Re: [xsl] Getting at original document from inside document()

[Oleg Tkachenko <olegt at multiconn dot com>]

Phil Endecott wrote:

> Dear XSL experts,
> 
> Once I am in a document selected by a document() function, is there
> any way to refer to nodes in the original source document?
> 
> Here's a (contrived) example: I have this as my main source document:
> 
> <book title="foo">
>   <chapter src="chap1.xml"/>
> </book>
> 
> Then I have a stylesheet that does something like:
> 
> <xsl:template match="chapter">
>   <xsl:apply-templates select="document(@src)/*"/>
> </xsl:template>
> 
> and then somewhere deep in the processing of the chapter's contents I
> want to use the book's title.  At first I naively tried /book/@title -
> but that doesn't work, because / is the root of chap1.xml, not of the
> source document.  I could use document('....')/book/@title, if I knew
> what the name of the original source file was: but I don't.
> 
> I was hoping that something like document('')/book/@title would get
> the answer, but it looks like this gets the stylesheet, not the
> original input document.
> 
> Of course there are various hacks to get or fix the filename that
> could have the desired effect, but I was hoping that someone would
> know of a "clean" way to do this.
> 
> Any ideas anyone?

You can save root of original source document in a global variable and 
use it anywhere you want like ...select="$root/book/chapter".

-- 
Oleg Tkachenko
Multiconn International, Israel


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