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* lisp/play/morse.el: Use lexical-binding. * lisp/play/studly.el: Use lexical-binding. * test/lisp/play/morse-tests.el: New file. * test/lisp/play/studly-tests.el: New file.
72 lines
1.9 KiB
EmacsLisp
72 lines
1.9 KiB
EmacsLisp
;;; studly.el --- StudlyCaps (tm)(r)(c)(xxx) -*- lexical-binding: t -*-
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;;; This is in the public domain, since it was distributed
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;;; by its author in 1986 without a copyright notice.
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;; This file is part of GNU Emacs.
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;; Maintainer: emacs-devel@gnu.org
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;; Keywords: games
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;;; Commentary:
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;; Functions to studlycapsify a region, word, or buffer. Possibly the
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;; esoteric significance of studlycapsification escapes you; that is,
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;; you suffer from autostudlycapsifibogotification. Too bad.
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;;; Code:
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;;;###autoload
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(defun studlify-region (begin end)
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"Studlify-case the region."
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(interactive "*r")
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(save-excursion
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(goto-char begin)
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(setq begin (point))
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(while (and (<= (point) end)
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(not (looking-at "\\W*\\'")))
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(forward-word-strictly 1)
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(backward-word-strictly 1)
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(setq begin (max (point) begin))
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(forward-word-strictly 1)
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(let ((offset 0)
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(word-end (min (point) end))
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c)
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(goto-char begin)
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(while (< (point) word-end)
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(setq offset (+ offset (following-char)))
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(forward-char 1))
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(setq offset (+ offset (following-char)))
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(goto-char begin)
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(while (< (point) word-end)
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(setq c (following-char))
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(if (and (= (% (+ c offset) 4) 2)
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(let ((ch (following-char)))
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(or (and (>= ch ?a) (<= ch ?z))
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(and (>= ch ?A) (<= ch ?Z)))))
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(progn
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(delete-char 1)
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(insert (logxor c ? ))))
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(forward-char 1))
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(setq begin (point))))))
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;;;###autoload
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(defun studlify-word (count)
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"Studlify-case the current word, or COUNT words if given an argument."
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(interactive "*p")
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(let ((begin (point)) end rb re)
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(forward-word-strictly count)
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(setq end (point))
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(setq rb (min begin end) re (max begin end))
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(studlify-region rb re)))
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;;;###autoload
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(defun studlify-buffer ()
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"Studlify-case the current buffer."
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(interactive "*")
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(studlify-region (point-min) (point-max)))
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(provide 'studly)
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;;; studly.el ends here
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