--- /dev/null
+
+package IO::Compress::Base ;
+
+require 5.004 ;
+
+use strict ;
+use warnings;
+
+use IO::Compress::Base::Common 2.012 ;
+
+use IO::File ;
+use Scalar::Util qw(blessed readonly);
+
+#use File::Glob;
+#require Exporter ;
+use Carp ;
+use Symbol;
+use bytes;
+
+our (@ISA, $VERSION);
+@ISA = qw(Exporter IO::File);
+
+$VERSION = '2.012';
+
+#Can't locate object method "SWASHNEW" via package "utf8" (perhaps you forgot to load "utf8"?) at .../ext/Compress-Zlib/Gzip/blib/lib/Compress/Zlib/Common.pm line 16.
+
+sub saveStatus
+{
+ my $self = shift ;
+ ${ *$self->{ErrorNo} } = shift() + 0 ;
+ ${ *$self->{Error} } = '' ;
+
+ return ${ *$self->{ErrorNo} } ;
+}
+
+
+sub saveErrorString
+{
+ my $self = shift ;
+ my $retval = shift ;
+ ${ *$self->{Error} } = shift ;
+ ${ *$self->{ErrorNo} } = shift() + 0 if @_ ;
+
+ return $retval;
+}
+
+sub croakError
+{
+ my $self = shift ;
+ $self->saveErrorString(0, $_[0]);
+ croak $_[0];
+}
+
+sub closeError
+{
+ my $self = shift ;
+ my $retval = shift ;
+
+ my $errno = *$self->{ErrorNo};
+ my $error = ${ *$self->{Error} };
+
+ $self->close();
+
+ *$self->{ErrorNo} = $errno ;
+ ${ *$self->{Error} } = $error ;
+
+ return $retval;
+}
+
+
+
+sub error
+{
+ my $self = shift ;
+ return ${ *$self->{Error} } ;
+}
+
+sub errorNo
+{
+ my $self = shift ;
+ return ${ *$self->{ErrorNo} } ;
+}
+
+
+sub writeAt
+{
+ my $self = shift ;
+ my $offset = shift;
+ my $data = shift;
+
+ if (defined *$self->{FH}) {
+ my $here = tell(*$self->{FH});
+ return $self->saveErrorString(undef, "Cannot seek to end of output filehandle: $!", $!)
+ if $here < 0 ;
+ seek(*$self->{FH}, $offset, SEEK_SET)
+ or return $self->saveErrorString(undef, "Cannot seek to end of output filehandle: $!", $!) ;
+ defined *$self->{FH}->write($data, length $data)
+ or return $self->saveErrorString(undef, $!, $!) ;
+ seek(*$self->{FH}, $here, SEEK_SET)
+ or return $self->saveErrorString(undef, "Cannot seek to end of output filehandle: $!", $!) ;
+ }
+ else {
+ substr(${ *$self->{Buffer} }, $offset, length($data)) = $data ;
+ }
+
+ return 1;
+}
+
+sub output
+{
+ my $self = shift ;
+ my $data = shift ;
+ my $last = shift ;
+
+ return 1
+ if length $data == 0 && ! $last ;
+
+ if ( *$self->{FilterEnvelope} ) {
+ *_ = \$data;
+ &{ *$self->{FilterEnvelope} }();
+ }
+
+ if (length $data) {
+ if ( defined *$self->{FH} ) {
+ defined *$self->{FH}->write( $data, length $data )
+ or return $self->saveErrorString(0, $!, $!);
+ }
+ else {
+ ${ *$self->{Buffer} } .= $data ;
+ }
+ }
+
+ return 1;
+}
+
+sub getOneShotParams
+{
+ return ( 'MultiStream' => [1, 1, Parse_boolean, 1],
+ );
+}
+
+sub checkParams
+{
+ my $self = shift ;
+ my $class = shift ;
+
+ my $got = shift || IO::Compress::Base::Parameters::new();
+
+ $got->parse(
+ {
+ # Generic Parameters
+ 'AutoClose' => [1, 1, Parse_boolean, 0],
+ #'Encode' => [1, 1, Parse_any, undef],
+ 'Strict' => [0, 1, Parse_boolean, 1],
+ 'Append' => [1, 1, Parse_boolean, 0],
+ 'BinModeIn' => [1, 1, Parse_boolean, 0],
+
+ 'FilterEnvelope' => [1, 1, Parse_any, undef],
+
+ $self->getExtraParams(),
+ *$self->{OneShot} ? $self->getOneShotParams()
+ : (),
+ },
+ @_) or $self->croakError("${class}: $got->{Error}") ;
+
+ return $got ;
+}
+
+sub _create
+{
+ my $obj = shift;
+ my $got = shift;
+
+ *$obj->{Closed} = 1 ;
+
+ my $class = ref $obj;
+ $obj->croakError("$class: Missing Output parameter")
+ if ! @_ && ! $got ;
+
+ my $outValue = shift ;
+ my $oneShot = 1 ;
+
+ if (! $got)
+ {
+ $oneShot = 0 ;
+ $got = $obj->checkParams($class, undef, @_)
+ or return undef ;
+ }
+
+ my $lax = ! $got->value('Strict') ;
+
+ my $outType = whatIsOutput($outValue);
+
+ $obj->ckOutputParam($class, $outValue)
+ or return undef ;
+
+ if ($outType eq 'buffer') {
+ *$obj->{Buffer} = $outValue;
+ }
+ else {
+ my $buff = "" ;
+ *$obj->{Buffer} = \$buff ;
+ }
+
+ # Merge implies Append
+ my $merge = $got->value('Merge') ;
+ my $appendOutput = $got->value('Append') || $merge ;
+ *$obj->{Append} = $appendOutput;
+ *$obj->{FilterEnvelope} = $got->value('FilterEnvelope') ;
+
+ if ($merge)
+ {
+ # Switch off Merge mode if output file/buffer is empty/doesn't exist
+ if (($outType eq 'buffer' && length $$outValue == 0 ) ||
+ ($outType ne 'buffer' && (! -e $outValue || (-w _ && -z _))) )
+ { $merge = 0 }
+ }
+
+ # If output is a file, check that it is writable
+ if ($outType eq 'filename' && -e $outValue && ! -w _)
+ { return $obj->saveErrorString(undef, "Output file '$outValue' is not writable" ) }
+
+
+
+ if ($got->parsed('Encode')) {
+ my $want_encoding = $got->value('Encode');
+ *$obj->{Encoding} = getEncoding($obj, $class, $want_encoding);
+ }
+
+ $obj->ckParams($got)
+ or $obj->croakError("${class}: " . $obj->error());
+
+
+ $obj->saveStatus(STATUS_OK) ;
+
+ my $status ;
+ if (! $merge)
+ {
+ *$obj->{Compress} = $obj->mkComp($got)
+ or return undef;
+
+ *$obj->{UnCompSize} = new U64 ;
+ *$obj->{CompSize} = new U64 ;
+
+ if ( $outType eq 'buffer') {
+ ${ *$obj->{Buffer} } = ''
+ unless $appendOutput ;
+ }
+ else {
+ if ($outType eq 'handle') {
+ *$obj->{FH} = $outValue ;
+ setBinModeOutput(*$obj->{FH}) ;
+ $outValue->flush() ;
+ *$obj->{Handle} = 1 ;
+ if ($appendOutput)
+ {
+ seek(*$obj->{FH}, 0, SEEK_END)
+ or return $obj->saveErrorString(undef, "Cannot seek to end of output filehandle: $!", $!) ;
+
+ }
+ }
+ elsif ($outType eq 'filename') {
+ my $mode = '>' ;
+ $mode = '>>'
+ if $appendOutput;
+ *$obj->{FH} = new IO::File "$mode $outValue"
+ or return $obj->saveErrorString(undef, "cannot open file '$outValue': $!", $!) ;
+ *$obj->{StdIO} = ($outValue eq '-');
+ setBinModeOutput(*$obj->{FH}) ;
+ }
+ }
+
+ *$obj->{Header} = $obj->mkHeader($got) ;
+ $obj->output( *$obj->{Header} )
+ or return undef;
+ }
+ else
+ {
+ *$obj->{Compress} = $obj->createMerge($outValue, $outType)
+ or return undef;
+ }
+
+ *$obj->{Closed} = 0 ;
+ *$obj->{AutoClose} = $got->value('AutoClose') ;
+ *$obj->{Output} = $outValue;
+ *$obj->{ClassName} = $class;
+ *$obj->{Got} = $got;
+ *$obj->{OneShot} = 0 ;
+
+ return $obj ;
+}
+
+sub ckOutputParam
+{
+ my $self = shift ;
+ my $from = shift ;
+ my $outType = whatIsOutput($_[0]);
+
+ $self->croakError("$from: output parameter not a filename, filehandle or scalar ref")
+ if ! $outType ;
+
+ $self->croakError("$from: output filename is undef or null string")
+ if $outType eq 'filename' && (! defined $_[0] || $_[0] eq '') ;
+
+ $self->croakError("$from: output buffer is read-only")
+ if $outType eq 'buffer' && readonly(${ $_[0] });
+
+ return 1;
+}
+
+
+sub _def
+{
+ my $obj = shift ;
+
+ my $class= (caller)[0] ;
+ my $name = (caller(1))[3] ;
+
+ $obj->croakError("$name: expected at least 1 parameters\n")
+ unless @_ >= 1 ;
+
+ my $input = shift ;
+ my $haveOut = @_ ;
+ my $output = shift ;
+
+ my $x = new IO::Compress::Base::Validator($class, *$obj->{Error}, $name, $input, $output)
+ or return undef ;
+
+ push @_, $output if $haveOut && $x->{Hash};
+
+ *$obj->{OneShot} = 1 ;
+
+ my $got = $obj->checkParams($name, undef, @_)
+ or return undef ;
+
+ $x->{Got} = $got ;
+
+# if ($x->{Hash})
+# {
+# while (my($k, $v) = each %$input)
+# {
+# $v = \$input->{$k}
+# unless defined $v ;
+#
+# $obj->_singleTarget($x, 1, $k, $v, @_)
+# or return undef ;
+# }
+#
+# return keys %$input ;
+# }
+
+ if ($x->{GlobMap})
+ {
+ $x->{oneInput} = 1 ;
+ foreach my $pair (@{ $x->{Pairs} })
+ {
+ my ($from, $to) = @$pair ;
+ $obj->_singleTarget($x, 1, $from, $to, @_)
+ or return undef ;
+ }
+
+ return scalar @{ $x->{Pairs} } ;
+ }
+
+ if (! $x->{oneOutput} )
+ {
+ my $inFile = ($x->{inType} eq 'filenames'
+ || $x->{inType} eq 'filename');
+
+ $x->{inType} = $inFile ? 'filename' : 'buffer';
+
+ foreach my $in ($x->{oneInput} ? $input : @$input)
+ {
+ my $out ;
+ $x->{oneInput} = 1 ;
+
+ $obj->_singleTarget($x, $inFile, $in, \$out, @_)
+ or return undef ;
+
+ push @$output, \$out ;
+ #if ($x->{outType} eq 'array')
+ # { push @$output, \$out }
+ #else
+ # { $output->{$in} = \$out }
+ }
+
+ return 1 ;
+ }
+
+ # finally the 1 to 1 and n to 1
+ return $obj->_singleTarget($x, 1, $input, $output, @_);
+
+ croak "should not be here" ;
+}
+
+sub _singleTarget
+{
+ my $obj = shift ;
+ my $x = shift ;
+ my $inputIsFilename = shift;
+ my $input = shift;
+
+ if ($x->{oneInput})
+ {
+ $obj->getFileInfo($x->{Got}, $input)
+ if isaFilename($input) and $inputIsFilename ;
+
+ my $z = $obj->_create($x->{Got}, @_)
+ or return undef ;
+
+
+ defined $z->_wr2($input, $inputIsFilename)
+ or return $z->closeError(undef) ;
+
+ return $z->close() ;
+ }
+ else
+ {
+ my $afterFirst = 0 ;
+ my $inputIsFilename = ($x->{inType} ne 'array');
+ my $keep = $x->{Got}->clone();
+
+ #for my $element ( ($x->{inType} eq 'hash') ? keys %$input : @$input)
+ for my $element ( @$input)
+ {
+ my $isFilename = isaFilename($element);
+
+ if ( $afterFirst ++ )
+ {
+ defined addInterStream($obj, $element, $isFilename)
+ or return $obj->closeError(undef) ;
+ }
+ else
+ {
+ $obj->getFileInfo($x->{Got}, $element)
+ if $isFilename;
+
+ $obj->_create($x->{Got}, @_)
+ or return undef ;
+ }
+
+ defined $obj->_wr2($element, $isFilename)
+ or return $obj->closeError(undef) ;
+
+ *$obj->{Got} = $keep->clone();
+ }
+ return $obj->close() ;
+ }
+
+}
+
+sub _wr2
+{
+ my $self = shift ;
+
+ my $source = shift ;
+ my $inputIsFilename = shift;
+
+ my $input = $source ;
+ if (! $inputIsFilename)
+ {
+ $input = \$source
+ if ! ref $source;
+ }
+
+ if ( ref $input && ref $input eq 'SCALAR' )
+ {
+ return $self->syswrite($input, @_) ;
+ }
+
+ if ( ! ref $input || isaFilehandle($input))
+ {
+ my $isFilehandle = isaFilehandle($input) ;
+
+ my $fh = $input ;
+
+ if ( ! $isFilehandle )
+ {
+ $fh = new IO::File "<$input"
+ or return $self->saveErrorString(undef, "cannot open file '$input': $!", $!) ;
+ }
+ binmode $fh if *$self->{Got}->valueOrDefault('BinModeIn') ;
+
+ my $status ;
+ my $buff ;
+ my $count = 0 ;
+ while (($status = read($fh, $buff, 16 * 1024)) > 0) {
+ $count += length $buff;
+ defined $self->syswrite($buff, @_)
+ or return undef ;
+ }
+
+ return $self->saveErrorString(undef, $!, $!)
+ if $status < 0 ;
+
+ if ( (!$isFilehandle || *$self->{AutoClose}) && $input ne '-')
+ {
+ $fh->close()
+ or return undef ;
+ }
+
+ return $count ;
+ }
+
+ croak "Should not be here";
+ return undef;
+}
+
+sub addInterStream
+{
+ my $self = shift ;
+ my $input = shift ;
+ my $inputIsFilename = shift ;
+
+ if (*$self->{Got}->value('MultiStream'))
+ {
+ $self->getFileInfo(*$self->{Got}, $input)
+ #if isaFilename($input) and $inputIsFilename ;
+ if isaFilename($input) ;
+
+ # TODO -- newStream needs to allow gzip/zip header to be modified
+ return $self->newStream();
+ }
+ elsif (*$self->{Got}->value('AutoFlush'))
+ {
+ #return $self->flush(Z_FULL_FLUSH);
+ }
+
+ return 1 ;
+}
+
+sub getFileInfo
+{
+}
+
+sub TIEHANDLE
+{
+ return $_[0] if ref($_[0]);
+ die "OOPS\n" ;
+}
+
+sub UNTIE
+{
+ my $self = shift ;
+}
+
+sub DESTROY
+{
+ my $self = shift ;
+ local ($., $@, $!, $^E, $?);
+
+ $self->close() ;
+
+ # TODO - memory leak with 5.8.0 - this isn't called until
+ # global destruction
+ #
+ %{ *$self } = () ;
+ undef $self ;
+}
+
+
+
+sub filterUncompressed
+{
+}
+
+sub syswrite
+{
+ my $self = shift ;
+
+ my $buffer ;
+ if (ref $_[0] ) {
+ $self->croakError( *$self->{ClassName} . "::write: not a scalar reference" )
+ unless ref $_[0] eq 'SCALAR' ;
+ $buffer = $_[0] ;
+ }
+ else {
+ $buffer = \$_[0] ;
+ }
+
+ $] >= 5.008 and ( utf8::downgrade($$buffer, 1)
+ or croak "Wide character in " . *$self->{ClassName} . "::write:");
+
+
+ if (@_ > 1) {
+ my $slen = defined $$buffer ? length($$buffer) : 0;
+ my $len = $slen;
+ my $offset = 0;
+ $len = $_[1] if $_[1] < $len;
+
+ if (@_ > 2) {
+ $offset = $_[2] || 0;
+ $self->croakError(*$self->{ClassName} . "::write: offset outside string")
+ if $offset > $slen;
+ if ($offset < 0) {
+ $offset += $slen;
+ $self->croakError( *$self->{ClassName} . "::write: offset outside string") if $offset < 0;
+ }
+ my $rem = $slen - $offset;
+ $len = $rem if $rem < $len;
+ }
+
+ $buffer = \substr($$buffer, $offset, $len) ;
+ }
+
+ return 0 if ! defined $$buffer || length $$buffer == 0 ;
+
+ if (*$self->{Encoding}) {
+ $$buffer = *$self->{Encoding}->encode($$buffer);
+ }
+
+ $self->filterUncompressed($buffer);
+
+ my $buffer_length = defined $$buffer ? length($$buffer) : 0 ;
+ *$self->{UnCompSize}->add($buffer_length) ;
+
+ my $outBuffer='';
+ my $status = *$self->{Compress}->compr($buffer, $outBuffer) ;
+
+ return $self->saveErrorString(undef, *$self->{Compress}{Error},
+ *$self->{Compress}{ErrorNo})
+ if $status == STATUS_ERROR;
+
+ *$self->{CompSize}->add(length $outBuffer) ;
+
+ $self->output($outBuffer)
+ or return undef;
+
+ return $buffer_length;
+}
+
+sub print
+{
+ my $self = shift;
+
+ #if (ref $self) {
+ # $self = *$self{GLOB} ;
+ #}
+
+ if (defined $\) {
+ if (defined $,) {
+ defined $self->syswrite(join($,, @_) . $\);
+ } else {
+ defined $self->syswrite(join("", @_) . $\);
+ }
+ } else {
+ if (defined $,) {
+ defined $self->syswrite(join($,, @_));
+ } else {
+ defined $self->syswrite(join("", @_));
+ }
+ }
+}
+
+sub printf
+{
+ my $self = shift;
+ my $fmt = shift;
+ defined $self->syswrite(sprintf($fmt, @_));
+}
+
+
+
+sub flush
+{
+ my $self = shift ;
+
+ my $outBuffer='';
+ my $status = *$self->{Compress}->flush($outBuffer, @_) ;
+ return $self->saveErrorString(0, *$self->{Compress}{Error},
+ *$self->{Compress}{ErrorNo})
+ if $status == STATUS_ERROR;
+
+ if ( defined *$self->{FH} ) {
+ *$self->{FH}->clearerr();
+ }
+
+ *$self->{CompSize}->add(length $outBuffer) ;
+
+ $self->output($outBuffer)
+ or return 0;
+
+ if ( defined *$self->{FH} ) {
+ defined *$self->{FH}->flush()
+ or return $self->saveErrorString(0, $!, $!);
+ }
+
+ return 1;
+}
+
+sub newStream
+{
+ my $self = shift ;
+
+ $self->_writeTrailer()
+ or return 0 ;
+
+ my $got = $self->checkParams('newStream', *$self->{Got}, @_)
+ or return 0 ;
+
+ $self->ckParams($got)
+ or $self->croakError("newStream: $self->{Error}");
+
+ *$self->{Compress} = $self->mkComp($got)
+ or return 0;
+
+ *$self->{Header} = $self->mkHeader($got) ;
+ $self->output(*$self->{Header} )
+ or return 0;
+
+ *$self->{UnCompSize}->reset();
+ *$self->{CompSize}->reset();
+
+ return 1 ;
+}
+
+sub reset
+{
+ my $self = shift ;
+ return *$self->{Compress}->reset() ;
+}
+
+sub _writeTrailer
+{
+ my $self = shift ;
+
+ my $trailer = '';
+
+ my $status = *$self->{Compress}->close($trailer) ;
+ return $self->saveErrorString(0, *$self->{Compress}{Error}, *$self->{Compress}{ErrorNo})
+ if $status == STATUS_ERROR;
+
+ *$self->{CompSize}->add(length $trailer) ;
+
+ $trailer .= $self->mkTrailer();
+ defined $trailer
+ or return 0;
+
+ return $self->output($trailer);
+}
+
+sub _writeFinalTrailer
+{
+ my $self = shift ;
+
+ return $self->output($self->mkFinalTrailer());
+}
+
+sub close
+{
+ my $self = shift ;
+
+ return 1 if *$self->{Closed} || ! *$self->{Compress} ;
+ *$self->{Closed} = 1 ;
+
+ untie *$self
+ if $] >= 5.008 ;
+
+ $self->_writeTrailer()
+ or return 0 ;
+
+ $self->_writeFinalTrailer()
+ or return 0 ;
+
+ $self->output( "", 1 )
+ or return 0;
+
+ if (defined *$self->{FH}) {
+
+ #if (! *$self->{Handle} || *$self->{AutoClose}) {
+ if ((! *$self->{Handle} || *$self->{AutoClose}) && ! *$self->{StdIO}) {
+ $! = 0 ;
+ *$self->{FH}->close()
+ or return $self->saveErrorString(0, $!, $!);
+ }
+ delete *$self->{FH} ;
+ # This delete can set $! in older Perls, so reset the errno
+ $! = 0 ;
+ }
+
+ return 1;
+}
+
+
+#sub total_in
+#sub total_out
+#sub msg
+#
+#sub crc
+#{
+# my $self = shift ;
+# return *$self->{Compress}->crc32() ;
+#}
+#
+#sub msg
+#{
+# my $self = shift ;
+# return *$self->{Compress}->msg() ;
+#}
+#
+#sub dict_adler
+#{
+# my $self = shift ;
+# return *$self->{Compress}->dict_adler() ;
+#}
+#
+#sub get_Level
+#{
+# my $self = shift ;
+# return *$self->{Compress}->get_Level() ;
+#}
+#
+#sub get_Strategy
+#{
+# my $self = shift ;
+# return *$self->{Compress}->get_Strategy() ;
+#}
+
+
+sub tell
+{
+ my $self = shift ;
+
+ return *$self->{UnCompSize}->get32bit() ;
+}
+
+sub eof
+{
+ my $self = shift ;
+
+ return *$self->{Closed} ;
+}
+
+
+sub seek
+{
+ my $self = shift ;
+ my $position = shift;
+ my $whence = shift ;
+
+ my $here = $self->tell() ;
+ my $target = 0 ;
+
+ #use IO::Handle qw(SEEK_SET SEEK_CUR SEEK_END);
+ use IO::Handle ;
+
+ if ($whence == IO::Handle::SEEK_SET) {
+ $target = $position ;
+ }
+ elsif ($whence == IO::Handle::SEEK_CUR || $whence == IO::Handle::SEEK_END) {
+ $target = $here + $position ;
+ }
+ else {
+ $self->croakError(*$self->{ClassName} . "::seek: unknown value, $whence, for whence parameter");
+ }
+
+ # short circuit if seeking to current offset
+ return 1 if $target == $here ;
+
+ # Outlaw any attempt to seek backwards
+ $self->croakError(*$self->{ClassName} . "::seek: cannot seek backwards")
+ if $target < $here ;
+
+ # Walk the file to the new offset
+ my $offset = $target - $here ;
+
+ my $buffer ;
+ defined $self->syswrite("\x00" x $offset)
+ or return 0;
+
+ return 1 ;
+}
+
+sub binmode
+{
+ 1;
+# my $self = shift ;
+# return defined *$self->{FH}
+# ? binmode *$self->{FH}
+# : 1 ;
+}
+
+sub fileno
+{
+ my $self = shift ;
+ return defined *$self->{FH}
+ ? *$self->{FH}->fileno()
+ : undef ;
+}
+
+sub opened
+{
+ my $self = shift ;
+ return ! *$self->{Closed} ;
+}
+
+sub autoflush
+{
+ my $self = shift ;
+ return defined *$self->{FH}
+ ? *$self->{FH}->autoflush(@_)
+ : undef ;
+}
+
+sub input_line_number
+{
+ return undef ;
+}
+
+
+sub _notAvailable
+{
+ my $name = shift ;
+ return sub { croak "$name Not Available: File opened only for output" ; } ;
+}
+
+*read = _notAvailable('read');
+*READ = _notAvailable('read');
+*readline = _notAvailable('readline');
+*READLINE = _notAvailable('readline');
+*getc = _notAvailable('getc');
+*GETC = _notAvailable('getc');
+
+*FILENO = \&fileno;
+*PRINT = \&print;
+*PRINTF = \&printf;
+*WRITE = \&syswrite;
+*write = \&syswrite;
+*SEEK = \&seek;
+*TELL = \&tell;
+*EOF = \&eof;
+*CLOSE = \&close;
+*BINMODE = \&binmode;
+
+#*sysread = \&_notAvailable;
+#*syswrite = \&_write;
+
+1;
+
+__END__
+
+=head1 NAME
+
+IO::Compress::Base - Base Class for IO::Compress modules
+
+=head1 SYNOPSIS
+
+ use IO::Compress::Base ;
+
+=head1 DESCRIPTION
+
+This module is not intended for direct use in application code. Its sole
+purpose if to to be sub-classed by IO::Compress modules.
+
+=head1 SEE ALSO
+
+L<Compress::Zlib>, L<IO::Compress::Gzip>, L<IO::Uncompress::Gunzip>, L<IO::Compress::Deflate>, L<IO::Uncompress::Inflate>, L<IO::Compress::RawDeflate>, L<IO::Uncompress::RawInflate>, L<IO::Compress::Bzip2>, L<IO::Uncompress::Bunzip2>, L<IO::Compress::Lzop>, L<IO::Uncompress::UnLzop>, L<IO::Compress::Lzf>, L<IO::Uncompress::UnLzf>, L<IO::Uncompress::AnyInflate>, L<IO::Uncompress::AnyUncompress>
+
+L<Compress::Zlib::FAQ|Compress::Zlib::FAQ>
+
+L<File::GlobMapper|File::GlobMapper>, L<Archive::Zip|Archive::Zip>,
+L<Archive::Tar|Archive::Tar>,
+L<IO::Zlib|IO::Zlib>
+
+=head1 AUTHOR
+
+This module was written by Paul Marquess, F<pmqs@cpan.org>.
+
+=head1 MODIFICATION HISTORY
+
+See the Changes file.
+
+=head1 COPYRIGHT AND LICENSE
+
+Copyright (c) 2005-2008 Paul Marquess. All rights reserved.
+
+This program is free software; you can redistribute it and/or
+modify it under the same terms as Perl itself.
+
projects / dh-make-perl / blobdiff