version 0.7.1

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

diff --git a/helm/matita/matitaMisc.ml b/helm/matita/matitaMisc.ml
index 07143db991bc4f84d9f1b62997ded1d1246e3f09..81f185ae83ef4e590e0409e603df1e851591e3ad 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
@@ -57,12 +59,16 @@ 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 () =
-  Misc.domImpl#createDocument ~namespaceURI:(Some Misc.mathml_ns)
+  DomMisc.domImpl#createDocument ~namespaceURI:(Some DomMisc.mathml_ns)
     ~qualifiedName:(Gdome.domString "math") ~doctype:None
 
 let empty_boxml () =
-  Misc.domImpl#createDocument ~namespaceURI:(Some Misc.boxml_ns) 
+  DomMisc.domImpl#createDocument ~namespaceURI:(Some DomMisc.boxml_ns) 
     ~qualifiedName:(Gdome.domString "box") ~doctype:None
 
 exception History_failure
@@ -187,8 +193,25 @@ 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
+