1 files changed, 44 insertions, 0 deletions
diff --git a/src/util.cpp b/src/util.cpp
index b70e3a5..70b8ebc 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -1968,3 +1968,47 @@ int getPrefixIndex(const QCString &name)
   }
   return 0;
 }
+
+//----------------------------------------------------------------------------
+
+static void initBaseClassHierarchy(BaseClassList *bcl)
+{
+  BaseClassListIterator bcli(*bcl);
+  for ( ; bcli.current(); ++bcli)
+  {
+    ClassDef *cd=bcli.current()->classDef;
+    if (cd->baseClasses()->count()==0) // no base classes => new root
+    {
+      initBaseClassHierarchy(cd->baseClasses());
+    }
+    cd->visited=FALSE;
+  }
+}
+
+//----------------------------------------------------------------------------
+
+void initClassHierarchy(ClassList *cl)
+{
+  ClassListIterator cli(*cl);
+  ClassDef *cd;
+  for ( ; (cd=cli.current()); ++cli)
+  {
+    cd->visited=FALSE;
+    initBaseClassHierarchy(cd->baseClasses());
+  }
+}
+
+//----------------------------------------------------------------------------
+
+bool hasVisibleRoot(BaseClassList *bcl)
+{
+  BaseClassListIterator bcli(*bcl);
+  for ( ; bcli.current(); ++bcli)
+  {
+    ClassDef *cd=bcli.current()->classDef;
+    if (cd->isVisibleInHierarchy()) return TRUE;
+    hasVisibleRoot(cd->baseClasses());
+  }
+  return FALSE;
+}
+