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[cellml-dev] using InputFormatToMathML


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  • From: alan.garny at dpag.ox.ac.uk (Alan Garny)
  • Subject: [cellml-dev] using InputFormatToMathML
  • Date: Wed, 21 Jul 2010 10:12:28 +0100
Hi Lucian,

I am not sure whether the following is going to help you or not (I haven't
checked your exact requirements), but I thought I would nonetheless mention
some code that I wrote at some point:
[OpenCell]/DataCollector/CellMLInputServices.cpp and
[OpenCell]/DataCollector/CellMLInputServices.h, which you can find at:
http://cellml-opencell.hg.sourceforge.net/hgweb/cellml-opencell/cellml-openc
ell/file/cbed9143ab55/DataCollector.

Alan

> -----Original Message-----
> From: cellml-tools-developers-bounces at cellml.org [mailto:cellml-tools-
> developers-bounces at cellml.org] On Behalf Of Lucian Smith
> Sent: 20 July 2010 23:26
> To: A list for the developers of CellML tools
> Subject: Re: [cellml-dev] using InputFormatToMathML
>
> Thanks! That was the information I needed to get InputFormatToMathML to
> work.
>
> However, now I'm stuck trying to add that math to a CellMLComponent. I
tried
> upcasting the resulting domIElement to a mathml_domIMathMLElement, so I
> could use 'AddMath', but there was no interface to do so:
>
> nsCOMPtr<domIElement> mathml;
> nsCString formstring = ToNSCString(formula);
> MathMLInputServices mmlis;
> rv = mmlis.InputFormatToMathML(doc, formstring, getter_AddRefs(mathml));
> nsCOMPtr<mathml_domIMathMLElement> recast_mathml;
> rv = mathml->QueryInterface(recast_mathml->GetIID(),
> getter_AddRefs(recast_mathml));
> NS_ENSURE_SUCCESS(rv, false);
> rv = upcast_cmlcomp->AddMath(recast_mathml);
>
> So, is there some other way to either a) turn a domIElement into a
> mathml_domIMathMLElement, or b) add a domIElement to a
> cellml_apiICellMLComponent?
>
> I also have a more theoretical question--I created a 'Model' with a
Bootstrap
> thingy, and then created a new 'domIDocument' with the same bootstrap so
> that InputFormatToMathML would work (as explained below).
> But is there a domIDocument that it created already for the 'Model'? And
if so,
> can I get it? *Should* I get it? I'm not sure why I would want to or
not.
>
> Thanks again!
>
> -Lucian
>
> * Justin Marsh <j.marsh at auckland.ac.nz> [2010-07-20 04:40] writes:
> > Hi Lucian,
> >
> > My apologies for the delay in replying. InputFormatToMathML does
> > require a real domIDocument*, as this is used to generate the output
> > domIElement*; domIElements must be resident in a domIDocument.
> >
> > If you have a domIDOMImplementation di, you should be able to use
> > something like
> >
> > nsCOMPtr<domIDocumentType> dt;
> > nsCOMPtr<domIDocument> doc;
> > nsCString model("model"), none("");
> > rv = di->CreateDocumentType(model, none, none, getter_AddRefs(dt)); rv
> > = di->CreateDocument(none, model, dt, getter_AddRefs(doc));
> >
> > You can get a domIDOMImplementation object from (for example)
> > cellml_apiICellMLBootstrap::DomImplementation
> >
> > Best Regards,
> > Justin.
> >
> > Quoting Lucian Smith <lpsmith at spod-central.org>:
> >
> > >...anyone?
> > >
> > >* Lucian Smith <lpsmith at spod-central.org> [2010-07-15 21:55] writes:
> > >>So, I have the following code:
> > >>
> > >> nsCOMPtr<domIElement> mathml;
> > >> nsCString formstring("x = y");
> > >> MathMLInputServices mmlis;
> > >> rv = mmlis.InputFormatToMathML(NULL, formstring,
> > >>getter_AddRefs(mathml));
> > >>
> > >>The return code is 2147942487, which if I translate to hex, I can
> > >>find is either "NS_ERROR_ILLEGAL_VALUE" or "NS_ERROR_INVALID_ARG".
> > >>*Which* argument, it won't tell me, but I'm guessing it's the NULL.
> > >>
> > >>Now, when I was translating the other way, NULL was fine:
> > >>
> > >> rv = mmlis.MathMLToInputFormat(input, NULL, indent, cinfix);
> > >>
> > >>but, I suppose, no longer.
> > >>
> > >>Since InputFormatToMathML is from OpenCell, not the API, I don't
> > >>have any documentation at all, so I turn to you all and ask: am I
> > >>right that it requires a real 'domIDocument*'? And if so, how do I go
about
> making one?
> > >>Do I make (I assume) a mathml_domIMathMLDocument and cast it? Is
> > >>there a mathml_domIMathMLDocument factory somewhere?
> > >>
> > >>-Lucian
> > >>_______________________________________________
> > >>cellml-tools-developers mailing list
> > >>cellml-tools-developers at cellml.org
> > >>http://www.cellml.org/mailman/listinfo/cellml-tools-developers
> > >_______________________________________________
> > >cellml-tools-developers mailing list
> > >cellml-tools-developers at cellml.org
> > >http://www.cellml.org/mailman/listinfo/cellml-tools-developers
> > >
> >
> >
> >
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