Chris@16: #ifndef BOOST_SERIALIZATION_FACTORY_HPP
Chris@16: #define BOOST_SERIALIZATION_FACTORY_HPP
Chris@16: 
Chris@16: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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: // factory.hpp: create an instance from an extended_type_info instance.
Chris@16: 
Chris@16: // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
Chris@16: // Use, modification and distribution is subject to the Boost Software
Chris@16: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org for updates, documentation, and revision history.
Chris@16: 
Chris@16: #include <cstdarg> // valist
Chris@16: #include <cstddef> // NULL
Chris@16: 
Chris@16: #include <boost/preprocessor/control/if.hpp> 
Chris@16: #include <boost/preprocessor/comparison/greater.hpp>
Chris@16: #include <boost/preprocessor/facilities/empty.hpp>
Chris@16: 
Chris@16: namespace std{
Chris@16:     #if defined(__LIBCOMO__)
Chris@16:         using ::va_list;
Chris@16:     #endif
Chris@16: } // namespace std
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace serialization {
Chris@16: 
Chris@16: // default implementation does nothing.
Chris@16: template<class T, int N>
Chris@16: T * factory(std::va_list){
Chris@16:     BOOST_ASSERT(false);
Chris@16:     // throw exception here?
Chris@16:     return NULL;
Chris@16: }
Chris@16: 
Chris@16: } // namespace serialization
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #define BOOST_SERIALIZATION_FACTORY(N, T, A0, A1, A2, A3) \
Chris@16: namespace boost {                                         \
Chris@16: namespace serialization {                                 \
Chris@16:     template<>                                            \
Chris@16:     T * factory<T, N>(std::va_list ap){                   \
Chris@16:         BOOST_PP_IF(BOOST_PP_GREATER(N,0)                 \
Chris@16:             ,A0 a0 = va_arg(ap, A0);                      \
Chris@16:         ,BOOST_PP_IF(BOOST_PP_GREATER(N,1)                \
Chris@16:             ,A1 a1 = va_arg(ap, A1);                      \
Chris@16:         ,BOOST_PP_IF(BOOST_PP_GREATER(N,2)                \
Chris@16:             ,A2 a2 = va_arg(ap, A2);                      \
Chris@16:         ,BOOST_PP_IF(BOOST_PP_GREATER(N,3)                \
Chris@16:             ,A3 a3 = va_arg(ap, A3);                      \
Chris@16:             ,BOOST_PP_EMPTY()                             \
Chris@16:         ))))                                              \
Chris@16:         return new T(                                     \
Chris@16:             BOOST_PP_IF(BOOST_PP_GREATER(N,0)             \
Chris@16:                 ,a0                                       \
Chris@16:             ,BOOST_PP_IF(BOOST_PP_GREATER(N,1)            \
Chris@16:                 ,a1                                       \
Chris@16:             ,BOOST_PP_IF(BOOST_PP_GREATER(N,2)            \
Chris@16:                 ,a2                                       \
Chris@16:             ,BOOST_PP_IF(BOOST_PP_GREATER(N,3)            \
Chris@16:                 ,a3                                       \
Chris@16:                 ,BOOST_PP_EMPTY()                         \
Chris@16:             ))))                                          \
Chris@16:         );                                                \
Chris@16:     }                                                     \
Chris@16: }                                                         \
Chris@16: }                                                         \
Chris@16: /**/
Chris@16: 
Chris@16: #define BOOST_SERIALIZATION_FACTORY_4(T, A0, A1, A2, A3) \
Chris@16:     BOOST_SERIALIZATION_FACTORY(4, T, A0, A1, A2, A3)
Chris@16: 
Chris@16: #define BOOST_SERIALIZATION_FACTORY_3(T, A0, A1, A2)     \
Chris@16:     BOOST_SERIALIZATION_FACTORY(3, T, A0, A1, A2, 0)
Chris@16: 
Chris@16: #define BOOST_SERIALIZATION_FACTORY_2(T, A0, A1)         \
Chris@16:     BOOST_SERIALIZATION_FACTORY(2, T, A0, A1, 0, 0)
Chris@16: 
Chris@16: #define BOOST_SERIALIZATION_FACTORY_1(T, A0)             \
Chris@16:     BOOST_SERIALIZATION_FACTORY(1, T, A0, 0, 0, 0)
Chris@16: 
Chris@16: #define BOOST_SERIALIZATION_FACTORY_0(T)                 \
Chris@16: namespace boost {                                        \
Chris@16: namespace serialization {                                \
Chris@16:     template<>                                           \
Chris@16:     T * factory<T, 0>(std::va_list){                     \
Chris@16:         return new T();                                  \
Chris@16:     }                                                    \
Chris@16: }                                                        \
Chris@16: }                                                        \
Chris@16: /**/
Chris@16: 
Chris@16: #endif // BOOST_SERIALIZATION_FACTORY_HPP