On Monday 27 June 2005 09:04, Kasimier Buchcik wrote:
> Hi,
>
> On Sun, 2005-06-26 at 17:51 -0400, Daniel Veillard wrote:
> > On Sun, Jun 26, 2005 at 02:47:45PM -0500, Rob Benton wrote:
> > > Hey guys I have been looking through a lot of the old messages in the
> > > archive about validation using schemas. I wanted to see what the
> > > current state of that is. Is it still incomplete?
> >
> > Mostly complete, but there are bugs left, depends how "hard" your
> > schemas are I guess.
>
> To summarise it a bit:
>
> 1. We don't support <redefine>s yet.
> 2. <any> with a namespace of "##other" does only work if
> minOccurs/maxOccurs both are 1 [1].
> 3. We don't support ID/IDREF yet [2] - use identity-constraints instead
> 4. The complex content model cannot be built in some cases [3]
> 5. The subset of XPath for identity-constraints is not checked yet, so
> be careful what expressions you use
> 6. Complex type <restriction>s are not checked for being a valid
> restriction. I recommend using an other XS processor if you need a
> teacher for valid restrictions.
> 7. The data-type section seems to work pretty well, except for
> float and double values, where we don't support the whole range of
> values (extremely low/high values)
>
> We have still some failures in the W3C test suite, mostly on the
> MS side; many of the failures are due to the tests itself being
> broken, but some of them might reveal some new bugs. I'm already a
> bit burned out by looking at every single test and compare the results
> with Xerces and XSV - there are simply too many of them (about > 7K).
> The W3C schema test suite is currently under revision by the W3C
> people, so we should get more accurate/assured results soon.
>
> If you need exact knowledge of the missing parts, search for "TODO" in
> xmlschemas.c. Many of the TODOs should be internal, but some of them
> are directly related to missing parts in the spec.
A follow up question: how does xmllint's current schema state relate to the
Schema for Schemas?[1] With xmllint 2.6.19 it fails to compile for me, error
message below[2].
Are the obstacles for making it work relatively minor or is support for the
Schema for Schemas far away?
(assuming I got the facts right)
Cheers,
Frans
1.
http://www.w3.org/2001/XMLSchema.xsd
2.
bash-2.05b$ xmllint --schema http://www.w3.org/2001/XMLSchema.xsd tests.xml
http://www.w3.org/2001/XMLSchema.xsd:1359: element simpleType: Schemas parser
error : simple type 'string': The variety is absent.
http://www.w3.org/2001/XMLSchema.xsd:1832: element simpleType: Schemas parser
error : simple type 'normalizedString': The variety is absent.
http://www.w3.org/2001/XMLSchema.xsd:1843: element simpleType: Schemas parser
error : simple type 'token': The variety is absent.
http://www.w3.org/2001/XMLSchema.xsd:1968: element simpleType: Schemas parser
error : simple type 'Name': The variety is absent.
http://www.w3.org/2001/XMLSchema.xsd:1985: element simpleType: Schemas parser
error : simple type 'NCName': The variety is absent.
http://www.w3.org/2001/XMLSchema.xsd:2010: element simpleType: Schemas parser
error : simple type 'IDREF': The variety is absent.
http://www.w3.org/2001/XMLSchema.xsd:1892: element simpleType: Schemas parser
error : simple type: The item type '{http://www.w3.org/2001/XMLSchema}IDREF'
does not have a variety of atomic or union.
http://www.w3.org/2001/XMLSchema.xsd:2018: element simpleType: Schemas parser
error : simple type 'ENTITY': The variety is absent.
http://www.w3.org/2001/XMLSchema.xsd:1918: element simpleType: Schemas parser
error : simple type: The item type '{http://www.w3.org/2001/XMLSchema}ENTITY'
does not have a variety of atomic or union.
http://www.w3.org/2001/XMLSchema.xsd:1925: element simpleType: Schemas parser
error : simple type 'NMTOKEN': The variety is absent.
http://www.w3.org/2001/XMLSchema.xsd:1961: element simpleType: Schemas parser
error : simple type: The item type
'{http://www.w3.org/2001/XMLSchema}NMTOKEN' does not have a variety of atomic
or union.
WXS schema http://www.w3.org/2001/XMLSchema.xsd failed to compile
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