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Re: [O] Literate Programming - Continue a Source Block?
From: |
Eric Schulte |
Subject: |
Re: [O] Literate Programming - Continue a Source Block? |
Date: |
Thu, 16 Jun 2011 21:39:53 -0700 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
Neeum Zawan <address@hidden> writes:
> Eric Schulte <address@hidden> writes:
>
>> How about the following solution, which is based on a new :noweb-ref
>> header argument.
>>
>> When expanding ``noweb'' style references the bodies of all code block
>> with /either/ a block name matching the reference name /or/ a :noweb-ref
>> header argument matching the reference name will be concatenated
>> together to form the replacement text.
>>
>> By setting this header argument at the sub-tree or file level, simple
>> code block concatenation may be achieved. For example, when tangling
>> the following Org-mode file, the bodies of code blocks will be
>> concatenated into the resulting pure code file.
>
> Hi,
>
> Your example is not completely clear. I noticed you didn't put any names
> for the source blocks that use the noweb-ref. Is it necessary not to
> name them,
The source code blocks may have names, as before all code block names
should be unique or the behavior may be undefined.
> or can one name them but their names will still have to be unique and
> are orthogonal to concatenation (i.e. they have names, but the
> concatenation is due to whatever the argument of noweb-ref is)?
>
The value of the :noweb-ref header argument supersedes the name of the
code block for noweb expansion. To preserve existing semantics and to
avoid requiring the use of the :noweb-ref header argument in simple
cases, the code block name will be used to resolve noweb references in
blocks which do not have a :noweb-ref header argument.
>
> I think either way, this solution serves my purpose. My original
> suggestion was to have a header whose value would be "append" to allow
> for concatenation if the name matches a previous source block. It seems
> your solution above is the same except instead of looking at the name of
> the source block, it looks at the argument of noweb-ref.
>
Yup, happy this sounds like it should work for your original need.
>
> Overwriting is still not supported, but I don't know if that's all that
> important (I don't have an immediate need for it). And noweb by default
> did not have it either, so perhaps it's not needed for most tasks
This was my thinking.
> (OTOH, you may want to think about what the best solution is if later
> on you decide to add overwriting capability).
>
If someone finds a real need for overwriting code blocks, hopefully the
specifics of their need will point towards an implementation.
>
> Thanks. Hope to see this or something like it soon.
>
You welcome, hope this turns out to be helpful -- Eric
--
Eric Schulte
http://cs.unm.edu/~eschulte/
- Re: [O] Literate Programming - Continue a Source Block?, (continued)
- Re: [O] Literate Programming - Continue a Source Block?, Neeum Zawan, 2011/06/10
- Re: [O] Literate Programming - Continue a Source Block?, Neeum Zawan, 2011/06/10
- Re: [O] Literate Programming - Continue a Source Block?, Eric Schulte, 2011/06/11
- Re: [O] Literate Programming - Continue a Source Block?, Neeum Zawan, 2011/06/12
- Re: [O] Literate Programming - Continue a Source Block?, Eric Schulte, 2011/06/13
- Re: [O] Literate Programming - Continue a Source Block?, Neeum Zawan, 2011/06/15
- Re: [O] Literate Programming - Continue a Source Block?, Eric Schulte, 2011/06/15
- Re: [O] Literate Programming - Continue a Source Block?, Neeum Zawan, 2011/06/15
- Re: [O] Literate Programming - Continue a Source Block?, Eric Schulte, 2011/06/16
- Re: [O] Literate Programming - Continue a Source Block?, Neeum Zawan, 2011/06/17
- Re: [O] Literate Programming - Continue a Source Block?,
Eric Schulte <=
- Re: [O] Literate Programming - Continue a Source Block?, Sebastien Vauban, 2011/06/17
- Re: [O] Literate Programming - Continue a Source Block?, Neeum Zawan, 2011/06/19
- Re: [O] Literate Programming - Continue a Source Block?, Olaf.Hamann, 2011/06/16