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1 | |
2 | // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION | |
3 | ||
4 | #if defined(BOOST_PP_IS_ITERATING) | |
5 | ||
6 | // Copyright Aleksey Gurtovoy 2000-2004 | |
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/preprocessor/enum_params.hpp> | |
19 | #include <boost/preprocessor/enum_shifted_params.hpp> | |
20 | #include <boost/preprocessor/comma_if.hpp> | |
21 | #include <boost/preprocessor/repeat.hpp> | |
22 | #include <boost/preprocessor/dec.hpp> | |
23 | #include <boost/preprocessor/cat.hpp> | |
24 | ||
25 | #define i_ BOOST_PP_FRAME_ITERATION(1) | |
26 | ||
27 | #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES) | |
28 | ||
29 | # define AUX778076_VECTOR_TAIL(vector, i_, T) \ | |
30 | BOOST_PP_CAT(vector,i_)< \ | |
31 | BOOST_PP_ENUM_PARAMS(i_, T) \ | |
32 | > \ | |
33 | /**/ | |
34 | ||
35 | #if i_ > 0 | |
36 | template< | |
37 | BOOST_PP_ENUM_PARAMS(i_, typename T) | |
38 | > | |
39 | struct BOOST_PP_CAT(vector,i_) | |
40 | : v_item< | |
41 | BOOST_PP_CAT(T,BOOST_PP_DEC(i_)) | |
42 | , AUX778076_VECTOR_TAIL(vector,BOOST_PP_DEC(i_),T) | |
43 | > | |
44 | { | |
45 | typedef BOOST_PP_CAT(vector,i_) type; | |
46 | }; | |
47 | #endif | |
48 | ||
49 | # undef AUX778076_VECTOR_TAIL | |
50 | ||
51 | #else // "brute force" implementation | |
52 | ||
53 | # if i_ > 0 | |
54 | ||
55 | template< | |
56 | BOOST_PP_ENUM_PARAMS(i_, typename T) | |
57 | > | |
58 | struct BOOST_PP_CAT(vector,i_) | |
59 | { | |
60 | typedef aux::vector_tag<i_> tag; | |
61 | typedef BOOST_PP_CAT(vector,i_) type; | |
62 | ||
63 | # define AUX778076_VECTOR_ITEM(unused, i_, unused2) \ | |
64 | typedef BOOST_PP_CAT(T,i_) BOOST_PP_CAT(item,i_); \ | |
65 | /**/ | |
66 | ||
67 | BOOST_PP_REPEAT(i_, AUX778076_VECTOR_ITEM, unused) | |
68 | # undef AUX778076_VECTOR_ITEM | |
69 | typedef void_ BOOST_PP_CAT(item,i_); | |
70 | typedef BOOST_PP_CAT(T,BOOST_PP_DEC(i_)) back; | |
71 | ||
72 | // Borland forces us to use 'type' here (instead of the class name) | |
73 | typedef v_iter<type,0> begin; | |
74 | typedef v_iter<type,i_> end; | |
75 | }; | |
76 | ||
77 | template<> | |
78 | struct push_front_impl< aux::vector_tag<BOOST_PP_DEC(i_)> > | |
79 | { | |
80 | template< typename Vector, typename T > struct apply | |
81 | { | |
82 | typedef BOOST_PP_CAT(vector,i_)< | |
83 | T | |
84 | BOOST_PP_COMMA_IF(BOOST_PP_DEC(i_)) | |
85 | BOOST_PP_ENUM_PARAMS(BOOST_PP_DEC(i_), typename Vector::item) | |
86 | > type; | |
87 | }; | |
88 | }; | |
89 | ||
90 | template<> | |
91 | struct pop_front_impl< aux::vector_tag<i_> > | |
92 | { | |
93 | template< typename Vector > struct apply | |
94 | { | |
95 | typedef BOOST_PP_CAT(vector,BOOST_PP_DEC(i_))< | |
96 | BOOST_PP_ENUM_SHIFTED_PARAMS(i_, typename Vector::item) | |
97 | > type; | |
98 | }; | |
99 | }; | |
100 | ||
101 | ||
102 | template<> | |
103 | struct push_back_impl< aux::vector_tag<BOOST_PP_DEC(i_)> > | |
104 | { | |
105 | template< typename Vector, typename T > struct apply | |
106 | { | |
107 | typedef BOOST_PP_CAT(vector,i_)< | |
108 | BOOST_PP_ENUM_PARAMS(BOOST_PP_DEC(i_), typename Vector::item) | |
109 | BOOST_PP_COMMA_IF(BOOST_PP_DEC(i_)) | |
110 | T | |
111 | > type; | |
112 | }; | |
113 | }; | |
114 | ||
115 | template<> | |
116 | struct pop_back_impl< aux::vector_tag<i_> > | |
117 | { | |
118 | template< typename Vector > struct apply | |
119 | { | |
120 | typedef BOOST_PP_CAT(vector,BOOST_PP_DEC(i_))< | |
121 | BOOST_PP_ENUM_PARAMS(BOOST_PP_DEC(i_), typename Vector::item) | |
122 | > type; | |
123 | }; | |
124 | }; | |
125 | ||
126 | # endif // i_ > 0 | |
127 | ||
128 | # if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ | |
129 | && !defined(BOOST_MPL_CFG_NO_NONTYPE_TEMPLATE_PARTIAL_SPEC) | |
130 | ||
131 | template< typename V > | |
132 | struct v_at<V,i_> | |
133 | { | |
134 | typedef typename V::BOOST_PP_CAT(item,i_) type; | |
135 | }; | |
136 | ||
137 | # else | |
138 | ||
139 | namespace aux { | |
140 | template<> struct v_at_impl<i_> | |
141 | { | |
142 | template< typename V_ > struct result_ | |
143 | { | |
144 | typedef typename V_::BOOST_PP_CAT(item,i_) type; | |
145 | }; | |
146 | }; | |
147 | } | |
148 | ||
149 | template<> | |
150 | struct at_impl< aux::vector_tag<i_> > | |
151 | { | |
152 | template< typename V_, typename N > struct apply | |
153 | { | |
154 | typedef typename aux::v_at_impl<BOOST_MPL_AUX_VALUE_WKND(N)::value> | |
155 | ::template result_<V_>::type type; | |
156 | }; | |
157 | }; | |
158 | ||
159 | #if i_ > 0 | |
160 | template<> | |
161 | struct front_impl< aux::vector_tag<i_> > | |
162 | { | |
163 | template< typename Vector > struct apply | |
164 | { | |
165 | typedef typename Vector::item0 type; | |
166 | }; | |
167 | }; | |
168 | ||
169 | template<> | |
170 | struct back_impl< aux::vector_tag<i_> > | |
171 | { | |
172 | template< typename Vector > struct apply | |
173 | { | |
174 | typedef typename Vector::back type; | |
175 | }; | |
176 | }; | |
177 | ||
178 | template<> | |
179 | struct empty_impl< aux::vector_tag<i_> > | |
180 | { | |
181 | template< typename Vector > struct apply | |
182 | : false_ | |
183 | { | |
184 | }; | |
185 | }; | |
186 | #endif | |
187 | ||
188 | template<> | |
189 | struct size_impl< aux::vector_tag<i_> > | |
190 | { | |
191 | template< typename Vector > struct apply | |
192 | : long_<i_> | |
193 | { | |
194 | }; | |
195 | }; | |
196 | ||
197 | template<> | |
198 | struct O1_size_impl< aux::vector_tag<i_> > | |
199 | : size_impl< aux::vector_tag<i_> > | |
200 | { | |
201 | }; | |
202 | ||
203 | template<> | |
204 | struct clear_impl< aux::vector_tag<i_> > | |
205 | { | |
206 | template< typename Vector > struct apply | |
207 | { | |
208 | typedef vector0<> type; | |
209 | }; | |
210 | }; | |
211 | ||
212 | # endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION | |
213 | ||
214 | #endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES | |
215 | ||
216 | #undef i_ | |
217 | ||
218 | #endif // BOOST_PP_IS_ITERATING |