X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fextlib%2FhExtlib.mli;h=20e6c0192dcac84defb6613cb87ae31aca216c58;hb=1b70a1f66be53f76e475383e86d63c2b5c1fbcaa;hp=8de41f6837df4a067bab010438a8731a81d35b88;hpb=ee2b6c8f1493990ee86faba0739389d9f270a69b;p=helm.git

diff --git a/helm/software/components/extlib/hExtlib.mli b/helm/software/components/extlib/hExtlib.mli
index 8de41f683..20e6c0192 100644
--- a/helm/software/components/extlib/hExtlib.mli
+++ b/helm/software/components/extlib/hExtlib.mli
@@ -32,18 +32,27 @@ val unopt: 'a option -> 'a  (** @raise Failure *)
 (** {2 Filesystem} *)
 
 val is_dir: string -> bool  (** @return true if file is a directory *)
+val writable_dir: string -> bool  (** @return true if the directory is writable *)
 val is_regular: string -> bool  (** @return true if file is a regular file *)
+val is_executable: string -> bool  (** @return true if file is executable *)
 val mkdir: string -> unit (** create dir and parents. @raise Failure *)
 val tilde_expand: string -> string  (** bash-like (head) tilde expansion *)
 val safe_remove: string -> unit (** removes a file if it exists *)
 val safe_rmdir: string -> unit (** removes a dir if it exists and is empty *)
 val is_dir_empty: string -> bool (** checks if the dir is empty *)
 val rmdir_descend: string -> unit (** rmdir -p *)
+val chmod: int -> string -> unit (** chmod *)
+val normalize_path: string -> string (** /foo/./bar/..//baz -> /foo/baz *)
 
   (** find all _files_ whose name matches test under a filesystem root.
    * Test is passed the filename path relative to the given filesystem root *)
 val find: ?test:(string -> bool) -> string -> string list 
 
+  (** find_in paths name returns the first path^"/"^name such that 
+   *  is a regular file and the current user can 'stat' it. 
+   *  May raise (Failure "find_in") *)
+val find_in: string list -> string -> string
+
 (** {2 File I/O} *)
 
 val input_file: string -> string  (** read all the contents of file to string *)
@@ -75,16 +84,46 @@ val trim_blanks: string -> string (** strip heading and trailing blanks *)
 val list_uniq: 
   ?eq:('a->'a->bool) -> 'a list -> 'a list (** uniq unix filter on lists *)
 val filter_map: ('a -> 'b option) -> 'a list -> 'b list (** filter + map *)
+val list_rev_map_filter: ('a -> 'b option) -> 'a list -> 'b list
+val list_rev_map_filter_fold: ('c -> 'a -> 'c * 'b option) -> 'c -> 'a list -> 'c * 'b list
 val list_concat: ?sep:'a list -> 'a list list -> 'a list (**String.concat-like*)
-val list_findopt: ('a -> 'b option) -> 'a list -> 'b option
+val list_iter_sep: sep:(unit -> unit) -> ('a -> unit) -> 'a list -> unit
+val list_findopt: ('a -> int -> 'b option) -> 'a list -> 'b option
 val flatten_map: ('a -> 'b list) -> 'a list -> 'b list
+val list_last: 'a list -> 'a
+val list_mapi: ('a -> int -> 'b) -> 'a list -> 'b list
+(* Finds the zero based index of the first element that satisfies a predicate*)
+val list_index: ('a -> bool) -> 'a list -> (int * 'a) option
+val sharing_map: ('a -> 'a) -> 'a list -> 'a list
+(* Iters in parallel on two lists until the first list is empty.
+   The second one can be shorter and is padded with a default value.
+   This function cannot fail. *)
+val list_iter_default2: ('a -> 'b -> unit) -> 'a list -> 'b -> 'b list -> unit
+(* Checks a predicate in parallel on three lists, the first two having the same
+   length (otherwise it raises Invalid_argument). It stops when the first two
+   lists are empty. The third one can be shorter and is padded with a default value. *)
+val list_forall_default3: ('a -> 'b -> 'c -> bool) -> 'a list -> 'b list -> 'c -> 'c list -> bool
+val list_forall_default3_var: ('a -> 'b -> 'c -> bool) -> 'a list -> 'b list -> 'c -> 'c list -> bool
+
+exception FailureAt of int
 
   (** split_nth n l
    * @returns two list, the first contains at least n elements, the second the
-   * remaining one
+   * remaining ones
    * @raise Failure when List.length l < n *)
 val split_nth: int -> 'a list -> 'a list * 'a list
 
+ (** skip [n] [l] skips the first n elements of l *)
+val list_skip : int -> 'a list -> 'a list
+
+val mk_list: 'a -> int -> 'a list
+
+(* makes the list [start; ...; stop - 1] *)
+val list_seq: int -> int -> int list
+
+(* like List.assoc but returns all bindings *)
+val list_assoc_all: 'a -> ('a * 'b) list -> 'b list
+
 (** {2 Debugging & Profiling} *)
 
 type profiler = { profile : 'a 'b. ('a -> 'b) -> 'a -> 'b }
@@ -96,15 +135,26 @@ val set_profiling_printings : (string -> bool) -> unit
 
 (** {2 Localized exceptions } *)
 
-exception Localized of Token.flocation * exn
+exception Localized of Stdpp.location * exn
 
-val loc_of_floc: Token.flocation -> int * int
-val floc_of_loc: int * int -> Token.flocation
+val loc_of_floc: Stdpp.location -> int * int
+val floc_of_loc: int * int -> Stdpp.location
 
-val dummy_floc: Lexing.position * Lexing.position
+val dummy_floc: Stdpp.location
 
-val raise_localized_exception: offset:int -> Token.flocation -> exn -> 'a
+val raise_localized_exception: offset:int -> Stdpp.location -> exn -> 'a
 
 (* size in KB (SLOW) *)
 val estimate_size: 'a -> int
 
+(* is_prefix_of [prefix] [string], in terms of dirs:
+ * foo/bar/ is prefix of foo/bar/baz 
+ * foo/bar  is prefix of foo/bar/baz 
+ * foo/b    isn't of     foo/bar/baz
+ * foo/bar  is prefix of foo/bar 
+ *)
+val is_prefix_of: string -> string -> bool
+val chop_prefix: string -> string -> string
+val touch: string -> unit
+
+val profiling_enabled: bool ref