Add datafacade factory to select avoid flags

src/extractor/extractor.cpp

@@ -89,7 +89,10 @@ void SetAvoidableClasses(const ExtractorCallbacks::ClassesMap &classes_map,
         throw util::exception("Only " + std::to_string(MAX_AVOIDABLE_CLASSES) + " avoidable combinations allowed.");
     }
 
-    std::size_t combination_index = 0;
+    // The avoid index 0 is reserve for not avoiding anything
+    profile_properties.SetAvoidableClasses(0, 0);
+
+    std::size_t combination_index = 1;
     for (const auto &combination : avoidable_classes)
     {
         ClassData mask = 0;

src/extractor/extractor_callbacks.cpp

@@ -189,7 +189,7 @@ void ExtractorCallbacks::ProcessWay(const osmium::Way &input_way, const Extracti
                 throw util::exception("Maximum number of classes if " +
                                       std::to_string(MAX_CLASS_INDEX + 1));
             }
-            ClassData class_mask = 1u << classes_map.size();
+            ClassData class_mask = getClassData(classes_map.size());
             classes_map[class_name] = class_mask;
             return class_mask;
         }