X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaMisc.ml;h=56cb4a29535f1734b5db12cc3c09410971be69ed;hb=5b32b7905bc78c11e353efd68137b8eb7b6ac73b;hp=c0277ea46c8c62d89872ea59c1998603f8eb2e9b;hpb=619a3a478a4f6b0a50782b620009f6a141c30a53;p=helm.git

diff --git a/helm/matita/matitaMisc.ml b/helm/matita/matitaMisc.ml
index c0277ea46..56cb4a295 100644
--- a/helm/matita/matitaMisc.ml
+++ b/helm/matita/matitaMisc.ml
@@ -26,6 +26,58 @@
 open Printf
 open MatitaTypes 
 
+(** Functions "imported" from Http_getter_misc *)
+
+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 baseuri_of_baseuri_decl st =
+  match st with
+  | GrafiteAst.Executable (_, GrafiteAst.Command (_, GrafiteAst.Set (_, "baseuri", buri))) ->
+      Some buri
+  | _ -> None
+
+let baseuri_of_file file = 
+  let uri = ref None in
+  let ic = open_in file in
+  let istream = Ulexing.from_utf8_channel ic in
+  (try
+    while true do
+      try 
+        let stm = GrafiteParser.parse_statement istream in
+        match baseuri_of_baseuri_decl stm with
+        | Some buri -> 
+            let u = strip_trailing_slash buri in
+            if String.length u < 5 || String.sub u 0 5 <> "cic:/" then
+              MatitaLog.error (file ^ " sets an incorrect baseuri: " ^ buri);
+            (try 
+              ignore(Http_getter.resolve u)
+            with
+            | Http_getter_types.Unresolvable_URI _ -> 
+                MatitaLog.error (file ^ " sets an unresolvable baseuri: "^buri)
+            | Http_getter_types.Key_not_found _ -> ());
+            uri := Some u;
+            raise End_of_file
+        | None -> ()
+      with
+        CicNotationParser.Parse_error _ as exn ->
+          prerr_endline ("Unable to parse: " ^ file);
+          prerr_endline (MatitaExcPp.to_string exn);
+          ()
+    done
+  with End_of_file -> close_in ic);
+  match !uri with
+  | Some uri -> uri
+  | None -> failwith ("No baseuri defined in " ^ file)
+
+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 safe_remove fname = if Sys.file_exists fname then Sys.remove fname
 
 let is_dir fname =
@@ -64,13 +116,39 @@ 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 mkdir path =
+  let components = Str.split (Str.regexp "/") path in
+  let rec aux where = function
+    | [] -> ()
+    | piece::tl -> 
+        let path = where ^ "/" ^ piece in
+        (try
+          Unix.mkdir path 0o755
+        with 
+        | Unix.Unix_error (Unix.EEXIST,_,_) -> ()
+        | Unix.Unix_error (e,_,_) -> 
+            raise 
+              (Failure 
+                ("Unix.mkdir " ^ path ^ " 0o755 :" ^ (Unix.error_message e))));
+        aux path tl
+  in
+  aux "" components
+
+let trim_blanks =
+  let rex = Pcre.regexp "^\\s*(.*?)\\s*$" in
+  fun s -> (Pcre.extract ~rex s).(1)
+
+let split ?(char = ' ') s =
+  let pieces = ref [] in
+  let rec aux idx =
+    match (try Some (String.index_from s idx char) with Not_found -> None) with
+    | Some pos ->
+        pieces := String.sub s idx (pos - idx) :: !pieces;
+        aux (pos + 1)
+    | None -> pieces := String.sub s idx (String.length s - idx) :: !pieces
+  in
+  aux 0;
+  List.rev !pieces
 
 let empty_mathml () =
   DomMisc.domImpl#createDocument ~namespaceURI:(Some DomMisc.mathml_ns)
@@ -174,14 +252,6 @@ 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
@@ -201,8 +271,13 @@ let get_proof_context status =
       context
   | _ -> []
  
-let get_proof_aliases status = status.aliases
-
+let get_proof_conclusion status =
+  match status.proof_status with
+  | Incomplete_proof ((_, metasenv, _, _), goal) ->
+      let (_, _, conclusion) = CicUtil.lookup_meta goal metasenv in
+      conclusion
+  | _ -> statement_error "no ongoing proof"
+ 
 let qualify status name = get_string_option status "baseuri" ^ "/" ^ name
 
 let unopt = function None -> failwith "unopt: None" | Some v -> v
@@ -210,7 +285,18 @@ 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 obj_file_of_baseuri baseuri =
+ let path =
+  Helm_registry.get "matita.basedir" ^ "/xml" ^
+   Pcre.replace ~pat:"^cic:" ~templ:"" baseuri
+ in
+  path ^ ".moo"
+
+let obj_file_of_script f =
+ if f = "coq.ma" then BuildTimeConf.coq_notation_script else
+  let baseuri = baseuri_of_file f in
+   obj_file_of_baseuri baseuri
 
 let rec list_uniq = function 
   | [] -> []
@@ -218,6 +304,15 @@ let rec list_uniq = function
   | h1::h2::tl when h1 = h2 -> list_uniq (h2 :: tl) 
   | h1::tl (* when h1 <> h2 *) -> h1 :: list_uniq tl
 
+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
+
 let debug_wrap name f =
   prerr_endline (sprintf "debug_wrap: ==>> %s" name);
   let res = f () in