Mega Code Archive
Subsequence() function
<![CDATA[
File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<favorite-books>
<booklist>
<book isbn="1111111111"
favorite="f1">XSLT</book>
</booklist>
</favorite-books>
File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="text"/>
<xsl:variable name="Dougs-favorites" as="node()*">
<xsl:sequence
select="/favorite-books/booklist
/book[contains(@favorite, 'Doug')]"/>
</xsl:variable>
<xsl:template match="/">
<xsl:text>A test of the node-after (>>) operator:</xsl:text>
<xsl:text>

 Comparing nodes from </xsl:text>
<xsl:text>the sequence:
</xsl:text>
<xsl:value-of
select="if (subsequence($Dougs-favorites, 1, 1) >>
subsequence($Dougs-favorites, 2, 1))
then ' node1 >> node2 = true
'
else ' node1 >> node2 = false
'"/>
<xsl:value-of
select="if (subsequence($Dougs-favorites, 2, 1) >>
subsequence($Dougs-favorites, 1, 1))
then ' node2 >> node1 = true
'
else ' node2 >> node1 = false
'"/>
<xsl:value-of
select="if (subsequence($Dougs-favorites, 1, 1) >>
subsequence($Dougs-favorites, 1, 1))
then ' node1 >> node1 = true
'
else ' node1 >> node1 = false
'"/>
</xsl:template>
</xsl:stylesheet>
Output:
A test of the node-after (>>) operator:
Comparing nodes from the sequence:
node1 >> node2 = false
node2 >> node1 = false
node1 >> node1 = false
]]>