What is the recommended way to define a string-valued
variable computed
by a conditional instruction? Here's an example from a stylesheet I'm
working on:
<xsl:variable name="source">
<xsl:choose>
<xsl:when test="$kind >= 0 and $kind < 5000">
<xsl:value-of select="format-number('01','00')"/>
</xsl:when>
<xsl:when test="$kind >= 5000 and $kind < 6000">
<xsl:value-of select="format-number('20','00')"/>
</xsl:when>
<xsl:when test="$kind >= 6000">
<xsl:value-of select="format-number('30','00')"/>
</xsl:when>
<xsl:when test="$kind = 'NATO'">
<xsl:value-of select="format-number('40','00')"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="format-number('05','00')"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
In XSLT 2.0,
<xsl:variable name="x" as="xs:string"
select="if (X) then 'b' else 'c'"/>
In XSLT 1.0,
<xsl:variable name="temp">
<xsl:choose>
....
</xsl:variable>
<xsl:variable name="x" select="string($x)"/>
Also, what is the recommended way to define an empty string-valued
variable?
<xsl:variable name="foo"/>
<xsl:variable name="foo" select="''"/>
Those are both fine.
Michael Kay
http://www.saxonica.com/
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