Thank you all. A lot of good ideas, but so far no luck :(
Simon recommended writing a plugin, or wrapping Net::IP using
Template::Plugin::Class
I tried using the Template::Plugin::Class, but it would throw an exception.
I used the following code:
[% connector1 = '1.2.10.128/29' %]
[% USE c1_net = Class ('Net::IP') %]
[% c1.net.set(connector1) %]
connector1 = [% c1_net.prefix %]
returns
Uncaught exception from user code:
undef error - Can't use string ("Net::IP") as a HASH ref while "strict
refs" in use at /usr/lib/perl5/vendor_perl/5.10.0/Net/IP.pm line 372.
This is occurring at the following line:
$tt->process( $template, $vars )
|| die $tt->error(), "\n";
A couple of people recommended using debugging.
At first glance, the debugging looks ok to me:
$stash->set('c1_net', $context->plugin('Net::IP', [
$stash->get('connector1') ]));
$stash->set('c2_net', $stash->get(['c1_net', 0, 'ip_add_num', [ 2 ]]));
$output .= $stash->get(['c1_net', 0, 'prefix', 0]);
But throws and exception when I turn on DEBUG_UNDEF:
[Template::Context] plugin(Net::IP, 1.2.10.128/29)
Uncaught exception from user code:
undef error - prefix is undefined
Someone also recommended instantiating the object in the perl code and
passing it in the vars hash when I call the template toolkit. This is a
good idea, but I don't know how many Net::IP objects I will need before the
template is called.
My hope for a quick fix is fading, but I did received a lot of good
information.
As far as I can tell, the Net::IP class seems to work find for all methods,
except the ip_add_num method that returns a reference to a new object. I
assume the problem is something to do with the way the reference is stored
or retrieved.
My next steps would be:
1) better understand the debugging output so I better understand what I am
looking at.
2) break down and write a plugin.
If I find a solution I will post back to the thread.
If anyone has any further ideas I would love to hear them :)
Thanks to all.
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