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package Log::Dispatch::Base;
use strict;
use warnings;
use Carp ();
use Log::Dispatch::Vars
qw( %CanonicalLevelNames %LevelNamesToNumbers @OrderedLevels );
use Scalar::Util qw( refaddr );
our $VERSION = '2.71';
## no critic (Subroutines::ProhibitUnusedPrivateSubroutines)
sub _level_as_number {
my $self = shift;
my $level = shift;
my $level_name = $self->level_is_valid($level);
return unless $level_name;
return $LevelNamesToNumbers{$level_name};
}
## use critic
sub level_is_valid {
shift;
my $level = shift;
if ( !defined $level ) {
Carp::croak('Logging level was not provided');
}
if ( $level =~ /\A[0-9]+\z/ && $level <= $#OrderedLevels ) {
return $OrderedLevels[$level];
}
return $CanonicalLevelNames{$level};
}
## no critic (Subroutines::ProhibitUnusedPrivateSubroutines)
sub _apply_callbacks {
my $self = shift;
my %p = @_;
my $msg = delete $p{message};
for my $cb ( @{ $self->{callbacks} } ) {
$msg = $cb->( message => $msg, %p );
}
return $msg;
}
sub add_callback {
my $self = shift;
my $value = shift;
Carp::carp("given value $value is not a valid callback")
unless ref $value eq 'CODE';
$self->{callbacks} ||= [];
push @{ $self->{callbacks} }, $value;
return;
}
sub remove_callback {
my $self = shift;
my $cb = shift;
Carp::carp("given value $cb is not a valid callback")
unless ref $cb eq 'CODE';
my $cb_id = refaddr $cb;
$self->{callbacks}
= [ grep { refaddr $_ ne $cb_id } @{ $self->{callbacks} } ];
return;
}
1;
# ABSTRACT: Code shared by dispatch and output objects.
__END__
=pod
=encoding UTF-8
=head1 NAME
Log::Dispatch::Base - Code shared by dispatch and output objects.
=head1 VERSION
version 2.71
=head1 SYNOPSIS
use Log::Dispatch::Base;
...
@ISA = qw(Log::Dispatch::Base);
=head1 DESCRIPTION
Unless you are me, you probably don't need to know what this class does.
=for Pod::Coverage .*
=head1 SUPPORT
Bugs may be submitted at L<https://github.com/houseabsolute/Log-Dispatch/issues>.
=head1 SOURCE
The source code repository for Log-Dispatch can be found at L<https://github.com/houseabsolute/Log-Dispatch>.
=head1 AUTHOR
Dave Rolsky <autarch@urth.org>
=head1 COPYRIGHT AND LICENSE
This software is Copyright (c) 2023 by Dave Rolsky.
This is free software, licensed under:
The Artistic License 2.0 (GPL Compatible)
The full text of the license can be found in the
F<LICENSE> file included with this distribution.
=cut
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