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package IO::Compress::Adapter::Deflate ; use strict; use warnings; use bytes; use IO::Compress::Base::Common 2.068 qw(:Status); use Compress::Raw::Zlib 2.068 qw( !crc32 !adler32 ) ; require Exporter; our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, @EXPORT, %DEFLATE_CONSTANTS); $VERSION = '2.068'; @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) = new Compress::Raw::Zlib::Deflate -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(); } 1; __END__