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From: Alan Schmitt <alan.schmitt@polytechnique.org>
To: emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: doc patch: move footnote in external links
Date: Mon, 12 Jan 2015 12:12:21 +0100	[thread overview]
Message-ID: <m24mrws162.fsf@polytechnique.org> (raw)
In-Reply-To: <87lhl8e6db.fsf@nicolasgoaziou.fr> (Nicolas Goaziou's message of "Mon, 12 Jan 2015 09:43:44 +0100")

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On 2015-01-12 09:43, Nicolas Goaziou <mail@nicolasgoaziou.fr> writes:

> Alan Schmitt <alan.schmitt@polytechnique.org> writes:
>
>> I don't understand: won't you need the "[33%]" bit for an exact
>> search?
>
> A statistics cookie is a variable part. If it ever changes, all your
> links become invalid. It is better to simply ignore them (which is
> already the case).

OK. I see that the current regexp for headline matching is defined as
follows:

#+begin_src emacs-lisp
(concat "^\\(\\*+\\)"
        "\\(?: +" org-todo-regexp "\\)?"
        "\\(?: +\\(\\[#.\\]\\)\\)?"
        "\\(?: +"
        ;; Stats cookies can be stuck to body.
        "\\(?:\\[[0-9%%/]+\\] *\\)*"
        "\\(%s\\)"
        "\\(?: *\\[[0-9%%/]+\\]\\)*"
        "\\)"
        (org-re "\\(?:[ \t]+\\(:[[:alnum:]_@#%%:]+:\\)\\)?")
        "[ \t]*$")
#+end_src

used like this (the regexp is `org-complex-heading-regexp-format'):

#+begin_src emacs-lisp
(re-search-forward (format org-complex-heading-regexp-format
                           (regexp-quote s))
                   nil t)
#+end_src

I see that the cookie is ignored, but it seems that it can only be at
the end of the searched heading.

The approach taken in ox.el is different: it gets rid of the cookie in
the found headlines:

#+begin_src emacs-lisp
(org-element-map data 'headline
  (lambda (headline)
    (when (equal (org-split-string
		  (replace-regexp-in-string
		   "\\[[0-9]+%\\]\\|\\[[0-9]+/[0-9]+\\]" ""
		   (org-element-property :raw-value headline)))
		 name)
      headline))
  info 'first-match)
#+end_src

This allows the cookie to be anywhere (in fact not even surrounded by
white space).

Should we assume the cookie is at the end of the headline or not?

>> Also, does ignoring whitespace mean replacing any (non-empty) amount of
>> whitespace by non-empty whitespace, or can you also insert or delete
>> whitespace between contiguous strings:
>> - do "foobar" and "foo bar" match?
>> - do "foo bar" and "foobar" match?
>
> The former. Or use `split string', like in
> `org-export-resolve-fuzzy-link'.

I'd gladly do this, but to use the `org-element-map' function it seem
that I need a parse tree. How can I get it? Or is it possible to use
directly `org-element-map' on a buffer?

Thanks,

Alan

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next prev parent reply	other threads:[~2015-01-12 11:12 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-12  7:31 doc patch: move footnote in external links Alan Schmitt
2014-12-12 17:29 ` Nicolas Goaziou
2014-12-13  9:43   ` Alan Schmitt
2014-12-13 14:17     ` Nicolas Goaziou
2014-12-16 17:20       ` Alan Schmitt
2014-12-16 21:54         ` Nicolas Goaziou
2014-12-17 16:33           ` Alan Schmitt
2014-12-20 22:15             ` Nicolas Goaziou
2015-01-10 12:45               ` Alan Schmitt
2015-01-11 22:00                 ` Nicolas Goaziou
2015-01-12  7:40                   ` Alan Schmitt
2015-01-12  8:43                     ` Nicolas Goaziou
2015-01-12 11:12                       ` Alan Schmitt [this message]
2015-01-12 22:56                         ` Nicolas Goaziou
2015-01-14 13:19                           ` Alan Schmitt
2015-01-16  8:57                             ` Nicolas Goaziou
2015-02-07 11:23                               ` Alan Schmitt
2015-02-07 21:44                                 ` Nicolas Goaziou

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