it's not possible by using <xsl:copy-of/>, but by using the identity transformation. Replace your <xsl:copy-of select="tagA"/> with <xsl:apply-templates select="tagA" mode="copy"/> and add the following template to your stylesheet:
<xsl:template match="node()" mode="copy">
<xsl:copy>
<xsl:copy-of select="@*"/>
<xsl:apply-templates select="*|text()[normalize-space()]" mode="copy"/>
</xsl:copy>
</xsl:template>In this identity transformation only elements and text nodes containing non-whitespace characters are copied to the output.
Regards,
Joerg
Stefan Pietschmann wrote:
hi guys,
at the moment I'm writing a Transformer for Cocoon 2.0.4 and my problem is as follows:
There are certain tags not touched by the xslt a step earlier in the pipeline and I want to read them out. let's say the structure is:
<tagA>
<sub/>
</tagA>
Now I simply use xsl:copy-of in my XSLT to copy tagA over in the output, so I am able to read it out in the following Transformer step.
There I can search for tagA and make it a Node variable. I want to check whether the first childnode of it is called "sub" or "seb".
When I just output all the childnodes of tagA with their names (getNodeName()) I get
child1: "#text: "
child2: "sub: ...."
child3: "#text: "
well, it seems obvious that there are whitespaces before and after the sub tag, which occur when using copy-of with an indented (a.k.a pretty-printed) document.
If i change the original to be like <tagA><sub/></tagA> sub is the first and only childnode, otherwise not.
Now the question: Can I somehow get rid of whitespaces between tags when copying tagA over to the output in my xslt?
Thanx for your help and I hope you got what i meant :P
Stefan Pietschmann
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