Word count : current group « XSLT stylesheet « XML

1. XML
2. XSLT stylesheet
3. current group

Word count

File: Data.xml 
<poem>
   <author>author 1</author>
   <date>1912</date>
   <title>Song</title>
  <stanza>
      <line>line 1</line>
      <line>line 2</line>
      <line>line 3</line>
      <line>line 4</line>
   </stanza>
   <stanza>
      <line>line 5</line>
      <line>line 6</line>
      <line>line 7</line>
      <line>line 8</line>
   </stanza>
   <stanza>
      <line>line 9</line>
      <line>line 10</line>
      <line>line 11</line>
      <line>line 12</line>
   </stanza>
</poem>

File: Transform.xslt

<?xml version="1.0" encoding="iso-8859-1"?>
<xsl:stylesheet version="2.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

  <xsl:output method="xml" indent="yes" />

  <xsl:template match="/">
    <wordcount>
      <xsl:for-each-group group-by="."
        select="
          for $w in tokenize(string(.), '\W+') return lower-case($w)">
        <xsl:sort select="count(current-group())"
          order="descending" />
        <word word="{current-grouping-key()}"
          frequency="{count(current-group())}" />
      </xsl:for-each-group>
    </wordcount>
  </xsl:template>

</xsl:stylesheet>

Output:
<?xml version="1.0" encoding="UTF-8"?>
<wordcount>
   <word word="line" frequency="12"/>
   <word word="" frequency="2"/>
   <word word="1" frequency="2"/>
   <word word="author" frequency="1"/>
   <word word="1912" frequency="1"/>
   <word word="song" frequency="1"/>
   <word word="2" frequency="1"/>
   <word word="3" frequency="1"/>
   <word word="4" frequency="1"/>
   <word word="5" frequency="1"/>
   <word word="6" frequency="1"/>
   <word word="7" frequency="1"/>
   <word word="8" frequency="1"/>
   <word word="9" frequency="1"/>
   <word word="10" frequency="1"/>
   <word word="11" frequency="1"/>
   <word word="12" frequency="1"/>
</wordcount>

 

Related examples in the same category