instance of element() : instance of « XSLT stylesheet « XML

1. XML
2. XSLT stylesheet
3. instance of

instance of element()

File: Data.xml

<?xml version="1.0"?>
<addressbook>
  <address>
    <street>1234 Main Street</street>
    <city>Z</city>
    <state>WI</state>
    <zip>48392</zip>
  </address>
</addressbook>

File: Transform.xslt

<?xml version="1.0"?>
<xsl:stylesheet version="2.0" 
  xmlns:xs="http://www.w3.org/2001/XMLSchema"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

  <xsl:output method="text"/>

  <xsl:template match="/">
    <xsl:variable name="cities" as="item()*">
      <xsl:sequence select="addressbook/address/city"/>
      <xsl:sequence select="('A', 'B', 'C')"/>
      <xsl:sequence select="('D', 'E', 'F')"/>
    </xsl:variable>
    <xsl:text>Our customers live in these cities:&#xA;&#xA;</xsl:text>
    <xsl:for-each select="$cities">
      <xsl:choose>
        <xsl:when test=". instance of element()">
          <xsl:text>        Node: </xsl:text>
        </xsl:when>
        <xsl:otherwise>
          <xsl:text>Atomic value: </xsl:text>
        </xsl:otherwise>
      </xsl:choose>
      <xsl:value-of select="."/>
      <xsl:text>&#xA;</xsl:text>
    </xsl:for-each>
  </xsl:template>

</xsl:stylesheet>

Output:

Our customers live in these cities:

        Node: Z
Atomic value: A
Atomic value: B
Atomic value: C
Atomic value: D
Atomic value: E
Atomic value: F

 

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