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) 2003-2013 |
---|
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 | ///\ingroup graph_concepts |
---|
20 | ///\file |
---|
21 | ///\brief The concepts of graph components. |
---|
22 | |
---|
23 | #ifndef LEMON_CONCEPTS_GRAPH_COMPONENTS_H |
---|
24 | #define LEMON_CONCEPTS_GRAPH_COMPONENTS_H |
---|
25 | |
---|
26 | #include <lemon/core.h> |
---|
27 | #include <lemon/concepts/maps.h> |
---|
28 | |
---|
29 | #include <lemon/bits/alteration_notifier.h> |
---|
30 | |
---|
31 | namespace lemon { |
---|
32 | namespace concepts { |
---|
33 | |
---|
34 | /// \brief Concept class for \c Node, \c Arc and \c Edge types. |
---|
35 | /// |
---|
36 | /// This class describes the concept of \c Node, \c Arc and \c Edge |
---|
37 | /// subtypes of digraph and graph types. |
---|
38 | /// |
---|
39 | /// \note This class is a template class so that we can use it to |
---|
40 | /// create graph skeleton classes. The reason for this is that \c Node |
---|
41 | /// and \c Arc (or \c Edge) types should \e not derive from the same |
---|
42 | /// base class. For \c Node you should instantiate it with character |
---|
43 | /// \c 'n', for \c Arc with \c 'a' and for \c Edge with \c 'e'. |
---|
44 | #ifndef DOXYGEN |
---|
45 | template <char sel = '0'> |
---|
46 | #endif |
---|
47 | class GraphItem { |
---|
48 | public: |
---|
49 | /// \brief Default constructor. |
---|
50 | /// |
---|
51 | /// Default constructor. |
---|
52 | /// \warning The default constructor is not required to set |
---|
53 | /// the item to some well-defined value. So you should consider it |
---|
54 | /// as uninitialized. |
---|
55 | GraphItem() {} |
---|
56 | |
---|
57 | /// \brief Copy constructor. |
---|
58 | /// |
---|
59 | /// Copy constructor. |
---|
60 | GraphItem(const GraphItem &) {} |
---|
61 | |
---|
62 | /// \brief Constructor for conversion from \c INVALID. |
---|
63 | /// |
---|
64 | /// Constructor for conversion from \c INVALID. |
---|
65 | /// It initializes the item to be invalid. |
---|
66 | /// \sa Invalid for more details. |
---|
67 | GraphItem(Invalid) {} |
---|
68 | |
---|
69 | /// \brief Assignment operator. |
---|
70 | /// |
---|
71 | /// Assignment operator for the item. |
---|
72 | GraphItem& operator=(const GraphItem&) { return *this; } |
---|
73 | |
---|
74 | /// \brief Assignment operator for INVALID. |
---|
75 | /// |
---|
76 | /// This operator makes the item invalid. |
---|
77 | GraphItem& operator=(Invalid) { return *this; } |
---|
78 | |
---|
79 | /// \brief Equality operator. |
---|
80 | /// |
---|
81 | /// Equality operator. |
---|
82 | bool operator==(const GraphItem&) const { return false; } |
---|
83 | |
---|
84 | /// \brief Inequality operator. |
---|
85 | /// |
---|
86 | /// Inequality operator. |
---|
87 | bool operator!=(const GraphItem&) const { return false; } |
---|
88 | |
---|
89 | /// \brief Ordering operator. |
---|
90 | /// |
---|
91 | /// This operator defines an ordering of the items. |
---|
92 | /// It makes possible to use graph item types as key types in |
---|
93 | /// associative containers (e.g. \c std::map). |
---|
94 | /// |
---|
95 | /// \note This operator only has to define some strict ordering of |
---|
96 | /// the items; this order has nothing to do with the iteration |
---|
97 | /// ordering of the items. |
---|
98 | bool operator<(const GraphItem&) const { return false; } |
---|
99 | |
---|
100 | template<typename _GraphItem> |
---|
101 | struct Constraints { |
---|
102 | void constraints() { |
---|
103 | _GraphItem i1; |
---|
104 | i1=INVALID; |
---|
105 | _GraphItem i2 = i1; |
---|
106 | ::lemon::ignore_unused_variable_warning(i2); |
---|
107 | _GraphItem i3 = INVALID; |
---|
108 | |
---|
109 | i1 = i2 = i3; |
---|
110 | |
---|
111 | bool b; |
---|
112 | ::lemon::ignore_unused_variable_warning(b); |
---|
113 | |
---|
114 | b = (ia == ib) && (ia != ib); |
---|
115 | b = (ia == INVALID) && (ib != INVALID); |
---|
116 | b = (ia < ib); |
---|
117 | } |
---|
118 | |
---|
119 | const _GraphItem &ia; |
---|
120 | const _GraphItem &ib; |
---|
121 | Constraints() {} |
---|
122 | }; |
---|
123 | }; |
---|
124 | |
---|
125 | /// \brief Base skeleton class for directed graphs. |
---|
126 | /// |
---|
127 | /// This class describes the base interface of directed graph types. |
---|
128 | /// All digraph %concepts have to conform to this class. |
---|
129 | /// It just provides types for nodes and arcs and functions |
---|
130 | /// to get the source and the target nodes of arcs. |
---|
131 | class BaseDigraphComponent { |
---|
132 | public: |
---|
133 | |
---|
134 | typedef BaseDigraphComponent Digraph; |
---|
135 | |
---|
136 | /// \brief Node class of the digraph. |
---|
137 | /// |
---|
138 | /// This class represents the nodes of the digraph. |
---|
139 | typedef GraphItem<'n'> Node; |
---|
140 | |
---|
141 | /// \brief Arc class of the digraph. |
---|
142 | /// |
---|
143 | /// This class represents the arcs of the digraph. |
---|
144 | typedef GraphItem<'a'> Arc; |
---|
145 | |
---|
146 | /// \brief Return the source node of an arc. |
---|
147 | /// |
---|
148 | /// This function returns the source node of an arc. |
---|
149 | Node source(const Arc&) const { return INVALID; } |
---|
150 | |
---|
151 | /// \brief Return the target node of an arc. |
---|
152 | /// |
---|
153 | /// This function returns the target node of an arc. |
---|
154 | Node target(const Arc&) const { return INVALID; } |
---|
155 | |
---|
156 | /// \brief Return the opposite node on the given arc. |
---|
157 | /// |
---|
158 | /// This function returns the opposite node on the given arc. |
---|
159 | Node oppositeNode(const Node&, const Arc&) const { |
---|
160 | return INVALID; |
---|
161 | } |
---|
162 | |
---|
163 | template <typename _Digraph> |
---|
164 | struct Constraints { |
---|
165 | typedef typename _Digraph::Node Node; |
---|
166 | typedef typename _Digraph::Arc Arc; |
---|
167 | |
---|
168 | void constraints() { |
---|
169 | checkConcept<GraphItem<'n'>, Node>(); |
---|
170 | checkConcept<GraphItem<'a'>, Arc>(); |
---|
171 | { |
---|
172 | Node n; |
---|
173 | Arc e(INVALID); |
---|
174 | n = digraph.source(e); |
---|
175 | n = digraph.target(e); |
---|
176 | n = digraph.oppositeNode(n, e); |
---|
177 | } |
---|
178 | } |
---|
179 | |
---|
180 | const _Digraph& digraph; |
---|
181 | Constraints() {} |
---|
182 | }; |
---|
183 | }; |
---|
184 | |
---|
185 | /// \brief Base skeleton class for undirected graphs. |
---|
186 | /// |
---|
187 | /// This class describes the base interface of undirected graph types. |
---|
188 | /// All graph %concepts have to conform to this class. |
---|
189 | /// It extends the interface of \ref BaseDigraphComponent with an |
---|
190 | /// \c Edge type and functions to get the end nodes of edges, |
---|
191 | /// to convert from arcs to edges and to get both direction of edges. |
---|
192 | class BaseGraphComponent : public BaseDigraphComponent { |
---|
193 | public: |
---|
194 | |
---|
195 | typedef BaseGraphComponent Graph; |
---|
196 | |
---|
197 | typedef BaseDigraphComponent::Node Node; |
---|
198 | typedef BaseDigraphComponent::Arc Arc; |
---|
199 | |
---|
200 | /// \brief Undirected edge class of the graph. |
---|
201 | /// |
---|
202 | /// This class represents the undirected edges of the graph. |
---|
203 | /// Undirected graphs can be used as directed graphs, each edge is |
---|
204 | /// represented by two opposite directed arcs. |
---|
205 | class Edge : public GraphItem<'e'> { |
---|
206 | typedef GraphItem<'e'> Parent; |
---|
207 | |
---|
208 | public: |
---|
209 | /// \brief Default constructor. |
---|
210 | /// |
---|
211 | /// Default constructor. |
---|
212 | /// \warning The default constructor is not required to set |
---|
213 | /// the item to some well-defined value. So you should consider it |
---|
214 | /// as uninitialized. |
---|
215 | Edge() {} |
---|
216 | |
---|
217 | /// \brief Copy constructor. |
---|
218 | /// |
---|
219 | /// Copy constructor. |
---|
220 | Edge(const Edge &) : Parent() {} |
---|
221 | |
---|
222 | /// Assignment operator |
---|
223 | |
---|
224 | /// Assignment operator. |
---|
225 | /// |
---|
226 | const Edge &operator=(const Edge&) { return *this; } |
---|
227 | |
---|
228 | /// \brief Constructor for conversion from \c INVALID. |
---|
229 | /// |
---|
230 | /// Constructor for conversion from \c INVALID. |
---|
231 | /// It initializes the item to be invalid. |
---|
232 | /// \sa Invalid for more details. |
---|
233 | Edge(Invalid) {} |
---|
234 | |
---|
235 | /// \brief Constructor for conversion from an arc. |
---|
236 | /// |
---|
237 | /// Constructor for conversion from an arc. |
---|
238 | /// Besides the core graph item functionality each arc should |
---|
239 | /// be convertible to the represented edge. |
---|
240 | Edge(const Arc&) {} |
---|
241 | }; |
---|
242 | |
---|
243 | /// \brief Return one end node of an edge. |
---|
244 | /// |
---|
245 | /// This function returns one end node of an edge. |
---|
246 | Node u(const Edge&) const { return INVALID; } |
---|
247 | |
---|
248 | /// \brief Return the other end node of an edge. |
---|
249 | /// |
---|
250 | /// This function returns the other end node of an edge. |
---|
251 | Node v(const Edge&) const { return INVALID; } |
---|
252 | |
---|
253 | /// \brief Return a directed arc related to an edge. |
---|
254 | /// |
---|
255 | /// This function returns a directed arc from its direction and the |
---|
256 | /// represented edge. |
---|
257 | Arc direct(const Edge&, bool) const { return INVALID; } |
---|
258 | |
---|
259 | /// \brief Return a directed arc related to an edge. |
---|
260 | /// |
---|
261 | /// This function returns a directed arc from its source node and the |
---|
262 | /// represented edge. |
---|
263 | Arc direct(const Edge&, const Node&) const { return INVALID; } |
---|
264 | |
---|
265 | /// \brief Return the direction of the arc. |
---|
266 | /// |
---|
267 | /// Returns the direction of the arc. Each arc represents an |
---|
268 | /// edge with a direction. It gives back the |
---|
269 | /// direction. |
---|
270 | bool direction(const Arc&) const { return true; } |
---|
271 | |
---|
272 | /// \brief Return the opposite arc. |
---|
273 | /// |
---|
274 | /// This function returns the opposite arc, i.e. the arc representing |
---|
275 | /// the same edge and has opposite direction. |
---|
276 | Arc oppositeArc(const Arc&) const { return INVALID; } |
---|
277 | |
---|
278 | template <typename _Graph> |
---|
279 | struct Constraints { |
---|
280 | typedef typename _Graph::Node Node; |
---|
281 | typedef typename _Graph::Arc Arc; |
---|
282 | typedef typename _Graph::Edge Edge; |
---|
283 | |
---|
284 | void constraints() { |
---|
285 | checkConcept<BaseDigraphComponent, _Graph>(); |
---|
286 | checkConcept<GraphItem<'e'>, Edge>(); |
---|
287 | { |
---|
288 | Node n; |
---|
289 | Edge ue(INVALID); |
---|
290 | Arc e; |
---|
291 | n = graph.u(ue); |
---|
292 | n = graph.v(ue); |
---|
293 | e = graph.direct(ue, true); |
---|
294 | e = graph.direct(ue, false); |
---|
295 | e = graph.direct(ue, n); |
---|
296 | e = graph.oppositeArc(e); |
---|
297 | ue = e; |
---|
298 | bool d = graph.direction(e); |
---|
299 | ::lemon::ignore_unused_variable_warning(d); |
---|
300 | } |
---|
301 | } |
---|
302 | |
---|
303 | const _Graph& graph; |
---|
304 | Constraints() {} |
---|
305 | }; |
---|
306 | |
---|
307 | }; |
---|
308 | |
---|
309 | /// \brief Base skeleton class for undirected bipartite graphs. |
---|
310 | /// |
---|
311 | /// This class describes the base interface of undirected |
---|
312 | /// bipartite graph types. All bipartite graph %concepts have to |
---|
313 | /// conform to this class. It extends the interface of \ref |
---|
314 | /// BaseGraphComponent with an \c Edge type and functions to get |
---|
315 | /// the end nodes of edges, to convert from arcs to edges and to |
---|
316 | /// get both direction of edges. |
---|
317 | class BaseBpGraphComponent : public BaseGraphComponent { |
---|
318 | public: |
---|
319 | |
---|
320 | typedef BaseBpGraphComponent BpGraph; |
---|
321 | |
---|
322 | typedef BaseDigraphComponent::Node Node; |
---|
323 | typedef BaseDigraphComponent::Arc Arc; |
---|
324 | |
---|
325 | /// \brief Class to represent red nodes. |
---|
326 | /// |
---|
327 | /// This class represents the red nodes of the graph. The red |
---|
328 | /// nodes can also be used as normal nodes. |
---|
329 | class RedNode : public Node { |
---|
330 | typedef Node Parent; |
---|
331 | |
---|
332 | public: |
---|
333 | /// \brief Default constructor. |
---|
334 | /// |
---|
335 | /// Default constructor. |
---|
336 | /// \warning The default constructor is not required to set |
---|
337 | /// the item to some well-defined value. So you should consider it |
---|
338 | /// as uninitialized. |
---|
339 | RedNode() {} |
---|
340 | |
---|
341 | /// \brief Copy constructor. |
---|
342 | /// |
---|
343 | /// Copy constructor. |
---|
344 | RedNode(const RedNode &) : Parent() {} |
---|
345 | /// Assignment operator |
---|
346 | |
---|
347 | /// Assignment operator. |
---|
348 | /// |
---|
349 | const RedNode &operator=(const RedNode&) { return *this; } |
---|
350 | |
---|
351 | /// \brief Constructor for conversion from \c INVALID. |
---|
352 | /// |
---|
353 | /// Constructor for conversion from \c INVALID. |
---|
354 | /// It initializes the item to be invalid. |
---|
355 | /// \sa Invalid for more details. |
---|
356 | RedNode(Invalid) {} |
---|
357 | }; |
---|
358 | |
---|
359 | /// \brief Class to represent blue nodes. |
---|
360 | /// |
---|
361 | /// This class represents the blue nodes of the graph. The blue |
---|
362 | /// nodes can also be used as normal nodes. |
---|
363 | class BlueNode : public Node { |
---|
364 | typedef Node Parent; |
---|
365 | |
---|
366 | public: |
---|
367 | /// \brief Default constructor. |
---|
368 | /// |
---|
369 | /// Default constructor. |
---|
370 | /// \warning The default constructor is not required to set |
---|
371 | /// the item to some well-defined value. So you should consider it |
---|
372 | /// as uninitialized. |
---|
373 | BlueNode() {} |
---|
374 | |
---|
375 | /// \brief Copy constructor. |
---|
376 | /// |
---|
377 | /// Copy constructor. |
---|
378 | BlueNode(const BlueNode &) : Parent() {} |
---|
379 | /// Assignment operator |
---|
380 | |
---|
381 | /// Assignment operator. |
---|
382 | /// |
---|
383 | const BlueNode &operator=(const BlueNode&) { return *this; } |
---|
384 | |
---|
385 | |
---|
386 | /// \brief Constructor for conversion from \c INVALID. |
---|
387 | /// |
---|
388 | /// Constructor for conversion from \c INVALID. |
---|
389 | /// It initializes the item to be invalid. |
---|
390 | /// \sa Invalid for more details. |
---|
391 | BlueNode(Invalid) {} |
---|
392 | |
---|
393 | /// \brief Constructor for conversion from a node. |
---|
394 | /// |
---|
395 | /// Constructor for conversion from a node. The conversion can |
---|
396 | /// be invalid, since the Node can be member of the red |
---|
397 | /// set. |
---|
398 | BlueNode(const Node&) {} |
---|
399 | }; |
---|
400 | |
---|
401 | /// \brief Gives back %true for red nodes. |
---|
402 | /// |
---|
403 | /// Gives back %true for red nodes. |
---|
404 | bool red(const Node&) const { return true; } |
---|
405 | |
---|
406 | /// \brief Gives back %true for blue nodes. |
---|
407 | /// |
---|
408 | /// Gives back %true for blue nodes. |
---|
409 | bool blue(const Node&) const { return true; } |
---|
410 | |
---|
411 | /// \brief Gives back the red end node of the edge. |
---|
412 | /// |
---|
413 | /// Gives back the red end node of the edge. |
---|
414 | RedNode redNode(const Edge&) const { return RedNode(); } |
---|
415 | |
---|
416 | /// \brief Gives back the blue end node of the edge. |
---|
417 | /// |
---|
418 | /// Gives back the blue end node of the edge. |
---|
419 | BlueNode blueNode(const Edge&) const { return BlueNode(); } |
---|
420 | |
---|
421 | /// \brief Converts the node to red node object. |
---|
422 | /// |
---|
423 | /// This function converts unsafely the node to red node |
---|
424 | /// object. It should be called only if the node is from the red |
---|
425 | /// partition or INVALID. |
---|
426 | RedNode asRedNodeUnsafe(const Node&) const { return RedNode(); } |
---|
427 | |
---|
428 | /// \brief Converts the node to blue node object. |
---|
429 | /// |
---|
430 | /// This function converts unsafely the node to blue node |
---|
431 | /// object. It should be called only if the node is from the red |
---|
432 | /// partition or INVALID. |
---|
433 | BlueNode asBlueNodeUnsafe(const Node&) const { return BlueNode(); } |
---|
434 | |
---|
435 | /// \brief Converts the node to red node object. |
---|
436 | /// |
---|
437 | /// This function converts safely the node to red node |
---|
438 | /// object. If the node is not from the red partition, then it |
---|
439 | /// returns INVALID. |
---|
440 | RedNode asRedNode(const Node&) const { return RedNode(); } |
---|
441 | |
---|
442 | /// \brief Converts the node to blue node object. |
---|
443 | /// |
---|
444 | /// This function converts unsafely the node to blue node |
---|
445 | /// object. If the node is not from the blue partition, then it |
---|
446 | /// returns INVALID. |
---|
447 | BlueNode asBlueNode(const Node&) const { return BlueNode(); } |
---|
448 | |
---|
449 | template <typename _BpGraph> |
---|
450 | struct Constraints { |
---|
451 | typedef typename _BpGraph::Node Node; |
---|
452 | typedef typename _BpGraph::RedNode RedNode; |
---|
453 | typedef typename _BpGraph::BlueNode BlueNode; |
---|
454 | typedef typename _BpGraph::Arc Arc; |
---|
455 | typedef typename _BpGraph::Edge Edge; |
---|
456 | |
---|
457 | void constraints() { |
---|
458 | checkConcept<BaseGraphComponent, _BpGraph>(); |
---|
459 | checkConcept<GraphItem<'n'>, RedNode>(); |
---|
460 | checkConcept<GraphItem<'n'>, BlueNode>(); |
---|
461 | { |
---|
462 | Node n; |
---|
463 | RedNode rn; |
---|
464 | BlueNode bn; |
---|
465 | Node rnan = rn; |
---|
466 | Node bnan = bn; |
---|
467 | Edge e; |
---|
468 | bool b; |
---|
469 | b = bpgraph.red(rnan); |
---|
470 | b = bpgraph.blue(bnan); |
---|
471 | rn = bpgraph.redNode(e); |
---|
472 | bn = bpgraph.blueNode(e); |
---|
473 | rn = bpgraph.asRedNodeUnsafe(rnan); |
---|
474 | bn = bpgraph.asBlueNodeUnsafe(bnan); |
---|
475 | rn = bpgraph.asRedNode(rnan); |
---|
476 | bn = bpgraph.asBlueNode(bnan); |
---|
477 | ::lemon::ignore_unused_variable_warning(b); |
---|
478 | } |
---|
479 | } |
---|
480 | |
---|
481 | const _BpGraph& bpgraph; |
---|
482 | }; |
---|
483 | |
---|
484 | }; |
---|
485 | |
---|
486 | /// \brief Skeleton class for \e idable directed graphs. |
---|
487 | /// |
---|
488 | /// This class describes the interface of \e idable directed graphs. |
---|
489 | /// It extends \ref BaseDigraphComponent with the core ID functions. |
---|
490 | /// The ids of the items must be unique and immutable. |
---|
491 | /// This concept is part of the Digraph concept. |
---|
492 | template <typename BAS = BaseDigraphComponent> |
---|
493 | class IDableDigraphComponent : public BAS { |
---|
494 | public: |
---|
495 | |
---|
496 | typedef BAS Base; |
---|
497 | typedef typename Base::Node Node; |
---|
498 | typedef typename Base::Arc Arc; |
---|
499 | |
---|
500 | /// \brief Return a unique integer id for the given node. |
---|
501 | /// |
---|
502 | /// This function returns a unique integer id for the given node. |
---|
503 | int id(const Node&) const { return -1; } |
---|
504 | |
---|
505 | /// \brief Return the node by its unique id. |
---|
506 | /// |
---|
507 | /// This function returns the node by its unique id. |
---|
508 | /// If the digraph does not contain a node with the given id, |
---|
509 | /// then the result of the function is undefined. |
---|
510 | Node nodeFromId(int) const { return INVALID; } |
---|
511 | |
---|
512 | /// \brief Return a unique integer id for the given arc. |
---|
513 | /// |
---|
514 | /// This function returns a unique integer id for the given arc. |
---|
515 | int id(const Arc&) const { return -1; } |
---|
516 | |
---|
517 | /// \brief Return the arc by its unique id. |
---|
518 | /// |
---|
519 | /// This function returns the arc by its unique id. |
---|
520 | /// If the digraph does not contain an arc with the given id, |
---|
521 | /// then the result of the function is undefined. |
---|
522 | Arc arcFromId(int) const { return INVALID; } |
---|
523 | |
---|
524 | /// \brief Return an integer greater or equal to the maximum |
---|
525 | /// node id. |
---|
526 | /// |
---|
527 | /// This function returns an integer greater or equal to the |
---|
528 | /// maximum node id. |
---|
529 | int maxNodeId() const { return -1; } |
---|
530 | |
---|
531 | /// \brief Return an integer greater or equal to the maximum |
---|
532 | /// arc id. |
---|
533 | /// |
---|
534 | /// This function returns an integer greater or equal to the |
---|
535 | /// maximum arc id. |
---|
536 | int maxArcId() const { return -1; } |
---|
537 | |
---|
538 | template <typename _Digraph> |
---|
539 | struct Constraints { |
---|
540 | |
---|
541 | void constraints() { |
---|
542 | checkConcept<Base, _Digraph >(); |
---|
543 | typename _Digraph::Node node; |
---|
544 | node=INVALID; |
---|
545 | int nid = digraph.id(node); |
---|
546 | nid = digraph.id(node); |
---|
547 | node = digraph.nodeFromId(nid); |
---|
548 | typename _Digraph::Arc arc; |
---|
549 | arc=INVALID; |
---|
550 | int eid = digraph.id(arc); |
---|
551 | eid = digraph.id(arc); |
---|
552 | arc = digraph.arcFromId(eid); |
---|
553 | |
---|
554 | nid = digraph.maxNodeId(); |
---|
555 | ::lemon::ignore_unused_variable_warning(nid); |
---|
556 | eid = digraph.maxArcId(); |
---|
557 | ::lemon::ignore_unused_variable_warning(eid); |
---|
558 | } |
---|
559 | |
---|
560 | const _Digraph& digraph; |
---|
561 | Constraints() {} |
---|
562 | }; |
---|
563 | }; |
---|
564 | |
---|
565 | /// \brief Skeleton class for \e idable undirected graphs. |
---|
566 | /// |
---|
567 | /// This class describes the interface of \e idable undirected |
---|
568 | /// graphs. It extends \ref IDableDigraphComponent with the core ID |
---|
569 | /// functions of undirected graphs. |
---|
570 | /// The ids of the items must be unique and immutable. |
---|
571 | /// This concept is part of the Graph concept. |
---|
572 | template <typename BAS = BaseGraphComponent> |
---|
573 | class IDableGraphComponent : public IDableDigraphComponent<BAS> { |
---|
574 | public: |
---|
575 | |
---|
576 | typedef BAS Base; |
---|
577 | typedef typename Base::Edge Edge; |
---|
578 | |
---|
579 | using IDableDigraphComponent<Base>::id; |
---|
580 | |
---|
581 | /// \brief Return a unique integer id for the given edge. |
---|
582 | /// |
---|
583 | /// This function returns a unique integer id for the given edge. |
---|
584 | int id(const Edge&) const { return -1; } |
---|
585 | |
---|
586 | /// \brief Return the edge by its unique id. |
---|
587 | /// |
---|
588 | /// This function returns the edge by its unique id. |
---|
589 | /// If the graph does not contain an edge with the given id, |
---|
590 | /// then the result of the function is undefined. |
---|
591 | Edge edgeFromId(int) const { return INVALID; } |
---|
592 | |
---|
593 | /// \brief Return an integer greater or equal to the maximum |
---|
594 | /// edge id. |
---|
595 | /// |
---|
596 | /// This function returns an integer greater or equal to the |
---|
597 | /// maximum edge id. |
---|
598 | int maxEdgeId() const { return -1; } |
---|
599 | |
---|
600 | template <typename _Graph> |
---|
601 | struct Constraints { |
---|
602 | |
---|
603 | void constraints() { |
---|
604 | checkConcept<IDableDigraphComponent<Base>, _Graph >(); |
---|
605 | typename _Graph::Edge edge; |
---|
606 | int ueid = graph.id(edge); |
---|
607 | ueid = graph.id(edge); |
---|
608 | edge = graph.edgeFromId(ueid); |
---|
609 | ueid = graph.maxEdgeId(); |
---|
610 | ::lemon::ignore_unused_variable_warning(ueid); |
---|
611 | } |
---|
612 | |
---|
613 | const _Graph& graph; |
---|
614 | Constraints() {} |
---|
615 | }; |
---|
616 | }; |
---|
617 | |
---|
618 | /// \brief Skeleton class for \e idable undirected bipartite graphs. |
---|
619 | /// |
---|
620 | /// This class describes the interface of \e idable undirected |
---|
621 | /// bipartite graphs. It extends \ref IDableGraphComponent with |
---|
622 | /// the core ID functions of undirected bipartite graphs. Beside |
---|
623 | /// the regular node ids, this class also provides ids within the |
---|
624 | /// the red and blue sets of the nodes. This concept is part of |
---|
625 | /// the BpGraph concept. |
---|
626 | template <typename BAS = BaseBpGraphComponent> |
---|
627 | class IDableBpGraphComponent : public IDableGraphComponent<BAS> { |
---|
628 | public: |
---|
629 | |
---|
630 | typedef BAS Base; |
---|
631 | typedef IDableGraphComponent<BAS> Parent; |
---|
632 | typedef typename Base::Node Node; |
---|
633 | typedef typename Base::RedNode RedNode; |
---|
634 | typedef typename Base::BlueNode BlueNode; |
---|
635 | |
---|
636 | using Parent::id; |
---|
637 | |
---|
638 | /// \brief Return a unique integer id for the given node in the red set. |
---|
639 | /// |
---|
640 | /// Return a unique integer id for the given node in the red set. |
---|
641 | int id(const RedNode&) const { return -1; } |
---|
642 | |
---|
643 | /// \brief Return a unique integer id for the given node in the blue set. |
---|
644 | /// |
---|
645 | /// Return a unique integer id for the given node in the blue set. |
---|
646 | int id(const BlueNode&) const { return -1; } |
---|
647 | |
---|
648 | /// \brief Return an integer greater or equal to the maximum |
---|
649 | /// node id in the red set. |
---|
650 | /// |
---|
651 | /// Return an integer greater or equal to the maximum |
---|
652 | /// node id in the red set. |
---|
653 | int maxRedId() const { return -1; } |
---|
654 | |
---|
655 | /// \brief Return an integer greater or equal to the maximum |
---|
656 | /// node id in the blue set. |
---|
657 | /// |
---|
658 | /// Return an integer greater or equal to the maximum |
---|
659 | /// node id in the blue set. |
---|
660 | int maxBlueId() const { return -1; } |
---|
661 | |
---|
662 | template <typename _BpGraph> |
---|
663 | struct Constraints { |
---|
664 | |
---|
665 | void constraints() { |
---|
666 | checkConcept<IDableGraphComponent<Base>, _BpGraph>(); |
---|
667 | typename _BpGraph::Node node; |
---|
668 | typename _BpGraph::RedNode red; |
---|
669 | typename _BpGraph::BlueNode blue; |
---|
670 | int rid = bpgraph.id(red); |
---|
671 | int bid = bpgraph.id(blue); |
---|
672 | rid = bpgraph.maxRedId(); |
---|
673 | bid = bpgraph.maxBlueId(); |
---|
674 | ::lemon::ignore_unused_variable_warning(rid); |
---|
675 | ::lemon::ignore_unused_variable_warning(bid); |
---|
676 | } |
---|
677 | |
---|
678 | const _BpGraph& bpgraph; |
---|
679 | }; |
---|
680 | }; |
---|
681 | |
---|
682 | /// \brief Concept class for \c NodeIt, \c ArcIt and \c EdgeIt types. |
---|
683 | /// |
---|
684 | /// This class describes the concept of \c NodeIt, \c ArcIt and |
---|
685 | /// \c EdgeIt subtypes of digraph and graph types. |
---|
686 | template <typename GR, typename Item> |
---|
687 | class GraphItemIt : public Item { |
---|
688 | public: |
---|
689 | /// \brief Default constructor. |
---|
690 | /// |
---|
691 | /// Default constructor. |
---|
692 | /// \warning The default constructor is not required to set |
---|
693 | /// the iterator to some well-defined value. So you should consider it |
---|
694 | /// as uninitialized. |
---|
695 | GraphItemIt() {} |
---|
696 | |
---|
697 | /// \brief Copy constructor. |
---|
698 | /// |
---|
699 | /// Copy constructor. |
---|
700 | GraphItemIt(const GraphItemIt& it) : Item(it) {} |
---|
701 | |
---|
702 | /// \brief Constructor that sets the iterator to the first item. |
---|
703 | /// |
---|
704 | /// Constructor that sets the iterator to the first item. |
---|
705 | explicit GraphItemIt(const GR&) {} |
---|
706 | |
---|
707 | /// \brief Constructor for conversion from \c INVALID. |
---|
708 | /// |
---|
709 | /// Constructor for conversion from \c INVALID. |
---|
710 | /// It initializes the iterator to be invalid. |
---|
711 | /// \sa Invalid for more details. |
---|
712 | GraphItemIt(Invalid) {} |
---|
713 | |
---|
714 | /// \brief Assignment operator. |
---|
715 | /// |
---|
716 | /// Assignment operator for the iterator. |
---|
717 | GraphItemIt& operator=(const GraphItemIt&) { return *this; } |
---|
718 | |
---|
719 | /// \brief Increment the iterator. |
---|
720 | /// |
---|
721 | /// This operator increments the iterator, i.e. assigns it to the |
---|
722 | /// next item. |
---|
723 | GraphItemIt& operator++() { return *this; } |
---|
724 | |
---|
725 | /// \brief Equality operator |
---|
726 | /// |
---|
727 | /// Equality operator. |
---|
728 | /// Two iterators are equal if and only if they point to the |
---|
729 | /// same object or both are invalid. |
---|
730 | bool operator==(const GraphItemIt&) const { return true;} |
---|
731 | |
---|
732 | /// \brief Inequality operator |
---|
733 | /// |
---|
734 | /// Inequality operator. |
---|
735 | /// Two iterators are equal if and only if they point to the |
---|
736 | /// same object or both are invalid. |
---|
737 | bool operator!=(const GraphItemIt&) const { return true;} |
---|
738 | |
---|
739 | template<typename _GraphItemIt> |
---|
740 | struct Constraints { |
---|
741 | void constraints() { |
---|
742 | checkConcept<GraphItem<>, _GraphItemIt>(); |
---|
743 | _GraphItemIt it1(g); |
---|
744 | _GraphItemIt it2; |
---|
745 | _GraphItemIt it3 = it1; |
---|
746 | _GraphItemIt it4 = INVALID; |
---|
747 | ::lemon::ignore_unused_variable_warning(it3); |
---|
748 | ::lemon::ignore_unused_variable_warning(it4); |
---|
749 | |
---|
750 | it2 = ++it1; |
---|
751 | ++it2 = it1; |
---|
752 | ++(++it1); |
---|
753 | |
---|
754 | Item bi = it1; |
---|
755 | ::lemon::ignore_unused_variable_warning(bi); |
---|
756 | bi = it2; |
---|
757 | } |
---|
758 | const GR& g; |
---|
759 | Constraints() {} |
---|
760 | }; |
---|
761 | }; |
---|
762 | |
---|
763 | /// \brief Concept class for \c InArcIt, \c OutArcIt and |
---|
764 | /// \c IncEdgeIt types. |
---|
765 | /// |
---|
766 | /// This class describes the concept of \c InArcIt, \c OutArcIt |
---|
767 | /// and \c IncEdgeIt subtypes of digraph and graph types. |
---|
768 | /// |
---|
769 | /// \note Since these iterator classes do not inherit from the same |
---|
770 | /// base class, there is an additional template parameter (selector) |
---|
771 | /// \c sel. For \c InArcIt you should instantiate it with character |
---|
772 | /// \c 'i', for \c OutArcIt with \c 'o' and for \c IncEdgeIt with \c 'e'. |
---|
773 | template <typename GR, |
---|
774 | typename Item = typename GR::Arc, |
---|
775 | typename Base = typename GR::Node, |
---|
776 | char sel = '0'> |
---|
777 | class GraphIncIt : public Item { |
---|
778 | public: |
---|
779 | /// \brief Default constructor. |
---|
780 | /// |
---|
781 | /// Default constructor. |
---|
782 | /// \warning The default constructor is not required to set |
---|
783 | /// the iterator to some well-defined value. So you should consider it |
---|
784 | /// as uninitialized. |
---|
785 | GraphIncIt() {} |
---|
786 | |
---|
787 | /// \brief Copy constructor. |
---|
788 | /// |
---|
789 | /// Copy constructor. |
---|
790 | GraphIncIt(const GraphIncIt& it) : Item(it) {} |
---|
791 | |
---|
792 | /// \brief Constructor that sets the iterator to the first |
---|
793 | /// incoming or outgoing arc. |
---|
794 | /// |
---|
795 | /// Constructor that sets the iterator to the first arc |
---|
796 | /// incoming to or outgoing from the given node. |
---|
797 | explicit GraphIncIt(const GR&, const Base&) {} |
---|
798 | |
---|
799 | /// \brief Constructor for conversion from \c INVALID. |
---|
800 | /// |
---|
801 | /// Constructor for conversion from \c INVALID. |
---|
802 | /// It initializes the iterator to be invalid. |
---|
803 | /// \sa Invalid for more details. |
---|
804 | GraphIncIt(Invalid) {} |
---|
805 | |
---|
806 | /// \brief Assignment operator. |
---|
807 | /// |
---|
808 | /// Assignment operator for the iterator. |
---|
809 | GraphIncIt& operator=(const GraphIncIt&) { return *this; } |
---|
810 | |
---|
811 | /// \brief Increment the iterator. |
---|
812 | /// |
---|
813 | /// This operator increments the iterator, i.e. assigns it to the |
---|
814 | /// next arc incoming to or outgoing from the given node. |
---|
815 | GraphIncIt& operator++() { return *this; } |
---|
816 | |
---|
817 | /// \brief Equality operator |
---|
818 | /// |
---|
819 | /// Equality operator. |
---|
820 | /// Two iterators are equal if and only if they point to the |
---|
821 | /// same object or both are invalid. |
---|
822 | bool operator==(const GraphIncIt&) const { return true;} |
---|
823 | |
---|
824 | /// \brief Inequality operator |
---|
825 | /// |
---|
826 | /// Inequality operator. |
---|
827 | /// Two iterators are equal if and only if they point to the |
---|
828 | /// same object or both are invalid. |
---|
829 | bool operator!=(const GraphIncIt&) const { return true;} |
---|
830 | |
---|
831 | template <typename _GraphIncIt> |
---|
832 | struct Constraints { |
---|
833 | void constraints() { |
---|
834 | checkConcept<GraphItem<sel>, _GraphIncIt>(); |
---|
835 | _GraphIncIt it1(graph, node); |
---|
836 | _GraphIncIt it2; |
---|
837 | _GraphIncIt it3 = it1; |
---|
838 | _GraphIncIt it4 = INVALID; |
---|
839 | ::lemon::ignore_unused_variable_warning(it3); |
---|
840 | ::lemon::ignore_unused_variable_warning(it4); |
---|
841 | |
---|
842 | it2 = ++it1; |
---|
843 | ++it2 = it1; |
---|
844 | ++(++it1); |
---|
845 | Item e = it1; |
---|
846 | ::lemon::ignore_unused_variable_warning(e); |
---|
847 | e = it2; |
---|
848 | } |
---|
849 | const Base& node; |
---|
850 | const GR& graph; |
---|
851 | Constraints() {} |
---|
852 | }; |
---|
853 | }; |
---|
854 | |
---|
855 | /// \brief Skeleton class for iterable directed graphs. |
---|
856 | /// |
---|
857 | /// This class describes the interface of iterable directed |
---|
858 | /// graphs. It extends \ref BaseDigraphComponent with the core |
---|
859 | /// iterable interface. |
---|
860 | /// This concept is part of the Digraph concept. |
---|
861 | template <typename BAS = BaseDigraphComponent> |
---|
862 | class IterableDigraphComponent : public BAS { |
---|
863 | |
---|
864 | public: |
---|
865 | |
---|
866 | typedef BAS Base; |
---|
867 | typedef typename Base::Node Node; |
---|
868 | typedef typename Base::Arc Arc; |
---|
869 | |
---|
870 | typedef IterableDigraphComponent Digraph; |
---|
871 | |
---|
872 | /// \name Base Iteration |
---|
873 | /// |
---|
874 | /// This interface provides functions for iteration on digraph items. |
---|
875 | /// |
---|
876 | /// @{ |
---|
877 | |
---|
878 | /// \brief Return the first node. |
---|
879 | /// |
---|
880 | /// This function gives back the first node in the iteration order. |
---|
881 | void first(Node&) const {} |
---|
882 | |
---|
883 | /// \brief Return the next node. |
---|
884 | /// |
---|
885 | /// This function gives back the next node in the iteration order. |
---|
886 | void next(Node&) const {} |
---|
887 | |
---|
888 | /// \brief Return the first arc. |
---|
889 | /// |
---|
890 | /// This function gives back the first arc in the iteration order. |
---|
891 | void first(Arc&) const {} |
---|
892 | |
---|
893 | /// \brief Return the next arc. |
---|
894 | /// |
---|
895 | /// This function gives back the next arc in the iteration order. |
---|
896 | void next(Arc&) const {} |
---|
897 | |
---|
898 | /// \brief Return the first arc incoming to the given node. |
---|
899 | /// |
---|
900 | /// This function gives back the first arc incoming to the |
---|
901 | /// given node. |
---|
902 | void firstIn(Arc&, const Node&) const {} |
---|
903 | |
---|
904 | /// \brief Return the next arc incoming to the given node. |
---|
905 | /// |
---|
906 | /// This function gives back the next arc incoming to the |
---|
907 | /// given node. |
---|
908 | void nextIn(Arc&) const {} |
---|
909 | |
---|
910 | /// \brief Return the first arc outgoing form the given node. |
---|
911 | /// |
---|
912 | /// This function gives back the first arc outgoing form the |
---|
913 | /// given node. |
---|
914 | void firstOut(Arc&, const Node&) const {} |
---|
915 | |
---|
916 | /// \brief Return the next arc outgoing form the given node. |
---|
917 | /// |
---|
918 | /// This function gives back the next arc outgoing form the |
---|
919 | /// given node. |
---|
920 | void nextOut(Arc&) const {} |
---|
921 | |
---|
922 | /// @} |
---|
923 | |
---|
924 | /// \name Class Based Iteration |
---|
925 | /// |
---|
926 | /// This interface provides iterator classes for digraph items. |
---|
927 | /// |
---|
928 | /// @{ |
---|
929 | |
---|
930 | /// \brief This iterator goes through each node. |
---|
931 | /// |
---|
932 | /// This iterator goes through each node. |
---|
933 | /// |
---|
934 | typedef GraphItemIt<Digraph, Node> NodeIt; |
---|
935 | |
---|
936 | /// \brief This iterator goes through each arc. |
---|
937 | /// |
---|
938 | /// This iterator goes through each arc. |
---|
939 | /// |
---|
940 | typedef GraphItemIt<Digraph, Arc> ArcIt; |
---|
941 | |
---|
942 | /// \brief This iterator goes trough the incoming arcs of a node. |
---|
943 | /// |
---|
944 | /// This iterator goes trough the \e incoming arcs of a certain node |
---|
945 | /// of a digraph. |
---|
946 | typedef GraphIncIt<Digraph, Arc, Node, 'i'> InArcIt; |
---|
947 | |
---|
948 | /// \brief This iterator goes trough the outgoing arcs of a node. |
---|
949 | /// |
---|
950 | /// This iterator goes trough the \e outgoing arcs of a certain node |
---|
951 | /// of a digraph. |
---|
952 | typedef GraphIncIt<Digraph, Arc, Node, 'o'> OutArcIt; |
---|
953 | |
---|
954 | /// \brief The base node of the iterator. |
---|
955 | /// |
---|
956 | /// This function gives back the base node of the iterator. |
---|
957 | /// It is always the target node of the pointed arc. |
---|
958 | Node baseNode(const InArcIt&) const { return INVALID; } |
---|
959 | |
---|
960 | /// \brief The running node of the iterator. |
---|
961 | /// |
---|
962 | /// This function gives back the running node of the iterator. |
---|
963 | /// It is always the source node of the pointed arc. |
---|
964 | Node runningNode(const InArcIt&) const { return INVALID; } |
---|
965 | |
---|
966 | /// \brief The base node of the iterator. |
---|
967 | /// |
---|
968 | /// This function gives back the base node of the iterator. |
---|
969 | /// It is always the source node of the pointed arc. |
---|
970 | Node baseNode(const OutArcIt&) const { return INVALID; } |
---|
971 | |
---|
972 | /// \brief The running node of the iterator. |
---|
973 | /// |
---|
974 | /// This function gives back the running node of the iterator. |
---|
975 | /// It is always the target node of the pointed arc. |
---|
976 | Node runningNode(const OutArcIt&) const { return INVALID; } |
---|
977 | |
---|
978 | /// @} |
---|
979 | |
---|
980 | template <typename _Digraph> |
---|
981 | struct Constraints { |
---|
982 | void constraints() { |
---|
983 | checkConcept<Base, _Digraph>(); |
---|
984 | |
---|
985 | { |
---|
986 | typename _Digraph::Node node(INVALID); |
---|
987 | typename _Digraph::Arc arc(INVALID); |
---|
988 | { |
---|
989 | digraph.first(node); |
---|
990 | digraph.next(node); |
---|
991 | } |
---|
992 | { |
---|
993 | digraph.first(arc); |
---|
994 | digraph.next(arc); |
---|
995 | } |
---|
996 | { |
---|
997 | digraph.firstIn(arc, node); |
---|
998 | digraph.nextIn(arc); |
---|
999 | } |
---|
1000 | { |
---|
1001 | digraph.firstOut(arc, node); |
---|
1002 | digraph.nextOut(arc); |
---|
1003 | } |
---|
1004 | } |
---|
1005 | |
---|
1006 | { |
---|
1007 | checkConcept<GraphItemIt<_Digraph, typename _Digraph::Arc>, |
---|
1008 | typename _Digraph::ArcIt >(); |
---|
1009 | checkConcept<GraphItemIt<_Digraph, typename _Digraph::Node>, |
---|
1010 | typename _Digraph::NodeIt >(); |
---|
1011 | checkConcept<GraphIncIt<_Digraph, typename _Digraph::Arc, |
---|
1012 | typename _Digraph::Node, 'i'>, typename _Digraph::InArcIt>(); |
---|
1013 | checkConcept<GraphIncIt<_Digraph, typename _Digraph::Arc, |
---|
1014 | typename _Digraph::Node, 'o'>, typename _Digraph::OutArcIt>(); |
---|
1015 | |
---|
1016 | typename _Digraph::Node n; |
---|
1017 | const typename _Digraph::InArcIt iait(INVALID); |
---|
1018 | const typename _Digraph::OutArcIt oait(INVALID); |
---|
1019 | n = digraph.baseNode(iait); |
---|
1020 | n = digraph.runningNode(iait); |
---|
1021 | n = digraph.baseNode(oait); |
---|
1022 | n = digraph.runningNode(oait); |
---|
1023 | ::lemon::ignore_unused_variable_warning(n); |
---|
1024 | } |
---|
1025 | } |
---|
1026 | |
---|
1027 | const _Digraph& digraph; |
---|
1028 | Constraints() {} |
---|
1029 | }; |
---|
1030 | }; |
---|
1031 | |
---|
1032 | /// \brief Skeleton class for iterable undirected graphs. |
---|
1033 | /// |
---|
1034 | /// This class describes the interface of iterable undirected |
---|
1035 | /// graphs. It extends \ref IterableDigraphComponent with the core |
---|
1036 | /// iterable interface of undirected graphs. |
---|
1037 | /// This concept is part of the Graph concept. |
---|
1038 | template <typename BAS = BaseGraphComponent> |
---|
1039 | class IterableGraphComponent : public IterableDigraphComponent<BAS> { |
---|
1040 | public: |
---|
1041 | |
---|
1042 | typedef BAS Base; |
---|
1043 | typedef typename Base::Node Node; |
---|
1044 | typedef typename Base::Arc Arc; |
---|
1045 | typedef typename Base::Edge Edge; |
---|
1046 | |
---|
1047 | |
---|
1048 | typedef IterableGraphComponent Graph; |
---|
1049 | |
---|
1050 | /// \name Base Iteration |
---|
1051 | /// |
---|
1052 | /// This interface provides functions for iteration on edges. |
---|
1053 | /// |
---|
1054 | /// @{ |
---|
1055 | |
---|
1056 | using IterableDigraphComponent<Base>::first; |
---|
1057 | using IterableDigraphComponent<Base>::next; |
---|
1058 | |
---|
1059 | /// \brief Return the first edge. |
---|
1060 | /// |
---|
1061 | /// This function gives back the first edge in the iteration order. |
---|
1062 | void first(Edge&) const {} |
---|
1063 | |
---|
1064 | /// \brief Return the next edge. |
---|
1065 | /// |
---|
1066 | /// This function gives back the next edge in the iteration order. |
---|
1067 | void next(Edge&) const {} |
---|
1068 | |
---|
1069 | /// \brief Return the first edge incident to the given node. |
---|
1070 | /// |
---|
1071 | /// This function gives back the first edge incident to the given |
---|
1072 | /// node. The bool parameter gives back the direction for which the |
---|
1073 | /// source node of the directed arc representing the edge is the |
---|
1074 | /// given node. |
---|
1075 | void firstInc(Edge&, bool&, const Node&) const {} |
---|
1076 | |
---|
1077 | /// \brief Gives back the next of the edges from the |
---|
1078 | /// given node. |
---|
1079 | /// |
---|
1080 | /// This function gives back the next edge incident to the given |
---|
1081 | /// node. The bool parameter should be used as \c firstInc() use it. |
---|
1082 | void nextInc(Edge&, bool&) const {} |
---|
1083 | |
---|
1084 | using IterableDigraphComponent<Base>::baseNode; |
---|
1085 | using IterableDigraphComponent<Base>::runningNode; |
---|
1086 | |
---|
1087 | /// @} |
---|
1088 | |
---|
1089 | /// \name Class Based Iteration |
---|
1090 | /// |
---|
1091 | /// This interface provides iterator classes for edges. |
---|
1092 | /// |
---|
1093 | /// @{ |
---|
1094 | |
---|
1095 | /// \brief This iterator goes through each edge. |
---|
1096 | /// |
---|
1097 | /// This iterator goes through each edge. |
---|
1098 | typedef GraphItemIt<Graph, Edge> EdgeIt; |
---|
1099 | |
---|
1100 | /// \brief This iterator goes trough the incident edges of a |
---|
1101 | /// node. |
---|
1102 | /// |
---|
1103 | /// This iterator goes trough the incident edges of a certain |
---|
1104 | /// node of a graph. |
---|
1105 | typedef GraphIncIt<Graph, Edge, Node, 'e'> IncEdgeIt; |
---|
1106 | |
---|
1107 | /// \brief The base node of the iterator. |
---|
1108 | /// |
---|
1109 | /// This function gives back the base node of the iterator. |
---|
1110 | Node baseNode(const IncEdgeIt&) const { return INVALID; } |
---|
1111 | |
---|
1112 | /// \brief The running node of the iterator. |
---|
1113 | /// |
---|
1114 | /// This function gives back the running node of the iterator. |
---|
1115 | Node runningNode(const IncEdgeIt&) const { return INVALID; } |
---|
1116 | |
---|
1117 | /// @} |
---|
1118 | |
---|
1119 | template <typename _Graph> |
---|
1120 | struct Constraints { |
---|
1121 | void constraints() { |
---|
1122 | checkConcept<IterableDigraphComponent<Base>, _Graph>(); |
---|
1123 | |
---|
1124 | { |
---|
1125 | typename _Graph::Node node(INVALID); |
---|
1126 | typename _Graph::Edge edge(INVALID); |
---|
1127 | bool dir; |
---|
1128 | { |
---|
1129 | graph.first(edge); |
---|
1130 | graph.next(edge); |
---|
1131 | } |
---|
1132 | { |
---|
1133 | graph.firstInc(edge, dir, node); |
---|
1134 | graph.nextInc(edge, dir); |
---|
1135 | } |
---|
1136 | |
---|
1137 | } |
---|
1138 | |
---|
1139 | { |
---|
1140 | checkConcept<GraphItemIt<_Graph, typename _Graph::Edge>, |
---|
1141 | typename _Graph::EdgeIt >(); |
---|
1142 | checkConcept<GraphIncIt<_Graph, typename _Graph::Edge, |
---|
1143 | typename _Graph::Node, 'e'>, typename _Graph::IncEdgeIt>(); |
---|
1144 | |
---|
1145 | typename _Graph::Node n; |
---|
1146 | const typename _Graph::IncEdgeIt ieit(INVALID); |
---|
1147 | n = graph.baseNode(ieit); |
---|
1148 | n = graph.runningNode(ieit); |
---|
1149 | } |
---|
1150 | } |
---|
1151 | |
---|
1152 | const _Graph& graph; |
---|
1153 | Constraints() {} |
---|
1154 | }; |
---|
1155 | }; |
---|
1156 | |
---|
1157 | /// \brief Skeleton class for iterable undirected bipartite graphs. |
---|
1158 | /// |
---|
1159 | /// This class describes the interface of iterable undirected |
---|
1160 | /// bipartite graphs. It extends \ref IterableGraphComponent with |
---|
1161 | /// the core iterable interface of undirected bipartite graphs. |
---|
1162 | /// This concept is part of the BpGraph concept. |
---|
1163 | template <typename BAS = BaseBpGraphComponent> |
---|
1164 | class IterableBpGraphComponent : public IterableGraphComponent<BAS> { |
---|
1165 | public: |
---|
1166 | |
---|
1167 | typedef BAS Base; |
---|
1168 | typedef typename Base::Node Node; |
---|
1169 | typedef typename Base::RedNode RedNode; |
---|
1170 | typedef typename Base::BlueNode BlueNode; |
---|
1171 | typedef typename Base::Arc Arc; |
---|
1172 | typedef typename Base::Edge Edge; |
---|
1173 | |
---|
1174 | typedef IterableBpGraphComponent BpGraph; |
---|
1175 | |
---|
1176 | using IterableGraphComponent<BAS>::first; |
---|
1177 | using IterableGraphComponent<BAS>::next; |
---|
1178 | |
---|
1179 | /// \name Base Iteration |
---|
1180 | /// |
---|
1181 | /// This interface provides functions for iteration on red and blue nodes. |
---|
1182 | /// |
---|
1183 | /// @{ |
---|
1184 | |
---|
1185 | /// \brief Return the first red node. |
---|
1186 | /// |
---|
1187 | /// This function gives back the first red node in the iteration order. |
---|
1188 | void first(RedNode&) const {} |
---|
1189 | |
---|
1190 | /// \brief Return the next red node. |
---|
1191 | /// |
---|
1192 | /// This function gives back the next red node in the iteration order. |
---|
1193 | void next(RedNode&) const {} |
---|
1194 | |
---|
1195 | /// \brief Return the first blue node. |
---|
1196 | /// |
---|
1197 | /// This function gives back the first blue node in the iteration order. |
---|
1198 | void first(BlueNode&) const {} |
---|
1199 | |
---|
1200 | /// \brief Return the next blue node. |
---|
1201 | /// |
---|
1202 | /// This function gives back the next blue node in the iteration order. |
---|
1203 | void next(BlueNode&) const {} |
---|
1204 | |
---|
1205 | |
---|
1206 | /// @} |
---|
1207 | |
---|
1208 | /// \name Class Based Iteration |
---|
1209 | /// |
---|
1210 | /// This interface provides iterator classes for red and blue nodes. |
---|
1211 | /// |
---|
1212 | /// @{ |
---|
1213 | |
---|
1214 | /// \brief This iterator goes through each red node. |
---|
1215 | /// |
---|
1216 | /// This iterator goes through each red node. |
---|
1217 | typedef GraphItemIt<BpGraph, RedNode> RedNodeIt; |
---|
1218 | |
---|
1219 | /// \brief This iterator goes through each blue node. |
---|
1220 | /// |
---|
1221 | /// This iterator goes through each blue node. |
---|
1222 | typedef GraphItemIt<BpGraph, BlueNode> BlueNodeIt; |
---|
1223 | |
---|
1224 | /// @} |
---|
1225 | |
---|
1226 | template <typename _BpGraph> |
---|
1227 | struct Constraints { |
---|
1228 | void constraints() { |
---|
1229 | checkConcept<IterableGraphComponent<Base>, _BpGraph>(); |
---|
1230 | |
---|
1231 | typename _BpGraph::RedNode rn(INVALID); |
---|
1232 | bpgraph.first(rn); |
---|
1233 | bpgraph.next(rn); |
---|
1234 | typename _BpGraph::BlueNode bn(INVALID); |
---|
1235 | bpgraph.first(bn); |
---|
1236 | bpgraph.next(bn); |
---|
1237 | |
---|
1238 | checkConcept<GraphItemIt<_BpGraph, typename _BpGraph::RedNode>, |
---|
1239 | typename _BpGraph::RedNodeIt>(); |
---|
1240 | checkConcept<GraphItemIt<_BpGraph, typename _BpGraph::BlueNode>, |
---|
1241 | typename _BpGraph::BlueNodeIt>(); |
---|
1242 | } |
---|
1243 | |
---|
1244 | const _BpGraph& bpgraph; |
---|
1245 | }; |
---|
1246 | }; |
---|
1247 | |
---|
1248 | /// \brief Skeleton class for alterable directed graphs. |
---|
1249 | /// |
---|
1250 | /// This class describes the interface of alterable directed |
---|
1251 | /// graphs. It extends \ref BaseDigraphComponent with the alteration |
---|
1252 | /// notifier interface. It implements |
---|
1253 | /// an observer-notifier pattern for each digraph item. More |
---|
1254 | /// obsevers can be registered into the notifier and whenever an |
---|
1255 | /// alteration occured in the digraph all the observers will be |
---|
1256 | /// notified about it. |
---|
1257 | template <typename BAS = BaseDigraphComponent> |
---|
1258 | class AlterableDigraphComponent : public BAS { |
---|
1259 | public: |
---|
1260 | |
---|
1261 | typedef BAS Base; |
---|
1262 | typedef typename Base::Node Node; |
---|
1263 | typedef typename Base::Arc Arc; |
---|
1264 | |
---|
1265 | |
---|
1266 | /// Node alteration notifier class. |
---|
1267 | typedef AlterationNotifier<AlterableDigraphComponent, Node> |
---|
1268 | NodeNotifier; |
---|
1269 | /// Arc alteration notifier class. |
---|
1270 | typedef AlterationNotifier<AlterableDigraphComponent, Arc> |
---|
1271 | ArcNotifier; |
---|
1272 | |
---|
1273 | mutable NodeNotifier node_notifier; |
---|
1274 | mutable ArcNotifier arc_notifier; |
---|
1275 | |
---|
1276 | /// \brief Return the node alteration notifier. |
---|
1277 | /// |
---|
1278 | /// This function gives back the node alteration notifier. |
---|
1279 | NodeNotifier& notifier(Node) const { |
---|
1280 | return node_notifier; |
---|
1281 | } |
---|
1282 | |
---|
1283 | /// \brief Return the arc alteration notifier. |
---|
1284 | /// |
---|
1285 | /// This function gives back the arc alteration notifier. |
---|
1286 | ArcNotifier& notifier(Arc) const { |
---|
1287 | return arc_notifier; |
---|
1288 | } |
---|
1289 | |
---|
1290 | template <typename _Digraph> |
---|
1291 | struct Constraints { |
---|
1292 | void constraints() { |
---|
1293 | checkConcept<Base, _Digraph>(); |
---|
1294 | typename _Digraph::NodeNotifier& nn |
---|
1295 | = digraph.notifier(typename _Digraph::Node()); |
---|
1296 | |
---|
1297 | typename _Digraph::ArcNotifier& en |
---|
1298 | = digraph.notifier(typename _Digraph::Arc()); |
---|
1299 | |
---|
1300 | ::lemon::ignore_unused_variable_warning(nn); |
---|
1301 | ::lemon::ignore_unused_variable_warning(en); |
---|
1302 | } |
---|
1303 | |
---|
1304 | const _Digraph& digraph; |
---|
1305 | Constraints() {} |
---|
1306 | }; |
---|
1307 | }; |
---|
1308 | |
---|
1309 | /// \brief Skeleton class for alterable undirected graphs. |
---|
1310 | /// |
---|
1311 | /// This class describes the interface of alterable undirected |
---|
1312 | /// graphs. It extends \ref AlterableDigraphComponent with the alteration |
---|
1313 | /// notifier interface of undirected graphs. It implements |
---|
1314 | /// an observer-notifier pattern for the edges. More |
---|
1315 | /// obsevers can be registered into the notifier and whenever an |
---|
1316 | /// alteration occured in the graph all the observers will be |
---|
1317 | /// notified about it. |
---|
1318 | template <typename BAS = BaseGraphComponent> |
---|
1319 | class AlterableGraphComponent : public AlterableDigraphComponent<BAS> { |
---|
1320 | public: |
---|
1321 | |
---|
1322 | typedef BAS Base; |
---|
1323 | typedef AlterableDigraphComponent<Base> Parent; |
---|
1324 | typedef typename Base::Edge Edge; |
---|
1325 | |
---|
1326 | |
---|
1327 | /// Edge alteration notifier class. |
---|
1328 | typedef AlterationNotifier<AlterableGraphComponent, Edge> |
---|
1329 | EdgeNotifier; |
---|
1330 | |
---|
1331 | mutable EdgeNotifier edge_notifier; |
---|
1332 | |
---|
1333 | using Parent::notifier; |
---|
1334 | |
---|
1335 | /// \brief Return the edge alteration notifier. |
---|
1336 | /// |
---|
1337 | /// This function gives back the edge alteration notifier. |
---|
1338 | EdgeNotifier& notifier(Edge) const { |
---|
1339 | return edge_notifier; |
---|
1340 | } |
---|
1341 | |
---|
1342 | template <typename _Graph> |
---|
1343 | struct Constraints { |
---|
1344 | void constraints() { |
---|
1345 | checkConcept<AlterableDigraphComponent<Base>, _Graph>(); |
---|
1346 | typename _Graph::EdgeNotifier& uen |
---|
1347 | = graph.notifier(typename _Graph::Edge()); |
---|
1348 | ::lemon::ignore_unused_variable_warning(uen); |
---|
1349 | } |
---|
1350 | |
---|
1351 | const _Graph& graph; |
---|
1352 | Constraints() {} |
---|
1353 | }; |
---|
1354 | }; |
---|
1355 | |
---|
1356 | /// \brief Skeleton class for alterable undirected bipartite graphs. |
---|
1357 | /// |
---|
1358 | /// This class describes the interface of alterable undirected |
---|
1359 | /// bipartite graphs. It extends \ref AlterableGraphComponent with |
---|
1360 | /// the alteration notifier interface of bipartite graphs. It |
---|
1361 | /// implements an observer-notifier pattern for the red and blue |
---|
1362 | /// nodes. More obsevers can be registered into the notifier and |
---|
1363 | /// whenever an alteration occured in the graph all the observers |
---|
1364 | /// will be notified about it. |
---|
1365 | template <typename BAS = BaseBpGraphComponent> |
---|
1366 | class AlterableBpGraphComponent : public AlterableGraphComponent<BAS> { |
---|
1367 | public: |
---|
1368 | |
---|
1369 | typedef BAS Base; |
---|
1370 | typedef AlterableGraphComponent<Base> Parent; |
---|
1371 | typedef typename Base::RedNode RedNode; |
---|
1372 | typedef typename Base::BlueNode BlueNode; |
---|
1373 | |
---|
1374 | |
---|
1375 | /// Red node alteration notifier class. |
---|
1376 | typedef AlterationNotifier<AlterableBpGraphComponent, RedNode> |
---|
1377 | RedNodeNotifier; |
---|
1378 | |
---|
1379 | /// Blue node alteration notifier class. |
---|
1380 | typedef AlterationNotifier<AlterableBpGraphComponent, BlueNode> |
---|
1381 | BlueNodeNotifier; |
---|
1382 | |
---|
1383 | mutable RedNodeNotifier red_node_notifier; |
---|
1384 | mutable BlueNodeNotifier blue_node_notifier; |
---|
1385 | |
---|
1386 | using Parent::notifier; |
---|
1387 | |
---|
1388 | /// \brief Return the red node alteration notifier. |
---|
1389 | /// |
---|
1390 | /// This function gives back the red node alteration notifier. |
---|
1391 | RedNodeNotifier& notifier(RedNode) const { |
---|
1392 | return red_node_notifier; |
---|
1393 | } |
---|
1394 | |
---|
1395 | /// \brief Return the blue node alteration notifier. |
---|
1396 | /// |
---|
1397 | /// This function gives back the blue node alteration notifier. |
---|
1398 | BlueNodeNotifier& notifier(BlueNode) const { |
---|
1399 | return blue_node_notifier; |
---|
1400 | } |
---|
1401 | |
---|
1402 | template <typename _BpGraph> |
---|
1403 | struct Constraints { |
---|
1404 | void constraints() { |
---|
1405 | checkConcept<AlterableGraphComponent<Base>, _BpGraph>(); |
---|
1406 | typename _BpGraph::RedNodeNotifier& rnn |
---|
1407 | = bpgraph.notifier(typename _BpGraph::RedNode()); |
---|
1408 | typename _BpGraph::BlueNodeNotifier& bnn |
---|
1409 | = bpgraph.notifier(typename _BpGraph::BlueNode()); |
---|
1410 | ::lemon::ignore_unused_variable_warning(rnn); |
---|
1411 | ::lemon::ignore_unused_variable_warning(bnn); |
---|
1412 | } |
---|
1413 | |
---|
1414 | const _BpGraph& bpgraph; |
---|
1415 | }; |
---|
1416 | }; |
---|
1417 | |
---|
1418 | /// \brief Concept class for standard graph maps. |
---|
1419 | /// |
---|
1420 | /// This class describes the concept of standard graph maps, i.e. |
---|
1421 | /// the \c NodeMap, \c ArcMap and \c EdgeMap subtypes of digraph and |
---|
1422 | /// graph types, which can be used for associating data to graph items. |
---|
1423 | /// The standard graph maps must conform to the ReferenceMap concept. |
---|
1424 | template <typename GR, typename K, typename V> |
---|
1425 | class GraphMap : public ReferenceMap<K, V, V&, const V&> { |
---|
1426 | typedef ReferenceMap<K, V, V&, const V&> Parent; |
---|
1427 | |
---|
1428 | public: |
---|
1429 | |
---|
1430 | /// The key type of the map. |
---|
1431 | typedef K Key; |
---|
1432 | /// The value type of the map. |
---|
1433 | typedef V Value; |
---|
1434 | /// The reference type of the map. |
---|
1435 | typedef Value& Reference; |
---|
1436 | /// The const reference type of the map. |
---|
1437 | typedef const Value& ConstReference; |
---|
1438 | |
---|
1439 | // The reference map tag. |
---|
1440 | typedef True ReferenceMapTag; |
---|
1441 | |
---|
1442 | /// \brief Construct a new map. |
---|
1443 | /// |
---|
1444 | /// Construct a new map for the graph. |
---|
1445 | explicit GraphMap(const GR&) {} |
---|
1446 | /// \brief Construct a new map with default value. |
---|
1447 | /// |
---|
1448 | /// Construct a new map for the graph and initalize the values. |
---|
1449 | GraphMap(const GR&, const Value&) {} |
---|
1450 | |
---|
1451 | private: |
---|
1452 | /// \brief Copy constructor. |
---|
1453 | /// |
---|
1454 | /// Copy Constructor. |
---|
1455 | GraphMap(const GraphMap&) : Parent() {} |
---|
1456 | |
---|
1457 | /// \brief Assignment operator. |
---|
1458 | /// |
---|
1459 | /// Assignment operator. It does not mofify the underlying graph, |
---|
1460 | /// it just iterates on the current item set and set the map |
---|
1461 | /// with the value returned by the assigned map. |
---|
1462 | template <typename CMap> |
---|
1463 | GraphMap& operator=(const CMap&) { |
---|
1464 | checkConcept<ReadMap<Key, Value>, CMap>(); |
---|
1465 | return *this; |
---|
1466 | } |
---|
1467 | |
---|
1468 | public: |
---|
1469 | template<typename _Map> |
---|
1470 | struct Constraints { |
---|
1471 | void constraints() { |
---|
1472 | checkConcept |
---|
1473 | <ReferenceMap<Key, Value, Value&, const Value&>, _Map>(); |
---|
1474 | _Map m1(g); |
---|
1475 | _Map m2(g,t); |
---|
1476 | |
---|
1477 | // Copy constructor |
---|
1478 | // _Map m3(m); |
---|
1479 | |
---|
1480 | // Assignment operator |
---|
1481 | // ReadMap<Key, Value> cmap; |
---|
1482 | // m3 = cmap; |
---|
1483 | |
---|
1484 | ::lemon::ignore_unused_variable_warning(m1); |
---|
1485 | ::lemon::ignore_unused_variable_warning(m2); |
---|
1486 | // ::lemon::ignore_unused_variable_warning(m3); |
---|
1487 | } |
---|
1488 | |
---|
1489 | const _Map &m; |
---|
1490 | const GR &g; |
---|
1491 | const typename GraphMap::Value &t; |
---|
1492 | Constraints() {} |
---|
1493 | }; |
---|
1494 | |
---|
1495 | }; |
---|
1496 | |
---|
1497 | /// \brief Skeleton class for mappable directed graphs. |
---|
1498 | /// |
---|
1499 | /// This class describes the interface of mappable directed graphs. |
---|
1500 | /// It extends \ref BaseDigraphComponent with the standard digraph |
---|
1501 | /// map classes, namely \c NodeMap and \c ArcMap. |
---|
1502 | /// This concept is part of the Digraph concept. |
---|
1503 | template <typename BAS = BaseDigraphComponent> |
---|
1504 | class MappableDigraphComponent : public BAS { |
---|
1505 | public: |
---|
1506 | |
---|
1507 | typedef BAS Base; |
---|
1508 | typedef typename Base::Node Node; |
---|
1509 | typedef typename Base::Arc Arc; |
---|
1510 | |
---|
1511 | typedef MappableDigraphComponent Digraph; |
---|
1512 | |
---|
1513 | /// \brief Standard graph map for the nodes. |
---|
1514 | /// |
---|
1515 | /// Standard graph map for the nodes. |
---|
1516 | /// It conforms to the ReferenceMap concept. |
---|
1517 | template <typename V> |
---|
1518 | class NodeMap : public GraphMap<MappableDigraphComponent, Node, V> { |
---|
1519 | typedef GraphMap<MappableDigraphComponent, Node, V> Parent; |
---|
1520 | |
---|
1521 | public: |
---|
1522 | /// \brief Construct a new map. |
---|
1523 | /// |
---|
1524 | /// Construct a new map for the digraph. |
---|
1525 | explicit NodeMap(const MappableDigraphComponent& digraph) |
---|
1526 | : Parent(digraph) {} |
---|
1527 | |
---|
1528 | /// \brief Construct a new map with default value. |
---|
1529 | /// |
---|
1530 | /// Construct a new map for the digraph and initalize the values. |
---|
1531 | NodeMap(const MappableDigraphComponent& digraph, const V& value) |
---|
1532 | : Parent(digraph, value) {} |
---|
1533 | |
---|
1534 | private: |
---|
1535 | /// \brief Copy constructor. |
---|
1536 | /// |
---|
1537 | /// Copy Constructor. |
---|
1538 | NodeMap(const NodeMap& nm) : Parent(nm) {} |
---|
1539 | |
---|
1540 | /// \brief Assignment operator. |
---|
1541 | /// |
---|
1542 | /// Assignment operator. |
---|
1543 | template <typename CMap> |
---|
1544 | NodeMap& operator=(const CMap&) { |
---|
1545 | checkConcept<ReadMap<Node, V>, CMap>(); |
---|
1546 | return *this; |
---|
1547 | } |
---|
1548 | |
---|
1549 | }; |
---|
1550 | |
---|
1551 | /// \brief Standard graph map for the arcs. |
---|
1552 | /// |
---|
1553 | /// Standard graph map for the arcs. |
---|
1554 | /// It conforms to the ReferenceMap concept. |
---|
1555 | template <typename V> |
---|
1556 | class ArcMap : public GraphMap<MappableDigraphComponent, Arc, V> { |
---|
1557 | typedef GraphMap<MappableDigraphComponent, Arc, V> Parent; |
---|
1558 | |
---|
1559 | public: |
---|
1560 | /// \brief Construct a new map. |
---|
1561 | /// |
---|
1562 | /// Construct a new map for the digraph. |
---|
1563 | explicit ArcMap(const MappableDigraphComponent& digraph) |
---|
1564 | : Parent(digraph) {} |
---|
1565 | |
---|
1566 | /// \brief Construct a new map with default value. |
---|
1567 | /// |
---|
1568 | /// Construct a new map for the digraph and initalize the values. |
---|
1569 | ArcMap(const MappableDigraphComponent& digraph, const V& value) |
---|
1570 | : Parent(digraph, value) {} |
---|
1571 | |
---|
1572 | private: |
---|
1573 | /// \brief Copy constructor. |
---|
1574 | /// |
---|
1575 | /// Copy Constructor. |
---|
1576 | ArcMap(const ArcMap& nm) : Parent(nm) {} |
---|
1577 | |
---|
1578 | /// \brief Assignment operator. |
---|
1579 | /// |
---|
1580 | /// Assignment operator. |
---|
1581 | template <typename CMap> |
---|
1582 | ArcMap& operator=(const CMap&) { |
---|
1583 | checkConcept<ReadMap<Arc, V>, CMap>(); |
---|
1584 | return *this; |
---|
1585 | } |
---|
1586 | |
---|
1587 | }; |
---|
1588 | |
---|
1589 | |
---|
1590 | template <typename _Digraph> |
---|
1591 | struct Constraints { |
---|
1592 | |
---|
1593 | struct Dummy { |
---|
1594 | int value; |
---|
1595 | Dummy() : value(0) {} |
---|
1596 | Dummy(int _v) : value(_v) {} |
---|
1597 | }; |
---|
1598 | |
---|
1599 | void constraints() { |
---|
1600 | checkConcept<Base, _Digraph>(); |
---|
1601 | { // int map test |
---|
1602 | typedef typename _Digraph::template NodeMap<int> IntNodeMap; |
---|
1603 | checkConcept<GraphMap<_Digraph, typename _Digraph::Node, int>, |
---|
1604 | IntNodeMap >(); |
---|
1605 | } { // bool map test |
---|
1606 | typedef typename _Digraph::template NodeMap<bool> BoolNodeMap; |
---|
1607 | checkConcept<GraphMap<_Digraph, typename _Digraph::Node, bool>, |
---|
1608 | BoolNodeMap >(); |
---|
1609 | } { // Dummy map test |
---|
1610 | typedef typename _Digraph::template NodeMap<Dummy> DummyNodeMap; |
---|
1611 | checkConcept<GraphMap<_Digraph, typename _Digraph::Node, Dummy>, |
---|
1612 | DummyNodeMap >(); |
---|
1613 | } |
---|
1614 | |
---|
1615 | { // int map test |
---|
1616 | typedef typename _Digraph::template ArcMap<int> IntArcMap; |
---|
1617 | checkConcept<GraphMap<_Digraph, typename _Digraph::Arc, int>, |
---|
1618 | IntArcMap >(); |
---|
1619 | } { // bool map test |
---|
1620 | typedef typename _Digraph::template ArcMap<bool> BoolArcMap; |
---|
1621 | checkConcept<GraphMap<_Digraph, typename _Digraph::Arc, bool>, |
---|
1622 | BoolArcMap >(); |
---|
1623 | } { // Dummy map test |
---|
1624 | typedef typename _Digraph::template ArcMap<Dummy> DummyArcMap; |
---|
1625 | checkConcept<GraphMap<_Digraph, typename _Digraph::Arc, Dummy>, |
---|
1626 | DummyArcMap >(); |
---|
1627 | } |
---|
1628 | } |
---|
1629 | |
---|
1630 | const _Digraph& digraph; |
---|
1631 | Constraints() {} |
---|
1632 | }; |
---|
1633 | }; |
---|
1634 | |
---|
1635 | /// \brief Skeleton class for mappable undirected graphs. |
---|
1636 | /// |
---|
1637 | /// This class describes the interface of mappable undirected graphs. |
---|
1638 | /// It extends \ref MappableDigraphComponent with the standard graph |
---|
1639 | /// map class for edges (\c EdgeMap). |
---|
1640 | /// This concept is part of the Graph concept. |
---|
1641 | template <typename BAS = BaseGraphComponent> |
---|
1642 | class MappableGraphComponent : public MappableDigraphComponent<BAS> { |
---|
1643 | public: |
---|
1644 | |
---|
1645 | typedef BAS Base; |
---|
1646 | typedef typename Base::Edge Edge; |
---|
1647 | |
---|
1648 | typedef MappableGraphComponent Graph; |
---|
1649 | |
---|
1650 | /// \brief Standard graph map for the edges. |
---|
1651 | /// |
---|
1652 | /// Standard graph map for the edges. |
---|
1653 | /// It conforms to the ReferenceMap concept. |
---|
1654 | template <typename V> |
---|
1655 | class EdgeMap : public GraphMap<MappableGraphComponent, Edge, V> { |
---|
1656 | typedef GraphMap<MappableGraphComponent, Edge, V> Parent; |
---|
1657 | |
---|
1658 | public: |
---|
1659 | /// \brief Construct a new map. |
---|
1660 | /// |
---|
1661 | /// Construct a new map for the graph. |
---|
1662 | explicit EdgeMap(const MappableGraphComponent& graph) |
---|
1663 | : Parent(graph) {} |
---|
1664 | |
---|
1665 | /// \brief Construct a new map with default value. |
---|
1666 | /// |
---|
1667 | /// Construct a new map for the graph and initalize the values. |
---|
1668 | EdgeMap(const MappableGraphComponent& graph, const V& value) |
---|
1669 | : Parent(graph, value) {} |
---|
1670 | |
---|
1671 | private: |
---|
1672 | /// \brief Copy constructor. |
---|
1673 | /// |
---|
1674 | /// Copy Constructor. |
---|
1675 | EdgeMap(const EdgeMap& nm) : Parent(nm) {} |
---|
1676 | |
---|
1677 | /// \brief Assignment operator. |
---|
1678 | /// |
---|
1679 | /// Assignment operator. |
---|
1680 | template <typename CMap> |
---|
1681 | EdgeMap& operator=(const CMap&) { |
---|
1682 | checkConcept<ReadMap<Edge, V>, CMap>(); |
---|
1683 | return *this; |
---|
1684 | } |
---|
1685 | |
---|
1686 | }; |
---|
1687 | |
---|
1688 | |
---|
1689 | template <typename _Graph> |
---|
1690 | struct Constraints { |
---|
1691 | |
---|
1692 | struct Dummy { |
---|
1693 | int value; |
---|
1694 | Dummy() : value(0) {} |
---|
1695 | Dummy(int _v) : value(_v) {} |
---|
1696 | }; |
---|
1697 | |
---|
1698 | void constraints() { |
---|
1699 | checkConcept<MappableDigraphComponent<Base>, _Graph>(); |
---|
1700 | |
---|
1701 | { // int map test |
---|
1702 | typedef typename _Graph::template EdgeMap<int> IntEdgeMap; |
---|
1703 | checkConcept<GraphMap<_Graph, typename _Graph::Edge, int>, |
---|
1704 | IntEdgeMap >(); |
---|
1705 | } { // bool map test |
---|
1706 | typedef typename _Graph::template EdgeMap<bool> BoolEdgeMap; |
---|
1707 | checkConcept<GraphMap<_Graph, typename _Graph::Edge, bool>, |
---|
1708 | BoolEdgeMap >(); |
---|
1709 | } { // Dummy map test |
---|
1710 | typedef typename _Graph::template EdgeMap<Dummy> DummyEdgeMap; |
---|
1711 | checkConcept<GraphMap<_Graph, typename _Graph::Edge, Dummy>, |
---|
1712 | DummyEdgeMap >(); |
---|
1713 | } |
---|
1714 | } |
---|
1715 | |
---|
1716 | const _Graph& graph; |
---|
1717 | Constraints() {} |
---|
1718 | }; |
---|
1719 | }; |
---|
1720 | |
---|
1721 | /// \brief Skeleton class for mappable undirected bipartite graphs. |
---|
1722 | /// |
---|
1723 | /// This class describes the interface of mappable undirected |
---|
1724 | /// bipartite graphs. It extends \ref MappableGraphComponent with |
---|
1725 | /// the standard graph map class for red and blue nodes (\c |
---|
1726 | /// RedNodeMap and BlueNodeMap). This concept is part of the |
---|
1727 | /// BpGraph concept. |
---|
1728 | template <typename BAS = BaseBpGraphComponent> |
---|
1729 | class MappableBpGraphComponent : public MappableGraphComponent<BAS> { |
---|
1730 | public: |
---|
1731 | |
---|
1732 | typedef BAS Base; |
---|
1733 | typedef typename Base::Node Node; |
---|
1734 | |
---|
1735 | typedef MappableBpGraphComponent BpGraph; |
---|
1736 | |
---|
1737 | /// \brief Standard graph map for the red nodes. |
---|
1738 | /// |
---|
1739 | /// Standard graph map for the red nodes. |
---|
1740 | /// It conforms to the ReferenceMap concept. |
---|
1741 | template <typename V> |
---|
1742 | class RedNodeMap : public GraphMap<MappableBpGraphComponent, Node, V> { |
---|
1743 | typedef GraphMap<MappableBpGraphComponent, Node, V> Parent; |
---|
1744 | |
---|
1745 | public: |
---|
1746 | /// \brief Construct a new map. |
---|
1747 | /// |
---|
1748 | /// Construct a new map for the graph. |
---|
1749 | explicit RedNodeMap(const MappableBpGraphComponent& graph) |
---|
1750 | : Parent(graph) {} |
---|
1751 | |
---|
1752 | /// \brief Construct a new map with default value. |
---|
1753 | /// |
---|
1754 | /// Construct a new map for the graph and initalize the values. |
---|
1755 | RedNodeMap(const MappableBpGraphComponent& graph, const V& value) |
---|
1756 | : Parent(graph, value) {} |
---|
1757 | |
---|
1758 | private: |
---|
1759 | /// \brief Copy constructor. |
---|
1760 | /// |
---|
1761 | /// Copy Constructor. |
---|
1762 | RedNodeMap(const RedNodeMap& nm) : Parent(nm) {} |
---|
1763 | |
---|
1764 | /// \brief Assignment operator. |
---|
1765 | /// |
---|
1766 | /// Assignment operator. |
---|
1767 | template <typename CMap> |
---|
1768 | RedNodeMap& operator=(const CMap&) { |
---|
1769 | checkConcept<ReadMap<Node, V>, CMap>(); |
---|
1770 | return *this; |
---|
1771 | } |
---|
1772 | |
---|
1773 | }; |
---|
1774 | |
---|
1775 | /// \brief Standard graph map for the blue nodes. |
---|
1776 | /// |
---|
1777 | /// Standard graph map for the blue nodes. |
---|
1778 | /// It conforms to the ReferenceMap concept. |
---|
1779 | template <typename V> |
---|
1780 | class BlueNodeMap : public GraphMap<MappableBpGraphComponent, Node, V> { |
---|
1781 | typedef GraphMap<MappableBpGraphComponent, Node, V> Parent; |
---|
1782 | |
---|
1783 | public: |
---|
1784 | /// \brief Construct a new map. |
---|
1785 | /// |
---|
1786 | /// Construct a new map for the graph. |
---|
1787 | explicit BlueNodeMap(const MappableBpGraphComponent& graph) |
---|
1788 | : Parent(graph) {} |
---|
1789 | |
---|
1790 | /// \brief Construct a new map with default value. |
---|
1791 | /// |
---|
1792 | /// Construct a new map for the graph and initalize the values. |
---|
1793 | BlueNodeMap(const MappableBpGraphComponent& graph, const V& value) |
---|
1794 | : Parent(graph, value) {} |
---|
1795 | |
---|
1796 | private: |
---|
1797 | /// \brief Copy constructor. |
---|
1798 | /// |
---|
1799 | /// Copy Constructor. |
---|
1800 | BlueNodeMap(const BlueNodeMap& nm) : Parent(nm) {} |
---|
1801 | |
---|
1802 | /// \brief Assignment operator. |
---|
1803 | /// |
---|
1804 | /// Assignment operator. |
---|
1805 | template <typename CMap> |
---|
1806 | BlueNodeMap& operator=(const CMap&) { |
---|
1807 | checkConcept<ReadMap<Node, V>, CMap>(); |
---|
1808 | return *this; |
---|
1809 | } |
---|
1810 | |
---|
1811 | }; |
---|
1812 | |
---|
1813 | |
---|
1814 | template <typename _BpGraph> |
---|
1815 | struct Constraints { |
---|
1816 | |
---|
1817 | struct Dummy { |
---|
1818 | int value; |
---|
1819 | Dummy() : value(0) {} |
---|
1820 | Dummy(int _v) : value(_v) {} |
---|
1821 | }; |
---|
1822 | |
---|
1823 | void constraints() { |
---|
1824 | checkConcept<MappableGraphComponent<Base>, _BpGraph>(); |
---|
1825 | |
---|
1826 | { // int map test |
---|
1827 | typedef typename _BpGraph::template RedNodeMap<int> |
---|
1828 | IntRedNodeMap; |
---|
1829 | checkConcept<GraphMap<_BpGraph, typename _BpGraph::RedNode, int>, |
---|
1830 | IntRedNodeMap >(); |
---|
1831 | } { // bool map test |
---|
1832 | typedef typename _BpGraph::template RedNodeMap<bool> |
---|
1833 | BoolRedNodeMap; |
---|
1834 | checkConcept<GraphMap<_BpGraph, typename _BpGraph::RedNode, bool>, |
---|
1835 | BoolRedNodeMap >(); |
---|
1836 | } { // Dummy map test |
---|
1837 | typedef typename _BpGraph::template RedNodeMap<Dummy> |
---|
1838 | DummyRedNodeMap; |
---|
1839 | checkConcept<GraphMap<_BpGraph, typename _BpGraph::RedNode, Dummy>, |
---|
1840 | DummyRedNodeMap >(); |
---|
1841 | } |
---|
1842 | |
---|
1843 | { // int map test |
---|
1844 | typedef typename _BpGraph::template BlueNodeMap<int> |
---|
1845 | IntBlueNodeMap; |
---|
1846 | checkConcept<GraphMap<_BpGraph, typename _BpGraph::BlueNode, int>, |
---|
1847 | IntBlueNodeMap >(); |
---|
1848 | } { // bool map test |
---|
1849 | typedef typename _BpGraph::template BlueNodeMap<bool> |
---|
1850 | BoolBlueNodeMap; |
---|
1851 | checkConcept<GraphMap<_BpGraph, typename _BpGraph::BlueNode, bool>, |
---|
1852 | BoolBlueNodeMap >(); |
---|
1853 | } { // Dummy map test |
---|
1854 | typedef typename _BpGraph::template BlueNodeMap<Dummy> |
---|
1855 | DummyBlueNodeMap; |
---|
1856 | checkConcept<GraphMap<_BpGraph, typename _BpGraph::BlueNode, Dummy>, |
---|
1857 | DummyBlueNodeMap >(); |
---|
1858 | } |
---|
1859 | } |
---|
1860 | |
---|
1861 | const _BpGraph& bpgraph; |
---|
1862 | }; |
---|
1863 | }; |
---|
1864 | |
---|
1865 | /// \brief Skeleton class for extendable directed graphs. |
---|
1866 | /// |
---|
1867 | /// This class describes the interface of extendable directed graphs. |
---|
1868 | /// It extends \ref BaseDigraphComponent with functions for adding |
---|
1869 | /// nodes and arcs to the digraph. |
---|
1870 | /// This concept requires \ref AlterableDigraphComponent. |
---|
1871 | template <typename BAS = BaseDigraphComponent> |
---|
1872 | class ExtendableDigraphComponent : public BAS { |
---|
1873 | public: |
---|
1874 | typedef BAS Base; |
---|
1875 | |
---|
1876 | typedef typename Base::Node Node; |
---|
1877 | typedef typename Base::Arc Arc; |
---|
1878 | |
---|
1879 | /// \brief Add a new node to the digraph. |
---|
1880 | /// |
---|
1881 | /// This function adds a new node to the digraph. |
---|
1882 | Node addNode() { |
---|
1883 | return INVALID; |
---|
1884 | } |
---|
1885 | |
---|
1886 | /// \brief Add a new arc connecting the given two nodes. |
---|
1887 | /// |
---|
1888 | /// This function adds a new arc connecting the given two nodes |
---|
1889 | /// of the digraph. |
---|
1890 | Arc addArc(const Node&, const Node&) { |
---|
1891 | return INVALID; |
---|
1892 | } |
---|
1893 | |
---|
1894 | template <typename _Digraph> |
---|
1895 | struct Constraints { |
---|
1896 | void constraints() { |
---|
1897 | checkConcept<Base, _Digraph>(); |
---|
1898 | typename _Digraph::Node node_a, node_b; |
---|
1899 | node_a = digraph.addNode(); |
---|
1900 | node_b = digraph.addNode(); |
---|
1901 | typename _Digraph::Arc arc; |
---|
1902 | arc = digraph.addArc(node_a, node_b); |
---|
1903 | } |
---|
1904 | |
---|
1905 | _Digraph& digraph; |
---|
1906 | Constraints() {} |
---|
1907 | }; |
---|
1908 | }; |
---|
1909 | |
---|
1910 | /// \brief Skeleton class for extendable undirected graphs. |
---|
1911 | /// |
---|
1912 | /// This class describes the interface of extendable undirected graphs. |
---|
1913 | /// It extends \ref BaseGraphComponent with functions for adding |
---|
1914 | /// nodes and edges to the graph. |
---|
1915 | /// This concept requires \ref AlterableGraphComponent. |
---|
1916 | template <typename BAS = BaseGraphComponent> |
---|
1917 | class ExtendableGraphComponent : public BAS { |
---|
1918 | public: |
---|
1919 | |
---|
1920 | typedef BAS Base; |
---|
1921 | typedef typename Base::Node Node; |
---|
1922 | typedef typename Base::Edge Edge; |
---|
1923 | |
---|
1924 | /// \brief Add a new node to the digraph. |
---|
1925 | /// |
---|
1926 | /// This function adds a new node to the digraph. |
---|
1927 | Node addNode() { |
---|
1928 | return INVALID; |
---|
1929 | } |
---|
1930 | |
---|
1931 | /// \brief Add a new edge connecting the given two nodes. |
---|
1932 | /// |
---|
1933 | /// This function adds a new edge connecting the given two nodes |
---|
1934 | /// of the graph. |
---|
1935 | Edge addEdge(const Node&, const Node&) { |
---|
1936 | return INVALID; |
---|
1937 | } |
---|
1938 | |
---|
1939 | template <typename _Graph> |
---|
1940 | struct Constraints { |
---|
1941 | void constraints() { |
---|
1942 | checkConcept<Base, _Graph>(); |
---|
1943 | typename _Graph::Node node_a, node_b; |
---|
1944 | node_a = graph.addNode(); |
---|
1945 | node_b = graph.addNode(); |
---|
1946 | typename _Graph::Edge edge; |
---|
1947 | edge = graph.addEdge(node_a, node_b); |
---|
1948 | } |
---|
1949 | |
---|
1950 | _Graph& graph; |
---|
1951 | Constraints() {} |
---|
1952 | }; |
---|
1953 | }; |
---|
1954 | |
---|
1955 | /// \brief Skeleton class for extendable undirected bipartite graphs. |
---|
1956 | /// |
---|
1957 | /// This class describes the interface of extendable undirected |
---|
1958 | /// bipartite graphs. It extends \ref BaseGraphComponent with |
---|
1959 | /// functions for adding nodes and edges to the graph. This |
---|
1960 | /// concept requires \ref AlterableBpGraphComponent. |
---|
1961 | template <typename BAS = BaseBpGraphComponent> |
---|
1962 | class ExtendableBpGraphComponent : public BAS { |
---|
1963 | public: |
---|
1964 | |
---|
1965 | typedef BAS Base; |
---|
1966 | typedef typename Base::Node Node; |
---|
1967 | typedef typename Base::RedNode RedNode; |
---|
1968 | typedef typename Base::BlueNode BlueNode; |
---|
1969 | typedef typename Base::Edge Edge; |
---|
1970 | |
---|
1971 | /// \brief Add a new red node to the digraph. |
---|
1972 | /// |
---|
1973 | /// This function adds a red new node to the digraph. |
---|
1974 | RedNode addRedNode() { |
---|
1975 | return INVALID; |
---|
1976 | } |
---|
1977 | |
---|
1978 | /// \brief Add a new blue node to the digraph. |
---|
1979 | /// |
---|
1980 | /// This function adds a blue new node to the digraph. |
---|
1981 | BlueNode addBlueNode() { |
---|
1982 | return INVALID; |
---|
1983 | } |
---|
1984 | |
---|
1985 | /// \brief Add a new edge connecting the given two nodes. |
---|
1986 | /// |
---|
1987 | /// This function adds a new edge connecting the given two nodes |
---|
1988 | /// of the graph. The first node has to be a red node, and the |
---|
1989 | /// second one a blue node. |
---|
1990 | Edge addEdge(const RedNode&, const BlueNode&) { |
---|
1991 | return INVALID; |
---|
1992 | } |
---|
1993 | Edge addEdge(const BlueNode&, const RedNode&) { |
---|
1994 | return INVALID; |
---|
1995 | } |
---|
1996 | |
---|
1997 | template <typename _BpGraph> |
---|
1998 | struct Constraints { |
---|
1999 | void constraints() { |
---|
2000 | checkConcept<Base, _BpGraph>(); |
---|
2001 | typename _BpGraph::RedNode red_node; |
---|
2002 | typename _BpGraph::BlueNode blue_node; |
---|
2003 | red_node = bpgraph.addRedNode(); |
---|
2004 | blue_node = bpgraph.addBlueNode(); |
---|
2005 | typename _BpGraph::Edge edge; |
---|
2006 | edge = bpgraph.addEdge(red_node, blue_node); |
---|
2007 | edge = bpgraph.addEdge(blue_node, red_node); |
---|
2008 | } |
---|
2009 | |
---|
2010 | _BpGraph& bpgraph; |
---|
2011 | }; |
---|
2012 | }; |
---|
2013 | |
---|
2014 | /// \brief Skeleton class for erasable directed graphs. |
---|
2015 | /// |
---|
2016 | /// This class describes the interface of erasable directed graphs. |
---|
2017 | /// It extends \ref BaseDigraphComponent with functions for removing |
---|
2018 | /// nodes and arcs from the digraph. |
---|
2019 | /// This concept requires \ref AlterableDigraphComponent. |
---|
2020 | template <typename BAS = BaseDigraphComponent> |
---|
2021 | class ErasableDigraphComponent : public BAS { |
---|
2022 | public: |
---|
2023 | |
---|
2024 | typedef BAS Base; |
---|
2025 | typedef typename Base::Node Node; |
---|
2026 | typedef typename Base::Arc Arc; |
---|
2027 | |
---|
2028 | /// \brief Erase a node from the digraph. |
---|
2029 | /// |
---|
2030 | /// This function erases the given node from the digraph and all arcs |
---|
2031 | /// connected to the node. |
---|
2032 | void erase(const Node&) {} |
---|
2033 | |
---|
2034 | /// \brief Erase an arc from the digraph. |
---|
2035 | /// |
---|
2036 | /// This function erases the given arc from the digraph. |
---|
2037 | void erase(const Arc&) {} |
---|
2038 | |
---|
2039 | template <typename _Digraph> |
---|
2040 | struct Constraints { |
---|
2041 | void constraints() { |
---|
2042 | checkConcept<Base, _Digraph>(); |
---|
2043 | const typename _Digraph::Node node(INVALID); |
---|
2044 | digraph.erase(node); |
---|
2045 | const typename _Digraph::Arc arc(INVALID); |
---|
2046 | digraph.erase(arc); |
---|
2047 | } |
---|
2048 | |
---|
2049 | _Digraph& digraph; |
---|
2050 | Constraints() {} |
---|
2051 | }; |
---|
2052 | }; |
---|
2053 | |
---|
2054 | /// \brief Skeleton class for erasable undirected graphs. |
---|
2055 | /// |
---|
2056 | /// This class describes the interface of erasable undirected graphs. |
---|
2057 | /// It extends \ref BaseGraphComponent with functions for removing |
---|
2058 | /// nodes and edges from the graph. |
---|
2059 | /// This concept requires \ref AlterableGraphComponent. |
---|
2060 | template <typename BAS = BaseGraphComponent> |
---|
2061 | class ErasableGraphComponent : public BAS { |
---|
2062 | public: |
---|
2063 | |
---|
2064 | typedef BAS Base; |
---|
2065 | typedef typename Base::Node Node; |
---|
2066 | typedef typename Base::Edge Edge; |
---|
2067 | |
---|
2068 | /// \brief Erase a node from the graph. |
---|
2069 | /// |
---|
2070 | /// This function erases the given node from the graph and all edges |
---|
2071 | /// connected to the node. |
---|
2072 | void erase(const Node&) {} |
---|
2073 | |
---|
2074 | /// \brief Erase an edge from the digraph. |
---|
2075 | /// |
---|
2076 | /// This function erases the given edge from the digraph. |
---|
2077 | void erase(const Edge&) {} |
---|
2078 | |
---|
2079 | template <typename _Graph> |
---|
2080 | struct Constraints { |
---|
2081 | void constraints() { |
---|
2082 | checkConcept<Base, _Graph>(); |
---|
2083 | const typename _Graph::Node node(INVALID); |
---|
2084 | graph.erase(node); |
---|
2085 | const typename _Graph::Edge edge(INVALID); |
---|
2086 | graph.erase(edge); |
---|
2087 | } |
---|
2088 | |
---|
2089 | _Graph& graph; |
---|
2090 | Constraints() {} |
---|
2091 | }; |
---|
2092 | }; |
---|
2093 | |
---|
2094 | /// \brief Skeleton class for erasable undirected graphs. |
---|
2095 | /// |
---|
2096 | /// This class describes the interface of erasable undirected |
---|
2097 | /// bipartite graphs. It extends \ref BaseBpGraphComponent with |
---|
2098 | /// functions for removing nodes and edges from the graph. This |
---|
2099 | /// concept requires \ref AlterableBpGraphComponent. |
---|
2100 | template <typename BAS = BaseBpGraphComponent> |
---|
2101 | class ErasableBpGraphComponent : public ErasableGraphComponent<BAS> {}; |
---|
2102 | |
---|
2103 | /// \brief Skeleton class for clearable directed graphs. |
---|
2104 | /// |
---|
2105 | /// This class describes the interface of clearable directed graphs. |
---|
2106 | /// It extends \ref BaseDigraphComponent with a function for clearing |
---|
2107 | /// the digraph. |
---|
2108 | /// This concept requires \ref AlterableDigraphComponent. |
---|
2109 | template <typename BAS = BaseDigraphComponent> |
---|
2110 | class ClearableDigraphComponent : public BAS { |
---|
2111 | public: |
---|
2112 | |
---|
2113 | typedef BAS Base; |
---|
2114 | |
---|
2115 | /// \brief Erase all nodes and arcs from the digraph. |
---|
2116 | /// |
---|
2117 | /// This function erases all nodes and arcs from the digraph. |
---|
2118 | void clear() {} |
---|
2119 | |
---|
2120 | template <typename _Digraph> |
---|
2121 | struct Constraints { |
---|
2122 | void constraints() { |
---|
2123 | checkConcept<Base, _Digraph>(); |
---|
2124 | digraph.clear(); |
---|
2125 | } |
---|
2126 | |
---|
2127 | _Digraph& digraph; |
---|
2128 | Constraints() {} |
---|
2129 | }; |
---|
2130 | }; |
---|
2131 | |
---|
2132 | /// \brief Skeleton class for clearable undirected graphs. |
---|
2133 | /// |
---|
2134 | /// This class describes the interface of clearable undirected graphs. |
---|
2135 | /// It extends \ref BaseGraphComponent with a function for clearing |
---|
2136 | /// the graph. |
---|
2137 | /// This concept requires \ref AlterableGraphComponent. |
---|
2138 | template <typename BAS = BaseGraphComponent> |
---|
2139 | class ClearableGraphComponent : public ClearableDigraphComponent<BAS> {}; |
---|
2140 | |
---|
2141 | /// \brief Skeleton class for clearable undirected biparite graphs. |
---|
2142 | /// |
---|
2143 | /// This class describes the interface of clearable undirected |
---|
2144 | /// bipartite graphs. It extends \ref BaseBpGraphComponent with a |
---|
2145 | /// function for clearing the graph. This concept requires \ref |
---|
2146 | /// AlterableBpGraphComponent. |
---|
2147 | template <typename BAS = BaseBpGraphComponent> |
---|
2148 | class ClearableBpGraphComponent : public ClearableGraphComponent<BAS> {}; |
---|
2149 | |
---|
2150 | } |
---|
2151 | |
---|
2152 | } |
---|
2153 | |
---|
2154 | #endif |
---|