1 ;;; infohack.el --- a hack to format info file.
2 ;; Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
4 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 3, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 ;; Boston, MA 02110-1301, USA.
28 (load-file (expand-file-name "ptexinfmt.el" "./"))
30 (defun infohack-remove-unsupported ()
31 (goto-char (point-min))
32 (while (re-search-forward "@\\(end \\)?ifnottex" nil t)
34 (goto-char (point-min))
35 (while (search-forward "\n@iflatex\n" nil t)
36 (delete-region (1+ (match-beginning 0))
37 (search-forward "\n@end iflatex\n"))))
39 (defun infohack (file)
40 (let ((dest-directory default-directory)
41 (max-lisp-eval-depth (max max-lisp-eval-depth 600))
43 ;; Emacs 21.3 doesn't support @documentencoding
44 (unless (get 'documentencoding 'texinfo-format)
45 (put 'documentencoding 'texinfo-format
46 'texinfo-discard-line-with-args))
48 (setq buffer-read-only nil)
49 (setq coding-system buffer-file-coding-system)
50 (infohack-remove-unsupported)
51 (texinfo-every-node-update)
52 (texinfo-format-buffer t) ;; Don't save any file.
53 (setq default-directory dest-directory)
54 (setq buffer-file-name
55 (expand-file-name (file-name-nondirectory buffer-file-name)
57 (setq buffer-file-coding-system coding-system)
58 (if (> (buffer-size) 100000)
63 (when (string-match "windows-nt\\|os/2\\|emx\\|cygwin"
64 (symbol-name system-type))
65 (defun subst-char-in-region (START END FROMCHAR TOCHAR &optional NOUNDO)
66 "From START to END, replace FROMCHAR with TOCHAR each time it occurs.
67 If optional arg NOUNDO is non-nil, don't record this change for undo
68 and don't mark the buffer as really changed.
69 Both characters must have the same length of multi-byte form."
70 (let ((original-buffer-undo-list buffer-undo-list)
71 (modified (buffer-modified-p)))
73 (setq buffer-undo-list t))
75 (let ((from (char-to-string FROMCHAR))
76 (to (char-to-string TOCHAR)))
77 (while (search-forward from END t)
78 (replace-match to t t)))
80 (progn (setq buffer-undo-list original-buffer-undo-list)
81 (set-buffer-modidifed-p modified)))))))
83 (defun batch-makeinfo ()
84 "Emacs makeinfo in batch mode."
85 (infohack-texi-format (car command-line-args-left)
86 (car (cdr command-line-args-left)))
87 (setq command-line-args-left nil))
92 ;; Reduce the number of split Info files.
94 (let* ((fn (symbol-function 'Info-split))
95 (fns (prin1-to-string fn)))
96 (when (string-match "\\([\t\n ]+\\)50000\\([\t\n ]+\\)" fns)
98 (fset 'Info-split (read (replace-match "\\1200000\\2" nil nil fns)))
100 (fset 'Info-split fn)))))
102 (defun infohack-texi-format (file &optional addsuffix)
103 (let ((auto-save-default nil)
104 (find-file-run-dired nil)
105 coding-system-for-write
110 (setq buffer-read-only nil)
111 (buffer-disable-undo (current-buffer))
112 (setq coding-system-for-write buffer-file-coding-system)
113 ;; process @include before updating node
114 ;; This might produce some problem if we use @lowersection or
116 (let ((input-directory default-directory)
117 (texinfo-command-end))
118 (while (re-search-forward "^@include" nil t)
119 (setq texinfo-command-end (point))
120 (let ((filename (concat input-directory
121 (texinfo-parse-line-arg))))
122 (re-search-backward "^@include")
123 (delete-region (point) (save-excursion
126 (message "Reading included file: %s" filename)
131 (car (cdr (insert-file-contents filename)))))
132 (goto-char (point-min))
133 ;; Remove `@setfilename' line from included file,
134 ;; if any, so @setfilename command not duplicated.
135 (if (re-search-forward "^@setfilename"
142 (delete-region (point) (save-excursion
145 ;; Remove ignored areas.
146 (goto-char (point-min))
147 (while (re-search-forward "^@ignore[\t\r ]*$" nil t)
148 (delete-region (match-beginning 0)
149 (if (re-search-forward
150 "^@end[\t ]+ignore[\t\r ]*$" nil t)
153 ;; Remove unsupported commands.
154 (infohack-remove-unsupported)
155 ;; Add suffix if it is needed.
156 (goto-char (point-min))
158 (re-search-forward "^@setfilename[\t ]+\\([^\t\n ]+\\)"
160 (not (string-match "\\.info$" (match-string 1))))
163 (texinfo-every-node-update)
164 (set-buffer-modified-p nil)
165 (message "texinfo formatting %s..." file)
166 (let ((si:message (symbol-function 'message)))
167 ;; Encode messages to terminal.
171 (if (featurep 'xemacs)
172 `(lambda (fmt &rest args)
173 (unless (and (string-equal fmt "%s clean")
174 (equal (car args) buffer-file-name))
175 (funcall ,si:message "%s"
176 (encode-coding-string (apply 'format fmt args)
178 `(lambda (fmt &rest args)
179 (funcall ,si:message "%s"
180 (encode-coding-string (apply 'format fmt args)
183 (texinfo-format-buffer nil)
184 (fset 'message si:message)))
185 (if (buffer-modified-p)
186 (progn (message "Saving modified %s" (buffer-file-name))
189 (message ">> Error: %s" (prin1-to-string err))
190 (message ">> point at")
191 (let ((s (buffer-substring (point) (min (+ (point) 100) (point-max))))
193 (while (setq tem (string-match "\n+" s tem))
194 (setq s (concat (substring s 0 (match-beginning 0))
196 (substring s (match-end 0)))
202 ;;; infohack.el ends here