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 2, 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 (if (fboundp 'texinfo-copying)
32 ;; Support @copying and @insertcopying for Emacs 21.3 and lesser and
34 (defvar texinfo-copying-text ""
35 "Text of the copyright notice and copying permissions.")
37 (defun texinfo-copying ()
38 "Copy the copyright notice and copying permissions from the Texinfo file,
39 as indicated by the @copying ... @end copying command;
40 insert the text with the @insertcopying command."
41 (let ((beg (progn (beginning-of-line) (point)))
42 (end (progn (re-search-forward "^@end copying[ \t]*\n") (point))))
43 (setq texinfo-copying-text
44 (buffer-substring-no-properties
45 (save-excursion (goto-char beg) (forward-line 1) (point))
46 (save-excursion (goto-char end) (forward-line -1) (point))))
47 (delete-region beg end)))
49 (defun texinfo-insertcopying ()
50 "Insert the copyright notice and copying permissions from the Texinfo file,
51 which are indicated by the @copying ... @end copying command."
52 (insert (concat "\n" texinfo-copying-text)))
54 (defadvice texinfo-format-scan (before expand-@copying-section activate)
55 "Extract @copying and replace @insertcopying with it."
56 (goto-char (point-min))
57 (when (search-forward "@copying" nil t)
59 (while (search-forward "@insertcopying" nil t)
60 (delete-region (match-beginning 0) (match-end 0))
61 (texinfo-insertcopying))))
63 (defun infohack-remove-unsupported ()
64 (goto-char (point-min))
65 (while (re-search-forward "@\\(end \\)?ifnottex" nil t)
67 (goto-char (point-min))
68 (while (search-forward "\n@iflatex\n" nil t)
69 (delete-region (1+ (match-beginning 0))
70 (search-forward "\n@end iflatex\n"))))
72 (defun infohack (file)
73 (let ((dest-directory default-directory)
74 (max-lisp-eval-depth (max max-lisp-eval-depth 600))
76 ;; Emacs 21.3 doesn't support @documentencoding
77 (unless (get 'documentencoding 'texinfo-format)
78 (put 'documentencoding 'texinfo-format
79 'texinfo-discard-line-with-args))
81 (setq buffer-read-only nil)
82 (setq coding-system buffer-file-coding-system)
83 (infohack-remove-unsupported)
84 (texinfo-every-node-update)
85 (texinfo-format-buffer t) ;; Don't save any file.
86 (setq default-directory dest-directory)
87 (setq buffer-file-name
88 (expand-file-name (file-name-nondirectory buffer-file-name)
90 (setq buffer-file-coding-system coding-system)
91 (if (> (buffer-size) 100000)
96 (when (string-match "windows-nt\\|os/2\\|emx\\|cygwin"
97 (symbol-name system-type))
98 (defun subst-char-in-region (START END FROMCHAR TOCHAR &optional NOUNDO)
99 "From START to END, replace FROMCHAR with TOCHAR each time it occurs.
100 If optional arg NOUNDO is non-nil, don't record this change for undo
101 and don't mark the buffer as really changed.
102 Both characters must have the same length of multi-byte form."
103 (let ((original-buffer-undo-list buffer-undo-list)
104 (modified (buffer-modified-p)))
106 (setq buffer-undo-list t))
108 (let ((from (char-to-string FROMCHAR))
109 (to (char-to-string TOCHAR)))
110 (while (search-forward from END t)
111 (replace-match to t t)))
113 (progn (setq buffer-undo-list original-buffer-undo-list)
114 (set-buffer-modidifed-p modified)))))))
116 (defun batch-makeinfo ()
117 "Emacs makeinfo in batch mode."
118 (infohack-texi-format (car command-line-args-left)
119 (car (cdr command-line-args-left)))
120 (setq command-line-args-left nil))
125 (defun infohack-texi-format (file &optional addsuffix)
126 (let ((auto-save-default nil)
127 (find-file-run-dired nil)
128 coding-system-for-write
133 (setq buffer-read-only nil)
134 (buffer-disable-undo (current-buffer))
135 (setq coding-system-for-write buffer-file-coding-system)
136 ;; process @include before updating node
137 ;; This might produce some problem if we use @lowersection or
139 (let ((input-directory default-directory)
140 (texinfo-command-end))
141 (while (re-search-forward "^@include" nil t)
142 (setq texinfo-command-end (point))
143 (let ((filename (concat input-directory
144 (texinfo-parse-line-arg))))
145 (re-search-backward "^@include")
146 (delete-region (point) (save-excursion
149 (message "Reading included file: %s" filename)
154 (car (cdr (insert-file-contents filename)))))
155 (goto-char (point-min))
156 ;; Remove `@setfilename' line from included file,
157 ;; if any, so @setfilename command not duplicated.
158 (if (re-search-forward "^@setfilename"
165 (delete-region (point) (save-excursion
168 ;; Remove ignored areas.
169 (goto-char (point-min))
170 (while (re-search-forward "^@ignore[\t\r ]*$" nil t)
171 (delete-region (match-beginning 0)
172 (if (re-search-forward
173 "^@end[\t ]+ignore[\t\r ]*$" nil t)
176 ;; Remove unsupported commands.
177 (infohack-remove-unsupported)
178 ;; Add suffix if it is needed.
179 (goto-char (point-min))
181 (re-search-forward "^@setfilename[\t ]+\\([^\t\n ]+\\)"
183 (not (string-match "\\.info$" (match-string 1))))
186 (texinfo-every-node-update)
187 (set-buffer-modified-p nil)
188 (message "texinfo formatting %s..." file)
189 (let ((si:message (symbol-function 'message)))
190 ;; Encode messages to terminal.
194 (if (featurep 'xemacs)
195 `(lambda (fmt &rest args)
196 (unless (and (string-equal fmt "%s clean")
197 (equal (car args) buffer-file-name))
198 (funcall ,si:message "%s"
199 (encode-coding-string (apply 'format fmt args)
201 `(lambda (fmt &rest args)
202 (funcall ,si:message "%s"
203 (encode-coding-string (apply 'format fmt args)
206 (texinfo-format-buffer nil)
207 (fset 'message si:message)))
208 (if (buffer-modified-p)
209 (progn (message "Saving modified %s" (buffer-file-name))
212 (message ">> Error: %s" (prin1-to-string err))
213 (message ">> point at")
214 (let ((s (buffer-substring (point) (min (+ (point) 100) (point-max))))
216 (while (setq tem (string-match "\n+" s tem))
217 (setq s (concat (substring s 0 (match-beginning 0))
219 (substring s (match-end 0)))
225 ;;; infohack.el ends here