;;; decipher.el --- cryptanalyze monoalphabetic substitution ciphers
;;
-;; Copyright (C) 1995, 1996, 2002, 2003, 2004,
-;; 2005, 2006 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1996, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+;; 2008, 2009, 2010 Free Software Foundation, Inc.
;;
;; Author: Christopher J. Madsen <chris_madsen@geocities.com>
;; Keywords: games
;;
;; This file is part of GNU Emacs.
;;
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs 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, or (at your option)
-;; any later version.
-;;
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
;; GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
:group 'games)
(defcustom decipher-force-uppercase t
- "*Non-nil means to convert ciphertext to uppercase.
+ "Non-nil means to convert ciphertext to uppercase.
nil means the case of the ciphertext is preserved.
This variable must be set before typing `\\[decipher]'."
:type 'boolean
(defcustom decipher-ignore-spaces nil
- "*Non-nil means to ignore spaces and punctuation when counting digrams.
+ "Non-nil means to ignore spaces and punctuation when counting digrams.
You should set this to nil if the cipher message is divided into words,
or t if it is not.
This variable is buffer-local."
(insert ">\n"))))) ;Mark plaintext line
(delete-blank-lines) ;Remove any blank lines
(delete-blank-lines)) ; at end of buffer
- (goto-line 4)
+ (goto-char (point-min))
+ (forward-line 3)
(decipher-mode))
;;;###autoload
(t
(error "Bad location")))))
(let (goal-column)
- (previous-line 1)))
+ (forward-line -1)))
(let ((char-a (following-char))
(char-b (decipher-last-command-char)))
(or (and (not (= ?w (char-syntax char-a)))
(interactive (list (upcase (following-char))))
(decipher-analyze)
(let (start end)
- (save-excursion
- (set-buffer (decipher-stats-buffer))
+ (with-current-buffer (decipher-stats-buffer)
(goto-char (point-min))
(or (re-search-forward (format "^%c: " cipher-char) nil t)
(error "Character `%c' is not used in ciphertext" cipher-char))
END-REGEXP matches the line after that which ends the display.
The ending line is included in the display unless it is blank."
(let (start end)
- (save-excursion
- (set-buffer (decipher-stats-buffer))
+ (with-current-buffer (decipher-stats-buffer)
(goto-char (point-min))
(re-search-forward start-regexp)
(beginning-of-line)
(aref decipher--after i)))
freq-list)
total-chars (+ total-chars (aref decipher--freqs i)))))
- (save-excursion
- ;; Switch to statistics buffer, creating it if necessary:
- (set-buffer (decipher-stats-buffer t))
+ ;; Switch to statistics buffer, creating it if necessary:
+ (with-current-buffer (decipher-stats-buffer t)
;; This can't happen, but it never hurts to double-check:
(or (eq major-mode 'decipher-stats-mode)
(error "Buffer %s is not in Decipher-Stats mode" (buffer-name)))
;; See if decipher-stats-buffer exists:
((and (bufferp decipher-stats-buffer)
(buffer-name decipher-stats-buffer))
- (or (save-excursion
- (set-buffer decipher-stats-buffer)
+ (or (with-current-buffer decipher-stats-buffer
(eq major-mode 'decipher-stats-mode))
(error "Buffer %s is not in Decipher-Stats mode"
(buffer-name decipher-stats-buffer)))
;; We just lost track of the statistics buffer:
(get-buffer stats-name)
(generate-new-buffer stats-name))))
- (save-excursion
- (set-buffer decipher-stats-buffer)
+ (with-current-buffer decipher-stats-buffer
(decipher-stats-mode))
decipher-stats-buffer)
;; Give up:
(provide 'decipher)
-;;;(defun decipher-show-undo-list ()
-;;; "Display the undo list (for debugging purposes)."
-;;; (interactive)
-;;; (with-output-to-temp-buffer "*Decipher Undo*"
-;;; (let ((undo-list decipher-undo-list)
-;;; undo-rec undo-map)
-;;; (save-excursion
-;;; (set-buffer "*Decipher Undo*")
-;;; (while (setq undo-rec (pop undo-list))
-;;; (or (consp (car undo-rec))
-;;; (setq undo-rec (list undo-rec)))
-;;; (insert ?\()
-;;; (while (setq undo-map (pop undo-rec))
-;;; (insert (cdr undo-map) (car undo-map) ?\ ))
-;;; (delete-backward-char 1)
-;;; (insert ")\n"))))))
-
-;;; arch-tag: 8f094d88-ffe1-4f99-afe3-a5e81dd939d9
+;;(defun decipher-show-undo-list ()
+;; "Display the undo list (for debugging purposes)."
+;; (interactive)
+;; (with-output-to-temp-buffer "*Decipher Undo*"
+;; (let ((undo-list decipher-undo-list)
+;; undo-rec undo-map)
+;; (with-current-buffer "*Decipher Undo*"
+;; (while (setq undo-rec (pop undo-list))
+;; (or (consp (car undo-rec))
+;; (setq undo-rec (list undo-rec)))
+;; (insert ?\()
+;; (while (setq undo-map (pop undo-rec))
+;; (insert (cdr undo-map) (car undo-map) ?\ ))
+;; (delete-backward-char 1)
+;; (insert ")\n"))))))
+
+;; arch-tag: 8f094d88-ffe1-4f99-afe3-a5e81dd939d9
;;; decipher.el ends here
HCoop / bpt / emacs.git / blobdiff