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org-e-html: Support for generating TOC
This commit is contained in:
Jambunathan K
parent
2239d74fd9
commit
8fc0dc2f58
@ -987,10 +987,6 @@ that uses these same face definitions."
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(defvar org-lparse-dyn-first-heading-pos)
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(defun org-e-html-end-export ()
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;; insert the table of contents
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(when (and org-export-with-toc (not body-only) org-lparse-toc)
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(org-e-html-insert-toc org-lparse-toc))
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;; Convert whitespace place holders
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(goto-char (point-min))
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(let (beg end n)
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@ -1014,117 +1010,75 @@ that uses these same face definitions."
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(defun org-e-html-format-toc-entry (snumber todo headline tags href)
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(setq headline (concat
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(and org-export-with-section-numbers
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(concat snumber " "))
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;; section number
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(and org-export-with-section-numbers (concat snumber " "))
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;; headline
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headline
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(and tags
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(concat
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(org-lparse-format 'SPACES 3)
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(org-lparse-format 'FONTIFY tags "tag")))))
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(when todo
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(setq headline (org-lparse-format 'FONTIFY headline "todo")))
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(org-lparse-format 'LINK headline (concat "#" href)))
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;; tags
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(and tags (concat
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(org-e-html-format-spaces 3)
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(org-e-html-format-fontify tags "tag")))))
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;; fontify headline based on TODO keyword
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(when todo (setq headline (org-e-html-format-fontify headline "todo")))
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(org-e-html-format-link headline (concat "#" href)))
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(defun org-e-html-format-toc-item (toc-entry level org-last-level)
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(when (> level org-last-level)
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(let ((cnt (- level org-last-level)))
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(while (>= (setq cnt (1- cnt)) 0)
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(org-lparse-begin-list 'unordered)
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(org-lparse-begin-list-item 'unordered))))
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(when (< level org-last-level)
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(let ((cnt (- org-last-level level)))
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(while (>= (setq cnt (1- cnt)) 0)
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(org-lparse-end-list-item-1)
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(org-lparse-end-list 'unordered))))
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(defun org-e-html-toc-entry-formatter
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(level snumber todo todo-type priority
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headline tags target extra-targets extra-class)
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(org-e-html-format-toc-entry snumber todo headline tags target))
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(org-lparse-end-list-item-1)
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(org-lparse-begin-list-item 'unordered)
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(insert toc-entry))
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(defun org-e-html-make-string (n string)
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(let (out) (dotimes (i n out) (setq out (concat string out)))))
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(defun org-e-html-begin-toc (lang-specific-heading max-level)
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(org-lparse-insert-tag "<div id=\"table-of-contents\">")
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(insert
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(org-lparse-format 'HEADING lang-specific-heading
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(or (org-lparse-get 'TOPLEVEL-HLEVEL) 1)))
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(org-lparse-insert-tag "<div id=\"text-table-of-contents\">")
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(org-lparse-begin-list 'unordered)
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(org-lparse-begin-list-item 'unordered))
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(defun org-e-html-toc-text (toc-entries)
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(let* ((prev-level (1- (nth 1 (car toc-entries))))
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(start-level prev-level))
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(concat
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(mapconcat
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(lambda (entry)
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(let ((headline (nth 0 entry))
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(level (nth 1 entry)))
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(concat
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(let* ((cnt (- level prev-level))
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(times (if (> cnt 0) (1- cnt) (- cnt)))
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rtn)
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(setq prev-level level)
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(concat
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(org-e-html-make-string
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times (cond ((> cnt 0) "<ul>\n<li>\n")
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((< cnt 0) "</li>\n</ul>\n")))
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(if (> cnt 0) "<ul>\n<li>\n" "</li>\n<li>\n")))
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headline)))
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toc-entries "")
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(org-e-html-make-string
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(- prev-level start-level) "</li>\n</ul>\n"))))
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(defun org-e-html-end-toc ()
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(while (> org-last-level (1- org-min-level))
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(setq org-last-level (1- org-last-level))
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(org-lparse-end-list-item-1)
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(org-lparse-end-list 'unordered))
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(org-lparse-insert-tag "</div>")
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(org-lparse-insert-tag "</div>")
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(defun org-e-html-toc (depth info)
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(assert (wholenump depth))
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(let* ((headlines (org-export-collect-headlines info depth))
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(toc-entries
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(loop for headline in headlines collect
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(list (org-e-html-headline-text
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headline info 'org-e-html-toc-entry-formatter)
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(org-export-get-relative-level headline info)))))
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(when toc-entries
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(let* ((lang-specific-heading "Table of Contents")) ; FIXME
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(concat
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"<div id=\"table-of-contents\">\n"
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(org-e-html-format-heading lang-specific-heading
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(or org-e-html-toplevel-hlevel 1))
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"<div id=\"text-table-of-contents\">"
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(org-e-html-toc-text toc-entries)
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"</div>\n"
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"</div>\n")))))
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;; cleanup empty list items in toc
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(while (re-search-backward "<li>[ \r\n\t]*</li>\n?" (point-min) t)
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(replace-match "")))
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;;;###autoload
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(defun org-export-as-html-and-open (arg)
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"Export the outline as HTML and immediately open it with a browser.
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If there is an active region, export only the region.
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The prefix ARG specifies how many levels of the outline should become
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headlines. The default is 3. Lower levels will become bulleted lists."
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(interactive "P")
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(error "FIXME"))
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;;;###autoload
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(defun org-export-as-html-batch ()
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"Call the function `org-lparse-batch'.
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This function can be used in batch processing as:
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emacs --batch
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--load=$HOME/lib/emacs/org.el
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--eval \"(setq org-export-headline-levels 2)\"
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--visit=MyFile --funcall org-export-as-html-batch"
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(error "FIXME"))
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;;;###autoload
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(defun org-export-as-html-to-buffer (arg)
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"Call `org-lparse-to-buffer` with output to a temporary buffer.
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No file is created. The prefix ARG is passed through to `org-lparse-to-buffer'."
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(interactive "P")
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(error "FIXME"))
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;;;###autoload
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(defun org-replace-region-by-html (beg end)
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"Assume the current region has org-mode syntax, and convert it to HTML.
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This can be used in any buffer. For example, you could write an
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itemized list in org-mode syntax in an HTML buffer and then use this
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command to convert it."
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(interactive "r")
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(error "FIXME"))
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;;;###autoload
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(defun org-export-region-as-html (beg end &optional body-only buffer)
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"Convert region from BEG to END in `org-mode' buffer to HTML.
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If prefix arg BODY-ONLY is set, omit file header, footer, and table of
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contents, and only produce the region of converted text, useful for
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cut-and-paste operations.
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If BUFFER is a buffer or a string, use/create that buffer as a target
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of the converted HTML. If BUFFER is the symbol `string', return the
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produced HTML as a string and leave not buffer behind. For example,
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a Lisp program could call this function in the following way:
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(setq html (org-export-region-as-html beg end t 'string))
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When called interactively, the output buffer is selected, and shown
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in a window. A non-interactive call will only return the buffer."
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(interactive "r\nP")
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(error "FIXME"))
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;;; org-export-as-html
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;;;###autoload
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(defun org-export-as-html (arg &optional hidden ext-plist
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to-buffer body-only pub-dir)
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"Export the outline as a pretty HTML file.
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Use `org-lparse' internally to perform the actual export. This
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routine merely binds the TARGET-BACKEND and NATIVE-BACKEND args
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of `org-lparse' to \"html\"."
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(interactive "P")
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(error "FIXME"))
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;; FIXME: Legacy interactive functions
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;; org-export-as-html-and-open
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;; org-export-as-html-batch
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;; org-export-as-html-to-buffer
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;; org-replace-region-by-html
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;; org-export-region-as-html
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;; org-export-as-html
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(defun org-e-html-begin-outline (level1 snumber title tags
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target extra-targets extra-class)
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@ -2194,18 +2148,23 @@ original parsed data. INFO is a plist holding export options."
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(or link-home link-up))))
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;; preamble
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(org-e-html-preamble info)
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;; content
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;; begin content
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(format "
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<div id=\"%s\">" (or org-e-html-content-div
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(nth 1 org-e-html-divs)))
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;; document title
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(format "
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<h1 class=\"title\"> %s </h1>\n" (plist-get info :title))
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;; table of contents
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(let ((depth (plist-get info :with-toc)))
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(when (wholenump depth) (org-e-html-toc depth info)))
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;; document contents
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contents
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;; footnotes section
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(org-e-html-footnote-section info)
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;; bibliography
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(org-e-html-bibliography)
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;; end content
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(unless body-only
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"
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</div>")
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@ -2542,6 +2501,44 @@ CONTENTS is nil. INFO is a plist holding contextual information."
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(list (if (member todo org-done-keywords) "done" "todo")
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todo))))
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(defvar org-e-html-headline-formatter
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(lambda (level snumber todo todo-type priority
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title tags target extra-targets extra-class)
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(concat snumber " " title)))
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(defun org-e-html-headline-text (headline info &optional formatter)
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"Transcode an HEADLINE element from Org to HTML.
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CONTENTS holds the contents of the headline. INFO is a plist
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holding contextual information."
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(let* ((numberedp (plist-get info :section-numbers))
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(level (org-export-get-relative-level headline info))
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(todo (and (plist-get info :with-todo-keywords)
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(let ((todo (org-element-get-property
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:todo-keyword headline)))
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(and todo
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(org-export-secondary-string todo 'e-html info)))))
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(todo-type (and todo (org-element-get-property :todo-type headline)))
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(priority (and (plist-get info :with-priority)
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(org-element-get-property :priority headline)))
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(text (org-export-secondary-string
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(org-element-get-property :title headline) 'e-html info))
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(tags (and (plist-get info :with-tags)
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(org-element-get-property :tags headline)))
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(headline-no (org-export-get-headline-number headline info))
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(headline-label
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(format "sec-%s" (mapconcat 'number-to-string headline-no "-")))
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(headline-labels (list headline-label))
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(headline-no (org-export-get-headline-number headline info))
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(section-no (mapconcat 'number-to-string headline-no "."))
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(primary-target (car (last headline-labels)))
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(secondary-targets (butlast headline-labels))
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(extra-class nil)
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(formatter (or (and (functionp formatter) formatter)
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org-e-html-headline-formatter)))
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(funcall formatter level section-no todo todo-type priority
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text tags primary-target secondary-targets extra-class)))
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(defun org-e-html-headline (headline contents info)
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"Transcode an HEADLINE element from Org to HTML.
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CONTENTS holds the contents of the headline. INFO is a plist
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@ -2801,10 +2798,7 @@ CONTENTS is nil. INFO is a plist holding contextual information."
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(let ((depth (or (and (string-match "[0-9]+" value)
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(string-to-number (match-string 0 value)))
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(plist-get info :with-toc))))
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(concat
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(when (wholenump depth)
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(format "\\setcounter{tocdepth}{%s}\n" depth))
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"\\tableofcontents")))
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(when (wholenump depth) (org-e-html-toc depth info))))
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((string= "tables" value) "\\listoftables")
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((string= "figures" value) "\\listoffigures")
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((string= "listings" value)
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