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subword-mode-expansions.el
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subword-mode-expansions.el
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;;; subword-mode-expansions.el --- Expansions for subword-mode to be used for CamelCase -*- lexical-binding: t; -*-
;; Copyright (C) 2014-2023 Free Software Foundation, Inc
;; Author: Lefteris Karapetsas
;; Keywords: marking region
;; 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 <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Provides extra expansions for subword mode so that when
;; subword-mode is non-nil different words can be selected in CamelCase.
;; Feel free to contribute any other expansions:
;;
;; https://github.com/magnars/expand-region.el
;;; Code:
(require 'expand-region-core)
(require 'subword)
(defun er/mark-subword ()
"Mark a subword, a part of a CamelCase identifier."
(interactive)
(when (and subword-mode
expand-region-subword-enabled)
(subword-right 1)
(set-mark (point))
(subword-left 1)))
(defun er/add-subword-mode-expansions ()
"Add expansions for buffers in `subword-mode'."
(set (make-local-variable 'er/try-expand-list)
(append er/try-expand-list
'(er/mark-subword))))
(er/enable-minor-mode-expansions 'subword-mode 'er/add-subword-mode-expansions)
(provide 'subword-mode-expansions)
;;; subword-mode-expansions.el ends here