X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fgetter%2Fhttp_getter_misc.ml;h=b7b52bbf64309da80028b1b5cfd47fff7c31c615;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=289ebad9af9f22b477e5d6f8d25a7a57c1386b20;hpb=40df57df40c0e62b8c6dcf23818b7bad3e83c9cc;p=helm.git

diff --git a/helm/ocaml/getter/http_getter_misc.ml b/helm/ocaml/getter/http_getter_misc.ml
index 289ebad9a..b7b52bbf6 100644
--- a/helm/ocaml/getter/http_getter_misc.ml
+++ b/helm/ocaml/getter/http_getter_misc.ml
@@ -61,6 +61,19 @@ let fold_file f init fname =
 
 let iter_file f = fold_file (fun line _ -> f line) ()
 
+let iter_buf_size = 10240
+
+let iter_file_data f fname =
+  let ic = open_in fname in
+  let buf = String.create iter_buf_size in
+  try
+    while true do
+      let bytes = input ic buf 0 iter_buf_size in
+      if bytes = 0 then raise End_of_file;
+      f (String.sub buf 0 bytes)
+    done
+  with End_of_file -> close_in ic
+
 let hashtbl_sorted_fold f tbl init =
   let sorted_keys =
     List.sort compare (Hashtbl.fold (fun key _ keys -> key::keys) tbl [])
@@ -163,7 +176,6 @@ let gunzip ?(keep = false) ?output fname =
   begin
     try
       let ic = Gzip.open_in_chan zic in
-      Http_getter_logger.log (sprintf "LUCA: OK" );
       let oc = open_out output in
       let buf = String.create bufsiz in
       (try
@@ -246,3 +258,56 @@ let is_blank_line =
   fun line ->
     Pcre.pmatch ~rex:blank_line_RE line
 
+let normalize_dir s =  (* append "/" if missing *)
+  let len = String.length s in
+  try
+    if s.[len - 1] = '/' then s
+    else s ^ "/"
+  with Invalid_argument _ -> (* string is empty *) "/"
+
+let strip_trailing_slash s =
+  try
+    let len = String.length s in
+    if s.[len - 1] = '/' then String.sub s 0 (len - 1)
+    else s
+  with Invalid_argument _ -> s
+
+let strip_suffix ~suffix s =
+  try
+    let s_len = String.length s in
+    let suffix_len = String.length suffix in
+    let suffix_sub = String.sub s (s_len - suffix_len) suffix_len in
+    if suffix_sub <> suffix then raise (Invalid_argument "");
+    String.sub s 0 (s_len - suffix_len)
+  with Invalid_argument _ ->
+    raise (Invalid_argument "Http_getter_misc.strip_suffix")
+
+let rec list_uniq = function 
+  | [] -> []
+  | h::[] -> [h]
+  | h1::h2::tl when h1 = h2 -> list_uniq (h2 :: tl) 
+  | h1::tl (* when h1 <> h2 *) -> h1 :: list_uniq tl
+
+let extension s =
+  try
+    let idx = String.rindex s '.' in
+    String.sub s idx (String.length s - idx)
+  with Not_found -> ""
+
+let temp_file_of_uri uri =
+  let flat_string s s' c =
+    let cs = String.copy s in
+    for i = 0 to (String.length s) - 1 do
+      if String.contains s' s.[i] then cs.[i] <- c
+    done;
+    cs
+  in
+  let user = try Unix.getlogin () with _ -> "" in
+  Filename.open_temp_file (user ^ flat_string uri ".-=:;!?/&" '_') ""
+
+let backtick cmd =
+  let ic = Unix.open_process_in cmd in
+  let res = input_line ic in
+  ignore (Unix.close_process_in ic);
+  res
+