Initial Commit

database/perl/lib/IO/Compress/Adapter/Bzip2.pm

@@ -0,0 +1,153 @@
+package IO::Compress::Adapter::Bzip2 ;
+
+use strict;
+use warnings;
+use bytes;
+
+use IO::Compress::Base::Common  2.100 qw(:Status);
+
+use Compress::Raw::Bzip2  2.100 ;
+
+our ($VERSION);
+$VERSION = '2.100';
+
+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) = Compress::Raw::Bzip2->new(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) = Compress::Raw::Bzip2->new();
+    $self->{ErrorNo} = ($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__