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

   1 ;;; studly.el --- StudlyCaps (tm)(r)(c)(xxx)
   2
   3 (defun studlify-region (begin end)
   4   "Studlify-case the region"
   5   (interactive "*r")
   6   (save-excursion
   7     (goto-char begin)
   8     (setq begin (point))
   9     (while (and (<= (point) end)
  10                 (not (looking-at "\\W*\\'")))
  11       (forward-word 1)
  12       (backward-word 1)
  13       (setq begin (max (point) begin))
  14       (forward-word 1)
  15       (let ((offset 0)
  16             (word-end (min (point) end))
  17             c)
  18         (goto-char begin)
  19         (while (< (point) word-end)
  20           (setq offset (+ offset (following-char)))
  21           (forward-char 1))
  22         (setq offset (+ offset (following-char)))
  23         (goto-char begin)
  24         (while (< (point) word-end)
  25           (setq c (following-char))
  26           (if (and (= (% (+ c offset) 4) 2)
  27                    (let ((ch (following-char)))
  28                      (or (and (>= ch ?a) (<= ch ?z))
  29                          (and (>= ch ?A) (<= ch ?Z)))))
  30               (progn
  31                 (delete-char 1)
  32                 (insert (logxor c ? ))))
  33           (forward-char 1))
  34         (setq begin (point))))))
  35
  36 (defun studlify-word (count)
  37   "Studlify-case the current word, or COUNT words if given an argument"
  38   (interactive "*p")
  39   (let ((begin (point)) end rb re)
  40     (forward-word count)
  41     (setq end (point))
  42     (setq rb (min begin end) re (max begin end))
  43     (studlify-region rb re)))
  44
  45 (defun studlify-buffer ()
  46   "Studlify-case the current buffer"
  47   (interactive "*")
  48   (studlify-region (point-min) (point-max)))
  49
  50 ;;; studly.el ends here