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- ;; Scramble text amusingly for Emacs.
- ;; Copyright (C) 1985 Free Software Foundation, Inc.
-
- ;; This file is part of GNU Emacs.
-
- ;; 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 1, 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, 675 Mass Ave, Cambridge, MA 02139, USA.
-
-
- (defun dissociated-press (&optional arg)
- "Dissociate the text of the current buffer.
- Output goes in buffer named *Dissociation*,
- which is redisplayed each time text is added to it.
- Every so often the user must say whether to continue.
- If ARG is positive, require ARG chars of continuity.
- If ARG is negative, require -ARG words of continuity.
- Default is 2."
- (interactive "P")
- (setq arg (if arg (prefix-numeric-value arg) 2))
- (let* ((inbuf (current-buffer))
- (outbuf (get-buffer-create "*Dissociation*"))
- (move-function (if (> arg 0) 'forward-char 'forward-word))
- (move-amount (if (> arg 0) arg (- arg)))
- (search-function (if (> arg 0) 'search-forward 'word-search-forward))
- (last-query-point 0))
- (switch-to-buffer outbuf)
- (erase-buffer)
- (while
- (save-excursion
- (goto-char last-query-point)
- (vertical-motion (- (window-height) 4))
- (or (= (point) (point-max))
- (and (progn (goto-char (point-max))
- (y-or-n-p "Continue dissociation? "))
- (progn
- (message "")
- (recenter 1)
- (setq last-query-point (point-max))
- t))))
- (let (start end)
- (save-excursion
- (set-buffer inbuf)
- (setq start (point))
- (if (eq move-function 'forward-char)
- (progn
- (setq end (+ start (+ move-amount (logand 15 (random)))))
- (if (> end (point-max))
- (setq end (+ 1 move-amount (logand 15 (random)))))
- (goto-char end))
- (funcall move-function
- (+ move-amount (logand 15 (random)))))
- (setq end (point)))
- (let ((opoint (point)))
- (insert-buffer-substring inbuf start end)
- (save-excursion
- (goto-char opoint)
- (end-of-line)
- (and (> (current-column) fill-column)
- (do-auto-fill)))))
- (save-excursion
- (set-buffer inbuf)
- (if (eobp)
- (goto-char (point-min))
- (let ((overlap
- (buffer-substring (prog1 (point)
- (funcall move-function
- (- move-amount)))
- (point))))
- (let (ranval)
- (while (< (setq ranval (random)) 0))
- (goto-char (1+ (% ranval (1- (point-max))))))
- (or (funcall search-function overlap nil t)
- (let ((opoint (point)))
- (goto-char 1)
- (funcall search-function overlap opoint t))))))
- (sit-for 0))))
-