On 22.10.2019 20:41, Martin Honnen martin(_dot_)honnen(_at_)gmx(_dot_)de wrote:
On 22.10.2019 20:07, Rick Quatro rick(_at_)rickquatro(_dot_)com wrote:
I am using XSLT 2 and think this may require a for-each-group solution.
Any advice would be appreciated. Thank you very much.
As an alternative, if you can move to XSLT 3, then I think it is also
easy with "xsl:iterate":
Thinking about it again, it seems in XSLT 3 simply using an accumulator
makes it even more easy and compact:
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
exclude-result-prefixes="#all"
version="3.0">
<xsl:mode on-no-match="shallow-copy" streamable="yes"
use-accumulators="rev-change"/>
<xsl:accumulator name="rev-change" as="xs:boolean"
initial-value="false()" streamable="yes">
<xsl:accumulator-rule match="topic" select="false()"/>
<xsl:accumulator-rule match="topic/revst" select="true()"/>
<xsl:accumulator-rule match="topic/revend" select="false()"/>
</xsl:accumulator>
<xsl:template match="topic/*[accumulator-before('rev-change')]">
<xsl:copy>
<xsl:attribute name="rev">changed</xsl:attribute>
<xsl:apply-templates select="@*"/>
<xsl:apply-templates/>
</xsl:copy>
</xsl:template>
<xsl:template match="revst | revend" priority="2"/>
</xsl:stylesheet>
Saxon EE however doesn't like it for streaming and crashes, works fine
however with HE or with EE and streaming turned off.
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