X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaMisc.ml;h=acaf2123c68690ef7edef457c8b326df963a5e98;hb=d2dd6522d73a234265bc4e9f973f975e351a993a;hp=e1c55feb204e02ca0e3c9354d9b1aa7eaa48c2b2;hpb=de4483296d06aac3df4da10d5401b1f97c4350ab;p=helm.git

diff --git a/helm/matita/matitaMisc.ml b/helm/matita/matitaMisc.ml
index e1c55feb2..acaf2123c 100644
--- a/helm/matita/matitaMisc.ml
+++ b/helm/matita/matitaMisc.ml
@@ -57,12 +57,16 @@ 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
@@ -139,12 +143,15 @@ class ['a] browser_history ?memento size init =
       if cur = size then cur <- 0;
       data.(cur)
     method add (e:'a) =
-      cur <- cur + 1;
-      if cur = size then cur <- 0;
-      if cur = tl then tl <- tl + 1;
-      if tl = size then tl <- 0;
-      hd <- cur;
-      data.(cur) <- e
+      if e <> data.(cur) then
+        begin
+          cur <- cur + 1;
+          if cur = size then cur <- 0;
+          if cur = tl then tl <- tl + 1;
+          if tl = size then tl <- 0;
+          hd <- cur;
+          data.(cur) <- e
+        end
     method load (data', hd', tl', cur') =
       assert (Array.length data = Array.length data');
       hd <- hd'; tl <- tl'; cur <- cur';
@@ -189,3 +196,20 @@ 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
+