i want to get a list of the first level nodes (A, B, C..) with their related
nodes (X, Y, Z...) but removing duplicates, so i'd like to get:
A-XY
B-X
...
...
as i don't have tight performance problems i don't need to resort to
muenchian methods,
But they do work well so why not use them if you can?
They make a good pattern, which, if you master it, can be used in many
situations (until XSLT 2.0 becomes widely available!)
But if you want to avoid key() and generate-id() and don't care about
performance:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0">
<xsl:template match="/">
<xsl:apply-templates select="xml/el[not(node =
following::el[parent::xml]/node)]" />
</xsl:template>
<xsl:template match="/xml/el">
<xsl:variable name="base" select="node" />
<xsl:text>
</xsl:text>
<xsl:value-of select="$base" />
<xsl:text>-</xsl:text>
<xsl:apply-templates select="/xml/el/rel/el[../../node = $base and
not(node = following::el[../../node = $base and node = current()/node])]" />
</xsl:template>
<xsl:template match="/xml/el/rel/el">
<xsl:value-of select="node" />
</xsl:template>
</xsl:stylesheet>
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