-(* 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/
*)
+(** removes a file if it exists *)
+val safe_remove: string -> unit
+
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 append_phrase_sep: string -> string
val strip_trailing_blanks: string -> string
+val strip_trailing_slash: string -> string
+
+val list_uniq: 'a list -> 'a list (* uniq unix filter on lists *)
+
+ (** @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: Gdome.element
+val empty_mathml: unit -> Gdome.document
+val empty_boxml: unit -> Gdome.document
exception 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
* first time it gets called. Next invocation will return first value *)
val singleton: (unit -> 'a) -> (unit -> 'a)
- (** create a list of directories, building also parents as needed *)
-val mkdirs: string list -> unit
+ (** 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
+
+ (** given the base name of an image, returns its full path *)
+val image_path: string -> string
+val obj_file_of_script: string -> string
- (** {2 db handling} *)
-val dbd_instance: unit -> Mysql.dbd
+ (** invoke a given function and return its value; in addition il will print
+ * the given string before invoking it and "/" ^ the given string afterwards.
+ * This permit tracing of functions which does not return a value *)
+val debug_wrap: string -> (unit -> 'a) -> 'a