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RE: XSD spec question
- To: "Razvan MIHAIU" <mihaiu@m...>, "Eric van der Vlist" <vdv@d...>
- Subject: RE: XSD spec question
- From: "Chiusano Joseph" <chiusano_joseph@b...>
- Date: Wed, 27 Apr 2005 13:05:36 -0400
- Cc: <xml-dev@l...>
- Thread-index: AcVLR/gQ3xT6tTfnQgCIZuLMvKG4mAAA1zel
- Thread-topic: XSD spec question
Please see comments below
marked with [JMC].
From: Razvan MIHAIU
[mailto:mihaiu@m...]
Sent: Wed 4/27/2005 12:33 AM
To:
Eric van der Vlist
Cc: xml-dev@l...
Subject: Re:
XSD spec question
Eric van der Vlist wrote:
On mar, 2005-04-26 at 13:22 -0700, Chris Griffin wrote:
In section 3.14.2 of http://www.w3.org/TR/xmlschema-1/ it says "{any
attributes with non-schema namespace . . . }" Does that mean I can
add my own attributes? For example can I do this:
<simpleType name="myName" xyz:myattribute="something">
. . .
</simpleType>
Exactly!
Eric
I was not aware of this feature before. In fact, if the
above is true, it is not possible to validate an XML Schema (which itself is an
XML document) against a DTD because there is no way to specify in a DTD that an
element can have any attributes.
[JMC] Why would you want to
validate an XML against a DTD, when an XML schema validator will serve this
purpose? The obvious question is why would
you need attributes outside the XML Schema specification ?
[JMC] That's actually a
rather unclear question. The XML Schema specification includes the ability to
declare attributes. You declare attributes as you need, as long as your XML
schema conforms to the W3C Schema specification. Sounds like you are thinking
one "meta" layer too far.
Kind Regards,
Joseph Chiusano
Booz Allen Hamilton
Visit us online@ http://www.boozallen.com
If you extend an XML Schema in such a way then you defeat one of the
main goals of XML, which is to be portable (only you tool will understand the
custom attributes)
--
Regards,
Razvan
SCJP preparation
material:
http://www.mihaiu.name/2004/sun_java_scjp_310_035/index.html
http://www.mihaiu.name/2004/sun_java_scjp_310_035_test1/index.html
http://www.mihaiu.name/2004/sun_java_scjp_310_035_test2/index.html
http://www.mihaiu.name/2004/sun_java_scjp_310_035_test3/index.html
http://www.mihaiu.name/2004/sun_java_scjp_310_035_test4/index.html
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