File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
<AAA id="a1" pos="start">
<BBB id="b1"/>
<BBB id="b2"/>
</AAA>
<AAA id="a2">
<BBB id="b3"/>
<BBB id="b4"/>
<CCC id="c1">
<DDD id="d1"/>
</CCC>
<BBB id="b5">
<CCC id="c2"/>
</BBB>
</AAA>
</data>
File: Transform.xslt
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet
version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<xsl:for-each select="//BBB">
<DIV style="color:red">
<xsl:value-of select="name()"/>
<xsl:text> id=</xsl:text>
<xsl:value-of select="@id"/>
</DIV>
</xsl:for-each>
<xsl:for-each select="source/AAA/CCC">
<DIV style="color:navy">
<xsl:value-of select="name()"/>
<xsl:text> id=</xsl:text>
<xsl:value-of select="@id"/>
</DIV>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><DIV style="color:red">BBB id=b1</DIV><DIV style="color:red">BBB id=b2</DIV><DIV style="color:red">BBB id=b3</DIV><DIV style="color:red">BBB id=b4</DIV><DIV style="color:red">BBB id=b5</DIV>
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