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From: Brett Viren <bv@bnl.gov>
To: Eric Schulte <schulte.eric@gmail.com>
Cc: emacs-orgmode@gnu.org, Nicolas Goaziou <n.goaziou@gmail.com>
Subject: Re: Org mode and "shunt" exporters?
Date: Fri, 13 Dec 2013 18:06:04 -0500	[thread overview]
Message-ID: <ir4zjo4mjvn.fsf@lycastus.phy.bnl.gov> (raw)
In-Reply-To: <87mwk4mtv4.fsf@gmail.com> (Eric Schulte's message of "Fri, 13 Dec 2013 12:29:18 -0700")

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Hi Eric,

Eric Schulte <schulte.eric@gmail.com> writes:

> This should work in a recent Emacs.
>
>     (require 'json)
>     (defun org-as-json-to-file (&optional path)
>       "Export the current Org-mode buffer as JSON to the supplied PATH."
>       (interactive "Fwrite to file: ")
>       (let ((tree (org-element-parse-buffer)))
>         (org-element-map tree
>             (append org-element-all-objects org-element-all-elements)
>           (lambda (el) (org-element-put-property el :parent nil)))
>         (with-temp-file path
>           (insert (json-encode tree)))))

Thanks.  With this, Nicolas's and all the other input I've got something
working now.  There was still one small issue I found with this last
round.  The :structure property also causes an error inside json.el
like:

  json-encode-key: Bad JSON object key: 105

But, for now, nulling :structure in the same way as :parent let's me
chain org->JSON->Python!  The first elisp code block in the test doc
below works.

Thanks for all the patient help from everyone.  I've learned a lot.

-Brett.


#+TITLE: The Title.
Blah blah blah.
* A heading.
This uses http://edward.oconnor.cx/2006/03/json.el
 - foo
 - bar
 - baz
#+BEGIN_SRC elisp
  (require 'json)
  (let* ((tree (org-element-parse-buffer 'object nil)))
    (org-element-map tree (append org-element-all-elements
    org-element-all-objects '(plain-text))
      (lambda (x) 
        (if (org-element-property :parent x)
            (org-element-put-property x :parent "none"))
        (if (org-element-property :structure x)
            (org-element-put-property x :structure "none"))
        ;; (if (eq (org-element-type x) 'plain-text)
        ;;     (org-element-set-contents x (substring-no-properties 
        ;;                                  (org-element-contents x))))
        ))
    (write-region
     (json-encode tree) 
     ;(prin1-to-string tree)
      nil "foo.dat"))
#+END_SRC

#+RESULTS:

* From Eric Schultz
#+BEGIN_SRC elisp
  (require 'json)
  (defun org-as-json-to-file (&optional path)
    "Export the current Org-mode buffer as JSON to the supplied PATH."
    (interactive "Fwrite to file: ")
    (let ((tree (org-element-parse-buffer)))
      (org-element-map tree
          (append org-element-all-objects org-element-all-elements)
        (lambda (el) (org-element-put-property el :parent "none")))
      (with-temp-file path
        (insert (json-encode tree)))))
  (org-as-json-to-file "eric.txt")
#+END_SRC

* Try some hand written data
#+BEGIN_SRC elisp
  (require 'json)
  (with-current-buffer (find-file-noselect "foo.dat")
    (let ((tree (read (current-buffer))))
      (prin1-to-string (json-encode tree))))
#+END_SRC



 

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next prev parent reply	other threads:[~2013-12-13 23:06 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-05 20:30 Org mode and "shunt" exporters? Brett Viren
2013-12-06  2:10 ` Eric Schulte
2013-12-09 17:38   ` Brett Viren
2013-12-09 19:55     ` Nicolas Goaziou
2013-12-13 18:26       ` Brett Viren
2013-12-13 19:05         ` Nicolas Goaziou
2013-12-13 19:29           ` Eric Schulte
2013-12-13 23:06             ` Brett Viren [this message]
2013-12-06 13:02 ` John Kitchin
2013-12-12 16:30   ` Brett Viren
2013-12-12 17:22     ` John Kitchin
2013-12-12 19:24       ` Eric Schulte
2013-12-12 19:50       ` Aaron Ecay
2013-12-12 19:58         ` Matt Price
2013-12-13  2:53           ` John Kitchin
2013-12-13 19:02           ` Brett Viren

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