Re: [xml-dev] A XSD regex to allow a QName in Clark form

From
<>
To
yamahito <>
Date
2017-09-14T08:01:25Z
ID
<>
Thread
Re: [xml-dev] A XSD regex to allow a QName in Clark form
It's the one I've tried, without success.
...
Best, Tom.

Le 2017-09-14 09:56, yamahito a écrit :
> 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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