Re: [xsl] Order of accumulator rules

["Michael Kay mike@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

Added as test case accumulator-081 to XSLT3 test suite.

Michael Kay
Saxonica

> On 27 Jul 2020, at 17:33, David Maus lists@xxxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Hello everone,
>
> I started to play with XSLT 3 accumulators and am not sure I
> understand the specifications correctly with regards to the order of
> accumulator rules.
>
> Take the following example:
>
> <xsl:transform version="3.0"
>               xmlns:xs="http://www.w3.org/2001/XMLSchema";
>               xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
>
>  <xsl:output method="text"/>
>
>  <xsl:mode on-no-match="shallow-skip" use-accumulators="#all"/>
>
>  <xsl:accumulator name="accumulator" as="xs:integer" initial-value="0">
>    <xsl:accumulator-rule match="element">
>      <xsl:sequence select="1"/>
>    </xsl:accumulator-rule>
>    <xsl:accumulator-rule match="element">
>      <xsl:sequence select="2"/>
>    </xsl:accumulator-rule>
>  </xsl:accumulator>
>
>  <xsl:template match="/">
>    <xsl:apply-templates/>
>    <xsl:sequence select="accumulator-after('accumulator')"/>
>  </xsl:template>
> </xsl:transform>
>
> And apply it to the following document:
>
> <element/>
>
> From my reading of the specs I would expect value of the accumulator
> to be 2 because both rules match the element node and the rule
> selecting 2 is last in document order. But this stylesheet returns 1
> when I run it with Saxon EE 10.1.
>
> This seems to be a bug in Saxon, doesn't it?
>
> Best,
>  -- David
>
> --
> David Maus M.A.
>
> Www: http://dmaus.name
> Twitter: @_dmaus