Dict now has emptyValue member

common/include/Dict.hpp

@@ -16,6 +16,7 @@ class Dict
 
   static constexpr char const * unknownValueStr = "__unknownValue__";
   static constexpr char const * nullValueStr = "__nullValue__";
+  static constexpr char const * emptyValueStr = "__emptyValue__";
   static constexpr std::size_t maxEntrySize = 5000;
 
   private :

common/src/Dict.cpp

@@ -6,6 +6,7 @@ Dict::Dict(State state)
   setState(state);
   insert(unknownValueStr);
   insert(nullValueStr);
+  insert(emptyValueStr);
 }
 
 Dict::Dict(const char * filename, State state)
@@ -70,7 +71,7 @@ void Dict::insert(const std::string & element)
 int Dict::getIndexOrInsert(const std::string & element)
 {
   if (element.empty())
-    return getIndexOrInsert(nullValueStr);
+    return getIndexOrInsert(emptyValueStr);
 
   const auto & found = elementsToIndexes.find(element);