RhodeCode

    template <typename Digraph, typename Enable = void>

    struct DigraphCopySelector {

      template <typename From, typename NodeRefMap, typename ArcRefMap>

      static void copy(const From& from, Digraph &to,

                       NodeRefMap& nodeRefMap, ArcRefMap& arcRefMap) {

        for (typename From::NodeIt it(from); it != INVALID; ++it) {

          nodeRefMap[it] = to.addNode();

        }

        for (typename From::ArcIt it(from); it != INVALID; ++it) {

          arcRefMap[it] = to.addArc(nodeRefMap[from.source(it)],

                                    nodeRefMap[from.target(it)]);

    template <typename Graph, typename Enable = void>

    struct GraphCopySelector {

      template <typename From, typename NodeRefMap, typename EdgeRefMap>

      static void copy(const From& from, Graph &to,

                       NodeRefMap& nodeRefMap, EdgeRefMap& edgeRefMap) {

        for (typename From::NodeIt it(from); it != INVALID; ++it) {

          nodeRefMap[it] = to.addNode();

        }

        for (typename From::EdgeIt it(from); it != INVALID; ++it) {

          edgeRefMap[it] = to.addEdge(nodeRefMap[from.u(it)],

                                      nodeRefMap[from.v(it)]);

using namespace std;

using namespace lemon;

void digraph_copy_test() {

  const int nn = 10;

  SmartDigraph from;

  SmartDigraph::NodeMap<int> fnm(from);

  SmartDigraph::ArcMap<int> fam(from);

  SmartDigraph::Node fn = INVALID;

  SmartDigraph::Arc fa = INVALID;

      SmartDigraph::Arc arc = from.addArc(fnv[i], fnv[j]);

      fam[arc] = i + j * j;

      if (i == 0 && j == 0) fa = arc;

    }

  }

  ListDigraph to;

  ListDigraph::NodeMap<int> tnm(to);

  ListDigraph::ArcMap<int> tam(to);

  ListDigraph::Node tn;

  ListDigraph::Arc ta;

  digraphCopy(from, to).

    nodeMap(fnm, tnm).arcMap(fam, tam).

    nodeRef(nr).arcRef(er).

    nodeCrossRef(ncr).arcCrossRef(ecr).

    node(fn, tn).arc(fa, ta).run();

  for (SmartDigraph::NodeIt it(from); it != INVALID; ++it) {

    check(ncr[nr[it]] == it, "Wrong copy.");

    check(fnm[it] == tnm[nr[it]], "Wrong copy.");

  }

  for (ListDigraph::ArcIt it(to); it != INVALID; ++it) {

    check(er[ecr[it]] == it, "Wrong copy.");

  }

  check(tn == nr[fn], "Wrong copy.");

  check(ta == er[fa], "Wrong copy.");

}

void graph_copy_test() {

  const int nn = 10;

  SmartGraph from;

  SmartGraph::NodeMap<int> fnm(from);

  SmartGraph::ArcMap<int> fam(from);

  SmartGraph::EdgeMap<int> fem(from);

  SmartGraph::Node fn = INVALID;

  SmartGraph::Arc fa = INVALID;

      fam[from.direct(edge, false)] = i * i + j;

      if (i == 0 && j == 0) fa = from.direct(edge, true);

      if (i == 0 && j == 0) fe = edge;

    }

  }

  ListGraph to;

  ListGraph::NodeMap<int> tnm(to);

  ListGraph::ArcMap<int> tam(to);

  ListGraph::EdgeMap<int> tem(to);

  ListGraph::Node tn;

  ListGraph::Arc ta;

  graphCopy(from, to).

    nodeMap(fnm, tnm).arcMap(fam, tam).edgeMap(fem, tem).

    nodeRef(nr).arcRef(ar).edgeRef(er).

    nodeCrossRef(ncr).arcCrossRef(acr).edgeCrossRef(ecr).

    node(fn, tn).arc(fa, ta).edge(fe, te).run();

  for (SmartGraph::NodeIt it(from); it != INVALID; ++it) {

    check(ncr[nr[it]] == it, "Wrong copy.");

    check(fnm[it] == tnm[nr[it]], "Wrong copy.");

  }

  for (SmartGraph::ArcIt it(from); it != INVALID; ++it) {

  for (ListGraph::EdgeIt it(to); it != INVALID; ++it) {

    check(er[ecr[it]] == it, "Wrong copy.");

  }

  check(tn == nr[fn], "Wrong copy.");

  check(ta == ar[fa], "Wrong copy.");

  check(te == er[fe], "Wrong copy.");

}

int main() {

  digraph_copy_test();

  graph_copy_test();