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101 lines
4.0 KiB
101 lines
4.0 KiB
#ifndef BOOST_SERIALIZATION_FACTORY_HPP |
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#define BOOST_SERIALIZATION_FACTORY_HPP |
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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// MS compatible compilers support #pragma once |
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#if defined(_MSC_VER) && (_MSC_VER >= 1020) |
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# pragma once |
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#endif |
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// factory.hpp: create an instance from an extended_type_info instance. |
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . |
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// Use, modification and distribution is subject to the Boost Software |
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// See http://www.boost.org for updates, documentation, and revision history. |
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#include <cstdarg> // valist |
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#include <cstddef> // NULL |
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#include <boost/preprocessor/control/if.hpp> |
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#include <boost/preprocessor/comparison/greater.hpp> |
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#include <boost/preprocessor/facilities/empty.hpp> |
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namespace std{ |
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#if defined(__LIBCOMO__) || defined(__QNXNTO__) |
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using ::va_list; |
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#endif |
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} // namespace std |
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namespace boost { |
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namespace serialization { |
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// default implementation does nothing. |
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template<class T, int N> |
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T * factory(std::va_list){ |
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BOOST_ASSERT(false); |
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// throw exception here? |
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return NULL; |
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} |
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} // namespace serialization |
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} // namespace boost |
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#define BOOST_SERIALIZATION_FACTORY(N, T, A0, A1, A2, A3) \ |
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namespace boost { \ |
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namespace serialization { \ |
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template<> \ |
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T * factory<T, N>(std::va_list ap){ \ |
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BOOST_PP_IF(BOOST_PP_GREATER(N,0) \ |
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,A0 a0 = va_arg(ap, A0); \ |
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,BOOST_PP_IF(BOOST_PP_GREATER(N,1) \ |
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,A1 a1 = va_arg(ap, A1); \ |
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,BOOST_PP_IF(BOOST_PP_GREATER(N,2) \ |
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,A2 a2 = va_arg(ap, A2); \ |
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,BOOST_PP_IF(BOOST_PP_GREATER(N,3) \ |
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,A3 a3 = va_arg(ap, A3); \ |
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,BOOST_PP_EMPTY() \ |
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)))) \ |
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return new T( \ |
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BOOST_PP_IF(BOOST_PP_GREATER(N,0) \ |
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,a0 \ |
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,BOOST_PP_IF(BOOST_PP_GREATER(N,1) \ |
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,a1 \ |
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,BOOST_PP_IF(BOOST_PP_GREATER(N,2) \ |
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,a2 \ |
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,BOOST_PP_IF(BOOST_PP_GREATER(N,3) \ |
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,a3 \ |
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,BOOST_PP_EMPTY() \ |
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)))) \ |
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); \ |
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} \ |
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} \ |
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} \ |
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/**/ |
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#define BOOST_SERIALIZATION_FACTORY_4(T, A0, A1, A2, A3) \ |
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BOOST_SERIALIZATION_FACTORY(4, T, A0, A1, A2, A3) |
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#define BOOST_SERIALIZATION_FACTORY_3(T, A0, A1, A2) \ |
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BOOST_SERIALIZATION_FACTORY(3, T, A0, A1, A2, 0) |
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#define BOOST_SERIALIZATION_FACTORY_2(T, A0, A1) \ |
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BOOST_SERIALIZATION_FACTORY(2, T, A0, A1, 0, 0) |
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#define BOOST_SERIALIZATION_FACTORY_1(T, A0) \ |
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BOOST_SERIALIZATION_FACTORY(1, T, A0, 0, 0, 0) |
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#define BOOST_SERIALIZATION_FACTORY_0(T) \ |
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namespace boost { \ |
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namespace serialization { \ |
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template<> \ |
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T * factory<T, 0>(std::va_list){ \ |
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return new T(); \ |
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} \ |
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} \ |
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} \ |
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/**/ |
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#endif // BOOST_SERIALIZATION_FACTORY_HPP
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