Re: [xslt] document('')

[Matt Sergeant <matt sergeant org>]

On Fri, 12 Jul 2002, Daniel Veillard wrote:

> On Fri, Jul 12, 2002 at 11:22:10AM +0100, Matt Sergeant wrote:
> > Yes I did, but breaking one of these fundamental features of XSLT just
> > because I'm using strings instead of files seems daft. I guess Daniel's
> > mileage varies there ;-)
> >
> > Michael Kay's book specifies that document('') refers to "the stylesheet
> > itself". It says nothing about relative/absolute URIs, which is only
> > relevant when the string has length > 0, as far as I can make out.
>
>   The document() functions is being passed a string which is an
> URI-Reference.
>   Using '' as an URI reference when the pointed document has no
> base (like when aquired from a pipe) is simply meaningless.
>   The reference ain't Michael Kay's wording but RFC 2396 and Co.
> In general passing document as in-memory strings do have a LOT
> of impact on a lot of XML or more generally Web related standards
> because they tend to rely heavilly on URI-References and those
> quite often rely on the Base URI which is no more available in this
> case.
>
>   The behaviour changed from reusing the stylesheet document to
> reparsing it from scratch for compliance to the XSLT specification,
> see the bug reported by Eric van der Vlist last month:
>   http://mail.gnome.org/archives/xslt/2002-June/msg00055.html
>
>   I could try to reimplement the same old behaviour, but faking
> a semantic to '' URI-References when there is no base doesn't sound
> a good idea

You could default the base URI to something like string:/, then things
should just work. Alternatively I'll do that in XML::LibXSLT.

-- 
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