+++ /dev/null
-(* Copyright (C) 2004-2005, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://helm.cs.unibo.it/
- *)
-
-val absolute_path: string -> string
-
- (** @return true if file is a (textual) proof script *)
-val is_proof_script: string -> bool
-
- (** @return true if file is a (binary) proof object *)
-val is_proof_object: string -> bool
-
- (** given a phrase, if it doesn't end with BuildTimeConf.phrase_sep, append
- * it *)
-val append_phrase_sep: string -> string
-
-val normalize_dir: string -> string (** add trailing "/" if missing *)
-val strip_suffix: suffix:string -> string -> string
-
- (** @return tl tail of a list starting at a given element
- * @param eq equality to be used, defaults to physical equality (==)
- * @raise Not_found *)
-val list_tl_at: ?equality:('a -> 'a -> bool) -> 'a -> 'a list -> 'a list
-
-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)
-
- (** given the base name of an image, returns its full path *)
-val image_path: string -> string