ocaml 3.09 transition

[helm.git] / helm / matita / matitaMisc.mli

diff --git a/helm/matita/matitaMisc.mli b/helm/matita/matitaMisc.mli
index 7a9ac0fc6f13aea57b535197b2302a88ce9c3abd..a04258aee771bb6e63898a9d3fb3d279d2c7e978 100644 (file)
--- 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
@@ -23,10 +23,22 @@
  * 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_baseuri_decl:
+  ('a, 'b, 'c, 'd, 'e) GrafiteAst.statement -> string option
 
-val input_file: string -> string  (** read all the contents of file to string *)
+  (** 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
@@ -38,5 +50,44 @@ val is_proof_object: 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
+
+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
+val obj_file_of_baseuri: string -> string