Bug #85166 for Data-Dump: Expose parent context within filters

Thu May 09 17:21:40 2013 MJCARMAN [...] cpan.org - Ticket created

Subject:

Expose parent context within filters

When dumping large, multi-layered data structures it would be useful to be able to find out the location within the data structure for the value being dumped. (In particular, I'd like to know the key when dumping hash values.) So far I've been able to work around this using a combination of reftype, depth, state arrays, and knowledge of the structure but that approach is awkward and fragile. The information I want appears to be present in the context object already (the array stored under the 'idx' key) but that isn't exposed via the API.

Fri May 10 06:30:46 2013 GAAS [...] cpan.org - Correspondence added

Seems like a good idea. Can you take a look at <https://github.com/gisle/data-dump/commit/763a0130e4a8420a959181fdf43d831b48b23657> and tell me if that will provide what you want. It can be used like this:

use Data::Dump;
use Data::Dump::Filtered;


Data::Dump::Filtered::add_dump_filter(sub {
    my($ctx, $object_ref) = @_;
    if ($ctx->is_ref && $ctx->depth > 1) {
        return {
            comment => $ctx->expr,
        }
    }
    return;
});


my %foo = (
    bar => {
        a => [1, 2, 3],
        b => {
            zot => 1,
        },
    }
);

dd(\%foo);

Fri May 10 06:30:46 2013 The RT System itself - Status changed from 'new' to 'open'

Fri May 10 09:52:11 2013 MJCARMAN [...] cpan.org - Correspondence added

On Fri May 10 06:30:46 2013, GAAS wrote: Show quoted text

> Seems like a good idea. Can you take a look at > <https://github.com/gisle/data-dump/commit/763a0130e4a8420a959181fdf43d831b48b23657> > and tell me if that will provide what you want.

That works perfectly for my use case. Thank you.

Sun May 12 16:53:18 2013 GAAS [...] cpan.org - Status changed from 'open' to 'resolved'