Import XML file using Erlsom SAX parser

stackoverflow_importer_ser.erl

handle_call({import, FilePath}, _From, State) ->
    {ok, Handle} = file:open(FilePath, [read, raw, binary]),
    Position = 0,
    Chunk = 1024,
    CState = {Handle, Position, Chunk},
    {ok, _Result, _TrailingBytes} = 
    erlsom:parse_sax(
        <<>>,
        undefined,
        fun(Event, _Acc) -> sax_event(Event) end,
        [{continuation_function, fun continue_file/2, CState}]
    ),
    file:close(Handle),
    Reply = ok,
    {reply, Reply, State}.