RE: XPath problem

Mike,

I am using Xalan.

Also, I am writing as "/*[name()='type']" as in the actual application I
have some other attribute checks too "/*[name()='type' or name() = 'name'
...]"

Thanks,


                                                                                                                                
                                                                                                                                
                                                      To:     <xsl-list@xxxxxxxxxxxxxxxxxxxxxx>                                 
                    "Michael Kay"                     cc:     (bcc: Sanjay Pandey/Towers Perrin)                                
                    <michael.h.kay@xxxxxxxxxxxx       Subject:     RE:  XPath problem                                      
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                    owner-xsl-list@xxxxxxxxxxxx                                                                                 
                    rytech.com                                                                                                  
                                                                                                                                
                                                                                                                                
                    12/20/2001 09:16 AM                                                                                         
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> I have my XML as follows
>
> <records>
>      <record1 type="type1">
>           <field1 value="xyz">
>      </record1>
>
>      <record1 type = "type2">
>      </record1>
> </records>
>
> If I am looking for an element which does not happen to be an
> attribute my
> logic below works fine in getting the nearest "@type" value
> on the ancestor
> axis.
>
> NodeList nl = XPathAPI.eval(root,
> //xs:field1,prefixResolver).nodelist()
> and then for each Node instance I can get the nearest "@type" value by
> doing something like this

There are quite a few XPath APIs around now that are confusingly similar,
it
would help if you told us which one you were using.
>
>  XObject obj = XPathAPI.eval(currentRecord1Node,"ancestor::
> *[@type][1]/@*[name()='type']",prefixResolver);

Why do you write "/*[name()='type']" rather than "/@type"?

>  String result = obj.toString();
>
> I run into problem when what I am looking happens to be an
> Attribute e,g
> "value". So, if my "currentRecord1Node" is for this attribute element
> "value", I am loosing my Node structure information and I am
> unable to get
> to the nearest "@type" value.

Your terminology is way out (there is no such thing as an attribute
element,
I think you mean an attribute node). But I can't see any reason why the
above expression shouldn't work just because the current node is an
attribute: attributes have ancestors jsut as elements do.

Mike Kay


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