1 | /* -*- mode: C++; indent-tabs-mode: nil; -*- |
---|
2 | * |
---|
3 | * This file is a part of LEMON, a generic C++ optimization library. |
---|
4 | * |
---|
5 | * Copyright (C) 2003-2009 |
---|
6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
---|
8 | * |
---|
9 | * Permission to use, modify and distribute this software is granted |
---|
10 | * provided that this copyright notice appears in all copies. For |
---|
11 | * precise terms see the accompanying LICENSE file. |
---|
12 | * |
---|
13 | * This software is provided "AS IS" with no warranty of any kind, |
---|
14 | * express or implied, and with no claim as to its suitability for any |
---|
15 | * purpose. |
---|
16 | * |
---|
17 | */ |
---|
18 | |
---|
19 | #ifndef LEMON_BITS_TRAITS_H |
---|
20 | #define LEMON_BITS_TRAITS_H |
---|
21 | |
---|
22 | //\file |
---|
23 | //\brief Traits for graphs and maps |
---|
24 | // |
---|
25 | |
---|
26 | #include <lemon/bits/enable_if.h> |
---|
27 | |
---|
28 | namespace lemon { |
---|
29 | |
---|
30 | struct InvalidType {}; |
---|
31 | |
---|
32 | template <typename GR, typename _Item> |
---|
33 | class ItemSetTraits {}; |
---|
34 | |
---|
35 | |
---|
36 | template <typename GR, typename Enable = void> |
---|
37 | struct NodeNotifierIndicator { |
---|
38 | typedef InvalidType Type; |
---|
39 | }; |
---|
40 | template <typename GR> |
---|
41 | struct NodeNotifierIndicator< |
---|
42 | GR, |
---|
43 | typename enable_if<typename GR::NodeNotifier::Notifier, void>::type |
---|
44 | > { |
---|
45 | typedef typename GR::NodeNotifier Type; |
---|
46 | }; |
---|
47 | |
---|
48 | template <typename GR> |
---|
49 | class ItemSetTraits<GR, typename GR::Node> { |
---|
50 | public: |
---|
51 | |
---|
52 | typedef GR Graph; |
---|
53 | typedef GR Digraph; |
---|
54 | |
---|
55 | typedef typename GR::Node Item; |
---|
56 | typedef typename GR::NodeIt ItemIt; |
---|
57 | |
---|
58 | typedef typename NodeNotifierIndicator<GR>::Type ItemNotifier; |
---|
59 | |
---|
60 | template <typename V> |
---|
61 | class Map : public GR::template NodeMap<V> { |
---|
62 | typedef typename GR::template NodeMap<V> Parent; |
---|
63 | |
---|
64 | public: |
---|
65 | typedef typename GR::template NodeMap<V> Type; |
---|
66 | typedef typename Parent::Value Value; |
---|
67 | |
---|
68 | Map(const GR& _digraph) : Parent(_digraph) {} |
---|
69 | Map(const GR& _digraph, const Value& _value) |
---|
70 | : Parent(_digraph, _value) {} |
---|
71 | |
---|
72 | }; |
---|
73 | |
---|
74 | }; |
---|
75 | |
---|
76 | template <typename GR, typename Enable = void> |
---|
77 | struct ArcNotifierIndicator { |
---|
78 | typedef InvalidType Type; |
---|
79 | }; |
---|
80 | template <typename GR> |
---|
81 | struct ArcNotifierIndicator< |
---|
82 | GR, |
---|
83 | typename enable_if<typename GR::ArcNotifier::Notifier, void>::type |
---|
84 | > { |
---|
85 | typedef typename GR::ArcNotifier Type; |
---|
86 | }; |
---|
87 | |
---|
88 | template <typename GR> |
---|
89 | class ItemSetTraits<GR, typename GR::Arc> { |
---|
90 | public: |
---|
91 | |
---|
92 | typedef GR Graph; |
---|
93 | typedef GR Digraph; |
---|
94 | |
---|
95 | typedef typename GR::Arc Item; |
---|
96 | typedef typename GR::ArcIt ItemIt; |
---|
97 | |
---|
98 | typedef typename ArcNotifierIndicator<GR>::Type ItemNotifier; |
---|
99 | |
---|
100 | template <typename V> |
---|
101 | class Map : public GR::template ArcMap<V> { |
---|
102 | typedef typename GR::template ArcMap<V> Parent; |
---|
103 | |
---|
104 | public: |
---|
105 | typedef typename GR::template ArcMap<V> Type; |
---|
106 | typedef typename Parent::Value Value; |
---|
107 | |
---|
108 | Map(const GR& _digraph) : Parent(_digraph) {} |
---|
109 | Map(const GR& _digraph, const Value& _value) |
---|
110 | : Parent(_digraph, _value) {} |
---|
111 | }; |
---|
112 | |
---|
113 | }; |
---|
114 | |
---|
115 | template <typename GR, typename Enable = void> |
---|
116 | struct EdgeNotifierIndicator { |
---|
117 | typedef InvalidType Type; |
---|
118 | }; |
---|
119 | template <typename GR> |
---|
120 | struct EdgeNotifierIndicator< |
---|
121 | GR, |
---|
122 | typename enable_if<typename GR::EdgeNotifier::Notifier, void>::type |
---|
123 | > { |
---|
124 | typedef typename GR::EdgeNotifier Type; |
---|
125 | }; |
---|
126 | |
---|
127 | template <typename GR> |
---|
128 | class ItemSetTraits<GR, typename GR::Edge> { |
---|
129 | public: |
---|
130 | |
---|
131 | typedef GR Graph; |
---|
132 | typedef GR Digraph; |
---|
133 | |
---|
134 | typedef typename GR::Edge Item; |
---|
135 | typedef typename GR::EdgeIt ItemIt; |
---|
136 | |
---|
137 | typedef typename EdgeNotifierIndicator<GR>::Type ItemNotifier; |
---|
138 | |
---|
139 | template <typename V> |
---|
140 | class Map : public GR::template EdgeMap<V> { |
---|
141 | typedef typename GR::template EdgeMap<V> Parent; |
---|
142 | |
---|
143 | public: |
---|
144 | typedef typename GR::template EdgeMap<V> Type; |
---|
145 | typedef typename Parent::Value Value; |
---|
146 | |
---|
147 | Map(const GR& _digraph) : Parent(_digraph) {} |
---|
148 | Map(const GR& _digraph, const Value& _value) |
---|
149 | : Parent(_digraph, _value) {} |
---|
150 | }; |
---|
151 | |
---|
152 | }; |
---|
153 | |
---|
154 | template <typename Map, typename Enable = void> |
---|
155 | struct MapTraits { |
---|
156 | typedef False ReferenceMapTag; |
---|
157 | |
---|
158 | typedef typename Map::Key Key; |
---|
159 | typedef typename Map::Value Value; |
---|
160 | |
---|
161 | typedef Value ConstReturnValue; |
---|
162 | typedef Value ReturnValue; |
---|
163 | }; |
---|
164 | |
---|
165 | template <typename Map> |
---|
166 | struct MapTraits< |
---|
167 | Map, typename enable_if<typename Map::ReferenceMapTag, void>::type > |
---|
168 | { |
---|
169 | typedef True ReferenceMapTag; |
---|
170 | |
---|
171 | typedef typename Map::Key Key; |
---|
172 | typedef typename Map::Value Value; |
---|
173 | |
---|
174 | typedef typename Map::ConstReference ConstReturnValue; |
---|
175 | typedef typename Map::Reference ReturnValue; |
---|
176 | |
---|
177 | typedef typename Map::ConstReference ConstReference; |
---|
178 | typedef typename Map::Reference Reference; |
---|
179 | }; |
---|
180 | |
---|
181 | template <typename MatrixMap, typename Enable = void> |
---|
182 | struct MatrixMapTraits { |
---|
183 | typedef False ReferenceMapTag; |
---|
184 | |
---|
185 | typedef typename MatrixMap::FirstKey FirstKey; |
---|
186 | typedef typename MatrixMap::SecondKey SecondKey; |
---|
187 | typedef typename MatrixMap::Value Value; |
---|
188 | |
---|
189 | typedef Value ConstReturnValue; |
---|
190 | typedef Value ReturnValue; |
---|
191 | }; |
---|
192 | |
---|
193 | template <typename MatrixMap> |
---|
194 | struct MatrixMapTraits< |
---|
195 | MatrixMap, typename enable_if<typename MatrixMap::ReferenceMapTag, |
---|
196 | void>::type > |
---|
197 | { |
---|
198 | typedef True ReferenceMapTag; |
---|
199 | |
---|
200 | typedef typename MatrixMap::FirstKey FirstKey; |
---|
201 | typedef typename MatrixMap::SecondKey SecondKey; |
---|
202 | typedef typename MatrixMap::Value Value; |
---|
203 | |
---|
204 | typedef typename MatrixMap::ConstReference ConstReturnValue; |
---|
205 | typedef typename MatrixMap::Reference ReturnValue; |
---|
206 | |
---|
207 | typedef typename MatrixMap::ConstReference ConstReference; |
---|
208 | typedef typename MatrixMap::Reference Reference; |
---|
209 | }; |
---|
210 | |
---|
211 | // Indicators for the tags |
---|
212 | |
---|
213 | template <typename GR, typename Enable = void> |
---|
214 | struct NodeNumTagIndicator { |
---|
215 | static const bool value = false; |
---|
216 | }; |
---|
217 | |
---|
218 | template <typename GR> |
---|
219 | struct NodeNumTagIndicator< |
---|
220 | GR, |
---|
221 | typename enable_if<typename GR::NodeNumTag, void>::type |
---|
222 | > { |
---|
223 | static const bool value = true; |
---|
224 | }; |
---|
225 | |
---|
226 | template <typename GR, typename Enable = void> |
---|
227 | struct ArcNumTagIndicator { |
---|
228 | static const bool value = false; |
---|
229 | }; |
---|
230 | |
---|
231 | template <typename GR> |
---|
232 | struct ArcNumTagIndicator< |
---|
233 | GR, |
---|
234 | typename enable_if<typename GR::ArcNumTag, void>::type |
---|
235 | > { |
---|
236 | static const bool value = true; |
---|
237 | }; |
---|
238 | |
---|
239 | template <typename GR, typename Enable = void> |
---|
240 | struct EdgeNumTagIndicator { |
---|
241 | static const bool value = false; |
---|
242 | }; |
---|
243 | |
---|
244 | template <typename GR> |
---|
245 | struct EdgeNumTagIndicator< |
---|
246 | GR, |
---|
247 | typename enable_if<typename GR::EdgeNumTag, void>::type |
---|
248 | > { |
---|
249 | static const bool value = true; |
---|
250 | }; |
---|
251 | |
---|
252 | template <typename GR, typename Enable = void> |
---|
253 | struct FindArcTagIndicator { |
---|
254 | static const bool value = false; |
---|
255 | }; |
---|
256 | |
---|
257 | template <typename GR> |
---|
258 | struct FindArcTagIndicator< |
---|
259 | GR, |
---|
260 | typename enable_if<typename GR::FindArcTag, void>::type |
---|
261 | > { |
---|
262 | static const bool value = true; |
---|
263 | }; |
---|
264 | |
---|
265 | template <typename GR, typename Enable = void> |
---|
266 | struct FindEdgeTagIndicator { |
---|
267 | static const bool value = false; |
---|
268 | }; |
---|
269 | |
---|
270 | template <typename GR> |
---|
271 | struct FindEdgeTagIndicator< |
---|
272 | GR, |
---|
273 | typename enable_if<typename GR::FindEdgeTag, void>::type |
---|
274 | > { |
---|
275 | static const bool value = true; |
---|
276 | }; |
---|
277 | |
---|
278 | template <typename GR, typename Enable = void> |
---|
279 | struct UndirectedTagIndicator { |
---|
280 | static const bool value = false; |
---|
281 | }; |
---|
282 | |
---|
283 | template <typename GR> |
---|
284 | struct UndirectedTagIndicator< |
---|
285 | GR, |
---|
286 | typename enable_if<typename GR::UndirectedTag, void>::type |
---|
287 | > { |
---|
288 | static const bool value = true; |
---|
289 | }; |
---|
290 | |
---|
291 | template <typename GR, typename Enable = void> |
---|
292 | struct BuildTagIndicator { |
---|
293 | static const bool value = false; |
---|
294 | }; |
---|
295 | |
---|
296 | template <typename GR> |
---|
297 | struct BuildTagIndicator< |
---|
298 | GR, |
---|
299 | typename enable_if<typename GR::BuildTag, void>::type |
---|
300 | > { |
---|
301 | static const bool value = true; |
---|
302 | }; |
---|
303 | |
---|
304 | } |
---|
305 | |
---|
306 | #endif |
---|