RE: [xsl] Newbie Question: Creating Error Description from Invalid Input

It would be more useful to tell us what you tried, then we could see where
you went wrong.

But you can do it like this:

<xsl:template match="header">
  <xsl:copy-of select="*[child::node()]"
  <xsl:if test="*[not(child::node()]">
    <errorDescription>
     <xsl:text>Invalid elements:</xsl:text>
     <xsl:value-of select="*[not(child::node())]/name()" separator=", "/>
    </errorDescription>
  </xsl:if>
</xsl:template>

That's XSLT 2.0. If you're using 1.0, change the value-of line to

<xsl:for-each select="*[not(child::node())]">
  <xsl:value-of select="name()"/>
  <xsl:if test="position()!=last()">, </xsl:if>
</xsl:for-each>

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: Badari [mailto:badbadri(_at_)yahoo(_dot_)com] 
> Sent: 13 October 2006 15:21
> To: XSL List
> Subject: [xsl] Newbie Question: Creating Error Description 
> from Invalid Input
>
> I am a newbie to XSL and am hoping that somebody can help me 
> with the following scenario. I tried to use xsl:variable but 
> was not successful. :(
>  
> I have an "errorDescription" element in the target structure. 
> Depending on the error condition result on input fields, I 
> have to concatenate the field names (that are in error) and 
> post them to the errorDescription field.
>  
> How can I do it?  Any help is appreciated.
>  
> sample input.
>  
> <request>
>  <header>
>   <address1>1234</address1>
>   <address2></address2>
>   <address3>3456</address3>
>   <address4></address4>
>  </header>
> </request>
>  
> If all address elements are expected to have values, and 2nd 
> and 4th don't have values the output file should look like:
>  
> <response>
>  <header>
>   <address1>1234</address1>
>   <address3>3456</address3>
>   <errorDescription>Invalid Elements: 
> Address2,Address4</errorDescription
>  </header>
> </response>
>  
> Thanks in advance for your help.
>  
> Badari
>
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