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[xsl] Re: Determining whether no single instance of a specific node exists

2009-06-04 14:28:10
Sorry, my XSL examples weren't quite right.  I'm trying to determine
whether no instance of <c/> exists for each <b/> set.

So, in my XSL document, assume I'm processing each <a/> node.

1,
<xsl:when test="not(b/c)">

2.
<xsl:when test="count(not(b/c)) &gt;= 1">

Thanks,
Mark


On Thu, Jun 4, 2009 at 2:20 PM, Mark Peters 
<markpeters(_dot_)work(_at_)gmail(_dot_)com> wrote:
Hi Everyone,

I have the following XML document:

    <a>
            <b/>
            <b/>
            <b/>
    </a>
    <a>
            <b/>
            <b/>
            <b>
                    <c/>
            </b>

    </a>
    <a>
            <b/>
            <b/>
            <b/>
    </a>

For each <b/> set, I want to apply a transformation only if no single
instance of <c/> exists. I know how to check whether a node does
exist, but not how to check whether no single instance of the node
exists.

I've tried the following conditional statements without success:

1,
<xsl:when test="not(a/b/c)">

2.
<xsl:when test="count(not(a/b/c)) &gt;= 1">


What conditional statement should I use?

Thanks in advance for any help.

Mark


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