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Editing: SevenBit.pm

# Copyrights 2001-2022 by [Mark Overmeer <markov@cpan.org>].
#  For other contributors see ChangeLog.
# See the manual pages for details on the licensing terms.
# Pod stripped from pm file by OODoc 2.03.
# This code is part of distribution Mail-Message.  Meta-POD processed with
# OODoc into POD and HTML manual-pages.  See README.md
# Copyright Mark Overmeer.  Licensed under the same terms as Perl itself.

package Mail::Message::TransferEnc::SevenBit;
use vars '$VERSION';
$VERSION = '3.012';

use base 'Mail::Message::TransferEnc';

use strict;
use warnings;

sub name() { '7bit' }

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

sub check($@)
{   my ($self, $body, %args) = @_;
    $body;
}

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

sub decode($@)
{   my ($self, $body, %args) = @_;
    $body->transferEncoding('none');
    $body;
}

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

sub encode($@)
{   my ($self, $body, %args) = @_;

my @lines;
    my $changes = 0;

foreach ($body->lines)
    {   $changes++ if s/([^\000-\127])/chr(ord($1) & 0x7f)/ge;
        $changes++ if s/[\000\013]//g;

$changes++ if length > 997;
        push @lines, substr($_, 0, 996, '')."\n"
            while length > 997;

push @lines, $_;
    }

unless($changes)
    {   $body->transferEncoding('7bit');
        return $body;
    }

my $bodytype = $args{result_type} || ref $body;

$bodytype->new
     ( based_on          => $body
     , transfer_encoding => '7bit'
     , data              => \@lines
     );
}

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

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