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This sort of functionality is also likely to be needed by client
toolkits/stylesheets wanting to interact with SOAP 1.2 endpoints
implementing the SOAP-Response MEP and exposed via the GET binding.
--Peter
http://www.razorsoft.net/weblog
http://staff.develop.com/peterd
> -----Original Message-----
> From: Simon St.Laurent [mailto:simonstl@simonstl.com]
> Sent: Thursday, July 18, 2002 12:22 PM
> To: xml-dev@lists.xml.org
> Subject: [xml-dev] XSLT and URI processing
>
>
> I mentioned earlier that XML Base is in some ways a
> transformation, and
> that XSLT 2.0 appears to have heard of it.
>
> I'm wondering now about a fairly simple situation. I have a group of
> XHTML documents, let's say, and they all use relative URIs to
> represent
> the links among themselves and links to resources (like images) they
> use. They also use some absolute URIs and relative URIs
> using HTML base
> or xml:base attributes to represent links to external information. I
> want to archive them such that their location is absolutized,
> pinned to
> a particular permanent home (which might, for instance, include date
> information).
>
> To do this, I'd like to build an XSLT stylesheet. As part of that
> stylesheet's work, I'd like to transform the relative URIs which
> represent the original set of documents to MY absolute URI, while
> preserving existing absolute URIs and honoring the intent of the
> xml:base or html:base claims made in the originals.
>
> However, XSLT and XPath appear to lack anything like an "absolutize"
> function. I don't see any clear path forward for this in the
> context of
> XSLT 1.0 and XPath 1.0, nor do my preliminary explorations of the 2.0
> versions offer me much more hope on this issue.
>
> Overall, I'm looking for a function that:
> takes a URI as an argument
> IF the URI is absolute, it returns the same URI
> IF the URI is relative, it absolutizes it, based on:
> a) xml:base if available or
> b) the base URI of the document (or external entity) itself or
> c) a provided base URI
>
> (b) would be for archiving information more or less in-place,
> while (c)
> would be for archiving the information at a different
> location. (a), (b)
> and (c) might well be represented as separate functions.
>
> EXSLT doesn't (yet) have such a function, though I understand that a
> pair of extension functions can make this work in 4XSLT. Given the
> status of XML Base as a W3C Recommendation, I have to admit that this
> feels like a surprising omission from at least the latest of these
> specs.
>
> The information I can find about URIs in XSLT and XPath seems mostly
> aimed at retrieving information (like documents) from within
> implementations, not at processing URIs directly. Given the
> regularity
> with which URIs cause trouble for this community, that seems like
> something worth discussion.
>
> --
> Simon St.Laurent
> Ring around the content, a pocket full of brackets
> Errors, errors, all fall down!
> http://simonstl.com
>
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