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From: Nicolas Goaziou <n.goaziou@gmail.com>
To: Bastien <bzg@gnu.org>
Cc: Leonard Randall <leonard.a.randall@gmail.com>,
	emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: Moving footnotes
Date: Sat, 31 May 2014 11:30:41 +0200	[thread overview]
Message-ID: <87fvjqthvi.fsf@gmail.com> (raw)
In-Reply-To: <87ppiv8jdv.fsf@bzg.ath.cx> (Bastien's message of "Fri, 30 May 2014 15:51:24 +0200")

Bastien <bzg@gnu.org> writes:

> Nicolas Goaziou <n.goaziou@gmail.com> writes:

>> All in all, I'm not convinced this should be a function provided in Org.
>
> Okay.  Still, it's useful to have it *somewhere*.  If you have a
> moment, could you revert the commit

Done.

> rewrite the function with the suggested enhancements

Here it is. It could be prettier but I think it should get the job done.

(defun org-footnote-inline-footnotes ()
  "Convert external footnotes into inline ones."
  (interactive)
  (org-with-wide-buffer
   (let ((random-labels (make-hash-table :test #'equal)) failed seen)
     (goto-char (point-min))
     (while (re-search-forward org-footnote-re nil t)
       (let ((context (save-excursion (backward-char) (org-element-context))))
         ;; Ignore false positives.
         (when (eq (org-element-type context) 'footnote-reference)
           (let ((label (org-element-property :label context)))
             ;; Ignore anonymous footnotes.
             (when label
               (if (member label seen)
                   (let ((normalized-label (gethash label random-labels)))
                     (when normalized-label
                       (search-backward "[" nil t)
                       (forward-char)
                       (insert normalized-label)
                       (delete-region
                        (point)
                        (progn (skip-chars-forward "0-9") (point)))))
                 (push label seen)
                 (when (eq (org-element-property :type context) 'standard)
                   (let ((beg (copy-marker (org-element-property :begin context)))
                         (end (copy-marker
                               (save-excursion
                                 (goto-char (org-element-property :end context))
                                 (skip-chars-backward " \t")
                                 (point))))
                         (definition
                           (save-excursion
                             (goto-char (point-min))
                             (catch 'exit
                               (while (re-search-forward
                                       (format "^\\[%s\\]" (regexp-quote label))
                                       nil t)
                                 (let ((def (save-excursion
                                              (backward-char) (org-element-at-point))))
                                   (when (eq (org-element-type def) 'footnote-definition)
                                     (let ((cbeg (org-element-property :contents-begin def))
                                           (cend (org-element-property :contents-end def)))
                                       ;; Ensure definition can be inline,
                                       ;; i.e., contains a single
                                       ;; paragraph. Return nil if it
                                       ;; cannot.
                                       (if (not cbeg) (throw 'exit "")
                                         (goto-char cbeg)
                                         (let ((contents (org-element-at-point)))
                                           (if (or (not (eq (org-element-type contents) 'paragraph))
                                                   (< (org-element-property :end contents) cend))
                                               (throw 'exit nil)
                                             (throw 'exit
                                                    (prog1 (org-trim (buffer-substring cbeg cend))
                                                      (delete-region
                                                       (org-element-property :begin def)
                                                       (org-element-property :end def)))))))))))))))
                     (if (not definition) (push label failed)
                       (delete-region beg end)
                       (goto-char beg)
                       ;; Convert [1] to [fn:random-id] to avoid
                       ;; confusion between [1] and [fn:1].
                       (let ((normalized-label
                              (if (not (org-string-match-p "\\`[0-9]+\\'" label))
                                  label
                                (require 'org-id)
                                (puthash
                                 label
                                 (concat "fn:" (substring (org-id-uuid) 0 8))
                                 random-labels))))
                         (insert "[" normalized-label ":" definition "]")))
                     (set-marker beg nil)
                     (set-marker end nil)))))))))
     (cond (failed (user-error "Some footnotes could not be converted : %s"
                               (mapconcat #'identity failed ", ")))
           ;; If process completed without failure, there is no regular
           ;; footnote definition left, so we remove footnote sections,
           ;; if any.
           (org-footnote-section
            (goto-char (point-min))
            (let ((section-re (concat "^\\*+ " org-footnote-section "[ \t]*$")))
              (while (re-search-forward section-re nil t)
                (delete-region (match-beginning 0) (org-end-of-subtree t t))))))
     (message "Footnotes successfully inlined."))))

> and add it to worg/org-hacks.org?

I suggest to test it first.

> PS: I think it's useful to trigger the org-footnote-action menu
> when org-footnote-new cannot do anything useful.

Sure, I will add it back later today, unless you're faster than me.


Regards,

-- 
Nicolas Goaziou

  reply	other threads:[~2014-05-31  9:30 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-21 12:23 Moving footnotes Leonard Randall
2014-05-21 16:39 ` Nicolas Goaziou
2014-05-30 12:57 ` Bastien
2014-05-30 13:35   ` Nicolas Goaziou
2014-05-30 13:51     ` Bastien
2014-05-31  9:30       ` Nicolas Goaziou [this message]
2014-05-31 11:09         ` Bastien
2014-06-01  6:48           ` Nicolas Goaziou
2014-06-01  8:49             ` Bastien
2014-06-02 12:10               ` Leonard Avery Randall

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