mirror of https://github.com/yjwen/org-reveal.git
Embed JS.
This commit is contained in:
Yujie Wen
parent
74b9a3c8cb
commit
44f3e701f8
159
ox-reveal.el
159
ox-reveal.el
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@ -427,23 +427,52 @@ holding contextual information."
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:tag "Org Export Reveal"
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:group 'org-export)
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(defun org-reveal--read-file (file)
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"Return the content of file"
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(with-temp-buffer
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(insert-file-contents-literally file)
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(buffer-string)))
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(defun org-reveal-stylesheets (info)
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"Return the HTML contents for declaring reveal stylesheets
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using custom variable `org-reveal-root'."
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(let ((root-path (file-name-as-directory (plist-get info :reveal-root))))
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(let* ((root-path (file-name-as-directory (plist-get info :reveal-root)))
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(reveal-css (concat root-path "css/reveal.css"))
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(theme (plist-get info :reveal-theme))
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(theme-css (concat root-path "css/theme/" theme ".css"))
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;; Local file names.
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(local-root (replace-regexp-in-string "^file:///" "" root-path))
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(local-reveal-css (concat local-root "css/reveal.css"))
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(local-theme-css (concat local-root "css/theme/" theme ".css"))
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(in-single-file (plist-get info :reveal-single-file)))
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(concat
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;; stylesheets
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(format "
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<link rel=\"stylesheet\" href=\"%scss/reveal.css\"/>
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<link rel=\"stylesheet\" href=\"%scss/theme/%s.css\" id=\"theme\"/>
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"
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root-path root-path
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(plist-get info :reveal-theme))
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(if (and in-single-file
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(file-readable-p local-reveal-css)
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(file-readable-p local-theme-css))
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;; CSS files exist and are readable. Embed them.
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(concat "<style type=\"text/css\">\n"
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(org-reveal--read-file local-reveal-css)
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"\n"
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(org-reveal--read-file local-theme-css)
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"</style>\n")
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;; Fall-back to external CSS links.
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(if in-single-file
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;; Tried to embed CSS files but failed. Print a message about possible errors.
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(error (concat "Cannot read "
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(mapconcat 'identity
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(delq nil (mapcar (lambda (file) (if (not (file-readable-p file)) file))
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(list local-reveal-css local-theme-css)))
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", "))))
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;; Create links to CSS files.
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(concat "<link rel=\"stylesheet\" href=\"" reveal-css "\"/>\n"
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"<link rel=\"stylesheet\" href=\"" theme-css "\" id=\"theme\"/>\n"))
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;; extra css
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(let ((extra-css (plist-get info :reveal-extra-css)))
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(if extra-css (format "<link rel=\"stylesheet\" href=\"%s\"/>" extra-css) ""))
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;; print-pdf
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(format "
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(if in-single-file ""
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(format "
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<!-- If the query includes 'print-pdf', include the PDF print sheet -->
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<script>
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if( window.location.search.match( /print-pdf/gi ) ) {
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@ -455,7 +484,7 @@ using custom variable `org-reveal-root'."
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}
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</script>
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"
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root-path))))
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root-path)))))
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(defun org-reveal-mathjax-scripts (info)
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"Return the HTML contents for declaring MathJax scripts"
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@ -467,15 +496,37 @@ using custom variable `org-reveal-root'."
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(defun org-reveal-scripts (info)
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"Return the necessary scripts for initializing reveal.js using
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custom variable `org-reveal-root'."
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(let* ((root-path (file-name-as-directory (plist-get info :reveal-root))))
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(let* ((root-path (file-name-as-directory (plist-get info :reveal-root)))
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(head-min-js (concat root-path "lib/js/head.min.js"))
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(reveal-js (concat root-path "js/reveal.js"))
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;; Local files
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(local-root-path (replace-regexp-in-string "^file:///" "" root-path))
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(local-head-min-js (concat local-root-path "lib/js/head.min.js"))
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(local-reveal-js (concat local-root-path "js/reveal.js"))
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(in-single-file (plist-get info :reveal-single-file)))
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(concat
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;; reveal.js/lib/js/head.min.js
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;; reveal.js/js/reveal.js
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(format "
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<script src=\"%slib/js/head.min.js\"></script>
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<script src=\"%sjs/reveal.js\"></script>
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"
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root-path root-path)
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(if (and in-single-file
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(file-readable-p local-head-min-js)
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(file-readable-p local-reveal-js))
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;; Embed scripts into HTML
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(concat "<script>\n"
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(org-reveal--read-file local-head-min-js)
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"\n"
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(org-reveal--read-file local-reveal-js)
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"\n</script>")
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;; Fall-back to extern script links
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(if in-single-file
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;; Tried to embed scripts but failed. Print a message about possible errors.
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(error (concat "Cannot read "
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(mapconcat 'identity
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(delq nil (mapcar (lambda (file) (if (not (file-readable-p file)) file))
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(list local-head-min-js local-reveal-js)))
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", "))))
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(concat
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"<script src=\"" head-min-js "\"></script>\n"
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"<script src=\"" reveal-js "\"></script>\n"))
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;; plugin headings
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"
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<script>
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@ -545,48 +596,50 @@ transitionSpeed: '%s',\n"
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(plist-get info :reveal-multiplex-url)))
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;; optional JS library heading
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"
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(if in-single-file ""
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(concat
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"
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// Optional libraries used to extend on reveal.js
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dependencies: [
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"
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;; JS libraries
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(let* ((builtins
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'(classList (format " { src: '%slib/js/classList.js', condition: function() { return !document.body.classList; } }" root-path)
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markdown (format " { src: '%splugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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;; JS libraries
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(let* ((builtins
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'(classList
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(format " { src: '%slib/js/classList.js', condition: function() { return !document.body.classList; } }" root-path)
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markdown (format " { src: '%splugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: '%splugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } }" root-path root-path)
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highlight (format " { src: '%splugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } }" root-path)
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zoom (format " { src: '%splugin/zoom-js/zoom.js', async: true, condition: function() { return !!document.body.classList; } }" root-path)
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notes (format " { src: '%splugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } }" root-path)
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search (format " { src: '%splugin/search/search.js', async: true, condition: function() { return !!document.body.classList; } }" root-path)
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remotes (format " { src: '%splugin/remotes/remotes.js', async: true, condition: function() { return !!document.body.classList; } }" root-path)
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multiplex (format " { src: '%s', async: true },\n%s"
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(plist-get info :reveal-multiplex-socketio-url)
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; following ensures that either client.js or master.js is included depending on defva client-multiplex value state
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(if (not client-multiplex)
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(progn
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(if (plist-get info :reveal-multiplex-secret)
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(setq client-multiplex t))
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(format " { src: '%splugin/multiplex/master.js', async: true }" root-path))
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(format " { src: '%splugin/multiplex/client.js', async: true }" root-path)))))
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(builtin-codes
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(mapcar
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(lambda (p)
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(eval (plist-get builtins p)))
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(let ((buffer-plugins (plist-get info :reveal-plugins)))
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(cond
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((string= buffer-plugins "") ())
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(buffer-plugins (car (read-from-string buffer-plugins)))
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(t org-reveal-plugins)))))
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(extra-codes (plist-get info :reveal-extra-js))
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(total-codes
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(if (string= "" extra-codes) builtin-codes
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(append (list extra-codes) builtin-codes))))
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(mapconcat 'identity total-codes ",\n"))
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"
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]
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});
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</script>\n")))
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highlight (format " { src: '%splugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } }" root-path)
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zoom (format " { src: '%splugin/zoom-js/zoom.js', async: true, condition: function() { return !!document.body.classList; } }" root-path)
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notes (format " { src: '%splugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } }" root-path)
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search (format " { src: '%splugin/search/search.js', async: true, condition: function() { return !!document.body.classList; } }" root-path)
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remotes (format " { src: '%splugin/remotes/remotes.js', async: true, condition: function() { return !!document.body.classList; } }" root-path)
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multiplex (format " { src: '%s', async: true },\n%s"
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(plist-get info :reveal-multiplex-socketio-url)
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; following ensures that either client.js or master.js is included depending on defva client-multiplex value state
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(if (not client-multiplex)
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(progn
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(if (plist-get info :reveal-multiplex-secret)
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(setq client-multiplex t))
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(format " { src: '%splugin/multiplex/master.js', async: true }" root-path))
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(format " { src: '%splugin/multiplex/client.js', async: true }" root-path)))))
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(builtin-codes
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(mapcar
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(lambda (p)
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(eval (plist-get builtins p)))
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(let ((buffer-plugins (plist-get info :reveal-plugins)))
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(cond
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((string= buffer-plugins "") ())
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(buffer-plugins (car (read-from-string buffer-plugins)))
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(t org-reveal-plugins)))))
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(extra-codes (plist-get info :reveal-extra-js))
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(total-codes
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(if (string= "" extra-codes) builtin-codes
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(append (list extra-codes) builtin-codes))))
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(mapconcat 'identity total-codes ",\n"))
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"]\n"
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)
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"\n")
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"});\n</script>\n")))
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(defun org-reveal-toc (depth info)
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"Build a slide of table of contents."
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