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From Gianugo Rabellino <>
Subject Re: [RT]: Restructuring the build system
Date Mon, 19 Nov 2001 17:00:37 GMT
Carsten Ziegeler wrote:

>>Sure thing. And now that I think about it, I'm wondering if we are 
>>trying once more to reinvent the wheel: since what we want to do is 
>>after all an XML transformation of two files, why don't we just write 
>>two stylesheets (say cocoon.xconf.xsl and sitemap.xmap.xsl) for each 
>>optional package? They should be trivial to write: if they are present 
>>the transformations will take place and modify the configs accordingly. 
>>This seems to me the cleanest and fastest way to achieve the result. 
>>What do you think?
> So, the sitemap and cocoon.xconf are build-up from an base file which
> is processed by several stylesheets. Hmm, this is an interesting idea!
> One the one hand, I like it, because no java class has to be written
> for it, no addition libs are needed etc.

Exactly. There are two minor caveats though about the ant task (in case 
you were planning to use it): the first is whitespace handling (but this 
can be due to my poor XSLT knowledge), since the added fragments are not 
properly whitespaced; the second is that it's not possible to specify 
the same file both as a source and as a result (the style task just does 
nothing in that case). Anyway, if we can't cope with it, writing a small 
Ant task that properly calls a serializer setting the appropriate 
options is trivial.

I'm still convinced that this is the way to go: I wrote a simple 
stylesheet that changes cocoon.xconf for my needs and it was 
straightforward (I can send it if you want, but it's really a trivial one).

> One the other hand, the configuration of the optinal components is 
> done by a stylesheet. This might look a little bit wired.

Well... I don't think so: I think that stylesheets actually mean 
flexibility. However, given that basically what needs to be specified is 
an XPath to identify the section of the document and an XML fragment to 
add inside the node, it might be very simple to use a simpler syntax 
(like the xupdate one) and build a stylesheet out of it.

Let me know if I can be of any help,

Gianugo Rabellino

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