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;;; muse-book.el --- publish entries into a compilation
;; 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:
;;; Contributors:
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Muse Book Publishing
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'muse-publish)
(require 'muse-project)
(require 'muse-latex)
(require 'muse-regexps)
(defgroup muse-book nil
"Module for publishing a series of Muse pages as a complete book.
Each page will become a separate chapter in the book, unless the
style keyword :nochapters is used, in which case they are all run
together as if one giant chapter."
:group 'muse-publish)
(defcustom muse-book-before-publish-hook nil
"A hook run in the book buffer before it is marked up."
:type 'hook
:group 'muse-book)
(defcustom muse-book-after-publish-hook nil
"A hook run in the book buffer after it is marked up."
:type 'hook
:group 'muse-book)
(defcustom muse-book-latex-header
"\\documentclass{book}
\\usepackage[english]{babel}
\\usepackage[latin1]{inputenc}
\\usepackage[T1]{fontenc}
\\begin{document}
\\title{<lisp>(muse-publishing-directive \"title\")</lisp>}
\\author{<lisp>(muse-publishing-directive \"author\")</lisp>}
\\date{<lisp>(muse-publishing-directive \"date\")</lisp>}
\\maketitle
\\tableofcontents\n"
"Header used for publishing books to LaTeX. This may be text or a filename."
:type 'string
:group 'muse-book)
(defcustom muse-book-latex-footer
"<lisp>(muse-latex-bibliography)</lisp>
\\end{document}"
"Footer used for publishing books to LaTeX. This may be text or a filename."
:type 'string
:group 'muse-book)
(defun muse-book-publish-chapter (title entry style &optional nochapters)
"Publish the chapter TITLE for the file ENTRY using STYLE.
TITLE is a string, ENTRY is a cons of the form (PAGE-NAME .
FILE), and STYLE is a Muse style list.
This routine does the same basic work as `muse-publish-markup-buffer',
but treating the page as if it were a single chapter within a book."
(let ((muse-publishing-directives (list (cons "title" title)))
(muse-publishing-current-file (cdr entry))
(beg (point)) end)
(muse-insert-file-contents (cdr entry))
(setq end (copy-marker (point-max) t))
(muse-publish-markup-region beg end (car entry) style)
(goto-char beg)
(unless (or nochapters
(muse-style-element :nochapters style))
(insert "\n")
(muse-insert-markup (muse-markup-text 'chapter))
(insert (let ((chap (muse-publishing-directive "title")))
(if (string= chap title)
(car entry)
chap)))
(muse-insert-markup (muse-markup-text 'chapter-end))
(insert "\n\n"))
(save-restriction
(narrow-to-region beg end)
(muse-publish-markup (or title "")
'((100 "<\\(lisp\\)>" 0
muse-publish-markup-tag)))
(muse-style-run-hooks :after style))
(goto-char end)))
(defun muse-book-publish-p (project target)
"Determine whether the book in PROJECT is out-of-date."
(let ((pats (cadr project)))
(catch 'publish
(while pats
(if (symbolp (car pats))
(if (eq :book-end (car pats))
(throw 'publish nil)
;; skip past symbol-value pair
(setq pats (cddr pats)))
(dolist (entry (muse-project-file-entries (car pats)))
(when (and (not (muse-project-private-p (cdr entry)))
(file-newer-than-file-p (cdr entry) target))
(throw 'publish t)))
(setq pats (cdr pats)))))))
(defun muse-book-get-directives (file)
"Interpret any publishing directives contained in FILE.
This is meant to be called in a temp buffer that will later be
used for publishing."
(save-restriction
(narrow-to-region (point) (point))
(unwind-protect
(progn
(muse-insert-file-contents file)
(muse-publish-markup
"attributes"
`(;; Remove leading and trailing whitespace from the file
(100 "\\(\\`\n+\\|\n+\\'\\)" 0 "")
;; Remove trailing whitespace from all lines
(200 ,(concat "[" muse-regexp-blank "]+$") 0 "")
;; Handle any leading #directives
(300 "\\`#\\([a-zA-Z-]+\\)\\s-+\\(.+\\)\n+"
0 muse-publish-markup-directive))))
(delete-region (point-min) (point-max)))))
(defun muse-book-publish-project
(project book title style &optional output-dir force)
"Publish PROJECT under the name BOOK with the given TITLE and STYLE.
BOOK should be a page name, i.e., letting the style determine the
prefix and/or suffix. The book is published to OUTPUT-DIR. If FORCE
is nil, the book is only published if at least one of its component
pages has changed since it was last published."
(interactive
(let ((project (muse-read-project "Publish project as book: " nil t)))
(append (list project
(read-string "Basename of book (without extension): ")
(read-string "Title of book: "))
(muse-publish-get-info))))
(setq project (muse-project project))
(let ((muse-current-project project))
;; See if any of the project's files need saving first
(muse-project-save-buffers project)
;; Publish the book
(muse-book-publish book style output-dir force title)))
(defun muse-book-publish (file style &optional output-dir force title)
"Publish FILE as a book with the given TITLE and STYLE.
The book is published to OUTPUT-DIR. If FORCE is nil, the book
is only published if at least one of its component pages has
changed since it was last published."
;; Cleanup some of the arguments
(let ((style-name style))
(setq style (muse-style style))
(unless style
(error "There is no style '%s' defined" style-name)))
;; Publish each page in the project as a chapter in one large book
(let* ((output-path (muse-publish-output-file file output-dir style))
(output-suffix (muse-style-element :osuffix style))
(target output-path)
(project muse-current-project)
(published nil))
(when output-suffix
(setq target (concat (muse-path-sans-extension target)
output-suffix)))
;; Unless force is non-nil, determine if the book needs publishing
(if (and (not force)
(not (muse-book-publish-p project target)))
(message "The book \"%s\" is up-to-date." file)
;; Create the book from all its component parts
(muse-with-temp-buffer
(let ((style-final (muse-style-element :final style t))
(style-header (muse-style-element :header style))
(style-footer (muse-style-element :footer style))
(muse-publishing-current-style style)
(muse-publishing-directives
(list (cons "title" (or title (muse-page-name file)))
(cons "date" (format-time-string "%B %e, %Y"))))
(muse-publishing-p t)
(muse-current-project project)
(pats (cadr project))
(nochapters nil))
(run-hooks 'muse-before-book-publish-hook)
(let ((style-final style-final)
(style-header style-header)
(style-footer style-footer))
(unless title
(muse-book-get-directives file)
(setq title (muse-publishing-directive "title")))
(while pats
(if (symbolp (car pats))
(cond
((eq :book-part (car pats))
(insert "\n")
(muse-insert-markup (muse-markup-text 'part))
(insert (cadr pats))
(muse-insert-markup (muse-markup-text 'part-end))
(insert "\n")
(setq pats (cddr pats)))
((eq :book-chapter (car pats))
(insert "\n")
(muse-insert-markup (muse-markup-text 'chapter))
(insert (cadr pats))
(muse-insert-markup (muse-markup-text 'chapter-end))
(insert "\n")
(setq pats (cddr pats)))
((eq :nochapters (car pats))
(setq nochapters t
pats (cddr pats)))
((eq :book-style (car pats))
(setq style (muse-style (cadr pats)))
(setq style-final (muse-style-element :final style t)
style-header (muse-style-element :header style)
style-footer (muse-style-element :footer style)
muse-publishing-current-style style)
(setq pats (cddr pats)))
((eq :book-funcall (car pats))
(funcall (cadr pats))
(setq pats (cddr pats)))
((eq :book-end (car pats))
(setq pats nil))
(t
(setq pats (cddr pats))))
(let ((entries (muse-project-file-entries (car pats))))
(while (and entries (car entries) (caar entries))
(unless (muse-project-private-p (cdar entries))
(muse-book-publish-chapter title (car entries)
style nochapters)
(setq published t))
(setq entries (cdr entries))))
(setq pats (cdr pats)))))
(goto-char (point-min))
(if style-header (muse-insert-file-or-string style-header file))
(goto-char (point-max))
(if style-footer (muse-insert-file-or-string style-footer file))
(run-hooks 'muse-after-book-publish-hook)
(if (muse-write-file output-path)
(if style-final
(funcall style-final file output-path target))
(setq published nil)))))
(if published
(message "The book \"%s\" has been published." file))
published))
;;; Register the Muse BOOK Publishers
(muse-derive-style "book-latex" "latex"
:header 'muse-book-latex-header
:footer 'muse-book-latex-footer
:publish 'muse-book-publish)
(muse-derive-style "book-pdf" "pdf"
:header 'muse-book-latex-header
:footer 'muse-book-latex-footer
:publish 'muse-book-publish)
(provide 'muse-book)
;;; muse-book.el ends here