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[xsl] Switching the main input Doc

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This might sound a little bizzare, but bear with me :-)

I have an XSLT which contains a document() function which calls a URI Resolver to obtain an XML instance. This instance is assigned to a variable at the start of the XSLT like this :-

<xsl:variable name="myDoc" select="document(myscheme:...)"/>

Some application software is calling my XSLT, and passing a single inbound XML instance.

Nothing unusual so far.

Unfortunately the way that the XSLT is called by the application, the XML instance that I really need to be the main input, and the instance that arrives via document() are the wrong way around :-(

I MAY (and may have to) be able to get a change to application software to re-orientate the data passed in and accessed via the resolver to be what I need, but before going down that route, I was just wondering whether there is anything I could consider within the XSLT itself.

I had thought of creating an additional variable and assigning this the input root and then just using both variables in expressions in a way which effectively would allow me to use the instance passed through the document() function as if it were the main input. I think this might work but it does seem a bit unnatural (if not a bit barmy).

Does this approach (or another) seem feasible or should I really stop messing about and get the application to pass data in a more appropriate way ?

Cheers

Fraser.

P.S Thanks to all for the excellent advice I've been getting from this group recently. Hopefully others are also benefitting from some of these Q&As.

Thanks

Fraser.

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