X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=helm%2Focaml%2Fextlib%2FhExtlib.mli;fp=helm%2Focaml%2Fextlib%2FhExtlib.mli;h=aed9b240693cdd4a9621984ddec60d1bbc4356b6;hp=0000000000000000000000000000000000000000;hb=792b5d29ebae8f917043d9dd226692919b5d6ca1;hpb=a14a8c7637fd0b95e9d4deccb20c6abc98e8f953 diff --git a/helm/ocaml/extlib/hExtlib.mli b/helm/ocaml/extlib/hExtlib.mli new file mode 100644 index 000000000..aed9b2406 --- /dev/null +++ b/helm/ocaml/extlib/hExtlib.mli @@ -0,0 +1,95 @@ +(* 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 is_regular: string -> bool (** @return true if file is a regular file *) +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 *) + + + (** find all _files_ matching test under a filesystem root *) +val find: ?test:(string -> bool) -> string -> string list + +(** {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} *) + +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_concat: ?sep:'a list -> 'a list list -> 'a list (**String.concat-like*) +val list_findopt: ('a -> 'b option) -> 'a list -> 'b option + +(** {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 : (unit -> bool) -> unit + +(** {2 Localized exceptions } *) + +exception Localized of Token.flocation * exn + +val loc_of_floc: Token.flocation -> int * int +val floc_of_loc: int * int -> Token.flocation + +val dummy_floc: Lexing.position * Lexing.position + +val raise_localized_exception: offset:int -> Token.flocation -> exn -> 'a