docs: private URI handleLocalDita(final URI href, final AttributesImpl atts) {
          final URI attValue = href;
          final int sharpIndex = attValue.toString().indexOf(SHARP);
          URI pathFromMap;
          URI retAttValue;
          if (sharpIndex != -1) { // href value refer to an id in a topic
              if (sharpIndex == 0) {
                  pathFromMap = toURI(filePath);
              } else {
                  pathFromMap = toURI(filePath).resolve(attValue.toString().substring(0, sharpIndex));
              }
              XMLUtils.addOrSetAttribute(atts, ATTRIBUTE_NAME_OHREF, toURI(pathFromMap + attValue.toString().substring(sharpIndex)).toString());
              final String topicID = getTopicID(attValue.getFragment());
              final int index = attValue.toString().indexOf(SLASH, sharpIndex);
              final String elementId = index != -1 ? attValue.toString().substring(index) : "";
              final URI pathWithTopicID = setFragment(dirPath.toURI().resolve(pathFromMap), topicID);
              if (util.findId(pathWithTopicID)) {// topicId found
                  retAttValue = toURI(SHARP + util.getIdValue(pathWithTopicID) + elementId);
              } else {// topicId not found
                  retAttValue = toURI(SHARP + util.addId(pathWithTopicID) + elementId);
              }
          } else { // href value refer to a topic
              pathFromMap = toURI(filePath).resolve(attValue.toString());
              URI absolutePath = dirPath.toURI().resolve(pathFromMap);
              XMLUtils.addOrSetAttribute(atts, ATTRIBUTE_NAME_OHREF, pathFromMap.toString());
              if (util.findId(absolutePath)) {
                  retAttValue = toURI(SHARP + util.getIdValue(absolutePath));
              } else {
                  final String fileId = util.getFirstTopicId(absolutePath, false);
                  final URI key = setFragment(absolutePath, fileId);
                  if (util.findId(key)) {
                      util.addId(absolutePath, util.getIdValue(key));
                      retAttValue = toURI(SHARP + util.getIdValue(key));
                  } else {
                      retAttValue = toURI(SHARP + util.addId(absolutePath));
                      util.addId(key, util.getIdValue(absolutePath));
                  }
  
              }
          }
          return retAttValue;
      }