lemon/bits/graph_extender.h
author Alpar Juttner <alpar@cs.elte.hu>
Sun, 30 Nov 2008 09:39:34 +0000
changeset 395 0c5dd7ceda03
parent 314 2cc60866a0c9
child 440 88ed40ad0d4f
permissions -rw-r--r--
Merge
alpar@209
     1
/* -*- mode: C++; indent-tabs-mode: nil; -*-
deba@57
     2
 *
alpar@209
     3
 * This file is a part of LEMON, a generic C++ optimization library.
deba@57
     4
 *
alpar@107
     5
 * Copyright (C) 2003-2008
deba@57
     6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
deba@57
     7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
deba@57
     8
 *
deba@57
     9
 * Permission to use, modify and distribute this software is granted
deba@57
    10
 * provided that this copyright notice appears in all copies. For
deba@57
    11
 * precise terms see the accompanying LICENSE file.
deba@57
    12
 *
deba@57
    13
 * This software is provided "AS IS" with no warranty of any kind,
deba@57
    14
 * express or implied, and with no claim as to its suitability for any
deba@57
    15
 * purpose.
deba@57
    16
 *
deba@57
    17
 */
deba@57
    18
deba@57
    19
#ifndef LEMON_BITS_GRAPH_EXTENDER_H
deba@57
    20
#define LEMON_BITS_GRAPH_EXTENDER_H
deba@57
    21
deba@220
    22
#include <lemon/core.h>
deba@57
    23
deba@57
    24
#include <lemon/bits/map_extender.h>
deba@57
    25
#include <lemon/bits/default_map.h>
deba@57
    26
deba@57
    27
#include <lemon/concept_check.h>
deba@57
    28
#include <lemon/concepts/maps.h>
deba@57
    29
kpeter@314
    30
//\ingroup graphbits
kpeter@314
    31
//\file
kpeter@361
    32
//\brief Extenders for the graph types
deba@57
    33
namespace lemon {
deba@57
    34
kpeter@314
    35
  // \ingroup graphbits
kpeter@314
    36
  //
kpeter@361
    37
  // \brief Extender for the digraph implementations
deba@57
    38
  template <typename Base>
deba@57
    39
  class DigraphExtender : public Base {
deba@57
    40
  public:
deba@57
    41
deba@57
    42
    typedef Base Parent;
deba@57
    43
    typedef DigraphExtender Digraph;
deba@57
    44
deba@57
    45
    // Base extensions
deba@57
    46
deba@57
    47
    typedef typename Parent::Node Node;
deba@57
    48
    typedef typename Parent::Arc Arc;
deba@57
    49
deba@57
    50
    int maxId(Node) const {
deba@57
    51
      return Parent::maxNodeId();
deba@57
    52
    }
deba@57
    53
deba@57
    54
    int maxId(Arc) const {
deba@57
    55
      return Parent::maxArcId();
deba@57
    56
    }
deba@57
    57
deba@57
    58
    Node fromId(int id, Node) const {
deba@57
    59
      return Parent::nodeFromId(id);
deba@57
    60
    }
deba@57
    61
deba@57
    62
    Arc fromId(int id, Arc) const {
deba@57
    63
      return Parent::arcFromId(id);
deba@57
    64
    }
deba@57
    65
deba@78
    66
    Node oppositeNode(const Node &node, const Arc &arc) const {
deba@78
    67
      if (node == Parent::source(arc))
alpar@209
    68
        return Parent::target(arc);
deba@78
    69
      else if(node == Parent::target(arc))
alpar@209
    70
        return Parent::source(arc);
deba@57
    71
      else
alpar@209
    72
        return INVALID;
deba@57
    73
    }
deba@57
    74
deba@57
    75
    // Alterable extension
deba@57
    76
deba@57
    77
    typedef AlterationNotifier<DigraphExtender, Node> NodeNotifier;
deba@57
    78
    typedef AlterationNotifier<DigraphExtender, Arc> ArcNotifier;
deba@57
    79
deba@57
    80
deba@57
    81
  protected:
deba@57
    82
deba@57
    83
    mutable NodeNotifier node_notifier;
deba@57
    84
    mutable ArcNotifier arc_notifier;
deba@57
    85
deba@57
    86
  public:
deba@57
    87
deba@57
    88
    NodeNotifier& notifier(Node) const {
deba@57
    89
      return node_notifier;
deba@57
    90
    }
alpar@209
    91
deba@57
    92
    ArcNotifier& notifier(Arc) const {
deba@57
    93
      return arc_notifier;
deba@57
    94
    }
deba@57
    95
alpar@209
    96
    class NodeIt : public Node {
deba@78
    97
      const Digraph* _digraph;
deba@57
    98
    public:
deba@57
    99
deba@57
   100
      NodeIt() {}
deba@57
   101
deba@57
   102
      NodeIt(Invalid i) : Node(i) { }
deba@57
   103
deba@78
   104
      explicit NodeIt(const Digraph& digraph) : _digraph(&digraph) {
alpar@209
   105
        _digraph->first(static_cast<Node&>(*this));
deba@57
   106
      }
deba@57
   107
alpar@209
   108
      NodeIt(const Digraph& digraph, const Node& node)
alpar@209
   109
        : Node(node), _digraph(&digraph) {}
deba@57
   110
alpar@209
   111
      NodeIt& operator++() {
alpar@209
   112
        _digraph->next(*this);
alpar@209
   113
        return *this;
deba@57
   114
      }
deba@57
   115
deba@57
   116
    };
deba@57
   117
deba@57
   118
alpar@209
   119
    class ArcIt : public Arc {
deba@78
   120
      const Digraph* _digraph;
deba@57
   121
    public:
deba@57
   122
deba@57
   123
      ArcIt() { }
deba@57
   124
deba@57
   125
      ArcIt(Invalid i) : Arc(i) { }
deba@57
   126
deba@78
   127
      explicit ArcIt(const Digraph& digraph) : _digraph(&digraph) {
alpar@209
   128
        _digraph->first(static_cast<Arc&>(*this));
deba@57
   129
      }
deba@57
   130
alpar@209
   131
      ArcIt(const Digraph& digraph, const Arc& arc) :
alpar@209
   132
        Arc(arc), _digraph(&digraph) { }
deba@57
   133
alpar@209
   134
      ArcIt& operator++() {
alpar@209
   135
        _digraph->next(*this);
alpar@209
   136
        return *this;
deba@57
   137
      }
deba@57
   138
deba@57
   139
    };
deba@57
   140
deba@57
   141
alpar@209
   142
    class OutArcIt : public Arc {
deba@78
   143
      const Digraph* _digraph;
deba@57
   144
    public:
deba@57
   145
deba@57
   146
      OutArcIt() { }
deba@57
   147
deba@57
   148
      OutArcIt(Invalid i) : Arc(i) { }
deba@57
   149
alpar@209
   150
      OutArcIt(const Digraph& digraph, const Node& node)
alpar@209
   151
        : _digraph(&digraph) {
alpar@209
   152
        _digraph->firstOut(*this, node);
deba@57
   153
      }
deba@57
   154
alpar@209
   155
      OutArcIt(const Digraph& digraph, const Arc& arc)
alpar@209
   156
        : Arc(arc), _digraph(&digraph) {}
deba@57
   157
alpar@209
   158
      OutArcIt& operator++() {
alpar@209
   159
        _digraph->nextOut(*this);
alpar@209
   160
        return *this;
deba@57
   161
      }
deba@57
   162
deba@57
   163
    };
deba@57
   164
deba@57
   165
alpar@209
   166
    class InArcIt : public Arc {
deba@78
   167
      const Digraph* _digraph;
deba@57
   168
    public:
deba@57
   169
deba@57
   170
      InArcIt() { }
deba@57
   171
deba@57
   172
      InArcIt(Invalid i) : Arc(i) { }
deba@57
   173
alpar@209
   174
      InArcIt(const Digraph& digraph, const Node& node)
alpar@209
   175
        : _digraph(&digraph) {
alpar@209
   176
        _digraph->firstIn(*this, node);
deba@57
   177
      }
deba@57
   178
alpar@209
   179
      InArcIt(const Digraph& digraph, const Arc& arc) :
alpar@209
   180
        Arc(arc), _digraph(&digraph) {}
deba@57
   181
alpar@209
   182
      InArcIt& operator++() {
alpar@209
   183
        _digraph->nextIn(*this);
alpar@209
   184
        return *this;
deba@57
   185
      }
deba@57
   186
deba@57
   187
    };
deba@57
   188
kpeter@314
   189
    // \brief Base node of the iterator
kpeter@314
   190
    //
kpeter@314
   191
    // Returns the base node (i.e. the source in this case) of the iterator
deba@78
   192
    Node baseNode(const OutArcIt &arc) const {
deba@78
   193
      return Parent::source(arc);
deba@57
   194
    }
kpeter@314
   195
    // \brief Running node of the iterator
kpeter@314
   196
    //
kpeter@314
   197
    // Returns the running node (i.e. the target in this case) of the
kpeter@314
   198
    // iterator
deba@78
   199
    Node runningNode(const OutArcIt &arc) const {
deba@78
   200
      return Parent::target(arc);
deba@57
   201
    }
deba@57
   202
kpeter@314
   203
    // \brief Base node of the iterator
kpeter@314
   204
    //
kpeter@314
   205
    // Returns the base node (i.e. the target in this case) of the iterator
deba@78
   206
    Node baseNode(const InArcIt &arc) const {
deba@78
   207
      return Parent::target(arc);
deba@57
   208
    }
kpeter@314
   209
    // \brief Running node of the iterator
kpeter@314
   210
    //
kpeter@314
   211
    // Returns the running node (i.e. the source in this case) of the
kpeter@314
   212
    // iterator
deba@78
   213
    Node runningNode(const InArcIt &arc) const {
deba@78
   214
      return Parent::source(arc);
deba@57
   215
    }
deba@57
   216
alpar@209
   217
deba@57
   218
    template <typename _Value>
alpar@209
   219
    class NodeMap
deba@57
   220
      : public MapExtender<DefaultMap<Digraph, Node, _Value> > {
deba@57
   221
    public:
deba@57
   222
      typedef DigraphExtender Digraph;
deba@57
   223
      typedef MapExtender<DefaultMap<Digraph, Node, _Value> > Parent;
deba@57
   224
alpar@209
   225
      explicit NodeMap(const Digraph& digraph)
alpar@209
   226
        : Parent(digraph) {}
alpar@209
   227
      NodeMap(const Digraph& digraph, const _Value& value)
alpar@209
   228
        : Parent(digraph, value) {}
deba@57
   229
kpeter@263
   230
    private:
deba@57
   231
      NodeMap& operator=(const NodeMap& cmap) {
alpar@209
   232
        return operator=<NodeMap>(cmap);
deba@57
   233
      }
deba@57
   234
deba@57
   235
      template <typename CMap>
deba@57
   236
      NodeMap& operator=(const CMap& cmap) {
deba@57
   237
        Parent::operator=(cmap);
alpar@209
   238
        return *this;
deba@57
   239
      }
deba@57
   240
deba@57
   241
    };
deba@57
   242
deba@57
   243
    template <typename _Value>
alpar@209
   244
    class ArcMap
deba@57
   245
      : public MapExtender<DefaultMap<Digraph, Arc, _Value> > {
deba@57
   246
    public:
deba@57
   247
      typedef DigraphExtender Digraph;
deba@57
   248
      typedef MapExtender<DefaultMap<Digraph, Arc, _Value> > Parent;
deba@57
   249
alpar@209
   250
      explicit ArcMap(const Digraph& digraph)
alpar@209
   251
        : Parent(digraph) {}
alpar@209
   252
      ArcMap(const Digraph& digraph, const _Value& value)
alpar@209
   253
        : Parent(digraph, value) {}
deba@57
   254
kpeter@263
   255
    private:
deba@57
   256
      ArcMap& operator=(const ArcMap& cmap) {
alpar@209
   257
        return operator=<ArcMap>(cmap);
deba@57
   258
      }
deba@57
   259
deba@57
   260
      template <typename CMap>
deba@57
   261
      ArcMap& operator=(const CMap& cmap) {
deba@57
   262
        Parent::operator=(cmap);
alpar@209
   263
        return *this;
deba@57
   264
      }
deba@57
   265
    };
deba@57
   266
deba@57
   267
deba@57
   268
    Node addNode() {
deba@57
   269
      Node node = Parent::addNode();
deba@57
   270
      notifier(Node()).add(node);
deba@57
   271
      return node;
deba@57
   272
    }
alpar@209
   273
deba@57
   274
    Arc addArc(const Node& from, const Node& to) {
deba@57
   275
      Arc arc = Parent::addArc(from, to);
deba@57
   276
      notifier(Arc()).add(arc);
deba@57
   277
      return arc;
deba@57
   278
    }
deba@57
   279
deba@57
   280
    void clear() {
deba@57
   281
      notifier(Arc()).clear();
deba@57
   282
      notifier(Node()).clear();
deba@57
   283
      Parent::clear();
deba@57
   284
    }
deba@57
   285
deba@57
   286
    template <typename Digraph, typename NodeRefMap, typename ArcRefMap>
deba@57
   287
    void build(const Digraph& digraph, NodeRefMap& nodeRef, ArcRefMap& arcRef) {
deba@57
   288
      Parent::build(digraph, nodeRef, arcRef);
deba@57
   289
      notifier(Node()).build();
deba@57
   290
      notifier(Arc()).build();
deba@57
   291
    }
deba@57
   292
deba@57
   293
    void erase(const Node& node) {
deba@57
   294
      Arc arc;
deba@57
   295
      Parent::firstOut(arc, node);
deba@57
   296
      while (arc != INVALID ) {
alpar@209
   297
        erase(arc);
alpar@209
   298
        Parent::firstOut(arc, node);
alpar@209
   299
      }
deba@57
   300
deba@57
   301
      Parent::firstIn(arc, node);
deba@57
   302
      while (arc != INVALID ) {
alpar@209
   303
        erase(arc);
alpar@209
   304
        Parent::firstIn(arc, node);
deba@57
   305
      }
deba@57
   306
deba@57
   307
      notifier(Node()).erase(node);
deba@57
   308
      Parent::erase(node);
deba@57
   309
    }
alpar@209
   310
deba@57
   311
    void erase(const Arc& arc) {
deba@57
   312
      notifier(Arc()).erase(arc);
deba@57
   313
      Parent::erase(arc);
deba@57
   314
    }
deba@57
   315
deba@57
   316
    DigraphExtender() {
deba@57
   317
      node_notifier.setContainer(*this);
deba@57
   318
      arc_notifier.setContainer(*this);
alpar@209
   319
    }
alpar@209
   320
deba@57
   321
deba@57
   322
    ~DigraphExtender() {
deba@57
   323
      arc_notifier.clear();
deba@57
   324
      node_notifier.clear();
deba@57
   325
    }
deba@57
   326
  };
deba@57
   327
kpeter@314
   328
  // \ingroup _graphbits
kpeter@314
   329
  //
kpeter@314
   330
  // \brief Extender for the Graphs
alpar@209
   331
  template <typename Base>
deba@57
   332
  class GraphExtender : public Base {
deba@57
   333
  public:
alpar@209
   334
deba@57
   335
    typedef Base Parent;
deba@78
   336
    typedef GraphExtender Graph;
deba@57
   337
deba@77
   338
    typedef True UndirectedTag;
deba@77
   339
deba@57
   340
    typedef typename Parent::Node Node;
deba@57
   341
    typedef typename Parent::Arc Arc;
deba@57
   342
    typedef typename Parent::Edge Edge;
deba@57
   343
alpar@209
   344
    // Graph extension
deba@57
   345
deba@57
   346
    int maxId(Node) const {
deba@57
   347
      return Parent::maxNodeId();
deba@57
   348
    }
deba@57
   349
deba@57
   350
    int maxId(Arc) const {
deba@57
   351
      return Parent::maxArcId();
deba@57
   352
    }
deba@57
   353
deba@57
   354
    int maxId(Edge) const {
deba@57
   355
      return Parent::maxEdgeId();
deba@57
   356
    }
deba@57
   357
deba@57
   358
    Node fromId(int id, Node) const {
deba@57
   359
      return Parent::nodeFromId(id);
deba@57
   360
    }
deba@57
   361
deba@57
   362
    Arc fromId(int id, Arc) const {
deba@57
   363
      return Parent::arcFromId(id);
deba@57
   364
    }
deba@57
   365
deba@57
   366
    Edge fromId(int id, Edge) const {
deba@57
   367
      return Parent::edgeFromId(id);
deba@57
   368
    }
deba@57
   369
deba@57
   370
    Node oppositeNode(const Node &n, const Edge &e) const {
deba@125
   371
      if( n == Parent::u(e))
alpar@209
   372
        return Parent::v(e);
deba@125
   373
      else if( n == Parent::v(e))
alpar@209
   374
        return Parent::u(e);
deba@57
   375
      else
alpar@209
   376
        return INVALID;
deba@57
   377
    }
deba@57
   378
deba@78
   379
    Arc oppositeArc(const Arc &arc) const {
deba@78
   380
      return Parent::direct(arc, !Parent::direction(arc));
deba@57
   381
    }
deba@57
   382
deba@57
   383
    using Parent::direct;
deba@78
   384
    Arc direct(const Edge &edge, const Node &node) const {
deba@125
   385
      return Parent::direct(edge, Parent::u(edge) == node);
deba@57
   386
    }
deba@57
   387
deba@57
   388
    // Alterable extension
deba@57
   389
deba@57
   390
    typedef AlterationNotifier<GraphExtender, Node> NodeNotifier;
deba@57
   391
    typedef AlterationNotifier<GraphExtender, Arc> ArcNotifier;
deba@57
   392
    typedef AlterationNotifier<GraphExtender, Edge> EdgeNotifier;
deba@57
   393
deba@57
   394
deba@57
   395
  protected:
deba@57
   396
deba@57
   397
    mutable NodeNotifier node_notifier;
deba@57
   398
    mutable ArcNotifier arc_notifier;
deba@57
   399
    mutable EdgeNotifier edge_notifier;
deba@57
   400
deba@57
   401
  public:
deba@57
   402
deba@57
   403
    NodeNotifier& notifier(Node) const {
deba@57
   404
      return node_notifier;
deba@57
   405
    }
alpar@209
   406
deba@57
   407
    ArcNotifier& notifier(Arc) const {
deba@57
   408
      return arc_notifier;
deba@57
   409
    }
deba@57
   410
deba@57
   411
    EdgeNotifier& notifier(Edge) const {
deba@57
   412
      return edge_notifier;
deba@57
   413
    }
deba@57
   414
deba@57
   415
deba@57
   416
alpar@209
   417
    class NodeIt : public Node {
deba@78
   418
      const Graph* _graph;
deba@57
   419
    public:
deba@57
   420
deba@57
   421
      NodeIt() {}
deba@57
   422
deba@57
   423
      NodeIt(Invalid i) : Node(i) { }
deba@57
   424
deba@78
   425
      explicit NodeIt(const Graph& graph) : _graph(&graph) {
alpar@209
   426
        _graph->first(static_cast<Node&>(*this));
deba@57
   427
      }
deba@57
   428
alpar@209
   429
      NodeIt(const Graph& graph, const Node& node)
alpar@209
   430
        : Node(node), _graph(&graph) {}
deba@57
   431
alpar@209
   432
      NodeIt& operator++() {
alpar@209
   433
        _graph->next(*this);
alpar@209
   434
        return *this;
deba@57
   435
      }
deba@57
   436
deba@57
   437
    };
deba@57
   438
deba@57
   439
alpar@209
   440
    class ArcIt : public Arc {
deba@78
   441
      const Graph* _graph;
deba@57
   442
    public:
deba@57
   443
deba@57
   444
      ArcIt() { }
deba@57
   445
deba@57
   446
      ArcIt(Invalid i) : Arc(i) { }
deba@57
   447
deba@78
   448
      explicit ArcIt(const Graph& graph) : _graph(&graph) {
alpar@209
   449
        _graph->first(static_cast<Arc&>(*this));
deba@57
   450
      }
deba@57
   451
alpar@209
   452
      ArcIt(const Graph& graph, const Arc& arc) :
alpar@209
   453
        Arc(arc), _graph(&graph) { }
deba@57
   454
alpar@209
   455
      ArcIt& operator++() {
alpar@209
   456
        _graph->next(*this);
alpar@209
   457
        return *this;
deba@57
   458
      }
deba@57
   459
deba@57
   460
    };
deba@57
   461
deba@57
   462
alpar@209
   463
    class OutArcIt : public Arc {
deba@78
   464
      const Graph* _graph;
deba@57
   465
    public:
deba@57
   466
deba@57
   467
      OutArcIt() { }
deba@57
   468
deba@57
   469
      OutArcIt(Invalid i) : Arc(i) { }
deba@57
   470
alpar@209
   471
      OutArcIt(const Graph& graph, const Node& node)
alpar@209
   472
        : _graph(&graph) {
alpar@209
   473
        _graph->firstOut(*this, node);
deba@57
   474
      }
deba@57
   475
alpar@209
   476
      OutArcIt(const Graph& graph, const Arc& arc)
alpar@209
   477
        : Arc(arc), _graph(&graph) {}
deba@57
   478
alpar@209
   479
      OutArcIt& operator++() {
alpar@209
   480
        _graph->nextOut(*this);
alpar@209
   481
        return *this;
deba@57
   482
      }
deba@57
   483
deba@57
   484
    };
deba@57
   485
deba@57
   486
alpar@209
   487
    class InArcIt : public Arc {
deba@78
   488
      const Graph* _graph;
deba@57
   489
    public:
deba@57
   490
deba@57
   491
      InArcIt() { }
deba@57
   492
deba@57
   493
      InArcIt(Invalid i) : Arc(i) { }
deba@57
   494
alpar@209
   495
      InArcIt(const Graph& graph, const Node& node)
alpar@209
   496
        : _graph(&graph) {
alpar@209
   497
        _graph->firstIn(*this, node);
deba@57
   498
      }
deba@57
   499
alpar@209
   500
      InArcIt(const Graph& graph, const Arc& arc) :
alpar@209
   501
        Arc(arc), _graph(&graph) {}
deba@57
   502
alpar@209
   503
      InArcIt& operator++() {
alpar@209
   504
        _graph->nextIn(*this);
alpar@209
   505
        return *this;
deba@57
   506
      }
deba@57
   507
deba@57
   508
    };
deba@57
   509
deba@57
   510
alpar@209
   511
    class EdgeIt : public Parent::Edge {
deba@78
   512
      const Graph* _graph;
deba@57
   513
    public:
deba@57
   514
deba@57
   515
      EdgeIt() { }
deba@57
   516
deba@57
   517
      EdgeIt(Invalid i) : Edge(i) { }
deba@57
   518
deba@78
   519
      explicit EdgeIt(const Graph& graph) : _graph(&graph) {
alpar@209
   520
        _graph->first(static_cast<Edge&>(*this));
deba@57
   521
      }
deba@57
   522
alpar@209
   523
      EdgeIt(const Graph& graph, const Edge& edge) :
alpar@209
   524
        Edge(edge), _graph(&graph) { }
deba@57
   525
alpar@209
   526
      EdgeIt& operator++() {
alpar@209
   527
        _graph->next(*this);
alpar@209
   528
        return *this;
deba@57
   529
      }
deba@57
   530
deba@57
   531
    };
deba@57
   532
deba@78
   533
    class IncEdgeIt : public Parent::Edge {
deba@57
   534
      friend class GraphExtender;
deba@78
   535
      const Graph* _graph;
deba@78
   536
      bool _direction;
deba@57
   537
    public:
deba@57
   538
deba@78
   539
      IncEdgeIt() { }
deba@57
   540
deba@78
   541
      IncEdgeIt(Invalid i) : Edge(i), _direction(false) { }
deba@57
   542
deba@78
   543
      IncEdgeIt(const Graph& graph, const Node &node) : _graph(&graph) {
alpar@209
   544
        _graph->firstInc(*this, _direction, node);
deba@57
   545
      }
deba@57
   546
deba@78
   547
      IncEdgeIt(const Graph& graph, const Edge &edge, const Node &node)
alpar@209
   548
        : _graph(&graph), Edge(edge) {
alpar@209
   549
        _direction = (_graph->source(edge) == node);
deba@57
   550
      }
deba@57
   551
deba@78
   552
      IncEdgeIt& operator++() {
alpar@209
   553
        _graph->nextInc(*this, _direction);
alpar@209
   554
        return *this;
deba@57
   555
      }
deba@57
   556
    };
deba@57
   557
kpeter@314
   558
    // \brief Base node of the iterator
kpeter@314
   559
    //
kpeter@314
   560
    // Returns the base node (ie. the source in this case) of the iterator
deba@78
   561
    Node baseNode(const OutArcIt &arc) const {
deba@78
   562
      return Parent::source(static_cast<const Arc&>(arc));
deba@57
   563
    }
kpeter@314
   564
    // \brief Running node of the iterator
kpeter@314
   565
    //
kpeter@314
   566
    // Returns the running node (ie. the target in this case) of the
kpeter@314
   567
    // iterator
deba@78
   568
    Node runningNode(const OutArcIt &arc) const {
deba@78
   569
      return Parent::target(static_cast<const Arc&>(arc));
deba@57
   570
    }
deba@57
   571
kpeter@314
   572
    // \brief Base node of the iterator
kpeter@314
   573
    //
kpeter@314
   574
    // Returns the base node (ie. the target in this case) of the iterator
deba@78
   575
    Node baseNode(const InArcIt &arc) const {
deba@78
   576
      return Parent::target(static_cast<const Arc&>(arc));
deba@57
   577
    }
kpeter@314
   578
    // \brief Running node of the iterator
kpeter@314
   579
    //
kpeter@314
   580
    // Returns the running node (ie. the source in this case) of the
kpeter@314
   581
    // iterator
deba@78
   582
    Node runningNode(const InArcIt &arc) const {
deba@78
   583
      return Parent::source(static_cast<const Arc&>(arc));
deba@57
   584
    }
deba@57
   585
kpeter@314
   586
    // Base node of the iterator
kpeter@314
   587
    //
kpeter@314
   588
    // Returns the base node of the iterator
deba@78
   589
    Node baseNode(const IncEdgeIt &edge) const {
deba@125
   590
      return edge._direction ? u(edge) : v(edge);
deba@57
   591
    }
kpeter@314
   592
    // Running node of the iterator
kpeter@314
   593
    //
kpeter@314
   594
    // Returns the running node of the iterator
deba@78
   595
    Node runningNode(const IncEdgeIt &edge) const {
deba@125
   596
      return edge._direction ? v(edge) : u(edge);
deba@57
   597
    }
deba@57
   598
deba@57
   599
    // Mappable extension
deba@57
   600
deba@57
   601
    template <typename _Value>
alpar@209
   602
    class NodeMap
deba@78
   603
      : public MapExtender<DefaultMap<Graph, Node, _Value> > {
deba@57
   604
    public:
deba@78
   605
      typedef GraphExtender Graph;
deba@78
   606
      typedef MapExtender<DefaultMap<Graph, Node, _Value> > Parent;
deba@57
   607
alpar@209
   608
      NodeMap(const Graph& graph)
alpar@209
   609
        : Parent(graph) {}
alpar@209
   610
      NodeMap(const Graph& graph, const _Value& value)
alpar@209
   611
        : Parent(graph, value) {}
deba@57
   612
kpeter@263
   613
    private:
deba@57
   614
      NodeMap& operator=(const NodeMap& cmap) {
alpar@209
   615
        return operator=<NodeMap>(cmap);
deba@57
   616
      }
deba@57
   617
deba@57
   618
      template <typename CMap>
deba@57
   619
      NodeMap& operator=(const CMap& cmap) {
deba@57
   620
        Parent::operator=(cmap);
alpar@209
   621
        return *this;
deba@57
   622
      }
deba@57
   623
deba@57
   624
    };
deba@57
   625
deba@57
   626
    template <typename _Value>
alpar@209
   627
    class ArcMap
deba@78
   628
      : public MapExtender<DefaultMap<Graph, Arc, _Value> > {
deba@57
   629
    public:
deba@78
   630
      typedef GraphExtender Graph;
deba@78
   631
      typedef MapExtender<DefaultMap<Graph, Arc, _Value> > Parent;
deba@57
   632
alpar@209
   633
      ArcMap(const Graph& graph)
alpar@209
   634
        : Parent(graph) {}
alpar@209
   635
      ArcMap(const Graph& graph, const _Value& value)
alpar@209
   636
        : Parent(graph, value) {}
deba@57
   637
kpeter@263
   638
    private:
deba@57
   639
      ArcMap& operator=(const ArcMap& cmap) {
alpar@209
   640
        return operator=<ArcMap>(cmap);
deba@57
   641
      }
deba@57
   642
deba@57
   643
      template <typename CMap>
deba@57
   644
      ArcMap& operator=(const CMap& cmap) {
deba@57
   645
        Parent::operator=(cmap);
alpar@209
   646
        return *this;
deba@57
   647
      }
deba@57
   648
    };
deba@57
   649
deba@57
   650
deba@57
   651
    template <typename _Value>
alpar@209
   652
    class EdgeMap
deba@78
   653
      : public MapExtender<DefaultMap<Graph, Edge, _Value> > {
deba@57
   654
    public:
deba@78
   655
      typedef GraphExtender Graph;
deba@78
   656
      typedef MapExtender<DefaultMap<Graph, Edge, _Value> > Parent;
deba@57
   657
alpar@209
   658
      EdgeMap(const Graph& graph)
alpar@209
   659
        : Parent(graph) {}
deba@57
   660
alpar@209
   661
      EdgeMap(const Graph& graph, const _Value& value)
alpar@209
   662
        : Parent(graph, value) {}
deba@57
   663
kpeter@263
   664
    private:
deba@57
   665
      EdgeMap& operator=(const EdgeMap& cmap) {
alpar@209
   666
        return operator=<EdgeMap>(cmap);
deba@57
   667
      }
deba@57
   668
deba@57
   669
      template <typename CMap>
deba@57
   670
      EdgeMap& operator=(const CMap& cmap) {
deba@57
   671
        Parent::operator=(cmap);
alpar@209
   672
        return *this;
deba@57
   673
      }
deba@57
   674
deba@57
   675
    };
deba@57
   676
deba@57
   677
    // Alteration extension
deba@57
   678
deba@57
   679
    Node addNode() {
deba@57
   680
      Node node = Parent::addNode();
deba@57
   681
      notifier(Node()).add(node);
deba@57
   682
      return node;
deba@57
   683
    }
deba@57
   684
deba@57
   685
    Edge addEdge(const Node& from, const Node& to) {
deba@57
   686
      Edge edge = Parent::addEdge(from, to);
deba@57
   687
      notifier(Edge()).add(edge);
deba@57
   688
      std::vector<Arc> ev;
deba@57
   689
      ev.push_back(Parent::direct(edge, true));
alpar@209
   690
      ev.push_back(Parent::direct(edge, false));
deba@57
   691
      notifier(Arc()).add(ev);
deba@57
   692
      return edge;
deba@57
   693
    }
alpar@209
   694
deba@57
   695
    void clear() {
deba@57
   696
      notifier(Arc()).clear();
deba@57
   697
      notifier(Edge()).clear();
deba@57
   698
      notifier(Node()).clear();
deba@57
   699
      Parent::clear();
deba@57
   700
    }
deba@57
   701
deba@78
   702
    template <typename Graph, typename NodeRefMap, typename EdgeRefMap>
alpar@209
   703
    void build(const Graph& graph, NodeRefMap& nodeRef,
deba@57
   704
               EdgeRefMap& edgeRef) {
deba@78
   705
      Parent::build(graph, nodeRef, edgeRef);
deba@57
   706
      notifier(Node()).build();
deba@57
   707
      notifier(Edge()).build();
deba@57
   708
      notifier(Arc()).build();
deba@57
   709
    }
deba@57
   710
deba@57
   711
    void erase(const Node& node) {
deba@57
   712
      Arc arc;
deba@57
   713
      Parent::firstOut(arc, node);
deba@57
   714
      while (arc != INVALID ) {
alpar@209
   715
        erase(arc);
alpar@209
   716
        Parent::firstOut(arc, node);
alpar@209
   717
      }
deba@57
   718
deba@57
   719
      Parent::firstIn(arc, node);
deba@57
   720
      while (arc != INVALID ) {
alpar@209
   721
        erase(arc);
alpar@209
   722
        Parent::firstIn(arc, node);
deba@57
   723
      }
deba@57
   724
deba@57
   725
      notifier(Node()).erase(node);
deba@57
   726
      Parent::erase(node);
deba@57
   727
    }
deba@57
   728
deba@57
   729
    void erase(const Edge& edge) {
deba@78
   730
      std::vector<Arc> av;
deba@78
   731
      av.push_back(Parent::direct(edge, true));
alpar@209
   732
      av.push_back(Parent::direct(edge, false));
deba@78
   733
      notifier(Arc()).erase(av);
deba@57
   734
      notifier(Edge()).erase(edge);
deba@57
   735
      Parent::erase(edge);
deba@57
   736
    }
deba@57
   737
deba@57
   738
    GraphExtender() {
alpar@209
   739
      node_notifier.setContainer(*this);
deba@57
   740
      arc_notifier.setContainer(*this);
deba@57
   741
      edge_notifier.setContainer(*this);
alpar@209
   742
    }
deba@57
   743
deba@57
   744
    ~GraphExtender() {
deba@57
   745
      edge_notifier.clear();
deba@57
   746
      arc_notifier.clear();
alpar@209
   747
      node_notifier.clear();
alpar@209
   748
    }
deba@57
   749
deba@57
   750
  };
deba@57
   751
deba@57
   752
}
deba@57
   753
deba@57
   754
#endif