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From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
To: Christoph LANGE <math.semantic.web@gmail.com>
Cc: "emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>
Subject: Re: Two functions for efficient headline navigation
Date: Mon, 22 Feb 2016 09:39:06 +0100	[thread overview]
Message-ID: <87wppx16mt.fsf@nicolasgoaziou.fr> (raw)
In-Reply-To: <56CA022F.7020002@gmail.com> (Christoph LANGE's message of "Sun, 21 Feb 2016 19:30:07 +0100")

Hello,

Christoph LANGE <math.semantic.web@gmail.com> writes:

> Related to these functions I have a comment on Org's design.
> org-jump-to-child (prompts for the title of a sub-heading of the current
> heading and navigates there) was fairly complex to implement.  Coming
> from an XML background I was surprised to see that Org has no notion of
> a data model or of the semantics of a document and its tree, but that I
> was basically required to implement an algorithm to walk through all
> sub-headings and collect them.  Has an implementation based on a data
> model ever been considered?

See

  (org-with-wide-buffer
   (org-narrow-to-subtree)
   (org-element-parse-buffer 'headline))

and

  `org-element-map'

Also, `org-map-entries' could do the job, with a `tree' SCOPE and an
appropriate MATCH (e.g. "LEVEL>N" where N is the current level).

Regards,

-- 
Nicolas Goaziou

      reply	other threads:[~2016-02-22  8:37 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-21 18:30 Two functions for efficient headline navigation Christoph LANGE
2016-02-22  8:39 ` Nicolas Goaziou [this message]

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