This is a snippet of code. Am I on the right
track or is there a more efficient way?
<xsl:for-each
select="/legs/competition/leg/Competitor[../../@name=$paramVal1]">
<tr>
<td><xsl:value-of select="@no"/></td>
<xsl:variable name="cNum">
<xsl:value-of select="@no"/>
</xsl:variable>
Never do this. Write
<xsl:variable name="cNum" select="@no"/>
There's no need to construct a new result tree fragment when you only want a
reference to a node. (And no need for three lines of code when one would do
- XSLT is verbose enough without making it worse).
<td><xsl:value-of
select="document('EntryList.xml')/entrylist/competition/entry/
@driverSurname
[../@no=$cNum]"/>
<td><xsl:value-of
select="document('EntryList.xml')/entrylist/competition/entry/
@coDriverSurna
me[../@no=$cNum]"/>
You're less reliant on the optimizer if you define a variable:
<xsl:variable name="entry"
select="document('EntryList.xml')/entrylist/competition/entry[(_at_)no=$cNum]"/>
then select="$entry/@driverSurname" and select="$entry/@codriverSurname"
Note also, predicates can appear on steps in a path expression other than
the last. You can write
document('EntryList.xml')/entrylist/competition/entry[(_at_)no=$cNum]/@driverSurn
ame
Michael Kay
http://www.saxonica.com/
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