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From: Bart Parliman <parliman@lanl.gov>
Cc: Bart Parliman <parliman@lanl.gov>, emacs-orgmode@gnu.org
Subject: Re: Line numbers with org-store-link?
Date: Tue, 6 May 2008 09:28:24 -0600	[thread overview]
Message-ID: <alpine.OSX.1.10.0805060927470.1001@kezar.lanl.gov> (raw)
In-Reply-To: <1965C49B-BDF1-451C-A84B-1E48AE5C5488@science.uva.nl>

Carsten,

This is exactly what I need.  Thanks.

Bart

On Tue, 6 May 2008, Carsten Dominik wrote:

> Hi Bart,
>
> No, this does not exist, because normally line numbers are moving around and 
> therefore are not very useful as long-term search targets.
>
> You can pretty easily hack this, though:
>
> Lets say you want to have line numbers for links to any files in c-mode 
> (because this is the programming language you are talking about).  Limiting 
> it to some special files makes sure that in other file types you will still 
> get links based on (somewhat) more reliable text snippets.
>
> Then you can write a small function and add it to the hook
> org-create-file-search-functions:
>
> (defun my-link-to-line-number-in-c-mode ()
>   "When in c-mode, use line number as search item."
>   (when (eq major-mode 'c-mode)
>     (number-to-string (org-current-line))))
>
> (add-hook 'org-create-file-search-functions
>           'my-link-to-line-number-in-c-mode)
>
> Normally you would also have to write a function to search for the custom 
> link search text and add that function to 
> `org-execute-file-search-functions'.  But you are lucky:  if the search item 
> is an integer number, Org already interprets it as a line number.
>
> Hope this helps.
>
> - Carsten
>
> On May 5, 2008, at 11:40 PM, Bart Parliman wrote:
>> Is there a way to force org-store-link to store the current line number 
>> rather than a string to locate?
>> 
>> When preparing for code reviews I like to create notes with links to the 
>> exact source line.  FWIW, in these cases, I keep a static copy of the code 
>> so I know it isn't going to change.
>> 
>> Obviously none of those reviews involve lisp, since my first feeble attempt 
>> to add a hyperlink type never even came close to running. :-)
>> 
>> Thanks for any help,
>> Bart
>> 
>> 
>> 
>> _______________________________________________
>> Emacs-orgmode mailing list
>> Remember: use `Reply All' to send replies to the list.
>> Emacs-orgmode@gnu.org
>> http://lists.gnu.org/mailman/listinfo/emacs-orgmode
>

      reply	other threads:[~2008-05-06 15:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-05 21:40 Line numbers with org-store-link? Bart Parliman
2008-05-06  7:20 ` Carsten Dominik
2008-05-06 15:28   ` Bart Parliman [this message]

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