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/usr/share/perl5/IO/Compress/Adapter

File/Folder	Size	Actions
Bzip2.pm	2.5 KB
Deflate.pm	2.97 KB
Identity.pm	1.38 KB

Edit: Deflate.pm

package IO::Compress::Adapter::Deflate ;

use strict;
use warnings;
use bytes;

use IO::Compress::Base::Common 2.101 qw(:Status);
use Compress::Raw::Zlib  2.101 qw( !crc32 !adler32 ) ;

require Exporter;
our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, @EXPORT, %DEFLATE_CONSTANTS);

$VERSION = '2.102';
@ISA = qw(Exporter);
@EXPORT_OK = @Compress::Raw::Zlib::DEFLATE_CONSTANTS;
%EXPORT_TAGS = %Compress::Raw::Zlib::DEFLATE_CONSTANTS;
@EXPORT = @EXPORT_OK;
%DEFLATE_CONSTANTS = %EXPORT_TAGS ;

sub mkCompObject
{
    my $crc32    = shift ;
    my $adler32  = shift ;
    my $level    = shift ;
    my $strategy = shift ;

my ($def, $status) = Compress::Raw::Zlib::Deflate->new(
                                -AppendOutput   => 1,
                                -CRC32          => $crc32,
                                -ADLER32        => $adler32,
                                -Level          => $level,
                                -Strategy       => $strategy,
                                -WindowBits     => - MAX_WBITS);

return (undef, "Cannot create Deflate object: $status", $status)
        if $status != Z_OK;

return bless {'Def'        => $def,
                  'Error'      => '',
                 } ;
}

sub compr
{
    my $self = shift ;

my $def   = $self->{Def};

my $status = $def->deflate($_[0], $_[1]) ;
    $self->{ErrorNo} = $status;

if ($status != Z_OK)
    {
        $self->{Error} = "Deflate Error: $status";
        return STATUS_ERROR;
    }

return STATUS_OK;
}

sub flush
{
    my $self = shift ;

my $def   = $self->{Def};

my $opt = $_[1] || Z_FINISH;
    my $status = $def->flush($_[0], $opt);
    $self->{ErrorNo} = $status;

if ($status != Z_OK)
    {
        $self->{Error} = "Deflate Error: $status";
        return STATUS_ERROR;
    }

return STATUS_OK;
}

sub close
{
    my $self = shift ;

my $def   = $self->{Def};

$def->flush($_[0], Z_FINISH)
        if defined $def ;
}

sub reset
{
    my $self = shift ;

my $def   = $self->{Def};

my $status = $def->deflateReset() ;
    $self->{ErrorNo} = $status;
    if ($status != Z_OK)
    {
        $self->{Error} = "Deflate Error: $status";
        return STATUS_ERROR;
    }

return STATUS_OK;
}

sub deflateParams
{
    my $self = shift ;

my $def   = $self->{Def};

my $status = $def->deflateParams(@_);
    $self->{ErrorNo} = $status;
    if ($status != Z_OK)
    {
        $self->{Error} = "deflateParams Error: $status";
        return STATUS_ERROR;
    }

return STATUS_OK;
}

#sub total_out
#{
#    my $self = shift ;
#    $self->{Def}->total_out();
#}
#
#sub total_in
#{
#    my $self = shift ;
#    $self->{Def}->total_in();
#}

sub compressedBytes
{
    my $self = shift ;

$self->{Def}->compressedBytes();
}

sub uncompressedBytes
{
    my $self = shift ;
    $self->{Def}->uncompressedBytes();
}

sub crc32
{
    my $self = shift ;
    $self->{Def}->crc32();
}

sub adler32
{
    my $self = shift ;
    $self->{Def}->adler32();
}

__END__