(*********************************************************************************) |
(* Cameleon *)
(* *)
(* Copyright (C) 2005,2006 Institut National de Recherche en Informatique *)
(* et en Automatique. All rights reserved. *)
(* *)
(* This program is free software; you can redistribute it and/or modify *)
(* it under the terms of the GNU Library General Public License as *)
(* published by the Free Software Foundation; either version 2 of the *)
(* License, or any later version. *)
(* *)
(* This program 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 Library General Public License for more details. *)
(* *)
(* You should have received a copy of the GNU Library General Public *)
(* License along with this program; if not, write to the Free Software *)
(* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA *)
(* 02111-1307 USA *)
(* *)
(* Contact: Maxence.Guesdon@inria.fr *)
(* *)
(*********************************************************************************) |
(* $Id: cam_com_history.ml 334 2006-10-06 07:34:42Z zoggy $ *)
module O = Config_file
let history : string option array = Array.create Cam_constant.com_history_size None
let pos = ref 0
let n = ref 0
let history_option = new O.list_cp O.string_wrappers
~group: Cam_rc.core_ini ["commands_history"]
[]
""
let get () =
let rec iter acc nb_read i =
if nb_read >= !n then
acc
else
let pred_i =
if i <= 0 then
Cam_constant.com_history_size - 1
else
i - 1
in
match history.(pred_i) with
None -> acc
| Some e ->
iter (e::acc) (nb_read+1) pred_i
in
List.rev (iter [] 0 !pos)
let add e =
history.(!pos) <- Some e;
n := min (!n+1) Cam_constant.com_history_size ;
pos := (!pos + 1) mod Cam_constant.com_history_size;
history_option#set (get ());
Cam_rc.save_core ()
let init () =
List.iter add (List.rev history_option#get)