added direct import to xml mapper

include/VariableMapper.h

@@ -62,6 +62,8 @@ namespace ChimeraTK{
 
     VariableMapper(VariableMapper &)=delete;
     void operator=(VariableMapper const &)=delete;
+
+    void directImport(std::set< std::string > inputVariables);
     
   protected:
     VariableMapper()=default;

src/VariableMapper.cc

@@ -167,6 +167,14 @@ namespace ChimeraTK{
     return output;
   }
 
+  void VariableMapper::directImport(std::set< std::string > inputVariables){
+    _inputVariables=inputVariables;
+    _locationDefaults.clear();
+    _globalDefaults = PropertyAttributes();
+    _inputSortedDescriptions.clear();
+
+    import("/",""); // import from /, create location names from first level of the tree
+  }
 
 } // namespace ChimeraTK
 

tests/src/testVariableMapper.cpp

@@ -109,6 +109,11 @@ BOOST_AUTO_TEST_CASE( testImportAll ){
                                                   });
   testXmlParsing("variableTreeXml/importAll.xml", propertyMap);
 
+  // test direct mapping without xml
+  VariableMapper & vm = VariableMapper::getInstance();
+  vm.directImport( generateInputVariables());
+  BOOST_CHECK( mapCompare( vm.getAllProperties(), propertyMap) );
+
   // modify the expected property map for the renaming case
   propertyMap["/DIRECT/DOUBLE"]= VariableMapper::PropertyDescription("DIRECT","BAR");
   propertyMap["/DIRECT/INT"]= VariableMapper::PropertyDescription("DIRECT","FOO");