ocaml 3.09 transition

[helm.git] / helm / matita / matitaMisc.ml

diff --git a/helm/matita/matitaMisc.ml b/helm/matita/matitaMisc.ml
index c0277ea46c8c62d89872ea59c1998603f8eb2e9b..e311973c9cc362c726d503839154c2efee644c0b 100644 (file)
--- a/helm/matita/matitaMisc.ml
+++ b/helm/matita/matitaMisc.ml
@@ -26,31 +26,49 @@
 open Printf
 open MatitaTypes 
 
-let safe_remove fname = if Sys.file_exists fname then Sys.remove fname
+(** Functions "imported" from Http_getter_misc *)
 
-let is_dir fname =
-  try
-    (Unix.stat fname).Unix.st_kind = Unix.S_DIR
-  with Unix.Unix_error _ -> false
+let strip_trailing_slash = Http_getter_misc.strip_trailing_slash
+let normalize_dir = Http_getter_misc.normalize_dir
+let strip_suffix = Http_getter_misc.strip_suffix
 
-let is_regular fname =
-  try
-    (Unix.stat fname).Unix.st_kind = Unix.S_REG
-  with Unix.Unix_error _ -> false
+let baseuri_of_baseuri_decl st =
+  match st with
+  | GrafiteAst.Executable (_, GrafiteAst.Command (_, GrafiteAst.Set (_, "baseuri", buri))) ->
+      Some buri
+  | _ -> None
 
-let input_file fname =
-  let size = (Unix.stat fname).Unix.st_size in
-  let buf = Buffer.create size in
-  let ic = open_in fname in
-  Buffer.add_channel buf ic size;
-  close_in ic;
-  Buffer.contents buf
+let is_empty buri =
+ List.for_all
+  (function
+      Http_getter_types.Ls_section _ -> true
+    | Http_getter_types.Ls_object _ -> false)
+  (Http_getter.ls (Http_getter_misc.strip_trailing_slash buri ^ "/"))
 
-let output_file data file = 
-  let oc = open_out file in
-  output_string oc data;
-  close_out oc
+let safe_remove fname = if Sys.file_exists fname then Sys.remove fname
 
+let is_dir_empty d =
+  try 
+    let od = Unix.opendir d in
+    try 
+      ignore (Unix.readdir od);
+      ignore (Unix.readdir od);
+      ignore (Unix.readdir od);
+      Unix.closedir od;
+      false
+    with End_of_file -> 
+      Unix.closedir od;
+      true
+  with Unix.Unix_error _ -> true
+
+let safe_rmdir d = try Unix.rmdir d with Unix.Unix_error _ -> ()
+
+let rec rmdir_descend d = 
+  if is_dir_empty d then
+    begin
+      safe_rmdir d;
+      rmdir_descend (Filename.dirname d)
+    end
 
 let absolute_path file =
   if file.[0] = '/' then file else Unix.getcwd () ^ "/" ^ file
@@ -64,22 +82,6 @@ let append_phrase_sep s =
   else
     s
 
-let strip_trailing_blanks =
-  let rex = Pcre.regexp "\\s*$" in
-  fun s -> Pcre.replace ~rex s
-
-let strip_trailing_slash =
-  let rex = Pcre.regexp "/$" in
-  fun s -> Pcre.replace ~rex s
-
-let empty_mathml () =
-  DomMisc.domImpl#createDocument ~namespaceURI:(Some DomMisc.mathml_ns)
-    ~qualifiedName:(Gdome.domString "math") ~doctype:None
-
-let empty_boxml () =
-  DomMisc.domImpl#createDocument ~namespaceURI:(Some DomMisc.boxml_ns) 
-    ~qualifiedName:(Gdome.domString "box") ~doctype:None
-
 exception History_failure
 
 type 'a memento = 'a array * int * int * int  (* data, hd, tl, cur *)
@@ -174,53 +176,23 @@ let singleton f =
   let instance = lazy (f ()) in
   fun () -> Lazy.force instance
 
-let mkdir d =
-  let errmsg = sprintf "Unable to create directory \"%s\"" d in
-  try
-    (match Unix.system ("mkdir -p " ^ d) with
-    | Unix.WEXITED 0 -> ()
-    | _ -> failwith errmsg)
-  with Unix.Unix_error _ -> failwith errmsg
-
-let get_proof_status status =
-  match status.proof_status with
-  | Incomplete_proof s -> s
-  | _ -> statement_error "no ongoing proof"
-
-let get_proof_metasenv status =
-  match status.proof_status with
-  | No_proof -> []
-  | Incomplete_proof ((_, metasenv, _, _), _) -> metasenv
-  | Proof (_, metasenv, _, _) -> metasenv
-  | Intermediate m -> m
-
-let get_proof_context status =
-  match status.proof_status with
-  | Incomplete_proof ((_, metasenv, _, _), goal) ->
-      let (_, context, _) = CicUtil.lookup_meta goal metasenv in
-      context
-  | _ -> []
- 
-let get_proof_aliases status = status.aliases
-
-let qualify status name = get_string_option status "baseuri" ^ "/" ^ name
-
-let unopt = function None -> failwith "unopt: None" | Some v -> v
-
 let image_path n = sprintf "%s/%s" BuildTimeConf.images_dir n
 
 let end_ma_RE = Pcre.regexp "\\.ma$"
-let obj_file_of_script f = Pcre.replace ~rex:end_ma_RE ~templ:".moo" f
-
-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 debug_wrap name f =
-  prerr_endline (sprintf "debug_wrap: ==>> %s" name);
-  let res = f () in
-  prerr_endline (sprintf "debug_wrap: <<== %s" name);
-  res
+
+let obj_file_of_baseuri baseuri =
+ let path =
+  Helm_registry.get "matita.basedir" ^ "/xml" ^
+   Pcre.replace ~pat:"^cic:" ~templ:"" baseuri
+ in
+  path ^ ".moo"
+
+let list_tl_at ?(equality=(==)) e l =
+  let rec aux =
+    function
+    | [] -> raise Not_found
+    | hd :: tl as l when equality hd e -> l
+    | hd :: tl -> aux tl
+  in
+  aux l