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From: Nicolas Goaziou <n.goaziou@gmail.com>
To: Matt Price <moptop99@gmail.com>
Cc: Org Mode <emacs-orgmode@gnu.org>
Subject: Re: org-element-property syntax (turning strings into keyword symbols)
Date: Sat, 09 Nov 2013 08:48:15 +0100	[thread overview]
Message-ID: <87fvr6818g.fsf@gmail.com> (raw)
In-Reply-To: <CAN_Dec_eNz5ep4E97NDmdqVgKtnE3ZrDXiY8a_Gog6Krat27Ww@mail.gmail.com> (Matt Price's message of "Sat, 9 Nov 2013 01:29:40 -0500")

Hello,

Matt Price <moptop99@gmail.com> writes:

> This works fine.  Now when I come back to this buffer I want to check
> whether any of the properties are actually there.  So I am trying
> something like this:
>
> (let ((hasprops nil))
>   (dolist prop org-writers-room-properties
>       (if (org-element-property (car prop) (org-element-at-point))
>            (setq hasprops t))
>       (if (hasprops)
>           (etc.))
>
> However this doesn't work because (1) the car of "prop" (which is in
> fact the property name) is not necessarily capitalized and

Then `upcase' the property name first. I assume you will only refer to
user-defined properties so their equivalent keyword will always be in
upper cases.

> (2) the "property" parameter of org-element-property is not a string,
> but a "keyword symbol". Somehow I have to turn my string into the
> appropriate keyword symbol. Does anyone know how to do this?

Use `intern'.

For efficiency reasons, I also suggest to store `org-element-at-point'
in a variable instead of computing it again each time you are looking
for a property:

  (let ((hashprops nil)
        (element (org-element-at-point)))
    (dolist (prop org-writers-room-properties)
      (if (org-element-property (intern (concat ":" (upcase prop))) element)
          ...)))


Regards,

-- 
Nicolas Goaziou

  reply	other threads:[~2013-11-09  7:48 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-09  6:29 org-element-property syntax (turning strings into keyword symbols) Matt Price
2013-11-09  7:48 ` Nicolas Goaziou [this message]
2013-11-09 16:15   ` Matt Price

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