PerlIO::via::EscStatus::ShowAll - print all status lines

 use PerlIO::via::EscStatus::ShowAll;
 binmode (STDOUT, ':via(EscStatus::ShowAll)') or die;

# Copyright 2008, 2009, 2010, 2011 Kevin Ryde

# This file is part of PerlIO-via-EscStatus.
#
# PerlIO-via-EscStatus is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 3, or (at your option) any
# later version.
#
# PerlIO-via-EscStatus is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with PerlIO-via-EscStatus.  If not, see <http://www.gnu.org/licenses/>.

package PerlIO::via::EscStatus::ShowAll;
use 5.008;
use strict;
use warnings;
use PerlIO::via::EscStatus;
use PerlIO::via::EscStatus::Parser;

our $VERSION = 10;

use constant DEBUG => 0;

sub PUSHED {
  my ($class, $mode, $fh) = @_;
  if (DEBUG) {
    require Data::Dumper;
    print STDERR "ShowAll pushed ", Data::Dumper::Dumper ([$class,$mode,$fh]);
  }
  return bless { partial => '' }, $class;
}

*UTF8 = \&PerlIO::via::EscStatus::UTF8;
*FLUSH = \&PerlIO::via::EscStatus::FLUSH;

sub WRITE {
  my ($self, $buf, $fh) = @_;
  my $ret_ok = length ($buf);
  if (DEBUG) { print STDERR "ShowAll write $ret_ok\n"; }

  $buf = $self->{'partial'} . $buf;

  # complete sequences
  $buf =~ s/\e_EscStatus\e\\//g;

  my $pos
    = ($buf =~ PerlIO::via::EscStatus::Parser::ESCSTATUS_STR_PARTIAL_REGEXP()
       ? $-[0] # start of match
       : length ($buf));
  $self->{'partial'} = substr ($buf, $pos); # match onwards
  $buf = substr ($buf, 0, $pos);            # prematch

  print $fh $buf or return -1;
  return $ret_ok;
}

1;
__END__