to, 2008-06-05 kello 09:10 +0100, Bastien Nocera kirjoitti:
> On Thu, 2008-06-05 at 10:05 +0300, Antti Kaijanmäki wrote:
> > ma, 2008-06-02 kello 13:18 +0100, Bastien Nocera kirjoitti:
> > > On Mon, 2008-06-02 at 15:12 +0300, Antti Kaijanmäki wrote:
> > > >
> > <snip>
> > > >
> > > > <provider>
> > > > <name>Service Provider - CDMA</name>
> > > > <cdma />
> > > > </provider>
> > > > <provider>
> > > > <name>Service Provider - GSM</name>
> > > > <gsm>
> > > > <apn>internet</apn>
> > > > </gsm>
> > > > </provider>
> > > > <provider>
> > > > <name>Service Provider - GSM prepaid</name>
> > > > <gsm>
> > > > <apn>prepaid.provider</apn>
> > > > </gsm>
> > > > </provider>
> > >
> > > I'd rather have:
> > > <provider type="gsm">
> > > <name>Service Provider - GSM prepaid</name>
> > > <apn>prepaid.provider</apn>
> > > </provider>
> >
> > I see your point and this was my first idea also. But the problem with
> > this approach is that I can't validate this with a DTD. At least I
> > didn't find any way to state:
> >
> > 'if provider element has property "type" set as "gsm" the element must
> > contain child element "apn" '
> >
> > But I can state:
> >
> > 'provider must have either "gsm", "cdma" or "phs" child element'
>
> I also mentioned another option which you seem to have discounted, and
> can easily be used in a DTD.
>
> <provider>
> <gsm />
> <name>Service Provider - GSM prepaid</name>
> <apn>prepaid.provider</apn>
> </provider>
Your previous mail had "type" property also with this one and it had
the same problem as the first one had. That's why I didn't comment on
that.
But if you meant to leave the property out like with this new one there
is still a problem. APN is present only with gsm connections. It would
be invalid to have :
<provider> <!-- or <provider type="gsm"> --!>
<cdma />
<name>Service Provider - GSM prepaid</name>
<apn>prepaid.provider</apn>
</provider>
and AFAIK you can not describe this kind of relation between two
elements on a same level with a DTD.
Why can't this be just like I proposed? :
<provider>
<name>Service Provider - GSM prepaid</name>
<gsm>
<apn>prepaid.provider</apn>
</gsm>
</provider>
-- Antti
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