Critical Description
Consider the following XML file:
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<xmldata>
<value/>
<value/>
</xmldata>
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Consider the following XSL file:
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<xsl:stylesheet version = '1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>
<xsl:variable name="doc" select="xmldata"/>
<xsl:template match="xmldata">
<html>
<head/>
<body>
Number of elements: <xsl:value-of select="count($doc/value)"/>
<br/>
Number of elements: <xsl:value-of select="count($doc/value)"/>
<br/>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
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As you can see, the output should be an html page showing the total number of elements twice. However, this is the output:
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Number of elements: 2
Number of elements: 4
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Now consider the following XSL file:
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<xsl:stylesheet version = '1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>
<xsl:template match="xmldata">
<xsl:variable name="doc" select="."/>
<html>
<head/>
<body>
Number of elements: <xsl:value-of select="count($doc/value)"/>
<br/>
Number of elements: <xsl:value-of select="count($doc/value)"/>
<br/>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
---------------------------------------------------
Now the output is correct:
---------------------------------------------------
Number of elements: 2
Number of elements: 2
---------------------------------------------------
Comparing the two XSL files, the only diference is that the "doc" variable is declared outside or inside the template.
Thank you!
Attachments
Issue Links
- duplicates
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XALANJ-2204 Function Count on variable modifies number of nodes in variable.
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- Closed
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- relates to
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- Closed
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