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1 files changed, 48 insertions, 0 deletions

diff --git a/lisp/play/studly.el b/lisp/play/studly.el
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+;;; 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)))