1 files changed, 21 insertions, 40 deletions
diff --git a/src/dotclassgraph.cpp b/src/dotclassgraph.cpp
index 28967f4..84b7962 100644
--- a/src/dotclassgraph.cpp
+++ b/src/dotclassgraph.cpp
@@ -239,6 +239,25 @@ bool DotClassGraph::determineVisibleNodes(DotNode *rootNode,
                                       // left to right order.
 }
 
+static QCString joinLabels(const StringSet &ss)
+{
+  QCString label;
+  int count=1;
+  int maxLabels=10;
+  auto it = std::begin(ss), e = std::end(ss);
+  if (it!=e) // set not empty
+  {
+    label += (*it++).c_str();
+    for (; it!=e && count < maxLabels ; ++it,++count)
+    {
+      label += '\n';
+      label += (*it).c_str();
+    }
+    if (count==maxLabels) label+="\n...";
+  }
+  return label;
+}
+
 void DotClassGraph::buildGraph(const ClassDef *cd,DotNode *n,bool base,int distance)
 {
   //printf("DocClassGraph::buildGraph(%s,distance=%d,base=%d)\n",
@@ -275,27 +294,8 @@ void DotClassGraph::buildGraph(const ClassDef *cd,DotNode *n,bool base,int dista
       UsesClassDef *ucd;
       for (;(ucd=ucdi.current());++ucdi)
       {
-        QCString label;
-        QDictIterator<void> dvi(*ucd->accessors);
-        const char *s;
-        bool first=TRUE;
-        int count=0;
-        int maxLabels=10;
-        for (;(s=dvi.currentKey()) && count<maxLabels;++dvi,++count)
-        {
-          if (first)
-          {
-            label=s;
-            first=FALSE;
-          }
-          else
-          {
-            label+=QCString("\n")+s;
-          }
-        }
-        if (count==maxLabels) label+="\n...";
         //printf("addClass: %s templSpec=%s\n",ucd->classDef->name().data(),ucd->templSpecifiers.data());
-        addClass(ucd->classDef,n,EdgeInfo::Purple,label,0,
+        addClass(ucd->classDef,n,EdgeInfo::Purple,joinLabels(ucd->accessors),0,
           ucd->templSpecifiers,base,distance);
       }
     }
@@ -309,27 +309,8 @@ void DotClassGraph::buildGraph(const ClassDef *cd,DotNode *n,bool base,int dista
       ConstraintClassDef *ccd;
       for (;(ccd=ccdi.current());++ccdi)
       {
-        QCString label;
-        QDictIterator<void> dvi(*ccd->accessors);
-        const char *s;
-        bool first=TRUE;
-        int count=0;
-        int maxLabels=10;
-        for (;(s=dvi.currentKey()) && count<maxLabels;++dvi,++count)
-        {
-          if (first)
-          {
-            label=s;
-            first=FALSE;
-          }
-          else
-          {
-            label+=QCString("\n")+s;
-          }
-        }
-        if (count==maxLabels) label+="\n...";
         //printf("addClass: %s templSpec=%s\n",ucd->classDef->name().data(),ucd->templSpecifiers.data());
-        addClass(ccd->classDef,n,EdgeInfo::Orange2,label,0,
+        addClass(ccd->classDef,n,EdgeInfo::Orange2,joinLabels(ccd->accessors),0,
           0,TRUE,distance);
       }
     }