ConfigReader: add HierarchyModifier argument to constructor (optional)

Modules/include/ConfigReader.h

@@ -114,8 +114,12 @@ namespace ChimeraTK {
    */
   struct ConfigReader : ApplicationModule {
     ConfigReader(EntityOwner* owner, const std::string& name, const std::string& fileName,
+        HierarchyModifier hierarchyModifier = HierarchyModifier::none,
         const std::unordered_set<std::string>& tags = {});
 
+    ConfigReader(EntityOwner* owner, const std::string& name, const std::string& fileName,
+        const std::unordered_set<std::string>& tags);
+
     ~ConfigReader() override;
     void mainLoop() override {}
     void prepare() override;
@@ -128,6 +132,9 @@ namespace ChimeraTK {
     const T& get(const std::string& variableName) const;
 
    protected:
+    /** Helper function to avoid code duplication in constructors **/
+    void construct(const std::string& fileName);
+
     /** File name */
     std::string _fileName;
 

Modules/src/ConfigReader.cc

@@ -240,10 +240,25 @@ namespace ChimeraTK {
 
   /*********************************************************************************************************************/
 
+  ConfigReader::ConfigReader(EntityOwner* owner, const std::string& name, const std::string& fileName,
+      HierarchyModifier hierarchyModifier, const std::unordered_set<std::string>& tags)
+  : ApplicationModule(owner, name, "Configuration read from file '" + fileName + "'", hierarchyModifier, tags),
+    _fileName(fileName), _moduleList(std::make_unique<ModuleList>(this)) {
+    construct(fileName);
+  }
+
+  /*********************************************************************************************************************/
+
   ConfigReader::ConfigReader(EntityOwner* owner, const std::string& name, const std::string& fileName,
       const std::unordered_set<std::string>& tags)
-  : ApplicationModule(owner, name, "Configuration read from file '" + fileName + "'", false, tags), _fileName(fileName),
-    _moduleList(std::make_unique<ModuleList>(this)) {
+  : ApplicationModule(owner, name, "Configuration read from file '" + fileName + "'", HierarchyModifier::none, tags),
+    _fileName(fileName), _moduleList(std::make_unique<ModuleList>(this)) {
+    construct(fileName);
+  }
+
+  /*********************************************************************************************************************/
+
+  void ConfigReader::construct(const std::string& fileName) {
     auto fillVariableMap = [this](const Variable& var) {
       bool processed{false};
       boost::fusion::for_each(variableMap.table, FunctorFill(this, var.type, var.name, var.value, processed));