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lib/Acme/Beamerang/Logger.pm  view on Meta::CPAN

use 5.006;    # our
use strict;
use warnings;

package Acme::Beamerang::Logger;

our $VERSION = '0.001000';

use parent 'Log::Contextual';

sub default_import { qw(:dlog :log ) }

# This ideally would be regulated by the importing class
# but I got tired of trying to guess what horrible magic
# was necessary to make Exporter::Declare and whatever
# the hell Log::Contextual's import logic does work.
sub _get_prefixes {
    my $class = $_[0];
    my (@parts) = split /::/sx, $class;

    # Always assume there is no Acme
    # Acme::X is X in the future.
    shift @parts if $parts[0] eq 'Acme';

    my (@prefixes);

    # Always include FQ name, sans Acme
    push @prefixes, uc( join q/_/, @parts );
    pop @parts;

    # If its a Beamerang subclass, split the namespace
    # and create env vars for each level.
    if ( 2 <= @parts and ( 'Beamerang' eq shift @parts ) ) {
        while (@parts) {
            push @prefixes, uc( join q/_/, 'BEAMERANG', @parts );
            pop @parts;
        }
    }
    return @prefixes, 'BEAMERANG';
}

sub arg_default_logger {
    return $_[1] if $_[1];
    require Log::Contextual::WarnLogger::Fancy;
    my $caller = caller(3);

    my ( $env, @group ) = _get_prefixes($caller);
    return Log::Contextual::WarnLogger::Fancy->new(
        {
            env_prefix       => $env,
            group_env_prefix => \@group,
            label            => $caller,
            label_length     => 21,
            default_upto     => 'warn',
        }
    );
}

1;

=head1 NAME

Acme::Beamerang::Logger - A Simple per-class clan warnlogger loader

=head1 SYNOPSIS

  # Interface is basically the same as Log::Contextual::Easy::Default
  use Acme::Beamerang::Logger; # imports :dlog and :log by default
                               # also assigns a default logger to the package.