156 lines
2.7 KiB
Perl
156 lines
2.7 KiB
Perl
package IO::Compress::Adapter::Xz ;
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use strict;
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use warnings;
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use bytes;
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use IO::Compress::Base::Common 2.100 qw(:Status);
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use Compress::Raw::Lzma 2.100 qw(LZMA_OK LZMA_STREAM_END LZMA_PRESET_DEFAULT LZMA_CHECK_CRC32) ;
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our ($VERSION);
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$VERSION = '2.100';
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sub mkCompObject
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{
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my $Preset = shift ;
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my $Extreme = shift ;
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my $Check = shift ;
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my ($def, $status) = Compress::Raw::Lzma::EasyEncoder->new(AppendOutput => 1,
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Preset => $Preset,
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Extreme => $Extreme,
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Check => $Check);
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return (undef, "Could not create EasyEncoder object: $status", $status)
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if $status != LZMA_OK ;
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return bless {'Def' => $def,
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'Error' => '',
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'ErrorNo' => 0,
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} ;
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}
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sub compr
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{
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my $self = shift ;
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my $def = $self->{Def};
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my $status = $def->code($_[0], $_[1]) ;
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$self->{ErrorNo} = $status;
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if ($status != LZMA_OK)
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{
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$self->{Error} = "Deflate Error: $status";
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return STATUS_ERROR;
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}
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#${ $_[1] } .= $out if defined $out;
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return STATUS_OK;
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}
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sub flush
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{
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my $self = shift ;
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my $def = $self->{Def};
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my $status = $def->flush($_[0]);
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$self->{ErrorNo} = $status;
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if ($status != LZMA_STREAM_END)
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{
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$self->{Error} = "Deflate Error: $status";
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return STATUS_ERROR;
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}
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#${ $_[0] } .= $out if defined $out ;
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return STATUS_OK;
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}
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sub close
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{
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my $self = shift ;
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my $def = $self->{Def};
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my $status = $def->flush($_[0]);
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$self->{ErrorNo} = $status;
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if ($status != LZMA_STREAM_END)
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{
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$self->{Error} = "Deflate Error: $status";
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return STATUS_ERROR;
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}
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#${ $_[0] } .= $out if defined $out ;
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return STATUS_OK;
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}
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sub reset
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{
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my $self = shift ;
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my $outer = $self->{Outer};
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my ($def, $status) = Compress::Raw::Lzma->lzma_easy_encoder();
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$self->{ErrorNo} = ($status == LZMA_OK) ? 0 : $status ;
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if ($status != LZMA_OK)
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{
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$self->{Error} = "Cannot create Deflate object: $status";
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return STATUS_ERROR;
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}
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$self->{Def} = $def;
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return STATUS_OK;
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}
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sub compressedBytes
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{
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my $self = shift ;
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$self->{Def}->compressedBytes();
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}
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sub uncompressedBytes
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{
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my $self = shift ;
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$self->{Def}->uncompressedBytes();
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}
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#sub total_out
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#{
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# my $self = shift ;
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# 0;
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#}
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#
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#sub total_in
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#{
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# my $self = shift ;
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# $self->{Def}->total_in();
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#}
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#
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#sub crc32
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#{
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# my $self = shift ;
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# $self->{Def}->crc32();
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#}
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#
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#sub adler32
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#{
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# my $self = shift ;
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# $self->{Def}->adler32();
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#}
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1;
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__END__
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