__init__ (
        self,
        header_parser,
        make_header_reader,
        header_args,
        record_parser,
        make_record_reader,
        record_args,
        footer_parser,
        make_footer_reader,
        footer_args,
        marker_tag,
        )

iterate (
        self,
        source,
        cont_handler=None,
        )

iterateFile (
        self,
        fileobj,
        cont_handler=None,
        )

iterateString (
        self,
        s,
        cont_handler=None,
        )