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896546cd | 1 | ;;; misc.el --- some nonstandard basic editing commands for Emacs |
6594deb0 | 2 | |
0d30b337 | 3 | ;; Copyright (C) 1989, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
0d20f9a0 | 4 | |
9750e079 | 5 | ;; Maintainer: FSF |
30764597 | 6 | ;; Keywords: convenience |
9750e079 | 7 | |
0d20f9a0 JB |
8 | ;; This file is part of GNU Emacs. |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
e5167999 | 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
0d20f9a0 JB |
13 | ;; any later version. |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 | 21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
086add15 LK |
22 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
23 | ;; Boston, MA 02110-1301, USA. | |
0d20f9a0 | 24 | |
55535639 PJ |
25 | ;;; Commentary: |
26 | ||
e5167999 | 27 | ;;; Code: |
0d20f9a0 JB |
28 | |
29 | (defun copy-from-above-command (&optional arg) | |
30 | "Copy characters from previous nonblank line, starting just above point. | |
31 | Copy ARG characters, but not past the end of that line. | |
32 | If no argument given, copy the entire rest of the line. | |
33 | The characters copied are inserted in the buffer before point." | |
34 | (interactive "P") | |
35 | (let ((cc (current-column)) | |
36 | n | |
37 | (string "")) | |
38 | (save-excursion | |
39 | (beginning-of-line) | |
40 | (backward-char 1) | |
41 | (skip-chars-backward "\ \t\n") | |
42 | (move-to-column cc) | |
43 | ;; Default is enough to copy the whole rest of the line. | |
44 | (setq n (if arg (prefix-numeric-value arg) (point-max))) | |
45 | ;; If current column winds up in middle of a tab, | |
46 | ;; copy appropriate number of "virtual" space chars. | |
47 | (if (< cc (current-column)) | |
48 | (if (= (preceding-char) ?\t) | |
49 | (progn | |
50 | (setq string (make-string (min n (- (current-column) cc)) ?\ )) | |
51 | (setq n (- n (min n (- (current-column) cc))))) | |
52 | ;; In middle of ctl char => copy that whole char. | |
53 | (backward-char 1))) | |
54 | (setq string (concat string | |
55 | (buffer-substring | |
56 | (point) | |
57 | (min (save-excursion (end-of-line) (point)) | |
58 | (+ n (point))))))) | |
59 | (insert string))) | |
6594deb0 | 60 | |
2fd8a18a LK |
61 | ;; Variation of `zap-to-char'. |
62 | ||
63 | (defun zap-up-to-char (arg char) | |
64 | "Kill up to, but not including ARG'th occurrence of CHAR. | |
65 | Case is ignored if `case-fold-search' is non-nil in the current buffer. | |
66 | Goes backward if ARG is negative; error if CHAR not found. | |
67 | Ignores CHAR at point." | |
68 | (interactive "p\ncZap up to char: ") | |
69 | (let ((direction (if (>= arg 0) 1 -1))) | |
70 | (kill-region (point) | |
71 | (progn | |
72 | (forward-char direction) | |
73 | (unwind-protect | |
74 | (search-forward (char-to-string char) nil nil arg) | |
75 | (backward-char direction)) | |
76 | (point))))) | |
77 | ||
9bccd1e3 JB |
78 | ;; These were added with an eye to making possible a more CCA-compatible |
79 | ;; command set; but that turned out not to be interesting. | |
80 | ||
81 | (defun mark-beginning-of-buffer () | |
82 | "Set mark at the beginning of the buffer." | |
83 | (interactive) | |
84 | (push-mark (point-min))) | |
85 | ||
86 | (defun mark-end-of-buffer () | |
87 | "Set mark at the end of the buffer." | |
88 | (interactive) | |
89 | (push-mark (point-max))) | |
90 | ||
91 | (defun upcase-char (arg) | |
2fd8a18a | 92 | "Uppercasify ARG chars starting from point. Point doesn't move." |
9bccd1e3 JB |
93 | (interactive "p") |
94 | (save-excursion | |
95 | (upcase-region (point) (progn (forward-char arg) (point))))) | |
96 | ||
97 | (defun forward-to-word (arg) | |
98 | "Move forward until encountering the beginning of a word. | |
99 | With argument, do this that many times." | |
100 | (interactive "p") | |
101 | (or (re-search-forward (if (> arg 0) "\\W\\b" "\\b\\W") nil t arg) | |
102 | (goto-char (if (> arg 0) (point-max) (point-min))))) | |
103 | ||
104 | (defun backward-to-word (arg) | |
105 | "Move backward until encountering the end of a word. | |
106 | With argument, do this that many times." | |
107 | (interactive "p") | |
108 | (forward-to-word (- arg))) | |
109 | ||
896546cd RS |
110 | (provide 'misc) |
111 | ||
ab5796a9 | 112 | ;;; arch-tag: 908f7884-c19e-4388-920c-9cfa425e449b |
6594deb0 | 113 | ;;; misc.el ends here |