(*
- * Copyright (C) 2000, HELM Team.
+ * Copyright (C) 2003, HELM Team.
*
* This file is part of HELM, an Hypertextual, Electronic
* Library of Mathematics, developed at the Computer Science
in
List.fold_left (fun acc k -> f k (Hashtbl.find tbl k) acc) init sorted_keys
-let wget ?output url =
- let flags =
- (match output with Some file -> ["-O"; file] | None -> []) @ [url]
- in
- debug_print ("wget " ^ String.concat " " flags);
+let cp src dst =
Shell.call
~stdout:Shell.to_dev_null ~stderr:Shell.to_dev_null
- [Shell.cmd "wget" flags]
+ [Shell.cmd "cp" [src; dst]]
+
+let file_scheme_RE = Pcre.regexp "^file://"
+let wget ?output url =
+ let use_wget () =
+ let flags =
+ (match output with Some file -> ["-O"; file] | None -> []) @ [url]
+ in
+ debug_print ("wget " ^ String.concat " " flags);
+ Shell.call
+ ~stdout:Shell.to_dev_null ~stderr:Shell.to_dev_null
+ [Shell.cmd "wget" flags]
+ in
+ if Pcre.pmatch ~rex:file_scheme_RE url then begin (* file:// URL *)
+ let src_fname = Pcre.replace ~rex:file_scheme_RE url in
+ match output with
+ | Some dst_fname -> cp src_fname dst_fname
+ | None ->
+ let dst_fname = Filename.basename src_fname in
+ if src_fname <> dst_fname then
+ cp src_fname dst_fname
+ else (* src and dst are the same: do nothing *)
+ ()
+ end else (* other URL, pass it to wget *)
+ use_wget ()
(* stderr shown as usual *)
let gzip ?(keep = false) fname =
| Unix.WSTOPPED sg -> sprintf "[Stopped: %d]" sg
let http_get url =
- try
- Some (Http_client.Convenience.http_get url)
- with Http_client.Http_error (code, _) -> None
+ if Pcre.pmatch ~rex:file_scheme_RE url then begin
+ (* file:// URL. Read data from file system *)
+ let fname = Pcre.replace ~rex:file_scheme_RE url in
+ try
+ let size = (Unix.stat fname).Unix.st_size in
+ let buf = String.create size in
+ let ic = open_in fname in
+ really_input ic buf 0 size;
+ close_in ic;
+ Some buf
+ with Unix.Unix_error (Unix.ENOENT, "stat", _) -> None
+ end else (* other URL, pass it to netclient *)
+ try
+ Some (Http_client.Convenience.http_get url)
+ with Http_client.Http_error (code, _) -> None