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package Protocol::WebSocket::Cookie;
use strict;
use warnings;
sub new {
my $class = shift;
$class = ref $class if ref $class;
my $self = {@_};
bless $self, $class;
return $self;
}
sub pairs { @_ > 1 ? $_[0]->{pairs} = $_[1] : $_[0]->{pairs} }
my $TOKEN = qr/[^;,\s"]+/;
my $NAME = qr/[^;,\s"=]+/;
my $QUOTED_STRING = qr/"(?:\\"|[^"])+"/;
my $VALUE = qr/(?:$TOKEN|$QUOTED_STRING)/;
sub parse {
my $self = shift;
my $string = shift;
$self->{pairs} = [];
return unless defined $string && $string ne '';
while ($string =~ m/\s*($NAME)\s*(?:=\s*($VALUE))?;?/g) {
my ($attr, $value) = ($1, $2);
if (defined $value) {
$value =~ s/^"//;
$value =~ s/"$//;
$value =~ s/\\"/"/g;
}
push @{$self->{pairs}}, [$attr, $value];
}
return $self;
}
sub to_string {
my $self = shift;
my $string = '';
my @pairs;
foreach my $pair (@{$self->pairs}) {
my $string = '';
$string .= $pair->[0];
if (defined $pair->[1]) {
$string .= '=';
$string
.= $pair->[1] !~ m/^$VALUE$/ ? "\"$pair->[1]\"" : $pair->[1];
}
push @pairs, $string;
}
return join '; ' => @pairs;
}
1;
__END__
=head1 NAME
Protocol::WebSocket::Cookie - Base class for WebSocket cookies
=head1 DESCRIPTION
A base class for L<Protocol::WebSocket::Cookie::Request> and
L<Protocol::WebSocket::Cookie::Response>.
=head1 ATTRIBUTES
=head2 C<pairs>
=head1 METHODS
=head2 C<new>
Create a new L<Protocol::WebSocket::Cookie> instance.
=head2 C<parse>
=head2 C<to_string>
=cut