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use strict;
use warnings;
package App::Cmd::Subdispatch;
use App::Cmd;
use App::Cmd::Command;
BEGIN { our @ISA = qw(App::Cmd::Command App::Cmd) }
=head1 NAME
App::Cmd::Subdispatch - an App::Cmd::Command that is also an App::Cmd
=head1 VERSION
version 0.307
=cut
our $VERSION = '0.307';
=head1 METHODS
=head2 new
A hackish new that allows us to have an Command instance before they normally
exist.
=cut
sub new {
my ($inv, $fields, @args) = @_;
if (ref $inv) {
@{ $inv }{ keys %$fields } = values %$fields;
return $inv;
} else {
$inv->SUPER::new($fields, @args);
}
}
=head2 prepare
my $subcmd = $subdispatch->prepare($app, @args);
An overridden version of L<App::Cmd::Command/prepare> that performs a new
dispatch cycle.
=cut
sub prepare {
my ($class, $app, @args) = @_;
my $self = $class->new({ app => $app });
my ($subcommand, $opt, @sub_args) = $self->get_command(@args);
$self->set_global_options($opt);
if (defined $subcommand) {
return $self->_prepare_command($subcommand, $opt, @sub_args);
} else {
if (@args) {
return $self->_bad_command(undef, $opt, @sub_args);
} else {
return $self->prepare_default_command($opt, @sub_args);
}
}
}
sub _plugin_prepare {
my ($self, $plugin, @args) = @_;
return $plugin->prepare($self->choose_parent_app($self->app, $plugin), @args);
}
=head2 app
$subdispatch->app;
This method returns the application that this subdispatch is a command of.
=cut
sub app { $_[0]{app} }
=head2 choose_parent_app
$subcmd->prepare(
$subdispatch->choose_parent_app($app, $opt, $plugin),
@$args
);
A method that chooses whether the parent app or the subdispatch is going to be
C<< $cmd->app >>.
=cut
sub choose_parent_app {
my ( $self, $app, $plugin ) = @_;
if (
$plugin->isa("App::Cmd::Command::commands")
or $plugin->isa("App::Cmd::Command::help")
or scalar keys %{ $self->global_options }
) {
return $self;
} else {
return $app;
}
}
1;
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