;;; ;;; Time-stamp: <06/01/12 13:43:20 nhw> ;;; ;;; Copyright (C) 2005 by Noel Welsh. ;;; ;;; This library is free software; you can redistribute it ;;; and/or modify it under the terms of the GNU Lesser ;;; General Public License as published by the Free Software ;;; Foundation; either version 2.1 of the License, or (at ;;; your option) any later version. ;;; This library 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 Lesser General Public ;;; License for more details. ;;; You should have received a copy of the GNU Lesser ;;; General Public License along with this library; if not, ;;; write to the Free Software Foundation, Inc., 59 Temple ;;; Place, Suite 330, Boston, MA 02111-1307 USA ;;; Author: Noel Welsh <noelwelsh@yahoo.com> ;; ;; ;; Commentary: (module leet mzscheme (require (lib "string.ss" "srfi" "13")) (provide string->leet char->leet) ;; Clearly there could be more 1337 translations, but ;; this will do (define (char->leet char) (case char ((#\A) #\4) ((#\c) #\x) ((#\C) #\X) ((#\e) #\3) ((#\I) #\!) ((#\i) #\1) ((#\o) #\0) ((#\s) #\5) ((#\S) #\5) ((#\t) #\7) ((#\u) #\V) ((#\y) #\j) (else char))) (define (string->leet input) (string-map char->leet input)) )