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Diffstat (limited to 'lisp/textmodes/page.el')
| -rw-r--r-- | lisp/textmodes/page.el | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/lisp/textmodes/page.el b/lisp/textmodes/page.el deleted file mode 100644 index dc86e6997be..00000000000 --- a/lisp/textmodes/page.el +++ /dev/null @@ -1,144 +0,0 @@ -;;; page.el --- page motion commands for emacs. - -;; Copyright (C) 1985 Free Software Foundation, Inc. - -;; Maintainer: FSF - -;; 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, 675 Mass Ave, Cambridge, MA 02139, USA. - -;;; Commentary: - -;; This code provides the page-oriented movement and selection commands -;; documented in the Emacs manual. - -;;; Code: - -(defun forward-page (&optional count) - "Move forward to page boundary. With arg, repeat, or go back if negative. -A page boundary is any line whose beginning matches the regexp -`page-delimiter'." - (interactive "p") - (or count (setq count 1)) - (while (and (> count 0) (not (eobp))) - ;; In case the page-delimiter matches the null string, - ;; don't find a match without moving. - (if (bolp) (forward-char 1)) - (if (re-search-forward page-delimiter nil t) - nil - (goto-char (point-max))) - (setq count (1- count))) - (while (and (< count 0) (not (bobp))) - (forward-char -1) - (if (re-search-backward page-delimiter nil t) - (goto-char (match-end 0)) - (goto-char (point-min))) - (setq count (1+ count)))) - -(defun backward-page (&optional count) - "Move backward to page boundary. With arg, repeat, or go fwd if negative. -A page boundary is any line whose beginning matches the regexp -`page-delimiter'." - (interactive "p") - (or count (setq count 1)) - (forward-page (- count))) - -(defun mark-page (&optional arg) - "Put mark at end of page, point at beginning. -A numeric arg specifies to move forward or backward by that many pages, -thus marking a page other than the one point was originally in." - (interactive "P") - (setq arg (if arg (prefix-numeric-value arg) 0)) - (if (> arg 0) - (forward-page arg) - (if (< arg 0) - (forward-page (1- arg)))) - (forward-page) - (push-mark nil t t) - (forward-page -1)) - -(defun narrow-to-page (&optional arg) - "Make text outside current page invisible. -A numeric arg specifies to move forward or backward by that many pages, -thus showing a page other than the one point was originally in." - (interactive "P") - (setq arg (if arg (prefix-numeric-value arg) 0)) - (save-excursion - (widen) - (if (> arg 0) - (forward-page arg) - (if (< arg 0) - (forward-page (1- arg)))) - ;; Find the end of the page. - (forward-page) - ;; If we stopped due to end of buffer, stay there. - ;; If we stopped after a page delimiter, put end of restriction - ;; at the beginning of that line. - (if (save-excursion - (goto-char (match-beginning 0)) ; was (beginning-of-line) - (looking-at page-delimiter)) - (beginning-of-line)) - (narrow-to-region (point) - (progn - ;; Find the top of the page. - (forward-page -1) - ;; If we found beginning of buffer, stay there. - ;; If extra text follows page delimiter on same line, - ;; include it. - ;; Otherwise, show text starting with following line. - (if (and (eolp) (not (bobp))) - (forward-line 1)) - (point))))) -(put 'narrow-to-page 'disabled t) - -(defun count-lines-page () - "Report number of lines on current page, and how many are before or after point." - (interactive) - (save-excursion - (let ((opoint (point)) beg end - total before after) - (forward-page) - (beginning-of-line) - (or (looking-at page-delimiter) - (end-of-line)) - (setq end (point)) - (backward-page) - (setq beg (point)) - (setq total (count-lines beg end) - before (count-lines beg opoint) - after (count-lines opoint end)) - (message "Page has %d lines (%d + %d)" total before after)))) - -(defun what-page () - "Print page and line number of point." - (interactive) - (save-restriction - (widen) - (save-excursion - (beginning-of-line) - (let ((count 1) - (opoint (point))) - (goto-char 1) - (while (re-search-forward page-delimiter opoint t) - (setq count (1+ count))) - (message "Page %d, line %d" - count - (1+ (count-lines (point) opoint))))))) - -;;; Place `provide' at end of file. -(provide 'page) - -;;; page.el ends here |