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 ;;;###autoload
  17 (defun studlify-region (begin end)
  18   "Studlify-case the region"
  19   (interactive "*r")
  20   (save-excursion
  21     (goto-char begin)
  22     (setq begin (point))
  23     (while (and (<= (point) end)
  24                 (not (looking-at "\\W*\\'")))
  25       (forward-word 1)
  26       (backward-word 1)
  27       (setq begin (max (point) begin))
  28       (forward-word 1)
  29       (let ((offset 0)
  30             (word-end (min (point) end))
  31             c)
  32         (goto-char begin)
  33         (while (< (point) word-end)
  34           (setq offset (+ offset (following-char)))
  35           (forward-char 1))
  36         (setq offset (+ offset (following-char)))
  37         (goto-char begin)
  38         (while (< (point) word-end)
  39           (setq c (following-char))
  40           (if (and (= (% (+ c offset) 4) 2)
  41                    (let ((ch (following-char)))
  42                      (or (and (>= ch ?a) (<= ch ?z))
  43                          (and (>= ch ?A) (<= ch ?Z)))))
  44               (progn
  45                 (delete-char 1)
  46                 (insert (logxor c ? ))))
  47           (forward-char 1))
  48         (setq begin (point))))))
  49
  50 ;;;###autoload
  51 (defun studlify-word (count)
  52   "Studlify-case the current word, or COUNT words if given an argument"
  53   (interactive "*p")
  54   (let ((begin (point)) end rb re)
  55     (forward-word count)
  56     (setq end (point))
  57     (setq rb (min begin end) re (max begin end))
  58     (studlify-region rb re)))
  59
  60 (defun studlify-buffer ()
  61   "Studlify-case the current buffer"
  62   (interactive "*")
  63   (studlify-region (point-min) (point-max)))
  64
  65 (provide 'studly)
  66
  67 ;;; studly.el ends here