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(* arch-tag: String utilities main file
Copyright (C) 2004 John Goerzen <jgoerzen@complete.org>
This program 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.
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 General Public License for more details.
You should have received a copy of the GNU 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
*)
open Composeoper;;
let wschars = [' '; '\t'; '\r'; '\n'];;
let wsregexp = Str.regexp "[ \n\t]+";;
let rec lstrip s =
if String.length s < 1 then s else
if List.mem (String.get s 0) wschars then
lstrip (String.sub s 1 ((String.length s) - 1))
else
s;;
let rec rstrip s =
if String.length s < 1 then s else
let len = String.length s in
if List.mem (String.get s (len - 1)) wschars then
rstrip (String.sub s 0 (len - 1))
else
s;;
let strip = lstrip %% rstrip;;
let string_of_char = String.make 1;;
let string_of_charlist cl =
let slist = List.map string_of_char cl in
String.concat "" slist;;
(** @param delim A string giving the delimiter
* @param s The string to split *)
let split delim s = Str.split_delim (Str.regexp_string delim) s;;
let join = String.concat;;
let split_ws instr = Str.split wsregexp (strip instr);;
let trunc x len =
if String.length x > len then begin
String.sub x 0 len
end else x;;
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