File Coverage

blib/lib/POE/Filter/Stream.pm

Criterion	Covered	Total	%
statement	28	28	100.0
branch	4	4	100.0
condition			n/a
subroutine	9	9	100.0
pod	6	6	100.0
total	47	47	100.0

package POE::Filter::Stream;

use strict;
use POE::Filter;

use vars qw($VERSION @ISA);
$VERSION = '1.367'; # NOTE - Should be #.### (three decimal places)
@ISA = qw(POE::Filter);

#------------------------------------------------------------------------------

sub new {
  my $type = shift;
  my $buffer = '';
  my $self = bless \$buffer, $type;
  $self;
}

sub clone {
  my $self = shift;
  my $buffer = '';
  my $clone = bless \$buffer, ref $self;
}

#------------------------------------------------------------------------------
# get() is inherited from POE::Filter.

#------------------------------------------------------------------------------
# 2001-07-27 RCC: The get_one() variant of get() allows Wheel::Xyz to
# retrieve one filtered block at a time.  This is necessary for filter
# changing and proper input flow control.  Although it's kind of
# pointless for Stream, but it has to follow the proper interface.

sub get_one_start {
  my ($self, $stream) = @_;
  $$self .= join '', @$stream;
}

sub get_one {
  my $self = shift;
  return [ ] unless length $$self;
  my $chunk = $$self;
  $$self = '';
  return [ $chunk ];
}

#------------------------------------------------------------------------------

sub put {
  my ($self, $chunks) = @_;
  [ @$chunks ];
}

#------------------------------------------------------------------------------

sub get_pending {
  my $self = shift;
  return [ $$self ] if length $$self;
  return undef;
}

1;

__END__