RE: [xml-dev] New to list, question about cross doc references in xpath

["Michael Kay" <mike@saxonica.com>]

Well, a cross-document reference in XPath might look like this:

ref="doc('other.xml')/id('toc')"

But whether that's useful to you, I don't know. It's not XPointer - but it's
probably a lot more useful than XPointer.

If I wanted to do this I would probably do:

ref="other.xml#toc"

which isn't XPath.

It all depends on how you want to use the reference.

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: aaron miller [mailto:aaronstevenmiller@gmail.com] 
> Sent: 25 March 2009 22:50
> To: xml-dev@lists.xml.org
> Subject: [xml-dev] New to list, question about cross doc 
> references in xpath
> 
> Hi everyone,
> 
> I'm new to the list, so forgive me if this has been 
> discussed. The question that led me here is: Does Xpath (or 
> anything) provide a way to reference nodes across documents, 
> in situations where documents are part of a package?
> 
> My goal is to be able to construct xpointer fragments that 
> will properly resolve across docs in OPF.
> 
> Example:
> 
> id(string(//opf:spine[0]/@toc))
> 
> gets me the element whose @src references another document, 
> and in that document, I need to step further:
> 
> //ncx:navPoint[0]/content[0]
> 
> and from that node, I need to step into the document referred 
> to in the @src (of the content el)
> 
> and so on...
> 
> 
> Thanks
> Aaron
> 
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