Integration of OCCT 6.5.0 from SVN

src/IFGraph/IFGraph_StrongComponants.cxx

@@ -0,0 +1,49 @@
+#include <IFGraph_StrongComponants.ixx>
+//#include <IFGraph_SortedStrongs.hxx>
+#include <Interface_Graph.hxx>
+#include <Interface_GraphContent.hxx>
+
+//#define PRINTDEB
+#define pbgraphtool
+
+
+    IFGraph_StrongComponants::IFGraph_StrongComponants
+  (const Interface_Graph& agraph, const Standard_Boolean whole)
+      : IFGraph_SubPartsIterator (agraph, whole)    {  }
+
+    void  IFGraph_StrongComponants::Evaluate ()
+{
+  Interface_GraphContent iter = Loaded();
+  Interface_Graph G(thegraph); G.GetFromIter(iter,0);
+#ifdef pbgraphtool
+  Standard_Integer nb = G.Size();
+  for (Standard_Integer i = 1; i <= nb; i ++) {
+    if (!G.IsPresent(i)) continue;
+    AddPart();
+    GetFromEntity (G.Entity(i),Standard_False);
+  }
+#else
+#ifdef PRINTDEB
+  cout<<"StrongComponants :"<<endl;
+#endif
+  for (IFGraph_SortedStrongs res(G); res.More(); res.Next()) {
+    Standard_Integer nb = res.NbVertices();
+#ifdef PRINTDEB
+    cout<<"  Iteration, Vertices:"<<nb<<" :";
+#endif
+    if (nb == 0) continue;
+    AddPart();
+    for (Standard_Integer i = 1; i <= nb; i ++)
+#ifdef PRINTDEB
+      {
+	Handle(Standard_Transient) oneres = res.Value(i);
+	cout<<" "<<G.EntityNumber(oneres);
+	GetFromEntity(oneres,Standard_False);
+      }
+    cout<<endl;
+#else
+      GetFromEntity(res.Value(i),Standard_False);
+#endif
+  }
+#endif
+}