Bug fix: undo now respects the locked area.

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

diff --git a/helm/matita/matitaMisc.ml b/helm/matita/matitaMisc.ml
index 73fdd4c54e2ef6a2c5bcc605ea593410f64549fa..c0277ea46c8c62d89872ea59c1998603f8eb2e9b 100644 (file)
--- a/helm/matita/matitaMisc.ml
+++ b/helm/matita/matitaMisc.ml
@@ -26,6 +26,8 @@
 open Printf
 open MatitaTypes 
 
+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 +46,15 @@ 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 *)
 
@@ -57,6 +68,10 @@ 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
@@ -187,10 +202,25 @@ let get_proof_context status =
   | _ -> []
  
 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
+