current name : current « XPath « XML Tutorial

XML Tutorial
1. Introduction
2. Namespace
3. XML Schema
4. XPath
5. XSLT stylesheet
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XML Tutorial » XPath » current 
4. 3. 1. current name
File: Data.xml

<?xml version="1.0"?>
<root ref="rootref" name="blue">
  <glossary>
    <item ref="blue" name="rootref">rootref</item>
  </glossary>
  <glossary>
    <item ref="itemref" name="itemref">itemref</item>
  </glossary>
</root>
File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml" indent="yes" />
  <xsl:template match="/">
    <xsl:apply-templates select="root" />
  </xsl:template>

  <xsl:template match="root">
    <xsl:for-each select="//glossary/item[@name=current()/@ref]">
      <xsl:copy-of select="." />
      <xsl:for-each select=".">
        <xsl:for-each select="//glossary/item[@name=current()/@ref]">
          <xsl:copy-of select="." />
        </xsl:for-each>
      </xsl:for-each>
    </xsl:for-each>
    <xsl:for-each select="//glossary/item[@name=./@ref]">
      <xsl:copy-of select="." />
    </xsl:for-each>
    <xsl:for-each select=".">
      <xsl:copy-of select="." />
    </xsl:for-each>
  </xsl:template>

</xsl:stylesheet>

Output:

<?xml version="1.0" encoding="UTF-8"?>
<item ref="blue" name="rootref">rootref</item>
<item ref="itemref" name="itemref">itemref</item>
<root ref="rootref" name="blue">
    <glossary>
        <item ref="blue" name="rootref">rootref</item>
    </glossary>

    <glossary>
        <item ref="itemref" name="itemref">itemref</item>
    </glossary>
</root>
4. 3. current
4. 3. 1. current name
4. 3. 2. Sort by current value
4. 3. 3. current() returns a node-set that has the current node as its only member
4. 3. 4. get current node with current() function
4. 3. 5. current() and name()
4. 3. 6. Referring to the Current Node
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