lisp/muse-texinfo.el

   1 ;;; muse-texinfo.el --- publish entries to Texinfo format or PDF
   2
   3 ;; Copyright (C) 2004, 2005  Free Software Foundation, Inc.
   4
   5 ;; This file is not part of GNU Emacs.
   6
   7 ;; This is free software; you can redistribute it and/or modify it under
   8 ;; the terms of the GNU General Public License as published by the Free
   9 ;; Software Foundation; either version 2, or (at your option) any later
  10 ;; version.
  11 ;;
  12 ;; This is distributed in the hope that it will be useful, but WITHOUT
  13 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 ;; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 ;; for more details.
  16 ;;
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  19 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 ;; Boston, MA 02110-1301, USA.
  21
  22 ;;; Commentary:
  23
  24 ;;; Contributors:
  25
  26 ;;; Code:
  27
  28 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  29 ;;
  30 ;; Muse Texinfo Publishing
  31 ;;
  32 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  33
  34 (require 'muse-publish)
  35 (require 'muse-latex)
  36 (require 'texnfo-upd)
  37
  38 (defgroup muse-texinfo nil
  39   "Rules for marking up a Muse file as a Texinfo article."
  40   :group 'muse-publish)
  41
  42 (defcustom muse-texinfo-process-natively t
  43   "If non-nil, use the Emacs `texinfmt' module to make Info files."
  44   :type 'boolean
  45   :require 'texinfmt
  46   :group 'muse-texinfo)
  47
  48 (defcustom muse-texinfo-extension ".texi"
  49   "Default file extension for publishing Texinfo files."
  50   :type 'string
  51   :group 'muse-texinfo)
  52
  53 (defcustom muse-texinfo-info-extension ".info"
  54   "Default file extension for publishing Info files."
  55   :type 'string
  56   :group 'muse-texinfo)
  57
  58 (defcustom muse-texinfo-pdf-extension ".pdf"
  59   "Default file extension for publishing PDF files."
  60   :type 'string
  61   :group 'muse-texinfo)
  62
  63 (defcustom muse-texinfo-header
  64   "\\input texinfo  @c -*-texinfo-*-
  65
  66 @setfilename <lisp>(concat (muse-page-name) \".info\")</lisp>
  67 @settitle <lisp>(muse-publishing-directive \"title\")</lisp>
  68
  69 @documentencoding iso-8859-1
  70
  71 @iftex
  72 @finalout
  73 @end iftex
  74
  75 @titlepage
  76 @title <lisp>(muse-publishing-directive \"title\")</lisp>
  77 @author <lisp>(muse-publishing-directive \"author\")</lisp>
  78 @end titlepage
  79
  80 <lisp>(and muse-publish-generate-contents \"@contents\")</lisp>
  81
  82 @node Top, Overview, , (dir)
  83 @top Overview
  84 @c Page published by Emacs Muse begins here\n\n"
  85   "Text to prepend to a Muse page being published as Texinfo.
  86 This may be text or a filename.
  87 It may contain <lisp> markup tags."
  88   :type 'string
  89   :group 'muse-texinfo)
  90
  91 (defcustom muse-texinfo-footer
  92   "\n@c Page published by Emacs Muse ends here
  93 @bye\n"
  94   "Text to append to a Muse page being published as Texinfo.
  95 This may be text or a filename.
  96 It may contain <lisp> markup tags."
  97   :type 'string
  98   :group 'muse-texinfo)
  99
 100 (defcustom muse-texinfo-markup-regexps
 101   `(;; join together the parts of a list or table
 102     (10000 ,(concat "@end \\(\\(multi\\)?table\\|itemize\\|enumerate\\)"
 103                     "\n\\{1,2\\}"
 104                     "@\\1.*\n+")
 105            0 ""))
 106   "List of markup rules for publishing a Muse page to Texinfo.
 107 For more on the structure of this list, see `muse-publish-markup-regexps'."
 108   :type '(repeat (choice
 109                   (list :tag "Markup rule"
 110                         integer
 111                         (choice regexp symbol)
 112                         integer
 113                         (choice string function symbol))
 114                   function))
 115   :group 'muse-texinfo)
 116
 117 (defcustom muse-texinfo-markup-functions
 118   '((anchor . muse-texinfo-markup-anchor)
 119     (table . muse-texinfo-markup-table))
 120   "An alist of style types to custom functions for that kind of text.
 121 For more on the structure of this list, see
 122 `muse-publish-markup-functions'."
 123   :type '(alist :key-type symbol :value-type function)
 124   :group 'muse-texinfo)
 125
 126 (defcustom muse-texinfo-markup-strings
 127   '((image-with-desc . "@image{%s}")
 128     (image-link      . "@image{%s}")
 129     (url-with-image  . "@uref{%s, %s}")
 130     (url-link        . "@uref{%s, %s}")
 131     (internal-link   . "@ref{%s, %s}")
 132     (email-addr      . "@email{%s}")
 133     (emdash          . "---")
 134     (comment-begin   . "@ignore\n")
 135     (comment-end     . "\n@end ignore\n")
 136     (rule            . "@sp 1")
 137     (no-break-space  . "@w{ }")
 138     (enddots         . "@enddots{}")
 139     (dots            . "@dots{}")
 140     (section         . "@chapter ")
 141     (subsection      . "@section ")
 142     (subsubsection   . "@subsection ")
 143     (section-other   . "@subsubheading ")
 144     (footnote        . "@footnote{")
 145     (footnote-end    . "}")
 146     (begin-underline . "_")
 147     (end-underline   . "_")
 148     (begin-literal   . "@samp{")
 149     (end-literal     . "}")
 150     (begin-emph      . "@emph{")
 151     (end-emph        . "}")
 152     (begin-more-emph . "@strong{")
 153     (end-more-emph   . "}")
 154     (begin-most-emph . "@strong{@emph{")
 155     (end-most-emph   . "}}")
 156     (begin-verse     . "@display\n")
 157     (end-verse-line  . "")
 158     (verse-space     . "@ @ ")
 159     (end-verse       . "\n@end display")
 160     (begin-example   . "@example")
 161     (end-example     . "@end example")
 162     (begin-center    . "@quotation\n")
 163     (end-center      . "\n@end quotation")
 164     (begin-quote     . "@quotation\n")
 165     (end-quote       . "\n@end quotation")
 166     (begin-uli       . "@itemize @bullet\n@item\n")
 167     (end-uli         . "\n@end itemize")
 168     (begin-oli       . "@enumerate\n@item\n")
 169     (end-oli         . "\n@end enumerate")
 170     (begin-ddt       . "@table @strong\n@item ")
 171     (start-dde       . "\n")
 172     (end-ddt         . "\n@end table"))
 173   "Strings used for marking up text.
 174 These cover the most basic kinds of markup, the handling of which
 175 differs little between the various styles."
 176   :type '(alist :key-type symbol :value-type string)
 177   :group 'muse-texinfo)
 178
 179 (defcustom muse-texinfo-markup-specials
 180   '((?@ . "@@")
 181     (?{ . "@{")
 182     (?} . "@}"))
 183   "A table of characters which must be represented specially."
 184   :type '(alist :key-type character :value-type string)
 185   :group 'muse-texinfo)
 186
 187 (defun muse-texinfo-insert-anchor (anchor)
 188   "Insert an anchor, either before the next word, or within a tag."
 189   (unless (get-text-property (match-end 1) 'noemphasis)
 190     (skip-chars-forward muse-regexp-space)
 191     (when (looking-at "<\\([^ />]+\\)>")
 192       (goto-char (match-end 0)))
 193     (insert "@anchor{" anchor "}")))
 194
 195 (defun muse-texinfo-markup-anchor ()
 196   (save-match-data
 197     (muse-texinfo-insert-anchor (match-string 2)))
 198   (match-string 1))
 199
 200 (defun muse-texinfo-markup-table ()
 201   (let* ((str (prog1
 202                   (match-string 1)
 203                 (delete-region (match-beginning 0) (match-end 0))))
 204          (fields (split-string str "\\s-*|+\\s-*")))
 205     (insert "@multitable @columnfractions")
 206     (dotimes (field (length fields))
 207       (insert " " (number-to-string (/ 1.0 (length fields)))))
 208     (insert "\n@item " (mapconcat 'identity fields " @tab "))
 209     (insert "\n@end multitable")))
 210
 211 (defun muse-texinfo-finalize-buffer ()
 212   (goto-char (point-min))
 213   (muse-latex-fixup-dquotes)
 214   (texinfo-insert-node-lines (point-min) (point-max) t)
 215   (texinfo-all-menus-update t))
 216
 217 (defun muse-texinfo-pdf-browse-file (file)
 218   (shell-command (concat "open " file)))
 219
 220 (defun muse-texinfo-info-generate (file output-path final-target)
 221   ;; The version of `texinfmt.el' that comes with Emacs 21 doesn't
 222   ;; support @documentencoding, so hack it in.
 223   (when (and (not (featurep 'xemacs))
 224              (eq emacs-major-version 21))
 225     (put 'documentencoding 'texinfo-format
 226          'texinfo-discard-line-with-args))
 227   (muse-publish-transform-output
 228    file output-path final-target "Info"
 229    (function
 230     (lambda (file output-path)
 231       (if muse-texinfo-process-natively
 232           (save-window-excursion
 233             (save-excursion
 234               (find-file file)
 235               (let ((inhibit-read-only t))
 236                 (texinfo-format-buffer))
 237               (save-buffer)
 238               (kill-buffer (current-buffer))
 239               (let ((buf (get-file-buffer file)))
 240                 (with-current-buffer buf
 241                   (set-buffer-modified-p nil)
 242                   (kill-buffer (current-buffer))))
 243               t))
 244         (= 0 (shell-command
 245               (concat "makeinfo --enable-encoding --output="
 246                       output-path " " file))))))))
 247
 248 (defun muse-texinfo-pdf-generate (file output-path final-target)
 249   (muse-publish-transform-output
 250    file output-path final-target "PDF"
 251    (function
 252     (lambda (file output-path)
 253       (= 0 (shell-command (concat "texi2pdf -q --clean --output="
 254                                   output-path " " file)))))))
 255
 256 (unless (assoc "texi" muse-publishing-styles)
 257   (muse-define-style "texi"
 258                      :suffix    'muse-texinfo-extension
 259                      :regexps   'muse-texinfo-markup-regexps
 260                      :functions 'muse-texinfo-markup-functions
 261                      :strings   'muse-texinfo-markup-strings
 262                      :specials  'muse-texinfo-markup-specials
 263                      :after     'muse-texinfo-finalize-buffer
 264                      :header    'muse-texinfo-header
 265                      :footer    'muse-texinfo-footer
 266                      :browser   'find-file)
 267
 268   (muse-derive-style "info" "texi"
 269                      :final   'muse-texinfo-info-generate
 270                      :osuffix 'muse-texinfo-info-extension
 271                      :browser 'info)
 272
 273   (muse-derive-style "info-pdf" "texi"
 274                      :final   'muse-texinfo-pdf-generate
 275                      :osuffix 'muse-texinfo-pdf-extension
 276                      :browser 'muse-texinfo-pdf-browse-file))
 277
 278 (provide 'muse-texinfo)
 279
 280 ;;; muse-texinfo.el ends here