;;; infohack.el --- a hack to format info file.
-;; Copyright (C) 2001 Free Software Foundation, Inc.
+;; Copyright (C) 2001-2014 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))))
+
+(if (fboundp 'texinfo-format-comma)
+ nil
+ (put 'comma 'texinfo-format 'texinfo-format-comma)
+ (defun texinfo-format-comma ()
+ (texinfo-parse-arg-discard)
+ (insert ",")
+ (put-text-property (1- (point)) (point) 'ignore t))
+
+ ;; Redefine this function so as to work for @comma
+ (defun texinfo-format-parse-args ()
+ (let ((start (1- (point)))
+ next beg end
+ args)
+ (search-forward "{")
+ (save-excursion
+ (texinfo-format-expand-region
+ (point)
+ (save-excursion (up-list 1) (1- (point)))))
+ ;; The following does not handle cross references of the form:
+ ;; `@xref{bullet, , @code{@@bullet}@{@}}.' because the
+ ;; re-search-forward finds the first right brace after the second
+ ;; comma.
+ (while (/= (preceding-char) ?\})
+ (skip-chars-forward " \t\n")
+ (setq beg (point))
+;;; (re-search-forward "[},]")
+ ;; Ignore commas that are derived from @comma{}.
+ (while (and (re-search-forward "[},]" nil t)
+ (get-text-property (match-beginning 0) 'ignore)))
+;;;
+ (setq next (point))
+ (forward-char -1)
+ (skip-chars-backward " \t\n")
+ (setq end (point))
+ (cond ((< beg end)
+ (goto-char beg)
+ (while (search-forward "\n" end t)
+ (replace-match " "))))
+ (push (if (> end beg) (buffer-substring-no-properties beg end))
+ args)
+ (goto-char next))
+ ;;(if (eolp) (forward-char 1))
+ (setq texinfo-command-end (point))
+ (nreverse args))))
+
(defun infohack-remove-unsupported ()
(goto-char (point-min))
(while (re-search-forward "@\\(end \\)?ifnottex" nil t)
- (replace-match "")))
+ (replace-match ""))
+ (goto-char (point-min))
+ (while (search-forward "\n@iflatex\n" nil t)
+ (delete-region (1+ (match-beginning 0))
+ (search-forward "\n@end iflatex\n"))))
+
+(defun infohack-replace-unsupported ()
+ (goto-char (point-min))
+ (while (search-forward "@indicateurl{" nil t)
+ (replace-match "@url{"))
+ (goto-char (point-min))
+ (while (search-forward "@enumerate" nil t)
+ (narrow-to-region (point)
+ (or (re-search-forward "@end[\t ]+enumerate" nil t)
+ (point-max)))
+ (goto-char (point-min))
+ (while (re-search-forward "@item[\t ]+\\([^\t\n ]\\)" nil t)
+ (replace-match "@item\n\\1"))))
+
+(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))
+ (let ((dest-directory default-directory)
+ (max-lisp-eval-depth (max max-lisp-eval-depth 600))
+ coding-system)
+ ;; Emacs 21.3 doesn't support @documentencoding
+ (unless (get 'documentencoding 'texinfo-format)
+ (put 'documentencoding 'texinfo-format
+ 'texinfo-discard-line-with-args))
(find-file file)
+ (setq buffer-read-only nil)
+ (setq coding-system buffer-file-coding-system)
(infohack-remove-unsupported)
+ (infohack-include-files)
+ (infohack-replace-unsupported)
(texinfo-every-node-update)
(texinfo-format-buffer t) ;; Don't save any file.
(setq default-directory dest-directory)
(setq buffer-file-name
(expand-file-name (file-name-nondirectory buffer-file-name)
default-directory))
- (if (> (buffer-size) 100000)
+ (setq buffer-file-coding-system coding-system)
+ (if (> (buffer-size) (if (boundp 'Info-split-threshold)
+ (+ 50000 Info-split-threshold)
+ 100000))
(Info-split))
(save-buffer)))
+(eval-and-compile
+ (when (string-match "windows-nt\\|os/2\\|emx\\|cygwin"
+ (symbol-name system-type))
+ (defun subst-char-in-region (START END FROMCHAR TOCHAR &optional NOUNDO)
+ "From START to END, replace FROMCHAR with TOCHAR each time it occurs.
+If optional arg NOUNDO is non-nil, don't record this change for undo
+and don't mark the buffer as really changed.
+Both characters must have the same length of multi-byte form."
+ (let ((original-buffer-undo-list buffer-undo-list)
+ (modified (buffer-modified-p)))
+ (if NOUNDO
+ (setq buffer-undo-list t))
+ (goto-char START)
+ (let ((from (char-to-string FROMCHAR))
+ (to (char-to-string TOCHAR)))
+ (while (search-forward from END t)
+ (replace-match to t t)))
+ (if NOUNDO
+ (progn (setq buffer-undo-list original-buffer-undo-list)
+ (set-buffer-modidifed-p modified)))))))
+
(defun batch-makeinfo ()
"Emacs makeinfo in batch mode."
(infohack (car command-line-args-left))
projects / gnus / blobdiff