X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaMisc.mli;h=3731bd1a615204955dbade3806ed6d7e623f37f1;hb=7564f3a87499807bfc15bc488bd6452dc0392b62;hp=f8e8ee40c0c98d533fb996c83f366d8c9c5fe622;hpb=142d3076f2a4dc17d9045c2bba4d4b01eddfd008;p=helm.git

diff --git a/helm/matita/matitaMisc.mli b/helm/matita/matitaMisc.mli
index f8e8ee40c..3731bd1a6 100644
--- a/helm/matita/matitaMisc.mli
+++ b/helm/matita/matitaMisc.mli
@@ -1,4 +1,4 @@
-(* Copyright (C) 2004, HELM Team.
+(* Copyright (C) 2004-2005, HELM Team.
  * 
  * This file is part of HELM, an Hypertextual, Electronic
  * Library of Mathematics, developed at the Computer Science
@@ -38,3 +38,52 @@ val is_proof_object: string -> bool
   * it *)
 val append_phrase_sep: string -> string
 
+val strip_trailing_blanks: string -> string
+
+  (** @raise Failure *)
+val unopt: 'a option -> 'a
+
+  (** Gdome.element of a MathML document whose rendering should be blank. Used
+  * by cicBrowser to render "about:blank" document *)
+val empty_mathml: unit -> Gdome.document
+val empty_boxml: unit -> Gdome.document
+
+exception History_failure
+
+type 'a memento
+
+class type ['a] history =
+  object ('b)
+    method add : 'a -> unit
+    method next : 'a        (** @raise History_failure *)
+    method previous : 'a    (** @raise History_failure *)
+    method load: 'a memento -> unit
+    method save: 'a memento
+    method is_begin: bool 
+    method is_end: bool 
+  end
+
+  (** shell like history: new items added at the end of the history
+  * @param size maximum history size *)
+class shell_history : int -> [string] history
+
+  (** browser like history: new items added at the current point of the history
+  * @param size maximum history size
+  * @param first element in history (this history is never empty) *)
+class ['a] browser_history: ?memento:'a memento -> int -> 'a -> ['a] history
+
+  (** create a singleton from a given function. Given function is invoked the
+  * first time it gets called. Next invocation will return first value *)
+val singleton: (unit -> 'a) -> (unit -> 'a)
+
+  (** create a directory, building also parents if needed
+  * @raise Failure when unable to create some directory *)
+val mkdir: string -> unit
+
+val qualify: MatitaTypes.status -> string -> string
+
+val get_proof_status: MatitaTypes.status -> ProofEngineTypes.status
+val get_proof_metasenv: MatitaTypes.status ->  Cic.metasenv
+val get_proof_context: MatitaTypes.status -> Cic.context 
+val get_proof_aliases: MatitaTypes.status -> DisambiguateTypes.environment 
+