normalize-space : normalize space « XSLT stylesheet « XML

1. XML
2. XSLT stylesheet
3. normalize space

normalize-space

File: Data.xml

<test>
  <sample eid="A" />
  <sample eid="B"></sample>
  <sample eid="C"></sample>
  <sample eid="D"></sample>
  <sample eid="E">some text</sample>
  <sample eid="F">
    <color>blue</color>
  </sample>
  <sample eid="G">
    <color>red</color>
    more text
  </sample>
</test>
File: Transform.xslt

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  version="1.0">
  <xsl:output method="xml" omit-xml-declaration="yes" indent="no" />

  <xsl:template match="sample">
    <xsl:choose>
      <xsl:when test="normalize-space(.)">
        Sample element
        <xsl:value-of select="@eid" />
        isn't empty.
      </xsl:when>
      <xsl:otherwise>
        Sample element
        <xsl:value-of select="@eid" />
        is empty.
      </xsl:otherwise>
    </xsl:choose>
  </xsl:template>
  

</xsl:stylesheet>

Output:


  
        Sample element
        A
        is empty.
      
  
        Sample element
        B
        is empty.
      
  
        Sample element
        C
        is empty.
      
  
        Sample element
        D
        is empty.
      
  
        Sample element
        E
        isn't empty.
      
  
        Sample element
        F
        isn't empty.
      
  
        Sample element
        G
        isn't empty.
      

 

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