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Posted to p-dev@xerces.apache.org by Fabrice Landrodie <fa...@sxb.bsf.alcatel.fr> on 2002/09/11 11:31:37 UTC
compatibility with Xerces 2.0
Hello,
i am new on this list and i am wondering if there is some news about the
production of xerces-p for Xerces 2.0 ?
Have you an idea of the release date ??
Thank you,
Fabrice
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Re: compatibility with Xerces 2.0
Posted by "Jason E. Stewart" <ja...@openinformatics.com>.
"Fabrice Landrodie" <fa...@sxb.bsf.alcatel.fr> writes:
> I had a look on the problem you observe in getFirstChild() method
> and I think it could be a problem of multiple inheritance and
> dynamic cast :
God bless you!
I'm not sure this is the problem, but I'm *really* grateful that you
took the time to investigate. I'll look into this later today and
write more.
(It really helps just to know that others care)
Cheers,
jas.
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Re: compatibility with Xerces 2.0
Posted by Fredrick Paul Eisele <ph...@netarx.com>.
Thanks!
Looks like you are making progress on this issue.
Sorry I haven't had time to help.
(I wanted to encourage those who have.)
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Re: compatibility with Xerces 2.0
Posted by "Jason E. Stewart" <ja...@openinformatics.com>.
"Fabrice Landrodie" <fa...@sxb.bsf.alcatel.fr> writes:
> Swig : 1.3.13
>
> Xerces-P : your pre-version under CVS. I just regenerate Xerces.C
> and Xerces.pm with my system.
Hey Fabrice,
I think the new version of SWIG may be the difference. Can you post
your versions of Xerces.C/pm? I'll get the new version of SWIG and use
it as well, but just in case, I'd like to have something that works.
Thanks again!
jas.
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Re: compatibility with Xerces 2.0
Posted by Fabrice Landrodie <fa...@sxb.bsf.alcatel.fr>.
So here is the component I used to test the wrapper :
OS : Linux RedHat 7.2 (kernel 2.4.7)
compiler : gcc-2.96
Xerces-C : Official version 2.0 (recompiled on my system)
Swig : 1.3.13
Xerces-P : your pre-version under CVS. I just regenerate Xerces.C and Xerces.pm
with my system.
Hope this help you !!
Have a nice week-end,
Fabrice
"Jason E. Stewart" wrote:
> "Fabrice Landrodie" <fa...@sxb.bsf.alcatel.fr> writes:
>
> > I use today the test programs and I don't have any "serious"
> > problem. The tests are going well excepted for the equality operator
> > ( that is no more used I think ?).
> >
> > Moreover, I have written a sample program that uses the getFirstChild() method
> > and I don't have any problem. The object return by this method is good and I
> > can have its value or name or attributes.
> >
> > So, what is exactly the symptom of your problem and what are the
> > tests that do not work well ?
>
> Well, this could be good news!
>
> What operating system are you using (I use linux)?
>
> What compiler version are you using (I use gcc-2.95)?
>
> What version of Xerces-C are you using (I've been using an old CVS
> checkout of pre-2.0).
>
> Let me know and I can test again on my machine.
>
> Thanks,
> jas.
>
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Re: compatibility with Xerces 2.0
Posted by "Jason E. Stewart" <ja...@openinformatics.com>.
"Fabrice Landrodie" <fa...@sxb.bsf.alcatel.fr> writes:
> I use today the test programs and I don't have any "serious"
> problem. The tests are going well excepted for the equality operator
> ( that is no more used I think ?).
>
> Moreover, I have written a sample program that uses the getFirstChild() method
> and I don't have any problem. The object return by this method is good and I
> can have its value or name or attributes.
>
> So, what is exactly the symptom of your problem and what are the
> tests that do not work well ?
Well, this could be good news!
What operating system are you using (I use linux)?
What compiler version are you using (I use gcc-2.95)?
What version of Xerces-C are you using (I've been using an old CVS
checkout of pre-2.0).
Let me know and I can test again on my machine.
Thanks,
jas.
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Re: compatibility with Xerces 2.0
Posted by Fabrice Landrodie <fa...@sxb.bsf.alcatel.fr>.
Hello Jason,
I use today the test programs and I don't have any "serious" problem. The
tests are going well excepted for the equality operator ( that is no more used
I think ?).
Moreover, I have written a sample program that uses the getFirstChild() method
and I don't have any problem. The object return by this method is good and I
can have its value or name or attributes.
So, what is exactly the symptom of your problem and what are the tests that do
not work well ?
Fabrice
"Jason E. Stewart" wrote:
> "Fabrice Landrodie" <fa...@sxb.bsf.alcatel.fr> writes:
>
> > I had a look on the problem you observe in getFirstChild() method and I
> > think it could be a problem of multiple inheritance and dynamic cast :
> >
> > In Xerces-c-1_7, DOMDocument class inherites only from DOMNode class, so
> > that the static cast always works.
> >
> > But in Xerces-c-2_0, DOMDocument class inherites from 3 objects :
> > DOMDocumentRange, DOMDocumentTraversal and DOMNode. So the cast of a
> > pointer from this object is now less easy to do. A dynamic cast has to be
> > used to ensure a good conversion.
> >
> > This problem is explained in SWIG doc1.3 (
> > http://www.swig.org/Doc1.3/SWIGPlus.html#n19 ).
> >
> > Do you think it could be the cause of the problem you have ?
>
> Thanks again Fabrice for looking into this.
>
> I don't understand the discussion well enough to see how to implement
> a fix. How can dynamic_cast<> help in this case?
>
> > Moreover, could you send me the program you use to test the Xerces-p. It
> > would be helpfull for me to be sure we have both the same behaviour.
>
> Just run make test, or run any of the t/DOM* tests - most if not all
> of them fail because of the problem.
>
> jas.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: xerces-p-dev-unsubscribe@xml.apache.org
> For additional commands, e-mail: xerces-p-dev-help@xml.apache.org
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Re: compatibility with Xerces 2.0
Posted by "Jason E. Stewart" <ja...@openinformatics.com>.
"Fabrice Landrodie" <fa...@sxb.bsf.alcatel.fr> writes:
> I had a look on the problem you observe in getFirstChild() method and I
> think it could be a problem of multiple inheritance and dynamic cast :
>
> In Xerces-c-1_7, DOMDocument class inherites only from DOMNode class, so
> that the static cast always works.
>
> But in Xerces-c-2_0, DOMDocument class inherites from 3 objects :
> DOMDocumentRange, DOMDocumentTraversal and DOMNode. So the cast of a
> pointer from this object is now less easy to do. A dynamic cast has to be
> used to ensure a good conversion.
>
> This problem is explained in SWIG doc1.3 (
> http://www.swig.org/Doc1.3/SWIGPlus.html#n19 ).
>
> Do you think it could be the cause of the problem you have ?
Thanks again Fabrice for looking into this.
I don't understand the discussion well enough to see how to implement
a fix. How can dynamic_cast<> help in this case?
> Moreover, could you send me the program you use to test the Xerces-p. It
> would be helpfull for me to be sure we have both the same behaviour.
Just run make test, or run any of the t/DOM* tests - most if not all
of them fail because of the problem.
jas.
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Re: compatibility with Xerces 2.0
Posted by Fabrice Landrodie <fa...@sxb.bsf.alcatel.fr>.
Hello Jason,
I had a look on the problem you observe in getFirstChild() method and I
think it could be a problem of multiple inheritance and dynamic cast :
In Xerces-c-1_7, DOMDocument class inherites only from DOMNode class, so
that the static cast always works.
But in Xerces-c-2_0, DOMDocument class inherites from 3 objects :
DOMDocumentRange, DOMDocumentTraversal and DOMNode. So the cast of a
pointer from this object is now less easy to do. A dynamic cast has to be
used to ensure a good conversion.
This problem is explained in SWIG doc1.3 (
http://www.swig.org/Doc1.3/SWIGPlus.html#n19 ).
Do you think it could be the cause of the problem you have ?
Moreover, could you send me the program you use to test the Xerces-p. It
would be helpfull for me to be sure we have both the same behaviour.
Cheers,
Fabrice
"Jason E. Stewart" wrote:
> "Fabrice Landrodie" <fa...@sxb.bsf.alcatel.fr> writes:
>
> > i am new on this list and i am wondering if there is some news about
> > the production of xerces-p for Xerces 2.0 ?
>
> Hi, Welcome to the list.
>
> There is a list archive at:
>
> http://marc.theaimsgroup.com/?l=xerces-p-dev&r=1&w=2
>
> You can look at the short discussion we had last month.
>
> > Have you an idea of the release date ??
>
> If I can get help with the C++ bug, it will be soon. If I can't get
> help it won't happen.
>
> Cheers,
> jas.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: xerces-p-dev-unsubscribe@xml.apache.org
> For additional commands, e-mail: xerces-p-dev-help@xml.apache.org
"Jason E. Stewart" wrote:
> "Fabrice Landrodie" <fa...@sxb.bsf.alcatel.fr> writes:
>
> > i am new on this list and i am wondering if there is some news about
> > the production of xerces-p for Xerces 2.0 ?
>
> Hi, Welcome to the list.
>
> There is a list archive at:
>
> http://marc.theaimsgroup.com/?l=xerces-p-dev&r=1&w=2
>
> You can look at the short discussion we had last month.
>
> > Have you an idea of the release date ??
>
> If I can get help with the C++ bug, it will be soon. If I can't get
> help it won't happen.
>
> Cheers,
> jas.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: xerces-p-dev-unsubscribe@xml.apache.org
> For additional commands, e-mail: xerces-p-dev-help@xml.apache.org
Re: compatibility with Xerces 2.0
Posted by "Jason E. Stewart" <ja...@openinformatics.com>.
"Fabrice Landrodie" <fa...@sxb.bsf.alcatel.fr> writes:
> i am new on this list and i am wondering if there is some news about
> the production of xerces-p for Xerces 2.0 ?
Hi, Welcome to the list.
There is a list archive at:
http://marc.theaimsgroup.com/?l=xerces-p-dev&r=1&w=2
You can look at the short discussion we had last month.
> Have you an idea of the release date ??
If I can get help with the C++ bug, it will be soon. If I can't get
help it won't happen.
Cheers,
jas.
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