Subject: RE: [xsl] document() and fragment From: "Michael Kay" <michael.h.kay@xxxxxxxxxxxx> Date: Mon, 17 Dec 2001 09:52:35 -0000 |
Looking again at the spec, you're probably correct that document("doc.xml#text") should build a tree representing the entire document, and then return a reference to the element with ID "text", rather than building a tree rooted at the "text" element. The current design is essentially a side-effect of the way that Saxon implements embedded stylesheets, and is handy because it saves memory when you only want access to a small part of a secondary input document. For the effect that you want, I'd suggest you avoid using the fragment identifier (they aren't very portable anyway), and instead use the id() function to select the nodes you want within the retrieved document. Mike Kay > -----Original Message----- > From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx > [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Brian Smith > Sent: 17 December 2001 05:48 > To: XSL-List@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] document() and fragment > > > Saxon 6.4.4 supports using a fragment identifier (bare name xpointer) > with the document function like this: > document("doc.xml#text"). This is > very handy but it is causing me a problem with the way the resulting > node-set is rooted. > > Lets say I have this document, doc.xml (assume "id" is an ID > attribute): > > <root> > <package id="a1" name="javax"> > <package id="a2" name="swing"> > <package id="a3" name="text"/> > </package> > </package> > </root> > > Now, lets say I'm processing another document, and I evaluate the > expression document("doc.xml#a3"). Saxon will return a > node-set with a > root node containing the package element with id "a3" > ("text"). But, I > need to traverse the ancestor:: axis in order to get the > fully-qualified > name of the package ("javax.swing.text"), such as by doing this: > > <xsl:for-each select='document("doc.xml#text")/* > /ancestor-or-self::package'> > <xsl:value-of select='@name'/> > <xsl:if test='position() != last()'>.</xsl:if> > </xsl:for-each> > > Unfortunately, this doesn't work because the result of > "document()" will > be rooted at the "a3" node, not at the actual root of the doucment. > > Is there any way around this? I wish the document() function > behaved in > a way that would allow me to access the ancestors and predecessors of > the selected element. > > Thanks, > Brian > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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