package MooseX::Storage::Base::WithChecksum;
use Moose::Role;
-use Digest ();
-use Storable ();
+use Digest ();
+use Data::Dumper ();
+
use MooseX::Storage::Engine;
our $VERSION = '0.01';
my $e = MooseX::Storage::Engine->new( object => $self );
- my $collapsed = $e->collapse_object;
+ my $collapsed = $e->collapse_object(@args);
$collapsed->{$DIGEST_MARKER} = $self->_digest_packed($collapsed, @args);
# check checksum on data
- my $old_checksum = $data->{$DIGEST_MARKER};
- delete $data->{$DIGEST_MARKER};
+ my $old_checksum = delete $data->{$DIGEST_MARKER};
my $checksum = $class->_digest_packed($data, @args);
|| confess "Bad Checksum got=($checksum) expected=($old_checksum)";
my $e = MooseX::Storage::Engine->new(class => $class);
- $class->new($e->expand_object($data));
+ $class->new($e->expand_object($data, @args));
}
sub _digest_packed {
my ( $self, $collapsed, @args ) = @_;
- my $d = shift @args;
+ my $d = $self->_digest_object(@args);
+
+ {
+ local $Data::Dumper::Indent = 0;
+ local $Data::Dumper::Sortkeys = 1;
+ $d->add( Data::Dumper::Dumper($collapsed) );
+ }
+
+ return $d->hexdigest;
+}
+
+sub _digest_object {
+ my ( $self, %options ) = @_;
+ my $digest_opts = $options{digest};
+
+ $digest_opts = [ $digest_opts ]
+ if !ref($digest_opts) or ref($digest_opts) ne 'ARRAY';
+
+ my ( $d, @args ) = @$digest_opts;
if ( ref $d ) {
if ( $d->can("clone") ) {
- $d = $d->clone;
- } elsif ( $d->can("reset") ) {
+ return $d->clone;
+ }
+ elsif ( $d->can("reset") ) {
$d->reset;
- } else {
+ return $d;
+ }
+ else {
die "Can't clone or reset digest object: $d";
}
- } else {
- $d = Digest->new($d || "SHA1", @args);
- }
-
- {
- local $Storable::canonical = 1;
- $d->add( Storable::nfreeze($collapsed) );
+ }
+ else {
+ return Digest->new($d || "SHA1", @args);
}
-
- return $d->hexdigest;
}
-
1;
__END__
Stevan Little E<lt>stevan.little@iinteractive.comE<gt>
+Yuval Kogman
+
=head1 COPYRIGHT AND LICENSE
Copyright 2007 by Infinity Interactive, Inc.