let main () =
let () = Options.parse () in
let doc =
- let fd = open_in !Options.input_file in
+ let fd, close_fd = match !Options.input_file with
+ None -> stdin, ignore
+ | Some input ->
+ let fd = open_in input in fd, fun () -> close_in fd
+ in
let d = time Naive_tree.load_xml_file fd "parsing xml document" in
- close_in fd; d
+ close_fd (); d
in
let query =
time
with
Arg.Bad msg -> eprintf "Error: %s\n%!" msg; Options.usage (); exit 1
| Sys_error msg -> eprintf "Error: %s\n%!" msg; exit 2
- | Tree.Parse_error msg -> eprintf "Error: file %s, %s\n%!" !Options.input_file msg; exit 3
+ | Tree.Parse_error msg ->
+ eprintf "Error: %s, %s\n%!"
+ (match !Options.input_file with
+ Some s -> ("file " ^ s)
+ | None -> "[stdin]") msg; exit 3
| Xpath.Ulexer.Error (s, e, msg) -> eprintf "Error: character %i-%i: %s\n%!" s e msg; exit 4
| e -> eprintf "FATAL ERROR: %s\n%!" (Printexc.to_string e); exit 128