Adds GetBackgroundLabels.

sbf-cpp/Backgrounds.cpp

@@ -4,17 +4,28 @@
 #include <vector>
 
 namespace SBF {
-std::string GetBackgroundLabel(int backgroundId) {
+namespace {
+using std::string;
+using std::vector;
+}  // End namespace
+
+string GetBackgroundLabel(int backgroundId) {
   if (backgroundId > 0 && backgroundId <= kBackgroundsCount) {
     return kBackgroundLabels[backgroundId];
   }
   return "";
 }
 
-void FillBackgroundLabels(std::vector<std::string>& labels) {
+void FillBackgroundLabels(vector<string>& labels) {
   labels.clear();
   for (int id = 1; id <= kBackgroundsCount; id++) {
     labels.push_back(kBackgroundLabels[id]);
   }
 }
+
+vector<string> GetBackgroundLabels() {
+  vector<string> labels;
+  FillBackgroundLabels(labels);
+  return labels;
+}
 }  // End namespace SBF

sbf-cpp/Backgrounds.h

@@ -59,6 +59,10 @@ std::string GetBackgroundLabel(int background_id);
 /// @brief Fills the provided vector with all valid background labels.
 /// @param background_labels The vector to fill. It will be emptied first.
 void FillBackgroundLabels(std::vector<std::string>& background_labels);
+
+/// @brief Gets a vector of all the valid background labels.
+/// @return The filled vector with index = background_id -1.
+std::vector<std::string> GetBackgroundLabels();
 }  // End namespace SBF
 
 /** @}*/