;;; infohack.el --- a hack to format info file.
-;; Copyright (C) 2001 Free Software Foundation, Inc.
+;; Copyright (C) 2001-2012 Free Software Foundation, Inc.
;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
;; Keywords: info
;; 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)
+;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; 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.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
(require 'texinfmt)
+(if (fboundp 'texinfo-copying)
+ nil
+ ;; Support @copying and @insertcopying for Emacs 21.3 and lesser and
+ ;; XEmacs.
+ (defvar texinfo-copying-text ""
+ "Text of the copyright notice and copying permissions.")
+
+ (defun texinfo-copying ()
+ "Copy the copyright notice and copying permissions from the Texinfo file,
+as indicated by the @copying ... @end copying command;
+insert the text with the @insertcopying command."
+ (let ((beg (progn (beginning-of-line) (point)))
+ (end (progn (re-search-forward "^@end copying[ \t]*\n") (point))))
+ (setq texinfo-copying-text
+ (buffer-substring-no-properties
+ (save-excursion (goto-char beg) (forward-line 1) (point))
+ (save-excursion (goto-char end) (forward-line -1) (point))))
+ (delete-region beg end)))
+
+ (defun texinfo-insertcopying ()
+ "Insert the copyright notice and copying permissions from the Texinfo file,
+which are indicated by the @copying ... @end copying command."
+ (insert (concat "\n" texinfo-copying-text)))
+
+ (defadvice texinfo-format-scan (before expand-@copying-section activate)
+ "Extract @copying and replace @insertcopying with it."
+ (goto-char (point-min))
+ (when (search-forward "@copying" nil t)
+ (texinfo-copying))
+ (while (search-forward "@insertcopying" nil t)
+ (delete-region (match-beginning 0) (match-end 0))
+ (texinfo-insertcopying))))
+
(defun infohack-remove-unsupported ()
(goto-char (point-min))
(while (re-search-forward "@\\(end \\)?ifnottex" nil t)
(delete-region (1+ (match-beginning 0))
(search-forward "\n@end iflatex\n"))))
+(defun infohack-include-files ()
+ "Insert @include files."
+ (goto-char (point-min))
+ (set-syntax-table texinfo-format-syntax-table)
+ (let (start texinfo-command-end filename)
+ (while (re-search-forward "^@include" nil t)
+ (setq start (match-beginning 0)
+ texinfo-command-end (point)
+ filename (texinfo-parse-line-arg))
+ (delete-region start (point-at-bol 2))
+ (message "Reading included file: %s" filename)
+ (save-excursion
+ (save-restriction
+ (narrow-to-region
+ (point)
+ (+ (point) (car (cdr (insert-file-contents filename)))))
+ (goto-char (point-min))
+ ;; Remove `@setfilename' line from included file, if any,
+ ;; so @setfilename command not duplicated.
+ (if (re-search-forward "^@setfilename" (point-at-eol 100) t)
+ (delete-region (point-at-bol 1)
+ (point-at-bol 2))))))))
+
(defun infohack (file)
(let ((dest-directory default-directory)
(max-lisp-eval-depth (max max-lisp-eval-depth 600))
(setq buffer-read-only nil)
(setq coding-system buffer-file-coding-system)
(infohack-remove-unsupported)
+ (infohack-include-files)
(texinfo-every-node-update)
(texinfo-format-buffer t) ;; Don't save any file.
(setq default-directory dest-directory)
(expand-file-name (file-name-nondirectory buffer-file-name)
default-directory))
(setq buffer-file-coding-system coding-system)
- (if (> (buffer-size) 100000)
+ (if (> (buffer-size) (if (boundp 'Info-split-threshold)
+ (+ 50000 Info-split-threshold)
+ 100000))
(Info-split))
(save-buffer)))
(infohack (car command-line-args-left))
(setq command-line-args-left nil))
-;;; arch-tag: 9ca2f71f-b280-48b3-9826-8dc052dfbbfe
;;; infohack.el ends here