1 files changed, 16 insertions, 2 deletions
diff --git a/source/core/StarJsonExtra.cpp b/source/core/StarJsonExtra.cpp
index 7a660d1..aed4989 100644
--- a/source/core/StarJsonExtra.cpp
+++ b/source/core/StarJsonExtra.cpp
@@ -301,7 +301,7 @@ StringList jsonToStringList(Json const& v) {
 
 Json jsonFromStringList(List<String> const& v) {
   JsonArray result;
-  for (auto e : v)
+  for (auto& e : v)
     result.push_back(e);
   return result;
 }
@@ -322,7 +322,7 @@ StringSet jsonToStringSet(Json const& v) {
 
 Json jsonFromStringSet(StringSet const& v) {
   JsonArray result;
-  for (auto e : v)
+  for (auto& e : v)
     result.push_back(e);
   return result;
 }
@@ -369,6 +369,20 @@ List<Color> jsonToColorList(Json const& v) {
   return result;
 }
 
+List<Directives> jsonToDirectivesList(Json const& v) {
+  List<Directives> result;
+  for (auto const& entry : v.iterateArray())
+    result.append(move(entry.toString()));
+  return result;
+}
+
+Json jsonFromDirectivesList(List<Directives> const& v) {
+  JsonArray result;
+  for (auto& e : v)
+    result.push_back(e.toString());
+  return result;
+}
+
 Json weightedChoiceFromJson(Json const& source, Json const& default_) {
   if (source.isNull())
     return default_;