/** Get the file name which represents the archived file.*/
virtual std::string getArchiveFileName() const = 0;
/** return type of file. */
virtual FileType getFileType(const std::string& filename) const = 0;
/** return the contents of a directory.
* returns an empty array on any error.*/
virtual DirectoryContents getDirectoryContents(const std::string& dirName) const = 0;
Added implementations of these new methods into src/osgPlugins/osga/OSGA_Archive.h src/osgPlugins/osga/OSGA_Archive.cpp