Subject: [xsl] accumulators From: Jakub Malý <jakub@xxxxxxx> Date: Fri, 19 Apr 2013 23:04:51 +0200 |
Hi, I am fiddling with XSLT accumulators in the new version of Saxon. I first looked at the examples in the spec and thought that this might work (and output 01210), but it doesn't: <?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:f="myf" version="3.0"> <xsl:accumulator name="f:my-var" as="xs:integer" initial-value="0" > <xsl:accumulator-rule match="f:inc" new-value="$value + 1"/> <xsl:accumulator-rule match="f:dec" new-value="$value - 1"/> </xsl:accumulator> <xsl:variable name="f:control-inc" as="element()*"> <f:inc/> </xsl:variable> <xsl:variable name="f:control-dec" as="element()*"> <f:dec/> </xsl:variable> <xsl:template match="/"> <xsl:value-of select="f:my-var()" /> <xsl:apply-templates select="$f:control-inc"/> <xsl:value-of select="f:my-var()" /> <xsl:apply-templates select="$f:control-inc"/> <xsl:value-of select="f:my-var()" /> <xsl:apply-templates select="$f:control-dec"/> <xsl:value-of select="f:my-var()" /> <xsl:apply-templates select="$f:control-dec"/> <xsl:value-of select="f:my-var()" /> </xsl:template> </xsl:stylesheet> So I read the spec and I guess I understand why. Accumulator rule is not triggered by calling apply-templates, it does not matter how many times the same node is processed, the value for the accumulator will be the same. Do accumulators work only for the nodes from the source document or also for nodes from documents loaded using doc() or document()? Jakub.
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