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1 | |
2 | #ifndef BOOST_MPL_AUX_INSERTER_ALGORITHM_HPP_INCLUDED | |
3 | #define BOOST_MPL_AUX_INSERTER_ALGORITHM_HPP_INCLUDED | |
4 | ||
5 | // Copyright Aleksey Gurtovoy 2003-2004 | |
6 | // Copyright David Abrahams 2003-2004 | |
7 | // | |
8 | // Distributed under the Boost Software License, Version 1.0. | |
9 | // (See accompanying file LICENSE_1_0.txt or copy at | |
10 | // http://www.boost.org/LICENSE_1_0.txt) | |
11 | // | |
12 | // See http://www.boost.org/libs/mpl for documentation. | |
13 | ||
14 | // $Id$ | |
15 | // $Date$ | |
16 | // $Revision$ | |
17 | ||
18 | #include <boost/mpl/back_inserter.hpp> | |
19 | #include <boost/mpl/front_inserter.hpp> | |
20 | #include <boost/mpl/push_back.hpp> | |
21 | #include <boost/mpl/push_front.hpp> | |
22 | #include <boost/mpl/back_inserter.hpp> | |
23 | #include <boost/mpl/front_inserter.hpp> | |
24 | #include <boost/mpl/clear.hpp> | |
25 | #include <boost/mpl/eval_if.hpp> | |
26 | #include <boost/mpl/if.hpp> | |
27 | #include <boost/mpl/aux_/na.hpp> | |
28 | #include <boost/mpl/aux_/common_name_wknd.hpp> | |
29 | #include <boost/mpl/aux_/na_spec.hpp> | |
30 | #include <boost/mpl/aux_/preprocessor/params.hpp> | |
31 | #include <boost/mpl/aux_/preprocessor/default_params.hpp> | |
32 | #include <boost/mpl/aux_/config/ctps.hpp> | |
33 | ||
34 | #include <boost/preprocessor/arithmetic/dec.hpp> | |
35 | ||
36 | #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | |
37 | ||
38 | # define BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(arity, name) \ | |
39 | BOOST_MPL_AUX_COMMON_NAME_WKND(name) \ | |
40 | template< \ | |
41 | BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \ | |
42 | > \ | |
43 | struct name \ | |
44 | : aux::name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \ | |
45 | { \ | |
46 | }; \ | |
47 | \ | |
48 | template< \ | |
49 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \ | |
50 | > \ | |
51 | struct name< BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P),na > \ | |
52 | : if_< has_push_back< typename clear<P1>::type> \ | |
53 | , aux::name##_impl< \ | |
54 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \ | |
55 | , back_inserter< typename clear<P1>::type > \ | |
56 | > \ | |
57 | , aux::reverse_##name##_impl< \ | |
58 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \ | |
59 | , front_inserter< typename clear<P1>::type > \ | |
60 | > \ | |
61 | >::type \ | |
62 | { \ | |
63 | }; \ | |
64 | \ | |
65 | template< \ | |
66 | BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \ | |
67 | > \ | |
68 | struct reverse_##name \ | |
69 | : aux::reverse_##name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \ | |
70 | { \ | |
71 | }; \ | |
72 | \ | |
73 | template< \ | |
74 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \ | |
75 | > \ | |
76 | struct reverse_##name< BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P),na > \ | |
77 | : if_< has_push_back<P1> \ | |
78 | , aux::reverse_##name##_impl< \ | |
79 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \ | |
80 | , back_inserter< typename clear<P1>::type > \ | |
81 | > \ | |
82 | , aux::name##_impl< \ | |
83 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \ | |
84 | , front_inserter< typename clear<P1>::type > \ | |
85 | > \ | |
86 | >::type \ | |
87 | { \ | |
88 | }; \ | |
89 | BOOST_MPL_AUX_NA_SPEC(arity, name) \ | |
90 | BOOST_MPL_AUX_NA_SPEC(arity, reverse_##name) \ | |
91 | /**/ | |
92 | ||
93 | #else | |
94 | ||
95 | # define BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(arity, name) \ | |
96 | BOOST_MPL_AUX_COMMON_NAME_WKND(name) \ | |
97 | template< \ | |
98 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \ | |
99 | > \ | |
100 | struct def_##name##_impl \ | |
101 | : if_< has_push_back<P1> \ | |
102 | , aux::name##_impl< \ | |
103 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \ | |
104 | , back_inserter< typename clear<P1>::type > \ | |
105 | > \ | |
106 | , aux::reverse_##name##_impl< \ | |
107 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \ | |
108 | , front_inserter< typename clear<P1>::type > \ | |
109 | > \ | |
110 | >::type \ | |
111 | { \ | |
112 | }; \ | |
113 | \ | |
114 | template< \ | |
115 | BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \ | |
116 | > \ | |
117 | struct name \ | |
118 | { \ | |
119 | typedef typename eval_if< \ | |
120 | is_na<BOOST_PP_CAT(P, arity)> \ | |
121 | , def_##name##_impl<BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P)> \ | |
122 | , aux::name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \ | |
123 | >::type type; \ | |
124 | }; \ | |
125 | \ | |
126 | template< \ | |
127 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \ | |
128 | > \ | |
129 | struct def_reverse_##name##_impl \ | |
130 | : if_< has_push_back<P1> \ | |
131 | , aux::reverse_##name##_impl< \ | |
132 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \ | |
133 | , back_inserter< typename clear<P1>::type > \ | |
134 | > \ | |
135 | , aux::name##_impl< \ | |
136 | BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \ | |
137 | , front_inserter< typename clear<P1>::type > \ | |
138 | > \ | |
139 | >::type \ | |
140 | { \ | |
141 | }; \ | |
142 | template< \ | |
143 | BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \ | |
144 | > \ | |
145 | struct reverse_##name \ | |
146 | { \ | |
147 | typedef typename eval_if< \ | |
148 | is_na<BOOST_PP_CAT(P, arity)> \ | |
149 | , def_reverse_##name##_impl<BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P)> \ | |
150 | , aux::reverse_##name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \ | |
151 | >::type type; \ | |
152 | }; \ | |
153 | BOOST_MPL_AUX_NA_SPEC(arity, name) \ | |
154 | BOOST_MPL_AUX_NA_SPEC(arity, reverse_##name) \ | |
155 | /**/ | |
156 | ||
157 | #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION | |
158 | ||
159 | #endif // BOOST_MPL_AUX_INSERTER_ALGORITHM_HPP_INCLUDED |