As I use this value to create a new net.sf.saxon.s9api.QName, via
constructor and factory methods, I'm gonna check this.
Thanks a lot for this precises explanations.
Best regards,
Christophe
Le 2017-09-14 11:04, Michael Kay a écrit :
> Some more precise terminology might help.
>
> Clark notation is described here:
>
> http://www.jclark.com/xml/xmlns.htm
>
> and uses the notation "{uri}local" for a name that is in a namespace.
> That page doesn't define a corresponding notation for a name in no
> namespace, but it would be wise to accept either "local" or "{}local"
> unless specified otherwise. The JAXP API (for example
> Transformer.setParameter) uses Clark notation (without naming it) and
> says that "local" should be used for a no-namespace name: it does not
> allow "{}local".
>
> XPath 3.0 introduces a similar syntax. An EQName is either a (lexical)
> QName (format: (prefix:)?local ), or a URIQualifiedName, format
>
> "Q" "{" [^{}]* "}" NCName
>
> which is equivalent to the regex
>
> Q\{[^{}]*\}\i\c*
>
> This format explicitly allows a no-namespace name to be written as
> Q{}local.
>
> Michael Kay
> Saxonica
>
>> On 14 Sep 2017, at 08:56, yamahito <> wrote:
>> Try
>> <xs:pattern value="Q?\{[^\}]+\}[^:\{\}]+"/>
>> ?
>>
>> On Thu, 14 Sep 2017 at 7:55 am, <> wrote:
>>
>>> Hi !
>>>
>>> I'm not a regex killer, especially when regex flavour is not the
>>> one I
>>> use on my linux box...
>>>
>>> In a schema, I need a simple type that allows a QName, written
>>> either
>>> "prefix:localName" or in ClarkeForm "Q{nsUri}localName", or in
>>> the-last-one-I-cant-remember-the-name "{nsUri}localName"
>>>
>>> I've started with the one available in XSD schema :
>>>
>>> <xs:simpleType name="QName">
>>> <xs:annotation>
>>> <xs:documentation> A QName. This schema does not use the
>>> built-in
>>> type xs:QName, but rather defines its own QName type. Although
>>> xs:QName
>>> would define the correct validation on these attributes, a schema
>>> processor would expand unprefixed QNames incorrectly when
>>> constructing
>>> the PSVI, because (as defined in XML Schema errata) an unprefixed
>>> xs:QName is assumed to be in the default namespace, which is not
>>> the
>>> correct assumption for XSLT. The data type is defined as a
>>> restriction
>>> of the built-in type Name, restricted so that it can only contain
>>> one
>>> colon which must not be the first or last character. TODO: change
>>> implementation to allow use ClarkeForm </xs:documentation>
>>> </xs:annotation>
>>> <xs:restriction base="xs:Name">
>>> <xs:pattern value="([^:]+:)?[^:]+"/>
>>> </xs:restriction>
>>> </xs:simpleType>
>>>
>>> But my pattern for ClarkeForm isn't correct :
>>> <xs:pattern value="Q?\{[^\{]+\}[^:\{\}]+"/>
>>>
>>> Any help will be appreciated.
>>> Thanks in advance,
>>> Christophe
>>>
>>>
>>
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