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1 | #ifndef BOOST_SERIALIZATION_FACTORY_HPP |
2 | #define BOOST_SERIALIZATION_FACTORY_HPP | |
3 | ||
4 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 | |
5 | // MS compatible compilers support #pragma once | |
6 | #if defined(_MSC_VER) | |
7 | # pragma once | |
8 | #endif | |
9 | ||
10 | // factory.hpp: create an instance from an extended_type_info instance. | |
11 | ||
12 | // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . | |
13 | // Use, modification and distribution is subject to the Boost Software | |
14 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
15 | // http://www.boost.org/LICENSE_1_0.txt) | |
16 | ||
17 | // See http://www.boost.org for updates, documentation, and revision history. | |
18 | ||
19 | #include <cstdarg> // valist | |
20 | #include <cstddef> // NULL | |
21 | ||
22 | #include <boost/preprocessor/control/if.hpp> | |
23 | #include <boost/preprocessor/comparison/greater.hpp> | |
24 | ||
25 | namespace std{ | |
26 | #if defined(__LIBCOMO__) | |
27 | using ::va_list; | |
28 | #endif | |
29 | } // namespace std | |
30 | ||
31 | namespace boost { | |
32 | namespace serialization { | |
33 | ||
34 | // default implementation does nothing. | |
35 | template<class T, int N> | |
36 | T * factory(std::va_list){ | |
37 | BOOST_ASSERT(false); | |
38 | // throw exception here? | |
39 | return NULL; | |
40 | } | |
41 | ||
42 | } // namespace serialization | |
43 | } // namespace boost | |
44 | ||
45 | #define BOOST_SERIALIZATION_FACTORY(N, T, A0, A1, A2, A3) \ | |
46 | namespace boost { \ | |
47 | namespace serialization { \ | |
48 | template<> \ | |
49 | T * factory<T, N>(std::va_list ap){ \ | |
50 | BOOST_PP_IF(BOOST_PP_GREATER(N,0) \ | |
51 | ,A0 a0 = va_arg(ap, A0); \ | |
52 | ,BOOST_PP_IF(BOOST_PP_GREATER(N,1) \ | |
53 | ,A1 a1 = va_arg(ap, A1); \ | |
54 | ,BOOST_PP_IF(BOOST_PP_GREATER(N,2) \ | |
55 | ,A2 a2 = va_arg(ap, A2); \ | |
56 | ,BOOST_PP_IF(BOOST_PP_GREATER(N,3) \ | |
57 | ,A3 a3 = va_arg(ap, A3); \ | |
58 | ,BOOST_PP_EMPTY() \ | |
59 | )))) \ | |
60 | return new T( \ | |
61 | BOOST_PP_IF(BOOST_PP_GREATER(N,0) \ | |
62 | ,a0 \ | |
63 | ,BOOST_PP_IF(BOOST_PP_GREATER(N,1) \ | |
64 | ,a1 \ | |
65 | ,BOOST_PP_IF(BOOST_PP_GREATER(N,2) \ | |
66 | ,a2 \ | |
67 | ,BOOST_PP_IF(BOOST_PP_GREATER(N,3) \ | |
68 | ,a3 \ | |
69 | ,BOOST_PP_EMPTY() \ | |
70 | )))) \ | |
71 | ); \ | |
72 | } \ | |
73 | } \ | |
74 | } \ | |
75 | /**/ | |
76 | ||
77 | #define BOOST_SERIALIZATION_FACTORY_4(T, A0, A1, A2, A3) \ | |
78 | BOOST_SERIALIZATION_FACTORY(4, T, A0, A1, A2, A3) | |
79 | ||
80 | #define BOOST_SERIALIZATION_FACTORY_3(T, A0, A1, A2) \ | |
81 | BOOST_SERIALIZATION_FACTORY(3, T, A0, A1, A2, 0) | |
82 | ||
83 | #define BOOST_SERIALIZATION_FACTORY_2(T, A0, A1) \ | |
84 | BOOST_SERIALIZATION_FACTORY(2, T, A0, A1, 0, 0) | |
85 | ||
86 | #define BOOST_SERIALIZATION_FACTORY_1(T, A0) \ | |
87 | BOOST_SERIALIZATION_FACTORY(1, T, A0, 0, 0, 0) | |
88 | ||
89 | #define BOOST_SERIALIZATION_FACTORY_0(T) \ | |
90 | namespace boost { \ | |
91 | namespace serialization { \ | |
92 | template<> \ | |
93 | T * factory<T, 0>(std::va_list){ \ | |
94 | return new T(); \ | |
95 | } \ | |
96 | } \ | |
97 | } \ | |
98 | /**/ | |
99 | ||
100 | #endif // BOOST_SERIALIZATION_FACTORY_HPP |