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package SlackBuild::Registry::Record;
use strict;
use warnings;
use Carp;
use SlackBuild::Base qw(package arch build date filename);
use SlackBuild::Registry::Version;
use SlackBuild::match;
use Scalar::Util qw(blessed);
=head2 new
$x = new SlackBuild::Registry::Record(PACKAGE,
arch=>X, version=>Y, build=>Z, date=>D, filename=>F)
=cut
sub new {
my $class = shift;
my $self = bless {}, $class;
$self->build(1);
if (my $v = shift) {
$self->package($v);
if (@_) {
croak "bad number of arguments" if (@_ % 2);
local %_ = @_;
while (my ($k,$v) = each %_) {
$self->${\$k}($v);
}
}
}
return $self;
}
sub version {
my $self = shift;
if (@_) {
croak "too many arguments" if @_ > 1;
$self->{version} = new SlackBuild::Registry::Version(shift);
}
return $self->{version};
}
sub store {
my $self = shift;
croak "store not implemented";
}
sub as_string {
my $self = shift;
return $self->package . '-'
. ($self->version || '*') . '-'
. ($self->arch || '*') . '-'
. ($self->build || '1');
}
sub cmp {
my ($self, $other) = @_;
my $v;
if ($v = ($self->package || '') cmp ($other->package || '')) {
return $v;
}
if ($self->version <=> $other->version) {
return $v;
}
if ($self->arch && $other->arch
&& ($v = $self->arch cmp $other->arch)) {
return $v;
}
return ($self->build || 1) <=> ($other->build || 1);
}
sub match_attr {
my ($self, $pred) = @_;
my ($meth, $arg);
if (ref($pred) eq 'ARRAY') {
croak "array must have 2 elements" unless @$pred == 2;
($meth, $arg) = @$pred;
} elsif (ref($pred) eq 'HASH') {
croak "array must have 1 key" unless keys(%$pred) == 1;
($meth, $arg) = each %$pred;
} else {
return $self == $pred;
}
return match($self->${ \$meth }, $arg);
}
sub matches {
my $self = shift;
my $args;
if (@_ == 1) {
if (ref($_[0]) eq 'HASH') {
$args = $_[0];
} else {
croak "bad argument";
}
} elsif (@_ % 2 == 0) {
local %_ = @_;
$args = \%_;
} else {
croak "odd number of arguments";
}
while (my ($meth, $pred) = each %$args) {
return 0 unless match($self->${ \$meth }, $pred);
}
return 1;
}
use overload
'""' => sub { shift->as_string },
'cmp' => sub {
my ($self, $other, $swap) = @_;
my $res = $self->cmp($other);
return $swap ? -$res : $res;
},
'<=>' => sub {
my ($self, $other, $swap) = @_;
my $res = $self->cmp($other);
return $swap ? -$res : $res;
},
'==' => sub {
my ($self, $other) = @_;
my $res = $self->cmp($other) == 0;
},
'!=' => sub {
my ($self, $other) = @_;
my $res = $self->cmp($other) != 0;
},
'<' => sub {
my ($self, $other, $swap) = @_;
my $res = $self->cmp($other) < 0;
return $swap ? !$res : $res;
},
'<=' => sub {
my ($self, $other, $swap) = @_;
my $res = $self->cmp($other) <= 0;
return $swap ? !$res : $res;
},
'>' => sub {
my ($self, $other, $swap) = @_;
my $res = $self->cmp($other) > 0;
return $swap ? !$res : $res;
},
'>=' => sub {
my ($self, $other, $swap) = @_;
my $res = $self->cmp($other) >= 0;
return $swap ? !$res : $res;
};
1;
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