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896546cd | 1 | ;;; misc.el --- some nonstandard basic editing commands for Emacs |
6594deb0 | 2 | |
c90f2757 | 3 | ;; Copyright (C) 1989, 2001, 2002, 2003, 2004, 2005, |
409cc4a3 | 4 | ;; 2006, 2007, 2008 Free Software Foundation, Inc. |
0d20f9a0 | 5 | |
9750e079 | 6 | ;; Maintainer: FSF |
30764597 | 7 | ;; Keywords: convenience |
9750e079 | 8 | |
0d20f9a0 JB |
9 | ;; This file is part of GNU Emacs. |
10 | ||
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published by | |
b4aa6026 | 13 | ;; the Free Software Foundation; either version 3, or (at your option) |
0d20f9a0 JB |
14 | ;; any later version. |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
b578f267 | 22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
086add15 LK |
23 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
24 | ;; Boston, MA 02110-1301, USA. | |
0d20f9a0 | 25 | |
55535639 PJ |
26 | ;;; Commentary: |
27 | ||
e5167999 | 28 | ;;; Code: |
0d20f9a0 JB |
29 | |
30 | (defun copy-from-above-command (&optional arg) | |
31 | "Copy characters from previous nonblank line, starting just above point. | |
32 | Copy ARG characters, but not past the end of that line. | |
33 | If no argument given, copy the entire rest of the line. | |
34 | The characters copied are inserted in the buffer before point." | |
35 | (interactive "P") | |
36 | (let ((cc (current-column)) | |
37 | n | |
38 | (string "")) | |
39 | (save-excursion | |
40 | (beginning-of-line) | |
41 | (backward-char 1) | |
42 | (skip-chars-backward "\ \t\n") | |
43 | (move-to-column cc) | |
44 | ;; Default is enough to copy the whole rest of the line. | |
45 | (setq n (if arg (prefix-numeric-value arg) (point-max))) | |
46 | ;; If current column winds up in middle of a tab, | |
47 | ;; copy appropriate number of "virtual" space chars. | |
48 | (if (< cc (current-column)) | |
49 | (if (= (preceding-char) ?\t) | |
50 | (progn | |
ff26cdfe | 51 | (setq string (make-string (min n (- (current-column) cc)) ?\s)) |
0d20f9a0 JB |
52 | (setq n (- n (min n (- (current-column) cc))))) |
53 | ;; In middle of ctl char => copy that whole char. | |
54 | (backward-char 1))) | |
55 | (setq string (concat string | |
56 | (buffer-substring | |
57 | (point) | |
58 | (min (save-excursion (end-of-line) (point)) | |
59 | (+ n (point))))))) | |
60 | (insert string))) | |
6594deb0 | 61 | |
2fd8a18a LK |
62 | ;; Variation of `zap-to-char'. |
63 | ||
64 | (defun zap-up-to-char (arg char) | |
821a311f | 65 | "Kill up to, but not including ARGth occurrence of CHAR. |
2fd8a18a LK |
66 | Case is ignored if `case-fold-search' is non-nil in the current buffer. |
67 | Goes backward if ARG is negative; error if CHAR not found. | |
68 | Ignores CHAR at point." | |
69 | (interactive "p\ncZap up to char: ") | |
70 | (let ((direction (if (>= arg 0) 1 -1))) | |
71 | (kill-region (point) | |
72 | (progn | |
73 | (forward-char direction) | |
74 | (unwind-protect | |
75 | (search-forward (char-to-string char) nil nil arg) | |
76 | (backward-char direction)) | |
77 | (point))))) | |
78 | ||
9bccd1e3 JB |
79 | ;; These were added with an eye to making possible a more CCA-compatible |
80 | ;; command set; but that turned out not to be interesting. | |
81 | ||
82 | (defun mark-beginning-of-buffer () | |
83 | "Set mark at the beginning of the buffer." | |
84 | (interactive) | |
85 | (push-mark (point-min))) | |
86 | ||
87 | (defun mark-end-of-buffer () | |
88 | "Set mark at the end of the buffer." | |
89 | (interactive) | |
90 | (push-mark (point-max))) | |
91 | ||
92 | (defun upcase-char (arg) | |
2fd8a18a | 93 | "Uppercasify ARG chars starting from point. Point doesn't move." |
9bccd1e3 JB |
94 | (interactive "p") |
95 | (save-excursion | |
96 | (upcase-region (point) (progn (forward-char arg) (point))))) | |
97 | ||
98 | (defun forward-to-word (arg) | |
99 | "Move forward until encountering the beginning of a word. | |
100 | With argument, do this that many times." | |
101 | (interactive "p") | |
102 | (or (re-search-forward (if (> arg 0) "\\W\\b" "\\b\\W") nil t arg) | |
103 | (goto-char (if (> arg 0) (point-max) (point-min))))) | |
104 | ||
105 | (defun backward-to-word (arg) | |
106 | "Move backward until encountering the end of a word. | |
107 | With argument, do this that many times." | |
108 | (interactive "p") | |
109 | (forward-to-word (- arg))) | |
110 | ||
896546cd RS |
111 | (provide 'misc) |
112 | ||
cbee283d | 113 | ;; arch-tag: 908f7884-c19e-4388-920c-9cfa425e449b |
6594deb0 | 114 | ;;; misc.el ends here |