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BURAK / Sys-Info-Base-0.7807 / lib / Sys / Info / Device.pm 

            

              
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package Sys::Info::Device;
$Sys::Info::Device::VERSION = '0.7807';
use strict;
use warnings;
use constant SUPPORTED => qw( CPU BIOS );
use Carp qw( croak );
use base qw( Sys::Info::Base );
use Sys::Info::Constants qw( OSID );
BEGIN {
    MK_ACCESSORS: {
        no strict qw(refs);
        foreach my $device ( SUPPORTED ) {
            *{ '_device_' . lc $device } = sub {
                my $self = shift;
                return  Sys::Info::Base->load_module(
                            'Sys::Info::Device::' . $device
                        )->new(@_);
            }
        }
    }
}
sub new {
    my($class, @args) = @_;
    my $device = shift @args or croak 'Device ID is missing';
    my $self   = {};
    bless $self, $class;
    my $method = '_device_' . lc $device;
    croak "Bogus device ID: $device" if ! $self->can( $method );
    return $self->$method( @args ? @args : () );
}
sub _device_available {
    my $self  = shift;
    my $class = ref $self || $self;
    my @buf;
    local $@;
    local $SIG{__DIE__};
    foreach my $test ( SUPPORTED ) {
        my $eok = eval { $class->new( $test ); 1; };
        next if $@ || ! $eok;
        push @buf, $test;
    }
    return @buf;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Sys::Info::Device
=head1 VERSION
version 0.7807
=head1 SYNOPSIS
    use Sys::Info;
    my $info      = Sys::Info->new;
    my $device    = $info->device( $device_id );
    my @available = $info->device('available');
or
    use Sys::Info::Device;
    my $device    = Sys::Info::Device->new( $device_id );
    my @available = Sys::Info::Device->new('available');
=head1 DESCRIPTION
This is an interface to the available devices such as the C<CPU>.
=head1 NAME
Sys::Info::Device - Information about devices
=head1 METHODS
=head2 new DEVICE_ID
Returns an object to the related device or dies if C<DEVICE_ID> is
bogus or false.
If C<DEVICE_ID> has the value of C<available>, then the names of the
available devices will be returned.
=head1 SEE ALSO
L<Sys::Info::Device::CPU>, L<Sys::Info>.
=head1 AUTHOR
Burak Gursoy <burak@cpan.org>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2006 by Burak Gursoy.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut