summaryrefslogtreecommitdiff
path: root/Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter
diff options
context:
space:
mode:
Diffstat (limited to 'Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter')
-rw-r--r--Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Bunzip2.pm112
-rw-r--r--Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Identity.pm105
-rw-r--r--Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Inflate.pm158
3 files changed, 375 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Bunzip2.pm b/Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Bunzip2.pm
new file mode 100644
index 00000000000..98677e3c09f
--- /dev/null
+++ b/Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Bunzip2.pm
@@ -0,0 +1,112 @@
+package IO::Uncompress::Adapter::Bunzip2;
+
+use strict;
+use warnings;
+use bytes;
+
+use IO::Compress::Base::Common 2.024 qw(:Status);
+
+use Compress::Raw::Bzip2 2.024 ;
+
+our ($VERSION, @ISA);
+$VERSION = '2.024';
+
+sub mkUncompObject
+{
+ my $small = shift || 0;
+ my $verbosity = shift || 0;
+
+ my ($inflate, $status) = new Compress::Raw::Bunzip2(1, 1, $small, $verbosity, 1);
+
+ return (undef, "Could not create Inflation object: $status", $status)
+ if $status != BZ_OK ;
+
+ return bless {'Inf' => $inflate,
+ 'CompSize' => 0,
+ 'UnCompSize' => 0,
+ 'Error' => '',
+ 'ConsumesInput' => 1,
+ } ;
+
+}
+
+sub uncompr
+{
+ my $self = shift ;
+ my $from = shift ;
+ my $to = shift ;
+ my $eof = shift ;
+
+ my $inf = $self->{Inf};
+
+ my $status = $inf->bzinflate($from, $to);
+ $self->{ErrorNo} = $status;
+
+ if ($status != BZ_OK && $status != BZ_STREAM_END )
+ {
+ $self->{Error} = "Inflation Error: $status";
+ return STATUS_ERROR;
+ }
+
+
+ return STATUS_OK if $status == BZ_OK ;
+ return STATUS_ENDSTREAM if $status == BZ_STREAM_END ;
+ return STATUS_ERROR ;
+}
+
+
+sub reset
+{
+ my $self = shift ;
+
+ my ($inf, $status) = new Compress::Raw::Bunzip2();
+ $self->{ErrorNo} = ($status == BZ_OK) ? 0 : $status ;
+
+ if ($status != BZ_OK)
+ {
+ $self->{Error} = "Cannot create Inflate object: $status";
+ return STATUS_ERROR;
+ }
+
+ $self->{Inf} = $inf;
+
+ return STATUS_OK ;
+}
+
+sub compressedBytes
+{
+ my $self = shift ;
+ $self->{Inf}->compressedBytes();
+}
+
+sub uncompressedBytes
+{
+ my $self = shift ;
+ $self->{Inf}->uncompressedBytes();
+}
+
+sub crc32
+{
+ my $self = shift ;
+ #$self->{Inf}->crc32();
+}
+
+sub adler32
+{
+ my $self = shift ;
+ #$self->{Inf}->adler32();
+}
+
+sub sync
+{
+ my $self = shift ;
+ #( $self->{Inf}->inflateSync(@_) == BZ_OK)
+ # ? STATUS_OK
+ # : STATUS_ERROR ;
+}
+
+
+1;
+
+__END__
+
diff --git a/Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Identity.pm b/Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Identity.pm
new file mode 100644
index 00000000000..27de6e0f36b
--- /dev/null
+++ b/Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Identity.pm
@@ -0,0 +1,105 @@
+package IO::Uncompress::Adapter::Identity;
+
+use warnings;
+use strict;
+use bytes;
+
+use IO::Compress::Base::Common 2.024 qw(:Status);
+
+our ($VERSION);
+
+$VERSION = '2.024';
+
+use Compress::Raw::Zlib 2.024 ();
+
+sub mkUncompObject
+{
+ my $crc32 = 1; #shift ;
+ my $adler32 = shift;
+
+ bless { 'CompSize' => 0,
+ 'UnCompSize' => 0,
+ 'wantCRC32' => $crc32,
+ 'CRC32' => Compress::Raw::Zlib::crc32(''),
+ 'wantADLER32'=> $adler32,
+ 'ADLER32' => Compress::Raw::Zlib::adler32(''),
+ 'ConsumesInput' => 1,
+
+ } ;
+}
+
+sub uncompr
+{
+ my $self = shift;
+ my $eof = $_[2];
+
+ if (defined ${ $_[0] } && length ${ $_[0] }) {
+ $self->{CompSize} += length ${ $_[0] } ;
+ $self->{UnCompSize} = $self->{CompSize} ;
+
+ $self->{CRC32} = Compress::Raw::Zlib::crc32($_[0], $self->{CRC32})
+ if $self->{wantCRC32};
+
+ $self->{ADLER32} = Compress::Zlib::adler32($_[0], $self->{ADLER32})
+ if $self->{wantADLER32};
+
+ ${ $_[1] } .= ${ $_[0] };
+ ${ $_[0] } = "";
+ }
+
+ return STATUS_ENDSTREAM if $eof;
+ return STATUS_OK ;
+}
+
+sub reset
+{
+ my $self = shift;
+
+ $self->{CompSize} = 0;
+ $self->{UnCompSize} = 0;
+ $self->{CRC32} = Compress::Raw::Zlib::crc32('');
+ $self->{ADLER32} = Compress::Raw::Zlib::adler32('');
+
+ return STATUS_OK ;
+}
+
+
+#sub count
+#{
+# my $self = shift ;
+# return $self->{UnCompSize} ;
+#}
+
+sub compressedBytes
+{
+ my $self = shift ;
+ return $self->{UnCompSize} ;
+}
+
+sub uncompressedBytes
+{
+ my $self = shift ;
+ return $self->{UnCompSize} ;
+}
+
+sub sync
+{
+ return STATUS_OK ;
+}
+
+sub crc32
+{
+ my $self = shift ;
+ return $self->{CRC32};
+}
+
+sub adler32
+{
+ my $self = shift ;
+ return $self->{ADLER32};
+}
+
+
+1;
+
+__END__
diff --git a/Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Inflate.pm b/Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Inflate.pm
new file mode 100644
index 00000000000..aac1e413ffe
--- /dev/null
+++ b/Master/tlpkg/tlperl/lib/IO/Uncompress/Adapter/Inflate.pm
@@ -0,0 +1,158 @@
+package IO::Uncompress::Adapter::Inflate;
+
+use strict;
+use warnings;
+use bytes;
+
+use IO::Compress::Base::Common 2.024 qw(:Status);
+use Compress::Raw::Zlib 2.024 qw(Z_OK Z_BUF_ERROR Z_STREAM_END Z_FINISH MAX_WBITS);
+
+our ($VERSION);
+$VERSION = '2.024';
+
+
+
+sub mkUncompObject
+{
+ my $crc32 = shift || 1;
+ my $adler32 = shift || 1;
+ my $scan = shift || 0;
+
+ my $inflate ;
+ my $status ;
+
+ if ($scan)
+ {
+ ($inflate, $status) = new Compress::Raw::Zlib::InflateScan
+ #LimitOutput => 1,
+ CRC32 => $crc32,
+ ADLER32 => $adler32,
+ WindowBits => - MAX_WBITS ;
+ }
+ else
+ {
+ ($inflate, $status) = new Compress::Raw::Zlib::Inflate
+ AppendOutput => 1,
+ LimitOutput => 1,
+ CRC32 => $crc32,
+ ADLER32 => $adler32,
+ WindowBits => - MAX_WBITS ;
+ }
+
+ return (undef, "Could not create Inflation object: $status", $status)
+ if $status != Z_OK ;
+
+ return bless {'Inf' => $inflate,
+ 'CompSize' => 0,
+ 'UnCompSize' => 0,
+ 'Error' => '',
+ 'ConsumesInput' => 1,
+ } ;
+
+}
+
+sub uncompr
+{
+ my $self = shift ;
+ my $from = shift ;
+ my $to = shift ;
+ my $eof = shift ;
+
+ my $inf = $self->{Inf};
+
+ my $status = $inf->inflate($from, $to, $eof);
+ $self->{ErrorNo} = $status;
+
+ if ($status != Z_OK && $status != Z_STREAM_END && $status != Z_BUF_ERROR)
+ {
+ $self->{Error} = "Inflation Error: $status";
+ return STATUS_ERROR;
+ }
+
+ return STATUS_OK if $status == Z_BUF_ERROR ; # ???
+ return STATUS_OK if $status == Z_OK ;
+ return STATUS_ENDSTREAM if $status == Z_STREAM_END ;
+ return STATUS_ERROR ;
+}
+
+sub reset
+{
+ my $self = shift ;
+ $self->{Inf}->inflateReset();
+
+ return STATUS_OK ;
+}
+
+#sub count
+#{
+# my $self = shift ;
+# $self->{Inf}->inflateCount();
+#}
+
+sub crc32
+{
+ my $self = shift ;
+ $self->{Inf}->crc32();
+}
+
+sub compressedBytes
+{
+ my $self = shift ;
+ $self->{Inf}->compressedBytes();
+}
+
+sub uncompressedBytes
+{
+ my $self = shift ;
+ $self->{Inf}->uncompressedBytes();
+}
+
+sub adler32
+{
+ my $self = shift ;
+ $self->{Inf}->adler32();
+}
+
+sub sync
+{
+ my $self = shift ;
+ ( $self->{Inf}->inflateSync(@_) == Z_OK)
+ ? STATUS_OK
+ : STATUS_ERROR ;
+}
+
+
+sub getLastBlockOffset
+{
+ my $self = shift ;
+ $self->{Inf}->getLastBlockOffset();
+}
+
+sub getEndOffset
+{
+ my $self = shift ;
+ $self->{Inf}->getEndOffset();
+}
+
+sub resetLastBlockByte
+{
+ my $self = shift ;
+ $self->{Inf}->resetLastBlockByte(@_);
+}
+
+sub createDeflateStream
+{
+ my $self = shift ;
+ my $deflate = $self->{Inf}->createDeflateStream(@_);
+ return bless {'Def' => $deflate,
+ 'CompSize' => 0,
+ 'UnCompSize' => 0,
+ 'Error' => '',
+ }, 'IO::Compress::Adapter::Deflate';
+}
+
+1;
+
+
+__END__
+