_PP_IF(BOOST_PP_GREATER(N, 2)) \
, BOOST_PP_COMMA, BOOST_PP_EMPTY)() \
BOOST_PP_IF(BOOST_PP_GREATER(N, 2) \
, a2, BOOST_PP_EMPTY()) \
BOOST_PP_IF(BOOST_PP_GREATER(N, 3)) \
, BOOST_PP_COMMA, BOOST_PP_EMPTY)() \
BOOST_PP_IF(BOOST_PP_GREATER(N, 3) \
, a3, BOOST_PP_EMPTY()) \
); \
} \
} \
} /**/
#define BOOST_SERIALIZATION_FACTORY_4(T, A0, A1, A2, A3) \
BOOST_SERIALIZATION_FACTORY(4, T, A0, A1, A2, A3)
#define BOOST_SERIALIZATION_FACTORY_3(T, A0, A1, A2) \
BOOST_SERIALIZATION_FACTORY(3, T, A0, A1, A2, 0)
#define BOOST_SERIALIZATION_FACTORY_2(T, A0, A1) \
BOOST_SERIALIZATION_FACTORY(2, T, A0, A1, 0, 0)
#define BOOST_SERIALIZATION_FACTORY_1(T, A0) \
BOOST_SERIALIZATION_FACTORY(1, T, A0, 0, 0, 0)
#define BOOST_SERIALIZATION_FACTORY_0(T) \
namespace boost { \
namespace serialization { \
template<> \
T * factory<T, 0>(std::va_list){ \
return new T(); \
} \
} \
} \
/**/
#endif // BOOST_SERIALIZATION_FACTORY_HPP