> On 11 Dec 2015, at 12:22, Martin Bjorklund <m...@tail-f.com> wrote:
>
> Jernej Tuljak <jern...@mg-soft.si> wrote:
>> Ladislav Lhotka je 11.12.2015 ob 9:55 napisal:
>>>> On 11 Dec 2015, at 09:23, Martin Bjorklund <m...@tail-f.com> wrote:
>>>>
>>>> William Lupton <wlup...@broadband-forum.org> wrote:
>>>>> Martin,
>>>>>
>>>>> Thanks for the reply and sorry for my delay in following up. Maybe I'm
>>>>> misunderstanding your point, but surely any node-set argument can be a
>>>>> prefixed string, e.g I found this example in a NETMOD "Y26 again,
>>>>> sorry" thread.
>>>>>
>>>>> augment "/dnsz:zones/dnsz:zone/dnsz:rrset/dnsz:rdata" {
>>>>> when "derived-from-or-self(../dnsz:type,'iana-dns-parameters',"
>>>>> + "'TLSA')";
>>>> But in this example there is no prefixed *string value* - the prefix
>>>> is used in a LocationPath, not a string.
>>> Right, an identity isn't a node-set.
>>>
>>>>> Arguably YANG authors might find it more natural always to use
>>>>> prefixed strings such as 'iana-dns-parameters:TLSA' when referring to
>>>>> a namespace-qualified entity?
>>>> Maybe, yes. It would be useful to hear others opinions!
>>> A code that evaluating these functions needs to know a lot about the
>>> underlying YANG data model anyway, so I think it is no problem to
>>> resolve arbitrary QNames. I am thus in favour of William's proposal.
>>
>> If there are no existing functions that take a prefixed string
>> literal, why not simply replace the module name argument with a prefix
>> string? I don't see why a module name needs to be used here at all
>> either - in fact, it seems to be promoting the idea of breaking out of
>> module containment using XPath instead of discouraging it - you should
>> not be able to refer to an identity if it is not defined within an
>> imported or the enclosing module.
>
> If we're going to use the prefix, I prefer to use a single QName. I
> agree with your comment as well. So unless anyone objects, I will
> make this change.
+1
Lada
>
>
> /martin
--
Ladislav Lhotka, CZ.NIC Labs
PGP Key ID: E74E8C0C
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