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[xsl] dynamic-context type-branching
Subject: [xsl] dynamic-context type-branching
From: ac <ac@xxxxxxxxxxxxx>
Date: Sun, 03 Feb 2008 14:36:07 -0500
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Hi,
In schema unaware xslt2 environments, what would be the best way to
select action depending on the result type (ex: string, text node(s),
attribute(s), element(s)) of saxon:evaluate(), ex:
idealy (v1) something like ...
<xsl:template match="context" mode="foo">
<xsl:param name="xpathstring" select="... some xpath string ... "/>
<xsl:apply-templates
select="saxon:eval(saxon:evaluate($xpathstring)" mode="lama"/>
</xsl:template>
but since you cannot apply-templates on atomic types, alternately (v2) ...
<xsl:template match="context" mode="foo">
<xsl:param name="xpathstring" select="... some xpath string ... "/>
<xsl:variable name="tmp"
select="saxon:eval(saxon:evaluate($xpathstring)"/>
<xsl:choose>
<xsl:when test="$tmp instance of
xs:anyAtomicType"><xsl:value-of select="$tmp"/></xsl:when>
<xsl:otherwise><xsl:apply-templates select="$tmp"
mode="lama"/></xsl:otherwise>
</xsl:choose>
</xsl:template>
Assuming mode="lama" has templates with appropriate matches for the
different types.
Thanks,
ac
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