Initial revision

lisp/play/studly.el

@@ -0,0 +1,48 @@
+;;; StudlyCaps (tm)(r)(c)(xxx)
+
+(defun studlify-region (begin end)
+  "Studlify-case the region"
+  (interactive "*r")
+  (save-excursion
+    (goto-char begin)
+    (setq begin (point))
+    (while (and (<= (point) end)
+		(not (looking-at "\\W*\\'")))
+      (forward-word 1)
+      (backward-word 1)
+      (setq begin (max (point) begin))
+      (forward-word 1)
+      (let ((offset 0)
+	    (word-end (min (point) end))
+	    c)
+	(goto-char begin)
+	(while (< (point) word-end)
+	  (setq offset (+ offset (following-char)))
+	  (forward-char 1))
+	(setq offset (+ offset (following-char)))
+	(goto-char begin)
+	(while (< (point) word-end)
+	  (setq c (following-char))
+	  (if (and (= (% (+ c offset) 4) 2)
+		   (let ((ch (following-char)))
+		     (or (and (>= ch ?a) (<= ch ?z))
+			 (and (>= ch ?A) (<= ch ?Z)))))
+	      (progn
+		(delete-char 1)
+		(insert (logxor c ? ))))
+	  (forward-char 1))
+	(setq begin (point))))))
+
+(defun studlify-word (count)
+  "Studlify-case the current word, or COUNT words if given an argument"
+  (interactive "*p")
+  (let ((begin (point)) end rb re)
+    (forward-word count)
+    (setq end (point))
+    (setq rb (min begin end) re (max begin end))
+    (studlify-region rb re)))
+
+(defun studlify-buffer ()
+  "Studlify-case the current buffer"
+  (interactive "*")
+  (studlify-region (point-min) (point-max)))