49 lines
1.9 KiB
OCaml
49 lines
1.9 KiB
OCaml
(***********************************************************************)
|
|
(* *)
|
|
(* MLTk, Tcl/Tk interface of Objective Caml *)
|
|
(* *)
|
|
(* Francois Rouaix, Francois Pessaux, Jun Furuse and Pierre Weis *)
|
|
(* projet Cristal, INRIA Rocquencourt *)
|
|
(* Jacques Garrigue, Kyoto University RIMS *)
|
|
(* *)
|
|
(* Copyright 2002 Institut National de Recherche en Informatique et *)
|
|
(* en Automatique and Kyoto University. All rights reserved. *)
|
|
(* This file is distributed under the terms of the GNU Library *)
|
|
(* General Public License, with the special exception on linking *)
|
|
(* described in file LICENSE found in the Objective Caml source tree. *)
|
|
(* *)
|
|
(***********************************************************************)
|
|
|
|
(* $Id$ *)
|
|
|
|
(* Parsing results of Tcl *)
|
|
(* List.split a string according to char_sep predicate *)
|
|
let split_str ~pred:char_sep str =
|
|
let len = String.length str in
|
|
let rec skip_sep cur =
|
|
if cur >= len then cur
|
|
else if char_sep str.[cur] then skip_sep (succ cur)
|
|
else cur in
|
|
let rec split beg cur =
|
|
if cur >= len then
|
|
if beg = cur then []
|
|
else [String.sub str beg (len - beg)]
|
|
else if char_sep str.[cur]
|
|
then
|
|
let nextw = skip_sep cur in
|
|
(String.sub str beg (cur - beg))
|
|
::(split nextw nextw)
|
|
else split beg (succ cur) in
|
|
let wstart = skip_sep 0 in
|
|
split wstart wstart
|
|
|
|
(* Very easy hack for option type *)
|
|
let may f = function
|
|
Some x -> Some (f x)
|
|
| None -> None
|
|
|
|
let maycons f x l =
|
|
match x with
|
|
Some x -> f x :: l
|
|
| None -> l
|