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package Message::Passing::Role::CLIComponent;
use strict;
use warnings;
use Package::Variant
importing => ['Moo::Role'],
subs => [ qw(has around before after with) ];
use MooX::Options;
use MooX::Types::MooseLike::Base qw/ Str /;
use JSON::MaybeXS ();
use Try::Tiny qw/ try /;
sub make_variant {
my ($class, $target_package, %arguments) = @_;
my $p = shift;
my $name = $arguments{name};
my $has_default = exists $arguments{default};
my $default = $has_default ? $arguments{default} : undef;
option "$name" => (
isa => Str,
is => 'ro',
# required => "$has_default" ? 0 : 1,
"$has_default" ? ( default => sub { "$default" } ) : (),
format => 's',
);
option "${name}_options" => (
is => 'ro',
default => sub { {} },
isa => sub { ref($_[0]) eq 'HASH' },
coerce => sub {
my $str = shift;
if (! ref $str) {
try {
$str = JSON::MaybeXS->new(relaxed => 1)->decode($str)
};
}
$str;
},
format => 's',
);
}
1;
=head1 NAME
Message::Passing::Role::CLIComponent - Package::Variant providing 'foo' and 'foo_options' attributes
=head1 SYNOPSIS
package My::Message::Passing::Script;
use Moo;
use MooX::Options;
use Message::Passing::Role::CLIComponent;
use Message::Passing::DSL;
use namespace::clean -except => 'meta';
with
CLIComponent( name => 'input', default => 'STDIN' ),
'Message::Passing::Role::Script';
sub build_chain {
my $self = shift;
message_chain {
input example => ( %{ $self->input_options }, output_to => 'test_out', class => $self->input, );
output test_out => ( ... );
};
}
__PACKAGE__->start unless caller;
1;
=head1 DESCRIPTION
A L<Package::Variant> role producer, which is used to provide a pair of attributes for name/options
as per the L<message-pass> script.
=head1 ROLE PARAMETERS
=head2 name
The name of the main attribute. An additional attribute called C<< "${name}_options" >> will also be added,
which coerces a hashref from JSON.
=head2 default
A default value for the main attribute. If this is not supplied, than the attribute will be required.
=head1 SPONSORSHIP
This module exists due to the wonderful people at Suretec Systems Ltd.
<http://www.suretecsystems.com/> who sponsored its development for its
VoIP division called SureVoIP <http://www.surevoip.co.uk/> for use with
the SureVoIP API -
<http://www.surevoip.co.uk/support/wiki/api_documentation>
=head1 AUTHOR, COPYRIGHT AND LICENSE
See L<Message::Passing>.
=cut
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