X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaMisc.ml;h=e3aadd5b5a616d143c17dd22ab71d25f7ac06626;hb=e6b28085c97ae7b9bd3f3262b105f6b84f42b047;hp=73fdd4c54e2ef6a2c5bcc605ea593410f64549fa;hpb=94c9255e1f3095440f4d49ea1d75443a5a343185;p=helm.git

diff --git a/helm/matita/matitaMisc.ml b/helm/matita/matitaMisc.ml
index 73fdd4c54..e3aadd5b5 100644
--- a/helm/matita/matitaMisc.ml
+++ b/helm/matita/matitaMisc.ml
@@ -26,6 +26,58 @@
 open Printf
 open MatitaTypes 
 
+let strip_trailing_slash =
+  let rex = Pcre.regexp "/$" in
+  fun s -> Pcre.replace ~rex s
+
+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 = Stream.of_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 =
   try
     (Unix.stat fname).Unix.st_kind = Unix.S_DIR
@@ -44,6 +96,15 @@ let input_file fname =
   close_in ic;
   Buffer.contents buf
 
+let output_file data file = 
+  let oc = open_out file in
+  output_string oc data;
+  close_out oc
+
+
+let absolute_path file =
+  if file.[0] = '/' then file else Unix.getcwd () ^ "/" ^ file
+  
 let is_proof_script fname = true  (** TODO Zack *)
 let is_proof_object fname = true  (** TODO Zack *)
 
@@ -53,10 +114,37 @@ let append_phrase_sep s =
   else
     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.error_message e)));
+        aux path tl
+  in
+  aux "" components
+
 let strip_trailing_blanks =
   let rex = Pcre.regexp "\\s*$" in
   fun s -> Pcre.replace ~rex s
 
+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)
     ~qualifiedName:(Gdome.domString "math") ~doctype:None
@@ -159,14 +247,6 @@ 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
@@ -186,11 +266,53 @@ let get_proof_context status =
       context
   | _ -> []
  
+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 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_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 
+  | [] -> []
+  | h::[] -> [h]
+  | 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
+  prerr_endline (sprintf "debug_wrap: <<== %s" name);
+  res
+