On 5/20/05, Alan Gutierrez <alan-xsl-list(_at_)engrm(_dot_)com> 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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