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Re: [xsl] Output CDATA tags


Subject: Re: [xsl] Output CDATA tags
From: David Carlisle <davidc@xxxxxxxxx>
Date: Fri, 28 Jan 2005 13:58:58 GMT

there is nothing in the XPath data model that corresponds to a CDATA
section, CDATA is just a falg to the parser to treat < and & as
characters rather than markup. 

When you have

	<xsl:template match="td" mode="markup">
		<xsl:text><![CDATA[</xsl:text>
		<xsl:copy-of select="child::node()"/>
		<xsl:text>]]></xsl:text>
	</xsl:template>


The XML parser treats this in the same way as


	<xsl:template match="td" mode="markup">
		<xsl:text>&lt;/xsl:text>
		&lt;xsl:copy-of select="child::node()"/>
		&lt;xsl:text></xsl:text>
	</xsl:template>

and that is what the XSLT engine sees, which is why you get the result
you get.

Going from


<p><span>xxx</span>...</p>

to

<![CDATA[<p><span>xxx</span>...</p>]]>

is exactly the same as going from

<p><span>xxx</span>...</p>

to

&lt;p>&lt;span>xxx&lt;/span>...&lt;/p>

and you coude it in the same way, with a template that does something
like

<xsl:template match="*">
  <xsl:text>&lt;</xsl:text>
  <xsl:value-of seelct="name()"/>
  <xsl:text>&gt;</xsl:text>
  <xsl:apply-templates/>
  <xsl:text>/&lt;</xsl:text>
  <xsl:value-of seelct="name()"/>
  <xsl:text>&gt;</xsl:text>
</xsl:template>

(more complete examples (eg handling attributes) in the faq or archives
of this list)

If you want the serialiser to use the CDATA form rather than &lt;
(although you shouldn't really care which it uses) add
cdata-section-elements="td"
to your xsl:stylesheet element.



David

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