mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-24 10:38:38 +00:00
114 lines
3.7 KiB
EmacsLisp
114 lines
3.7 KiB
EmacsLisp
;;; misc.el --- some nonstandard basic editing commands for Emacs
|
|
|
|
;; Copyright (C) 1989, 2003 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)))
|
|
|
|
;; Variation of `zap-to-char'.
|
|
|
|
(defun zap-up-to-char (arg char)
|
|
"Kill up to, but not including ARG'th occurrence of CHAR.
|
|
Case is ignored if `case-fold-search' is non-nil in the current buffer.
|
|
Goes backward if ARG is negative; error if CHAR not found.
|
|
Ignores CHAR at point."
|
|
(interactive "p\ncZap up to char: ")
|
|
(let ((direction (if (>= arg 0) 1 -1)))
|
|
(kill-region (point)
|
|
(progn
|
|
(forward-char direction)
|
|
(unwind-protect
|
|
(search-forward (char-to-string char) nil nil arg)
|
|
(backward-char direction))
|
|
(point)))))
|
|
|
|
;; These were added with an eye to making possible a more CCA-compatible
|
|
;; command set; but that turned out not to be interesting.
|
|
|
|
(defun mark-beginning-of-buffer ()
|
|
"Set mark at the beginning of the buffer."
|
|
(interactive)
|
|
(push-mark (point-min)))
|
|
|
|
(defun mark-end-of-buffer ()
|
|
"Set mark at the end of the buffer."
|
|
(interactive)
|
|
(push-mark (point-max)))
|
|
|
|
(defun upcase-char (arg)
|
|
"Uppercasify ARG chars starting from point. Point doesn't move."
|
|
(interactive "p")
|
|
(save-excursion
|
|
(upcase-region (point) (progn (forward-char arg) (point)))))
|
|
|
|
(defun forward-to-word (arg)
|
|
"Move forward until encountering the beginning of a word.
|
|
With argument, do this that many times."
|
|
(interactive "p")
|
|
(or (re-search-forward (if (> arg 0) "\\W\\b" "\\b\\W") nil t arg)
|
|
(goto-char (if (> arg 0) (point-max) (point-min)))))
|
|
|
|
(defun backward-to-word (arg)
|
|
"Move backward until encountering the end of a word.
|
|
With argument, do this that many times."
|
|
(interactive "p")
|
|
(forward-to-word (- arg)))
|
|
|
|
(provide 'misc)
|
|
|
|
;;; arch-tag: 908f7884-c19e-4388-920c-9cfa425e449b
|
|
;;; misc.el ends here
|