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From: Nick Dokos <ndokos@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: Regex Speedup for org-refresh-category-properties.
Date: Tue, 29 Jul 2014 10:47:11 -0400	[thread overview]
Message-ID: <871tt4jk7k.fsf@alphaville.bos.redhat.com> (raw)
In-Reply-To: m261igx25h.fsf@purvis.id.au

Malcolm Purvis <malcolm@purvis.id.au> writes:

> I use the master version of org, and some months ago the time required
> to generate my custom agenda view sky rocketed.  I've found that 90% of
> the time was being spent in the call to re-search-forward in
> org-refresh-category-properties.  The patch below speeds up the regular
> expression search and makes the generation of my agenda as fast as
> before.
> Malcolm
> diff --git a/lisp/org.el b/lisp/org.el
> index 7e30061..2fc6854 100644
> --- a/lisp/org.el
> +++ b/lisp/org.el
> @@ -9474,7 +9474,7 @@ The refresh happens only for the current tree (not subtree)."
>  	 (goto-char (point-min))
>  	 (put-text-property (point) (point-max) 'org-category def-cat)
>  	 (while (re-search-forward
> -		 "^[ \t]*\\(#\\+CATEGORY:\\|[ \t]*:CATEGORY:\\)\\(.*\\)" nil t)
> +		 "^[ \t]*\\(#\\+CATEGORY:\\|*:CATEGORY:\\)\\(.*\\)" nil t)
                   What does the asterisk do?

Can you explain what this regexp is supposed to match?


  parent reply	other threads:[~2014-07-29 14:47 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-29  3:41 Regex Speedup for org-refresh-category-properties Malcolm Purvis
2014-07-29 13:23 ` Bastien
2014-07-29 14:47 ` Nick Dokos [this message]
2014-07-29 14:56   ` Bastien
2014-07-29 16:20 ` Achim Gratz
2014-07-29 21:28   ` Bastien
2014-07-29 23:46   ` Malcolm Purvis
2014-07-30  7:17     ` Achim Gratz

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