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 |
160 | |