Subject: Re: [xsl] Functions Returning Nodes in XSLT 2.0 From: Dimitre Novatchev <dnovatchev@xxxxxxxxx> Date: Fri, 20 May 2005 09:40:41 +1000 |
On 5/20/05, Alan Gutierrez <alan-xsl-list@xxxxxxxxx> wrote: > In XSLT 2.0 with Saxon 8.4... > > I've written helper methods that look like so. > > <xsl:function name="fn:user" as="element()"> > <xsl:param name="login"/> > <xsl:copy-of > select="document('users.xml')/users/user[login = $login]"/> > </xsl:function> > > Making it easier to write select attributes. > > <xsl:value-of select="fn:user()/first-name"/> > > Some of my XPath is getting complicated, so I like to wrap it up > into functions. > > I'm wondering if copy-of is smart enough to forgo copying in > such cases. No, xsl:copy-of does what it name says. > If not, I could see how it could get expensive to > call fn:user every time I wanted a property. > > Is there a better practice for this sort of thing? Yes. Use: xsl:sequence Cheers, Dimitre Novatchev.
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