mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-25 07:28:20 +00:00
64 lines
2.1 KiB
EmacsLisp
64 lines
2.1 KiB
EmacsLisp
;;; misc.el --- some nonstandard basic editing commands for Emacs
|
|
|
|
;; Copyright (C) 1989 Free Software Foundation, Inc.
|
|
|
|
;; Maintainer: FSF
|
|
;; Keywords: convenience
|
|
|
|
;; This file is part of GNU Emacs.
|
|
|
|
;; GNU Emacs 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 2, or (at your option)
|
|
;; any later version.
|
|
|
|
;; GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to the
|
|
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
;; Boston, MA 02111-1307, USA.
|
|
|
|
;;; Commentary:
|
|
|
|
;;; Code:
|
|
|
|
(defun copy-from-above-command (&optional arg)
|
|
"Copy characters from previous nonblank line, starting just above point.
|
|
Copy ARG characters, but not past the end of that line.
|
|
If no argument given, copy the entire rest of the line.
|
|
The characters copied are inserted in the buffer before point."
|
|
(interactive "P")
|
|
(let ((cc (current-column))
|
|
n
|
|
(string ""))
|
|
(save-excursion
|
|
(beginning-of-line)
|
|
(backward-char 1)
|
|
(skip-chars-backward "\ \t\n")
|
|
(move-to-column cc)
|
|
;; Default is enough to copy the whole rest of the line.
|
|
(setq n (if arg (prefix-numeric-value arg) (point-max)))
|
|
;; If current column winds up in middle of a tab,
|
|
;; copy appropriate number of "virtual" space chars.
|
|
(if (< cc (current-column))
|
|
(if (= (preceding-char) ?\t)
|
|
(progn
|
|
(setq string (make-string (min n (- (current-column) cc)) ?\ ))
|
|
(setq n (- n (min n (- (current-column) cc)))))
|
|
;; In middle of ctl char => copy that whole char.
|
|
(backward-char 1)))
|
|
(setq string (concat string
|
|
(buffer-substring
|
|
(point)
|
|
(min (save-excursion (end-of-line) (point))
|
|
(+ n (point)))))))
|
|
(insert string)))
|
|
|
|
(provide 'misc)
|
|
|
|
;;; misc.el ends here
|