add iterator to ScMarkData

sc/inc/markdata.hxx

@@ -116,6 +116,14 @@ public:
     //  adjust table marking:
     void        InsertTab( SCTAB nTab );
     void        DeleteTab( SCTAB nTab );
+
+    // iterators for table access
+    typedef std::set<SCTAB>::iterator iterator;
+    typedef std::set<SCTAB>::const_iterator const_iterator;
+    iterator begin();
+    iterator end();
+    const_iterator begin() const;
+    const_iterator end() const;
 };
 
 

sc/source/core/data/markdata.cxx

@@ -617,6 +617,27 @@ void ScMarkData::DeleteTab( SCTAB nTab )
     maTabMarked.swap(tabMarked);
 }
 
+//iterators
+ScMarkData::iterator ScMarkData::begin()
+{
+    return maTabMarked.begin();
+}
+
+ScMarkData::iterator ScMarkData::end()
+{
+    return maTabMarked.end();
+}
+
+ScMarkData::const_iterator ScMarkData::begin() const
+{
+    return maTabMarked.begin();
+}
+
+ScMarkData::const_iterator ScMarkData::end() const
+{
+    return maTabMarked.end();
+}
+