working metadata reading

src/hurricanedata/datareader.h

@@ -16,6 +16,14 @@ public:
     template <typename T>
     void loadFile(T* dataOut, size_t fileIndex);
 
+    template <typename T>
+    void loadFile(T* dataOut, size_t fileIndex, const std::string& variableName);
+
+    size_t axisLength(size_t fileIndex, const std::string& axisName);
+
+    // template <typename T>
+    // void readAndAllocateAxis(T** axis_ptr, size_t *size, NcVar var) {
+
     ~DataReader();
 private:
     FilePathManager filePathManager;