xref: /386bsd/usr/local/lib/emacs/19.25/lisp/studly.el (revision a2142627)
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
64