code.delx.au - gnu-emacs/blob - lisp/play/studly.el

   1 ;;; studly.el --- StudlyCaps (tm)(r)(c)(xxx)
   2
   3 ;;; This is in the public domain, since it was distributed
   4 ;;; by its author without a copyright notice in 1986.
   5
   6 ;; Keywords: games
   7
   8 ;;; Commentary:
   9
  10 ;; Functions to studlycapsify a region, word, or buffer.  Possibly the
  11 ;; esoteric significance of studlycapsification escapes you; that is,
  12 ;; you suffer from autostudlycapsifibogotification.  Too bad.
  13
  14 ;;; Code:
  15
  16 (defun studlify-region (begin end)
  17   "Studlify-case the region"
  18   (interactive "*r")
  19   (save-excursion
  20     (goto-char begin)
  21     (setq begin (point))
  22     (while (and (<= (point) end)
  23                 (not (looking-at "\\W*\\'")))
  24       (forward-word 1)
  25       (backward-word 1)
  26       (setq begin (max (point) begin))
  27       (forward-word 1)
  28       (let ((offset 0)
  29             (word-end (min (point) end))
  30             c)
  31         (goto-char begin)
  32         (while (< (point) word-end)
  33           (setq offset (+ offset (following-char)))
  34           (forward-char 1))
  35         (setq offset (+ offset (following-char)))
  36         (goto-char begin)
  37         (while (< (point) word-end)
  38           (setq c (following-char))
  39           (if (and (= (% (+ c offset) 4) 2)
  40                    (let ((ch (following-char)))
  41                      (or (and (>= ch ?a) (<= ch ?z))
  42                          (and (>= ch ?A) (<= ch ?Z)))))
  43               (progn
  44                 (delete-char 1)
  45                 (insert (logxor c ? ))))
  46           (forward-char 1))
  47         (setq begin (point))))))
  48
  49 (defun studlify-word (count)
  50   "Studlify-case the current word, or COUNT words if given an argument"
  51   (interactive "*p")
  52   (let ((begin (point)) end rb re)
  53     (forward-word count)
  54     (setq end (point))
  55     (setq rb (min begin end) re (max begin end))
  56     (studlify-region rb re)))
  57
  58 (defun studlify-buffer ()
  59   "Studlify-case the current buffer"
  60   (interactive "*")
  61   (studlify-region (point-min) (point-max)))
  62
  63 ;;; studly.el ends here