[pmwiki-users] Need help writing a simple markup for IP addresses inside of pages

[Dominique Faure]

On 10/16/06, Dominique Faure <dominique.faure at gmail.com> wrote:
> On 10/16/06, Chris Cox <ccox at airmail.net> wrote:
> > I have:
> >
> > Markup('IPAddy', 'inline',
> > '/([0-9][0-9]*)\.([0-9][0-9]*)\.([0-9][0-9]*)\.([0-9][0-9]*)/',
> > '%newwin%[[Network/Ip$1-$2-$3-$4|$1.$2.$3.$4]]%%');
> >
> > Which works fine.
> >
> > However on some pages I have references to in-addr.arpa addresses
> > of the form:
> >
> > 1.2.20.10.in-addr.arpa
> >
> > So... I tried a markup rule like:
> >
> > Markup('IPRevAddy', 'inline',
> > '/([0-9][0-9]*)\.([0-9][0-9]*)\.([0-9][0-9]*)\.([0-9][0-9]*)\.in-addr\.arpa/',
> > '[[Network/Ip$4-$3-$2-$1|$1.$2.$3.$4.in-addr.arpa]]');
> >
> > However, the two rules DO step on each other.  I know there is some
> > fancy way of doing conditional regexp... but I don't even know that
> > kind of regexp is used by PmWiki in this case.
> >
> > For example, I tried changing IPAddy to:
> >
> > Markup('IPAddy', 'inline',
> > '/([0-9][0-9]*)\.([0-9][0-9]*)\.([0-9][0-9]*)\.([0-9][0-9]*)[^.]/',
> > '%newwin%[[Network/Ip$1-$2-$3-$4|$1.$2.$3.$4]]%%');
> >
> > Which is sort of a bad hack which tries to look for the trailing dot...
> > but the NOT syntax [^.] doesn't even appear to work inside the
> > expression.
> >
> > Anybody have a hint as to the best way of automatically locating
> > IP and in-addr.arpa's with markup and turning them into links?
> > Thanks,
> > Chris
> >
>
> What about:
>
> Markup('IPAddr', 'inline',
> '/([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)(?:(\.in-addr\.arpa))?/i',
> '%newwin%[[Network/Ip$4-$3-$2-$1|$1.$2.$3.$4$5]]%%');
>

Or even simpler:

Markup('IPAddr', 'inline',
'/([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)(\.in-addr\.arpa)?/i',
'%newwin%[[Network/Ip$4-$3-$2-$1|$1.$2.$3.$4$5]]%%');

Dom