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;;; muse-import-latex.el --- convert a LaTex file into a Muse file
;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010
;; Free Software Foundation, Inc.
;; This file is part of Emacs Muse. It is not part of GNU Emacs.
;; Emacs Muse is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published
;; by the Free Software Foundation; either version 3, or (at your
;; option) any later version.
;; Emacs Muse is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with Emacs Muse; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Helper commands for converting a LaTeX file into a Muse file.
;;; Contributors:
;;; Code:
(require 'muse)
(require 'muse-regexps)
(defun muse-i-l-write-citation (note author citation pages)
(save-excursion
(goto-char (point-max))
(if (= note 1)
(insert "\nFootnotes:\n\n"))
(let ((beg (point)))
(insert "\n[" (number-to-string note) "] " author)
(if (and citation pages)
(insert ", " citation ", " pages))
(insert "\n")
(goto-char beg)
(while (re-search-forward (concat "p.\\\\[" muse-regexp-blank "\n]+")
nil t)
(replace-match "p."))
(goto-char beg)
(while (re-search-forward "--" nil t)
(replace-match "-")))))
(defun muse-i-l-write-footnote (note text)
(save-excursion
(goto-char (point-max))
(if (= note 1)
(insert "\nFootnotes:\n\n"))
(insert "\n[" (number-to-string note) "] " text ?\n)))
;;;###autoload
(defun muse-import-latex ()
(interactive)
(goto-char (point-min))
(while (not (eobp))
(cond
((or (looking-at "^\\\\documentclass")
(looking-at "^\\\\input")
(looking-at "^\\\\begin{document}")
(looking-at "^\\\\end{document}")
(looking-at "^\\\\author")
(looking-at "^\\\\\\(med\\|big\\|small\\)skip")
(looking-at "^\\\\maketitle"))
(delete-region (point) (muse-line-end-position)))
((looking-at "^\\\\title{\\(.+\\)}")
(delete-region (match-end 1) (muse-line-end-position))
(delete-region (point) (match-beginning 1))
(insert "#title ")))
(forward-line))
(goto-char (point-min))
(while (re-search-forward "\\\\\\(l\\)?dots{}" nil t)
(replace-match (concat (and (string= (match-string 1) "l") ".")
"...")))
(goto-char (point-min))
(while (re-search-forward "\\(``\\|''\\)" nil t)
(replace-match "\""))
(goto-char (point-min))
(while (re-search-forward "---" nil t)
(replace-match " -- "))
(goto-char (point-min))
(while (re-search-forward "\\\\tableofcontents" nil t)
(replace-match "<contents>"))
(goto-char (point-min))
(while (re-search-forward "\\\\\\\\" nil t)
(replace-match ""))
(goto-char (point-min))
(while (re-search-forward "\\\\\\(sub\\)?section{\\([^}]+\\)}" nil t)
(replace-match (concat (if (string= (match-string 1) "sub")
"**" "*")
" " (match-string 2))))
(goto-char (point-min))
(while (re-search-forward "\\\\\\(begin\\|end\\){verse}" nil t)
(replace-match (concat "<" (if (string= (match-string 1) "end") "/")
"verse>")))
(goto-char (point-min))
(while (re-search-forward "\\\\\\(begin\\|end\\){quote}\n" nil t)
(replace-match ""))
(goto-char (point-min))
(while (re-search-forward
"\\\\\\(emph\\|textbf\\){\\([^}]+?\\)\\(\\\\/\\)?}" nil t)
(replace-match
(if (string= (match-string 1) "emph") "*\\2*" "**\\2**")))
(let ((footnote-index 1))
(goto-char (point-min))
(while (re-search-forward
(concat "\\\\\\(q\\)?\\(footnote\\|excerpt\\)\\(np\\)?"
"\\({\\([^}]+\\)}\\)?"
"\\({\\([^}]+\\)}{\\([^}]+\\)}\\)?{\\([^}]+\\)}") nil t)
(let ((beg (match-beginning 0))
(end (match-end 0)))
(unless (string= (match-string 2) "footnote")
(if (null (match-string 1))
(insert " " (match-string 9))
(let ((b (point)) e)
(insert "\"" (match-string 9) "\"")
(setq e (point-marker))
(save-match-data
(save-excursion
(goto-char b)
(while (< (point) e)
(if (looking-at "\\s-+")
(delete-region (match-beginning 0)
(match-end 0)))
(forward-line))))
(set-marker e nil))))
(insert "[" (number-to-string footnote-index) "]")
(if (string= (match-string 2) "footnote")
(muse-i-l-write-footnote footnote-index (match-string 9))
(muse-i-l-write-citation footnote-index (match-string 5)
(match-string 7) (match-string 8)))
(setq footnote-index (1+ footnote-index))
(delete-region beg end))))
(goto-char (point-min))
(while (looking-at "\n") (delete-char 1))
(goto-char (point-min))
(while (re-search-forward "\n\n+" nil t)
(replace-match "\n\n")))
(provide 'muse-import-latex)
;;; muse-import-latex.el ends here
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