On Fri, Feb 24, 2012 at 2:14 PM, Johan Corveleyn <jcor...@gmail.com> wrote:
...
> I'm running into a "non-determinist" error with a schema even though I
> don't think it's non-determinist (and both XSV and Xerces agree with
> me; they too have no problem with the schema). I have reduced my
> test-case to a simple example, see below.

On Tue, Feb 28, 2012 at 6:00 AM, Daniel Veillard <veill...@redhat.com> wrote:
...
>  Well in that case it seems the underlying code is generating a
> wrong automata so it should be a matter of running that minimal
> test case under gdb with the breakpoint appropriately set to find out
> what wrong transition got added ...

I'd like to take a stab at this issue. I've been able to get the
latest 2.9.0 snapshot (from
ftp://xmlsoft.org/libxml2/libxml2-git-snapshot.tar.gz) to build in
Visual Studio 2010. I can still reproduce the issue.

But I need some guidance. What part of the code should I be looking
at? Where do I have to set the "breakpoint appropriately to find out
the wrong transition that got added"?

Alternatively, if you or anyone else on this list can fix the issue
already, that would be even better :-).

To summarize, the issue is this:
> Given the following schema:
>
>         <?xml version="1.0" encoding="UTF-8"?>
>         <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";>
>                 <xs:element name="rules">
>                         <xs:complexType>
>                                 <xs:sequence>
>                                         <xs:element name="rule" minOccurs="0" 
> maxOccurs="unbounded"/>
>                                         <xs:sequence minOccurs="0" 
> maxOccurs="1">
>                                                 <xs:element 
> name="specialRule" minOccurs="1" maxOccurs="1"/>
>                                                 <xs:element name="rule" 
> minOccurs="0" maxOccurs="unbounded"/>
>                                         </xs:sequence>
>                                 </xs:sequence>
>                         </xs:complexType>
>                 </xs:element>
>         </xs:schema>
>
> xmllint complains with "Schemas parser error : local
> complex type: The content model is not determinist."
> But it isn't.

See also https://bugzilla.gnome.org/show_bug.cgi?id=670865.

-- 
Johan
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