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package IO::Compress::Adapter::Bzip2 ;
use strict;
use warnings;
use bytes;
use IO::Compress::Base::Common 2.060 qw(:Status);
use Compress::Raw::Bzip2 2.060 ;
our ($VERSION);
$VERSION = '2.060';
sub mkCompObject
{
my $BlockSize100K = shift ;
my $WorkFactor = shift ;
my $Verbosity = shift ;
$BlockSize100K = 1 if ! defined $BlockSize100K ;
$WorkFactor = 0 if ! defined $WorkFactor ;
$Verbosity = 0 if ! defined $Verbosity ;
my ($def, $status) = new Compress::Raw::Bzip2(1, $BlockSize100K,
$WorkFactor, $Verbosity);
return (undef, "Could not create Deflate object: $status", $status)
if $status != BZ_OK ;
return bless {'Def' => $def,
'Error' => '',
'ErrorNo' => 0,
} ;
}
sub compr
{
my $self = shift ;
my $def = $self->{Def};
my $status = $def->bzdeflate($_[0], $_[1]) ;
$self->{ErrorNo} = $status;
if ($status != BZ_RUN_OK)
{
$self->{Error} = "Deflate Error: $status";
return STATUS_ERROR;
}
return STATUS_OK;
}
sub flush
{
my $self = shift ;
my $def = $self->{Def};
my $status = $def->bzflush($_[0]);
$self->{ErrorNo} = $status;
if ($status != BZ_RUN_OK)
{
$self->{Error} = "Deflate Error: $status";
return STATUS_ERROR;
}
return STATUS_OK;
}
sub close
{
my $self = shift ;
my $def = $self->{Def};
my $status = $def->bzclose($_[0]);
$self->{ErrorNo} = $status;
if ($status != BZ_STREAM_END)
{
$self->{Error} = "Deflate Error: $status";
return STATUS_ERROR;
}
return STATUS_OK;
}
sub reset
{
my $self = shift ;
my $outer = $self->{Outer};
my ($def, $status) = new Compress::Raw::Bzip2();
$self->{ErrorNo} = ($status == BZ_OK) ? 0 : $status ;
if ($status != BZ_OK)
{
$self->{Error} = "Cannot create Deflate object: $status";
return STATUS_ERROR;
}
$self->{Def} = $def;
return STATUS_OK;
}
sub compressedBytes
{
my $self = shift ;
$self->{Def}->compressedBytes();
}
sub uncompressedBytes
{
my $self = shift ;
$self->{Def}->uncompressedBytes();
}
#sub total_out
#{
# my $self = shift ;
# 0;
#}
#
#sub total_in
#{
# my $self = shift ;
# $self->{Def}->total_in();
#}
#
#sub crc32
#{
# my $self = shift ;
# $self->{Def}->crc32();
#}
#
#sub adler32
#{
# my $self = shift ;
# $self->{Def}->adler32();
#}
1;
__END__
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