git.chise.org Git - elisp/gnus.git-/blob - texi/infohack.el

   1 ;;; infohack.el --- a hack to format info file.
   2 ;; Copyright (C)  2001  Free Software Foundation, Inc.
   3
   4 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
   5 ;; Keywords: info
   6
   7 ;; This file is part of GNU Emacs.
   8
   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)
  12 ;; any later version.
  13
  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.
  18
  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., 59 Temple Place - Suite 330,
  22 ;; Boston, MA 02111-1307, USA.
  23
  24 ;;; Commentary:
  25
  26 ;;; Code:
  27
  28 (require 'texinfmt)
  29
  30 (defun infohack-remove-unsupported ()
  31   (goto-char (point-min))
  32   (while (re-search-forward "@\\(end \\)?ifnottex" nil t)
  33     (replace-match ""))
  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"))))
  38
  39 (defun infohack (file)
  40   (let ((dest-directory default-directory)
  41         (max-lisp-eval-depth (max max-lisp-eval-depth 600))
  42         coding-system)
  43     (find-file file)
  44     (setq buffer-read-only nil)
  45     (setq coding-system (if (boundp 'buffer-file-coding-system)
  46                             buffer-file-coding-system
  47                           file-coding-system))
  48     (infohack-remove-unsupported)
  49     (texinfo-every-node-update)
  50     (texinfo-format-buffer t) ;; Don't save any file.
  51     (setq default-directory dest-directory)
  52     (setq buffer-file-name
  53           (expand-file-name (file-name-nondirectory buffer-file-name)
  54                             default-directory))
  55     (setq buffer-file-coding-system coding-system
  56           file-coding-system coding-system)
  57     (if (> (buffer-size) 100000)
  58         (Info-split))
  59     (save-buffer)))
  60
  61 (defun batch-makeinfo ()
  62   "Emacs makeinfo in batch mode."
  63   (infohack-texi-format (car command-line-args-left)
  64                         (car (cdr command-line-args-left)))
  65   (setq command-line-args-left nil))
  66
  67 \f
  68 (let ((default-directory (expand-file-name "../lisp/"))
  69       (features (cons 'w3-forms (copy-sequence features))))
  70   ;; Adjust `load-path' for APEL.
  71   (load-file "dgnushack.el"))
  72 (load-file (expand-file-name "ptexinfmt.el" "./"))
  73
  74 (defun infohack-texi-format (file &optional addsuffix)
  75   (let ((auto-save-default nil)
  76         (find-file-run-dired nil)
  77         coding-system-for-write
  78         output-coding-system
  79         (error 0))
  80     (condition-case err
  81         (progn
  82           (find-file file)
  83           (setq buffer-read-only nil)
  84           (buffer-disable-undo (current-buffer))
  85           (if (boundp 'MULE)
  86               (setq output-coding-system file-coding-system)
  87             (setq coding-system-for-write buffer-file-coding-system))
  88           ;; Remove ignored areas first.
  89           (while (re-search-forward "^@ignore[\t\r ]*$" nil t)
  90             (delete-region (match-beginning 0)
  91                            (if (re-search-forward
  92                                 "^@end[\t ]+ignore[\t\r ]*$" nil t)
  93                                (1+ (match-end 0))
  94                              (point-max))))
  95           (infohack-remove-unsupported)
  96           (goto-char (point-min))
  97           ;; Add suffix if it is needed.
  98           (when (and addsuffix
  99                      (re-search-forward "^@setfilename[\t ]+\\([^\t\n ]+\\)"
 100                                         nil t)
 101                      (not (string-match "\\.info$" (match-string 1))))
 102             (insert ".info")
 103             (goto-char (point-min)))
 104           ;; process @include before updating node
 105           ;; This might produce some problem if we use @lowersection or
 106           ;; such.
 107           (let ((input-directory default-directory)
 108                 (texinfo-command-end))
 109             (while (re-search-forward "^@include" nil t)
 110               (setq texinfo-command-end (point))
 111               (let ((filename (concat input-directory
 112                                       (texinfo-parse-line-arg))))
 113                 (re-search-backward "^@include")
 114                 (delete-region (point) (save-excursion
 115                                          (forward-line 1)
 116                                          (point)))
 117                 (message "Reading included file: %s" filename)
 118                 (save-excursion
 119                   (save-restriction
 120                     (narrow-to-region
 121                      (point) (+ (point)
 122                                 (car (cdr (insert-file-contents filename)))))
 123                     (goto-char (point-min))
 124                     ;; Remove `@setfilename' line from included file,
 125                     ;; if any, so @setfilename command not duplicated.
 126                     (if (re-search-forward "^@setfilename"
 127                                            (save-excursion
 128                                              (forward-line 100)
 129                                              (point))
 130                                            t)
 131                         (progn
 132                           (beginning-of-line)
 133                           (delete-region (point) (save-excursion
 134                                                    (forward-line 1)
 135                                                    (point))))))))))
 136           (texinfo-mode)
 137           (texinfo-every-node-update)
 138           (set-buffer-modified-p nil)
 139           (message "texinfo formatting %s..." file)
 140           (texinfo-format-buffer nil)
 141           (if (buffer-modified-p)
 142               (progn (message "Saving modified %s" (buffer-file-name))
 143                      (save-buffer))))
 144       (error
 145        (message ">> Error: %s" (prin1-to-string err))
 146        (message ">>  point at")
 147        (let ((s (buffer-substring (point) (min (+ (point) 100) (point-max))))
 148              (tem 0))
 149          (while (setq tem (string-match "\n+" s tem))
 150            (setq s (concat (substring s 0 (match-beginning 0))
 151                            "\n>>  "
 152                            (substring s (match-end 0)))
 153                  tem (1+ tem)))
 154          (message ">>  %s" s))
 155        (setq error 1)))
 156     (kill-emacs error)))
 157
 158 ;;; infohack.el ends here