Return to dissociate.el CVS log

Up to [Apple XNU] / GNUtools / emacs / lisp

Annotation of GNUtools/emacs/lisp/dissociate.el, revision 1.1.1.1

1.1       root        1: ;; Scramble text amusingly for Emacs.
                      2: ;; Copyright (C) 1985 Free Software Foundation, Inc.
                      3: 
                      4: ;; This file is part of GNU Emacs.
                      5: 
                      6: ;; GNU Emacs is free software; you can redistribute it and/or modify
                      7: ;; it under the terms of the GNU General Public License as published by
                      8: ;; the Free Software Foundation; either version 1, or (at your option)
                      9: ;; any later version.
                     10: 
                     11: ;; GNU Emacs is distributed in the hope that it will be useful,
                     12: ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13: ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14: ;; GNU General Public License for more details.
                     15: 
                     16: ;; You should have received a copy of the GNU General Public License
                     17: ;; along with GNU Emacs; see the file COPYING.  If not, write to
                     18: ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
                     19: 
                     20: 
                     21: (defun dissociated-press (&optional arg)
                     22:   "Dissociate the text of the current buffer.
                     23: Output goes in buffer named *Dissociation*,
                     24: which is redisplayed each time text is added to it.
                     25: Every so often the user must say whether to continue.
                     26: If ARG is positive, require ARG chars of continuity.
                     27: If ARG is negative, require -ARG words of continuity.
                     28: Default is 2."
                     29:   (interactive "P")
                     30:   (setq arg (if arg (prefix-numeric-value arg) 2))
                     31:   (let* ((inbuf (current-buffer))
                     32:         (outbuf (get-buffer-create "*Dissociation*"))
                     33:         (move-function (if (> arg 0) 'forward-char 'forward-word))
                     34:         (move-amount (if (> arg 0) arg (- arg)))
                     35:         (search-function (if (> arg 0) 'search-forward 'word-search-forward))
                     36:         (last-query-point 0))
                     37:     (switch-to-buffer outbuf)
                     38:     (erase-buffer)
                     39:     (while
                     40:       (save-excursion
                     41:        (goto-char last-query-point)
                     42:        (vertical-motion (- (window-height) 4))
                     43:        (or (= (point) (point-max))
                     44:            (and (progn (goto-char (point-max))
                     45:                        (y-or-n-p "Continue dissociation? "))
                     46:                 (progn
                     47:                   (message "")
                     48:                   (recenter 1)
                     49:                   (setq last-query-point (point-max))
                     50:                   t))))
                     51:       (let (start end)
                     52:        (save-excursion
                     53:         (set-buffer inbuf)
                     54:         (setq start (point))
                     55:         (if (eq move-function 'forward-char)
                     56:             (progn
                     57:               (setq end (+ start (+ move-amount (logand 15 (random)))))
                     58:               (if (> end (point-max))
                     59:                   (setq end (+ 1 move-amount (logand 15 (random)))))
                     60:               (goto-char end))
                     61:           (funcall move-function
                     62:                    (+ move-amount (logand 15 (random)))))
                     63:         (setq end (point)))
                     64:        (let ((opoint (point)))
                     65:          (insert-buffer-substring inbuf start end)
                     66:          (save-excursion
                     67:           (goto-char opoint)
                     68:           (end-of-line)
                     69:           (and (> (current-column) fill-column)
                     70:                (do-auto-fill)))))
                     71:       (save-excursion
                     72:        (set-buffer inbuf)
                     73:        (if (eobp)
                     74:           (goto-char (point-min))
                     75:         (let ((overlap
                     76:                (buffer-substring (prog1 (point)
                     77:                                         (funcall move-function
                     78:                                                  (- move-amount)))
                     79:                                  (point))))
                     80:           (let (ranval)
                     81:             (while (< (setq ranval (random)) 0))
                     82:             (goto-char (1+ (% ranval (1- (point-max))))))
                     83:           (or (funcall search-function overlap nil t)
                     84:               (let ((opoint (point)))
                     85:                 (goto-char 1)
                     86:                 (funcall search-function overlap opoint t))))))
                     87:       (sit-for 0))))

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.