final String nsVersionPath = hdrFile.getParent();
String nsIdxLoc = asPath(nsVersionPath, "namespace.index");
Indexer namespaceIndexer = new Indexer();
namespaceIndexer.indexNamespaceFile(characterStopOffset,
rawNamespaceFile,
nsIdxLoc);
return new DataFileIndex(resourceLocation, nsIdxLoc, hdrFile);
}