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Current File : //usr/local/lib/perl5/site_perl/5.8.9/MIME/Decoder/Binary.pm |
package MIME::Decoder::Binary; =head1 NAME MIME::Decoder::Binary - perform no encoding/decoding =head1 SYNOPSIS A generic decoder object; see L<MIME::Decoder> for usage. =head1 DESCRIPTION A MIME::Decoder subclass for the C<"binary"> encoding (in other words, no encoding). The C<"binary"> decoder is a special case, since it's ill-advised to read the input line-by-line: after all, an uncompressed image file might conceivably have loooooooooong stretches of bytes without a C<"\n"> among them, and we don't want to risk blowing out our core. So, we read-and-write fixed-size chunks. Both the B<encoder> and B<decoder> do a simple pass-through of the data from input to output. =head1 SEE ALSO L<MIME::Decoder> =head1 AUTHOR Eryq (F<eryq@zeegee.com>), ZeeGee Software Inc (F<http://www.zeegee.com>). All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. =cut use MIME::Decoder; use vars qw(@ISA $VERSION); @ISA = qw(MIME::Decoder); ### The package version, both in 1.23 style *and* usable by MakeMaker: $VERSION = "5.427"; ### Buffer length: my $BUFLEN = 8192; #------------------------------ # # decode_it IN, OUT # sub decode_it { my ($self, $in, $out) = @_; my ($buf, $nread) = ('', 0); while ($nread = $in->read($buf, $BUFLEN)) { $out->print($buf); } defined($nread) or return undef; ### check for error 1; } #------------------------------ # # encode_it IN, OUT # sub encode_it { my ($self, $in, $out) = @_; my ($buf, $nread) = ('', 0); while ($nread = $in->read($buf, $BUFLEN)) { $out->print($buf); } defined($nread) or return undef; ### check for error 1; } #------------------------------ 1;