OASIS eXtensible Access Control Markup Language (XACML) TC

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XPath/AttributeSelector question

  • 1.  XPath/AttributeSelector question

    Posted 05-05-2004 21:21
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    Subject: XPath/AttributeSelector question


    
    Ok. I'm hoping that someone who's more of an XPath hacker than I can 
    help me with this one.
    
    The 1.x specification says in 5.32 (Element <AttributeSelector>) that 
    the context node for the given XPath expression is the Request element. 
    As I understand the term "context node" this means not only that the 
    Request element is the root of the XPath query, but that the Request 
    element also provides all namespace information. Is this correct?
    
    The reason I ask is because in the conformance tests one of the test 
    cases (IIIF007) has an AttributeSelector with an XPath expression that 
    relies on namespace definitions from the Policy root element. If this is 
    really valid, then I believe (though I may be wrong) that the text in 
    5.32 is incorrect or incomplete.
    
    Can someone help me out here?
    
    
    seth
    
    


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