Re: [Orgmode] Re: Limited #+INCLUDE ?

[Eric Schulte]

Dan Davison <address@hidden> writes:

> "Eric Schulte" <address@hidden> writes:
>
>> Darlan Cavalcante Moreira <address@hidden> writes:
>>
>>> This functionality would be really useful. Since it is more directly
>>> applicable for programming, then maybe an easier approach to implement it
>>> would be just a link to a function in a file. For instance
>>>
>>> [[file_def:/path/to/file::definition_name][linkname]]
>>>
>>> Org could rely on the capability of the target major-mode to select the
>>> region enclosing the function (c-mark-function for C/C++,
>>> py-mark-def-or-class for python, mark-defun for lisp, etc.). This would
>>> avoid the necessity of including commenting marks in the code and although
>>> it would be limited to a "function body at a time" it would be enough in
>>> many situations.
>>>
>>
>> Following in this "major mode specific behavior" direction, maybe it
>> would be possible to make use of the tags functionality for linking to
>> specific functions, chapters, etc... based on the mode of the target
>> file.
>
> This sounds like an interesting idea; I have been meaning to use tags
> more. However, I wouldn't want to exclude the possibility of using this
> functionality in a non-programming context

I agree that would be an unwelcome restriction, however maybe TAGS are
not restricted to programming text

,----[from (emacs) Tags ]
| A "tag" is a reference to a subunit in a program or in a document.  In
| program source code, tags reference syntactic elements of the program:
| functions, subroutines, data types, macros, etc.  In a document, tags
| reference chapters, sections, appendices, etc.  Each tag specifies the
| name of the file where the corresponding subunit is defined, and the
| position of the subunit's definition in that file.
`----

also, they support general regexp tag specification through which they
can be extended to arbitrary major modes. -- Eric

> -- i.e. collaborative editing of arbitrary text documents -- which
> would argue for approaches based on storing arbitrary text context
> using Emacs bookmarks or custom text searches. Perhaps the new
> functionality could involve a choice of more than one new Org link
> type?
>
> Dan
>
>
>
>>
>> (info "(emacs)Tags") ;; how great is it that gnus resolves these links 
>>
>> Tags would allow for robust links to points in changing files without
>> the need to place text anchors into the files themselves.  The immediate
>> downside is that tags rely on a TAGS table to resolve links.  This table
>> can easily be ignored from version control (for collaboration).  Then
>> Org-mode could use the `find-tag' function to resolve it's links, maybe
>> in combination with the function delimiting features Darlan mentioned
>> above to references entire function/object ranges.
>>
>> -- Eric
>>
>>>
>>> Darlan
>>>
>>> 2010/4/27 Eric S Fraga <address@hidden>:
>>>> On Mon, 26 Apr 2010 15:40:35 -0400, Dan Davison <address@hidden> wrote:
>>>>> I'm considering investigating the following and would appreciate
>>>>> comments on this idea. The aim is to make it easier to use Org-mode to
>>>>> work pure code files which are *external to Org-mode* (i.e. this
>>>>> proposal lies outside of the current org-babel tangling framework).
>>>>>
>>>>> - Extend Org file links to allow links to a range of lines in a
>>>>>   file. The syntax could be
>>>>>   [[file:/path/to/file::from::to][linkname]]
>>>>
>>>> +1
>>>>
>>>> I like this idea, especially for exporting complex documents.  If
>>>> org-store-link were enhanced to generate links with this line
>>>> information, I would probably use this a lot.
>>>>
>>>>> - These links will bring up a buffer visiting the target file, narrowed
>>>>>   to the target region.
>>>>
>>>> Or could be brought up with a wide view but with the region selected?
>>>>
>>>>> - 'from' and 'to' could be line numbers, or regexps for text search.
>>>>
>>>> The latter could be quite appealing, although possibly a little
>>>> fragile.
>>>>
>>>>
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>>
>>
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