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File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
<AAA>
<BBB id="b1">
<CCC name="q" size="12"/>
<EEE id="e1">
<SSS/>
</EEE>
<CCC weight="45"/>
<CCC/>
</BBB>
</AAA>
<AAA>
<EEE id="e2"/>
<CCC>
<DDD/>
<DDD/>
</CCC>
</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="/">
<TABLE border="1" width="90%">
<TR>
<td>Element</TH>
<td>Occurs</TH>
</TR>
<xsl:for-each select="/descendant::*">
<xsl:variable name="pos" select="position()"/>
<xsl:if test="not(/descendant::*[position() < $pos and name()=name(current())])">
<TR>
<TD>
<xsl:value-of select="name()"/>
</TD>
<TD>
<xsl:value-of select="count(/descendant::*[name()=name(current())])"/>
</TD>
</TR>
</xsl:if>
</xsl:for-each>
<TR>
<td>Total count</TH>
<td>
<xsl:value-of select="count(//*)"/>
</TH>
</TR>
</TABLE>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><TABLE border="1" width="90%"><TR><td>Element</TH><td>Occurs</TH></TR><TR><TD>data</TD><TD>1</TD></TR><TR><TD>AAA</TD><TD>2</TD></TR><TR><TD>BBB</TD><TD>1</TD></TR><TR><TD>CCC</TD><TD>4</TD></TR><TR><TD>EEE</TD><TD>2</TD></TR><TR><TD>SSS</TD><TD>1</TD></TR><TR><TD>DDD</TD><TD>2</TD></TR><TR><td>Total count</TH><td>13</TH></TR></TABLE>
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