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;;; scule.el --- -scule twiddling -*- lexical-binding: t; -*-
;; Copyright (C) 2022 Case Duckworth
;; Author: Case Duckworth <case@bob>
;; Keywords: convenience
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; DWIM functions for twiddling "scule", or text case (a fancy word for "upper
;; case" is "magiscule", for example, and "lower case" is "miniscule").
;;; Code:
(require 'thingatpt)
;;; Utility macro
;;;###autoload
(defmacro defscule (name &optional region-fn word-fn)
(let ((fn-name (intern (format "scule-%s" name)))
(region-fn (or region-fn (intern (format "%s-region" name))))
(word-fn (or word-fn (intern (format "%s-word" name)))))
`(defun ,fn-name (arg)
,(concat (capitalize (symbol-name name)) " words in the region if active, or word at point.\n"
"If the region is active, call `" (symbol-name region-fn) "'.\n"
"Otherwise, it calls `" (symbol-name word-fn) "' on the word at point and\n"
"the following ARG - 1 words.")
(interactive "*p")
(if (use-region-p)
(,region-fn (region-beginning) (region-end) (region-noncontiguous-p))
(let ((word-bound (save-excursion
(skip-chars-forward "^[:word:]")
(bounds-of-thing-at-point 'word))))
(when (and (car word-bound) (cdr word-bound))
(,region-fn (car word-bound) (cdr word-bound))
(goto-char (cdr word-bound))
(,word-fn (1- arg))))))))
;;;###autoload
(progn (defscule upcase)
(autoload 'scule-upcase "scule" nil t)
(defscule downcase)
(autoload 'scule-downcase "scule" nil t)
(defscule capitalize)
(autoload 'scule-capitalize "scule" nil t))
(provide 'scule)
;;; scule.el ends here
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