353 lines
14 KiB
EmacsLisp
353 lines
14 KiB
EmacsLisp
;;; muse-docbook.el --- publish DocBook files
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;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010
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;; Free Software Foundation, Inc.
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;; This file is part of Emacs Muse. It is not part of GNU Emacs.
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;; Emacs Muse is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published
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;; by the Free Software Foundation; either version 3, or (at your
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;; option) any later version.
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;; Emacs Muse is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with Emacs Muse; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;; Contributors:
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;; Dale P. Smith (dpsm AT en DOT com) improved the markup
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;; significantly and made many valuable suggestions.
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;;; Code:
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;; Muse DocBook XML Publishing
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;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 'muse-publish)
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(require 'muse-regexps)
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(require 'muse-xml-common)
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(defgroup muse-docbook nil
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"Options controlling the behavior of Muse DocBook XML publishing.
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See `muse-docbook' for more information."
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:group 'muse-publish)
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(defcustom muse-docbook-extension ".xml"
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"Default file extension for publishing DocBook XML files."
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:type 'string
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:group 'muse-docbook)
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(defcustom muse-docbook-header
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"<?xml version=\"1.0\" encoding=\"<lisp>
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(muse-docbook-encoding)</lisp>\"?>
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<!DOCTYPE article PUBLIC \"-//OASIS//DTD DocBook V4.2//EN\"
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\"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd\"<lisp>(muse-docbook-entities)</lisp>>
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<article>
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<articleinfo>
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<title><lisp>(muse-publishing-directive \"title\")</lisp></title>
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<author><lisp>(muse-docbook-get-author
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(muse-publishing-directive \"author\"))</lisp></author>
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<pubdate><lisp>(muse-publishing-directive \"date\")</lisp></pubdate>
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</articleinfo>
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<!-- Page published by Emacs Muse begins here -->\n"
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"Header used for publishing DocBook XML files.
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This may be text or a filename."
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:type 'string
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:group 'muse-docbook)
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(defcustom muse-docbook-footer "
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<!-- Page published by Emacs Muse ends here -->
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<lisp>(muse-docbook-bibliography)</lisp></article>\n"
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"Footer used for publishing DocBook XML files.
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This may be text or a filename."
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:type 'string
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:group 'muse-docbook)
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(defcustom muse-docbook-markup-regexps
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`(;; Beginning of doc, end of doc, or plain paragraph separator
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(10000 ,(concat "\\(\\(\n\\(?:[" muse-regexp-blank "]*\n\\)*"
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"\\([" muse-regexp-blank "]*\n\\)\\)"
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"\\|\\`\\s-*\\|\\s-*\\'\\)")
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3 muse-docbook-markup-paragraph))
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"List of markup rules for publishing a Muse page to DocBook XML.
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For more on the structure of this list, see `muse-publish-markup-regexps'."
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:type '(repeat (choice
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(list :tag "Markup rule"
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integer
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(choice regexp symbol)
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integer
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(choice string function symbol))
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function))
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:group 'muse-docbook)
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(defcustom muse-docbook-markup-functions
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'((anchor . muse-xml-markup-anchor)
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(table . muse-xml-markup-table))
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"An alist of style types to custom functions for that kind of text.
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For more on the structure of this list, see
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`muse-publish-markup-functions'."
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:type '(alist :key-type symbol :value-type function)
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:group 'muse-docbook)
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(defcustom muse-docbook-markup-strings
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'((image-with-desc . "<mediaobject>
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<imageobject>
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<imagedata fileref=\"%1%.%2%\" format=\"%2%\" />
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</imageobject>
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<caption><para>%3%</para></caption>
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</mediaobject>")
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(image . "<inlinemediaobject><imageobject>
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<imagedata fileref=\"%1%.%2%\" format=\"%2%\" />
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</imageobject></inlinemediaobject>")
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(image-link . "<ulink url=\"%1%\"><inlinemediaobject><imageobject>
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<imagedata fileref=\"%2%.%3%\" format=\"%3%\" />
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</imageobject></inlinemediaobject></ulink>")
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(anchor-ref . "<link linkend=\"%s\">%s</link>")
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(url . "<ulink url=\"%s\">%s</ulink>")
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(link . "<ulink url=\"%s\">%s</ulink>")
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(link-and-anchor . "<ulink url=\"%s#%s\">%s</ulink>")
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(email-addr . "<email>%s</email>")
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(anchor . "<anchor id=\"%s\" />\n")
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(emdash . "%s—%s")
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(comment-begin . "<!-- ")
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(comment-end . " -->")
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(rule . "")
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(no-break-space . " ")
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(enddots . "....")
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(dots . "...")
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(section . "<section><title>")
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(section-end . "</title>")
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(subsection . "<section><title>")
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(subsection-end . "</title>")
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(subsubsection . "<section><title>")
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(subsubsection-end . "</title>")
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(section-other . "<section><title>")
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(section-other-end . "</title>")
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(section-close . "</section>")
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(footnote . "<footnote><para>")
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(footnote-end . "</para></footnote>")
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(begin-underline . "")
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(end-underline . "")
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(begin-literal . "<systemitem>")
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(end-literal . "</systemitem>")
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(begin-emph . "<emphasis>")
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(end-emph . "</emphasis>")
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(begin-more-emph . "<emphasis role=\"strong\">")
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(end-more-emph . "</emphasis>")
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(begin-most-emph . "<emphasis role=\"strong\"><emphasis>")
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(end-most-emph . "</emphasis></emphasis>")
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(begin-verse . "<literallayout>\n")
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(verse-space . " ")
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(end-verse . "</literallayout>")
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(begin-example . "<programlisting>")
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(end-example . "</programlisting>")
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(begin-center . "<para role=\"centered\">\n")
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(end-center . "\n</para>")
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(begin-quote . "<blockquote>\n")
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(end-quote . "\n</blockquote>")
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(begin-cite . "<citation role=\"%s\">")
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(begin-cite-author . "<citation role=\"%s\">A:")
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(begin-cite-year . "<citation role=\"%s\">Y:")
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(end-cite . "</citation>")
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(begin-quote-item . "<para>")
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(end-quote-item . "</para>")
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(begin-uli . "<itemizedlist mark=\"bullet\">\n")
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(end-uli . "\n</itemizedlist>")
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(begin-uli-item . "<listitem><para>")
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(end-uli-item . "</para></listitem>")
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(begin-oli . "<orderedlist>\n")
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(end-oli . "\n</orderedlist>")
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(begin-oli-item . "<listitem><para>")
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(end-oli-item . "</para></listitem>")
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(begin-dl . "<variablelist>\n")
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(end-dl . "\n</variablelist>")
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(begin-dl-item . "<varlistentry>\n")
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(end-dl-item . "\n</varlistentry>")
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(begin-ddt . "<term>")
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(end-ddt . "</term>")
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(begin-dde . "<listitem><para>")
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(end-dde . "</para></listitem>")
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(begin-table . "<informaltable>\n")
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(end-table . "</informaltable>")
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(begin-table-group . " <tgroup cols='%s'>\n")
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(end-table-group . " </tgroup>\n")
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(begin-table-row . " <row>\n")
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(end-table-row . " </row>\n")
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(begin-table-entry . " <entry>")
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(end-table-entry . "</entry>\n"))
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"Strings used for marking up text.
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These cover the most basic kinds of markup, the handling of which
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differs little between the various styles."
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:type '(alist :key-type symbol :value-type string)
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:group 'muse-docbook)
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(defcustom muse-docbook-encoding-default 'utf-8
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"The default Emacs buffer encoding to use in published files.
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This will be used if no special characters are found."
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:type 'symbol
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:group 'muse-docbook)
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(defcustom muse-docbook-charset-default "utf-8"
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"The default DocBook XML charset to use if no translation is
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found in `muse-docbook-encoding-map'."
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:type 'string
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:group 'muse-docbook)
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(defun muse-docbook-encoding ()
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(muse-xml-transform-content-type
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(or (and (boundp 'buffer-file-coding-system)
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buffer-file-coding-system)
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muse-docbook-encoding-default)
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muse-docbook-charset-default))
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(defun muse-docbook-markup-paragraph ()
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(catch 'bail-out
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(let ((end (copy-marker (match-end 0) t)))
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(goto-char (match-beginning 0))
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(when (save-excursion
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(save-match-data
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(and (not (get-text-property (max (point-min) (1- (point)))
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'muse-no-paragraph))
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(re-search-backward
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"<\\(/?\\)\\(para\\|footnote\\|literallayout\\)[ >]"
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nil t)
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(cond ((string= (match-string 2) "literallayout")
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(and (not (string= (match-string 1) "/"))
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(throw 'bail-out t)))
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((string= (match-string 2) "para")
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(and
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(not (string= (match-string 1) "/"))
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;; don't mess up nested lists
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(not (and (muse-looking-back "<listitem>")
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(throw 'bail-out t)))))
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((string= (match-string 2) "footnote")
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(string= (match-string 1) "/"))
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(t nil)))))
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(when (get-text-property (1- (point)) 'muse-end-list)
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(goto-char (previous-single-property-change (1- (point))
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'muse-end-list)))
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(muse-insert-markup "</para>"))
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(goto-char end))
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(cond
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((eobp)
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(unless (bolp)
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(insert "\n")))
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((get-text-property (point) 'muse-no-paragraph)
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(forward-char 1)
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nil)
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((eq (char-after) ?\<)
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(when (looking-at (concat "<\\(emphasis\\|systemitem\\|inlinemediaobject"
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"\\|u?link\\|anchor\\|email\\)[ >]"))
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(muse-insert-markup "<para>")))
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(t
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(muse-insert-markup "<para>")))))
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(defun muse-docbook-get-author (&optional author)
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"Split the AUTHOR directive into separate fields.
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AUTHOR should be of the form: \"Firstname Other Names Lastname\",
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and anything after `Firstname' is optional."
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(setq author (save-match-data (split-string author)))
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(let ((num-el (length author)))
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(cond ((eq num-el 1)
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(concat "<firstname>" (car author) "</firstname>"))
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((eq num-el 2)
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(concat "<firstname>" (nth 0 author) "</firstname>"
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"<surname>" (nth 1 author) "</surname>"))
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((eq num-el 3)
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(concat "<firstname>" (nth 0 author) "</firstname>"
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"<othername>" (nth 1 author) "</othername>"
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"<surname>" (nth 2 author) "</surname>"))
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(t
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(let (first last)
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(setq first (car author))
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(setq author (nreverse (cdr author)))
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(setq last (car author))
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(setq author (nreverse (cdr author)))
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(concat "<firstname>" first "</firstname>"
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"<othername>"
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(mapconcat 'identity author " ")
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"</othername>"
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"<surname>" last "</surname>"))))))
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(defun muse-docbook-fixup-images ()
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(goto-char (point-min))
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(while (re-search-forward (concat "<imagedata fileref=\"[^\"]+\""
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" format=\"\\([^\"]+\\)\" />$")
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nil t)
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(replace-match (upcase (match-string 1)) t t nil 1)))
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(defun muse-docbook-fixup-citations ()
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;; remove the role attribute if there is no role
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(goto-char (point-min))
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(while (re-search-forward "<\\(citation role=\"nil\"\\)>" nil t)
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(replace-match "citation" t t nil 1))
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;; replace colons in multi-head citations with semicolons
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(goto-char (point-min))
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(while (re-search-forward "<citation.*>" nil t)
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(let ((start (point))
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(end (re-search-forward "</citation>")))
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(save-restriction
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(narrow-to-region start end)
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(goto-char (point-min))
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(while (re-search-forward "," nil t)
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(replace-match ";"))))))
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(defun muse-docbook-munge-buffer ()
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(muse-docbook-fixup-images)
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(muse-docbook-fixup-citations))
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(defun muse-docbook-entities ()
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(save-excursion
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(goto-char (point-min))
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(if (re-search-forward "<citation" nil t)
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(concat
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" [\n<!ENTITY bibliography SYSTEM \""
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(if (string-match ".short$" (muse-page-name))
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(substring (muse-page-name) 0 -6)
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(muse-page-name))
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".bib.xml\">\n]")
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"")))
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(defun muse-docbook-bibliography ()
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(save-excursion
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(goto-char (point-min))
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(if (re-search-forward "<citation" nil t)
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"&bibliography;\n"
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"")))
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(defun muse-docbook-finalize-buffer ()
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(when (boundp 'buffer-file-coding-system)
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(when (memq buffer-file-coding-system '(no-conversion undecided-unix))
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;; make it agree with the default charset
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(setq buffer-file-coding-system muse-docbook-encoding-default))))
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;;; Register the Muse DocBook XML Publisher
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(muse-define-style "docbook"
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:suffix 'muse-docbook-extension
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:regexps 'muse-docbook-markup-regexps
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:functions 'muse-docbook-markup-functions
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:strings 'muse-docbook-markup-strings
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:specials 'muse-xml-decide-specials
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:before-end 'muse-docbook-munge-buffer
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:after 'muse-docbook-finalize-buffer
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:header 'muse-docbook-header
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:footer 'muse-docbook-footer
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:browser 'find-file)
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(provide 'muse-docbook)
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;;; muse-docbook.el ends here
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