X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=components%2Fextlib%2FhExtlib.mli;fp=components%2Fextlib%2FhExtlib.mli;h=30a6f145f11e22b0ad371d728182971d80cb5892;hp=0000000000000000000000000000000000000000;hb=f61af501fb4608cc4fb062a0864c774e677f0d76;hpb=58ae1809c352e71e7b5530dc41e2bfc834e1aef1

diff --git a/components/extlib/hExtlib.mli b/components/extlib/hExtlib.mli
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+(* Copyright (C) 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/
+ *)
+
+(** {2 Optional values} *)
+
+val map_option: ('a -> 'b) -> 'a option -> 'b option
+val iter_option: ('a -> unit) -> 'a option -> unit
+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 *)
+val input_all: in_channel -> string (** read all the contents of a channel *)
+val output_file: filename:string -> text:string -> unit (** other way round *)
+
+(** {2 Exception handling} *)
+
+  (** @param finalizer finalization function (execution both in case of success
+   * and in case of raised exception
+   * @param f function to be invoked
+   * @param arg argument to be passed to function *)
+val finally: (unit -> unit) -> ('a -> 'b) -> 'a -> 'b
+
+(** {2 Char processing} *)
+
+val is_alpha: char -> bool
+val is_blank: char -> bool
+val is_digit: char -> bool
+val is_alphanum: char -> bool (** is_alpha || is_digit *)
+
+(** {2 String processing} *)
+
+val split: ?sep:char -> string -> string list (** @param sep defaults to ' ' *)
+val trim_blanks: string -> string (** strip heading and trailing blanks *)
+
+(** {2 List processing} *)
+
+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 flatten_map: ('a -> 'b list) -> 'a list -> 'b list
+val list_last: 'a list -> 'a
+
+  (** split_nth n l
+   * @returns two list, the first contains at least n elements, the second the
+   * remaining one
+   * @raise Failure when List.length l < n *)
+val split_nth: int -> 'a list -> 'a list * 'a list
+
+(** {2 Debugging & Profiling} *)
+
+type profiler = { profile : 'a 'b. ('a -> 'b) -> 'a -> 'b }
+
+  (** @return a profiling function; [s] is used for labelling the total time at
+   * the end of the execution *)
+val profile : ?enable:bool -> string -> profiler
+val set_profiling_printings : (string -> bool) -> unit
+
+(** {2 Localized exceptions } *)
+
+exception Localized of Stdpp.location * exn
+
+val loc_of_floc: Stdpp.location -> int * int
+val floc_of_loc: int * int -> Stdpp.location
+
+val dummy_floc: Stdpp.location
+
+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