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From: "Philipp Möller" <bootsarehax@googlemail.com>
To: emacs-orgmode@gnu.org
Subject: Re: %(SEXP) with %c in org-capture templates
Date: Sat, 16 Jul 2011 00:38:09 +0200	[thread overview]
Message-ID: <CAC5Joch5AjJHKj3h=Ou3pwFBQPqLLarqYdQmikK+F_BzdpbYqA@mail.gmail.com> (raw)
In-Reply-To: <CAC5Jocgz2mSzxVkMbt1vhFx3Fi0brz26x3tQzW=6i3ewMwDikA@mail.gmail.com>

On 13 July 2011 01:46, Philipp Möller <bootsarehax@googlemail.com> wrote:
> Hello all,
> I want to define a capture template which pre-processes the head of the kill
> ring with a sexp that takes a string as an argument:
> (setq org-capture-templates
>       (quote
>        (("l" "Link" entry (file+headline "" "Links")
>          "* \"%c\" %(get-page-title \"%c\")"))))
> ;; throws Bad url
> (get-page-title "foo-bar")
> ;; works as expected
> (get-page-title "http://orgmode.org/manual/Template-expansion.html")
> (defun get-page-title (url)
>   "Get title of web page, whose url can be found in the current line"
>   ;; Get title of web page, with the help of functions in url.el
>   (with-current-buffer (url-retrieve-synchronously url)
>     ;; find title by grep the html code
>     (goto-char 0)
>     (re-search-forward "<title>\\([^<]*\\)</title>" nil t 1)
>     (setq web_title_str (match-string 1))
>     ;; find charset by grep the html code
>     (goto-char 0)
>     ;; find the charset, assume utf-8 otherwise
>     (if (re-search-forward "charset=\\([-0-9a-zA-Z]*\\)" nil t 1)
>         (setq coding_charset (downcase (match-string 1)))
>       (setq coding_charset "utf-8")
>     ;; decode the string of title.
>     (setq web_title_str (decode-coding-string web_title_str (intern
> coding_charset)))
>     )
>   (concat "[[" url "][" web_title_str "]]")
>   ))
> Please just ignore that I'm trying to parse XML with a regexp here.
> get-page-title works when called from code but always returns bad url when
> called from the capture template.
> Is the problem the way I escape the string or is this just not the way the
> sexp in capture are supposed to be used?

nevermind. I figured out that the expansion order of %s and s
expressions is the problem and also the reason for the with the
correct URL.
The solution is to use %(get-page-title (current-kill 0)).

Can this be added to the documentation or is it supposed to be obvious
from the order of available template expansions?


> Regards,
> Philipp

  reply	other threads:[~2011-07-15 22:38 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-12 23:46 %(SEXP) with %c in org-capture templates Philipp Möller
2011-07-15 22:38 ` Philipp Möller [this message]
2011-07-24 16:48   ` Bastien
2011-07-25 13:49     ` Philipp Möller
2011-07-25 21:09       ` Bastien

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