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
  35 (defun infohack (file)
  36   (let ((dest-directory default-directory)
  37         (max-lisp-eval-depth (max max-lisp-eval-depth 600)))
  38     (find-file file)
  39     (infohack-remove-unsupported)
  40     (texinfo-every-node-update)
  41     (texinfo-format-buffer t) ;; Don't save any file.
  42     (setq default-directory dest-directory)
  43     (setq buffer-file-name
  44           (expand-file-name (file-name-nondirectory buffer-file-name)
  45                             default-directory))
  46     (if (> (buffer-size) 100000)
  47         (Info-split))
  48     (save-buffer)))
  49
  50 (defun batch-makeinfo ()
  51   "Emacs makeinfo in batch mode."
  52   (infohack-texi-format (car command-line-args-left)
  53                         (car (cdr command-line-args-left)))
  54   (setq command-line-args-left nil))
  55
  56 \f
  57 (let ((default-directory (expand-file-name "../lisp/"))
  58       (features (cons 'w3-forms (copy-sequence features))))
  59   ;; Adjust `load-path' for APEL.
  60   (load-file "dgnushack.el"))
  61 (load-file (expand-file-name "ptexinfmt.el" "./"))
  62
  63 (defun infohack-texi-format (file &optional addsuffix)
  64   (let ((auto-save-default nil)
  65         (find-file-run-dired nil)
  66         coding-system-for-write
  67         output-coding-system
  68         (error 0))
  69     (condition-case err
  70         (progn
  71           (find-file file)
  72           (buffer-disable-undo (current-buffer))
  73           (if (boundp 'MULE)
  74               (setq output-coding-system file-coding-system)
  75             (setq coding-system-for-write buffer-file-coding-system))
  76           ;; Remove ignored areas first.
  77           (while (re-search-forward "^@ignore[\t\r ]*$" nil t)
  78             (delete-region (match-beginning 0)
  79                            (if (re-search-forward
  80                                 "^@end[\t ]+ignore[\t\r ]*$" nil t)
  81                                (1+ (match-end 0))
  82                              (point-max))))
  83           (infohack-remove-unsupported)
  84           (goto-char (point-min))
  85           ;; Add suffix if it is needed.
  86           (when (and addsuffix
  87                      (re-search-forward "^@setfilename[\t ]+\\([^\t\n ]+\\)"
  88                                         nil t)
  89                      (not (string-match "\\.info$" (match-string 1))))
  90             (insert ".info")
  91             (goto-char (point-min)))
  92           ;; process @include before updating node
  93           ;; This might produce some problem if we use @lowersection or
  94           ;; such.
  95           (let ((input-directory default-directory)
  96                 (texinfo-command-end))
  97             (while (re-search-forward "^@include" nil t)
  98               (setq texinfo-command-end (point))
  99               (let ((filename (concat input-directory
 100                                       (texinfo-parse-line-arg))))
 101                 (re-search-backward "^@include")
 102                 (delete-region (point) (save-excursion
 103                                          (forward-line 1)
 104                                          (point)))
 105                 (message "Reading included file: %s" filename)
 106                 (save-excursion
 107                   (save-restriction
 108                     (narrow-to-region
 109                      (point) (+ (point)
 110                                 (car (cdr (insert-file-contents filename)))))
 111                     (goto-char (point-min))
 112                     ;; Remove `@setfilename' line from included file,
 113                     ;; if any, so @setfilename command not duplicated.
 114                     (if (re-search-forward "^@setfilename"
 115                                            (save-excursion
 116                                              (forward-line 100)
 117                                              (point))
 118                                            t)
 119                         (progn
 120                           (beginning-of-line)
 121                           (delete-region (point) (save-excursion
 122                                                    (forward-line 1)
 123                                                    (point))))))))))
 124           (texinfo-mode)
 125           (texinfo-every-node-update)
 126           (set-buffer-modified-p nil)
 127           (message "texinfo formatting %s..." file)
 128           (texinfo-format-buffer nil)
 129           (if (buffer-modified-p)
 130               (progn (message "Saving modified %s" (buffer-file-name))
 131                      (save-buffer))))
 132       (error
 133        (message ">> Error: %s" (prin1-to-string err))
 134        (message ">>  point at")
 135        (let ((s (buffer-substring (point) (min (+ (point) 100) (point-max))))
 136              (tem 0))
 137          (while (setq tem (string-match "\n+" s tem))
 138            (setq s (concat (substring s 0 (match-beginning 0))
 139                            "\n>>  "
 140                            (substring s (match-end 0)))
 141                  tem (1+ tem)))
 142          (message ">>  %s" s))
 143        (setq error 1)))
 144     (kill-emacs error)))
 145
 146 ;;; infohack.el ends here