C++ SListConstIterator::succ方法代码示例

	void VarEdgeInserterDynCore::blockInsert(node s, node t, List<adjEntry> &L)
	{
		L.clear();

		// find path in SPQR-tree from an allocation node of s
		// to an allocation node of t
		SList<node>& path = m_pBC->dynamicSPQRForest().findPathSPQR(s, t);

		// call build_subpath for every R-node building the list L of crossed edges
		ExpandedGraph *pExp = createExpandedGraph(*m_pBC);

		node vPred = nullptr;
		path.pushBack(nullptr);
		SListConstIterator<node> it;
		for (it = path.begin(); *it; ++it)
		{
			node v = *it;
			node vSucc = *it.succ();

			if (m_pBC->dynamicSPQRForest().typeOfTNode(v) == DynamicSPQRForest::RComp)
				buildSubpath(v, vPred, vSucc, L, *pExp, s, t);

			vPred = v;
		}

		delete &path;
		delete pExp;
	}

void OptimalRanking::call (const Graph& G, NodeArray<int> &rank)
{
	List<edge> R;

	m_subgraph.get().call(G,R);

	EdgeArray<bool> reversed(G,false);
	for (edge e : R)
		reversed[e] = true;
	R.clear();

	EdgeArray<int> length(G,1);

	if(m_separateMultiEdges) {
		SListPure<edge> edges;
		EdgeArray<int> minIndex(G), maxIndex(G);
		parallelFreeSortUndirected(G, edges, minIndex, maxIndex);

		SListConstIterator<edge> it = edges.begin();
		if(it.valid())
		{
			int prevSrc = minIndex[*it];
			int prevTgt = maxIndex[*it];

			for(it = it.succ(); it.valid(); ++it) {
				edge e = *it;
				if (minIndex[e] == prevSrc && maxIndex[e] == prevTgt)
					length[e] = 2;
				else {
					prevSrc = minIndex[e];
					prevTgt = maxIndex[e];
				}
			}
		}
	}

	EdgeArray<int> cost(G,1);
	doCall(G, rank, reversed, length, cost);
}

void UpwardPlanRep::insertEdgePathEmbedded(edge eOrig, SList<adjEntry> crossedEdges, EdgeArray<int> &costOrig)
{
	removeSinkArcs(crossedEdges);

	//case the copy v of eOrig->source() is a sink switch
	//we muss remove the sink arcs incident to v, since after inserting eOrig, v is not a sink witch
	node v =  crossedEdges.front()->theNode();
	List<edge> outEdges;
	if (v->outdeg() == 1)
		v->outEdges(outEdges); // we delete these edges later

	m_eCopy[eOrig].clear();

	adjEntry adjSrc, adjTgt;
	SListConstIterator<adjEntry> it = crossedEdges.begin();

	// iterate over all adjacency entries in crossedEdges except for first
	// and last
	adjSrc = *it;
	List<adjEntry> dirtyList; // left and right face of the element of this list are modified
	for(++it; it.valid() && it.succ().valid(); ++it)
	{
		adjEntry adj = *it;

		bool isASourceArc = false, isASinkArc = false;
		if (m_isSinkArc[adj->theEdge()])
			isASinkArc = true;
		if (m_isSourceArc[adj->theEdge()])
			isASourceArc = true;

		int c = 0;
		if (original(adj->theEdge()) != nullptr)
			c = costOrig[original(adj->theEdge())];

		// split edge
		node u = m_Gamma.split(adj->theEdge())->source();
		if (!m_isSinkArc[adj->theEdge()] && !m_isSourceArc[adj->theEdge()])
			crossings = crossings + c; // crossing sink/source arcs cost nothing

		// determine target adjacency entry and source adjacency entry
		// in the next iteration step
		adjTgt = u->firstAdj();
		adjEntry adjSrcNext = adjTgt->succ();

		if (adjTgt != adj->twin())
			std::swap(adjTgt, adjSrcNext);

		edge e_split = adjTgt->theEdge(); // the new split edge
		if (e_split->source() != u)
			e_split = adjSrcNext->theEdge();

		if (isASinkArc)
			m_isSinkArc[e_split] = true;
		if (isASourceArc)
			m_isSourceArc[e_split] = true;

		// insert a new edge into the face
		edge eNew = m_Gamma.splitFace(adjSrc,adjTgt);
		m_eIterator[eNew] = GraphCopy::m_eCopy[eOrig].pushBack(eNew);
		m_eOrig[eNew] = eOrig;
		dirtyList.pushBack(eNew->adjSource());

		adjSrc = adjSrcNext;
	}

	// insert last edge
	edge eNew = m_Gamma.splitFace(adjSrc,*it);
	m_eIterator[eNew] = m_eCopy[eOrig].pushBack(eNew);
	m_eOrig[eNew] = eOrig;
	dirtyList.pushBack(eNew->adjSource());

	// remove the sink arc incident to v
	if(!outEdges.empty()) {
		edge e = outEdges.popFrontRet();
		if (m_isSinkArc[e])
			m_Gamma.joinFaces(e);
	}

	m_Gamma.setExternalFace(m_Gamma.rightFace(extFaceHandle));

	//computeSinkSwitches();
	FaceSinkGraph fsg(m_Gamma, s_hat);
	List<adjEntry> dummyList;
	FaceArray< List<adjEntry> > sinkSwitches(m_Gamma, dummyList);
	fsg.sinkSwitches(sinkSwitches);

	//construct sinkArc for the dirty faces
	for(adjEntry adj : dirtyList) {
		face fLeft = m_Gamma.leftFace(adj);
		face fRight = m_Gamma.rightFace(adj);
		List<adjEntry> switches = sinkSwitches[fLeft];

		OGDF_ASSERT(!switches.empty());

		constructSinkArcs(fLeft, switches.front()->theNode());

		OGDF_ASSERT(!switches.empty());

		switches = sinkSwitches[fRight];
		constructSinkArcs(fRight, switches.front()->theNode());
//.........这里部分代码省略.........