Changeset 1026:bd7ea1a718e2 in lemon0.x
 Timestamp:
 12/01/04 15:08:37 (15 years ago)
 Branch:
 default
 Phase:
 public
 Convert:
 svn:c9d7d8f590d60310b91f818b3a526b0e/lemon/trunk@1416
 File:

 1 edited
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src/work/marci/merge_node_graph_wrapper.h
r1025 r1026 361 361 */ 362 362 template <typename _Graph1, typename _Graph2, typename Enable=void> 363 class MergeEdgeGraphWrapperBase :363 class MergeEdgeGraphWrapperBaseBase : 364 364 public MergeNodeGraphWrapperBase<_Graph1, _Graph2> { 365 365 public: … … 375 375 typedef typename Parent2::Edge Graph2Edge; 376 376 protected: 377 MergeEdgeGraphWrapperBase() { } 378 public: 379 template <typename _Value> class EdgeMap; 380 381 typedef typename Parent::Node Node; 377 MergeEdgeGraphWrapperBaseBase() { } 378 public: 382 379 383 380 class Edge : public Graph1Edge, public Graph2Edge { 384 friend class MergeEdgeGraphWrapperBase<_Graph1, _Graph2>; 385 template <typename _Value> friend class EdgeMap; 381 friend class MergeEdgeGraphWrapperBaseBase<_Graph1, _Graph2>; 386 382 protected: 387 383 bool backward; //true, iff backward … … 410 406 using Parent::forward; 411 407 using Parent::backward; 412 bool forward(const Edge& e) const { return !e.backward; } 413 bool backward(const Edge& e) const { return e.backward; } 414 415 using Parent::first; 416 void first(Edge& i) const { 417 Parent1::graph>first(*static_cast<Graph1Edge*>(&i)); 418 i.backward=false; 419 if (*static_cast<Graph1Edge*>(&i)==INVALID) { 420 Parent2::graph>first(*static_cast<Graph2Edge*>(&i)); 421 i.backward=true; 422 } 423 } 424 void firstIn(Edge& i, const Node& n) const { 425 if (!backward(n)) { 426 Parent1::graph>firstIn(*static_cast<Graph1Edge*>(&i), n); 427 if (*static_cast<Graph1Edge*>(&i)==INVALID) 428 i=INVALID; 429 else 430 i.backward=false; 431 } else { 432 Parent2::graph>firstIn(*static_cast<Graph2Edge*>(&i), n); 433 i.backward=true; 434 } 435 } 436 void firstOut(Edge& i, const Node& n) const { 437 if (!backward(n)) { 438 Parent1::graph>firstOut(*static_cast<Graph1Edge*>(&i), n); 439 if (*static_cast<Graph1Edge*>(&i)==INVALID) 440 i=INVALID; 441 else 442 i.backward=false; 443 } else { 444 Parent2::graph>firstOut(*static_cast<Graph2Edge*>(&i), n); 445 i.backward=true; 446 } 447 } 448 449 using Parent::next; 450 void next(Edge& i) const { 451 if (!(i.backward)) { 452 Parent1::graph>next(*static_cast<Graph1Edge*>(&i)); 453 if (*static_cast<Graph1Edge*>(&i)==INVALID) { 454 Parent2::graph>first(*static_cast<Graph2Edge*>(&i)); 455 i.backward=true; 456 } 457 } else { 458 Parent2::graph>next(*static_cast<Graph2Edge*>(&i)); 459 } 460 } 461 void nextIn(Edge& i) const { 462 if (!(i.backward)) { 463 Parent1::graph>nextIn(*static_cast<Graph1Edge*>(&i)); 464 if (*static_cast<Graph1Edge*>(&i)==INVALID) i=INVALID; 465 } else { 466 Parent2::graph>nextIn(*static_cast<Graph2Edge*>(&i)); 467 } 468 } 469 void nextOut(Edge& i) const { 470 if (!(i.backward)) { 471 Parent1::graph>nextOut(*static_cast<Graph1Edge*>(&i)); 472 if (*static_cast<Graph1Edge*>(&i)==INVALID) i=INVALID; 473 } else { 474 Parent2::graph>nextOut(*static_cast<Graph2Edge*>(&i)); 475 } 476 } 477 478 Node source(const Edge& i) const { 479 if (!(i.backward)) { 480 return 481 Node(Parent1::graph>source(i), INVALID, false); 482 } else { 483 return 484 Node(INVALID, Parent2::graph>source(i), true); 485 } 486 } 487 488 Node target(const Edge& i) const { 489 if (!(i.backward)) { 490 return 491 Node(Parent1::graph>target(i), INVALID, false); 492 } else { 493 return 494 Node(INVALID, Parent2::graph>target(i), true); 495 } 496 } 497 498 using Parent::id; 499 int id(const Edge& n) const { 500 if (!n.backward) 501 return this>Parent1::graph>id(n); 502 else 503 return this>Parent2::graph>id(n); 504 } 505 506 template <typename _Value> 507 class EdgeMap { 508 protected: 509 typedef typename Parent::Graph1::template EdgeMap<_Value> ParentMap1; 510 typedef typename Parent::Graph2::template EdgeMap<_Value> ParentMap2; 511 ParentMap1 forward_map; 512 ParentMap2 backward_map; 513 public: 514 typedef _Value Value; 515 typedef Edge Key; 516 EdgeMap(const MergeEdgeGraphWrapperBase<_Graph1, _Graph2>& gw) : 517 forward_map(*(gw.Parent1::graph)), 518 backward_map(*(gw.Parent2::graph)) { } 519 EdgeMap(const MergeEdgeGraphWrapperBase<_Graph1, _Graph2>& gw, 520 const _Value& value) : 521 forward_map(*(gw.Parent1::graph), value), 522 backward_map(*(gw.Parent2::graph), value) { } 523 _Value operator[](const Edge& n) const { 524 if (!n.backward) 525 return forward_map[n]; 526 else 527 return backward_map[n]; 528 } 529 void set(const Edge& n, const _Value& value) { 530 if (!n.backward) 531 forward_map.set(n, value); 532 else 533 backward_map.set(n, value); 534 } 535 // using ParentMap1::operator[]; 536 // using ParentMap2::operator[]; 537 }; 538 539 }; 408 using Parent::setForward; 409 using Parent::setBackward; 410 static bool forward(const Edge& e) { return !e.backward; } 411 static bool backward(const Edge& e) { return e.backward; } 412 static void setForward(Edge& e) { e.backward=false; } 413 static void setBackward(Edge& e) { e.backward=true; } 414 }; 415 540 416 541 417 … … 548 424 */ 549 425 template <typename _Graph1, typename _Graph2> 550 class MergeEdgeGraphWrapperBase <426 class MergeEdgeGraphWrapperBaseBase< 551 427 _Graph1, _Graph2, typename boost::enable_if< 552 428 boost::is_same<typename _Graph1::Edge, typename _Graph2::Edge> >::type> : … … 564 440 typedef typename Parent2::Edge Graph2Edge; 565 441 protected: 566 MergeEdgeGraphWrapperBase() { } 567 public: 568 template <typename _Value> class EdgeMap; 569 570 typedef typename Parent::Node Node; 442 MergeEdgeGraphWrapperBaseBase() { } 443 public: 571 444 572 445 class Edge : public Graph1Edge { 573 friend class MergeEdgeGraphWrapperBase<_Graph1, _Graph2>; 574 template <typename _Value> friend class EdgeMap; 446 friend class MergeEdgeGraphWrapperBaseBase<_Graph1, _Graph2>; 575 447 protected: 576 448 bool backward; //true, iff backward … … 595 467 using Parent::forward; 596 468 using Parent::backward; 597 bool forward(const Edge& e) const { return !e.backward; } 598 bool backward(const Edge& e) const { return e.backward; } 469 using Parent::setForward; 470 using Parent::setBackward; 471 static bool forward(const Edge& e) { return !e.backward; } 472 static bool backward(const Edge& e) { return e.backward; } 473 static void setForward(Edge& e) { e.backward=false; } 474 static void setBackward(Edge& e) { e.backward=true; } 475 }; 476 477 478 /*! A grah wrapper base class 479 for merging the nodesets and edgesets of 480 two nodedisjoint graphs 481 into one graph. 482 Specialized implementation for the case 483 when _Graph1::Edge is a base class and _Graph2::Edge 484 is derived from it. 485 */ 486 template <typename _Graph1, typename _Graph2> 487 class MergeEdgeGraphWrapperBaseBase< 488 _Graph1, _Graph2, typename boost::enable_if< 489 boost::is_base_and_derived<typename _Graph1::Edge, typename _Graph2::Edge> >::type> : 490 public MergeNodeGraphWrapperBase<_Graph1, _Graph2> { 491 public: 492 static void printEdge() { std::cout << "edge: 2nd is derived" << std::endl; } 493 typedef _Graph1 Graph1; 494 typedef _Graph2 Graph2; 495 typedef MergeNodeGraphWrapperBase<_Graph1, _Graph2> Parent; 496 typedef typename Parent::Parent1 Parent1; 497 typedef typename Parent::Parent2 Parent2; 498 // typedef P1<_Graph1> Parent1; 499 // typedef P2<_Graph2> Parent2; 500 typedef typename Parent1::Edge Graph1Edge; 501 typedef typename Parent2::Edge Graph2Edge; 502 protected: 503 MergeEdgeGraphWrapperBaseBase() { } 504 public: 505 506 class Edge : public Graph2Edge { 507 friend class MergeEdgeGraphWrapperBaseBase<_Graph1, _Graph2>; 508 protected: 509 bool backward; //true, iff backward 510 public: 511 Edge() { } 512 /// \todo =false is needed, or causes problems? 513 /// If \c _backward is false, then we get an edge corresponding to the 514 /// original one, otherwise its oppositely directed pair is obtained. 515 Edge(const Graph1Edge& n1, 516 const Graph2Edge& n2, bool _backward) : 517 Graph2Edge(n2), backward(_backward) { 518 if (!backward) *this=n1; 519 } 520 Edge(Invalid i) : Graph2Edge(i), backward(true) { } 521 bool operator==(const Edge& v) const { 522 if (backward) 523 return (v.backward && 524 static_cast<Graph2Edge>(*this)==static_cast<Graph2Edge>(v)); 525 else 526 return (!v.backward && 527 static_cast<Graph1Edge>(*this)==static_cast<Graph1Edge>(v)); 528 } 529 bool operator!=(const Edge& v) const { 530 return !(*this==v); 531 } 532 }; 533 534 using Parent::forward; 535 using Parent::backward; 536 using Parent::setForward; 537 using Parent::setBackward; 538 static bool forward(const Edge& e) { return !e.backward; } 539 static bool backward(const Edge& e) { return e.backward; } 540 static void setForward(Edge& e) { e.backward=false; } 541 static void setBackward(Edge& e) { e.backward=true; } 542 }; 543 544 545 /*! A grah wrapper base class 546 for merging the nodesets and edgesets of 547 two nodedisjoint graphs 548 into one graph. 549 Specialized implementation for the case 550 when _Graph1::Edge is derived from _Graph2::Edge. 551 */ 552 template <typename _Graph1, typename _Graph2> 553 class MergeEdgeGraphWrapperBaseBase< 554 _Graph1, _Graph2, typename boost::enable_if< 555 boost::is_base_and_derived<typename _Graph2::Edge, typename _Graph1::Edge> >::type> : 556 public MergeNodeGraphWrapperBase<_Graph1, _Graph2> { 557 public: 558 static void printEdge() { std::cout << "edge: 1st is derived" << std::endl; } 559 typedef _Graph1 Graph1; 560 typedef _Graph2 Graph2; 561 typedef MergeNodeGraphWrapperBaseBase<_Graph1, _Graph2> Parent; 562 typedef typename Parent::Parent1 Parent1; 563 typedef typename Parent::Parent2 Parent2; 564 // typedef P1<_Graph1> Parent1; 565 // typedef P2<_Graph2> Parent2; 566 typedef typename Parent1::Edge Graph1Edge; 567 typedef typename Parent2::Edge Graph2Edge; 568 protected: 569 MergeEdgeGraphWrapperBaseBase() { } 570 public: 571 572 class Edge : public Graph1Edge { 573 friend class MergeEdgeGraphWrapperBaseBase<_Graph1, _Graph2>; 574 protected: 575 bool backward; //true, iff backward 576 public: 577 Edge() { } 578 /// \todo =false is needed, or causes problems? 579 /// If \c _backward is false, then we get an edge corresponding to the 580 /// original one, otherwise its oppositely directed pair is obtained. 581 Edge(const Graph1Edge& n1, 582 const Graph2Edge& n2, bool _backward) : 583 Graph1Edge(n1), backward(_backward) { 584 if (backward) *this=n2; 585 } 586 Edge(Invalid i) : Graph1Edge(i), backward(true) { } 587 bool operator==(const Edge& v) const { 588 if (backward) 589 return (v.backward && 590 static_cast<Graph2Edge>(*this)==static_cast<Graph2Edge>(v)); 591 else 592 return (!v.backward && 593 static_cast<Graph1Edge>(*this)==static_cast<Graph1Edge>(v)); 594 } 595 bool operator!=(const Edge& v) const { 596 return !(*this==v); 597 } 598 }; 599 600 using Parent::forward; 601 using Parent::backward; 602 using Parent::setForward; 603 using Parent::setBackward; 604 static bool forward(const Edge& e) { return !e.backward; } 605 static bool backward(const Edge& e) { return e.backward; } 606 static void setForward(Edge& e) { e.backward=false; } 607 static void setBackward(Edge& e) { e.backward=true; } 608 }; 609 610 611 template <typename _Graph1, typename _Graph2> 612 class MergeEdgeGraphWrapperBase : 613 public MergeEdgeGraphWrapperBaseBase<_Graph1, _Graph2> { 614 public: 615 typedef MergeEdgeGraphWrapperBaseBase<_Graph1, _Graph2> Parent; 616 typedef _Graph1 Graph1; 617 typedef _Graph2 Graph2; 618 typedef typename Parent::Parent1 Parent1; 619 typedef typename Parent::Parent2 Parent2; 620 typedef typename Parent1::Node Graph1Node; 621 typedef typename Parent2::Node Graph2Node; 622 typedef typename Parent1::Edge Graph1Edge; 623 typedef typename Parent2::Edge Graph2Edge; 624 625 typedef typename Parent::Node Node; 626 typedef typename Parent::Edge Edge; 599 627 600 628 using Parent::first; 601 629 void first(Edge& i) const { 602 630 Parent1::graph>first(*static_cast<Graph1Edge*>(&i)); 603 i.backward=false;631 this>setForward(i); 604 632 if (*static_cast<Graph1Edge*>(&i)==INVALID) { 605 Parent2::graph>first(*static_cast<Graph 1Edge*>(&i));606 i.backward=true;633 Parent2::graph>first(*static_cast<Graph2Edge*>(&i)); 634 this>setBackward(i); 607 635 } 608 636 } 609 637 void firstIn(Edge& i, const Node& n) const { 610 if ( !backward(n)) {638 if (forward(n)) { 611 639 Parent1::graph>firstIn(*static_cast<Graph1Edge*>(&i), n); 612 640 if (*static_cast<Graph1Edge*>(&i)==INVALID) 613 641 i=INVALID; 614 642 else 615 i.backward=false;616 } else { 617 Parent2::graph>firstIn(*static_cast<Graph 1Edge*>(&i), n);618 i.backward=true;643 this>setForward(i); 644 } else { 645 Parent2::graph>firstIn(*static_cast<Graph2Edge*>(&i), n); 646 this>setBackward(i); 619 647 } 620 648 } 621 649 void firstOut(Edge& i, const Node& n) const { 622 if ( !backward(n)) {650 if (forward(n)) { 623 651 Parent1::graph>firstOut(*static_cast<Graph1Edge*>(&i), n); 624 652 if (*static_cast<Graph1Edge*>(&i)==INVALID) 625 653 i=INVALID; 626 654 else 627 i.backward=false;628 } else { 629 Parent2::graph>firstOut(*static_cast<Graph 1Edge*>(&i), n);630 i.backward=true;655 this>setForward(i); 656 } else { 657 Parent2::graph>firstOut(*static_cast<Graph2Edge*>(&i), n); 658 this>setBackward(i); 631 659 } 632 660 } … … 634 662 using Parent::next; 635 663 void next(Edge& i) const { 636 if ( !(i.backward)) {664 if (forward(i)) { 637 665 Parent1::graph>next(*static_cast<Graph1Edge*>(&i)); 638 666 if (*static_cast<Graph1Edge*>(&i)==INVALID) { 639 Parent2::graph>first(*static_cast<Graph 1Edge*>(&i));640 i.backward=true;667 Parent2::graph>first(*static_cast<Graph2Edge*>(&i)); 668 this>setBackward(i); 641 669 } 642 670 } else { 643 Parent2::graph>next(*static_cast<Graph 1Edge*>(&i));671 Parent2::graph>next(*static_cast<Graph2Edge*>(&i)); 644 672 } 645 673 } 646 674 void nextIn(Edge& i) const { 647 if ( !(i.backward)) {675 if (forward(i)) { 648 676 Parent1::graph>nextIn(*static_cast<Graph1Edge*>(&i)); 649 677 if (*static_cast<Graph1Edge*>(&i)==INVALID) i=INVALID; 650 678 } else { 651 Parent2::graph>nextIn(*static_cast<Graph 1Edge*>(&i));679 Parent2::graph>nextIn(*static_cast<Graph2Edge*>(&i)); 652 680 } 653 681 } 654 682 void nextOut(Edge& i) const { 655 if ( !(i.backward)) {683 if (Parent::forward(i)) { 656 684 Parent1::graph>nextOut(*static_cast<Graph1Edge*>(&i)); 657 685 if (*static_cast<Graph1Edge*>(&i)==INVALID) i=INVALID; 658 686 } else { 659 Parent2::graph>nextOut(*static_cast<Graph 1Edge*>(&i));687 Parent2::graph>nextOut(*static_cast<Graph2Edge*>(&i)); 660 688 } 661 689 } 662 690 663 691 Node source(const Edge& i) const { 664 if ( !(i.backward)) {692 if (forward(i)) { 665 693 return 666 694 Node(Parent1::graph>source(i), INVALID, false); … … 672 700 673 701 Node target(const Edge& i) const { 674 if ( !(i.backward)) {702 if (forward(i)) { 675 703 return 676 704 Node(Parent1::graph>target(i), INVALID, false); … … 683 711 using Parent::id; 684 712 int id(const Edge& n) const { 685 if ( !n.backward)713 if (forward(n)) 686 714 return this>Parent1::graph>id(n); 687 715 else … … 707 735 backward_map(*(gw.Parent2::graph), value) { } 708 736 _Value operator[](const Edge& n) const { 709 if ( !n.backward)737 if (Parent::forward(n)) 710 738 return forward_map[n]; 711 739 else … … 713 741 } 714 742 void set(const Edge& n, const _Value& value) { 715 if ( !n.backward)743 if (Parent::forward(n)) 716 744 forward_map.set(n, value); 717 745 else … … 725 753 726 754 727 /*! A grah wrapper base class 728 for merging the nodesets and edgesets of729 two nodedisjoint graphs755 756 /*! A graph wrapper class 757 for merging two nodedisjoint graphs 730 758 into one graph. 731 Specialized implementation for the case 732 when _Graph1::Edge is a base class and _Graph2::Edge 733 is derived from it. 734 */ 735 template <typename _Graph1, typename _Graph2> 736 class MergeEdgeGraphWrapperBase< 737 _Graph1, _Graph2, typename boost::enable_if< 738 boost::is_base_and_derived<typename _Graph1::Edge, typename _Graph2::Edge> >::type> : 739 public MergeNodeGraphWrapperBase<_Graph1, _Graph2> { 740 public: 741 static void printEdge() { std::cout << "edge: 2nd is derived" << std::endl; } 742 typedef _Graph1 Graph1; 743 typedef _Graph2 Graph2; 744 typedef MergeNodeGraphWrapperBase<_Graph1, _Graph2> Parent; 745 typedef typename Parent::Parent1 Parent1; 746 typedef typename Parent::Parent2 Parent2; 747 // typedef P1<_Graph1> Parent1; 748 // typedef P2<_Graph2> Parent2; 749 typedef typename Parent1::Edge Graph1Edge; 750 typedef typename Parent2::Edge Graph2Edge; 751 protected: 752 MergeEdgeGraphWrapperBase() { } 753 public: 754 template <typename _Value> class EdgeMap; 755 756 typedef typename Parent::Node Node; 757 758 class Edge : public Graph2Edge { 759 friend class MergeEdgeGraphWrapperBase<_Graph1, _Graph2>; 760 template <typename _Value> friend class EdgeMap; 761 protected: 762 bool backward; //true, iff backward 763 public: 764 Edge() { } 765 /// \todo =false is needed, or causes problems? 766 /// If \c _backward is false, then we get an edge corresponding to the 767 /// original one, otherwise its oppositely directed pair is obtained. 768 Edge(const Graph1Edge& n1, 769 const Graph2Edge& n2, bool _backward) : 770 Graph2Edge(n2), backward(_backward) { 771 if (!backward) *this=n1; 772 } 773 Edge(Invalid i) : Graph2Edge(i), backward(true) { } 774 bool operator==(const Edge& v) const { 775 if (backward) 776 return (v.backward && 777 static_cast<Graph2Edge>(*this)==static_cast<Graph2Edge>(v)); 778 else 779 return (!v.backward && 780 static_cast<Graph1Edge>(*this)==static_cast<Graph1Edge>(v)); 781 } 782 bool operator!=(const Edge& v) const { 783 return !(*this==v); 784 } 785 }; 786 787 using Parent::forward; 788 using Parent::backward; 789 bool forward(const Edge& e) const { return !e.backward; } 790 bool backward(const Edge& e) const { return e.backward; } 791 792 using Parent::first; 793 void first(Edge& i) const { 794 Parent1::graph>first(*static_cast<Graph1Edge*>(&i)); 795 i.backward=false; 796 if (*static_cast<Graph1Edge*>(&i)==INVALID) { 797 Parent2::graph>first(*static_cast<Graph2Edge*>(&i)); 798 i.backward=true; 799 } 800 } 801 void firstIn(Edge& i, const Node& n) const { 802 if (!backward(n)) { 803 Parent1::graph>firstIn(*static_cast<Graph1Edge*>(&i), n); 804 if (*static_cast<Graph1Edge*>(&i)==INVALID) 805 i=INVALID; 806 else 807 i.backward=false; 808 } else { 809 Parent2::graph>firstIn(*static_cast<Graph2Edge*>(&i), n); 810 i.backward=true; 811 } 812 } 813 void firstOut(Edge& i, const Node& n) const { 814 if (!backward(n)) { 815 Parent1::graph>firstOut(*static_cast<Graph1Edge*>(&i), n); 816 if (*static_cast<Graph1Edge*>(&i)==INVALID) 817 i=INVALID; 818 else 819 i.backward=false; 820 } else { 821 Parent2::graph>firstOut(*static_cast<Graph2Edge*>(&i), n); 822 i.backward=true; 823 } 824 } 825 826 using Parent::next; 827 void next(Edge& i) const { 828 if (!(i.backward)) { 829 Parent1::graph>next(*static_cast<Graph1Edge*>(&i)); 830 if (*static_cast<Graph1Edge*>(&i)==INVALID) { 831 Parent2::graph>first(*static_cast<Graph2Edge*>(&i)); 832 i.backward=true; 833 } 834 } else { 835 Parent2::graph>next(*static_cast<Graph2Edge*>(&i)); 836 } 837 } 838 void nextIn(Edge& i) const { 839 if (!(i.backward)) { 840 Parent1::graph>nextIn(*static_cast<Graph1Edge*>(&i)); 841 if (*static_cast<Graph1Edge*>(&i)==INVALID) i=INVALID; 842 } else { 843 Parent2::graph>nextIn(*static_cast<Graph2Edge*>(&i)); 844 } 845 } 846 void nextOut(Edge& i) const { 847 if (!(i.backward)) { 848 Parent1::graph>nextOut(*static_cast<Graph1Edge*>(&i)); 849 if (*static_cast<Graph1Edge*>(&i)==INVALID) i=INVALID; 850 } else { 851 Parent2::graph>nextOut(*static_cast<Graph2Edge*>(&i)); 852 } 853 } 854 855 Node source(const Edge& i) const { 856 if (!(i.backward)) { 857 return 858 Node(Parent1::graph>source(i), INVALID, false); 859 } else { 860 return 861 Node(INVALID, Parent2::graph>source(i), true); 862 } 863 } 864 865 Node target(const Edge& i) const { 866 if (!(i.backward)) { 867 return 868 Node(Parent1::graph>target(i), INVALID, false); 869 } else { 870 return 871 Node(INVALID, Parent2::graph>target(i), true); 872 } 873 } 874 875 using Parent::id; 876 int id(const Edge& n) const { 877 if (!n.backward) 878 return this>Parent1::graph>id(n); 879 else 880 return this>Parent2::graph>id(n); 881 } 882 883 template <typename _Value> 884 class EdgeMap { 885 protected: 886 typedef typename Parent::Graph1::template EdgeMap<_Value> ParentMap1; 887 typedef typename Parent::Graph2::template EdgeMap<_Value> ParentMap2; 888 ParentMap1 forward_map; 889 ParentMap2 backward_map; 890 public: 891 typedef _Value Value; 892 typedef Edge Key; 893 EdgeMap(const MergeEdgeGraphWrapperBase<_Graph1, _Graph2>& gw) : 894 forward_map(*(gw.Parent1::graph)), 895 backward_map(*(gw.Parent2::graph)) { } 896 EdgeMap(const MergeEdgeGraphWrapperBase<_Graph1, _Graph2>& gw, 897 const _Value& value) : 898 forward_map(*(gw.Parent1::graph), value), 899 backward_map(*(gw.Parent2::graph), value) { } 900 _Value operator[](const Edge& n) const { 901 if (!n.backward) 902 return forward_map[n]; 903 else 904 return backward_map[n]; 905 } 906 void set(const Edge& n, const _Value& value) { 907 if (!n.backward) 908 forward_map.set(n, value); 909 else 910 backward_map.set(n, value); 911 } 912 // using ParentMap1::operator[]; 913 // using ParentMap2::operator[]; 914 }; 915 916 }; 917 918 919 /*! A grah wrapper base class 920 for merging the nodesets and edgesets of 921 two nodedisjoint graphs 922 into one graph. 923 Specialized implementation for the case 924 when _Graph1::Edge is derived from _Graph2::Edge. 925 */ 926 template <typename _Graph1, typename _Graph2> 927 class MergeEdgeGraphWrapperBase< 928 _Graph1, _Graph2, typename boost::enable_if< 929 boost::is_base_and_derived<typename _Graph2::Edge, typename _Graph1::Edge> >::type> : 930 public MergeNodeGraphWrapperBase<_Graph1, _Graph2> { 931 public: 932 static void printEdge() { std::cout << "edge: 1st is derived" << std::endl; } 933 typedef _Graph1 Graph1; 934 typedef _Graph2 Graph2; 935 typedef MergeNodeGraphWrapperBase<_Graph1, _Graph2> Parent; 936 typedef typename Parent::Parent1 Parent1; 937 typedef typename Parent::Parent2 Parent2; 938 // typedef P1<_Graph1> Parent1; 939 // typedef P2<_Graph2> Parent2; 940 typedef typename Parent1::Edge Graph1Edge; 941 typedef typename Parent2::Edge Graph2Edge; 942 protected: 943 MergeEdgeGraphWrapperBase() { } 944 public: 945 template <typename _Value> class EdgeMap; 946 947 typedef typename Parent::Node Node; 948 949 class Edge : public Graph1Edge { 950 friend class MergeEdgeGraphWrapperBase<_Graph1, _Graph2>; 951 template <typename _Value> friend class EdgeMap; 952 protected: 953 bool backward; //true, iff backward 954 public: 955 Edge() { } 956 /// \todo =false is needed, or causes problems? 957 /// If \c _backward is false, then we get an edge corresponding to the 958 /// original one, otherwise its oppositely directed pair is obtained. 959 Edge(const Graph1Edge& n1, 960 const Graph2Edge& n2, bool _backward) : 961 Graph1Edge(n1), backward(_backward) { 962 if (backward) *this=n2; 963 } 964 Edge(Invalid i) : Graph1Edge(i), backward(true) { } 965 bool operator==(const Edge& v) const { 966 if (backward) 967 return (v.backward && 968 static_cast<Graph2Edge>(*this)==static_cast<Graph2Edge>(v)); 969 else 970 return (!v.backward && 971 static_cast<Graph1Edge>(*this)==static_cast<Graph1Edge>(v)); 972 } 973 bool operator!=(const Edge& v) const { 974 return !(*this==v); 975 } 976 }; 977 978 using Parent::forward; 979 using Parent::backward; 980 bool forward(const Edge& e) const { return !e.backward; } 981 bool backward(const Edge& e) const { return e.backward; } 982 983 using Parent::first; 984 void first(Edge& i) const { 985 Parent1::graph>first(*static_cast<Graph1Edge*>(&i)); 986 i.backward=false; 987 if (*static_cast<Graph1Edge*>(&i)==INVALID) { 988 Parent2::graph>first(*static_cast<Graph2Edge*>(&i)); 989 i.backward=true; 990 } 991 } 992 void firstIn(Edge& i, const Node& n) const { 993 if (!backward(n)) { 994 Parent1::graph>firstIn(*static_cast<Graph1Edge*>(&i), n); 995 if (*static_cast<Graph1Edge*>(&i)==INVALID) 996 i=INVALID; 997 else 998 i.backward=false; 999 } else { 1000 Parent2::graph>firstIn(*static_cast<Graph2Edge*>(&i), n); 1001 i.backward=true; 1002 } 1003 } 1004 void firstOut(Edge& i, const Node& n) const { 1005 if (!backward(n)) { 1006 Parent1::graph>firstOut(*static_cast<Graph1Edge*>(&i), n); 1007 if (*static_cast<Graph1Edge*>(&i)==INVALID) 1008 i=INVALID; 1009 else 1010 i.backward=false; 1011 } else { 1012 Parent2::graph>firstOut(*static_cast<Graph2Edge*>(&i), n); 1013 i.backward=true; 1014 } 1015 } 1016 1017 using Parent::next; 1018 void next(Edge& i) const { 1019 if (!(i.backward)) { 1020 Parent1::graph>next(*static_cast<Graph1Edge*>(&i)); 1021 if (*static_cast<Graph1Edge*>(&i)==INVALID) { 1022 Parent2::graph>first(*static_cast<Graph2Edge*>(&i)); 1023 i.backward=true; 1024 } 1025 } else { 1026 Parent2::graph>next(*static_cast<Graph2Edge*>(&i)); 1027 } 1028 } 1029 void nextIn(Edge& i) const { 1030 if (!(i.backward)) { 1031 Parent1::graph>nextIn(*static_cast<Graph1Edge*>(&i)); 1032 if (*static_cast<Graph1Edge*>(&i)==INVALID) i=INVALID; 1033 } else { 1034 Parent2::graph>nextIn(*static_cast<Graph2Edge*>(&i)); 1035 } 1036 } 1037 void nextOut(Edge& i) const { 1038 if (!(i.backward)) { 1039 Parent1::graph>nextOut(*static_cast<Graph1Edge*>(&i)); 1040 if (*static_cast<Graph1Edge*>(&i)==INVALID) i=INVALID; 1041 } else { 1042 Parent2::graph>nextOut(*static_cast<Graph2Edge*>(&i)); 1043 } 1044 } 1045 1046 Node source(const Edge& i) const { 1047 if (!(i.backward)) { 1048 return 1049 Node(Parent1::graph>source(i), INVALID, false); 1050 } else { 1051 return 1052 Node(INVALID, Parent2::graph>source(i), true); 1053 } 1054 } 1055 1056 Node target(const Edge& i) const { 1057 if (!(i.backward)) { 1058 return 1059 Node(Parent1::graph>target(i), INVALID, false); 1060 } else { 1061 return 1062 Node(INVALID, Parent2::graph>target(i), true); 1063 } 1064 } 1065 1066 using Parent::id; 1067 int id(const Edge& n) const { 1068 if (!n.backward) 1069 return this>Parent1::graph>id(n); 1070 else 1071 return this>Parent2::graph>id(n); 1072 } 1073 1074 template <typename _Value> 1075 class EdgeMap { 1076 protected: 1077 typedef typename Parent::Graph1::template EdgeMap<_Value> ParentMap1; 1078 typedef typename Parent::Graph2::template EdgeMap<_Value> ParentMap2; 1079 ParentMap1 forward_map; 1080 ParentMap2 backward_map; 1081 public: 1082 typedef _Value Value; 1083 typedef Edge Key; 1084 EdgeMap(const MergeEdgeGraphWrapperBase<_Graph1, _Graph2>& gw) : 1085 forward_map(*(gw.Parent1::graph)), 1086 backward_map(*(gw.Parent2::graph)) { } 1087 EdgeMap(const MergeEdgeGraphWrapperBase<_Graph1, _Graph2>& gw, 1088 const _Value& value) : 1089 forward_map(*(gw.Parent1::graph), value), 1090 backward_map(*(gw.Parent2::graph), value) { } 1091 _Value operator[](const Edge& n) const { 1092 if (!n.backward) 1093 return forward_map[n]; 1094 else 1095 return backward_map[n]; 1096 } 1097 void set(const Edge& n, const _Value& value) { 1098 if (!n.backward) 1099 forward_map.set(n, value); 1100 else 1101 backward_map.set(n, value); 1102 } 1103 // using ParentMap1::operator[]; 1104 // using ParentMap2::operator[]; 1105 }; 1106 1107 }; 1108 1109 1110 /*! A graph wrapper class 1111 for merging the nodesets and edgesets of 1112 two nodedisjoint graphs 1113 into one graph. 1114 */ 759 Different implementations are according to the relation of 760 _Graph1::Edge and _Graph2::Edge. 761 If _Graph1::Edge and _Graph2::Edge are unrelated, then 762 MergeEdgeGraphWrapper<_Graph1, _Graph2>::Edge 763 is derived from both. 764 If _Graph1::Edge and _Graph2::Edge are the same type, then 765 MergeEdgeGraphWrapper<_Graph1, _Graph2>::Edge 766 is derived from _Graph1::Edge. 767 If one of _Graph1::Edge and _Graph2::Edge 768 is derived from the other one, then 769 MergeEdgeGraphWrapper<_Graph1, _Graph2>::Edge 770 is derived from the derived type. 771 It does not satisfy 772 */ 1115 773 template <typename _Graph1, typename _Graph2> 1116 774 class MergeEdgeGraphWrapper : public
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