Siggi,
I have very limited knowledge of XPath/XQuery.
I don't know why your selectPath() call doesn't work. It seems right.
Can you say what version of XMLBeans you are using (2.0? 2.1? latest
svn?)
and also what version of Saxon?
I believe that $this works as advertised with the BEA XQuery engine,
but I'm not sure about Saxon.
Again, I know very little XQuery, but maybe you could try something
along
the lines of
let $cur := .
return //[EMAIL PROTECTED]/@id]
if $this is not working.
- Wing Yew
________________________________
From: Siegfried Baiz [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 16, 2006 12:29 AM
To: [email protected]
Subject: Re: selectPath with FilterExpression using $this
Hello Wing Yew,
yes, that's what I'm looking for. Do you have any idea, why
xo.selectPath("//[EMAIL PROTECTED]/@id]")
doesn't work (for my XmlObject xo with ID-Attribute 'id')?
Or is there some better why to receive all nodes
(with idRef-Attribute) refering to my node xo?
- thanks for your help - Siggi
Wing Yew Poon wrote:
Siggi,
I think you're right. I guess what you need is a variable bound
to the node represented by the XmlObject that you're executing
the
selectPath() from. "$this" is supposed to be that.
- Wing Yew
-----Original Message-----
From: Siegfried Baiz [mailto:[EMAIL PROTECTED]
Sent: Wednesday, March 15, 2006 3:09 AM
To: [email protected]
Subject: Re: selectPath with FilterExpression using $this
For the Expression xo.selectPath("//[EMAIL PROTECTED]/@id]"
<mailto://[EMAIL PROTECTED]/@id]> ) I get an empty
result-array.
Doesn't the left- and the right-hand-side of that
filter-expression
always refer to the same node, which would mean,
that the xpath-engine tries to select any nodes with
the two attributes @idRef & @id having the same value?
- Siggi -
Siggi,
can you try
xo.selectPath("//[EMAIL PROTECTED]/@id]"
<mailto://[EMAIL PROTECTED]/@id]> );
and see if that works?
- Wing Yew
-----Original Message-----
From: Siegfried Baiz [mailto:[EMAIL PROTECTED]
Sent: Tuesday, March 14, 2006 10:11 AM
To: [email protected]
Subject: selectPath with FilterExpression using $this
Hello,
for a given XmlObject xo with an ID-Attribute 'id',
I've tried to launch the following xpath-expression:
xo.selectPath("//[EMAIL PROTECTED]/@id]")
in order to get all nodes (with idRef-Attribute)
refering to my node
xo.
Unfortunatlly this expression seems not to work. I
always get an
java.lang.ArrayIndexOutOfBoundsException from the
underlying
net.sf.saxon.expr.XPathContextMajor.setLocalVariable(XPathContextMajor.
j
ava:213)
At
http://xmlbeans.apache.org/docs/2.0.0/guide/conSelectingXMLwithXQueryPa
t
hXPath.html
I found the following notice:
"Notice in the query expression that the
variable $this
represents
the current context node (the XmlObject that
you are querying
from).
In this example you are querying from the
document level
XmlObject."
After reading that sentence I've been thinking, that
$this is somehow
similar to "curent()" in XSLT, but maybe a got the
meaning wrong.
Does anyone know whats the problem here rsp.
is there a better way to accomplish the same thing?
Thanks a lot,
Siggi
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