[xmlsec] Problems with XPath: continued

[Aleksey Sanin]

Forgot to mention one more option: you can use the XPath Filter 2
(http://www.w3.org/TR/xmldsig-filter2/) instead of the original
XPath transform. It is not finally defined yet but you should get
desired results using very simple exporession:
        //Root/Field[3]


Aleksey

Aleksey Sanin wrote:

> Hi!
>
> I can explain why your attempts fail but I have no good solution
> for you. All I can suggest is:      1) add unique 'id' attribute to 
> the Field nodes and use it to select required node
>    2) write a message to LibXML2  mailing list <mailto:xml at gnome.org>
>    and hope that one of smart guys there will suggest something.
> I'll keep thinking and if I'll find something I'll let you know.
>
> Aleksey.
>
> Hans-Juergen.Heinrich at de.gi-de.com wrote:
>
>> Hi,
>>
>> I'm still having problems with XPath:
>> According to your recommendation, "ancestor-or-self::DataField" as
>> an XPath expression works.
>> But what can I do if there is more than one element of the same name
>> in the document and I want to select one of them, say, the third one?
>>
>> "ancestor-or-self::DataField[3]" does not work, for example. I also
>> tried something like "/Root/Field[3]". The effect is always the same: I
>> can change portions of the document which are not below the third
>> occurring "DataField"-element, and the signature will still change, 
>> which
>> is not what I expect.
>>
>> Greetings,
>> Hans-Juergen
>>
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>>  
>>
>
>
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