add resource-aliases.json

src/content/Content.hpp

@@ -137,12 +137,21 @@ public:
 
     static constexpr size_t MISSING = SIZE_MAX;
 
-    void add(std::string name, dv::value map) {
+    void add(const std::string& name, dv::value map) {
         indices[name] = names.size();
         names.push_back(name);
         savedData->push_back(std::move(map));
     }
 
+    void addAlias(const std::string& name, const std::string& alias) {
+        size_t index = indexOf(name);
+        if (index == MISSING) {
+            throw std::runtime_error(
+                "resource does not exists: "+name);
+        }
+        indices[alias] = index;
+    }
+
     const std::string& getName(size_t index) const {
         return names.at(index);
     }