Subject: Re: [xsl] Grouping From: "Martin Honnen martin.honnen@xxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Wed, 21 Oct 2020 16:37:50 -0000 |
The group-wrap should be performed for sequences of <points> of @type = '1'. <Points> of other types and completeley other nodes should not be grouped.
Another approach not using grouping with for-each-group is trying to key on the generated id of the first node in the group; usually that leads to patterns that make my head spin but so did your original code:
<?xml version="1.0" encoding="UTF-8"?> <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:key name="point-group" match="point[@type = 1 and preceding-sibling::*[1][self::point[@type = 1]]]" use="generate-id(preceding-sibling::point[@type = 1][not(preceding-sibling::*[1][self::point[@type = 1]])][1])"/>
<xsl:template match="point[@type = 1][not(preceding-sibling::*[1][self::point[@type = 1]])]"> <group> <xsl:copy-of select="., key('point-group', generate-id())"/> </group> </xsl:template>
<xsl:template match="point[@type = 1 and preceding-sibling::*[1][self::point[@type = 1]]]"/>
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