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#+TITLE: Authoring Content with ~org-mode~
#+SERIES: ../cleopatra.html
#+SERIES_PREV: ./coq.html
#+SERIES_NEXT: ./literate-programming.html
#+BEGIN_EXPORT html
<nav id="generate-toc"></nav>
<div id="history">site/cleopatra/org.org</div>
#+END_EXPORT
* Author Guidelines
* Implementation
#+begin_src makefile :tangle org.mk
EMACS := cleopatra-emacs
ORG_IN := $(shell find site/ -name "*.org")
ORG_OUT := $(ORG_IN:.org=.html)
org-prebuild : .emacs
org-build : ${ORG_OUT}
soupault-build : org-build
ARTIFACTS += ${ORG_OUT}
CONFIGURE += .emacs
EXPORT := --batch \
--load="${ROOT}/scripts/packages.el" \
--load="${ROOT}/scripts/export-org.el" \
2>> build.log
INIT := --batch --load="${ROOT}/scripts/packages.el" \
2>> build.log
.emacs : scripts/packages.el
@cleopatra echo Initiating "Emacs configuration"
@${EMACS} ${INIT}
@touch .emacs
%.html : %.org scripts/packages.el scripts/export-org.el \
.emacs org.mk
@cleopatra echo Exporting "$*.org"
@${EMACS} $< ${EXPORT}
#+end_src
#+begin_src emacs-lisp :tangle scripts/packages.el
(use-package ox-tufte :ensure t)
#+end_src
#+begin_src emacs-lisp :tangle scripts/export-org.el
(cleopatra:configure)
(org-babel-do-load-languages
'org-babel-load-languages
'((dot . t)
(shell . t)))
(setq org-export-with-toc nil
org-html-htmlize-output-type nil
org-export-with-section-numbers nil)
(add-to-list 'org-entities-user
'("im" "\\(" nil "<span class=\"imath\">" "" "" ""))
(add-to-list 'org-entities-user
'("mi" "\\)" nil "</span>" "" "" ""))
(defun with-keyword (keyword k)
"Look-up for keyword KEYWORD, and call continuation K with its value."
(pcase (org-collect-keywords `(,keyword))
(`((,keyword . ,kw))
(when kw (funcall k (string-join kw " "))))))
(defun get-keyword (keyword)
"Look-up for keyword KEYWORD, and returns its value"
(with-keyword keyword (lambda (x) x)))
(defun get-org-title (path)
"Fetch the title of an Org file whose path is PATH."
(with-temp-buffer
(find-file-read-only path)
(get-keyword "TITLE")))
(defun insert-title ()
"Insert the title of the article."
(with-keyword
"TITLE"
(lambda (title)
(insert
(format "\n\n@@html:<h1>@@ %s @@html:</h1>@@\n\n" title)))))
(defun insert-series ()
"Insert the series root link."
(with-keyword
"SERIES"
(lambda (series)
(insert "\n\n#+attr_html: :class series\n")
(insert series))))
(defun insert-series-prev ()
"Insert the series previous article link."
(with-keyword
"SERIES_PREV"
(lambda (series-prev)
(insert "\n\n#+attr_html: :class series-prev\n")
(insert series-prev))))
(defun insert-series-next ()
"Insert the series next article link."
(with-keyword
"SERIES_NEXT"
(lambda (series-next)
(insert "\n\n#+attr_html: :class series-next\n")
(insert series-next))))
(defun insert-nav ()
"Insert the navigation links."
(when (get-keyword "SERIES")
(insert "\n\n#+begin_nav\n")
(insert-series)
(insert-series-prev)
(insert-series-next)
(insert "\n\n#+end_nav\n")))
(beginning-of-buffer)
(insert-nav)
(insert-title)
(let ((outfile (org-export-output-file-name ".html"))
(org-html-footnotes-section "<!-- %s --><!-- %s -->"))
(org-export-to-file 'tufte-html outfile nil nil nil t))
#+end_src
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