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Re: [xsl] XPath expression to find all items with an attribute whose value is xs: hexBinary or xs:base64Binary?

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Try

> some $i in @*[. castable as xs:QName] satisfies ...

Michael Kay
Saxonica


> On 25 Feb 2016, at 15:04, Costello, Roger L. costello@xxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Hi Folks,
>
> I am trying to create an XPath expression to find any XSD items that have an
attribute with value xs:hexBinary or xs:base64Binary. Here's the XPath that I
tried:
>
> //xs:*[some $i in @* satisfies
>  namespace-uri-from-QName(resolve-QName($i, .)) eq
'http://www.w3.org/2001/XMLSchema'
>  and
>  local-name-from-QName(resolve-QName($i, .)) = ('base64Binary',
'hexBinary')]
>
> When I apply that XPath expression to the below schema, I get this
mysterious error message:
>
> 	XPath failed due to: Invalid QName {15}
>
> Huh? What does that mean?
>
> What's the correct way to write the XPath?  /Roger
>
>
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> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
>
>    <xs:element name="person">
>        <xs:complexType>
>            <xs:sequence>
>                <xs:element name="firstname">
>                    <xs:simpleType>
>                        <xs:restriction base="xs:string">
>                            <xs:maxLength value="15"/>
>                        </xs:restriction>
>                    </xs:simpleType>
>                </xs:element>
>                <xs:element name="photo" type="xs:base64Binary"/>
>            </xs:sequence>
>        </xs:complexType>
>    </xs:element>
> </xs:schema>

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