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1 | |
2 | // Copyright Aleksey Gurtovoy 2000-2004 | |
3 | // | |
4 | // Distributed under the Boost Software License, Version 1.0. | |
5 | // (See accompanying file LICENSE_1_0.txt or copy at | |
6 | // http://www.boost.org/LICENSE_1_0.txt) | |
7 | // | |
8 | ||
9 | // Preprocessed version of "boost/mpl/aux_/iter_fold_impl.hpp" header | |
10 | // -- DO NOT modify by hand! | |
11 | ||
12 | namespace boost { namespace mpl { namespace aux { | |
13 | ||
14 | /// forward declaration | |
15 | ||
16 | template< | |
17 | int N | |
18 | , typename First | |
19 | , typename Last | |
20 | , typename State | |
21 | , typename ForwardOp | |
22 | > | |
23 | struct iter_fold_impl; | |
24 | ||
25 | template< int N > | |
26 | struct iter_fold_chunk; | |
27 | ||
28 | template<> struct iter_fold_chunk<0> | |
29 | { | |
30 | template< | |
31 | typename First | |
32 | , typename Last | |
33 | , typename State | |
34 | , typename ForwardOp | |
35 | > | |
36 | struct result_ | |
37 | { | |
38 | typedef First iter0; | |
39 | typedef State state0; | |
40 | typedef state0 state; | |
41 | typedef iter0 iterator; | |
42 | }; | |
43 | }; | |
44 | ||
45 | template<> struct iter_fold_chunk<1> | |
46 | { | |
47 | template< | |
48 | typename First | |
49 | , typename Last | |
50 | , typename State | |
51 | , typename ForwardOp | |
52 | > | |
53 | struct result_ | |
54 | { | |
55 | typedef First iter0; | |
56 | typedef State state0; | |
57 | typedef typename apply2< ForwardOp,state0,iter0 >::type state1; | |
58 | typedef typename mpl::next<iter0>::type iter1; | |
59 | ||
60 | ||
61 | typedef state1 state; | |
62 | typedef iter1 iterator; | |
63 | }; | |
64 | }; | |
65 | ||
66 | template<> struct iter_fold_chunk<2> | |
67 | { | |
68 | template< | |
69 | typename First | |
70 | , typename Last | |
71 | , typename State | |
72 | , typename ForwardOp | |
73 | > | |
74 | struct result_ | |
75 | { | |
76 | typedef First iter0; | |
77 | typedef State state0; | |
78 | typedef typename apply2< ForwardOp,state0,iter0 >::type state1; | |
79 | typedef typename mpl::next<iter0>::type iter1; | |
80 | typedef typename apply2< ForwardOp,state1,iter1 >::type state2; | |
81 | typedef typename mpl::next<iter1>::type iter2; | |
82 | ||
83 | ||
84 | typedef state2 state; | |
85 | typedef iter2 iterator; | |
86 | }; | |
87 | }; | |
88 | ||
89 | template<> struct iter_fold_chunk<3> | |
90 | { | |
91 | template< | |
92 | typename First | |
93 | , typename Last | |
94 | , typename State | |
95 | , typename ForwardOp | |
96 | > | |
97 | struct result_ | |
98 | { | |
99 | typedef First iter0; | |
100 | typedef State state0; | |
101 | typedef typename apply2< ForwardOp,state0,iter0 >::type state1; | |
102 | typedef typename mpl::next<iter0>::type iter1; | |
103 | typedef typename apply2< ForwardOp,state1,iter1 >::type state2; | |
104 | typedef typename mpl::next<iter1>::type iter2; | |
105 | typedef typename apply2< ForwardOp,state2,iter2 >::type state3; | |
106 | typedef typename mpl::next<iter2>::type iter3; | |
107 | ||
108 | ||
109 | typedef state3 state; | |
110 | typedef iter3 iterator; | |
111 | }; | |
112 | }; | |
113 | ||
114 | template<> struct iter_fold_chunk<4> | |
115 | { | |
116 | template< | |
117 | typename First | |
118 | , typename Last | |
119 | , typename State | |
120 | , typename ForwardOp | |
121 | > | |
122 | struct result_ | |
123 | { | |
124 | typedef First iter0; | |
125 | typedef State state0; | |
126 | typedef typename apply2< ForwardOp,state0,iter0 >::type state1; | |
127 | typedef typename mpl::next<iter0>::type iter1; | |
128 | typedef typename apply2< ForwardOp,state1,iter1 >::type state2; | |
129 | typedef typename mpl::next<iter1>::type iter2; | |
130 | typedef typename apply2< ForwardOp,state2,iter2 >::type state3; | |
131 | typedef typename mpl::next<iter2>::type iter3; | |
132 | typedef typename apply2< ForwardOp,state3,iter3 >::type state4; | |
133 | typedef typename mpl::next<iter3>::type iter4; | |
134 | ||
135 | ||
136 | typedef state4 state; | |
137 | typedef iter4 iterator; | |
138 | }; | |
139 | }; | |
140 | ||
141 | template< int N > | |
142 | struct iter_fold_chunk | |
143 | { | |
144 | template< | |
145 | typename First | |
146 | , typename Last | |
147 | , typename State | |
148 | , typename ForwardOp | |
149 | > | |
150 | struct result_ | |
151 | { | |
152 | typedef iter_fold_impl< | |
153 | 4 | |
154 | , First | |
155 | , Last | |
156 | , State | |
157 | , ForwardOp | |
158 | > chunk_; | |
159 | ||
160 | typedef iter_fold_impl< | |
161 | ( (N - 4) < 0 ? 0 : N - 4 ) | |
162 | , typename chunk_::iterator | |
163 | , Last | |
164 | , typename chunk_::state | |
165 | , ForwardOp | |
166 | > res_; | |
167 | ||
168 | typedef typename res_::state state; | |
169 | typedef typename res_::iterator iterator; | |
170 | }; | |
171 | }; | |
172 | ||
173 | template< | |
174 | typename First | |
175 | , typename Last | |
176 | , typename State | |
177 | , typename ForwardOp | |
178 | > | |
179 | struct iter_fold_step; | |
180 | ||
181 | template< | |
182 | typename Last | |
183 | , typename State | |
184 | > | |
185 | struct iter_fold_null_step | |
186 | { | |
187 | typedef Last iterator; | |
188 | typedef State state; | |
189 | }; | |
190 | ||
191 | template<> | |
192 | struct iter_fold_chunk< -1 > | |
193 | { | |
194 | template< | |
195 | typename First | |
196 | , typename Last | |
197 | , typename State | |
198 | , typename ForwardOp | |
199 | > | |
200 | struct result_ | |
201 | { | |
202 | typedef typename if_< | |
203 | typename is_same< First,Last >::type | |
204 | , iter_fold_null_step< Last,State > | |
205 | , iter_fold_step< First,Last,State,ForwardOp > | |
206 | >::type res_; | |
207 | ||
208 | typedef typename res_::state state; | |
209 | typedef typename res_::iterator iterator; | |
210 | }; | |
211 | }; | |
212 | ||
213 | template< | |
214 | typename First | |
215 | , typename Last | |
216 | , typename State | |
217 | , typename ForwardOp | |
218 | > | |
219 | struct iter_fold_step | |
220 | { | |
221 | typedef iter_fold_chunk< -1 >::template result_< | |
222 | typename mpl::next<First>::type | |
223 | , Last | |
224 | , typename apply2< ForwardOp,State,First >::type | |
225 | , ForwardOp | |
226 | > chunk_; | |
227 | ||
228 | typedef typename chunk_::state state; | |
229 | typedef typename chunk_::iterator iterator; | |
230 | }; | |
231 | ||
232 | template< | |
233 | int N | |
234 | , typename First | |
235 | , typename Last | |
236 | , typename State | |
237 | , typename ForwardOp | |
238 | > | |
239 | struct iter_fold_impl | |
240 | : iter_fold_chunk<N> | |
241 | ::template result_< First,Last,State,ForwardOp > | |
242 | { | |
243 | }; | |
244 | ||
245 | }}} |