-(* 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
* http://helm.cs.unibo.it/
*)
-val is_dir: string -> bool (** @return true if file is a directory *)
-val is_regular: string -> bool (** @return true if file is a regular file *)
+val baseuri_of_file : string -> string
-val input_file: string -> string (** read all the contents of file to string *)
+val baseuri_of_baseuri_decl:
+ ('a, 'b, 'c, 'd, 'e) GrafiteAst.statement -> string option
+
+ (** check whether no objects are defined below a given baseuri *)
+val is_empty: string -> bool
+
+(** removes a file if it exists *)
+val safe_remove: string -> unit
+(** removes a dir if it exists and is empty *)
+val safe_rmdir: string -> unit
+(** checks if the dir is empty *)
+val is_dir_empty: string -> bool
+(** removes a directory and recursively the father (if empty) *)
+val rmdir_descend: string -> unit
+
+val absolute_path: string -> string
(** @return true if file is a (textual) proof script *)
val is_proof_script: string -> bool
* it *)
val append_phrase_sep: string -> string
-val strip_trailing_blanks: string -> string
+val strip_trailing_slash: 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
+
+ (** 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)
+
+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_conclusion: MatitaTypes.status -> Cic.term
+
+ (** given the base name of an image, returns its full path *)
+val image_path: string -> string
+val obj_file_of_baseuri: string -> string
+val obj_file_of_script: string -> string