Mercurial > hg > xemacs-beta
comparison lisp/prim/misc.el @ 0:376386a54a3c r19-14
Import from CVS: tag r19-14
| author | cvs |
|---|---|
| date | Mon, 13 Aug 2007 08:45:50 +0200 |
| parents | |
| children | ac2d302a0011 |
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| -1:000000000000 | 0:376386a54a3c |
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| 1 ;;; misc.el --- miscellaneous functions for XEmacs | |
| 2 | |
| 3 ;; Copyright (C) 1989 Free Software Foundation, Inc. | |
| 4 | |
| 5 ;; Maintainer: FSF | |
| 6 | |
| 7 ;; This file is part of XEmacs. | |
| 8 | |
| 9 ;; XEmacs is free software; you can redistribute it and/or modify it | |
| 10 ;; under the terms of the GNU General Public License as published by | |
| 11 ;; the Free Software Foundation; either version 2, or (at your option) | |
| 12 ;; any later version. | |
| 13 | |
| 14 ;; XEmacs is distributed in the hope that it will be useful, but | |
| 15 ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 ;; General Public License for more details. | |
| 18 | |
| 19 ;; You should have received a copy of the GNU General Public License | |
| 20 ;; along with XEmacs; see the file COPYING. If not, write to the Free | |
| 21 ;; Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 22 | |
| 23 ;;; Synched up with: FSF 19.30. | |
| 24 | |
| 25 ;;; Code: | |
| 26 | |
| 27 (defun copy-from-above-command (&optional arg) | |
| 28 "Copy characters from previous nonblank line, starting just above point. | |
| 29 Copy ARG characters, but not past the end of that line. | |
| 30 If no argument given, copy the entire rest of the line. | |
| 31 The characters copied are inserted in the buffer before point." | |
| 32 (interactive "P") | |
| 33 (let ((cc (current-column)) | |
| 34 n | |
| 35 (string "")) | |
| 36 (save-excursion | |
| 37 (beginning-of-line) | |
| 38 (backward-char 1) | |
| 39 (skip-chars-backward "\ \t\n") | |
| 40 (move-to-column cc) | |
| 41 ;; Default is enough to copy the whole rest of the line. | |
| 42 (setq n (if arg (prefix-numeric-value arg) (point-max))) | |
| 43 ;; If current column winds up in middle of a tab, | |
| 44 ;; copy appropriate number of "virtual" space chars. | |
| 45 (if (< cc (current-column)) | |
| 46 (if (= (preceding-char) ?\t) | |
| 47 (progn | |
| 48 (setq string (make-string (min n (- (current-column) cc)) ?\ )) | |
| 49 (setq n (- n (min n (- (current-column) cc))))) | |
| 50 ;; In middle of ctl char => copy that whole char. | |
| 51 (backward-char 1))) | |
| 52 (setq string (concat string | |
| 53 (buffer-substring | |
| 54 (point) | |
| 55 (min (save-excursion (end-of-line) (point)) | |
| 56 (+ n (point))))))) | |
| 57 (insert string))) | |
| 58 | |
| 59 ;;; misc.el ends here |