Re: Service Provider Database

[Bastien Nocera <hadess hadess net>]

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>