Re: [Wbxmllib-devel] CDATA encoded into opaque

Hi,
    Thanks for your answer. Yes, libwbxml will report CDATA as text.

Yes, an XML file can be converted in many different ways into an WBXML=20
document, when it comes to inlining strings or referencing the string=20
the string table, but these are all standardized, and hence deterministic=
.

The decoder can handle the different encodings because they are valid=20
with respect to the WBXML specs. What is not deterministic is if the=20
decoder sees OPAQUE, what's in it.

Or?

I don't quite get the third paragraph. Do you mean the WBXML OPAQUE conte=
nt?

Really there should be standardized way of determining what is the=20
OPAQUE...no? One could say, for example, if the WBXML is SyncML, then=20
the OPAQUE is CDATA, no?

Best Regards,

Philippe Laporte
Software=20

Gatespace Telematics
F=F6rsta L=E5nggatan 18
41328 G=F6teborg
Sweden
Phone: +46 702 04 35 11
Fax:   +46 31 24 16 50
Email: philippe.laporte-FIFhI/qTGH1saXRJfIyQzzlRY1/[email protected]



Rasmus Lock Larsen wrote:

> I see your point. Actually, the wbxmllib will not decode an WBXML=20
> document encoded from an XML containing CDATA into the same XML (since=20
> the CDATA tags are not added when decoding OPAQUE WBXML).
> =20
> My key-point is, that you CAN'T ensure interoperability when talking=20
> about WBXML (since there is an almost unlimited number of WBXML=20
> documents representing the same XML document), so as long as your=20
> decoder can handle the different combinations of encodings, the=20
> interoperability should be ensured (in XML that is).
> =20
> Never write any logic (except in the decoder) that uses the WBXML=20
> content, since the WBXML content is so ambiguous, you will most likely=20
> increase the code-complexity and still not have a 100%=20
> interoperability coverage.
> =20
> Br. Rasmus
> =20
> On 8/22/05, *Philippe Laporte*=20
> <philippe.laporte-FIFhI/qTGH1saXRJfIyQzzlRY1/[email protected]=20
> <mailto:philippe.laporte-FIFhI/qTGH1saXRJfIyQzzlRY1/[email protected]>> wrote:
>
>     Hi,
>         Thanks for your answer.
>
>     My question is about how to ensure interoperability between differe=
nt
>     WBXML servers and clients when it comes to encoding of CDATA.
>
>     Thanks a lot,
>
>     Philippe Laporte
>     Software
>
>     Gatespace Telematics
>     F=F6rsta L=E5nggatan 18
>     41328 G=F6teborg
>     Sweden
>     Phone: +46 702 04 35 11
>     Fax:   +46 31 24 16 50
>     Email: philippe.laporte-FIFhI/qTGH1saXRJfIyQzzlRY1/[email protected]
>     <mailto:philippe.laporte-FIFhI/qTGH1saXRJfIyQzzlRY1/[email protected]>
>
>
>
>     Philippe Laporte wrote:
>
>     > Hi,
>     >    Looking at the code in libwbxml it appears that CDATAs are
>     encoded
>     > into opaque for WBXML.
>     >
>     > I couldn't find the section in the WBXML specification document t=
hat
>     > specifies this.
>     >
>     > Is it specified at all, or is it in any way standardized to do
>     this?
>     >
>     > Similar question for not encoding in    <![CDATA[    and     ]]>
>     > (although of course it makes a lot of sense).
>     >
>     > So the complementary question is what is the heuristics for knowi=
ng
>     > what's in an OPAQUE section?
>     >
>     > Thanks,
>     > Philippe
>     >
>     >
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> --=20
> Med venlig hilsen / Best regards
> Rasmus Lock Larsen
> [email protected] <mailto:[email protected]>=20



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