[468] | 1 | /* -*- C++ -*- |
---|
| 2 | * |
---|
| 3 | * This file is a part of LEMON, a generic C++ optimization library |
---|
| 4 | * |
---|
| 5 | * Copyright (C) 2003-2008 |
---|
| 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_EDGE_SET_EXTENDER_H |
---|
| 20 | #define LEMON_BITS_EDGE_SET_EXTENDER_H |
---|
| 21 | |
---|
[519] | 22 | #include <lemon/core.h> |
---|
[468] | 23 | #include <lemon/error.h> |
---|
| 24 | #include <lemon/bits/default_map.h> |
---|
[519] | 25 | #include <lemon/bits/map_extender.h> |
---|
[468] | 26 | |
---|
| 27 | ///\ingroup digraphbits |
---|
| 28 | ///\file |
---|
| 29 | ///\brief Extenders for the arc set types |
---|
| 30 | namespace lemon { |
---|
| 31 | |
---|
| 32 | /// \ingroup digraphbits |
---|
| 33 | /// |
---|
| 34 | /// \brief Extender for the ArcSets |
---|
| 35 | template <typename Base> |
---|
| 36 | class ArcSetExtender : public Base { |
---|
| 37 | public: |
---|
| 38 | |
---|
| 39 | typedef Base Parent; |
---|
| 40 | typedef ArcSetExtender Digraph; |
---|
| 41 | |
---|
| 42 | // Base extensions |
---|
| 43 | |
---|
| 44 | typedef typename Parent::Node Node; |
---|
| 45 | typedef typename Parent::Arc Arc; |
---|
| 46 | |
---|
| 47 | int maxId(Node) const { |
---|
| 48 | return Parent::maxNodeId(); |
---|
| 49 | } |
---|
| 50 | |
---|
| 51 | int maxId(Arc) const { |
---|
| 52 | return Parent::maxArcId(); |
---|
| 53 | } |
---|
| 54 | |
---|
| 55 | Node fromId(int id, Node) const { |
---|
| 56 | return Parent::nodeFromId(id); |
---|
| 57 | } |
---|
| 58 | |
---|
| 59 | Arc fromId(int id, Arc) const { |
---|
| 60 | return Parent::arcFromId(id); |
---|
| 61 | } |
---|
| 62 | |
---|
| 63 | Node oppositeNode(const Node &n, const Arc &e) const { |
---|
| 64 | if (n == Parent::source(e)) |
---|
| 65 | return Parent::target(e); |
---|
| 66 | else if(n==Parent::target(e)) |
---|
| 67 | return Parent::source(e); |
---|
| 68 | else |
---|
| 69 | return INVALID; |
---|
| 70 | } |
---|
| 71 | |
---|
| 72 | |
---|
| 73 | // Alteration notifier extensions |
---|
| 74 | |
---|
| 75 | /// The arc observer registry. |
---|
| 76 | typedef AlterationNotifier<ArcSetExtender, Arc> ArcNotifier; |
---|
| 77 | |
---|
| 78 | protected: |
---|
| 79 | |
---|
| 80 | mutable ArcNotifier arc_notifier; |
---|
| 81 | |
---|
| 82 | public: |
---|
| 83 | |
---|
| 84 | using Parent::notifier; |
---|
| 85 | |
---|
| 86 | /// \brief Gives back the arc alteration notifier. |
---|
| 87 | /// |
---|
| 88 | /// Gives back the arc alteration notifier. |
---|
| 89 | ArcNotifier& notifier(Arc) const { |
---|
| 90 | return arc_notifier; |
---|
| 91 | } |
---|
| 92 | |
---|
| 93 | // Iterable extensions |
---|
| 94 | |
---|
| 95 | class NodeIt : public Node { |
---|
| 96 | const Digraph* digraph; |
---|
| 97 | public: |
---|
| 98 | |
---|
| 99 | NodeIt() {} |
---|
| 100 | |
---|
| 101 | NodeIt(Invalid i) : Node(i) { } |
---|
| 102 | |
---|
| 103 | explicit NodeIt(const Digraph& _graph) : digraph(&_graph) { |
---|
| 104 | _graph.first(static_cast<Node&>(*this)); |
---|
| 105 | } |
---|
| 106 | |
---|
| 107 | NodeIt(const Digraph& _graph, const Node& node) |
---|
| 108 | : Node(node), digraph(&_graph) {} |
---|
| 109 | |
---|
| 110 | NodeIt& operator++() { |
---|
| 111 | digraph->next(*this); |
---|
| 112 | return *this; |
---|
| 113 | } |
---|
| 114 | |
---|
| 115 | }; |
---|
| 116 | |
---|
| 117 | |
---|
| 118 | class ArcIt : public Arc { |
---|
| 119 | const Digraph* digraph; |
---|
| 120 | public: |
---|
| 121 | |
---|
| 122 | ArcIt() { } |
---|
| 123 | |
---|
| 124 | ArcIt(Invalid i) : Arc(i) { } |
---|
| 125 | |
---|
| 126 | explicit ArcIt(const Digraph& _graph) : digraph(&_graph) { |
---|
| 127 | _graph.first(static_cast<Arc&>(*this)); |
---|
| 128 | } |
---|
| 129 | |
---|
| 130 | ArcIt(const Digraph& _graph, const Arc& e) : |
---|
| 131 | Arc(e), digraph(&_graph) { } |
---|
| 132 | |
---|
| 133 | ArcIt& operator++() { |
---|
| 134 | digraph->next(*this); |
---|
| 135 | return *this; |
---|
| 136 | } |
---|
| 137 | |
---|
| 138 | }; |
---|
| 139 | |
---|
| 140 | |
---|
| 141 | class OutArcIt : public Arc { |
---|
| 142 | const Digraph* digraph; |
---|
| 143 | public: |
---|
| 144 | |
---|
| 145 | OutArcIt() { } |
---|
| 146 | |
---|
| 147 | OutArcIt(Invalid i) : Arc(i) { } |
---|
| 148 | |
---|
| 149 | OutArcIt(const Digraph& _graph, const Node& node) |
---|
| 150 | : digraph(&_graph) { |
---|
| 151 | _graph.firstOut(*this, node); |
---|
| 152 | } |
---|
| 153 | |
---|
| 154 | OutArcIt(const Digraph& _graph, const Arc& arc) |
---|
| 155 | : Arc(arc), digraph(&_graph) {} |
---|
| 156 | |
---|
| 157 | OutArcIt& operator++() { |
---|
| 158 | digraph->nextOut(*this); |
---|
| 159 | return *this; |
---|
| 160 | } |
---|
| 161 | |
---|
| 162 | }; |
---|
| 163 | |
---|
| 164 | |
---|
| 165 | class InArcIt : public Arc { |
---|
| 166 | const Digraph* digraph; |
---|
| 167 | public: |
---|
| 168 | |
---|
| 169 | InArcIt() { } |
---|
| 170 | |
---|
| 171 | InArcIt(Invalid i) : Arc(i) { } |
---|
| 172 | |
---|
| 173 | InArcIt(const Digraph& _graph, const Node& node) |
---|
| 174 | : digraph(&_graph) { |
---|
| 175 | _graph.firstIn(*this, node); |
---|
| 176 | } |
---|
| 177 | |
---|
| 178 | InArcIt(const Digraph& _graph, const Arc& arc) : |
---|
| 179 | Arc(arc), digraph(&_graph) {} |
---|
| 180 | |
---|
| 181 | InArcIt& operator++() { |
---|
| 182 | digraph->nextIn(*this); |
---|
| 183 | return *this; |
---|
| 184 | } |
---|
| 185 | |
---|
| 186 | }; |
---|
| 187 | |
---|
| 188 | /// \brief Base node of the iterator |
---|
| 189 | /// |
---|
| 190 | /// Returns the base node (ie. the source in this case) of the iterator |
---|
| 191 | Node baseNode(const OutArcIt &e) const { |
---|
| 192 | return Parent::source(static_cast<const Arc&>(e)); |
---|
| 193 | } |
---|
| 194 | /// \brief Running node of the iterator |
---|
| 195 | /// |
---|
| 196 | /// Returns the running node (ie. the target in this case) of the |
---|
| 197 | /// iterator |
---|
| 198 | Node runningNode(const OutArcIt &e) const { |
---|
| 199 | return Parent::target(static_cast<const Arc&>(e)); |
---|
| 200 | } |
---|
| 201 | |
---|
| 202 | /// \brief Base node of the iterator |
---|
| 203 | /// |
---|
| 204 | /// Returns the base node (ie. the target in this case) of the iterator |
---|
| 205 | Node baseNode(const InArcIt &e) const { |
---|
| 206 | return Parent::target(static_cast<const Arc&>(e)); |
---|
| 207 | } |
---|
| 208 | /// \brief Running node of the iterator |
---|
| 209 | /// |
---|
| 210 | /// Returns the running node (ie. the source in this case) of the |
---|
| 211 | /// iterator |
---|
| 212 | Node runningNode(const InArcIt &e) const { |
---|
| 213 | return Parent::source(static_cast<const Arc&>(e)); |
---|
| 214 | } |
---|
| 215 | |
---|
| 216 | using Parent::first; |
---|
| 217 | |
---|
| 218 | // Mappable extension |
---|
| 219 | |
---|
| 220 | template <typename _Value> |
---|
| 221 | class ArcMap |
---|
| 222 | : public MapExtender<DefaultMap<Digraph, Arc, _Value> > { |
---|
| 223 | public: |
---|
| 224 | typedef ArcSetExtender Digraph; |
---|
| 225 | typedef MapExtender<DefaultMap<Digraph, Arc, _Value> > Parent; |
---|
| 226 | |
---|
| 227 | explicit ArcMap(const Digraph& _g) |
---|
| 228 | : Parent(_g) {} |
---|
| 229 | ArcMap(const Digraph& _g, const _Value& _v) |
---|
| 230 | : Parent(_g, _v) {} |
---|
| 231 | |
---|
| 232 | ArcMap& operator=(const ArcMap& cmap) { |
---|
| 233 | return operator=<ArcMap>(cmap); |
---|
| 234 | } |
---|
| 235 | |
---|
| 236 | template <typename CMap> |
---|
| 237 | ArcMap& operator=(const CMap& cmap) { |
---|
| 238 | Parent::operator=(cmap); |
---|
| 239 | return *this; |
---|
| 240 | } |
---|
| 241 | |
---|
| 242 | }; |
---|
| 243 | |
---|
| 244 | |
---|
| 245 | // Alteration extension |
---|
| 246 | |
---|
| 247 | Arc addArc(const Node& from, const Node& to) { |
---|
| 248 | Arc arc = Parent::addArc(from, to); |
---|
| 249 | notifier(Arc()).add(arc); |
---|
| 250 | return arc; |
---|
| 251 | } |
---|
| 252 | |
---|
| 253 | void clear() { |
---|
| 254 | notifier(Arc()).clear(); |
---|
| 255 | Parent::clear(); |
---|
| 256 | } |
---|
| 257 | |
---|
| 258 | void erase(const Arc& arc) { |
---|
| 259 | notifier(Arc()).erase(arc); |
---|
| 260 | Parent::erase(arc); |
---|
| 261 | } |
---|
| 262 | |
---|
| 263 | ArcSetExtender() { |
---|
| 264 | arc_notifier.setContainer(*this); |
---|
| 265 | } |
---|
| 266 | |
---|
| 267 | ~ArcSetExtender() { |
---|
| 268 | arc_notifier.clear(); |
---|
| 269 | } |
---|
| 270 | |
---|
| 271 | }; |
---|
| 272 | |
---|
| 273 | |
---|
| 274 | /// \ingroup digraphbits |
---|
| 275 | /// |
---|
| 276 | /// \brief Extender for the EdgeSets |
---|
| 277 | template <typename Base> |
---|
| 278 | class EdgeSetExtender : public Base { |
---|
| 279 | |
---|
| 280 | public: |
---|
| 281 | |
---|
| 282 | typedef Base Parent; |
---|
| 283 | typedef EdgeSetExtender Digraph; |
---|
| 284 | |
---|
| 285 | typedef typename Parent::Node Node; |
---|
| 286 | typedef typename Parent::Arc Arc; |
---|
| 287 | typedef typename Parent::Edge Edge; |
---|
| 288 | |
---|
| 289 | |
---|
| 290 | int maxId(Node) const { |
---|
| 291 | return Parent::maxNodeId(); |
---|
| 292 | } |
---|
| 293 | |
---|
| 294 | int maxId(Arc) const { |
---|
| 295 | return Parent::maxArcId(); |
---|
| 296 | } |
---|
| 297 | |
---|
| 298 | int maxId(Edge) const { |
---|
| 299 | return Parent::maxEdgeId(); |
---|
| 300 | } |
---|
| 301 | |
---|
| 302 | Node fromId(int id, Node) const { |
---|
| 303 | return Parent::nodeFromId(id); |
---|
| 304 | } |
---|
| 305 | |
---|
| 306 | Arc fromId(int id, Arc) const { |
---|
| 307 | return Parent::arcFromId(id); |
---|
| 308 | } |
---|
| 309 | |
---|
| 310 | Edge fromId(int id, Edge) const { |
---|
| 311 | return Parent::edgeFromId(id); |
---|
| 312 | } |
---|
| 313 | |
---|
| 314 | Node oppositeNode(const Node &n, const Edge &e) const { |
---|
| 315 | if( n == Parent::u(e)) |
---|
| 316 | return Parent::v(e); |
---|
| 317 | else if( n == Parent::v(e)) |
---|
| 318 | return Parent::u(e); |
---|
| 319 | else |
---|
| 320 | return INVALID; |
---|
| 321 | } |
---|
| 322 | |
---|
| 323 | Arc oppositeArc(const Arc &e) const { |
---|
| 324 | return Parent::direct(e, !Parent::direction(e)); |
---|
| 325 | } |
---|
| 326 | |
---|
| 327 | using Parent::direct; |
---|
| 328 | Arc direct(const Edge &e, const Node &s) const { |
---|
| 329 | return Parent::direct(e, Parent::u(e) == s); |
---|
| 330 | } |
---|
| 331 | |
---|
| 332 | typedef AlterationNotifier<EdgeSetExtender, Arc> ArcNotifier; |
---|
| 333 | typedef AlterationNotifier<EdgeSetExtender, Edge> EdgeNotifier; |
---|
| 334 | |
---|
| 335 | |
---|
| 336 | protected: |
---|
| 337 | |
---|
| 338 | mutable ArcNotifier arc_notifier; |
---|
| 339 | mutable EdgeNotifier edge_notifier; |
---|
| 340 | |
---|
| 341 | public: |
---|
| 342 | |
---|
| 343 | using Parent::notifier; |
---|
| 344 | |
---|
| 345 | ArcNotifier& notifier(Arc) const { |
---|
| 346 | return arc_notifier; |
---|
| 347 | } |
---|
| 348 | |
---|
| 349 | EdgeNotifier& notifier(Edge) const { |
---|
| 350 | return edge_notifier; |
---|
| 351 | } |
---|
| 352 | |
---|
| 353 | |
---|
| 354 | class NodeIt : public Node { |
---|
| 355 | const Digraph* digraph; |
---|
| 356 | public: |
---|
| 357 | |
---|
| 358 | NodeIt() {} |
---|
| 359 | |
---|
| 360 | NodeIt(Invalid i) : Node(i) { } |
---|
| 361 | |
---|
| 362 | explicit NodeIt(const Digraph& _graph) : digraph(&_graph) { |
---|
| 363 | _graph.first(static_cast<Node&>(*this)); |
---|
| 364 | } |
---|
| 365 | |
---|
| 366 | NodeIt(const Digraph& _graph, const Node& node) |
---|
| 367 | : Node(node), digraph(&_graph) {} |
---|
| 368 | |
---|
| 369 | NodeIt& operator++() { |
---|
| 370 | digraph->next(*this); |
---|
| 371 | return *this; |
---|
| 372 | } |
---|
| 373 | |
---|
| 374 | }; |
---|
| 375 | |
---|
| 376 | |
---|
| 377 | class ArcIt : public Arc { |
---|
| 378 | const Digraph* digraph; |
---|
| 379 | public: |
---|
| 380 | |
---|
| 381 | ArcIt() { } |
---|
| 382 | |
---|
| 383 | ArcIt(Invalid i) : Arc(i) { } |
---|
| 384 | |
---|
| 385 | explicit ArcIt(const Digraph& _graph) : digraph(&_graph) { |
---|
| 386 | _graph.first(static_cast<Arc&>(*this)); |
---|
| 387 | } |
---|
| 388 | |
---|
| 389 | ArcIt(const Digraph& _graph, const Arc& e) : |
---|
| 390 | Arc(e), digraph(&_graph) { } |
---|
| 391 | |
---|
| 392 | ArcIt& operator++() { |
---|
| 393 | digraph->next(*this); |
---|
| 394 | return *this; |
---|
| 395 | } |
---|
| 396 | |
---|
| 397 | }; |
---|
| 398 | |
---|
| 399 | |
---|
| 400 | class OutArcIt : public Arc { |
---|
| 401 | const Digraph* digraph; |
---|
| 402 | public: |
---|
| 403 | |
---|
| 404 | OutArcIt() { } |
---|
| 405 | |
---|
| 406 | OutArcIt(Invalid i) : Arc(i) { } |
---|
| 407 | |
---|
| 408 | OutArcIt(const Digraph& _graph, const Node& node) |
---|
| 409 | : digraph(&_graph) { |
---|
| 410 | _graph.firstOut(*this, node); |
---|
| 411 | } |
---|
| 412 | |
---|
| 413 | OutArcIt(const Digraph& _graph, const Arc& arc) |
---|
| 414 | : Arc(arc), digraph(&_graph) {} |
---|
| 415 | |
---|
| 416 | OutArcIt& operator++() { |
---|
| 417 | digraph->nextOut(*this); |
---|
| 418 | return *this; |
---|
| 419 | } |
---|
| 420 | |
---|
| 421 | }; |
---|
| 422 | |
---|
| 423 | |
---|
| 424 | class InArcIt : public Arc { |
---|
| 425 | const Digraph* digraph; |
---|
| 426 | public: |
---|
| 427 | |
---|
| 428 | InArcIt() { } |
---|
| 429 | |
---|
| 430 | InArcIt(Invalid i) : Arc(i) { } |
---|
| 431 | |
---|
| 432 | InArcIt(const Digraph& _graph, const Node& node) |
---|
| 433 | : digraph(&_graph) { |
---|
| 434 | _graph.firstIn(*this, node); |
---|
| 435 | } |
---|
| 436 | |
---|
| 437 | InArcIt(const Digraph& _graph, const Arc& arc) : |
---|
| 438 | Arc(arc), digraph(&_graph) {} |
---|
| 439 | |
---|
| 440 | InArcIt& operator++() { |
---|
| 441 | digraph->nextIn(*this); |
---|
| 442 | return *this; |
---|
| 443 | } |
---|
| 444 | |
---|
| 445 | }; |
---|
| 446 | |
---|
| 447 | |
---|
| 448 | class EdgeIt : public Parent::Edge { |
---|
| 449 | const Digraph* digraph; |
---|
| 450 | public: |
---|
| 451 | |
---|
| 452 | EdgeIt() { } |
---|
| 453 | |
---|
| 454 | EdgeIt(Invalid i) : Edge(i) { } |
---|
| 455 | |
---|
| 456 | explicit EdgeIt(const Digraph& _graph) : digraph(&_graph) { |
---|
| 457 | _graph.first(static_cast<Edge&>(*this)); |
---|
| 458 | } |
---|
| 459 | |
---|
| 460 | EdgeIt(const Digraph& _graph, const Edge& e) : |
---|
| 461 | Edge(e), digraph(&_graph) { } |
---|
| 462 | |
---|
| 463 | EdgeIt& operator++() { |
---|
| 464 | digraph->next(*this); |
---|
| 465 | return *this; |
---|
| 466 | } |
---|
| 467 | |
---|
| 468 | }; |
---|
| 469 | |
---|
| 470 | class IncEdgeIt : public Parent::Edge { |
---|
| 471 | friend class EdgeSetExtender; |
---|
| 472 | const Digraph* digraph; |
---|
| 473 | bool direction; |
---|
| 474 | public: |
---|
| 475 | |
---|
| 476 | IncEdgeIt() { } |
---|
| 477 | |
---|
| 478 | IncEdgeIt(Invalid i) : Edge(i), direction(false) { } |
---|
| 479 | |
---|
| 480 | IncEdgeIt(const Digraph& _graph, const Node &n) : digraph(&_graph) { |
---|
| 481 | _graph.firstInc(*this, direction, n); |
---|
| 482 | } |
---|
| 483 | |
---|
| 484 | IncEdgeIt(const Digraph& _graph, const Edge &ue, const Node &n) |
---|
| 485 | : digraph(&_graph), Edge(ue) { |
---|
| 486 | direction = (_graph.source(ue) == n); |
---|
| 487 | } |
---|
| 488 | |
---|
| 489 | IncEdgeIt& operator++() { |
---|
| 490 | digraph->nextInc(*this, direction); |
---|
| 491 | return *this; |
---|
| 492 | } |
---|
| 493 | }; |
---|
| 494 | |
---|
| 495 | /// \brief Base node of the iterator |
---|
| 496 | /// |
---|
| 497 | /// Returns the base node (ie. the source in this case) of the iterator |
---|
| 498 | Node baseNode(const OutArcIt &e) const { |
---|
| 499 | return Parent::source(static_cast<const Arc&>(e)); |
---|
| 500 | } |
---|
| 501 | /// \brief Running node of the iterator |
---|
| 502 | /// |
---|
| 503 | /// Returns the running node (ie. the target in this case) of the |
---|
| 504 | /// iterator |
---|
| 505 | Node runningNode(const OutArcIt &e) const { |
---|
| 506 | return Parent::target(static_cast<const Arc&>(e)); |
---|
| 507 | } |
---|
| 508 | |
---|
| 509 | /// \brief Base node of the iterator |
---|
| 510 | /// |
---|
| 511 | /// Returns the base node (ie. the target in this case) of the iterator |
---|
| 512 | Node baseNode(const InArcIt &e) const { |
---|
| 513 | return Parent::target(static_cast<const Arc&>(e)); |
---|
| 514 | } |
---|
| 515 | /// \brief Running node of the iterator |
---|
| 516 | /// |
---|
| 517 | /// Returns the running node (ie. the source in this case) of the |
---|
| 518 | /// iterator |
---|
| 519 | Node runningNode(const InArcIt &e) const { |
---|
| 520 | return Parent::source(static_cast<const Arc&>(e)); |
---|
| 521 | } |
---|
| 522 | |
---|
| 523 | /// Base node of the iterator |
---|
| 524 | /// |
---|
| 525 | /// Returns the base node of the iterator |
---|
| 526 | Node baseNode(const IncEdgeIt &e) const { |
---|
| 527 | return e.direction ? u(e) : v(e); |
---|
| 528 | } |
---|
| 529 | /// Running node of the iterator |
---|
| 530 | /// |
---|
| 531 | /// Returns the running node of the iterator |
---|
| 532 | Node runningNode(const IncEdgeIt &e) const { |
---|
| 533 | return e.direction ? v(e) : u(e); |
---|
| 534 | } |
---|
| 535 | |
---|
| 536 | |
---|
| 537 | template <typename _Value> |
---|
| 538 | class ArcMap |
---|
| 539 | : public MapExtender<DefaultMap<Digraph, Arc, _Value> > { |
---|
| 540 | public: |
---|
| 541 | typedef EdgeSetExtender Digraph; |
---|
| 542 | typedef MapExtender<DefaultMap<Digraph, Arc, _Value> > Parent; |
---|
| 543 | |
---|
| 544 | ArcMap(const Digraph& _g) |
---|
| 545 | : Parent(_g) {} |
---|
| 546 | ArcMap(const Digraph& _g, const _Value& _v) |
---|
| 547 | : Parent(_g, _v) {} |
---|
| 548 | |
---|
| 549 | ArcMap& operator=(const ArcMap& cmap) { |
---|
| 550 | return operator=<ArcMap>(cmap); |
---|
| 551 | } |
---|
| 552 | |
---|
| 553 | template <typename CMap> |
---|
| 554 | ArcMap& operator=(const CMap& cmap) { |
---|
| 555 | Parent::operator=(cmap); |
---|
| 556 | return *this; |
---|
| 557 | } |
---|
| 558 | |
---|
| 559 | }; |
---|
| 560 | |
---|
| 561 | |
---|
| 562 | template <typename _Value> |
---|
| 563 | class EdgeMap |
---|
| 564 | : public MapExtender<DefaultMap<Digraph, Edge, _Value> > { |
---|
| 565 | public: |
---|
| 566 | typedef EdgeSetExtender Digraph; |
---|
| 567 | typedef MapExtender<DefaultMap<Digraph, Edge, _Value> > Parent; |
---|
| 568 | |
---|
| 569 | EdgeMap(const Digraph& _g) |
---|
| 570 | : Parent(_g) {} |
---|
| 571 | |
---|
| 572 | EdgeMap(const Digraph& _g, const _Value& _v) |
---|
| 573 | : Parent(_g, _v) {} |
---|
| 574 | |
---|
| 575 | EdgeMap& operator=(const EdgeMap& cmap) { |
---|
| 576 | return operator=<EdgeMap>(cmap); |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | template <typename CMap> |
---|
| 580 | EdgeMap& operator=(const CMap& cmap) { |
---|
| 581 | Parent::operator=(cmap); |
---|
| 582 | return *this; |
---|
| 583 | } |
---|
| 584 | |
---|
| 585 | }; |
---|
| 586 | |
---|
| 587 | |
---|
| 588 | // Alteration extension |
---|
| 589 | |
---|
| 590 | Edge addEdge(const Node& from, const Node& to) { |
---|
| 591 | Edge edge = Parent::addEdge(from, to); |
---|
| 592 | notifier(Edge()).add(edge); |
---|
| 593 | std::vector<Arc> arcs; |
---|
| 594 | arcs.push_back(Parent::direct(edge, true)); |
---|
| 595 | arcs.push_back(Parent::direct(edge, false)); |
---|
| 596 | notifier(Arc()).add(arcs); |
---|
| 597 | return edge; |
---|
| 598 | } |
---|
| 599 | |
---|
| 600 | void clear() { |
---|
| 601 | notifier(Arc()).clear(); |
---|
| 602 | notifier(Edge()).clear(); |
---|
| 603 | Parent::clear(); |
---|
| 604 | } |
---|
| 605 | |
---|
| 606 | void erase(const Edge& edge) { |
---|
| 607 | std::vector<Arc> arcs; |
---|
| 608 | arcs.push_back(Parent::direct(edge, true)); |
---|
| 609 | arcs.push_back(Parent::direct(edge, false)); |
---|
| 610 | notifier(Arc()).erase(arcs); |
---|
| 611 | notifier(Edge()).erase(edge); |
---|
| 612 | Parent::erase(edge); |
---|
| 613 | } |
---|
| 614 | |
---|
| 615 | |
---|
| 616 | EdgeSetExtender() { |
---|
| 617 | arc_notifier.setContainer(*this); |
---|
| 618 | edge_notifier.setContainer(*this); |
---|
| 619 | } |
---|
| 620 | |
---|
| 621 | ~EdgeSetExtender() { |
---|
| 622 | edge_notifier.clear(); |
---|
| 623 | arc_notifier.clear(); |
---|
| 624 | } |
---|
| 625 | |
---|
| 626 | }; |
---|
| 627 | |
---|
| 628 | } |
---|
| 629 | |
---|
| 630 | #endif |
---|