From: Stefano Zacchiroli <zack@upsilon.cc>
Date: Fri, 27 Dec 2002 08:57:24 +0000 (+0000)
Subject: - moved wget, gzip, gunzip, tempfile from Http_getter_common to
X-Git-Tag: v0_3_99~110
X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=commitdiff_plain;h=d599c257fed6a37da72494676ed24315a6d8b2fb

- moved wget, gzip, gunzip, tempfile from Http_getter_common to
  Http_getter_misc
- added Unix.process_status pretty printer to Http_getter_misc
---

diff --git a/helm/http_getter/http_getter_common.ml b/helm/http_getter/http_getter_common.ml
index c076c2e70..fc3867128 100644
--- a/helm/http_getter/http_getter_common.ml
+++ b/helm/http_getter/http_getter_common.ml
@@ -110,42 +110,3 @@ let return_file ~fname ?contype ?contenc ?(patch_fun = fun x -> x) outchan =
     fname
 let return_400 body outchan = Http_daemon.respond_error ~code:400 ~body outchan
 
-let wget ?output url =
-  let flags =
-    (match output with Some file -> ["-O"; file] | None -> []) @ [url]
-  in
-  Shell.call
-    ~stdout:Shell.to_dev_null ~stderr:Shell.to_dev_null
-    [Shell.cmd "wget" flags]
-
-  (* TODO gzip and gunzip create executables file, but umask seems to be
-  correctly inherited from the shell .... boh *)
-
-  (* stderr shown as usual *)
-let gzip ?(keep = false) fname =
-  if keep then  (* keep original file *)
-    Shell.call
-      ~stdout:(Shell.to_file (fname ^ ".gz"))
-      [Shell.cmd "gzip" ["-f"; "-c"; fname]]
-  else  (* don't keep original file *)
-    Shell.call [Shell.cmd "gzip" ["-f"; fname]]
-
-  (* stderr shown as usual *)
-let gunzip ?(keep = false) fname =
-  if not (Pcre.pmatch ~pat:"\\.gz$" fname) then
-    failwith "gunzip: source file doesn't end with '.gz'";
-  let basename = Pcre.replace ~pat:"\\.gz$" fname in
-  if keep then  (* keep original file *)
-    Shell.call
-      ~stdout:(Shell.to_file basename)
-      [Shell.cmd "gunzip" ["-f"; "-c"; fname]]
-  else  (* don't keep original file *)
-    Shell.call [Shell.cmd "gunzip" ["-f"; fname]]
-
-let tempfile () =
-  let buf = Buffer.create 28 in (* strlen("/tmp/fileSzb3Mw_http_getter") *)
-  Shell.call
-    ~stdout:(Shell.to_buffer buf)
-    [Shell.cmd "tempfile" ["--suffix=_http_getter"]];
-  Pcre.replace ~pat:"\n" (Buffer.contents buf)
-
diff --git a/helm/http_getter/http_getter_common.mli b/helm/http_getter/http_getter_common.mli
index 63c37ea01..ea321159e 100644
--- a/helm/http_getter/http_getter_common.mli
+++ b/helm/http_getter/http_getter_common.mli
@@ -57,8 +57,3 @@ val return_file:
   out_channel ->
     unit
 
-val wget: ?output: string -> string -> unit
-val gzip: ?keep: bool -> string -> unit
-val gunzip: ?keep: bool -> string -> unit
-val tempfile: unit -> string
-
diff --git a/helm/http_getter/http_getter_misc.ml b/helm/http_getter/http_getter_misc.ml
index d40fbf4f6..1bd552213 100644
--- a/helm/http_getter/http_getter_misc.ml
+++ b/helm/http_getter/http_getter_misc.ml
@@ -24,6 +24,8 @@
  *  http://cs.unibo.it/helm/.
  *)
 
+open Printf;;
+
 let fold_file f init fname =
   let inchan = open_in fname in
   let rec fold_lines' value =
@@ -43,3 +45,47 @@ let hashtbl_sorted_fold f tbl init =
   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
+  Shell.call
+    ~stdout:Shell.to_dev_null ~stderr:Shell.to_dev_null
+    [Shell.cmd "wget" flags]
+
+  (* TODO gzip and gunzip create executables file, but umask seems to be
+  correctly inherited from the shell .... boh *)
+
+  (* stderr shown as usual *)
+let gzip ?(keep = false) fname =
+  if keep then  (* keep original file *)
+    Shell.call
+      ~stdout:(Shell.to_file (fname ^ ".gz"))
+      [Shell.cmd "gzip" ["-f"; "-c"; fname]]
+  else  (* don't keep original file *)
+    Shell.call [Shell.cmd "gzip" ["-f"; fname]]
+
+  (* stderr shown as usual *)
+let gunzip ?(keep = false) fname =
+  if not (Pcre.pmatch ~pat:"\\.gz$" fname) then
+    failwith "gunzip: source file doesn't end with '.gz'";
+  let basename = Pcre.replace ~pat:"\\.gz$" fname in
+  if keep then  (* keep original file *)
+    Shell.call
+      ~stdout:(Shell.to_file basename)
+      [Shell.cmd "gunzip" ["-f"; "-c"; fname]]
+  else  (* don't keep original file *)
+    Shell.call [Shell.cmd "gunzip" ["-f"; fname]]
+
+let tempfile () =
+  let buf = Buffer.create 28 in (* strlen("/tmp/fileSzb3Mw_http_getter") *)
+  Shell.call
+    ~stdout:(Shell.to_buffer buf)
+    [Shell.cmd "tempfile" ["--suffix=_http_getter"]];
+  Pcre.replace ~pat:"\n" (Buffer.contents buf)
+
+let string_of_proc_status = function
+  | Unix.WEXITED code -> sprintf "[Exited: %d]" code
+  | Unix.WSIGNALED sg -> sprintf "[Killed: %d]" sg
+  | Unix.WSTOPPED sg -> sprintf "[Stopped: %d]" sg
+
diff --git a/helm/http_getter/http_getter_misc.mli b/helm/http_getter/http_getter_misc.mli
index c1afb198f..bb99827de 100644
--- a/helm/http_getter/http_getter_misc.mli
+++ b/helm/http_getter/http_getter_misc.mli
@@ -31,3 +31,10 @@ val iter_file : (string -> unit) -> string -> unit
 val hashtbl_sorted_fold :
   ('a -> 'b -> 'c -> 'c) -> ('a, 'b) Hashtbl.t -> 'c -> 'c
 
+val wget: ?output: string -> string -> unit
+val gzip: ?keep: bool -> string -> unit
+val gunzip: ?keep: bool -> string -> unit
+val tempfile: unit -> string
+
+val string_of_proc_status : Unix.process_status -> string
+