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.gitattributes
CHANGED
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msbuild_packages/Microsoft.Build.Utilities.Core.17.10.4/lib/net8.0/Microsoft.Build.Utilities.Core.pdb filter=lfs diff=lfs merge=lfs -text
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| 1847 |
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|
| 2246 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/bn.dat filter=lfs diff=lfs merge=lfs -text
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| 2247 |
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|
| 2248 |
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| 2249 |
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| 2250 |
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| 2251 |
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|
| 2252 |
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| 2253 |
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|
| 2254 |
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| 2255 |
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|
| 2256 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/cs.dat filter=lfs diff=lfs merge=lfs -text
|
| 2257 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/cv.dat filter=lfs diff=lfs merge=lfs -text
|
| 2258 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/cy.dat filter=lfs diff=lfs merge=lfs -text
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| 2259 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/da.dat filter=lfs diff=lfs merge=lfs -text
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| 2260 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/de.dat filter=lfs diff=lfs merge=lfs -text
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| 2261 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/dsb.dat filter=lfs diff=lfs merge=lfs -text
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| 2262 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/el.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/en.dat filter=lfs diff=lfs merge=lfs -text
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| 2264 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/eo.dat filter=lfs diff=lfs merge=lfs -text
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| 2265 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/es.dat filter=lfs diff=lfs merge=lfs -text
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| 2266 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/et.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/eu.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/fa.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/ff_Adlm.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/fi.dat filter=lfs diff=lfs merge=lfs -text
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| 2271 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/fil.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/fo.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/fr.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/frr.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/fy.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/ga.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/gd.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/gl.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/gu.dat filter=lfs diff=lfs merge=lfs -text
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| 2280 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/ha.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/he.dat filter=lfs diff=lfs merge=lfs -text
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| 2282 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/hi.dat filter=lfs diff=lfs merge=lfs -text
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| 2283 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/hr.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/hsb.dat filter=lfs diff=lfs merge=lfs -text
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| 2285 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/hu.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/hy.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/ia.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/id.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/is.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/it.dat filter=lfs diff=lfs merge=lfs -text
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| 2291 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/ja.dat filter=lfs diff=lfs merge=lfs -text
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| 2292 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/jv.dat filter=lfs diff=lfs merge=lfs -text
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/ka.dat filter=lfs diff=lfs merge=lfs -text
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| 2294 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/kab.dat filter=lfs diff=lfs merge=lfs -text
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| 2295 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/kgp.dat filter=lfs diff=lfs merge=lfs -text
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git/usr/share/perl5/core_perl/IO/Compress/Zip.pm
ADDED
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|
| 1 |
+
package IO::Compress::Zip ;
|
| 2 |
+
|
| 3 |
+
use strict ;
|
| 4 |
+
use warnings;
|
| 5 |
+
use bytes;
|
| 6 |
+
|
| 7 |
+
use IO::Compress::Base::Common 2.213 qw(:Status );
|
| 8 |
+
use IO::Compress::RawDeflate 2.213 ();
|
| 9 |
+
use IO::Compress::Adapter::Deflate 2.213 ;
|
| 10 |
+
use IO::Compress::Adapter::Identity 2.213 ;
|
| 11 |
+
use IO::Compress::Zlib::Extra 2.213 ;
|
| 12 |
+
use IO::Compress::Zip::Constants 2.213 ;
|
| 13 |
+
|
| 14 |
+
use File::Spec();
|
| 15 |
+
use Config;
|
| 16 |
+
|
| 17 |
+
use Compress::Raw::Zlib 2.213 ();
|
| 18 |
+
|
| 19 |
+
BEGIN
|
| 20 |
+
{
|
| 21 |
+
eval { require IO::Compress::Adapter::Bzip2 ;
|
| 22 |
+
IO::Compress::Adapter::Bzip2->VERSION( 2.213 );
|
| 23 |
+
require IO::Compress::Bzip2 ;
|
| 24 |
+
IO::Compress::Bzip2->VERSION( 2.213 );
|
| 25 |
+
} ;
|
| 26 |
+
|
| 27 |
+
eval { require IO::Compress::Adapter::Lzma ;
|
| 28 |
+
IO::Compress::Adapter::Lzma->VERSION( 2.213 );
|
| 29 |
+
require IO::Compress::Lzma ;
|
| 30 |
+
IO::Compress::Lzma->VERSION( 2.213 );
|
| 31 |
+
} ;
|
| 32 |
+
|
| 33 |
+
eval { require IO::Compress::Adapter::Xz ;
|
| 34 |
+
IO::Compress::Adapter::Xz->VERSION( 2.213 );
|
| 35 |
+
require IO::Compress::Xz ;
|
| 36 |
+
IO::Compress::Xz->VERSION( 2.213 );
|
| 37 |
+
} ;
|
| 38 |
+
eval { require IO::Compress::Adapter::Zstd ;
|
| 39 |
+
IO::Compress::Adapter::Zstd->VERSION( 2.213 );
|
| 40 |
+
require IO::Compress::Zstd ;
|
| 41 |
+
IO::Compress::Zstd->VERSION( 2.213 );
|
| 42 |
+
} ;
|
| 43 |
+
}
|
| 44 |
+
|
| 45 |
+
|
| 46 |
+
require Exporter ;
|
| 47 |
+
|
| 48 |
+
our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, %DEFLATE_CONSTANTS, $ZipError);
|
| 49 |
+
|
| 50 |
+
$VERSION = '2.213';
|
| 51 |
+
$ZipError = '';
|
| 52 |
+
|
| 53 |
+
@ISA = qw(IO::Compress::RawDeflate Exporter);
|
| 54 |
+
@EXPORT_OK = qw( $ZipError zip ) ;
|
| 55 |
+
%EXPORT_TAGS = %IO::Compress::RawDeflate::DEFLATE_CONSTANTS ;
|
| 56 |
+
|
| 57 |
+
push @{ $EXPORT_TAGS{all} }, @EXPORT_OK ;
|
| 58 |
+
|
| 59 |
+
$EXPORT_TAGS{zip_method} = [qw( ZIP_CM_STORE ZIP_CM_DEFLATE ZIP_CM_BZIP2 ZIP_CM_LZMA ZIP_CM_XZ ZIP_CM_ZSTD)];
|
| 60 |
+
push @{ $EXPORT_TAGS{all} }, @{ $EXPORT_TAGS{zip_method} };
|
| 61 |
+
|
| 62 |
+
Exporter::export_ok_tags('all');
|
| 63 |
+
|
| 64 |
+
sub new
|
| 65 |
+
{
|
| 66 |
+
my $class = shift ;
|
| 67 |
+
|
| 68 |
+
my $obj = IO::Compress::Base::Common::createSelfTiedObject($class, \$ZipError);
|
| 69 |
+
$obj->_create(undef, @_);
|
| 70 |
+
|
| 71 |
+
}
|
| 72 |
+
|
| 73 |
+
sub zip
|
| 74 |
+
{
|
| 75 |
+
my $obj = IO::Compress::Base::Common::createSelfTiedObject(undef, \$ZipError);
|
| 76 |
+
return $obj->_def(@_);
|
| 77 |
+
}
|
| 78 |
+
|
| 79 |
+
sub isMethodAvailable
|
| 80 |
+
{
|
| 81 |
+
my $method = shift;
|
| 82 |
+
|
| 83 |
+
# Store & Deflate are always available
|
| 84 |
+
return 1
|
| 85 |
+
if $method == ZIP_CM_STORE || $method == ZIP_CM_DEFLATE ;
|
| 86 |
+
|
| 87 |
+
return 1
|
| 88 |
+
if $method == ZIP_CM_BZIP2 &&
|
| 89 |
+
defined $IO::Compress::Adapter::Bzip2::VERSION &&
|
| 90 |
+
defined &{ "IO::Compress::Adapter::Bzip2::mkRawZipCompObject" };
|
| 91 |
+
|
| 92 |
+
return 1
|
| 93 |
+
if $method == ZIP_CM_LZMA &&
|
| 94 |
+
defined $IO::Compress::Adapter::Lzma::VERSION &&
|
| 95 |
+
defined &{ "IO::Compress::Adapter::Lzma::mkRawZipCompObject" };
|
| 96 |
+
|
| 97 |
+
return 1
|
| 98 |
+
if $method == ZIP_CM_XZ &&
|
| 99 |
+
defined $IO::Compress::Adapter::Xz::VERSION &&
|
| 100 |
+
defined &{ "IO::Compress::Adapter::Xz::mkRawZipCompObject" };
|
| 101 |
+
|
| 102 |
+
return 1
|
| 103 |
+
if $method == ZIP_CM_ZSTD &&
|
| 104 |
+
defined $IO::Compress::Adapter::ZSTD::VERSION &&
|
| 105 |
+
defined &{ "IO::Compress::Adapter::ZSTD::mkRawZipCompObject" };
|
| 106 |
+
|
| 107 |
+
return 0;
|
| 108 |
+
}
|
| 109 |
+
|
| 110 |
+
sub beforePayload
|
| 111 |
+
{
|
| 112 |
+
my $self = shift ;
|
| 113 |
+
|
| 114 |
+
if (*$self->{ZipData}{Sparse} ) {
|
| 115 |
+
my $inc = 1024 * 100 ;
|
| 116 |
+
my $NULLS = ("\x00" x $inc) ;
|
| 117 |
+
my $sparse = *$self->{ZipData}{Sparse} ;
|
| 118 |
+
*$self->{CompSize}->add( $sparse );
|
| 119 |
+
*$self->{UnCompSize}->add( $sparse );
|
| 120 |
+
|
| 121 |
+
*$self->{FH}->seek($sparse, IO::Handle::SEEK_CUR);
|
| 122 |
+
|
| 123 |
+
*$self->{ZipData}{CRC32} = Compress::Raw::Zlib::crc32($NULLS, *$self->{ZipData}{CRC32})
|
| 124 |
+
for 1 .. int $sparse / $inc;
|
| 125 |
+
*$self->{ZipData}{CRC32} = Compress::Raw::Zlib::crc32(substr($NULLS, 0, $sparse % $inc),
|
| 126 |
+
*$self->{ZipData}{CRC32})
|
| 127 |
+
if $sparse % $inc;
|
| 128 |
+
}
|
| 129 |
+
}
|
| 130 |
+
|
| 131 |
+
sub mkComp
|
| 132 |
+
{
|
| 133 |
+
my $self = shift ;
|
| 134 |
+
my $got = shift ;
|
| 135 |
+
|
| 136 |
+
my ($obj, $errstr, $errno) ;
|
| 137 |
+
|
| 138 |
+
if (*$self->{ZipData}{Method} == ZIP_CM_STORE) {
|
| 139 |
+
($obj, $errstr, $errno) = IO::Compress::Adapter::Identity::mkCompObject(
|
| 140 |
+
$got->getValue('level'),
|
| 141 |
+
$got->getValue('strategy')
|
| 142 |
+
);
|
| 143 |
+
*$self->{ZipData}{CRC32} = Compress::Raw::Zlib::crc32(undef);
|
| 144 |
+
}
|
| 145 |
+
elsif (*$self->{ZipData}{Method} == ZIP_CM_DEFLATE) {
|
| 146 |
+
($obj, $errstr, $errno) = IO::Compress::Adapter::Deflate::mkCompObject(
|
| 147 |
+
$got->getValue('crc32'),
|
| 148 |
+
$got->getValue('adler32'),
|
| 149 |
+
$got->getValue('level'),
|
| 150 |
+
$got->getValue('strategy')
|
| 151 |
+
);
|
| 152 |
+
}
|
| 153 |
+
elsif (*$self->{ZipData}{Method} == ZIP_CM_BZIP2) {
|
| 154 |
+
($obj, $errstr, $errno) = IO::Compress::Adapter::Bzip2::mkCompObject(
|
| 155 |
+
$got->getValue('blocksize100k'),
|
| 156 |
+
$got->getValue('workfactor'),
|
| 157 |
+
$got->getValue('verbosity')
|
| 158 |
+
);
|
| 159 |
+
*$self->{ZipData}{CRC32} = Compress::Raw::Zlib::crc32(undef);
|
| 160 |
+
}
|
| 161 |
+
elsif (*$self->{ZipData}{Method} == ZIP_CM_LZMA) {
|
| 162 |
+
($obj, $errstr, $errno) = IO::Compress::Adapter::Lzma::mkRawZipCompObject($got->getValue('preset'),
|
| 163 |
+
$got->getValue('extreme'),
|
| 164 |
+
);
|
| 165 |
+
*$self->{ZipData}{CRC32} = Compress::Raw::Zlib::crc32(undef);
|
| 166 |
+
}
|
| 167 |
+
elsif (*$self->{ZipData}{Method} == ZIP_CM_XZ) {
|
| 168 |
+
($obj, $errstr, $errno) = IO::Compress::Adapter::Xz::mkCompObject($got->getValue('preset'),
|
| 169 |
+
$got->getValue('extreme'),
|
| 170 |
+
0
|
| 171 |
+
);
|
| 172 |
+
*$self->{ZipData}{CRC32} = Compress::Raw::Zlib::crc32(undef);
|
| 173 |
+
}
|
| 174 |
+
elsif (*$self->{ZipData}{Method} == ZIP_CM_ZSTD) {
|
| 175 |
+
($obj, $errstr, $errno) = IO::Compress::Adapter::Zstd::mkCompObject(defined $got->getValue('level') ? $got->getValue('level') : 3,
|
| 176 |
+
);
|
| 177 |
+
*$self->{ZipData}{CRC32} = Compress::Raw::Zlib::crc32(undef);
|
| 178 |
+
}
|
| 179 |
+
|
| 180 |
+
return $self->saveErrorString(undef, $errstr, $errno)
|
| 181 |
+
if ! defined $obj;
|
| 182 |
+
|
| 183 |
+
if (! defined *$self->{ZipData}{SizesOffset}) {
|
| 184 |
+
*$self->{ZipData}{SizesOffset} = 0;
|
| 185 |
+
*$self->{ZipData}{Offset} = U64->new();
|
| 186 |
+
}
|
| 187 |
+
|
| 188 |
+
*$self->{ZipData}{AnyZip64} = 0
|
| 189 |
+
if ! defined *$self->{ZipData}{AnyZip64} ;
|
| 190 |
+
|
| 191 |
+
return $obj;
|
| 192 |
+
}
|
| 193 |
+
|
| 194 |
+
sub reset
|
| 195 |
+
{
|
| 196 |
+
my $self = shift ;
|
| 197 |
+
|
| 198 |
+
*$self->{Compress}->reset();
|
| 199 |
+
*$self->{ZipData}{CRC32} = Compress::Raw::Zlib::crc32('');
|
| 200 |
+
|
| 201 |
+
return STATUS_OK;
|
| 202 |
+
}
|
| 203 |
+
|
| 204 |
+
sub filterUncompressed
|
| 205 |
+
{
|
| 206 |
+
my $self = shift ;
|
| 207 |
+
|
| 208 |
+
if (*$self->{ZipData}{Method} == ZIP_CM_DEFLATE) {
|
| 209 |
+
*$self->{ZipData}{CRC32} = *$self->{Compress}->crc32();
|
| 210 |
+
}
|
| 211 |
+
else {
|
| 212 |
+
*$self->{ZipData}{CRC32} = Compress::Raw::Zlib::crc32(${$_[0]}, *$self->{ZipData}{CRC32});
|
| 213 |
+
|
| 214 |
+
}
|
| 215 |
+
}
|
| 216 |
+
|
| 217 |
+
sub canonicalName
|
| 218 |
+
{
|
| 219 |
+
# This sub is derived from Archive::Zip::_asZipDirName
|
| 220 |
+
|
| 221 |
+
# Return the normalized name as used in a zip file (path
|
| 222 |
+
# separators become slashes, etc.).
|
| 223 |
+
# Will translate internal slashes in path components (i.e. on Macs) to
|
| 224 |
+
# underscores. Discards volume names.
|
| 225 |
+
# When $forceDir is set, returns paths with trailing slashes
|
| 226 |
+
#
|
| 227 |
+
# input output
|
| 228 |
+
# . '.'
|
| 229 |
+
# ./a a
|
| 230 |
+
# ./a/b a/b
|
| 231 |
+
# ./a/b/ a/b
|
| 232 |
+
# a/b/ a/b
|
| 233 |
+
# /a/b/ a/b
|
| 234 |
+
# c:\a\b\c.doc a/b/c.doc # on Windows
|
| 235 |
+
# "i/o maps:whatever" i_o maps/whatever # on Macs
|
| 236 |
+
|
| 237 |
+
my $name = shift;
|
| 238 |
+
my $forceDir = shift ;
|
| 239 |
+
|
| 240 |
+
my ( $volume, $directories, $file ) =
|
| 241 |
+
File::Spec->splitpath( File::Spec->canonpath($name), $forceDir );
|
| 242 |
+
|
| 243 |
+
my @dirs = map { $_ =~ s{/}{_}g; $_ }
|
| 244 |
+
File::Spec->splitdir($directories);
|
| 245 |
+
|
| 246 |
+
if ( @dirs > 0 ) { pop (@dirs) if $dirs[-1] eq '' } # remove empty component
|
| 247 |
+
push @dirs, defined($file) ? $file : '' ;
|
| 248 |
+
|
| 249 |
+
my $normalised_path = join '/', @dirs;
|
| 250 |
+
|
| 251 |
+
# Leading directory separators should not be stored in zip archives.
|
| 252 |
+
# Example:
|
| 253 |
+
# C:\a\b\c\ a/b/c
|
| 254 |
+
# C:\a\b\c.txt a/b/c.txt
|
| 255 |
+
# /a/b/c/ a/b/c
|
| 256 |
+
# /a/b/c.txt a/b/c.txt
|
| 257 |
+
$normalised_path =~ s{^/}{}; # remove leading separator
|
| 258 |
+
|
| 259 |
+
return $normalised_path;
|
| 260 |
+
}
|
| 261 |
+
|
| 262 |
+
|
| 263 |
+
sub mkHeader
|
| 264 |
+
{
|
| 265 |
+
my $self = shift;
|
| 266 |
+
my $param = shift ;
|
| 267 |
+
|
| 268 |
+
*$self->{ZipData}{LocalHdrOffset} = U64::clone(*$self->{ZipData}{Offset});
|
| 269 |
+
|
| 270 |
+
my $comment = '';
|
| 271 |
+
$comment = $param->valueOrDefault('comment') ;
|
| 272 |
+
|
| 273 |
+
my $filename = '';
|
| 274 |
+
$filename = $param->valueOrDefault('name') ;
|
| 275 |
+
|
| 276 |
+
$filename = canonicalName($filename)
|
| 277 |
+
if length $filename && $param->getValue('canonicalname') ;
|
| 278 |
+
|
| 279 |
+
if (defined *$self->{ZipData}{FilterName} ) {
|
| 280 |
+
local *_ = \$filename ;
|
| 281 |
+
&{ *$self->{ZipData}{FilterName} }() ;
|
| 282 |
+
}
|
| 283 |
+
|
| 284 |
+
if ( $param->getValue('efs') && $] >= 5.008004) {
|
| 285 |
+
if (length $filename) {
|
| 286 |
+
utf8::downgrade($filename, 1)
|
| 287 |
+
or Carp::croak "Wide character in zip filename";
|
| 288 |
+
}
|
| 289 |
+
|
| 290 |
+
if (length $comment) {
|
| 291 |
+
utf8::downgrade($comment, 1)
|
| 292 |
+
or Carp::croak "Wide character in zip comment";
|
| 293 |
+
}
|
| 294 |
+
}
|
| 295 |
+
|
| 296 |
+
my $hdr = '';
|
| 297 |
+
|
| 298 |
+
my $time = _unixToDosTime($param->getValue('time'));
|
| 299 |
+
|
| 300 |
+
my $extra = '';
|
| 301 |
+
my $ctlExtra = '';
|
| 302 |
+
my $empty = 0;
|
| 303 |
+
my $osCode = $param->getValue('os_code') ;
|
| 304 |
+
my $extFileAttr = 0 ;
|
| 305 |
+
|
| 306 |
+
# This code assumes Unix.
|
| 307 |
+
# TODO - revisit this
|
| 308 |
+
$extFileAttr = 0100644 << 16
|
| 309 |
+
if $osCode == ZIP_OS_CODE_UNIX ;
|
| 310 |
+
|
| 311 |
+
if (*$self->{ZipData}{Zip64}) {
|
| 312 |
+
$empty = IO::Compress::Base::Common::MAX32;
|
| 313 |
+
|
| 314 |
+
my $x = '';
|
| 315 |
+
$x .= pack "V V", 0, 0 ; # uncompressedLength
|
| 316 |
+
$x .= pack "V V", 0, 0 ; # compressedLength
|
| 317 |
+
|
| 318 |
+
# Zip64 needs to be first in extra field to workaround a Windows Explorer Bug
|
| 319 |
+
# See http://www.info-zip.org/phpBB3/viewtopic.php?f=3&t=440 for details
|
| 320 |
+
$extra .= IO::Compress::Zlib::Extra::mkSubField(ZIP_EXTRA_ID_ZIP64, $x);
|
| 321 |
+
}
|
| 322 |
+
|
| 323 |
+
if (! $param->getValue('minimal')) {
|
| 324 |
+
if ($param->parsed('mtime'))
|
| 325 |
+
{
|
| 326 |
+
$extra .= mkExtendedTime($param->getValue('mtime'),
|
| 327 |
+
$param->getValue('atime'),
|
| 328 |
+
$param->getValue('ctime'));
|
| 329 |
+
|
| 330 |
+
$ctlExtra .= mkExtendedTime($param->getValue('mtime'));
|
| 331 |
+
}
|
| 332 |
+
|
| 333 |
+
if ( $osCode == ZIP_OS_CODE_UNIX )
|
| 334 |
+
{
|
| 335 |
+
if ( $param->getValue('want_exunixn') )
|
| 336 |
+
{
|
| 337 |
+
my $ux3 = mkUnixNExtra( @{ $param->getValue('want_exunixn') });
|
| 338 |
+
$extra .= $ux3;
|
| 339 |
+
$ctlExtra .= $ux3;
|
| 340 |
+
}
|
| 341 |
+
|
| 342 |
+
if ( $param->getValue('exunix2') )
|
| 343 |
+
{
|
| 344 |
+
$extra .= mkUnix2Extra( @{ $param->getValue('exunix2') });
|
| 345 |
+
$ctlExtra .= mkUnix2Extra();
|
| 346 |
+
}
|
| 347 |
+
}
|
| 348 |
+
|
| 349 |
+
$extFileAttr = $param->getValue('extattr')
|
| 350 |
+
if defined $param->getValue('extattr') ;
|
| 351 |
+
|
| 352 |
+
$extra .= $param->getValue('extrafieldlocal')
|
| 353 |
+
if defined $param->getValue('extrafieldlocal');
|
| 354 |
+
|
| 355 |
+
$ctlExtra .= $param->getValue('extrafieldcentral')
|
| 356 |
+
if defined $param->getValue('extrafieldcentral');
|
| 357 |
+
}
|
| 358 |
+
|
| 359 |
+
my $method = *$self->{ZipData}{Method} ;
|
| 360 |
+
my $gpFlag = 0 ;
|
| 361 |
+
$gpFlag |= ZIP_GP_FLAG_STREAMING_MASK
|
| 362 |
+
if *$self->{ZipData}{Stream} ;
|
| 363 |
+
|
| 364 |
+
$gpFlag |= ZIP_GP_FLAG_LZMA_EOS_PRESENT
|
| 365 |
+
if $method == ZIP_CM_LZMA ;
|
| 366 |
+
|
| 367 |
+
$gpFlag |= ZIP_GP_FLAG_LANGUAGE_ENCODING
|
| 368 |
+
if $param->getValue('efs') && (length($filename) || length($comment));
|
| 369 |
+
|
| 370 |
+
my $version = $ZIP_CM_MIN_VERSIONS{$method};
|
| 371 |
+
$version = ZIP64_MIN_VERSION
|
| 372 |
+
if ZIP64_MIN_VERSION > $version && *$self->{ZipData}{Zip64};
|
| 373 |
+
|
| 374 |
+
my $madeBy = ($param->getValue('os_code') << 8) + $version;
|
| 375 |
+
my $extract = $version;
|
| 376 |
+
|
| 377 |
+
*$self->{ZipData}{Version} = $version;
|
| 378 |
+
*$self->{ZipData}{MadeBy} = $madeBy;
|
| 379 |
+
|
| 380 |
+
my $ifa = 0;
|
| 381 |
+
$ifa |= ZIP_IFA_TEXT_MASK
|
| 382 |
+
if $param->getValue('textflag');
|
| 383 |
+
|
| 384 |
+
$hdr .= pack "V", ZIP_LOCAL_HDR_SIG ; # signature
|
| 385 |
+
$hdr .= pack 'v', $extract ; # extract Version & OS
|
| 386 |
+
$hdr .= pack 'v', $gpFlag ; # general purpose flag (set streaming mode)
|
| 387 |
+
$hdr .= pack 'v', $method ; # compression method (deflate)
|
| 388 |
+
$hdr .= pack 'V', $time ; # last mod date/time
|
| 389 |
+
$hdr .= pack 'V', 0 ; # crc32 - 0 when streaming
|
| 390 |
+
$hdr .= pack 'V', $empty ; # compressed length - 0 when streaming
|
| 391 |
+
$hdr .= pack 'V', $empty ; # uncompressed length - 0 when streaming
|
| 392 |
+
$hdr .= pack 'v', length $filename ; # filename length
|
| 393 |
+
$hdr .= pack 'v', length $extra ; # extra length
|
| 394 |
+
|
| 395 |
+
$hdr .= $filename ;
|
| 396 |
+
|
| 397 |
+
# Remember the offset for the compressed & uncompressed lengths in the
|
| 398 |
+
# local header.
|
| 399 |
+
if (*$self->{ZipData}{Zip64}) {
|
| 400 |
+
*$self->{ZipData}{SizesOffset} = *$self->{ZipData}{Offset}->get64bit()
|
| 401 |
+
+ length($hdr) + 4 ;
|
| 402 |
+
}
|
| 403 |
+
else {
|
| 404 |
+
*$self->{ZipData}{SizesOffset} = *$self->{ZipData}{Offset}->get64bit()
|
| 405 |
+
+ 18;
|
| 406 |
+
}
|
| 407 |
+
|
| 408 |
+
$hdr .= $extra ;
|
| 409 |
+
|
| 410 |
+
|
| 411 |
+
my $ctl = '';
|
| 412 |
+
|
| 413 |
+
$ctl .= pack "V", ZIP_CENTRAL_HDR_SIG ; # signature
|
| 414 |
+
$ctl .= pack 'v', $madeBy ; # version made by
|
| 415 |
+
$ctl .= pack 'v', $extract ; # extract Version
|
| 416 |
+
$ctl .= pack 'v', $gpFlag ; # general purpose flag (streaming mode)
|
| 417 |
+
$ctl .= pack 'v', $method ; # compression method (deflate)
|
| 418 |
+
$ctl .= pack 'V', $time ; # last mod date/time
|
| 419 |
+
$ctl .= pack 'V', 0 ; # crc32
|
| 420 |
+
$ctl .= pack 'V', $empty ; # compressed length
|
| 421 |
+
$ctl .= pack 'V', $empty ; # uncompressed length
|
| 422 |
+
$ctl .= pack 'v', length $filename ; # filename length
|
| 423 |
+
|
| 424 |
+
*$self->{ZipData}{ExtraOffset} = length $ctl;
|
| 425 |
+
*$self->{ZipData}{ExtraSize} = length $ctlExtra ;
|
| 426 |
+
|
| 427 |
+
$ctl .= pack 'v', length $ctlExtra ; # extra length
|
| 428 |
+
$ctl .= pack 'v', length $comment ; # file comment length
|
| 429 |
+
$ctl .= pack 'v', 0 ; # disk number start
|
| 430 |
+
$ctl .= pack 'v', $ifa ; # internal file attributes
|
| 431 |
+
$ctl .= pack 'V', $extFileAttr ; # external file attributes
|
| 432 |
+
|
| 433 |
+
# offset to local hdr
|
| 434 |
+
if (*$self->{ZipData}{LocalHdrOffset}->is64bit() ) {
|
| 435 |
+
$ctl .= pack 'V', IO::Compress::Base::Common::MAX32 ;
|
| 436 |
+
}
|
| 437 |
+
else {
|
| 438 |
+
$ctl .= *$self->{ZipData}{LocalHdrOffset}->getPacked_V32() ;
|
| 439 |
+
}
|
| 440 |
+
|
| 441 |
+
$ctl .= $filename ;
|
| 442 |
+
|
| 443 |
+
*$self->{ZipData}{Offset}->add32(length $hdr) ;
|
| 444 |
+
|
| 445 |
+
*$self->{ZipData}{CentralHeader} = [ $ctl, $ctlExtra, $comment];
|
| 446 |
+
|
| 447 |
+
return $hdr;
|
| 448 |
+
}
|
| 449 |
+
|
| 450 |
+
sub mkTrailer
|
| 451 |
+
{
|
| 452 |
+
my $self = shift ;
|
| 453 |
+
|
| 454 |
+
my $crc32 ;
|
| 455 |
+
if (*$self->{ZipData}{Method} == ZIP_CM_DEFLATE) {
|
| 456 |
+
$crc32 = pack "V", *$self->{Compress}->crc32();
|
| 457 |
+
}
|
| 458 |
+
else {
|
| 459 |
+
$crc32 = pack "V", *$self->{ZipData}{CRC32};
|
| 460 |
+
}
|
| 461 |
+
|
| 462 |
+
my ($ctl, $ctlExtra, $comment) = @{ *$self->{ZipData}{CentralHeader} };
|
| 463 |
+
|
| 464 |
+
my $sizes ;
|
| 465 |
+
if (! *$self->{ZipData}{Zip64}) {
|
| 466 |
+
$sizes .= *$self->{CompSize}->getPacked_V32() ; # Compressed size
|
| 467 |
+
$sizes .= *$self->{UnCompSize}->getPacked_V32() ; # Uncompressed size
|
| 468 |
+
}
|
| 469 |
+
else {
|
| 470 |
+
$sizes .= *$self->{CompSize}->getPacked_V64() ; # Compressed size
|
| 471 |
+
$sizes .= *$self->{UnCompSize}->getPacked_V64() ; # Uncompressed size
|
| 472 |
+
}
|
| 473 |
+
|
| 474 |
+
my $data = $crc32 . $sizes ;
|
| 475 |
+
|
| 476 |
+
my $xtrasize = *$self->{UnCompSize}->getPacked_V64() ; # Uncompressed size
|
| 477 |
+
$xtrasize .= *$self->{CompSize}->getPacked_V64() ; # Compressed size
|
| 478 |
+
|
| 479 |
+
my $hdr = '';
|
| 480 |
+
|
| 481 |
+
if (*$self->{ZipData}{Stream}) {
|
| 482 |
+
$hdr = pack "V", ZIP_DATA_HDR_SIG ; # signature
|
| 483 |
+
$hdr .= $data ;
|
| 484 |
+
}
|
| 485 |
+
else {
|
| 486 |
+
$self->writeAt(*$self->{ZipData}{LocalHdrOffset}->get64bit() + 14, $crc32)
|
| 487 |
+
or return undef;
|
| 488 |
+
$self->writeAt(*$self->{ZipData}{SizesOffset},
|
| 489 |
+
*$self->{ZipData}{Zip64} ? $xtrasize : $sizes)
|
| 490 |
+
or return undef;
|
| 491 |
+
}
|
| 492 |
+
|
| 493 |
+
# Central Header Record/Zip64 extended field
|
| 494 |
+
|
| 495 |
+
substr($ctl, 16, length $crc32) = $crc32 ;
|
| 496 |
+
|
| 497 |
+
my $zip64Payload = '';
|
| 498 |
+
|
| 499 |
+
# uncompressed length - only set zip64 if needed
|
| 500 |
+
if (*$self->{UnCompSize}->isAlmost64bit()) { # || *$self->{ZipData}{Zip64}) {
|
| 501 |
+
$zip64Payload .= *$self->{UnCompSize}->getPacked_V64() ;
|
| 502 |
+
} else {
|
| 503 |
+
substr($ctl, 24, 4) = *$self->{UnCompSize}->getPacked_V32() ;
|
| 504 |
+
}
|
| 505 |
+
|
| 506 |
+
# compressed length - only set zip64 if needed
|
| 507 |
+
if (*$self->{CompSize}->isAlmost64bit()) { # || *$self->{ZipData}{Zip64}) {
|
| 508 |
+
$zip64Payload .= *$self->{CompSize}->getPacked_V64() ;
|
| 509 |
+
} else {
|
| 510 |
+
substr($ctl, 20, 4) = *$self->{CompSize}->getPacked_V32() ;
|
| 511 |
+
}
|
| 512 |
+
|
| 513 |
+
# Local Header offset
|
| 514 |
+
$zip64Payload .= *$self->{ZipData}{LocalHdrOffset}->getPacked_V64()
|
| 515 |
+
if *$self->{ZipData}{LocalHdrOffset}->is64bit() ;
|
| 516 |
+
|
| 517 |
+
# disk no - always zero, so don't need to include it.
|
| 518 |
+
#$zip64Payload .= pack "V", 0 ;
|
| 519 |
+
|
| 520 |
+
my $zip64Xtra = '';
|
| 521 |
+
|
| 522 |
+
if (length $zip64Payload) {
|
| 523 |
+
$zip64Xtra = IO::Compress::Zlib::Extra::mkSubField(ZIP_EXTRA_ID_ZIP64, $zip64Payload);
|
| 524 |
+
|
| 525 |
+
substr($ctl, *$self->{ZipData}{ExtraOffset}, 2) =
|
| 526 |
+
pack 'v', *$self->{ZipData}{ExtraSize} + length $zip64Xtra;
|
| 527 |
+
|
| 528 |
+
*$self->{ZipData}{AnyZip64} = 1;
|
| 529 |
+
}
|
| 530 |
+
|
| 531 |
+
# Zip64 needs to be first in extra field to workaround a Windows Explorer Bug
|
| 532 |
+
# See http://www.info-zip.org/phpBB3/viewtopic.php?f=3&t=440 for details
|
| 533 |
+
$ctl .= $zip64Xtra . $ctlExtra . $comment;
|
| 534 |
+
|
| 535 |
+
*$self->{ZipData}{Offset}->add32(length($hdr));
|
| 536 |
+
*$self->{ZipData}{Offset}->add( *$self->{CompSize} );
|
| 537 |
+
push @{ *$self->{ZipData}{CentralDir} }, $ctl ;
|
| 538 |
+
|
| 539 |
+
return $hdr;
|
| 540 |
+
}
|
| 541 |
+
|
| 542 |
+
sub mkFinalTrailer
|
| 543 |
+
{
|
| 544 |
+
my $self = shift ;
|
| 545 |
+
|
| 546 |
+
my $comment = '';
|
| 547 |
+
$comment = *$self->{ZipData}{ZipComment} ;
|
| 548 |
+
|
| 549 |
+
my $cd_offset = *$self->{ZipData}{Offset}->get32bit() ; # offset to start central dir
|
| 550 |
+
|
| 551 |
+
my $entries = @{ *$self->{ZipData}{CentralDir} };
|
| 552 |
+
|
| 553 |
+
*$self->{ZipData}{AnyZip64} = 1
|
| 554 |
+
if *$self->{ZipData}{Offset}->is64bit || $entries >= 0xFFFF ;
|
| 555 |
+
|
| 556 |
+
my $cd = join '', @{ *$self->{ZipData}{CentralDir} };
|
| 557 |
+
my $cd_len = length $cd ;
|
| 558 |
+
|
| 559 |
+
my $z64e = '';
|
| 560 |
+
|
| 561 |
+
if ( *$self->{ZipData}{AnyZip64} ) {
|
| 562 |
+
|
| 563 |
+
my $v = *$self->{ZipData}{Version} ;
|
| 564 |
+
my $mb = *$self->{ZipData}{MadeBy} ;
|
| 565 |
+
$z64e .= pack 'v', $mb ; # Version made by
|
| 566 |
+
$z64e .= pack 'v', $v ; # Version to extract
|
| 567 |
+
$z64e .= pack 'V', 0 ; # number of disk
|
| 568 |
+
$z64e .= pack 'V', 0 ; # number of disk with central dir
|
| 569 |
+
$z64e .= U64::pack_V64 $entries ; # entries in central dir on this disk
|
| 570 |
+
$z64e .= U64::pack_V64 $entries ; # entries in central dir
|
| 571 |
+
$z64e .= U64::pack_V64 $cd_len ; # size of central dir
|
| 572 |
+
$z64e .= *$self->{ZipData}{Offset}->getPacked_V64() ; # offset to start central dir
|
| 573 |
+
$z64e .= *$self->{ZipData}{extrafieldzip64} # otional extra field
|
| 574 |
+
if defined *$self->{ZipData}{extrafieldzip64} ;
|
| 575 |
+
|
| 576 |
+
$z64e = pack("V", ZIP64_END_CENTRAL_REC_HDR_SIG) # signature
|
| 577 |
+
. U64::pack_V64(length $z64e)
|
| 578 |
+
. $z64e ;
|
| 579 |
+
|
| 580 |
+
*$self->{ZipData}{Offset}->add32(length $cd) ;
|
| 581 |
+
|
| 582 |
+
$z64e .= pack "V", ZIP64_END_CENTRAL_LOC_HDR_SIG; # signature
|
| 583 |
+
$z64e .= pack 'V', 0 ; # number of disk with central dir
|
| 584 |
+
$z64e .= *$self->{ZipData}{Offset}->getPacked_V64() ; # offset to end zip64 central dir
|
| 585 |
+
$z64e .= pack 'V', 1 ; # Total number of disks
|
| 586 |
+
|
| 587 |
+
$cd_offset = IO::Compress::Base::Common::MAX32 ;
|
| 588 |
+
$cd_len = IO::Compress::Base::Common::MAX32 if IO::Compress::Base::Common::isGeMax32 $cd_len ;
|
| 589 |
+
$entries = 0xFFFF if $entries >= 0xFFFF ;
|
| 590 |
+
}
|
| 591 |
+
|
| 592 |
+
my $ecd = '';
|
| 593 |
+
$ecd .= pack "V", ZIP_END_CENTRAL_HDR_SIG ; # signature
|
| 594 |
+
$ecd .= pack 'v', 0 ; # number of disk
|
| 595 |
+
$ecd .= pack 'v', 0 ; # number of disk with central dir
|
| 596 |
+
$ecd .= pack 'v', $entries ; # entries in central dir on this disk
|
| 597 |
+
$ecd .= pack 'v', $entries ; # entries in central dir
|
| 598 |
+
$ecd .= pack 'V', $cd_len ; # size of central dir
|
| 599 |
+
$ecd .= pack 'V', $cd_offset ; # offset to start central dir
|
| 600 |
+
$ecd .= pack 'v', length $comment ; # zipfile comment length
|
| 601 |
+
$ecd .= $comment;
|
| 602 |
+
|
| 603 |
+
return $cd . $z64e . $ecd ;
|
| 604 |
+
}
|
| 605 |
+
|
| 606 |
+
sub ckParams
|
| 607 |
+
{
|
| 608 |
+
my $self = shift ;
|
| 609 |
+
my $got = shift;
|
| 610 |
+
|
| 611 |
+
$got->setValue('crc32' => 1);
|
| 612 |
+
|
| 613 |
+
if (! $got->parsed('time') ) {
|
| 614 |
+
# Modification time defaults to now.
|
| 615 |
+
$got->setValue('time' => time) ;
|
| 616 |
+
}
|
| 617 |
+
|
| 618 |
+
if ($got->parsed('extime') ) {
|
| 619 |
+
my $timeRef = $got->getValue('extime');
|
| 620 |
+
if ( defined $timeRef) {
|
| 621 |
+
return $self->saveErrorString(undef, "exTime not a 3-element array ref")
|
| 622 |
+
if ref $timeRef ne 'ARRAY' || @$timeRef != 3;
|
| 623 |
+
}
|
| 624 |
+
|
| 625 |
+
$got->setValue("mtime", $timeRef->[1]);
|
| 626 |
+
$got->setValue("atime", $timeRef->[0]);
|
| 627 |
+
$got->setValue("ctime", $timeRef->[2]);
|
| 628 |
+
}
|
| 629 |
+
|
| 630 |
+
# Unix2/3 Extended Attribute
|
| 631 |
+
for my $name (qw(exunix2 exunixn))
|
| 632 |
+
{
|
| 633 |
+
if ($got->parsed($name) ) {
|
| 634 |
+
my $idRef = $got->getValue($name);
|
| 635 |
+
if ( defined $idRef) {
|
| 636 |
+
return $self->saveErrorString(undef, "$name not a 2-element array ref")
|
| 637 |
+
if ref $idRef ne 'ARRAY' || @$idRef != 2;
|
| 638 |
+
}
|
| 639 |
+
|
| 640 |
+
$got->setValue("uid", $idRef->[0]);
|
| 641 |
+
$got->setValue("gid", $idRef->[1]);
|
| 642 |
+
$got->setValue("want_$name", $idRef);
|
| 643 |
+
}
|
| 644 |
+
}
|
| 645 |
+
|
| 646 |
+
*$self->{ZipData}{AnyZip64} = 1
|
| 647 |
+
if $got->getValue('zip64') || $got->getValue('extrafieldzip64') ;
|
| 648 |
+
*$self->{ZipData}{Zip64} = $got->getValue('zip64');
|
| 649 |
+
*$self->{ZipData}{Stream} = $got->getValue('stream');
|
| 650 |
+
|
| 651 |
+
my $method = $got->getValue('method');
|
| 652 |
+
return $self->saveErrorString(undef, "Unknown Method '$method'")
|
| 653 |
+
if ! defined $ZIP_CM_MIN_VERSIONS{$method};
|
| 654 |
+
|
| 655 |
+
return $self->saveErrorString(undef, "Bzip2 not available")
|
| 656 |
+
if $method == ZIP_CM_BZIP2 and
|
| 657 |
+
! defined $IO::Compress::Adapter::Bzip2::VERSION;
|
| 658 |
+
|
| 659 |
+
return $self->saveErrorString(undef, "Lzma not available")
|
| 660 |
+
if $method == ZIP_CM_LZMA
|
| 661 |
+
and ! defined $IO::Compress::Adapter::Lzma::VERSION;
|
| 662 |
+
|
| 663 |
+
*$self->{ZipData}{Method} = $method;
|
| 664 |
+
|
| 665 |
+
*$self->{ZipData}{ZipComment} = $got->getValue('zipcomment') ;
|
| 666 |
+
|
| 667 |
+
for my $name (qw( extrafieldlocal extrafieldcentral extrafieldzip64))
|
| 668 |
+
{
|
| 669 |
+
my $data = $got->getValue($name) ;
|
| 670 |
+
if (defined $data) {
|
| 671 |
+
my $bad = IO::Compress::Zlib::Extra::parseExtraField($data, 1, 0) ;
|
| 672 |
+
return $self->saveErrorString(undef, "Error with $name Parameter: $bad")
|
| 673 |
+
if $bad ;
|
| 674 |
+
|
| 675 |
+
$got->setValue($name, $data) ;
|
| 676 |
+
*$self->{ZipData}{$name} = $data;
|
| 677 |
+
}
|
| 678 |
+
}
|
| 679 |
+
|
| 680 |
+
return undef
|
| 681 |
+
if defined $IO::Compress::Bzip2::VERSION
|
| 682 |
+
and ! IO::Compress::Bzip2::ckParams($self, $got);
|
| 683 |
+
|
| 684 |
+
if ($got->parsed('sparse') ) {
|
| 685 |
+
*$self->{ZipData}{Sparse} = $got->getValue('sparse') ;
|
| 686 |
+
*$self->{ZipData}{Method} = ZIP_CM_STORE;
|
| 687 |
+
}
|
| 688 |
+
|
| 689 |
+
if ($got->parsed('filtername')) {
|
| 690 |
+
my $v = $got->getValue('filtername') ;
|
| 691 |
+
*$self->{ZipData}{FilterName} = $v
|
| 692 |
+
if ref $v eq 'CODE' ;
|
| 693 |
+
}
|
| 694 |
+
|
| 695 |
+
return 1 ;
|
| 696 |
+
}
|
| 697 |
+
|
| 698 |
+
sub outputPayload
|
| 699 |
+
{
|
| 700 |
+
my $self = shift ;
|
| 701 |
+
return 1 if *$self->{ZipData}{Sparse} ;
|
| 702 |
+
return $self->output(@_);
|
| 703 |
+
}
|
| 704 |
+
|
| 705 |
+
|
| 706 |
+
#sub newHeader
|
| 707 |
+
#{
|
| 708 |
+
# my $self = shift ;
|
| 709 |
+
#
|
| 710 |
+
# return $self->mkHeader(*$self->{Got});
|
| 711 |
+
#}
|
| 712 |
+
|
| 713 |
+
|
| 714 |
+
our %PARAMS = (
|
| 715 |
+
'stream' => [IO::Compress::Base::Common::Parse_boolean, 1],
|
| 716 |
+
#'store' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 717 |
+
'method' => [IO::Compress::Base::Common::Parse_unsigned, ZIP_CM_DEFLATE],
|
| 718 |
+
|
| 719 |
+
# # Zip header fields
|
| 720 |
+
'minimal' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 721 |
+
'zip64' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 722 |
+
'comment' => [IO::Compress::Base::Common::Parse_any, ''],
|
| 723 |
+
'zipcomment'=> [IO::Compress::Base::Common::Parse_any, ''],
|
| 724 |
+
'name' => [IO::Compress::Base::Common::Parse_any, ''],
|
| 725 |
+
'filtername'=> [IO::Compress::Base::Common::Parse_code, undef],
|
| 726 |
+
'canonicalname'=> [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 727 |
+
'efs' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 728 |
+
'time' => [IO::Compress::Base::Common::Parse_any, undef],
|
| 729 |
+
'extime' => [IO::Compress::Base::Common::Parse_any, undef],
|
| 730 |
+
'exunix2' => [IO::Compress::Base::Common::Parse_any, undef],
|
| 731 |
+
'exunixn' => [IO::Compress::Base::Common::Parse_any, undef],
|
| 732 |
+
'extattr' => [IO::Compress::Base::Common::Parse_any,
|
| 733 |
+
$Compress::Raw::Zlib::gzip_os_code == 3
|
| 734 |
+
? 0100644 << 16
|
| 735 |
+
: 0],
|
| 736 |
+
'os_code' => [IO::Compress::Base::Common::Parse_unsigned, $Compress::Raw::Zlib::gzip_os_code],
|
| 737 |
+
|
| 738 |
+
'textflag' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 739 |
+
'extrafieldlocal' => [IO::Compress::Base::Common::Parse_any, undef],
|
| 740 |
+
'extrafieldcentral'=> [IO::Compress::Base::Common::Parse_any, undef],
|
| 741 |
+
'extrafieldzip64' => [IO::Compress::Base::Common::Parse_any, undef],
|
| 742 |
+
|
| 743 |
+
# Lzma
|
| 744 |
+
'preset' => [IO::Compress::Base::Common::Parse_unsigned, 6],
|
| 745 |
+
'extreme' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 746 |
+
|
| 747 |
+
# For internal use only
|
| 748 |
+
'sparse' => [IO::Compress::Base::Common::Parse_unsigned, 0],
|
| 749 |
+
|
| 750 |
+
IO::Compress::RawDeflate::getZlibParams(),
|
| 751 |
+
defined $IO::Compress::Bzip2::VERSION
|
| 752 |
+
? IO::Compress::Bzip2::getExtraParams()
|
| 753 |
+
: ()
|
| 754 |
+
|
| 755 |
+
|
| 756 |
+
);
|
| 757 |
+
|
| 758 |
+
sub getExtraParams
|
| 759 |
+
{
|
| 760 |
+
return %PARAMS ;
|
| 761 |
+
}
|
| 762 |
+
|
| 763 |
+
sub getInverseClass
|
| 764 |
+
{
|
| 765 |
+
no warnings 'once';
|
| 766 |
+
return ('IO::Uncompress::Unzip',
|
| 767 |
+
\$IO::Uncompress::Unzip::UnzipError);
|
| 768 |
+
}
|
| 769 |
+
|
| 770 |
+
sub getFileInfo
|
| 771 |
+
{
|
| 772 |
+
my $self = shift ;
|
| 773 |
+
my $params = shift;
|
| 774 |
+
my $filename = shift ;
|
| 775 |
+
|
| 776 |
+
if (IO::Compress::Base::Common::isaScalar($filename))
|
| 777 |
+
{
|
| 778 |
+
$params->setValue(zip64 => 1)
|
| 779 |
+
if IO::Compress::Base::Common::isGeMax32 length (${ $filename }) ;
|
| 780 |
+
|
| 781 |
+
return ;
|
| 782 |
+
}
|
| 783 |
+
|
| 784 |
+
my ($mode, $uid, $gid, $size, $atime, $mtime, $ctime) ;
|
| 785 |
+
if ( $params->parsed('storelinks') )
|
| 786 |
+
{
|
| 787 |
+
($mode, $uid, $gid, $size, $atime, $mtime, $ctime)
|
| 788 |
+
= (lstat($filename))[2, 4,5,7, 8,9,10] ;
|
| 789 |
+
}
|
| 790 |
+
else
|
| 791 |
+
{
|
| 792 |
+
($mode, $uid, $gid, $size, $atime, $mtime, $ctime)
|
| 793 |
+
= (stat($filename))[2, 4,5,7, 8,9,10] ;
|
| 794 |
+
}
|
| 795 |
+
|
| 796 |
+
$params->setValue(textflag => -T $filename )
|
| 797 |
+
if ! $params->parsed('textflag');
|
| 798 |
+
|
| 799 |
+
$params->setValue(zip64 => 1)
|
| 800 |
+
if IO::Compress::Base::Common::isGeMax32 $size ;
|
| 801 |
+
|
| 802 |
+
$params->setValue('name' => $filename)
|
| 803 |
+
if ! $params->parsed('name') ;
|
| 804 |
+
|
| 805 |
+
$params->setValue('time' => $mtime)
|
| 806 |
+
if ! $params->parsed('time') ;
|
| 807 |
+
|
| 808 |
+
if ( ! $params->parsed('extime'))
|
| 809 |
+
{
|
| 810 |
+
$params->setValue('mtime' => $mtime) ;
|
| 811 |
+
$params->setValue('atime' => $atime) ;
|
| 812 |
+
$params->setValue('ctime' => undef) ; # No Creation time
|
| 813 |
+
# TODO - see if can fillout creation time on non-Unix
|
| 814 |
+
}
|
| 815 |
+
|
| 816 |
+
# NOTE - Unix specific code alert
|
| 817 |
+
if (! $params->parsed('extattr'))
|
| 818 |
+
{
|
| 819 |
+
use Fcntl qw(:mode) ;
|
| 820 |
+
my $attr = $mode << 16;
|
| 821 |
+
$attr |= ZIP_A_RONLY if ($mode & S_IWRITE) == 0 ;
|
| 822 |
+
$attr |= ZIP_A_DIR if ($mode & S_IFMT ) == S_IFDIR ;
|
| 823 |
+
|
| 824 |
+
$params->setValue('extattr' => $attr);
|
| 825 |
+
}
|
| 826 |
+
|
| 827 |
+
$params->setValue('want_exunixn', [$uid, $gid]);
|
| 828 |
+
$params->setValue('uid' => $uid) ;
|
| 829 |
+
$params->setValue('gid' => $gid) ;
|
| 830 |
+
|
| 831 |
+
}
|
| 832 |
+
|
| 833 |
+
sub mkExtendedTime
|
| 834 |
+
{
|
| 835 |
+
# order expected is m, a, c
|
| 836 |
+
|
| 837 |
+
my $times = '';
|
| 838 |
+
my $bit = 1 ;
|
| 839 |
+
my $flags = 0;
|
| 840 |
+
|
| 841 |
+
for my $time (@_)
|
| 842 |
+
{
|
| 843 |
+
if (defined $time)
|
| 844 |
+
{
|
| 845 |
+
$flags |= $bit;
|
| 846 |
+
$times .= pack("V", $time);
|
| 847 |
+
}
|
| 848 |
+
|
| 849 |
+
$bit <<= 1 ;
|
| 850 |
+
}
|
| 851 |
+
|
| 852 |
+
return IO::Compress::Zlib::Extra::mkSubField(ZIP_EXTRA_ID_EXT_TIMESTAMP,
|
| 853 |
+
pack("C", $flags) . $times);
|
| 854 |
+
}
|
| 855 |
+
|
| 856 |
+
sub mkUnix2Extra
|
| 857 |
+
{
|
| 858 |
+
my $ids = '';
|
| 859 |
+
for my $id (@_)
|
| 860 |
+
{
|
| 861 |
+
$ids .= pack("v", $id);
|
| 862 |
+
}
|
| 863 |
+
|
| 864 |
+
return IO::Compress::Zlib::Extra::mkSubField(ZIP_EXTRA_ID_INFO_ZIP_UNIX2,
|
| 865 |
+
$ids);
|
| 866 |
+
}
|
| 867 |
+
|
| 868 |
+
sub mkUnixNExtra
|
| 869 |
+
{
|
| 870 |
+
my $uid = shift;
|
| 871 |
+
my $gid = shift;
|
| 872 |
+
|
| 873 |
+
# Assumes UID/GID are 32-bit
|
| 874 |
+
my $ids ;
|
| 875 |
+
$ids .= pack "C", 1; # version
|
| 876 |
+
$ids .= pack "C", $Config{uidsize};
|
| 877 |
+
$ids .= pack "V", $uid;
|
| 878 |
+
$ids .= pack "C", $Config{gidsize};
|
| 879 |
+
$ids .= pack "V", $gid;
|
| 880 |
+
|
| 881 |
+
return IO::Compress::Zlib::Extra::mkSubField(ZIP_EXTRA_ID_INFO_ZIP_UNIXN,
|
| 882 |
+
$ids);
|
| 883 |
+
}
|
| 884 |
+
|
| 885 |
+
|
| 886 |
+
# from Archive::Zip
|
| 887 |
+
sub _unixToDosTime # Archive::Zip::Member
|
| 888 |
+
{
|
| 889 |
+
my $time_t = shift;
|
| 890 |
+
|
| 891 |
+
# TODO - add something to cope with unix time < 1980
|
| 892 |
+
my ( $sec, $min, $hour, $mday, $mon, $year ) = localtime($time_t);
|
| 893 |
+
my $dt = 0;
|
| 894 |
+
$dt += ( $sec >> 1 );
|
| 895 |
+
$dt += ( $min << 5 );
|
| 896 |
+
$dt += ( $hour << 11 );
|
| 897 |
+
$dt += ( $mday << 16 );
|
| 898 |
+
$dt += ( ( $mon + 1 ) << 21 );
|
| 899 |
+
$dt += ( ( $year - 80 ) << 25 );
|
| 900 |
+
return $dt;
|
| 901 |
+
}
|
| 902 |
+
|
| 903 |
+
1;
|
| 904 |
+
|
| 905 |
+
__END__
|
| 906 |
+
|
| 907 |
+
=head1 NAME
|
| 908 |
+
|
| 909 |
+
IO::Compress::Zip - Write zip files/buffers
|
| 910 |
+
|
| 911 |
+
=head1 SYNOPSIS
|
| 912 |
+
|
| 913 |
+
use IO::Compress::Zip qw(zip $ZipError) ;
|
| 914 |
+
|
| 915 |
+
my $status = zip $input => $output [,OPTS]
|
| 916 |
+
or die "zip failed: $ZipError\n";
|
| 917 |
+
|
| 918 |
+
my $z = IO::Compress::Zip->new( $output [,OPTS] )
|
| 919 |
+
or die "zip failed: $ZipError\n";
|
| 920 |
+
|
| 921 |
+
$z->print($string);
|
| 922 |
+
$z->printf($format, $string);
|
| 923 |
+
$z->write($string);
|
| 924 |
+
$z->syswrite($string [, $length, $offset]);
|
| 925 |
+
$z->flush();
|
| 926 |
+
$z->tell();
|
| 927 |
+
$z->eof();
|
| 928 |
+
$z->seek($position, $whence);
|
| 929 |
+
$z->binmode();
|
| 930 |
+
$z->fileno();
|
| 931 |
+
$z->opened();
|
| 932 |
+
$z->autoflush();
|
| 933 |
+
$z->input_line_number();
|
| 934 |
+
$z->newStream( [OPTS] );
|
| 935 |
+
|
| 936 |
+
$z->deflateParams();
|
| 937 |
+
|
| 938 |
+
$z->close() ;
|
| 939 |
+
|
| 940 |
+
$ZipError ;
|
| 941 |
+
|
| 942 |
+
# IO::File mode
|
| 943 |
+
|
| 944 |
+
print $z $string;
|
| 945 |
+
printf $z $format, $string;
|
| 946 |
+
tell $z
|
| 947 |
+
eof $z
|
| 948 |
+
seek $z, $position, $whence
|
| 949 |
+
binmode $z
|
| 950 |
+
fileno $z
|
| 951 |
+
close $z ;
|
| 952 |
+
|
| 953 |
+
=head1 DESCRIPTION
|
| 954 |
+
|
| 955 |
+
This module provides a Perl interface that allows writing zip
|
| 956 |
+
compressed data to files or buffer.
|
| 957 |
+
|
| 958 |
+
The primary purpose of this module is to provide streaming write access to
|
| 959 |
+
zip files and buffers.
|
| 960 |
+
|
| 961 |
+
At present the following compression methods are supported by IO::Compress::Zip
|
| 962 |
+
|
| 963 |
+
=over 5
|
| 964 |
+
|
| 965 |
+
=item Store (0)
|
| 966 |
+
|
| 967 |
+
=item Deflate (8)
|
| 968 |
+
|
| 969 |
+
=item Bzip2 (12)
|
| 970 |
+
|
| 971 |
+
To write Bzip2 content, the module C<IO::Uncompress::Bunzip2> must
|
| 972 |
+
be installed.
|
| 973 |
+
|
| 974 |
+
=item Lzma (14)
|
| 975 |
+
|
| 976 |
+
To write LZMA content, the module C<IO::Uncompress::UnLzma> must
|
| 977 |
+
be installed.
|
| 978 |
+
|
| 979 |
+
=item Zstandard (93)
|
| 980 |
+
|
| 981 |
+
To write Zstandard content, the module C<IO::Compress::Zstd> must
|
| 982 |
+
be installed.
|
| 983 |
+
|
| 984 |
+
=item Xz (95)
|
| 985 |
+
|
| 986 |
+
To write Xz content, the module C<IO::Uncompress::UnXz> must
|
| 987 |
+
be installed.
|
| 988 |
+
|
| 989 |
+
=back
|
| 990 |
+
|
| 991 |
+
For reading zip files/buffers, see the companion module
|
| 992 |
+
L<IO::Uncompress::Unzip|IO::Uncompress::Unzip>.
|
| 993 |
+
|
| 994 |
+
=head1 Functional Interface
|
| 995 |
+
|
| 996 |
+
A top-level function, C<zip>, is provided to carry out
|
| 997 |
+
"one-shot" compression between buffers and/or files. For finer
|
| 998 |
+
control over the compression process, see the L</"OO Interface">
|
| 999 |
+
section.
|
| 1000 |
+
|
| 1001 |
+
use IO::Compress::Zip qw(zip $ZipError) ;
|
| 1002 |
+
|
| 1003 |
+
zip $input_filename_or_reference => $output_filename_or_reference [,OPTS]
|
| 1004 |
+
or die "zip failed: $ZipError\n";
|
| 1005 |
+
|
| 1006 |
+
The functional interface needs Perl5.005 or better.
|
| 1007 |
+
|
| 1008 |
+
=head2 zip $input_filename_or_reference => $output_filename_or_reference [, OPTS]
|
| 1009 |
+
|
| 1010 |
+
C<zip> expects at least two parameters,
|
| 1011 |
+
C<$input_filename_or_reference> and C<$output_filename_or_reference>
|
| 1012 |
+
and zero or more optional parameters (see L</Optional Parameters>)
|
| 1013 |
+
|
| 1014 |
+
=head3 The C<$input_filename_or_reference> parameter
|
| 1015 |
+
|
| 1016 |
+
The parameter, C<$input_filename_or_reference>, is used to define the
|
| 1017 |
+
source of the uncompressed data.
|
| 1018 |
+
|
| 1019 |
+
It can take one of the following forms:
|
| 1020 |
+
|
| 1021 |
+
=over 5
|
| 1022 |
+
|
| 1023 |
+
=item A filename
|
| 1024 |
+
|
| 1025 |
+
If the C<$input_filename_or_reference> parameter is a simple scalar, it is
|
| 1026 |
+
assumed to be a filename. This file will be opened for reading and the
|
| 1027 |
+
input data will be read from it.
|
| 1028 |
+
|
| 1029 |
+
=item A filehandle
|
| 1030 |
+
|
| 1031 |
+
If the C<$input_filename_or_reference> parameter is a filehandle, the input
|
| 1032 |
+
data will be read from it. The string '-' can be used as an alias for
|
| 1033 |
+
standard input.
|
| 1034 |
+
|
| 1035 |
+
=item A scalar reference
|
| 1036 |
+
|
| 1037 |
+
If C<$input_filename_or_reference> is a scalar reference, the input data
|
| 1038 |
+
will be read from C<$$input_filename_or_reference>.
|
| 1039 |
+
|
| 1040 |
+
=item An array reference
|
| 1041 |
+
|
| 1042 |
+
If C<$input_filename_or_reference> is an array reference, each element in
|
| 1043 |
+
the array must be a filename.
|
| 1044 |
+
|
| 1045 |
+
The input data will be read from each file in turn.
|
| 1046 |
+
|
| 1047 |
+
The complete array will be walked to ensure that it only
|
| 1048 |
+
contains valid filenames before any data is compressed.
|
| 1049 |
+
|
| 1050 |
+
=item An Input FileGlob string
|
| 1051 |
+
|
| 1052 |
+
If C<$input_filename_or_reference> is a string that is delimited by the
|
| 1053 |
+
characters "<" and ">" C<zip> will assume that it is an
|
| 1054 |
+
I<input fileglob string>. The input is the list of files that match the
|
| 1055 |
+
fileglob.
|
| 1056 |
+
|
| 1057 |
+
See L<File::GlobMapper|File::GlobMapper> for more details.
|
| 1058 |
+
|
| 1059 |
+
=back
|
| 1060 |
+
|
| 1061 |
+
If the C<$input_filename_or_reference> parameter is any other type,
|
| 1062 |
+
C<undef> will be returned.
|
| 1063 |
+
|
| 1064 |
+
In addition, if C<$input_filename_or_reference> corresponds to a filename
|
| 1065 |
+
from the filesystem, a number of zip file header fields will be populated by default
|
| 1066 |
+
using the following attributes from the input file
|
| 1067 |
+
|
| 1068 |
+
=over 5
|
| 1069 |
+
|
| 1070 |
+
=item * the full filename contained in C<$input_filename_or_reference>
|
| 1071 |
+
|
| 1072 |
+
=item * the file protection attributes
|
| 1073 |
+
|
| 1074 |
+
=item * the UID/GID for the file
|
| 1075 |
+
|
| 1076 |
+
=item * the file timestamps
|
| 1077 |
+
|
| 1078 |
+
=back
|
| 1079 |
+
|
| 1080 |
+
If you do not want to use these defaults they can be overridden by
|
| 1081 |
+
explicitly setting one, or more, of the C<Name>, C<Time>, C<TextFlag>, C<ExtAttr>, C<exUnixN> and C<exTime> options or by setting the
|
| 1082 |
+
C<Minimal> parameter.
|
| 1083 |
+
|
| 1084 |
+
=head3 The C<$output_filename_or_reference> parameter
|
| 1085 |
+
|
| 1086 |
+
The parameter C<$output_filename_or_reference> is used to control the
|
| 1087 |
+
destination of the compressed data. This parameter can take one of
|
| 1088 |
+
these forms.
|
| 1089 |
+
|
| 1090 |
+
=over 5
|
| 1091 |
+
|
| 1092 |
+
=item A filename
|
| 1093 |
+
|
| 1094 |
+
If the C<$output_filename_or_reference> parameter is a simple scalar, it is
|
| 1095 |
+
assumed to be a filename. This file will be opened for writing and the
|
| 1096 |
+
compressed data will be written to it.
|
| 1097 |
+
|
| 1098 |
+
=item A filehandle
|
| 1099 |
+
|
| 1100 |
+
If the C<$output_filename_or_reference> parameter is a filehandle, the
|
| 1101 |
+
compressed data will be written to it. The string '-' can be used as
|
| 1102 |
+
an alias for standard output.
|
| 1103 |
+
|
| 1104 |
+
=item A scalar reference
|
| 1105 |
+
|
| 1106 |
+
If C<$output_filename_or_reference> is a scalar reference, the
|
| 1107 |
+
compressed data will be stored in C<$$output_filename_or_reference>.
|
| 1108 |
+
|
| 1109 |
+
=item An Array Reference
|
| 1110 |
+
|
| 1111 |
+
If C<$output_filename_or_reference> is an array reference,
|
| 1112 |
+
the compressed data will be pushed onto the array.
|
| 1113 |
+
|
| 1114 |
+
=item An Output FileGlob
|
| 1115 |
+
|
| 1116 |
+
If C<$output_filename_or_reference> is a string that is delimited by the
|
| 1117 |
+
characters "<" and ">" C<zip> will assume that it is an
|
| 1118 |
+
I<output fileglob string>. The output is the list of files that match the
|
| 1119 |
+
fileglob.
|
| 1120 |
+
|
| 1121 |
+
When C<$output_filename_or_reference> is an fileglob string,
|
| 1122 |
+
C<$input_filename_or_reference> must also be a fileglob string. Anything
|
| 1123 |
+
else is an error.
|
| 1124 |
+
|
| 1125 |
+
See L<File::GlobMapper|File::GlobMapper> for more details.
|
| 1126 |
+
|
| 1127 |
+
=back
|
| 1128 |
+
|
| 1129 |
+
If the C<$output_filename_or_reference> parameter is any other type,
|
| 1130 |
+
C<undef> will be returned.
|
| 1131 |
+
|
| 1132 |
+
=head2 Notes
|
| 1133 |
+
|
| 1134 |
+
When C<$input_filename_or_reference> maps to multiple files/buffers and
|
| 1135 |
+
C<$output_filename_or_reference> is a single
|
| 1136 |
+
file/buffer the input files/buffers will each be stored
|
| 1137 |
+
in C<$output_filename_or_reference> as a distinct entry.
|
| 1138 |
+
|
| 1139 |
+
=head2 Optional Parameters
|
| 1140 |
+
|
| 1141 |
+
The optional parameters for the one-shot function C<zip>
|
| 1142 |
+
are (for the most part) identical to those used with the OO interface defined in the
|
| 1143 |
+
L</"Constructor Options"> section. The exceptions are listed below
|
| 1144 |
+
|
| 1145 |
+
=over 5
|
| 1146 |
+
|
| 1147 |
+
=item C<< AutoClose => 0|1 >>
|
| 1148 |
+
|
| 1149 |
+
This option applies to any input or output data streams to
|
| 1150 |
+
C<zip> that are filehandles.
|
| 1151 |
+
|
| 1152 |
+
If C<AutoClose> is specified, and the value is true, it will result in all
|
| 1153 |
+
input and/or output filehandles being closed once C<zip> has
|
| 1154 |
+
completed.
|
| 1155 |
+
|
| 1156 |
+
This parameter defaults to 0.
|
| 1157 |
+
|
| 1158 |
+
=item C<< BinModeIn => 0|1 >>
|
| 1159 |
+
|
| 1160 |
+
This option is now a no-op. All files will be read in binmode.
|
| 1161 |
+
|
| 1162 |
+
=item C<< Append => 0|1 >>
|
| 1163 |
+
|
| 1164 |
+
The behaviour of this option is dependent on the type of output data
|
| 1165 |
+
stream.
|
| 1166 |
+
|
| 1167 |
+
=over 5
|
| 1168 |
+
|
| 1169 |
+
=item * A Buffer
|
| 1170 |
+
|
| 1171 |
+
If C<Append> is enabled, all compressed data will be append to the end of
|
| 1172 |
+
the output buffer. Otherwise the output buffer will be cleared before any
|
| 1173 |
+
compressed data is written to it.
|
| 1174 |
+
|
| 1175 |
+
=item * A Filename
|
| 1176 |
+
|
| 1177 |
+
If C<Append> is enabled, the file will be opened in append mode. Otherwise
|
| 1178 |
+
the contents of the file, if any, will be truncated before any compressed
|
| 1179 |
+
data is written to it.
|
| 1180 |
+
|
| 1181 |
+
=item * A Filehandle
|
| 1182 |
+
|
| 1183 |
+
If C<Append> is enabled, the filehandle will be positioned to the end of
|
| 1184 |
+
the file via a call to C<seek> before any compressed data is
|
| 1185 |
+
written to it. Otherwise the file pointer will not be moved.
|
| 1186 |
+
|
| 1187 |
+
=back
|
| 1188 |
+
|
| 1189 |
+
When C<Append> is specified, and set to true, it will I<append> all compressed
|
| 1190 |
+
data to the output data stream.
|
| 1191 |
+
|
| 1192 |
+
So when the output is a filehandle it will carry out a seek to the eof
|
| 1193 |
+
before writing any compressed data. If the output is a filename, it will be opened for
|
| 1194 |
+
appending. If the output is a buffer, all compressed data will be
|
| 1195 |
+
appended to the existing buffer.
|
| 1196 |
+
|
| 1197 |
+
Conversely when C<Append> is not specified, or it is present and is set to
|
| 1198 |
+
false, it will operate as follows.
|
| 1199 |
+
|
| 1200 |
+
When the output is a filename, it will truncate the contents of the file
|
| 1201 |
+
before writing any compressed data. If the output is a filehandle
|
| 1202 |
+
its position will not be changed. If the output is a buffer, it will be
|
| 1203 |
+
wiped before any compressed data is output.
|
| 1204 |
+
|
| 1205 |
+
Defaults to 0.
|
| 1206 |
+
|
| 1207 |
+
=back
|
| 1208 |
+
|
| 1209 |
+
=head2 Oneshot Examples
|
| 1210 |
+
|
| 1211 |
+
Here are a few example that show the capabilities of the module.
|
| 1212 |
+
|
| 1213 |
+
=head3 Streaming
|
| 1214 |
+
|
| 1215 |
+
This very simple command line example demonstrates the streaming capabilities of the module.
|
| 1216 |
+
The code reads data from STDIN, compresses it, and writes the compressed data to STDOUT.
|
| 1217 |
+
|
| 1218 |
+
$ echo hello world | perl -MIO::Compress::Zip=zip -e 'zip \*STDIN => \*STDOUT' >output.zip
|
| 1219 |
+
|
| 1220 |
+
The special filename "-" can be used as a standin for both C<\*STDIN> and C<\*STDOUT>,
|
| 1221 |
+
so the above can be rewritten as
|
| 1222 |
+
|
| 1223 |
+
$ echo hello world | perl -MIO::Compress::Zip=zip -e 'zip "-" => "-"' >output.zip
|
| 1224 |
+
|
| 1225 |
+
One problem with creating a zip archive directly from STDIN can be demonstrated by looking at
|
| 1226 |
+
the contents of the zip file, output.zip, that we have just created.
|
| 1227 |
+
|
| 1228 |
+
$ unzip -l output.zip
|
| 1229 |
+
Archive: output.zip
|
| 1230 |
+
Length Date Time Name
|
| 1231 |
+
--------- ---------- ----- ----
|
| 1232 |
+
12 2019-08-16 22:21
|
| 1233 |
+
--------- -------
|
| 1234 |
+
12 1 file
|
| 1235 |
+
|
| 1236 |
+
The archive member (filename) used is the empty string.
|
| 1237 |
+
|
| 1238 |
+
If that doesn't suit your needs, you can explicitly set the filename used
|
| 1239 |
+
in the zip archive by specifying the L<Name|"File Naming Options"> option, like so
|
| 1240 |
+
|
| 1241 |
+
echo hello world | perl -MIO::Compress::Zip=zip -e 'zip "-" => "-", Name => "hello.txt"' >output.zip
|
| 1242 |
+
|
| 1243 |
+
Now the contents of the zip file looks like this
|
| 1244 |
+
|
| 1245 |
+
$ unzip -l output.zip
|
| 1246 |
+
Archive: output.zip
|
| 1247 |
+
Length Date Time Name
|
| 1248 |
+
--------- ---------- ----- ----
|
| 1249 |
+
12 2019-08-16 22:22 hello.txt
|
| 1250 |
+
--------- -------
|
| 1251 |
+
12 1 file
|
| 1252 |
+
|
| 1253 |
+
=head3 Compressing a file from the filesystem
|
| 1254 |
+
|
| 1255 |
+
To read the contents of the file C<file1.txt> and write the compressed
|
| 1256 |
+
data to the file C<file1.txt.zip>.
|
| 1257 |
+
|
| 1258 |
+
use strict ;
|
| 1259 |
+
use warnings ;
|
| 1260 |
+
use IO::Compress::Zip qw(zip $ZipError) ;
|
| 1261 |
+
|
| 1262 |
+
my $input = "file1.txt";
|
| 1263 |
+
zip $input => "$input.zip"
|
| 1264 |
+
or die "zip failed: $ZipError\n";
|
| 1265 |
+
|
| 1266 |
+
=head3 Reading from a Filehandle and writing to an in-memory buffer
|
| 1267 |
+
|
| 1268 |
+
To read from an existing Perl filehandle, C<$input>, and write the
|
| 1269 |
+
compressed data to a buffer, C<$buffer>.
|
| 1270 |
+
|
| 1271 |
+
use strict ;
|
| 1272 |
+
use warnings ;
|
| 1273 |
+
use IO::Compress::Zip qw(zip $ZipError) ;
|
| 1274 |
+
use IO::File ;
|
| 1275 |
+
|
| 1276 |
+
my $input = IO::File->new( "<file1.txt" )
|
| 1277 |
+
or die "Cannot open 'file1.txt': $!\n" ;
|
| 1278 |
+
my $buffer ;
|
| 1279 |
+
zip $input => \$buffer
|
| 1280 |
+
or die "zip failed: $ZipError\n";
|
| 1281 |
+
|
| 1282 |
+
=head3 Compressing multiple files
|
| 1283 |
+
|
| 1284 |
+
To create a zip file, C<output.zip>, that contains the compressed contents
|
| 1285 |
+
of the files C<alpha.txt> and C<beta.txt>
|
| 1286 |
+
|
| 1287 |
+
use strict ;
|
| 1288 |
+
use warnings ;
|
| 1289 |
+
use IO::Compress::Zip qw(zip $ZipError) ;
|
| 1290 |
+
|
| 1291 |
+
zip [ 'alpha.txt', 'beta.txt' ] => 'output.zip'
|
| 1292 |
+
or die "zip failed: $ZipError\n";
|
| 1293 |
+
|
| 1294 |
+
Alternatively, rather than having to explicitly name each of the files that
|
| 1295 |
+
you want to compress, you could use a fileglob to select all the C<txt>
|
| 1296 |
+
files in the current directory, as follows
|
| 1297 |
+
|
| 1298 |
+
use strict ;
|
| 1299 |
+
use warnings ;
|
| 1300 |
+
use IO::Compress::Zip qw(zip $ZipError) ;
|
| 1301 |
+
|
| 1302 |
+
my @files = <*.txt>;
|
| 1303 |
+
zip \@files => 'output.zip'
|
| 1304 |
+
or die "zip failed: $ZipError\n";
|
| 1305 |
+
|
| 1306 |
+
or more succinctly
|
| 1307 |
+
|
| 1308 |
+
zip [ <*.txt> ] => 'output.zip'
|
| 1309 |
+
or die "zip failed: $ZipError\n";
|
| 1310 |
+
|
| 1311 |
+
=head1 OO Interface
|
| 1312 |
+
|
| 1313 |
+
=head2 Constructor
|
| 1314 |
+
|
| 1315 |
+
The format of the constructor for C<IO::Compress::Zip> is shown below
|
| 1316 |
+
|
| 1317 |
+
my $z = IO::Compress::Zip->new( $output [,OPTS] )
|
| 1318 |
+
or die "IO::Compress::Zip failed: $ZipError\n";
|
| 1319 |
+
|
| 1320 |
+
The constructor takes one mandatory parameter, C<$output>, defined below and
|
| 1321 |
+
zero or more C<OPTS>, defined in L<Constructor Options>.
|
| 1322 |
+
|
| 1323 |
+
It returns an C<IO::Compress::Zip> object on success and C<undef> on failure.
|
| 1324 |
+
The variable C<$ZipError> will contain an error message on failure.
|
| 1325 |
+
|
| 1326 |
+
If you are running Perl 5.005 or better the object, C<$z>, returned from
|
| 1327 |
+
IO::Compress::Zip can be used exactly like an L<IO::File|IO::File> filehandle.
|
| 1328 |
+
This means that all normal output file operations can be carried out
|
| 1329 |
+
with C<$z>.
|
| 1330 |
+
For example, to write to a compressed file/buffer you can use either of
|
| 1331 |
+
these forms
|
| 1332 |
+
|
| 1333 |
+
$z->print("hello world\n");
|
| 1334 |
+
print $z "hello world\n";
|
| 1335 |
+
|
| 1336 |
+
Below is a simple exaple of using the OO interface to create an output file
|
| 1337 |
+
C<myfile.zip> and write some data to it.
|
| 1338 |
+
|
| 1339 |
+
my $filename = "myfile.zip";
|
| 1340 |
+
my $z = IO::Compress::Zip->new($filename)
|
| 1341 |
+
or die "IO::Compress::Zip failed: $ZipError\n";
|
| 1342 |
+
|
| 1343 |
+
$z->print("abcde");
|
| 1344 |
+
$z->close();
|
| 1345 |
+
|
| 1346 |
+
See the L</Examples> for more.
|
| 1347 |
+
|
| 1348 |
+
The mandatory parameter C<$output> is used to control the destination
|
| 1349 |
+
of the compressed data. This parameter can take one of these forms.
|
| 1350 |
+
|
| 1351 |
+
=over 5
|
| 1352 |
+
|
| 1353 |
+
=item A filename
|
| 1354 |
+
|
| 1355 |
+
If the C<$output> parameter is a simple scalar, it is assumed to be a
|
| 1356 |
+
filename. This file will be opened for writing and the compressed data
|
| 1357 |
+
will be written to it.
|
| 1358 |
+
|
| 1359 |
+
=item A filehandle
|
| 1360 |
+
|
| 1361 |
+
If the C<$output> parameter is a filehandle, the compressed data will be
|
| 1362 |
+
written to it.
|
| 1363 |
+
The string '-' can be used as an alias for standard output.
|
| 1364 |
+
|
| 1365 |
+
=item A scalar reference
|
| 1366 |
+
|
| 1367 |
+
If C<$output> is a scalar reference, the compressed data will be stored
|
| 1368 |
+
in C<$$output>.
|
| 1369 |
+
|
| 1370 |
+
=back
|
| 1371 |
+
|
| 1372 |
+
If the C<$output> parameter is any other type, C<IO::Compress::Zip>::new will
|
| 1373 |
+
return undef.
|
| 1374 |
+
|
| 1375 |
+
=head2 Constructor Options
|
| 1376 |
+
|
| 1377 |
+
C<OPTS> is any combination of zero or more the following options:
|
| 1378 |
+
|
| 1379 |
+
=over 5
|
| 1380 |
+
|
| 1381 |
+
=item C<< AutoClose => 0|1 >>
|
| 1382 |
+
|
| 1383 |
+
This option is only valid when the C<$output> parameter is a filehandle. If
|
| 1384 |
+
specified, and the value is true, it will result in the C<$output> being
|
| 1385 |
+
closed once either the C<close> method is called or the C<IO::Compress::Zip>
|
| 1386 |
+
object is destroyed.
|
| 1387 |
+
|
| 1388 |
+
This parameter defaults to 0.
|
| 1389 |
+
|
| 1390 |
+
=item C<< Append => 0|1 >>
|
| 1391 |
+
|
| 1392 |
+
Opens C<$output> in append mode.
|
| 1393 |
+
|
| 1394 |
+
The behaviour of this option is dependent on the type of C<$output>.
|
| 1395 |
+
|
| 1396 |
+
=over 5
|
| 1397 |
+
|
| 1398 |
+
=item * A Buffer
|
| 1399 |
+
|
| 1400 |
+
If C<$output> is a buffer and C<Append> is enabled, all compressed data
|
| 1401 |
+
will be append to the end of C<$output>. Otherwise C<$output> will be
|
| 1402 |
+
cleared before any data is written to it.
|
| 1403 |
+
|
| 1404 |
+
=item * A Filename
|
| 1405 |
+
|
| 1406 |
+
If C<$output> is a filename and C<Append> is enabled, the file will be
|
| 1407 |
+
opened in append mode. Otherwise the contents of the file, if any, will be
|
| 1408 |
+
truncated before any compressed data is written to it.
|
| 1409 |
+
|
| 1410 |
+
=item * A Filehandle
|
| 1411 |
+
|
| 1412 |
+
If C<$output> is a filehandle, the file pointer will be positioned to the
|
| 1413 |
+
end of the file via a call to C<seek> before any compressed data is written
|
| 1414 |
+
to it. Otherwise the file pointer will not be moved.
|
| 1415 |
+
|
| 1416 |
+
=back
|
| 1417 |
+
|
| 1418 |
+
This parameter defaults to 0.
|
| 1419 |
+
|
| 1420 |
+
=back
|
| 1421 |
+
|
| 1422 |
+
=head3 File Naming Options
|
| 1423 |
+
|
| 1424 |
+
A quick bit of zip file terminology -- A zip archive consists of one or more I<archive members>, where each member has an associated
|
| 1425 |
+
filename, known as the I<archive member name>.
|
| 1426 |
+
|
| 1427 |
+
The options listed in this section control how the I<archive member name> (or filename) is stored the zip archive.
|
| 1428 |
+
|
| 1429 |
+
=over 5
|
| 1430 |
+
|
| 1431 |
+
=item C<< Name => $string >>
|
| 1432 |
+
|
| 1433 |
+
This option is used to explicitly set the I<archive member name> in
|
| 1434 |
+
the zip archive to C<$string>.
|
| 1435 |
+
Most of the time you don't need to make use of this option.
|
| 1436 |
+
By default when adding a filename to the zip archive, the I<archive member name> will match the filename.
|
| 1437 |
+
|
| 1438 |
+
You should only need to use this option if you want the I<archive member name>
|
| 1439 |
+
to be different from the uncompressed filename or when the input is a filehandle or a buffer.
|
| 1440 |
+
|
| 1441 |
+
The default behaviour for what I<archive member name> is used when the C<Name> option
|
| 1442 |
+
is I<not> specified depends on the form of the C<$input> parameter:
|
| 1443 |
+
|
| 1444 |
+
=over 5
|
| 1445 |
+
|
| 1446 |
+
=item *
|
| 1447 |
+
|
| 1448 |
+
If the C<$input> parameter is a filename, the
|
| 1449 |
+
value of C<$input> will be used for the I<archive member name> .
|
| 1450 |
+
|
| 1451 |
+
=item *
|
| 1452 |
+
If the C<$input> parameter is not a filename,
|
| 1453 |
+
the I<archive member name> will be an empty string.
|
| 1454 |
+
|
| 1455 |
+
=back
|
| 1456 |
+
|
| 1457 |
+
Note that both the C<CanonicalName> and C<FilterName> options
|
| 1458 |
+
can modify the value used for the I<archive member name>.
|
| 1459 |
+
|
| 1460 |
+
Also note that you should set the C<Efs> option to true if you are working
|
| 1461 |
+
with UTF8 filenames.
|
| 1462 |
+
|
| 1463 |
+
=item C<< CanonicalName => 0|1 >>
|
| 1464 |
+
|
| 1465 |
+
This option controls whether the I<archive member name> is
|
| 1466 |
+
I<normalized> into Unix format before being written to the zip file.
|
| 1467 |
+
|
| 1468 |
+
It is recommended that you enable this option unless you really need
|
| 1469 |
+
to create a non-standard Zip file.
|
| 1470 |
+
|
| 1471 |
+
This is what APPNOTE.TXT has to say on what should be stored in the zip
|
| 1472 |
+
filename header field.
|
| 1473 |
+
|
| 1474 |
+
The name of the file, with optional relative path.
|
| 1475 |
+
The path stored should not contain a drive or
|
| 1476 |
+
device letter, or a leading slash. All slashes
|
| 1477 |
+
should be forward slashes '/' as opposed to
|
| 1478 |
+
backwards slashes '\' for compatibility with Amiga
|
| 1479 |
+
and UNIX file systems etc.
|
| 1480 |
+
|
| 1481 |
+
This option defaults to B<false>.
|
| 1482 |
+
|
| 1483 |
+
=item C<< FilterName => sub { ... } >>
|
| 1484 |
+
|
| 1485 |
+
This option allow the I<archive member> name to be modified
|
| 1486 |
+
before it is written to the zip file.
|
| 1487 |
+
|
| 1488 |
+
This option takes a parameter that must be a reference to a sub. On entry
|
| 1489 |
+
to the sub the C<$_> variable will contain the name to be filtered. If no
|
| 1490 |
+
filename is available C<$_> will contain an empty string.
|
| 1491 |
+
|
| 1492 |
+
The value of C<$_> when the sub returns will be used as the I<archive member name>.
|
| 1493 |
+
|
| 1494 |
+
Note that if C<CanonicalName> is enabled, a
|
| 1495 |
+
normalized filename will be passed to the sub.
|
| 1496 |
+
|
| 1497 |
+
If you use C<FilterName> to modify the filename, it is your responsibility
|
| 1498 |
+
to keep the filename in Unix format.
|
| 1499 |
+
|
| 1500 |
+
Although this option can be used with the OO interface, it is of most use
|
| 1501 |
+
with the one-shot interface. For example, the code below shows how
|
| 1502 |
+
C<FilterName> can be used to remove the path component from a series of
|
| 1503 |
+
filenames before they are stored in C<$zipfile>.
|
| 1504 |
+
|
| 1505 |
+
sub compressTxtFiles
|
| 1506 |
+
{
|
| 1507 |
+
my $zipfile = shift ;
|
| 1508 |
+
my $dir = shift ;
|
| 1509 |
+
|
| 1510 |
+
zip [ <$dir/*.txt> ] => $zipfile,
|
| 1511 |
+
FilterName => sub { s[^$dir/][] } ;
|
| 1512 |
+
}
|
| 1513 |
+
|
| 1514 |
+
=item C<< Efs => 0|1 >>
|
| 1515 |
+
|
| 1516 |
+
This option controls setting of the "Language Encoding Flag" (EFS) in the zip
|
| 1517 |
+
archive. When set, the filename and comment fields for the zip archive MUST
|
| 1518 |
+
be valid UTF-8.
|
| 1519 |
+
|
| 1520 |
+
If the string used for the filename and/or comment is not valid UTF-8 when this option
|
| 1521 |
+
is true, the script will die with a "wide character" error.
|
| 1522 |
+
|
| 1523 |
+
Note that this option only works with Perl 5.8.4 or better.
|
| 1524 |
+
|
| 1525 |
+
This option defaults to B<false>.
|
| 1526 |
+
|
| 1527 |
+
=back
|
| 1528 |
+
|
| 1529 |
+
=head3 Overall Zip Archive Structure
|
| 1530 |
+
|
| 1531 |
+
=over 5
|
| 1532 |
+
|
| 1533 |
+
=item C<< Minimal => 1|0 >>
|
| 1534 |
+
|
| 1535 |
+
If specified, this option will disable the creation of all extra fields
|
| 1536 |
+
in the zip local and central headers. So the C<exTime>, C<exUnix2>,
|
| 1537 |
+
C<exUnixN>, C<ExtraFieldLocal> and C<ExtraFieldCentral> options will
|
| 1538 |
+
be ignored.
|
| 1539 |
+
|
| 1540 |
+
This parameter defaults to 0.
|
| 1541 |
+
|
| 1542 |
+
=item C<< Stream => 0|1 >>
|
| 1543 |
+
|
| 1544 |
+
This option controls whether the zip file/buffer output is created in
|
| 1545 |
+
streaming mode.
|
| 1546 |
+
|
| 1547 |
+
Note that when outputting to a file with streaming mode disabled (C<Stream>
|
| 1548 |
+
is 0), the output file must be seekable.
|
| 1549 |
+
|
| 1550 |
+
The default is 1.
|
| 1551 |
+
|
| 1552 |
+
=item C<< Zip64 => 0|1 >>
|
| 1553 |
+
|
| 1554 |
+
Create a Zip64 zip file/buffer. This option is used if you want
|
| 1555 |
+
to store files larger than 4 Gig or store more than 64K files in a single
|
| 1556 |
+
zip archive.
|
| 1557 |
+
|
| 1558 |
+
C<Zip64> will be automatically set, as needed, if working with the one-shot
|
| 1559 |
+
interface when the input is either a filename or a scalar reference.
|
| 1560 |
+
|
| 1561 |
+
If you intend to manipulate the Zip64 zip files created with this module
|
| 1562 |
+
using an external zip/unzip, make sure that it supports Zip64.
|
| 1563 |
+
|
| 1564 |
+
In particular, if you are using Info-Zip you need to have zip version 3.x
|
| 1565 |
+
or better to update a Zip64 archive and unzip version 6.x to read a zip64
|
| 1566 |
+
archive.
|
| 1567 |
+
|
| 1568 |
+
The default is 0.
|
| 1569 |
+
|
| 1570 |
+
=back
|
| 1571 |
+
|
| 1572 |
+
=head3 Deflate Compression Options
|
| 1573 |
+
|
| 1574 |
+
=over 5
|
| 1575 |
+
|
| 1576 |
+
=item -Level
|
| 1577 |
+
|
| 1578 |
+
Defines the compression level used by zlib. The value should either be
|
| 1579 |
+
a number between 0 and 9 (0 means no compression and 9 is maximum
|
| 1580 |
+
compression), or one of the symbolic constants defined below.
|
| 1581 |
+
|
| 1582 |
+
Z_NO_COMPRESSION
|
| 1583 |
+
Z_BEST_SPEED
|
| 1584 |
+
Z_BEST_COMPRESSION
|
| 1585 |
+
Z_DEFAULT_COMPRESSION
|
| 1586 |
+
|
| 1587 |
+
The default is Z_DEFAULT_COMPRESSION.
|
| 1588 |
+
|
| 1589 |
+
Note, these constants are not imported by C<IO::Compress::Zip> by default.
|
| 1590 |
+
|
| 1591 |
+
use IO::Compress::Zip qw(:strategy);
|
| 1592 |
+
use IO::Compress::Zip qw(:constants);
|
| 1593 |
+
use IO::Compress::Zip qw(:all);
|
| 1594 |
+
|
| 1595 |
+
=item -Strategy
|
| 1596 |
+
|
| 1597 |
+
Defines the strategy used to tune the compression. Use one of the symbolic
|
| 1598 |
+
constants defined below.
|
| 1599 |
+
|
| 1600 |
+
Z_FILTERED
|
| 1601 |
+
Z_HUFFMAN_ONLY
|
| 1602 |
+
Z_RLE
|
| 1603 |
+
Z_FIXED
|
| 1604 |
+
Z_DEFAULT_STRATEGY
|
| 1605 |
+
|
| 1606 |
+
The default is Z_DEFAULT_STRATEGY.
|
| 1607 |
+
|
| 1608 |
+
=back
|
| 1609 |
+
|
| 1610 |
+
=head3 Bzip2 Compression Options
|
| 1611 |
+
|
| 1612 |
+
=over 5
|
| 1613 |
+
|
| 1614 |
+
=item C<< BlockSize100K => number >>
|
| 1615 |
+
|
| 1616 |
+
Specify the number of 100K blocks bzip2 uses during compression.
|
| 1617 |
+
|
| 1618 |
+
Valid values are from 1 to 9, where 9 is best compression.
|
| 1619 |
+
|
| 1620 |
+
This option is only valid if the C<Method> is ZIP_CM_BZIP2. It is ignored
|
| 1621 |
+
otherwise.
|
| 1622 |
+
|
| 1623 |
+
The default is 1.
|
| 1624 |
+
|
| 1625 |
+
=item C<< WorkFactor => number >>
|
| 1626 |
+
|
| 1627 |
+
Specifies how much effort bzip2 should take before resorting to a slower
|
| 1628 |
+
fallback compression algorithm.
|
| 1629 |
+
|
| 1630 |
+
Valid values range from 0 to 250, where 0 means use the default value 30.
|
| 1631 |
+
|
| 1632 |
+
This option is only valid if the C<Method> is ZIP_CM_BZIP2. It is ignored
|
| 1633 |
+
otherwise.
|
| 1634 |
+
|
| 1635 |
+
The default is 0.
|
| 1636 |
+
|
| 1637 |
+
=back
|
| 1638 |
+
|
| 1639 |
+
=head3 Lzma and Xz Compression Options
|
| 1640 |
+
|
| 1641 |
+
=over 5
|
| 1642 |
+
|
| 1643 |
+
=item C<< Preset => number >>
|
| 1644 |
+
|
| 1645 |
+
Used to choose the LZMA compression preset.
|
| 1646 |
+
|
| 1647 |
+
Valid values are 0-9 and C<LZMA_PRESET_DEFAULT>.
|
| 1648 |
+
|
| 1649 |
+
0 is the fastest compression with the lowest memory usage and the lowest
|
| 1650 |
+
compression.
|
| 1651 |
+
|
| 1652 |
+
9 is the slowest compression with the highest memory usage but with the best
|
| 1653 |
+
compression.
|
| 1654 |
+
|
| 1655 |
+
This option is only valid if the C<Method> is ZIP_CM_LZMA. It is ignored
|
| 1656 |
+
otherwise.
|
| 1657 |
+
|
| 1658 |
+
Defaults to C<LZMA_PRESET_DEFAULT> (6).
|
| 1659 |
+
|
| 1660 |
+
=item C<< Extreme => 0|1 >>
|
| 1661 |
+
|
| 1662 |
+
Makes LZMA compression a lot slower, but a small compression gain.
|
| 1663 |
+
|
| 1664 |
+
This option is only valid if the C<Method> is ZIP_CM_LZMA. It is ignored
|
| 1665 |
+
otherwise.
|
| 1666 |
+
|
| 1667 |
+
Defaults to 0.
|
| 1668 |
+
|
| 1669 |
+
=back
|
| 1670 |
+
|
| 1671 |
+
=head3 Other Options
|
| 1672 |
+
|
| 1673 |
+
=over 5
|
| 1674 |
+
|
| 1675 |
+
=item C<< Time => $number >>
|
| 1676 |
+
|
| 1677 |
+
Sets the last modified time field in the zip header to $number.
|
| 1678 |
+
|
| 1679 |
+
This field defaults to the time the C<IO::Compress::Zip> object was created
|
| 1680 |
+
if this option is not specified and the C<$input> parameter is not a
|
| 1681 |
+
filename.
|
| 1682 |
+
|
| 1683 |
+
=item C<< ExtAttr => $attr >>
|
| 1684 |
+
|
| 1685 |
+
This option controls the "external file attributes" field in the central
|
| 1686 |
+
header of the zip file. This is a 4 byte field.
|
| 1687 |
+
|
| 1688 |
+
If you are running a Unix derivative this value defaults to
|
| 1689 |
+
|
| 1690 |
+
0100644 << 16
|
| 1691 |
+
|
| 1692 |
+
This should allow read/write access to any files that are extracted from
|
| 1693 |
+
the zip file/buffer`.
|
| 1694 |
+
|
| 1695 |
+
For all other systems it defaults to 0.
|
| 1696 |
+
|
| 1697 |
+
=item C<< exTime => [$atime, $mtime, $ctime] >>
|
| 1698 |
+
|
| 1699 |
+
This option expects an array reference with exactly three elements:
|
| 1700 |
+
C<$atime>, C<mtime> and C<$ctime>. These correspond to the last access
|
| 1701 |
+
time, last modification time and creation time respectively.
|
| 1702 |
+
|
| 1703 |
+
It uses these values to set the extended timestamp field (ID is "UT") in
|
| 1704 |
+
the local zip header using the three values, $atime, $mtime, $ctime. In
|
| 1705 |
+
addition it sets the extended timestamp field in the central zip header
|
| 1706 |
+
using C<$mtime>.
|
| 1707 |
+
|
| 1708 |
+
If any of the three values is C<undef> that time value will not be used.
|
| 1709 |
+
So, for example, to set only the C<$mtime> you would use this
|
| 1710 |
+
|
| 1711 |
+
exTime => [undef, $mtime, undef]
|
| 1712 |
+
|
| 1713 |
+
If the C<Minimal> option is set to true, this option will be ignored.
|
| 1714 |
+
|
| 1715 |
+
By default no extended time field is created.
|
| 1716 |
+
|
| 1717 |
+
=item C<< exUnix2 => [$uid, $gid] >>
|
| 1718 |
+
|
| 1719 |
+
This option expects an array reference with exactly two elements: C<$uid>
|
| 1720 |
+
and C<$gid>. These values correspond to the numeric User ID (UID) and Group ID
|
| 1721 |
+
(GID) of the owner of the files respectively.
|
| 1722 |
+
|
| 1723 |
+
When the C<exUnix2> option is present it will trigger the creation of a
|
| 1724 |
+
Unix2 extra field (ID is "Ux") in the local zip header. This will be populated
|
| 1725 |
+
with C<$uid> and C<$gid>. An empty Unix2 extra field will also
|
| 1726 |
+
be created in the central zip header.
|
| 1727 |
+
|
| 1728 |
+
Note - The UID & GID are stored as 16-bit
|
| 1729 |
+
integers in the "Ux" field. Use C<< exUnixN >> if your UID or GID are
|
| 1730 |
+
32-bit.
|
| 1731 |
+
|
| 1732 |
+
If the C<Minimal> option is set to true, this option will be ignored.
|
| 1733 |
+
|
| 1734 |
+
By default no Unix2 extra field is created.
|
| 1735 |
+
|
| 1736 |
+
=item C<< exUnixN => [$uid, $gid] >>
|
| 1737 |
+
|
| 1738 |
+
This option expects an array reference with exactly two elements: C<$uid>
|
| 1739 |
+
and C<$gid>. These values correspond to the numeric User ID (UID) and Group ID
|
| 1740 |
+
(GID) of the owner of the files respectively.
|
| 1741 |
+
|
| 1742 |
+
When the C<exUnixN> option is present it will trigger the creation of a
|
| 1743 |
+
UnixN extra field (ID is "ux") in both the local and central zip headers.
|
| 1744 |
+
This will be populated with C<$uid> and C<$gid>.
|
| 1745 |
+
The UID & GID are stored as 32-bit integers.
|
| 1746 |
+
|
| 1747 |
+
If the C<Minimal> option is set to true, this option will be ignored.
|
| 1748 |
+
|
| 1749 |
+
By default no UnixN extra field is created.
|
| 1750 |
+
|
| 1751 |
+
=item C<< Comment => $comment >>
|
| 1752 |
+
|
| 1753 |
+
Stores the contents of C<$comment> in the Central File Header of
|
| 1754 |
+
the zip file.
|
| 1755 |
+
|
| 1756 |
+
Set the C<Efs> option to true if you want to store a UTF8 comment.
|
| 1757 |
+
|
| 1758 |
+
By default, no comment field is written to the zip file.
|
| 1759 |
+
|
| 1760 |
+
=item C<< ZipComment => $comment >>
|
| 1761 |
+
|
| 1762 |
+
Stores the contents of C<$comment> in the End of Central Directory record
|
| 1763 |
+
of the zip file.
|
| 1764 |
+
|
| 1765 |
+
By default, no comment field is written to the zip file.
|
| 1766 |
+
|
| 1767 |
+
=item C<< Method => $method >>
|
| 1768 |
+
|
| 1769 |
+
Controls which compression method is used. At present the compression
|
| 1770 |
+
methods supported are: Store (no compression at all), Deflate,
|
| 1771 |
+
Bzip2, Zstd, Xz and Lzma.
|
| 1772 |
+
|
| 1773 |
+
The symbols ZIP_CM_STORE, ZIP_CM_DEFLATE, ZIP_CM_BZIP2, ZIP_CM_ZSTD, ZIP_CM_XZ and ZIP_CM_LZMA
|
| 1774 |
+
are used to select the compression method.
|
| 1775 |
+
|
| 1776 |
+
These constants are not imported by C<IO::Compress::Zip> by default.
|
| 1777 |
+
|
| 1778 |
+
use IO::Compress::Zip qw(:zip_method);
|
| 1779 |
+
use IO::Compress::Zip qw(:constants);
|
| 1780 |
+
use IO::Compress::Zip qw(:all);
|
| 1781 |
+
|
| 1782 |
+
Note that to create Bzip2 content, the module C<IO::Compress::Bzip2> must
|
| 1783 |
+
be installed. A fatal error will be thrown if you attempt to create Bzip2
|
| 1784 |
+
content when C<IO::Compress::Bzip2> is not available.
|
| 1785 |
+
|
| 1786 |
+
Note that to create Lzma content, the module C<IO::Compress::Lzma> must
|
| 1787 |
+
be installed. A fatal error will be thrown if you attempt to create Lzma
|
| 1788 |
+
content when C<IO::Compress::Lzma> is not available.
|
| 1789 |
+
|
| 1790 |
+
Note that to create Xz content, the module C<IO::Compress::Xz> must
|
| 1791 |
+
be installed. A fatal error will be thrown if you attempt to create Xz
|
| 1792 |
+
content when C<IO::Compress::Xz> is not available.
|
| 1793 |
+
|
| 1794 |
+
Note that to create Zstd content, the module C<IO::Compress::Zstd> must
|
| 1795 |
+
be installed. A fatal error will be thrown if you attempt to create Zstd
|
| 1796 |
+
content when C<IO::Compress::Zstd> is not available.
|
| 1797 |
+
|
| 1798 |
+
The default method is ZIP_CM_DEFLATE.
|
| 1799 |
+
|
| 1800 |
+
=item C<< TextFlag => 0|1 >>
|
| 1801 |
+
|
| 1802 |
+
This parameter controls the setting of a bit in the zip central header. It
|
| 1803 |
+
is used to signal that the data stored in the zip file/buffer is probably
|
| 1804 |
+
text.
|
| 1805 |
+
|
| 1806 |
+
In one-shot mode this flag will be set to true if the Perl C<-T> operator thinks
|
| 1807 |
+
the file contains text.
|
| 1808 |
+
|
| 1809 |
+
The default is 0.
|
| 1810 |
+
|
| 1811 |
+
=item C<< ExtraFieldLocal => $data >>
|
| 1812 |
+
|
| 1813 |
+
=item C<< ExtraFieldCentral => $data >>
|
| 1814 |
+
|
| 1815 |
+
The C<ExtraFieldLocal> option is used to store additional metadata in the
|
| 1816 |
+
local header for the zip file/buffer. The C<ExtraFieldCentral> does the
|
| 1817 |
+
same for the matching central header.
|
| 1818 |
+
|
| 1819 |
+
An extra field consists of zero or more subfields. Each subfield consists
|
| 1820 |
+
of a two byte header followed by the subfield data.
|
| 1821 |
+
|
| 1822 |
+
The list of subfields can be supplied in any of the following formats
|
| 1823 |
+
|
| 1824 |
+
ExtraFieldLocal => [$id1, $data1,
|
| 1825 |
+
$id2, $data2,
|
| 1826 |
+
...
|
| 1827 |
+
]
|
| 1828 |
+
|
| 1829 |
+
ExtraFieldLocal => [ [$id1 => $data1],
|
| 1830 |
+
[$id2 => $data2],
|
| 1831 |
+
...
|
| 1832 |
+
]
|
| 1833 |
+
|
| 1834 |
+
ExtraFieldLocal => { $id1 => $data1,
|
| 1835 |
+
$id2 => $data2,
|
| 1836 |
+
...
|
| 1837 |
+
}
|
| 1838 |
+
|
| 1839 |
+
Where C<$id1>, C<$id2> are two byte subfield ID's.
|
| 1840 |
+
|
| 1841 |
+
If you use the hash syntax, you have no control over the order in which
|
| 1842 |
+
the ExtraSubFields are stored, plus you cannot have SubFields with
|
| 1843 |
+
duplicate ID.
|
| 1844 |
+
|
| 1845 |
+
Alternatively the list of subfields can by supplied as a scalar, thus
|
| 1846 |
+
|
| 1847 |
+
ExtraField => $rawdata
|
| 1848 |
+
|
| 1849 |
+
In this case C<IO::Compress::Zip> will check that C<$rawdata> consists of
|
| 1850 |
+
zero or more conformant sub-fields.
|
| 1851 |
+
|
| 1852 |
+
The Extended Time field (ID "UT"), set using the C<exTime> option, and the
|
| 1853 |
+
Unix2 extra field (ID "Ux), set using the C<exUnix2> option, are examples
|
| 1854 |
+
of extra fields.
|
| 1855 |
+
|
| 1856 |
+
If the C<Minimal> option is set to true, this option will be ignored.
|
| 1857 |
+
|
| 1858 |
+
The maximum size of an extra field 65535 bytes.
|
| 1859 |
+
|
| 1860 |
+
=item C<< Strict => 0|1 >>
|
| 1861 |
+
|
| 1862 |
+
This is a placeholder option.
|
| 1863 |
+
|
| 1864 |
+
=back
|
| 1865 |
+
|
| 1866 |
+
=head2 Examples
|
| 1867 |
+
|
| 1868 |
+
=head3 Streaming
|
| 1869 |
+
|
| 1870 |
+
This very simple command line example demonstrates the streaming capabilities
|
| 1871 |
+
of the module. The code reads data from STDIN or all the files given on the
|
| 1872 |
+
commandline, compresses it, and writes the compressed data to STDOUT.
|
| 1873 |
+
|
| 1874 |
+
use strict ;
|
| 1875 |
+
use warnings ;
|
| 1876 |
+
use IO::Compress::Zip qw(zip $ZipError) ;
|
| 1877 |
+
|
| 1878 |
+
my $z = IO::Compress::Zip->new("-", Stream => 1)
|
| 1879 |
+
or die "IO::Compress::Zip failed: $ZipError\n";
|
| 1880 |
+
|
| 1881 |
+
while (<>) {
|
| 1882 |
+
$z->print("abcde");
|
| 1883 |
+
}
|
| 1884 |
+
$z->close();
|
| 1885 |
+
|
| 1886 |
+
Note the use of C<"-"> to means C<STDOUT>. Alternatively you can use C<\*STDOUT>.
|
| 1887 |
+
|
| 1888 |
+
One problem with creating a zip archive directly from STDIN can be demonstrated by looking at
|
| 1889 |
+
the contents of the zip file, output.zip, that we have just created
|
| 1890 |
+
(assumg you have redirected it to a file called C<output.zip>).
|
| 1891 |
+
|
| 1892 |
+
$ unzip -l output.zip
|
| 1893 |
+
Archive: output.zip
|
| 1894 |
+
Length Date Time Name
|
| 1895 |
+
--------- ---------- ----- ----
|
| 1896 |
+
12 2019-08-16 22:21
|
| 1897 |
+
--------- -------
|
| 1898 |
+
12 1 file
|
| 1899 |
+
|
| 1900 |
+
The archive member (filename) used is the empty string.
|
| 1901 |
+
|
| 1902 |
+
If that doesn't suit your needs, you can explicitly set the filename used
|
| 1903 |
+
in the zip archive by specifying the L<Name|"File Naming Options"> option, like so
|
| 1904 |
+
|
| 1905 |
+
my $z = IO::Compress::Zip->new("-", Name => "hello.txt", Stream => 1)
|
| 1906 |
+
|
| 1907 |
+
Now the contents of the zip file looks like this
|
| 1908 |
+
|
| 1909 |
+
$ unzip -l output.zip
|
| 1910 |
+
Archive: output.zip
|
| 1911 |
+
Length Date Time Name
|
| 1912 |
+
--------- ---------- ----- ----
|
| 1913 |
+
12 2019-08-16 22:22 hello.txt
|
| 1914 |
+
--------- -------
|
| 1915 |
+
12 1 file
|
| 1916 |
+
|
| 1917 |
+
=head3 Compressing a file from the filesystem
|
| 1918 |
+
|
| 1919 |
+
To read the contents of the file C<file1.txt> and write the compressed
|
| 1920 |
+
data to the file C<file1.txt.zip> there are a few options
|
| 1921 |
+
|
| 1922 |
+
Start by creating the compression object and opening the input file
|
| 1923 |
+
|
| 1924 |
+
use strict ;
|
| 1925 |
+
use warnings ;
|
| 1926 |
+
use IO::Compress::Zip qw(zip $ZipError) ;
|
| 1927 |
+
|
| 1928 |
+
my $input = "file1.txt";
|
| 1929 |
+
my $z = IO::Compress::Zip->new("file1.txt.zip")
|
| 1930 |
+
or die "IO::Compress::Zip failed: $ZipError\n";
|
| 1931 |
+
|
| 1932 |
+
# open the input file
|
| 1933 |
+
open my $fh, "<", "file1.txt"
|
| 1934 |
+
or die "Cannot open file1.txt: $!\n";
|
| 1935 |
+
|
| 1936 |
+
# loop through the input file & write to the compressed file
|
| 1937 |
+
while (<$fh>) {
|
| 1938 |
+
$z->print($_);
|
| 1939 |
+
}
|
| 1940 |
+
|
| 1941 |
+
# not forgetting to close the compressed file
|
| 1942 |
+
$z->close();
|
| 1943 |
+
|
| 1944 |
+
=head3 Compressing multiple files
|
| 1945 |
+
|
| 1946 |
+
To create a zip file, C<output.zip>, that contains the compressed contents
|
| 1947 |
+
of the files C<alpha.txt> and C<beta.txt>
|
| 1948 |
+
|
| 1949 |
+
use strict ;
|
| 1950 |
+
use warnings ;
|
| 1951 |
+
use IO::Compress::Zip qw(zip $ZipError) ;
|
| 1952 |
+
|
| 1953 |
+
my $z = IO::Compress::Zip->new("output.zip", Name => "alpha.txt")
|
| 1954 |
+
or die "IO::Compress::Zip failed: $ZipError\n";
|
| 1955 |
+
|
| 1956 |
+
# open the input file
|
| 1957 |
+
open my $fh, "<", "file1.txt"
|
| 1958 |
+
or die "Cannot open file1.txt: $!\n";
|
| 1959 |
+
|
| 1960 |
+
# loop through the input file & write to the compressed file
|
| 1961 |
+
while (<$fh>) {
|
| 1962 |
+
$z->print($_);
|
| 1963 |
+
}
|
| 1964 |
+
|
| 1965 |
+
# move to next file
|
| 1966 |
+
$z->newStream(Name => "beta.txt")
|
| 1967 |
+
|
| 1968 |
+
while (<$fh>) {
|
| 1969 |
+
$z->print($_);
|
| 1970 |
+
}
|
| 1971 |
+
|
| 1972 |
+
$z->close();
|
| 1973 |
+
|
| 1974 |
+
=head1 Methods
|
| 1975 |
+
|
| 1976 |
+
=head2 print
|
| 1977 |
+
|
| 1978 |
+
Usage is
|
| 1979 |
+
|
| 1980 |
+
$z->print($data)
|
| 1981 |
+
print $z $data
|
| 1982 |
+
|
| 1983 |
+
Compresses and outputs the contents of the C<$data> parameter. This
|
| 1984 |
+
has the same behaviour as the C<print> built-in.
|
| 1985 |
+
|
| 1986 |
+
Returns true if successful.
|
| 1987 |
+
|
| 1988 |
+
=head2 printf
|
| 1989 |
+
|
| 1990 |
+
Usage is
|
| 1991 |
+
|
| 1992 |
+
$z->printf($format, $data)
|
| 1993 |
+
printf $z $format, $data
|
| 1994 |
+
|
| 1995 |
+
Compresses and outputs the contents of the C<$data> parameter.
|
| 1996 |
+
|
| 1997 |
+
Returns true if successful.
|
| 1998 |
+
|
| 1999 |
+
=head2 syswrite
|
| 2000 |
+
|
| 2001 |
+
Usage is
|
| 2002 |
+
|
| 2003 |
+
$z->syswrite $data
|
| 2004 |
+
$z->syswrite $data, $length
|
| 2005 |
+
$z->syswrite $data, $length, $offset
|
| 2006 |
+
|
| 2007 |
+
Compresses and outputs the contents of the C<$data> parameter.
|
| 2008 |
+
|
| 2009 |
+
Returns the number of uncompressed bytes written, or C<undef> if
|
| 2010 |
+
unsuccessful.
|
| 2011 |
+
|
| 2012 |
+
=head2 write
|
| 2013 |
+
|
| 2014 |
+
Usage is
|
| 2015 |
+
|
| 2016 |
+
$z->write $data
|
| 2017 |
+
$z->write $data, $length
|
| 2018 |
+
$z->write $data, $length, $offset
|
| 2019 |
+
|
| 2020 |
+
Compresses and outputs the contents of the C<$data> parameter.
|
| 2021 |
+
|
| 2022 |
+
Returns the number of uncompressed bytes written, or C<undef> if
|
| 2023 |
+
unsuccessful.
|
| 2024 |
+
|
| 2025 |
+
=head2 flush
|
| 2026 |
+
|
| 2027 |
+
Usage is
|
| 2028 |
+
|
| 2029 |
+
$z->flush;
|
| 2030 |
+
$z->flush($flush_type);
|
| 2031 |
+
|
| 2032 |
+
Flushes any pending compressed data to the output file/buffer.
|
| 2033 |
+
|
| 2034 |
+
This method takes an optional parameter, C<$flush_type>, that controls
|
| 2035 |
+
how the flushing will be carried out. By default the C<$flush_type>
|
| 2036 |
+
used is C<Z_FINISH>. Other valid values for C<$flush_type> are
|
| 2037 |
+
C<Z_NO_FLUSH>, C<Z_SYNC_FLUSH>, C<Z_FULL_FLUSH> and C<Z_BLOCK>. It is
|
| 2038 |
+
strongly recommended that you only set the C<flush_type> parameter if
|
| 2039 |
+
you fully understand the implications of what it does - overuse of C<flush>
|
| 2040 |
+
can seriously degrade the level of compression achieved. See the C<zlib>
|
| 2041 |
+
documentation for details.
|
| 2042 |
+
|
| 2043 |
+
Returns true on success.
|
| 2044 |
+
|
| 2045 |
+
=head2 tell
|
| 2046 |
+
|
| 2047 |
+
Usage is
|
| 2048 |
+
|
| 2049 |
+
$z->tell()
|
| 2050 |
+
tell $z
|
| 2051 |
+
|
| 2052 |
+
Returns the uncompressed file offset.
|
| 2053 |
+
|
| 2054 |
+
=head2 eof
|
| 2055 |
+
|
| 2056 |
+
Usage is
|
| 2057 |
+
|
| 2058 |
+
$z->eof();
|
| 2059 |
+
eof($z);
|
| 2060 |
+
|
| 2061 |
+
Returns true if the C<close> method has been called.
|
| 2062 |
+
|
| 2063 |
+
=head2 seek
|
| 2064 |
+
|
| 2065 |
+
$z->seek($position, $whence);
|
| 2066 |
+
seek($z, $position, $whence);
|
| 2067 |
+
|
| 2068 |
+
Provides a sub-set of the C<seek> functionality, with the restriction
|
| 2069 |
+
that it is only legal to seek forward in the output file/buffer.
|
| 2070 |
+
It is a fatal error to attempt to seek backward.
|
| 2071 |
+
|
| 2072 |
+
Empty parts of the file/buffer will have NULL (0x00) bytes written to them.
|
| 2073 |
+
|
| 2074 |
+
The C<$whence> parameter takes one the usual values, namely SEEK_SET,
|
| 2075 |
+
SEEK_CUR or SEEK_END.
|
| 2076 |
+
|
| 2077 |
+
Returns 1 on success, 0 on failure.
|
| 2078 |
+
|
| 2079 |
+
=head2 binmode
|
| 2080 |
+
|
| 2081 |
+
Usage is
|
| 2082 |
+
|
| 2083 |
+
$z->binmode
|
| 2084 |
+
binmode $z ;
|
| 2085 |
+
|
| 2086 |
+
This is a noop provided for completeness.
|
| 2087 |
+
|
| 2088 |
+
=head2 opened
|
| 2089 |
+
|
| 2090 |
+
$z->opened()
|
| 2091 |
+
|
| 2092 |
+
Returns true if the object currently refers to a opened file/buffer.
|
| 2093 |
+
|
| 2094 |
+
=head2 autoflush
|
| 2095 |
+
|
| 2096 |
+
my $prev = $z->autoflush()
|
| 2097 |
+
my $prev = $z->autoflush(EXPR)
|
| 2098 |
+
|
| 2099 |
+
If the C<$z> object is associated with a file or a filehandle, this method
|
| 2100 |
+
returns the current autoflush setting for the underlying filehandle. If
|
| 2101 |
+
C<EXPR> is present, and is non-zero, it will enable flushing after every
|
| 2102 |
+
write/print operation.
|
| 2103 |
+
|
| 2104 |
+
If C<$z> is associated with a buffer, this method has no effect and always
|
| 2105 |
+
returns C<undef>.
|
| 2106 |
+
|
| 2107 |
+
B<Note> that the special variable C<$|> B<cannot> be used to set or
|
| 2108 |
+
retrieve the autoflush setting.
|
| 2109 |
+
|
| 2110 |
+
=head2 input_line_number
|
| 2111 |
+
|
| 2112 |
+
$z->input_line_number()
|
| 2113 |
+
$z->input_line_number(EXPR)
|
| 2114 |
+
|
| 2115 |
+
This method always returns C<undef> when compressing.
|
| 2116 |
+
|
| 2117 |
+
=head2 fileno
|
| 2118 |
+
|
| 2119 |
+
$z->fileno()
|
| 2120 |
+
fileno($z)
|
| 2121 |
+
|
| 2122 |
+
If the C<$z> object is associated with a file or a filehandle, C<fileno>
|
| 2123 |
+
will return the underlying file descriptor. Once the C<close> method is
|
| 2124 |
+
called C<fileno> will return C<undef>.
|
| 2125 |
+
|
| 2126 |
+
If the C<$z> object is associated with a buffer, this method will return
|
| 2127 |
+
C<undef>.
|
| 2128 |
+
|
| 2129 |
+
=head2 close
|
| 2130 |
+
|
| 2131 |
+
$z->close() ;
|
| 2132 |
+
close $z ;
|
| 2133 |
+
|
| 2134 |
+
Flushes any pending compressed data and then closes the output file/buffer.
|
| 2135 |
+
|
| 2136 |
+
For most versions of Perl this method will be automatically invoked if
|
| 2137 |
+
the IO::Compress::Zip object is destroyed (either explicitly or by the
|
| 2138 |
+
variable with the reference to the object going out of scope). The
|
| 2139 |
+
exceptions are Perl versions 5.005 through 5.00504 and 5.8.0. In
|
| 2140 |
+
these cases, the C<close> method will be called automatically, but
|
| 2141 |
+
not until global destruction of all live objects when the program is
|
| 2142 |
+
terminating.
|
| 2143 |
+
|
| 2144 |
+
Therefore, if you want your scripts to be able to run on all versions
|
| 2145 |
+
of Perl, you should call C<close> explicitly and not rely on automatic
|
| 2146 |
+
closing.
|
| 2147 |
+
|
| 2148 |
+
Returns true on success, otherwise 0.
|
| 2149 |
+
|
| 2150 |
+
If the C<AutoClose> option has been enabled when the IO::Compress::Zip
|
| 2151 |
+
object was created, and the object is associated with a file, the
|
| 2152 |
+
underlying file will also be closed.
|
| 2153 |
+
|
| 2154 |
+
=head2 newStream([OPTS])
|
| 2155 |
+
|
| 2156 |
+
Usage is
|
| 2157 |
+
|
| 2158 |
+
$z->newStream( [OPTS] )
|
| 2159 |
+
|
| 2160 |
+
Closes the current compressed data stream and starts a new one.
|
| 2161 |
+
|
| 2162 |
+
OPTS consists of any of the options that are available when creating
|
| 2163 |
+
the C<$z> object.
|
| 2164 |
+
|
| 2165 |
+
See the L</"Constructor Options"> section for more details.
|
| 2166 |
+
|
| 2167 |
+
=head2 deflateParams
|
| 2168 |
+
|
| 2169 |
+
Usage is
|
| 2170 |
+
|
| 2171 |
+
$z->deflateParams
|
| 2172 |
+
|
| 2173 |
+
TODO
|
| 2174 |
+
|
| 2175 |
+
=head1 Importing
|
| 2176 |
+
|
| 2177 |
+
A number of symbolic constants are required by some methods in
|
| 2178 |
+
C<IO::Compress::Zip>. None are imported by default.
|
| 2179 |
+
|
| 2180 |
+
=over 5
|
| 2181 |
+
|
| 2182 |
+
=item :all
|
| 2183 |
+
|
| 2184 |
+
Imports C<zip>, C<$ZipError> and all symbolic
|
| 2185 |
+
constants that can be used by C<IO::Compress::Zip>. Same as doing this
|
| 2186 |
+
|
| 2187 |
+
use IO::Compress::Zip qw(zip $ZipError :constants) ;
|
| 2188 |
+
|
| 2189 |
+
=item :constants
|
| 2190 |
+
|
| 2191 |
+
Import all symbolic constants. Same as doing this
|
| 2192 |
+
|
| 2193 |
+
use IO::Compress::Zip qw(:flush :level :strategy :zip_method) ;
|
| 2194 |
+
|
| 2195 |
+
=item :flush
|
| 2196 |
+
|
| 2197 |
+
These symbolic constants are used by the C<flush> method.
|
| 2198 |
+
|
| 2199 |
+
Z_NO_FLUSH
|
| 2200 |
+
Z_PARTIAL_FLUSH
|
| 2201 |
+
Z_SYNC_FLUSH
|
| 2202 |
+
Z_FULL_FLUSH
|
| 2203 |
+
Z_FINISH
|
| 2204 |
+
Z_BLOCK
|
| 2205 |
+
|
| 2206 |
+
=item :level
|
| 2207 |
+
|
| 2208 |
+
These symbolic constants are used by the C<Level> option in the constructor.
|
| 2209 |
+
|
| 2210 |
+
Z_NO_COMPRESSION
|
| 2211 |
+
Z_BEST_SPEED
|
| 2212 |
+
Z_BEST_COMPRESSION
|
| 2213 |
+
Z_DEFAULT_COMPRESSION
|
| 2214 |
+
|
| 2215 |
+
=item :strategy
|
| 2216 |
+
|
| 2217 |
+
These symbolic constants are used by the C<Strategy> option in the constructor.
|
| 2218 |
+
|
| 2219 |
+
Z_FILTERED
|
| 2220 |
+
Z_HUFFMAN_ONLY
|
| 2221 |
+
Z_RLE
|
| 2222 |
+
Z_FIXED
|
| 2223 |
+
Z_DEFAULT_STRATEGY
|
| 2224 |
+
|
| 2225 |
+
=item :zip_method
|
| 2226 |
+
|
| 2227 |
+
These symbolic constants are used by the C<Method> option in the
|
| 2228 |
+
constructor.
|
| 2229 |
+
|
| 2230 |
+
ZIP_CM_STORE
|
| 2231 |
+
ZIP_CM_DEFLATE
|
| 2232 |
+
ZIP_CM_BZIP2
|
| 2233 |
+
|
| 2234 |
+
=back
|
| 2235 |
+
|
| 2236 |
+
=head1 EXAMPLES
|
| 2237 |
+
|
| 2238 |
+
=head2 Apache::GZip Revisited
|
| 2239 |
+
|
| 2240 |
+
See L<IO::Compress::FAQ|IO::Compress::FAQ/"Apache::GZip Revisited">
|
| 2241 |
+
|
| 2242 |
+
=head2 Working with Net::FTP
|
| 2243 |
+
|
| 2244 |
+
See L<IO::Compress::FAQ|IO::Compress::FAQ/"Compressed files and Net::FTP">
|
| 2245 |
+
|
| 2246 |
+
=head1 SUPPORT
|
| 2247 |
+
|
| 2248 |
+
General feedback/questions/bug reports should be sent to
|
| 2249 |
+
L<https://github.com/pmqs/IO-Compress/issues> (preferred) or
|
| 2250 |
+
L<https://rt.cpan.org/Public/Dist/Display.html?Name=IO-Compress>.
|
| 2251 |
+
|
| 2252 |
+
=head1 SEE ALSO
|
| 2253 |
+
|
| 2254 |
+
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::Lzma>, L<IO::Uncompress::UnLzma>, L<IO::Compress::Xz>, L<IO::Uncompress::UnXz>, L<IO::Compress::Lzip>, L<IO::Uncompress::UnLzip>, L<IO::Compress::Lzop>, L<IO::Uncompress::UnLzop>, L<IO::Compress::Lzf>, L<IO::Uncompress::UnLzf>, L<IO::Compress::Zstd>, L<IO::Uncompress::UnZstd>, L<IO::Uncompress::AnyInflate>, L<IO::Uncompress::AnyUncompress>
|
| 2255 |
+
|
| 2256 |
+
L<IO::Compress::FAQ|IO::Compress::FAQ>
|
| 2257 |
+
|
| 2258 |
+
L<File::GlobMapper|File::GlobMapper>, L<Archive::Zip|Archive::Zip>,
|
| 2259 |
+
L<Archive::Tar|Archive::Tar>,
|
| 2260 |
+
L<IO::Zlib|IO::Zlib>
|
| 2261 |
+
|
| 2262 |
+
For RFC 1950, 1951 and 1952 see
|
| 2263 |
+
L<https://datatracker.ietf.org/doc/html/rfc1950>,
|
| 2264 |
+
L<https://datatracker.ietf.org/doc/html/rfc1951> and
|
| 2265 |
+
L<https://datatracker.ietf.org/doc/html/rfc1952>
|
| 2266 |
+
|
| 2267 |
+
The I<zlib> compression library was written by Jean-loup Gailly
|
| 2268 |
+
C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
|
| 2269 |
+
|
| 2270 |
+
The primary site for the I<zlib> compression library is
|
| 2271 |
+
L<http://www.zlib.org>.
|
| 2272 |
+
|
| 2273 |
+
The primary site for the I<zlib-ng> compression library is
|
| 2274 |
+
L<https://github.com/zlib-ng/zlib-ng>.
|
| 2275 |
+
|
| 2276 |
+
The primary site for gzip is L<http://www.gzip.org>.
|
| 2277 |
+
|
| 2278 |
+
=head1 AUTHOR
|
| 2279 |
+
|
| 2280 |
+
This module was written by Paul Marquess, C<pmqs@cpan.org>.
|
| 2281 |
+
|
| 2282 |
+
=head1 MODIFICATION HISTORY
|
| 2283 |
+
|
| 2284 |
+
See the Changes file.
|
| 2285 |
+
|
| 2286 |
+
=head1 COPYRIGHT AND LICENSE
|
| 2287 |
+
|
| 2288 |
+
Copyright (c) 2005-2024 Paul Marquess. All rights reserved.
|
| 2289 |
+
|
| 2290 |
+
This program is free software; you can redistribute it and/or
|
| 2291 |
+
modify it under the same terms as Perl itself.
|
git/usr/share/perl5/core_perl/IO/Socket/IP.pm
ADDED
|
@@ -0,0 +1,1293 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
| 1 |
+
# You may distribute under the terms of either the GNU General Public License
|
| 2 |
+
# or the Artistic License (the same terms as Perl itself)
|
| 3 |
+
#
|
| 4 |
+
# (C) Paul Evans, 2010-2024 -- leonerd@leonerd.org.uk
|
| 5 |
+
|
| 6 |
+
package IO::Socket::IP 0.43;
|
| 7 |
+
|
| 8 |
+
use v5.14;
|
| 9 |
+
use warnings;
|
| 10 |
+
|
| 11 |
+
use base qw( IO::Socket );
|
| 12 |
+
|
| 13 |
+
use Carp;
|
| 14 |
+
|
| 15 |
+
use Socket 1.97 qw(
|
| 16 |
+
getaddrinfo getnameinfo
|
| 17 |
+
sockaddr_family
|
| 18 |
+
AF_INET
|
| 19 |
+
AI_PASSIVE
|
| 20 |
+
IPPROTO_TCP IPPROTO_UDP
|
| 21 |
+
IPPROTO_IPV6 IPV6_V6ONLY
|
| 22 |
+
NI_DGRAM NI_NUMERICHOST NI_NUMERICSERV NIx_NOHOST NIx_NOSERV
|
| 23 |
+
SO_REUSEADDR SO_REUSEPORT SO_BROADCAST SO_ERROR
|
| 24 |
+
SOCK_DGRAM SOCK_STREAM
|
| 25 |
+
SOL_SOCKET
|
| 26 |
+
);
|
| 27 |
+
my $AF_INET6 = eval { Socket::AF_INET6() }; # may not be defined
|
| 28 |
+
my $AI_ADDRCONFIG = eval { Socket::AI_ADDRCONFIG() } || 0;
|
| 29 |
+
use POSIX qw( dup2 );
|
| 30 |
+
use Errno qw( EINVAL EINPROGRESS EISCONN ENOTCONN ETIMEDOUT EWOULDBLOCK EOPNOTSUPP );
|
| 31 |
+
|
| 32 |
+
use constant HAVE_MSWIN32 => ( $^O eq "MSWin32" );
|
| 33 |
+
|
| 34 |
+
# At least one OS (Android) is known not to have getprotobyname()
|
| 35 |
+
use constant HAVE_GETPROTOBYNAME => defined eval { getprotobyname( "tcp" ) };
|
| 36 |
+
|
| 37 |
+
my $IPv6_re = do {
|
| 38 |
+
# translation of RFC 3986 3.2.2 ABNF to re
|
| 39 |
+
my $IPv4address = do {
|
| 40 |
+
my $dec_octet = q<(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])>;
|
| 41 |
+
qq<$dec_octet(?: \\. $dec_octet){3}>;
|
| 42 |
+
};
|
| 43 |
+
my $IPv6address = do {
|
| 44 |
+
my $h16 = qq<[0-9A-Fa-f]{1,4}>;
|
| 45 |
+
my $ls32 = qq<(?: $h16 : $h16 | $IPv4address)>;
|
| 46 |
+
qq<(?:
|
| 47 |
+
(?: $h16 : ){6} $ls32
|
| 48 |
+
| :: (?: $h16 : ){5} $ls32
|
| 49 |
+
| (?: $h16 )? :: (?: $h16 : ){4} $ls32
|
| 50 |
+
| (?: (?: $h16 : ){0,1} $h16 )? :: (?: $h16 : ){3} $ls32
|
| 51 |
+
| (?: (?: $h16 : ){0,2} $h16 )? :: (?: $h16 : ){2} $ls32
|
| 52 |
+
| (?: (?: $h16 : ){0,3} $h16 )? :: $h16 : $ls32
|
| 53 |
+
| (?: (?: $h16 : ){0,4} $h16 )? :: $ls32
|
| 54 |
+
| (?: (?: $h16 : ){0,5} $h16 )? :: $h16
|
| 55 |
+
| (?: (?: $h16 : ){0,6} $h16 )? ::
|
| 56 |
+
)>
|
| 57 |
+
};
|
| 58 |
+
qr<$IPv6address>xo;
|
| 59 |
+
};
|
| 60 |
+
|
| 61 |
+
=head1 NAME
|
| 62 |
+
|
| 63 |
+
C<IO::Socket::IP> - Family-neutral IP socket supporting both IPv4 and IPv6
|
| 64 |
+
|
| 65 |
+
=head1 SYNOPSIS
|
| 66 |
+
|
| 67 |
+
=for highlighter language=perl
|
| 68 |
+
|
| 69 |
+
use IO::Socket::IP;
|
| 70 |
+
|
| 71 |
+
my $sock = IO::Socket::IP->new(
|
| 72 |
+
PeerHost => "www.google.com",
|
| 73 |
+
PeerPort => "http",
|
| 74 |
+
Type => SOCK_STREAM,
|
| 75 |
+
) or die "Cannot construct socket - $IO::Socket::errstr";
|
| 76 |
+
|
| 77 |
+
my $familyname = ( $sock->sockdomain == PF_INET6 ) ? "IPv6" :
|
| 78 |
+
( $sock->sockdomain == PF_INET ) ? "IPv4" :
|
| 79 |
+
"unknown";
|
| 80 |
+
|
| 81 |
+
printf "Connected to google via %s\n", $familyname;
|
| 82 |
+
|
| 83 |
+
=head1 DESCRIPTION
|
| 84 |
+
|
| 85 |
+
This module provides a protocol-independent way to use IPv4 and IPv6 sockets,
|
| 86 |
+
intended as a replacement for L<IO::Socket::INET>. Most constructor arguments
|
| 87 |
+
and methods are provided in a backward-compatible way. For a list of known
|
| 88 |
+
differences, see the C<IO::Socket::INET> INCOMPATIBILITIES section below.
|
| 89 |
+
|
| 90 |
+
It uses the C<getaddrinfo(3)> function to convert hostnames and service names
|
| 91 |
+
or port numbers into sets of possible addresses to connect to or listen on.
|
| 92 |
+
This allows it to work for IPv6 where the system supports it, while still
|
| 93 |
+
falling back to IPv4-only on systems which don't.
|
| 94 |
+
|
| 95 |
+
=head1 REPLACING C<IO::Socket> DEFAULT BEHAVIOUR
|
| 96 |
+
|
| 97 |
+
By placing C<-register> in the import list to C<IO::Socket::IP>, it will
|
| 98 |
+
register itself with L<IO::Socket> as the class that handles C<PF_INET>. It
|
| 99 |
+
will also ask to handle C<PF_INET6> as well, provided that constant is
|
| 100 |
+
available.
|
| 101 |
+
|
| 102 |
+
Changing C<IO::Socket>'s default behaviour means that calling the
|
| 103 |
+
C<IO::Socket> constructor with either C<PF_INET> or C<PF_INET6> as the
|
| 104 |
+
C<Domain> parameter will yield an C<IO::Socket::IP> object.
|
| 105 |
+
|
| 106 |
+
use IO::Socket::IP -register;
|
| 107 |
+
|
| 108 |
+
my $sock = IO::Socket->new(
|
| 109 |
+
Domain => PF_INET6,
|
| 110 |
+
LocalHost => "::1",
|
| 111 |
+
Listen => 1,
|
| 112 |
+
) or die "Cannot create socket - $IO::Socket::errstr\n";
|
| 113 |
+
|
| 114 |
+
print "Created a socket of type " . ref($sock) . "\n";
|
| 115 |
+
|
| 116 |
+
Note that C<-register> is a global setting that applies to the entire program;
|
| 117 |
+
it cannot be applied only for certain callers, removed, or limited by lexical
|
| 118 |
+
scope.
|
| 119 |
+
|
| 120 |
+
=cut
|
| 121 |
+
|
| 122 |
+
sub import
|
| 123 |
+
{
|
| 124 |
+
my $pkg = shift;
|
| 125 |
+
my @symbols;
|
| 126 |
+
|
| 127 |
+
foreach ( @_ ) {
|
| 128 |
+
if( $_ eq "-register" ) {
|
| 129 |
+
IO::Socket::IP::_ForINET->register_domain( AF_INET );
|
| 130 |
+
IO::Socket::IP::_ForINET6->register_domain( $AF_INET6 ) if defined $AF_INET6;
|
| 131 |
+
}
|
| 132 |
+
else {
|
| 133 |
+
push @symbols, $_;
|
| 134 |
+
}
|
| 135 |
+
}
|
| 136 |
+
|
| 137 |
+
@_ = ( $pkg, @symbols );
|
| 138 |
+
goto &IO::Socket::import;
|
| 139 |
+
}
|
| 140 |
+
|
| 141 |
+
# Convenient capability test function
|
| 142 |
+
{
|
| 143 |
+
my $can_disable_v6only;
|
| 144 |
+
sub CAN_DISABLE_V6ONLY
|
| 145 |
+
{
|
| 146 |
+
return $can_disable_v6only if defined $can_disable_v6only;
|
| 147 |
+
|
| 148 |
+
socket my $testsock, Socket::PF_INET6(), SOCK_STREAM, 0 or
|
| 149 |
+
die "Cannot socket(PF_INET6) - $!";
|
| 150 |
+
|
| 151 |
+
if( setsockopt $testsock, IPPROTO_IPV6, IPV6_V6ONLY, 0 ) {
|
| 152 |
+
if( $^O eq "dragonfly") {
|
| 153 |
+
# dragonflybsd 6.4 lies about successfully turning this off
|
| 154 |
+
if( getsockopt $testsock, IPPROTO_IPV6, IPV6_V6ONLY ) {
|
| 155 |
+
return $can_disable_v6only = 0;
|
| 156 |
+
}
|
| 157 |
+
}
|
| 158 |
+
return $can_disable_v6only = 1;
|
| 159 |
+
}
|
| 160 |
+
elsif( $! == EINVAL || $! == EOPNOTSUPP ) {
|
| 161 |
+
return $can_disable_v6only = 0;
|
| 162 |
+
}
|
| 163 |
+
else {
|
| 164 |
+
die "Cannot setsockopt() - $!";
|
| 165 |
+
}
|
| 166 |
+
}
|
| 167 |
+
}
|
| 168 |
+
|
| 169 |
+
=head1 CONSTRUCTORS
|
| 170 |
+
|
| 171 |
+
=cut
|
| 172 |
+
|
| 173 |
+
=head2 new
|
| 174 |
+
|
| 175 |
+
$sock = IO::Socket::IP->new( %args )
|
| 176 |
+
|
| 177 |
+
Creates a new C<IO::Socket::IP> object, containing a newly created socket
|
| 178 |
+
handle according to the named arguments passed. The recognised arguments are:
|
| 179 |
+
|
| 180 |
+
=over 8
|
| 181 |
+
|
| 182 |
+
=item PeerHost => STRING
|
| 183 |
+
|
| 184 |
+
=item PeerService => STRING
|
| 185 |
+
|
| 186 |
+
Hostname and service name for the peer to C<connect()> to. The service name
|
| 187 |
+
may be given as a port number, as a decimal string.
|
| 188 |
+
|
| 189 |
+
=item PeerAddr => STRING
|
| 190 |
+
|
| 191 |
+
=item PeerPort => STRING
|
| 192 |
+
|
| 193 |
+
For symmetry with the accessor methods and compatibility with
|
| 194 |
+
C<IO::Socket::INET>, these are accepted as synonyms for C<PeerHost> and
|
| 195 |
+
C<PeerService> respectively.
|
| 196 |
+
|
| 197 |
+
=item PeerAddrInfo => ARRAY
|
| 198 |
+
|
| 199 |
+
Alternate form of specifying the peer to C<connect()> to. This should be an
|
| 200 |
+
array of the form returned by C<Socket::getaddrinfo>.
|
| 201 |
+
|
| 202 |
+
This parameter takes precedence over the C<Peer*>, C<Family>, C<Type> and
|
| 203 |
+
C<Proto> arguments.
|
| 204 |
+
|
| 205 |
+
=item LocalHost => STRING
|
| 206 |
+
|
| 207 |
+
=item LocalService => STRING
|
| 208 |
+
|
| 209 |
+
Hostname and service name for the local address to C<bind()> to.
|
| 210 |
+
|
| 211 |
+
=item LocalAddr => STRING
|
| 212 |
+
|
| 213 |
+
=item LocalPort => STRING
|
| 214 |
+
|
| 215 |
+
For symmetry with the accessor methods and compatibility with
|
| 216 |
+
C<IO::Socket::INET>, these are accepted as synonyms for C<LocalHost> and
|
| 217 |
+
C<LocalService> respectively.
|
| 218 |
+
|
| 219 |
+
=item LocalAddrInfo => ARRAY
|
| 220 |
+
|
| 221 |
+
Alternate form of specifying the local address to C<bind()> to. This should be
|
| 222 |
+
an array of the form returned by C<Socket::getaddrinfo>.
|
| 223 |
+
|
| 224 |
+
This parameter takes precedence over the C<Local*>, C<Family>, C<Type> and
|
| 225 |
+
C<Proto> arguments.
|
| 226 |
+
|
| 227 |
+
=item Family => INT
|
| 228 |
+
|
| 229 |
+
The address family to pass to C<getaddrinfo> (e.g. C<AF_INET>, C<AF_INET6>).
|
| 230 |
+
Normally this will be left undefined, and C<getaddrinfo> will search using any
|
| 231 |
+
address family supported by the system.
|
| 232 |
+
|
| 233 |
+
=item Type => INT
|
| 234 |
+
|
| 235 |
+
The socket type to pass to C<getaddrinfo> (e.g. C<SOCK_STREAM>,
|
| 236 |
+
C<SOCK_DGRAM>). Normally defined by the caller; if left undefined
|
| 237 |
+
C<getaddrinfo> may attempt to infer the type from the service name.
|
| 238 |
+
|
| 239 |
+
=item Proto => STRING or INT
|
| 240 |
+
|
| 241 |
+
The IP protocol to use for the socket (e.g. C<'tcp'>, C<IPPROTO_TCP>,
|
| 242 |
+
C<'udp'>,C<IPPROTO_UDP>). Normally this will be left undefined, and either
|
| 243 |
+
C<getaddrinfo> or the kernel will choose an appropriate value. May be given
|
| 244 |
+
either in string name or numeric form.
|
| 245 |
+
|
| 246 |
+
=item GetAddrInfoFlags => INT
|
| 247 |
+
|
| 248 |
+
More flags to pass to the C<getaddrinfo()> function. If not supplied, a
|
| 249 |
+
default of C<AI_ADDRCONFIG> will be used.
|
| 250 |
+
|
| 251 |
+
These flags will be combined with C<AI_PASSIVE> if the C<Listen> argument is
|
| 252 |
+
given. For more information see the documentation about C<getaddrinfo()> in
|
| 253 |
+
the L<Socket> module.
|
| 254 |
+
|
| 255 |
+
=item Listen => INT
|
| 256 |
+
|
| 257 |
+
If defined, puts the socket into listening mode where new connections can be
|
| 258 |
+
accepted using the C<accept> method. The value given is used as the
|
| 259 |
+
C<listen(2)> queue size.
|
| 260 |
+
|
| 261 |
+
=item ReuseAddr => BOOL
|
| 262 |
+
|
| 263 |
+
If true, set the C<SO_REUSEADDR> sockopt
|
| 264 |
+
|
| 265 |
+
=item ReusePort => BOOL
|
| 266 |
+
|
| 267 |
+
If true, set the C<SO_REUSEPORT> sockopt (not all OSes implement this sockopt)
|
| 268 |
+
|
| 269 |
+
=item Broadcast => BOOL
|
| 270 |
+
|
| 271 |
+
If true, set the C<SO_BROADCAST> sockopt
|
| 272 |
+
|
| 273 |
+
=item Sockopts => ARRAY
|
| 274 |
+
|
| 275 |
+
An optional array of other socket options to apply after the three listed
|
| 276 |
+
above. The value is an ARRAY containing 2- or 3-element ARRAYrefs. Each inner
|
| 277 |
+
array relates to a single option, giving the level and option name, and an
|
| 278 |
+
optional value. If the value element is missing, it will be given the value of
|
| 279 |
+
a platform-sized integer 1 constant (i.e. suitable to enable most of the
|
| 280 |
+
common boolean options).
|
| 281 |
+
|
| 282 |
+
For example, both options given below are equivalent to setting C<ReuseAddr>.
|
| 283 |
+
|
| 284 |
+
Sockopts => [
|
| 285 |
+
[ SOL_SOCKET, SO_REUSEADDR ],
|
| 286 |
+
[ SOL_SOCKET, SO_REUSEADDR, pack( "i", 1 ) ],
|
| 287 |
+
]
|
| 288 |
+
|
| 289 |
+
=item V6Only => BOOL
|
| 290 |
+
|
| 291 |
+
If defined, set the C<IPV6_V6ONLY> sockopt when creating C<PF_INET6> sockets
|
| 292 |
+
to the given value. If true, a listening-mode socket will only listen on the
|
| 293 |
+
C<AF_INET6> addresses; if false it will also accept connections from
|
| 294 |
+
C<AF_INET> addresses.
|
| 295 |
+
|
| 296 |
+
If not defined, the socket option will not be changed, and default value set
|
| 297 |
+
by the operating system will apply. For repeatable behaviour across platforms
|
| 298 |
+
it is recommended this value always be defined for listening-mode sockets.
|
| 299 |
+
|
| 300 |
+
Note that not all platforms support disabling this option. Some, at least
|
| 301 |
+
OpenBSD and MirBSD, will fail with C<EINVAL> if you attempt to disable it.
|
| 302 |
+
To determine whether it is possible to disable, you may use the class method
|
| 303 |
+
|
| 304 |
+
if( IO::Socket::IP->CAN_DISABLE_V6ONLY ) {
|
| 305 |
+
...
|
| 306 |
+
}
|
| 307 |
+
else {
|
| 308 |
+
...
|
| 309 |
+
}
|
| 310 |
+
|
| 311 |
+
If your platform does not support disabling this option but you still want to
|
| 312 |
+
listen for both C<AF_INET> and C<AF_INET6> connections you will have to create
|
| 313 |
+
two listening sockets, one bound to each protocol.
|
| 314 |
+
|
| 315 |
+
=item MultiHomed
|
| 316 |
+
|
| 317 |
+
This C<IO::Socket::INET>-style argument is ignored, except if it is defined
|
| 318 |
+
but false. See the C<IO::Socket::INET> INCOMPATIBILITIES section below.
|
| 319 |
+
|
| 320 |
+
However, the behaviour it enables is always performed by C<IO::Socket::IP>.
|
| 321 |
+
|
| 322 |
+
=item Blocking => BOOL
|
| 323 |
+
|
| 324 |
+
If defined but false, the socket will be set to non-blocking mode. Otherwise
|
| 325 |
+
it will default to blocking mode. See the NON-BLOCKING section below for more
|
| 326 |
+
detail.
|
| 327 |
+
|
| 328 |
+
=item Timeout => NUM
|
| 329 |
+
|
| 330 |
+
If defined, gives a maximum time in seconds to block per C<connect()> call
|
| 331 |
+
when in blocking mode. If missing, no timeout is applied other than that
|
| 332 |
+
provided by the underlying operating system. When in non-blocking mode this
|
| 333 |
+
parameter is ignored.
|
| 334 |
+
|
| 335 |
+
Note that if the hostname resolves to multiple address candidates, the same
|
| 336 |
+
timeout will apply to each connection attempt individually, rather than to the
|
| 337 |
+
operation as a whole. Further note that the timeout does not apply to the
|
| 338 |
+
initial hostname resolve operation, if connecting by hostname.
|
| 339 |
+
|
| 340 |
+
This behaviour is copied inspired by C<IO::Socket::INET>; for more fine
|
| 341 |
+
grained control over connection timeouts, consider performing a nonblocking
|
| 342 |
+
connect directly.
|
| 343 |
+
|
| 344 |
+
=back
|
| 345 |
+
|
| 346 |
+
If neither C<Type> nor C<Proto> hints are provided, a default of
|
| 347 |
+
C<SOCK_STREAM> and C<IPPROTO_TCP> respectively will be set, to maintain
|
| 348 |
+
compatibility with C<IO::Socket::INET>. Other named arguments that are not
|
| 349 |
+
recognised are ignored.
|
| 350 |
+
|
| 351 |
+
If neither C<Family> nor any hosts or addresses are passed, nor any
|
| 352 |
+
C<*AddrInfo>, then the constructor has no information on which to decide a
|
| 353 |
+
socket family to create. In this case, it performs a C<getaddrinfo> call with
|
| 354 |
+
the C<AI_ADDRCONFIG> flag, no host name, and a service name of C<"0">, and
|
| 355 |
+
uses the family of the first returned result.
|
| 356 |
+
|
| 357 |
+
If the constructor fails, it will set C<$IO::Socket::errstr> and C<$@> to
|
| 358 |
+
an appropriate error message; this may be from C<$!> or it may be some other
|
| 359 |
+
string; not every failure necessarily has an associated C<errno> value.
|
| 360 |
+
|
| 361 |
+
=head2 new (one arg)
|
| 362 |
+
|
| 363 |
+
$sock = IO::Socket::IP->new( $peeraddr )
|
| 364 |
+
|
| 365 |
+
As a special case, if the constructor is passed a single argument (as
|
| 366 |
+
opposed to an even-sized list of key/value pairs), it is taken to be the value
|
| 367 |
+
of the C<PeerAddr> parameter. This is parsed in the same way, according to the
|
| 368 |
+
behaviour given in the C<PeerHost> AND C<LocalHost> PARSING section below.
|
| 369 |
+
|
| 370 |
+
=cut
|
| 371 |
+
|
| 372 |
+
sub new
|
| 373 |
+
{
|
| 374 |
+
my $class = shift;
|
| 375 |
+
my %arg = (@_ == 1) ? (PeerHost => $_[0]) : @_;
|
| 376 |
+
return $class->SUPER::new(%arg);
|
| 377 |
+
}
|
| 378 |
+
|
| 379 |
+
# IO::Socket may call this one; neaten up the arguments from IO::Socket::INET
|
| 380 |
+
# before calling our real _configure method
|
| 381 |
+
sub configure
|
| 382 |
+
{
|
| 383 |
+
my $self = shift;
|
| 384 |
+
my ( $arg ) = @_;
|
| 385 |
+
|
| 386 |
+
$arg->{PeerHost} = delete $arg->{PeerAddr}
|
| 387 |
+
if exists $arg->{PeerAddr} && !exists $arg->{PeerHost};
|
| 388 |
+
|
| 389 |
+
$arg->{PeerService} = delete $arg->{PeerPort}
|
| 390 |
+
if exists $arg->{PeerPort} && !exists $arg->{PeerService};
|
| 391 |
+
|
| 392 |
+
$arg->{LocalHost} = delete $arg->{LocalAddr}
|
| 393 |
+
if exists $arg->{LocalAddr} && !exists $arg->{LocalHost};
|
| 394 |
+
|
| 395 |
+
$arg->{LocalService} = delete $arg->{LocalPort}
|
| 396 |
+
if exists $arg->{LocalPort} && !exists $arg->{LocalService};
|
| 397 |
+
|
| 398 |
+
for my $type (qw(Peer Local)) {
|
| 399 |
+
my $host = $type . 'Host';
|
| 400 |
+
my $service = $type . 'Service';
|
| 401 |
+
|
| 402 |
+
if( defined $arg->{$host} ) {
|
| 403 |
+
( $arg->{$host}, my $s ) = $self->split_addr( $arg->{$host} );
|
| 404 |
+
# IO::Socket::INET compat - *Host parsed port always takes precedence
|
| 405 |
+
$arg->{$service} = $s if defined $s;
|
| 406 |
+
}
|
| 407 |
+
}
|
| 408 |
+
|
| 409 |
+
$self->_io_socket_ip__configure( $arg );
|
| 410 |
+
}
|
| 411 |
+
|
| 412 |
+
# Avoid simply calling it _configure, as some subclasses of IO::Socket::INET on CPAN already take that
|
| 413 |
+
sub _io_socket_ip__configure
|
| 414 |
+
{
|
| 415 |
+
my $self = shift;
|
| 416 |
+
my ( $arg ) = @_;
|
| 417 |
+
|
| 418 |
+
my %hints;
|
| 419 |
+
my @localinfos;
|
| 420 |
+
my @peerinfos;
|
| 421 |
+
|
| 422 |
+
my $listenqueue = $arg->{Listen};
|
| 423 |
+
if( defined $listenqueue and
|
| 424 |
+
( defined $arg->{PeerHost} || defined $arg->{PeerService} || defined $arg->{PeerAddrInfo} ) ) {
|
| 425 |
+
croak "Cannot Listen with a peer address";
|
| 426 |
+
}
|
| 427 |
+
|
| 428 |
+
if( defined $arg->{GetAddrInfoFlags} ) {
|
| 429 |
+
$hints{flags} = $arg->{GetAddrInfoFlags};
|
| 430 |
+
}
|
| 431 |
+
else {
|
| 432 |
+
$hints{flags} = $AI_ADDRCONFIG;
|
| 433 |
+
}
|
| 434 |
+
|
| 435 |
+
if( defined( my $family = $arg->{Family} ) ) {
|
| 436 |
+
$hints{family} = $family;
|
| 437 |
+
}
|
| 438 |
+
|
| 439 |
+
if( defined( my $type = $arg->{Type} ) ) {
|
| 440 |
+
$hints{socktype} = $type;
|
| 441 |
+
}
|
| 442 |
+
|
| 443 |
+
if( defined( my $proto = $arg->{Proto} ) ) {
|
| 444 |
+
unless( $proto =~ m/^\d+$/ ) {
|
| 445 |
+
my $protonum = HAVE_GETPROTOBYNAME
|
| 446 |
+
? getprotobyname( $proto )
|
| 447 |
+
: eval { Socket->${\"IPPROTO_\U$proto"}() };
|
| 448 |
+
defined $protonum or croak "Unrecognised protocol $proto";
|
| 449 |
+
$proto = $protonum;
|
| 450 |
+
}
|
| 451 |
+
|
| 452 |
+
$hints{protocol} = $proto;
|
| 453 |
+
}
|
| 454 |
+
|
| 455 |
+
# To maintain compatibility with IO::Socket::INET, imply a default of
|
| 456 |
+
# SOCK_STREAM + IPPROTO_TCP if neither hint is given
|
| 457 |
+
if( !defined $hints{socktype} and !defined $hints{protocol} ) {
|
| 458 |
+
$hints{socktype} = SOCK_STREAM;
|
| 459 |
+
$hints{protocol} = IPPROTO_TCP;
|
| 460 |
+
}
|
| 461 |
+
|
| 462 |
+
# Some OSes (NetBSD) don't seem to like just a protocol hint without a
|
| 463 |
+
# socktype hint as well. We'll set a couple of common ones
|
| 464 |
+
if( !defined $hints{socktype} and defined $hints{protocol} ) {
|
| 465 |
+
$hints{socktype} = SOCK_STREAM if $hints{protocol} == IPPROTO_TCP;
|
| 466 |
+
$hints{socktype} = SOCK_DGRAM if $hints{protocol} == IPPROTO_UDP;
|
| 467 |
+
}
|
| 468 |
+
|
| 469 |
+
if( my $info = $arg->{LocalAddrInfo} ) {
|
| 470 |
+
ref $info eq "ARRAY" or croak "Expected 'LocalAddrInfo' to be an ARRAY ref";
|
| 471 |
+
@localinfos = @$info;
|
| 472 |
+
}
|
| 473 |
+
elsif( defined $arg->{LocalHost} or
|
| 474 |
+
defined $arg->{LocalService} or
|
| 475 |
+
HAVE_MSWIN32 and $arg->{Listen} ) {
|
| 476 |
+
# Either may be undef
|
| 477 |
+
my $host = $arg->{LocalHost};
|
| 478 |
+
my $service = $arg->{LocalService};
|
| 479 |
+
|
| 480 |
+
unless ( defined $host or defined $service ) {
|
| 481 |
+
$service = 0;
|
| 482 |
+
}
|
| 483 |
+
|
| 484 |
+
local $1; # Placate a taint-related bug; [perl #67962]
|
| 485 |
+
defined $service and $service =~ s/\((\d+)\)$// and
|
| 486 |
+
my $fallback_port = $1;
|
| 487 |
+
|
| 488 |
+
my %localhints = %hints;
|
| 489 |
+
$localhints{flags} |= AI_PASSIVE;
|
| 490 |
+
( my $err, @localinfos ) = getaddrinfo( $host, $service, \%localhints );
|
| 491 |
+
|
| 492 |
+
if( $err and defined $fallback_port ) {
|
| 493 |
+
( $err, @localinfos ) = getaddrinfo( $host, $fallback_port, \%localhints );
|
| 494 |
+
}
|
| 495 |
+
|
| 496 |
+
if( $err ) {
|
| 497 |
+
$IO::Socket::errstr = $@ = "$err";
|
| 498 |
+
$! = EINVAL;
|
| 499 |
+
return;
|
| 500 |
+
}
|
| 501 |
+
}
|
| 502 |
+
|
| 503 |
+
if( my $info = $arg->{PeerAddrInfo} ) {
|
| 504 |
+
ref $info eq "ARRAY" or croak "Expected 'PeerAddrInfo' to be an ARRAY ref";
|
| 505 |
+
@peerinfos = @$info;
|
| 506 |
+
}
|
| 507 |
+
elsif( defined $arg->{PeerHost} or defined $arg->{PeerService} ) {
|
| 508 |
+
defined( my $host = $arg->{PeerHost} ) or
|
| 509 |
+
croak "Expected 'PeerHost'";
|
| 510 |
+
defined( my $service = $arg->{PeerService} ) or
|
| 511 |
+
croak "Expected 'PeerService'";
|
| 512 |
+
|
| 513 |
+
local $1; # Placate a taint-related bug; [perl #67962]
|
| 514 |
+
defined $service and $service =~ s/\((\d+)\)$// and
|
| 515 |
+
my $fallback_port = $1;
|
| 516 |
+
|
| 517 |
+
( my $err, @peerinfos ) = getaddrinfo( $host, $service, \%hints );
|
| 518 |
+
|
| 519 |
+
if( $err and defined $fallback_port ) {
|
| 520 |
+
( $err, @peerinfos ) = getaddrinfo( $host, $fallback_port, \%hints );
|
| 521 |
+
}
|
| 522 |
+
|
| 523 |
+
if( $err ) {
|
| 524 |
+
$IO::Socket::errstr = $@ = "$err";
|
| 525 |
+
$! = EINVAL;
|
| 526 |
+
return;
|
| 527 |
+
}
|
| 528 |
+
}
|
| 529 |
+
|
| 530 |
+
my $INT_1 = pack "i", 1;
|
| 531 |
+
|
| 532 |
+
my @sockopts_enabled;
|
| 533 |
+
push @sockopts_enabled, [ SOL_SOCKET, SO_REUSEADDR, $INT_1 ] if $arg->{ReuseAddr};
|
| 534 |
+
push @sockopts_enabled, [ SOL_SOCKET, SO_REUSEPORT, $INT_1 ] if $arg->{ReusePort};
|
| 535 |
+
push @sockopts_enabled, [ SOL_SOCKET, SO_BROADCAST, $INT_1 ] if $arg->{Broadcast};
|
| 536 |
+
|
| 537 |
+
if( my $sockopts = $arg->{Sockopts} ) {
|
| 538 |
+
ref $sockopts eq "ARRAY" or croak "Expected 'Sockopts' to be an ARRAY ref";
|
| 539 |
+
foreach ( @$sockopts ) {
|
| 540 |
+
ref $_ eq "ARRAY" or croak "Bad Sockopts item - expected ARRAYref";
|
| 541 |
+
@$_ >= 2 and @$_ <= 3 or
|
| 542 |
+
croak "Bad Sockopts item - expected 2 or 3 elements";
|
| 543 |
+
|
| 544 |
+
my ( $level, $optname, $value ) = @$_;
|
| 545 |
+
# TODO: consider more sanity checking on argument values
|
| 546 |
+
|
| 547 |
+
defined $value or $value = $INT_1;
|
| 548 |
+
push @sockopts_enabled, [ $level, $optname, $value ];
|
| 549 |
+
}
|
| 550 |
+
}
|
| 551 |
+
|
| 552 |
+
my $blocking = $arg->{Blocking};
|
| 553 |
+
defined $blocking or $blocking = 1;
|
| 554 |
+
|
| 555 |
+
my $v6only = $arg->{V6Only};
|
| 556 |
+
|
| 557 |
+
# IO::Socket::INET defines this key. IO::Socket::IP always implements the
|
| 558 |
+
# behaviour it requests, so we can ignore it, unless the caller is for some
|
| 559 |
+
# reason asking to disable it.
|
| 560 |
+
if( defined $arg->{MultiHomed} and !$arg->{MultiHomed} ) {
|
| 561 |
+
croak "Cannot disable the MultiHomed parameter";
|
| 562 |
+
}
|
| 563 |
+
|
| 564 |
+
my @infos;
|
| 565 |
+
foreach my $local ( @localinfos ? @localinfos : {} ) {
|
| 566 |
+
foreach my $peer ( @peerinfos ? @peerinfos : {} ) {
|
| 567 |
+
next if defined $local->{family} and defined $peer->{family} and
|
| 568 |
+
$local->{family} != $peer->{family};
|
| 569 |
+
next if defined $local->{socktype} and defined $peer->{socktype} and
|
| 570 |
+
$local->{socktype} != $peer->{socktype};
|
| 571 |
+
next if defined $local->{protocol} and defined $peer->{protocol} and
|
| 572 |
+
$local->{protocol} != $peer->{protocol};
|
| 573 |
+
|
| 574 |
+
my $family = $local->{family} || $peer->{family} or next;
|
| 575 |
+
my $socktype = $local->{socktype} || $peer->{socktype} or next;
|
| 576 |
+
my $protocol = $local->{protocol} || $peer->{protocol} || 0;
|
| 577 |
+
|
| 578 |
+
push @infos, {
|
| 579 |
+
family => $family,
|
| 580 |
+
socktype => $socktype,
|
| 581 |
+
protocol => $protocol,
|
| 582 |
+
localaddr => $local->{addr},
|
| 583 |
+
peeraddr => $peer->{addr},
|
| 584 |
+
};
|
| 585 |
+
}
|
| 586 |
+
}
|
| 587 |
+
|
| 588 |
+
if( !@infos ) {
|
| 589 |
+
# If there was a Family hint then create a plain unbound, unconnected socket
|
| 590 |
+
if( defined $hints{family} ) {
|
| 591 |
+
@infos = ( {
|
| 592 |
+
family => $hints{family},
|
| 593 |
+
socktype => $hints{socktype},
|
| 594 |
+
protocol => $hints{protocol},
|
| 595 |
+
} );
|
| 596 |
+
}
|
| 597 |
+
# If there wasn't, use getaddrinfo()'s AI_ADDRCONFIG side-effect to guess a
|
| 598 |
+
# suitable family first.
|
| 599 |
+
else {
|
| 600 |
+
( my $err, @infos ) = getaddrinfo( "", "0", \%hints );
|
| 601 |
+
if( $err ) {
|
| 602 |
+
$IO::Socket::errstr = $@ = "$err";
|
| 603 |
+
$! = EINVAL;
|
| 604 |
+
return;
|
| 605 |
+
}
|
| 606 |
+
|
| 607 |
+
# We'll take all the @infos anyway, because some OSes (HPUX) are known to
|
| 608 |
+
# ignore the AI_ADDRCONFIG hint and return AF_INET6 even if they don't
|
| 609 |
+
# support them
|
| 610 |
+
}
|
| 611 |
+
}
|
| 612 |
+
|
| 613 |
+
# In the nonblocking case, caller will be calling ->setup multiple times.
|
| 614 |
+
# Store configuration in the object for the ->setup method
|
| 615 |
+
# Yes, these are messy. Sorry, I can't help that...
|
| 616 |
+
|
| 617 |
+
${*$self}{io_socket_ip_infos} = \@infos;
|
| 618 |
+
|
| 619 |
+
${*$self}{io_socket_ip_idx} = -1;
|
| 620 |
+
|
| 621 |
+
${*$self}{io_socket_ip_sockopts} = \@sockopts_enabled;
|
| 622 |
+
${*$self}{io_socket_ip_v6only} = $v6only;
|
| 623 |
+
${*$self}{io_socket_ip_listenqueue} = $listenqueue;
|
| 624 |
+
${*$self}{io_socket_ip_blocking} = $blocking;
|
| 625 |
+
|
| 626 |
+
${*$self}{io_socket_ip_errors} = [ undef, undef, undef ];
|
| 627 |
+
|
| 628 |
+
# ->setup is allowed to return false in nonblocking mode
|
| 629 |
+
$self->setup or !$blocking or return undef;
|
| 630 |
+
|
| 631 |
+
return $self;
|
| 632 |
+
}
|
| 633 |
+
|
| 634 |
+
sub setup
|
| 635 |
+
{
|
| 636 |
+
my $self = shift;
|
| 637 |
+
|
| 638 |
+
while(1) {
|
| 639 |
+
${*$self}{io_socket_ip_idx}++;
|
| 640 |
+
last if ${*$self}{io_socket_ip_idx} >= @{ ${*$self}{io_socket_ip_infos} };
|
| 641 |
+
|
| 642 |
+
my $info = ${*$self}{io_socket_ip_infos}->[${*$self}{io_socket_ip_idx}];
|
| 643 |
+
|
| 644 |
+
$self->socket( @{$info}{qw( family socktype protocol )} ) or
|
| 645 |
+
( ${*$self}{io_socket_ip_errors}[2] = $!, next );
|
| 646 |
+
|
| 647 |
+
$self->blocking( 0 ) unless ${*$self}{io_socket_ip_blocking};
|
| 648 |
+
|
| 649 |
+
foreach my $sockopt ( @{ ${*$self}{io_socket_ip_sockopts} } ) {
|
| 650 |
+
my ( $level, $optname, $value ) = @$sockopt;
|
| 651 |
+
$self->setsockopt( $level, $optname, $value ) or
|
| 652 |
+
( $IO::Socket::errstr = $@ = "$!", return undef );
|
| 653 |
+
}
|
| 654 |
+
|
| 655 |
+
if( defined ${*$self}{io_socket_ip_v6only} and defined $AF_INET6 and $info->{family} == $AF_INET6 ) {
|
| 656 |
+
my $v6only = ${*$self}{io_socket_ip_v6only};
|
| 657 |
+
$self->setsockopt( IPPROTO_IPV6, IPV6_V6ONLY, pack "i", $v6only ) or
|
| 658 |
+
( $IO::Socket::errstr = $@ = "$!", return undef );
|
| 659 |
+
}
|
| 660 |
+
|
| 661 |
+
if( defined( my $addr = $info->{localaddr} ) ) {
|
| 662 |
+
$self->bind( $addr ) or
|
| 663 |
+
( ${*$self}{io_socket_ip_errors}[1] = $!, next );
|
| 664 |
+
}
|
| 665 |
+
|
| 666 |
+
if( defined( my $listenqueue = ${*$self}{io_socket_ip_listenqueue} ) ) {
|
| 667 |
+
$self->listen( $listenqueue ) or
|
| 668 |
+
( $IO::Socket::errstr = $@ = "$!", return undef );
|
| 669 |
+
}
|
| 670 |
+
|
| 671 |
+
if( defined( my $addr = $info->{peeraddr} ) ) {
|
| 672 |
+
if( $self->connect( $addr ) ) {
|
| 673 |
+
$! = 0;
|
| 674 |
+
return 1;
|
| 675 |
+
}
|
| 676 |
+
|
| 677 |
+
if( $! == EINPROGRESS or $! == EWOULDBLOCK ) {
|
| 678 |
+
${*$self}{io_socket_ip_connect_in_progress} = 1;
|
| 679 |
+
return 0;
|
| 680 |
+
}
|
| 681 |
+
|
| 682 |
+
# If connect failed but we have no system error there must be an error
|
| 683 |
+
# at the application layer, like a bad certificate with
|
| 684 |
+
# IO::Socket::SSL.
|
| 685 |
+
# In this case don't continue IP based multi-homing because the problem
|
| 686 |
+
# cannot be solved at the IP layer.
|
| 687 |
+
return 0 if ! $!;
|
| 688 |
+
|
| 689 |
+
${*$self}{io_socket_ip_errors}[0] = $!;
|
| 690 |
+
next;
|
| 691 |
+
}
|
| 692 |
+
|
| 693 |
+
return 1;
|
| 694 |
+
}
|
| 695 |
+
|
| 696 |
+
# Pick the most appropriate error, stringified
|
| 697 |
+
$! = ( grep defined, @{ ${*$self}{io_socket_ip_errors}} )[0];
|
| 698 |
+
$IO::Socket::errstr = $@ = "$!";
|
| 699 |
+
return undef;
|
| 700 |
+
}
|
| 701 |
+
|
| 702 |
+
sub connect :method
|
| 703 |
+
{
|
| 704 |
+
my $self = shift;
|
| 705 |
+
|
| 706 |
+
# It seems that IO::Socket hides EINPROGRESS errors, making them look like
|
| 707 |
+
# a success. This is annoying here.
|
| 708 |
+
# Instead of putting up with its frankly-irritating intentional breakage of
|
| 709 |
+
# useful APIs I'm just going to end-run around it and call core's connect()
|
| 710 |
+
# directly
|
| 711 |
+
|
| 712 |
+
if( @_ ) {
|
| 713 |
+
my ( $addr ) = @_;
|
| 714 |
+
|
| 715 |
+
# Annoyingly IO::Socket's connect() is where the timeout logic is
|
| 716 |
+
# implemented, so we'll have to reinvent it here
|
| 717 |
+
my $timeout = ${*$self}{'io_socket_timeout'};
|
| 718 |
+
|
| 719 |
+
return connect( $self, $addr ) unless defined $timeout;
|
| 720 |
+
|
| 721 |
+
my $was_blocking = $self->blocking( 0 );
|
| 722 |
+
|
| 723 |
+
my $err = defined connect( $self, $addr ) ? 0 : $!+0;
|
| 724 |
+
|
| 725 |
+
if( !$err ) {
|
| 726 |
+
# All happy
|
| 727 |
+
$self->blocking( $was_blocking );
|
| 728 |
+
return 1;
|
| 729 |
+
}
|
| 730 |
+
elsif( not( $err == EINPROGRESS or $err == EWOULDBLOCK ) ) {
|
| 731 |
+
# Failed for some other reason
|
| 732 |
+
$self->blocking( $was_blocking );
|
| 733 |
+
return undef;
|
| 734 |
+
}
|
| 735 |
+
elsif( !$was_blocking ) {
|
| 736 |
+
# We shouldn't block anyway
|
| 737 |
+
return undef;
|
| 738 |
+
}
|
| 739 |
+
|
| 740 |
+
my $vec = ''; vec( $vec, $self->fileno, 1 ) = 1;
|
| 741 |
+
if( !select( undef, $vec, $vec, $timeout ) ) {
|
| 742 |
+
$self->blocking( $was_blocking );
|
| 743 |
+
$! = ETIMEDOUT;
|
| 744 |
+
return undef;
|
| 745 |
+
}
|
| 746 |
+
|
| 747 |
+
# Hoist the error by connect()ing a second time
|
| 748 |
+
$err = $self->getsockopt( SOL_SOCKET, SO_ERROR );
|
| 749 |
+
$err = 0 if $err == EISCONN; # Some OSes give EISCONN
|
| 750 |
+
|
| 751 |
+
$self->blocking( $was_blocking );
|
| 752 |
+
|
| 753 |
+
$! = $err, return undef if $err;
|
| 754 |
+
return 1;
|
| 755 |
+
}
|
| 756 |
+
|
| 757 |
+
return 1 if !${*$self}{io_socket_ip_connect_in_progress};
|
| 758 |
+
|
| 759 |
+
# See if a connect attempt has just failed with an error
|
| 760 |
+
if( my $errno = $self->getsockopt( SOL_SOCKET, SO_ERROR ) ) {
|
| 761 |
+
delete ${*$self}{io_socket_ip_connect_in_progress};
|
| 762 |
+
${*$self}{io_socket_ip_errors}[0] = $! = $errno;
|
| 763 |
+
return $self->setup;
|
| 764 |
+
}
|
| 765 |
+
|
| 766 |
+
# No error, so either connect is still in progress, or has completed
|
| 767 |
+
# successfully. We can tell by trying to connect() again; either it will
|
| 768 |
+
# succeed or we'll get EISCONN (connected successfully), or EALREADY
|
| 769 |
+
# (still in progress). This even works on MSWin32.
|
| 770 |
+
my $addr = ${*$self}{io_socket_ip_infos}[${*$self}{io_socket_ip_idx}]{peeraddr};
|
| 771 |
+
|
| 772 |
+
if( connect( $self, $addr ) or $! == EISCONN ) {
|
| 773 |
+
delete ${*$self}{io_socket_ip_connect_in_progress};
|
| 774 |
+
$! = 0;
|
| 775 |
+
return 1;
|
| 776 |
+
}
|
| 777 |
+
else {
|
| 778 |
+
$! = EINPROGRESS;
|
| 779 |
+
return 0;
|
| 780 |
+
}
|
| 781 |
+
}
|
| 782 |
+
|
| 783 |
+
sub connected
|
| 784 |
+
{
|
| 785 |
+
my $self = shift;
|
| 786 |
+
return defined $self->fileno &&
|
| 787 |
+
!${*$self}{io_socket_ip_connect_in_progress} &&
|
| 788 |
+
defined getpeername( $self ); # ->peername caches, we need to detect disconnection
|
| 789 |
+
}
|
| 790 |
+
|
| 791 |
+
=head1 METHODS
|
| 792 |
+
|
| 793 |
+
As well as the following methods, this class inherits all the methods in
|
| 794 |
+
L<IO::Socket> and L<IO::Handle>.
|
| 795 |
+
|
| 796 |
+
=cut
|
| 797 |
+
|
| 798 |
+
sub _get_host_service
|
| 799 |
+
{
|
| 800 |
+
my $self = shift;
|
| 801 |
+
my ( $addr, $flags, $xflags ) = @_;
|
| 802 |
+
|
| 803 |
+
defined $addr or
|
| 804 |
+
$! = ENOTCONN, return;
|
| 805 |
+
|
| 806 |
+
$flags |= NI_DGRAM if $self->socktype == SOCK_DGRAM;
|
| 807 |
+
|
| 808 |
+
my ( $err, $host, $service ) = getnameinfo( $addr, $flags, $xflags || 0 );
|
| 809 |
+
croak "getnameinfo - $err" if $err;
|
| 810 |
+
|
| 811 |
+
return ( $host, $service );
|
| 812 |
+
}
|
| 813 |
+
|
| 814 |
+
sub _unpack_sockaddr
|
| 815 |
+
{
|
| 816 |
+
my ( $addr ) = @_;
|
| 817 |
+
my $family = sockaddr_family $addr;
|
| 818 |
+
|
| 819 |
+
if( $family == AF_INET ) {
|
| 820 |
+
return ( Socket::unpack_sockaddr_in( $addr ) )[1];
|
| 821 |
+
}
|
| 822 |
+
elsif( defined $AF_INET6 and $family == $AF_INET6 ) {
|
| 823 |
+
return ( Socket::unpack_sockaddr_in6( $addr ) )[1];
|
| 824 |
+
}
|
| 825 |
+
else {
|
| 826 |
+
croak "Unrecognised address family $family";
|
| 827 |
+
}
|
| 828 |
+
}
|
| 829 |
+
|
| 830 |
+
=head2 sockhost_service
|
| 831 |
+
|
| 832 |
+
( $host, $service ) = $sock->sockhost_service( $numeric );
|
| 833 |
+
|
| 834 |
+
Returns the hostname and service name of the local address (that is, the
|
| 835 |
+
socket address given by the C<sockname> method).
|
| 836 |
+
|
| 837 |
+
If C<$numeric> is true, these will be given in numeric form rather than being
|
| 838 |
+
resolved into names.
|
| 839 |
+
|
| 840 |
+
The following four convenience wrappers may be used to obtain one of the two
|
| 841 |
+
values returned here. If both host and service names are required, this method
|
| 842 |
+
is preferable to the following wrappers, because it will call
|
| 843 |
+
C<getnameinfo(3)> only once.
|
| 844 |
+
|
| 845 |
+
=cut
|
| 846 |
+
|
| 847 |
+
sub sockhost_service
|
| 848 |
+
{
|
| 849 |
+
my $self = shift;
|
| 850 |
+
my ( $numeric ) = @_;
|
| 851 |
+
|
| 852 |
+
$self->_get_host_service( $self->sockname, $numeric ? NI_NUMERICHOST|NI_NUMERICSERV : 0 );
|
| 853 |
+
}
|
| 854 |
+
|
| 855 |
+
=head2 sockhost
|
| 856 |
+
|
| 857 |
+
$addr = $sock->sockhost;
|
| 858 |
+
|
| 859 |
+
Return the numeric form of the local address as a textual representation
|
| 860 |
+
|
| 861 |
+
=head2 sockport
|
| 862 |
+
|
| 863 |
+
$port = $sock->sockport;
|
| 864 |
+
|
| 865 |
+
Return the numeric form of the local port number
|
| 866 |
+
|
| 867 |
+
=head2 sockhostname
|
| 868 |
+
|
| 869 |
+
$host = $sock->sockhostname;
|
| 870 |
+
|
| 871 |
+
Return the resolved name of the local address
|
| 872 |
+
|
| 873 |
+
=head2 sockservice
|
| 874 |
+
|
| 875 |
+
$service = $sock->sockservice;
|
| 876 |
+
|
| 877 |
+
Return the resolved name of the local port number
|
| 878 |
+
|
| 879 |
+
=cut
|
| 880 |
+
|
| 881 |
+
sub sockhost { my $self = shift; scalar +( $self->_get_host_service( $self->sockname, NI_NUMERICHOST, NIx_NOSERV ) )[0] }
|
| 882 |
+
sub sockport { my $self = shift; scalar +( $self->_get_host_service( $self->sockname, NI_NUMERICSERV, NIx_NOHOST ) )[1] }
|
| 883 |
+
|
| 884 |
+
sub sockhostname { my $self = shift; scalar +( $self->_get_host_service( $self->sockname, 0, NIx_NOSERV ) )[0] }
|
| 885 |
+
sub sockservice { my $self = shift; scalar +( $self->_get_host_service( $self->sockname, 0, NIx_NOHOST ) )[1] }
|
| 886 |
+
|
| 887 |
+
=head2 sockaddr
|
| 888 |
+
|
| 889 |
+
$addr = $sock->sockaddr;
|
| 890 |
+
|
| 891 |
+
Return the local address as a binary octet string
|
| 892 |
+
|
| 893 |
+
=cut
|
| 894 |
+
|
| 895 |
+
sub sockaddr { my $self = shift; _unpack_sockaddr $self->sockname }
|
| 896 |
+
|
| 897 |
+
=head2 peerhost_service
|
| 898 |
+
|
| 899 |
+
( $host, $service ) = $sock->peerhost_service( $numeric );
|
| 900 |
+
|
| 901 |
+
Returns the hostname and service name of the peer address (that is, the
|
| 902 |
+
socket address given by the C<peername> method), similar to the
|
| 903 |
+
C<sockhost_service> method.
|
| 904 |
+
|
| 905 |
+
The following four convenience wrappers may be used to obtain one of the two
|
| 906 |
+
values returned here. If both host and service names are required, this method
|
| 907 |
+
is preferable to the following wrappers, because it will call
|
| 908 |
+
C<getnameinfo(3)> only once.
|
| 909 |
+
|
| 910 |
+
=cut
|
| 911 |
+
|
| 912 |
+
sub peerhost_service
|
| 913 |
+
{
|
| 914 |
+
my $self = shift;
|
| 915 |
+
my ( $numeric ) = @_;
|
| 916 |
+
|
| 917 |
+
$self->_get_host_service( $self->peername, $numeric ? NI_NUMERICHOST|NI_NUMERICSERV : 0 );
|
| 918 |
+
}
|
| 919 |
+
|
| 920 |
+
=head2 peerhost
|
| 921 |
+
|
| 922 |
+
$addr = $sock->peerhost;
|
| 923 |
+
|
| 924 |
+
Return the numeric form of the peer address as a textual representation
|
| 925 |
+
|
| 926 |
+
=head2 peerport
|
| 927 |
+
|
| 928 |
+
$port = $sock->peerport;
|
| 929 |
+
|
| 930 |
+
Return the numeric form of the peer port number
|
| 931 |
+
|
| 932 |
+
=head2 peerhostname
|
| 933 |
+
|
| 934 |
+
$host = $sock->peerhostname;
|
| 935 |
+
|
| 936 |
+
Return the resolved name of the peer address
|
| 937 |
+
|
| 938 |
+
=head2 peerservice
|
| 939 |
+
|
| 940 |
+
$service = $sock->peerservice;
|
| 941 |
+
|
| 942 |
+
Return the resolved name of the peer port number
|
| 943 |
+
|
| 944 |
+
=cut
|
| 945 |
+
|
| 946 |
+
sub peerhost { my $self = shift; scalar +( $self->_get_host_service( $self->peername, NI_NUMERICHOST, NIx_NOSERV ) )[0] }
|
| 947 |
+
sub peerport { my $self = shift; scalar +( $self->_get_host_service( $self->peername, NI_NUMERICSERV, NIx_NOHOST ) )[1] }
|
| 948 |
+
|
| 949 |
+
sub peerhostname { my $self = shift; scalar +( $self->_get_host_service( $self->peername, 0, NIx_NOSERV ) )[0] }
|
| 950 |
+
sub peerservice { my $self = shift; scalar +( $self->_get_host_service( $self->peername, 0, NIx_NOHOST ) )[1] }
|
| 951 |
+
|
| 952 |
+
=head2 peeraddr
|
| 953 |
+
|
| 954 |
+
$addr = $peer->peeraddr;
|
| 955 |
+
|
| 956 |
+
Return the peer address as a binary octet string
|
| 957 |
+
|
| 958 |
+
=cut
|
| 959 |
+
|
| 960 |
+
sub peeraddr { my $self = shift; _unpack_sockaddr $self->peername }
|
| 961 |
+
|
| 962 |
+
# This unbelievably dodgy hack works around the bug that IO::Socket doesn't do
|
| 963 |
+
# it
|
| 964 |
+
# https://rt.cpan.org/Ticket/Display.html?id=61577
|
| 965 |
+
sub accept
|
| 966 |
+
{
|
| 967 |
+
my $self = shift;
|
| 968 |
+
my ( $new, $peer ) = $self->SUPER::accept( @_ ) or return;
|
| 969 |
+
|
| 970 |
+
${*$new}{$_} = ${*$self}{$_} for qw( io_socket_domain io_socket_type io_socket_proto );
|
| 971 |
+
|
| 972 |
+
return wantarray ? ( $new, $peer )
|
| 973 |
+
: $new;
|
| 974 |
+
}
|
| 975 |
+
|
| 976 |
+
# This second unbelievably dodgy hack guarantees that $self->fileno doesn't
|
| 977 |
+
# change, which is useful during nonblocking connect
|
| 978 |
+
sub socket :method
|
| 979 |
+
{
|
| 980 |
+
my $self = shift;
|
| 981 |
+
return $self->SUPER::socket(@_) if not defined $self->fileno;
|
| 982 |
+
|
| 983 |
+
# I hate core prototypes sometimes...
|
| 984 |
+
socket( my $tmph, $_[0], $_[1], $_[2] ) or return undef;
|
| 985 |
+
|
| 986 |
+
dup2( $tmph->fileno, $self->fileno ) or die "Unable to dup2 $tmph onto $self - $!";
|
| 987 |
+
}
|
| 988 |
+
|
| 989 |
+
# Versions of IO::Socket before 1.35 may leave socktype undef if from, say, an
|
| 990 |
+
# ->fdopen call. In this case we'll apply a fix
|
| 991 |
+
BEGIN {
|
| 992 |
+
if( eval($IO::Socket::VERSION) < 1.35 ) {
|
| 993 |
+
*socktype = sub {
|
| 994 |
+
my $self = shift;
|
| 995 |
+
my $type = $self->SUPER::socktype;
|
| 996 |
+
if( !defined $type ) {
|
| 997 |
+
$type = $self->sockopt( Socket::SO_TYPE() );
|
| 998 |
+
}
|
| 999 |
+
return $type;
|
| 1000 |
+
};
|
| 1001 |
+
}
|
| 1002 |
+
}
|
| 1003 |
+
|
| 1004 |
+
=head2 as_inet
|
| 1005 |
+
|
| 1006 |
+
$inet = $sock->as_inet;
|
| 1007 |
+
|
| 1008 |
+
Returns a new L<IO::Socket::INET> instance wrapping the same filehandle. This
|
| 1009 |
+
may be useful in cases where it is required, for backward-compatibility, to
|
| 1010 |
+
have a real object of C<IO::Socket::INET> type instead of C<IO::Socket::IP>.
|
| 1011 |
+
The new object will wrap the same underlying socket filehandle as the
|
| 1012 |
+
original, so care should be taken not to continue to use both objects
|
| 1013 |
+
concurrently. Ideally the original C<$sock> should be discarded after this
|
| 1014 |
+
method is called.
|
| 1015 |
+
|
| 1016 |
+
This method checks that the socket domain is C<PF_INET> and will throw an
|
| 1017 |
+
exception if it isn't.
|
| 1018 |
+
|
| 1019 |
+
=cut
|
| 1020 |
+
|
| 1021 |
+
sub as_inet
|
| 1022 |
+
{
|
| 1023 |
+
my $self = shift;
|
| 1024 |
+
croak "Cannot downgrade a non-PF_INET socket to IO::Socket::INET" unless $self->sockdomain == AF_INET;
|
| 1025 |
+
return IO::Socket::INET->new_from_fd( $self->fileno, "r+" );
|
| 1026 |
+
}
|
| 1027 |
+
|
| 1028 |
+
=head1 NON-BLOCKING
|
| 1029 |
+
|
| 1030 |
+
If the constructor is passed a defined but false value for the C<Blocking>
|
| 1031 |
+
argument then the socket is put into non-blocking mode. When in non-blocking
|
| 1032 |
+
mode, the socket will not be set up by the time the constructor returns,
|
| 1033 |
+
because the underlying C<connect(2)> syscall would otherwise have to block.
|
| 1034 |
+
|
| 1035 |
+
The non-blocking behaviour is an extension of the C<IO::Socket::INET> API,
|
| 1036 |
+
unique to C<IO::Socket::IP>, because the former does not support multi-homed
|
| 1037 |
+
non-blocking connect.
|
| 1038 |
+
|
| 1039 |
+
When using non-blocking mode, the caller must repeatedly check for
|
| 1040 |
+
writeability on the filehandle (for instance using C<select> or C<IO::Poll>).
|
| 1041 |
+
Each time the filehandle is ready to write, the C<connect> method must be
|
| 1042 |
+
called, with no arguments. Note that some operating systems, most notably
|
| 1043 |
+
C<MSWin32> do not report a C<connect()> failure using write-ready; so you must
|
| 1044 |
+
also C<select()> for exceptional status.
|
| 1045 |
+
|
| 1046 |
+
While C<connect> returns false, the value of C<$!> indicates whether it should
|
| 1047 |
+
be tried again (by being set to the value C<EINPROGRESS>, or C<EWOULDBLOCK> on
|
| 1048 |
+
MSWin32), or whether a permanent error has occurred (e.g. C<ECONNREFUSED>).
|
| 1049 |
+
|
| 1050 |
+
Once the socket has been connected to the peer, C<connect> will return true
|
| 1051 |
+
and the socket will now be ready to use.
|
| 1052 |
+
|
| 1053 |
+
Note that calls to the platform's underlying C<getaddrinfo(3)> function may
|
| 1054 |
+
block. If C<IO::Socket::IP> has to perform this lookup, the constructor will
|
| 1055 |
+
block even when in non-blocking mode.
|
| 1056 |
+
|
| 1057 |
+
To avoid this blocking behaviour, the caller should pass in the result of such
|
| 1058 |
+
a lookup using the C<PeerAddrInfo> or C<LocalAddrInfo> arguments. This can be
|
| 1059 |
+
achieved by using L<Net::LibAsyncNS>, or the C<getaddrinfo(3)> function can be
|
| 1060 |
+
called in a child process.
|
| 1061 |
+
|
| 1062 |
+
use IO::Socket::IP;
|
| 1063 |
+
use Errno qw( EINPROGRESS EWOULDBLOCK );
|
| 1064 |
+
|
| 1065 |
+
my @peeraddrinfo = ... # Caller must obtain the getaddrinfo result here
|
| 1066 |
+
|
| 1067 |
+
my $socket = IO::Socket::IP->new(
|
| 1068 |
+
PeerAddrInfo => \@peeraddrinfo,
|
| 1069 |
+
Blocking => 0,
|
| 1070 |
+
) or die "Cannot construct socket - $@";
|
| 1071 |
+
|
| 1072 |
+
while( !$socket->connect and ( $! == EINPROGRESS || $! == EWOULDBLOCK ) ) {
|
| 1073 |
+
my $wvec = '';
|
| 1074 |
+
vec( $wvec, fileno $socket, 1 ) = 1;
|
| 1075 |
+
my $evec = '';
|
| 1076 |
+
vec( $evec, fileno $socket, 1 ) = 1;
|
| 1077 |
+
|
| 1078 |
+
select( undef, $wvec, $evec, undef ) or die "Cannot select - $!";
|
| 1079 |
+
}
|
| 1080 |
+
|
| 1081 |
+
die "Cannot connect - $!" if $!;
|
| 1082 |
+
|
| 1083 |
+
...
|
| 1084 |
+
|
| 1085 |
+
The example above uses C<select()>, but any similar mechanism should work
|
| 1086 |
+
analogously. C<IO::Socket::IP> takes care when creating new socket filehandles
|
| 1087 |
+
to preserve the actual file descriptor number, so such techniques as C<poll>
|
| 1088 |
+
or C<epoll> should be transparent to its reallocation of a different socket
|
| 1089 |
+
underneath, perhaps in order to switch protocol family between C<PF_INET> and
|
| 1090 |
+
C<PF_INET6>.
|
| 1091 |
+
|
| 1092 |
+
For another example using C<IO::Poll> and C<Net::LibAsyncNS>, see the
|
| 1093 |
+
F<examples/nonblocking_libasyncns.pl> file in the module distribution.
|
| 1094 |
+
|
| 1095 |
+
=cut
|
| 1096 |
+
|
| 1097 |
+
=head1 C<PeerHost> AND C<LocalHost> PARSING
|
| 1098 |
+
|
| 1099 |
+
To support the C<IO::Socket::INET> API, the host and port information may be
|
| 1100 |
+
passed in a single string rather than as two separate arguments.
|
| 1101 |
+
|
| 1102 |
+
If either C<LocalHost> or C<PeerHost> (or their C<...Addr> synonyms) have any
|
| 1103 |
+
of the following special forms then special parsing is applied.
|
| 1104 |
+
|
| 1105 |
+
The value of the C<...Host> argument will be split to give both the hostname
|
| 1106 |
+
and port (or service name):
|
| 1107 |
+
|
| 1108 |
+
=for highlighter
|
| 1109 |
+
|
| 1110 |
+
hostname.example.org:http # Host name
|
| 1111 |
+
192.0.2.1:80 # IPv4 address
|
| 1112 |
+
[2001:db8::1]:80 # IPv6 address
|
| 1113 |
+
|
| 1114 |
+
=for highlighter language=perl
|
| 1115 |
+
|
| 1116 |
+
In each case, the port or service name (e.g. C<80>) is passed as the
|
| 1117 |
+
C<LocalService> or C<PeerService> argument.
|
| 1118 |
+
|
| 1119 |
+
Either of C<LocalService> or C<PeerService> (or their C<...Port> synonyms) can
|
| 1120 |
+
be either a service name, a decimal number, or a string containing both a
|
| 1121 |
+
service name and number, in a form such as
|
| 1122 |
+
|
| 1123 |
+
http(80)
|
| 1124 |
+
|
| 1125 |
+
In this case, the name (C<http>) will be tried first, but if the resolver does
|
| 1126 |
+
not understand it then the port number (C<80>) will be used instead.
|
| 1127 |
+
|
| 1128 |
+
If the C<...Host> argument is in this special form and the corresponding
|
| 1129 |
+
C<...Service> or C<...Port> argument is also defined, the one parsed from
|
| 1130 |
+
the C<...Host> argument will take precedence and the other will be ignored.
|
| 1131 |
+
|
| 1132 |
+
=head2 split_addr
|
| 1133 |
+
|
| 1134 |
+
( $host, $port ) = IO::Socket::IP->split_addr( $addr )
|
| 1135 |
+
|
| 1136 |
+
Utility method that provides the parsing functionality described above.
|
| 1137 |
+
Returns a 2-element list, containing either the split hostname and port
|
| 1138 |
+
description if it could be parsed, or the given address and C<undef> if it was
|
| 1139 |
+
not recognised.
|
| 1140 |
+
|
| 1141 |
+
IO::Socket::IP->split_addr( "hostname:http" );
|
| 1142 |
+
# ( "hostname", "http" )
|
| 1143 |
+
|
| 1144 |
+
IO::Socket::IP->split_addr( "192.0.2.1:80" );
|
| 1145 |
+
# ( "192.0.2.1", "80" )
|
| 1146 |
+
|
| 1147 |
+
IO::Socket::IP->split_addr( "[2001:db8::1]:80" );
|
| 1148 |
+
# ( "2001:db8::1", "80" )
|
| 1149 |
+
|
| 1150 |
+
IO::Socket::IP->split_addr( "something.else" );
|
| 1151 |
+
# ( "something.else", undef )
|
| 1152 |
+
|
| 1153 |
+
=cut
|
| 1154 |
+
|
| 1155 |
+
sub split_addr
|
| 1156 |
+
{
|
| 1157 |
+
shift;
|
| 1158 |
+
my ( $addr ) = @_;
|
| 1159 |
+
|
| 1160 |
+
local ( $1, $2 ); # Placate a taint-related bug; [perl #67962]
|
| 1161 |
+
if( $addr =~ m/\A\[($IPv6_re)\](?::([^\s:]*))?\z/ or
|
| 1162 |
+
$addr =~ m/\A([^\s:]*):([^\s:]*)\z/ ) {
|
| 1163 |
+
return ( $1, $2 ) if defined $2 and length $2;
|
| 1164 |
+
return ( $1, undef );
|
| 1165 |
+
}
|
| 1166 |
+
|
| 1167 |
+
return ( $addr, undef );
|
| 1168 |
+
}
|
| 1169 |
+
|
| 1170 |
+
=head2 join_addr
|
| 1171 |
+
|
| 1172 |
+
$addr = IO::Socket::IP->join_addr( $host, $port )
|
| 1173 |
+
|
| 1174 |
+
Utility method that performs the reverse of C<split_addr>, returning a string
|
| 1175 |
+
formed by joining the specified host address and port number. The host address
|
| 1176 |
+
will be wrapped in C<[]> brackets if required (because it is a raw IPv6
|
| 1177 |
+
numeric address).
|
| 1178 |
+
|
| 1179 |
+
This can be especially useful when combined with the C<sockhost_service> or
|
| 1180 |
+
C<peerhost_service> methods.
|
| 1181 |
+
|
| 1182 |
+
say "Connected to ", IO::Socket::IP->join_addr( $sock->peerhost_service );
|
| 1183 |
+
|
| 1184 |
+
=cut
|
| 1185 |
+
|
| 1186 |
+
sub join_addr
|
| 1187 |
+
{
|
| 1188 |
+
shift;
|
| 1189 |
+
my ( $host, $port ) = @_;
|
| 1190 |
+
|
| 1191 |
+
$host = "[$host]" if $host =~ m/:/;
|
| 1192 |
+
|
| 1193 |
+
return join ":", $host, $port if defined $port;
|
| 1194 |
+
return $host;
|
| 1195 |
+
}
|
| 1196 |
+
|
| 1197 |
+
# Since IO::Socket->new( Domain => ... ) will delete the Domain parameter
|
| 1198 |
+
# before calling ->configure, we need to keep track of which it was
|
| 1199 |
+
|
| 1200 |
+
package # hide from indexer
|
| 1201 |
+
IO::Socket::IP::_ForINET;
|
| 1202 |
+
use base qw( IO::Socket::IP );
|
| 1203 |
+
|
| 1204 |
+
sub configure
|
| 1205 |
+
{
|
| 1206 |
+
# This is evil
|
| 1207 |
+
my $self = shift;
|
| 1208 |
+
my ( $arg ) = @_;
|
| 1209 |
+
|
| 1210 |
+
bless $self, "IO::Socket::IP";
|
| 1211 |
+
$self->configure( { %$arg, Family => Socket::AF_INET() } );
|
| 1212 |
+
}
|
| 1213 |
+
|
| 1214 |
+
package # hide from indexer
|
| 1215 |
+
IO::Socket::IP::_ForINET6;
|
| 1216 |
+
use base qw( IO::Socket::IP );
|
| 1217 |
+
|
| 1218 |
+
sub configure
|
| 1219 |
+
{
|
| 1220 |
+
# This is evil
|
| 1221 |
+
my $self = shift;
|
| 1222 |
+
my ( $arg ) = @_;
|
| 1223 |
+
|
| 1224 |
+
bless $self, "IO::Socket::IP";
|
| 1225 |
+
$self->configure( { %$arg, Family => Socket::AF_INET6() } );
|
| 1226 |
+
}
|
| 1227 |
+
|
| 1228 |
+
=head1 C<IO::Socket::INET> INCOMPATIBILITIES
|
| 1229 |
+
|
| 1230 |
+
=over 4
|
| 1231 |
+
|
| 1232 |
+
=item *
|
| 1233 |
+
|
| 1234 |
+
The behaviour enabled by C<MultiHomed> is in fact implemented by
|
| 1235 |
+
C<IO::Socket::IP> as it is required to correctly support searching for a
|
| 1236 |
+
useable address from the results of the C<getaddrinfo(3)> call. The
|
| 1237 |
+
constructor will ignore the value of this argument, except if it is defined
|
| 1238 |
+
but false. An exception is thrown in this case, because that would request it
|
| 1239 |
+
disable the C<getaddrinfo(3)> search behaviour in the first place.
|
| 1240 |
+
|
| 1241 |
+
=item *
|
| 1242 |
+
|
| 1243 |
+
C<IO::Socket::IP> implements both the C<Blocking> and C<Timeout> parameters,
|
| 1244 |
+
but it implements the interaction of both in a different way.
|
| 1245 |
+
|
| 1246 |
+
In C<::INET>, supplying a timeout overrides the non-blocking behaviour,
|
| 1247 |
+
meaning that the C<connect()> operation will still block despite that the
|
| 1248 |
+
caller asked for a non-blocking socket. This is not explicitly specified in
|
| 1249 |
+
its documentation, nor does this author believe that is a useful behaviour -
|
| 1250 |
+
it appears to come from a quirk of implementation.
|
| 1251 |
+
|
| 1252 |
+
In C<::IP> therefore, the C<Blocking> parameter takes precedence - if a
|
| 1253 |
+
non-blocking socket is requested, no operation will block. The C<Timeout>
|
| 1254 |
+
parameter here simply defines the maximum time that a blocking C<connect()>
|
| 1255 |
+
call will wait, if it blocks at all.
|
| 1256 |
+
|
| 1257 |
+
In order to specifically obtain the "blocking connect then non-blocking send
|
| 1258 |
+
and receive" behaviour of specifying this combination of options to C<::INET>
|
| 1259 |
+
when using C<::IP>, perform first a blocking connect, then afterwards turn the
|
| 1260 |
+
socket into nonblocking mode.
|
| 1261 |
+
|
| 1262 |
+
my $sock = IO::Socket::IP->new(
|
| 1263 |
+
PeerHost => $peer,
|
| 1264 |
+
Timeout => 20,
|
| 1265 |
+
) or die "Cannot connect - $@";
|
| 1266 |
+
|
| 1267 |
+
$sock->blocking( 0 );
|
| 1268 |
+
|
| 1269 |
+
This code will behave identically under both C<IO::Socket::INET> and
|
| 1270 |
+
C<IO::Socket::IP>.
|
| 1271 |
+
|
| 1272 |
+
=back
|
| 1273 |
+
|
| 1274 |
+
=cut
|
| 1275 |
+
|
| 1276 |
+
=head1 TODO
|
| 1277 |
+
|
| 1278 |
+
=over 4
|
| 1279 |
+
|
| 1280 |
+
=item *
|
| 1281 |
+
|
| 1282 |
+
Investigate whether C<POSIX::dup2> upsets BSD's C<kqueue> watchers, and if so,
|
| 1283 |
+
consider what possible workarounds might be applied.
|
| 1284 |
+
|
| 1285 |
+
=back
|
| 1286 |
+
|
| 1287 |
+
=head1 AUTHOR
|
| 1288 |
+
|
| 1289 |
+
Paul Evans <leonerd@leonerd.org.uk>
|
| 1290 |
+
|
| 1291 |
+
=cut
|
| 1292 |
+
|
| 1293 |
+
0x55AA;
|
git/usr/share/perl5/core_perl/IO/Uncompress/AnyInflate.pm
ADDED
|
@@ -0,0 +1,1020 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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| 1 |
+
package IO::Uncompress::AnyInflate ;
|
| 2 |
+
|
| 3 |
+
# for RFC1950, RFC1951 or RFC1952
|
| 4 |
+
|
| 5 |
+
use strict;
|
| 6 |
+
use warnings;
|
| 7 |
+
use bytes;
|
| 8 |
+
|
| 9 |
+
use IO::Compress::Base::Common 2.213 qw(:Parse);
|
| 10 |
+
|
| 11 |
+
use IO::Uncompress::Adapter::Inflate 2.213 ();
|
| 12 |
+
|
| 13 |
+
|
| 14 |
+
use IO::Uncompress::Base 2.213 ;
|
| 15 |
+
use IO::Uncompress::Gunzip 2.213 ;
|
| 16 |
+
use IO::Uncompress::Inflate 2.213 ;
|
| 17 |
+
use IO::Uncompress::RawInflate 2.213 ;
|
| 18 |
+
use IO::Uncompress::Unzip 2.213 ;
|
| 19 |
+
|
| 20 |
+
require Exporter ;
|
| 21 |
+
|
| 22 |
+
our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, $AnyInflateError);
|
| 23 |
+
|
| 24 |
+
$VERSION = '2.213';
|
| 25 |
+
$AnyInflateError = '';
|
| 26 |
+
|
| 27 |
+
@ISA = qw(IO::Uncompress::Base Exporter);
|
| 28 |
+
@EXPORT_OK = qw( $AnyInflateError anyinflate ) ;
|
| 29 |
+
%EXPORT_TAGS = %IO::Uncompress::Base::DEFLATE_CONSTANTS if keys %IO::Uncompress::Base::DEFLATE_CONSTANTS;
|
| 30 |
+
push @{ $EXPORT_TAGS{all} }, @EXPORT_OK ;
|
| 31 |
+
Exporter::export_ok_tags('all');
|
| 32 |
+
|
| 33 |
+
# TODO - allow the user to pick a set of the three formats to allow
|
| 34 |
+
# or just assume want to auto-detect any of the three formats.
|
| 35 |
+
|
| 36 |
+
sub new
|
| 37 |
+
{
|
| 38 |
+
my $class = shift ;
|
| 39 |
+
my $obj = IO::Compress::Base::Common::createSelfTiedObject($class, \$AnyInflateError);
|
| 40 |
+
$obj->_create(undef, 0, @_);
|
| 41 |
+
}
|
| 42 |
+
|
| 43 |
+
sub anyinflate
|
| 44 |
+
{
|
| 45 |
+
my $obj = IO::Compress::Base::Common::createSelfTiedObject(undef, \$AnyInflateError);
|
| 46 |
+
return $obj->_inf(@_) ;
|
| 47 |
+
}
|
| 48 |
+
|
| 49 |
+
sub getExtraParams
|
| 50 |
+
{
|
| 51 |
+
return ( 'rawinflate' => [Parse_boolean, 0] ) ;
|
| 52 |
+
}
|
| 53 |
+
|
| 54 |
+
sub ckParams
|
| 55 |
+
{
|
| 56 |
+
my $self = shift ;
|
| 57 |
+
my $got = shift ;
|
| 58 |
+
|
| 59 |
+
# any always needs both crc32 and adler32
|
| 60 |
+
$got->setValue('crc32' => 1);
|
| 61 |
+
$got->setValue('adler32' => 1);
|
| 62 |
+
|
| 63 |
+
return 1;
|
| 64 |
+
}
|
| 65 |
+
|
| 66 |
+
sub mkUncomp
|
| 67 |
+
{
|
| 68 |
+
my $self = shift ;
|
| 69 |
+
my $got = shift ;
|
| 70 |
+
|
| 71 |
+
my ($obj, $errstr, $errno) = IO::Uncompress::Adapter::Inflate::mkUncompObject();
|
| 72 |
+
|
| 73 |
+
return $self->saveErrorString(undef, $errstr, $errno)
|
| 74 |
+
if ! defined $obj;
|
| 75 |
+
|
| 76 |
+
*$self->{Uncomp} = $obj;
|
| 77 |
+
|
| 78 |
+
my @possible = qw( Inflate Gunzip Unzip );
|
| 79 |
+
unshift @possible, 'RawInflate'
|
| 80 |
+
if 1 || $got->getValue('rawinflate');
|
| 81 |
+
|
| 82 |
+
my $magic = $self->ckMagic( @possible );
|
| 83 |
+
|
| 84 |
+
if ($magic) {
|
| 85 |
+
*$self->{Info} = $self->readHeader($magic)
|
| 86 |
+
or return undef ;
|
| 87 |
+
|
| 88 |
+
return 1;
|
| 89 |
+
}
|
| 90 |
+
|
| 91 |
+
return 0 ;
|
| 92 |
+
}
|
| 93 |
+
|
| 94 |
+
|
| 95 |
+
|
| 96 |
+
sub ckMagic
|
| 97 |
+
{
|
| 98 |
+
my $self = shift;
|
| 99 |
+
my @names = @_ ;
|
| 100 |
+
|
| 101 |
+
my $keep = ref $self ;
|
| 102 |
+
for my $class ( map { "IO::Uncompress::$_" } @names)
|
| 103 |
+
{
|
| 104 |
+
bless $self => $class;
|
| 105 |
+
my $magic = $self->ckMagic();
|
| 106 |
+
|
| 107 |
+
if ($magic)
|
| 108 |
+
{
|
| 109 |
+
#bless $self => $class;
|
| 110 |
+
return $magic ;
|
| 111 |
+
}
|
| 112 |
+
|
| 113 |
+
$self->pushBack(*$self->{HeaderPending}) ;
|
| 114 |
+
*$self->{HeaderPending} = '' ;
|
| 115 |
+
}
|
| 116 |
+
|
| 117 |
+
bless $self => $keep;
|
| 118 |
+
return undef;
|
| 119 |
+
}
|
| 120 |
+
|
| 121 |
+
1 ;
|
| 122 |
+
|
| 123 |
+
__END__
|
| 124 |
+
|
| 125 |
+
|
| 126 |
+
=head1 NAME
|
| 127 |
+
|
| 128 |
+
IO::Uncompress::AnyInflate - Uncompress zlib-based (zip, gzip) file/buffer
|
| 129 |
+
|
| 130 |
+
=head1 SYNOPSIS
|
| 131 |
+
|
| 132 |
+
use IO::Uncompress::AnyInflate qw(anyinflate $AnyInflateError) ;
|
| 133 |
+
|
| 134 |
+
my $status = anyinflate $input => $output [,OPTS]
|
| 135 |
+
or die "anyinflate failed: $AnyInflateError\n";
|
| 136 |
+
|
| 137 |
+
my $z = IO::Uncompress::AnyInflate->new( $input [OPTS] )
|
| 138 |
+
or die "anyinflate failed: $AnyInflateError\n";
|
| 139 |
+
|
| 140 |
+
$status = $z->read($buffer)
|
| 141 |
+
$status = $z->read($buffer, $length)
|
| 142 |
+
$status = $z->read($buffer, $length, $offset)
|
| 143 |
+
$line = $z->getline()
|
| 144 |
+
$char = $z->getc()
|
| 145 |
+
$char = $z->ungetc()
|
| 146 |
+
$char = $z->opened()
|
| 147 |
+
|
| 148 |
+
$status = $z->inflateSync()
|
| 149 |
+
|
| 150 |
+
$data = $z->trailingData()
|
| 151 |
+
$status = $z->nextStream()
|
| 152 |
+
$data = $z->getHeaderInfo()
|
| 153 |
+
$z->tell()
|
| 154 |
+
$z->seek($position, $whence)
|
| 155 |
+
$z->binmode()
|
| 156 |
+
$z->fileno()
|
| 157 |
+
$z->eof()
|
| 158 |
+
$z->close()
|
| 159 |
+
|
| 160 |
+
$AnyInflateError ;
|
| 161 |
+
|
| 162 |
+
# IO::File mode
|
| 163 |
+
|
| 164 |
+
<$z>
|
| 165 |
+
read($z, $buffer);
|
| 166 |
+
read($z, $buffer, $length);
|
| 167 |
+
read($z, $buffer, $length, $offset);
|
| 168 |
+
tell($z)
|
| 169 |
+
seek($z, $position, $whence)
|
| 170 |
+
binmode($z)
|
| 171 |
+
fileno($z)
|
| 172 |
+
eof($z)
|
| 173 |
+
close($z)
|
| 174 |
+
|
| 175 |
+
=head1 DESCRIPTION
|
| 176 |
+
|
| 177 |
+
This module provides a Perl interface that allows the reading of
|
| 178 |
+
files/buffers that have been compressed in a number of formats that use the
|
| 179 |
+
zlib compression library.
|
| 180 |
+
|
| 181 |
+
The formats supported are
|
| 182 |
+
|
| 183 |
+
=over 5
|
| 184 |
+
|
| 185 |
+
=item RFC 1950
|
| 186 |
+
|
| 187 |
+
=item RFC 1951 (optionally)
|
| 188 |
+
|
| 189 |
+
=item gzip (RFC 1952)
|
| 190 |
+
|
| 191 |
+
=item zip
|
| 192 |
+
|
| 193 |
+
=back
|
| 194 |
+
|
| 195 |
+
The module will auto-detect which, if any, of the supported
|
| 196 |
+
compression formats is being used.
|
| 197 |
+
|
| 198 |
+
=head1 Functional Interface
|
| 199 |
+
|
| 200 |
+
A top-level function, C<anyinflate>, is provided to carry out
|
| 201 |
+
"one-shot" uncompression between buffers and/or files. For finer
|
| 202 |
+
control over the uncompression process, see the L</"OO Interface">
|
| 203 |
+
section.
|
| 204 |
+
|
| 205 |
+
use IO::Uncompress::AnyInflate qw(anyinflate $AnyInflateError) ;
|
| 206 |
+
|
| 207 |
+
anyinflate $input_filename_or_reference => $output_filename_or_reference [,OPTS]
|
| 208 |
+
or die "anyinflate failed: $AnyInflateError\n";
|
| 209 |
+
|
| 210 |
+
The functional interface needs Perl5.005 or better.
|
| 211 |
+
|
| 212 |
+
=head2 anyinflate $input_filename_or_reference => $output_filename_or_reference [, OPTS]
|
| 213 |
+
|
| 214 |
+
C<anyinflate> expects at least two parameters,
|
| 215 |
+
C<$input_filename_or_reference> and C<$output_filename_or_reference>
|
| 216 |
+
and zero or more optional parameters (see L</Optional Parameters>)
|
| 217 |
+
|
| 218 |
+
=head3 The C<$input_filename_or_reference> parameter
|
| 219 |
+
|
| 220 |
+
The parameter, C<$input_filename_or_reference>, is used to define the
|
| 221 |
+
source of the compressed data.
|
| 222 |
+
|
| 223 |
+
It can take one of the following forms:
|
| 224 |
+
|
| 225 |
+
=over 5
|
| 226 |
+
|
| 227 |
+
=item A filename
|
| 228 |
+
|
| 229 |
+
If the C<$input_filename_or_reference> parameter is a simple scalar, it is
|
| 230 |
+
assumed to be a filename. This file will be opened for reading and the
|
| 231 |
+
input data will be read from it.
|
| 232 |
+
|
| 233 |
+
=item A filehandle
|
| 234 |
+
|
| 235 |
+
If the C<$input_filename_or_reference> parameter is a filehandle, the input
|
| 236 |
+
data will be read from it. The string '-' can be used as an alias for
|
| 237 |
+
standard input.
|
| 238 |
+
|
| 239 |
+
=item A scalar reference
|
| 240 |
+
|
| 241 |
+
If C<$input_filename_or_reference> is a scalar reference, the input data
|
| 242 |
+
will be read from C<$$input_filename_or_reference>.
|
| 243 |
+
|
| 244 |
+
=item An array reference
|
| 245 |
+
|
| 246 |
+
If C<$input_filename_or_reference> is an array reference, each element in
|
| 247 |
+
the array must be a filename.
|
| 248 |
+
|
| 249 |
+
The input data will be read from each file in turn.
|
| 250 |
+
|
| 251 |
+
The complete array will be walked to ensure that it only
|
| 252 |
+
contains valid filenames before any data is uncompressed.
|
| 253 |
+
|
| 254 |
+
=item An Input FileGlob string
|
| 255 |
+
|
| 256 |
+
If C<$input_filename_or_reference> is a string that is delimited by the
|
| 257 |
+
characters "<" and ">" C<anyinflate> will assume that it is an
|
| 258 |
+
I<input fileglob string>. The input is the list of files that match the
|
| 259 |
+
fileglob.
|
| 260 |
+
|
| 261 |
+
See L<File::GlobMapper|File::GlobMapper> for more details.
|
| 262 |
+
|
| 263 |
+
=back
|
| 264 |
+
|
| 265 |
+
If the C<$input_filename_or_reference> parameter is any other type,
|
| 266 |
+
C<undef> will be returned.
|
| 267 |
+
|
| 268 |
+
=head3 The C<$output_filename_or_reference> parameter
|
| 269 |
+
|
| 270 |
+
The parameter C<$output_filename_or_reference> is used to control the
|
| 271 |
+
destination of the uncompressed data. This parameter can take one of
|
| 272 |
+
these forms.
|
| 273 |
+
|
| 274 |
+
=over 5
|
| 275 |
+
|
| 276 |
+
=item A filename
|
| 277 |
+
|
| 278 |
+
If the C<$output_filename_or_reference> parameter is a simple scalar, it is
|
| 279 |
+
assumed to be a filename. This file will be opened for writing and the
|
| 280 |
+
uncompressed data will be written to it.
|
| 281 |
+
|
| 282 |
+
=item A filehandle
|
| 283 |
+
|
| 284 |
+
If the C<$output_filename_or_reference> parameter is a filehandle, the
|
| 285 |
+
uncompressed data will be written to it. The string '-' can be used as
|
| 286 |
+
an alias for standard output.
|
| 287 |
+
|
| 288 |
+
=item A scalar reference
|
| 289 |
+
|
| 290 |
+
If C<$output_filename_or_reference> is a scalar reference, the
|
| 291 |
+
uncompressed data will be stored in C<$$output_filename_or_reference>.
|
| 292 |
+
|
| 293 |
+
=item An Array Reference
|
| 294 |
+
|
| 295 |
+
If C<$output_filename_or_reference> is an array reference,
|
| 296 |
+
the uncompressed data will be pushed onto the array.
|
| 297 |
+
|
| 298 |
+
=item An Output FileGlob
|
| 299 |
+
|
| 300 |
+
If C<$output_filename_or_reference> is a string that is delimited by the
|
| 301 |
+
characters "<" and ">" C<anyinflate> will assume that it is an
|
| 302 |
+
I<output fileglob string>. The output is the list of files that match the
|
| 303 |
+
fileglob.
|
| 304 |
+
|
| 305 |
+
When C<$output_filename_or_reference> is an fileglob string,
|
| 306 |
+
C<$input_filename_or_reference> must also be a fileglob string. Anything
|
| 307 |
+
else is an error.
|
| 308 |
+
|
| 309 |
+
See L<File::GlobMapper|File::GlobMapper> for more details.
|
| 310 |
+
|
| 311 |
+
=back
|
| 312 |
+
|
| 313 |
+
If the C<$output_filename_or_reference> parameter is any other type,
|
| 314 |
+
C<undef> will be returned.
|
| 315 |
+
|
| 316 |
+
=head2 Notes
|
| 317 |
+
|
| 318 |
+
When C<$input_filename_or_reference> maps to multiple compressed
|
| 319 |
+
files/buffers and C<$output_filename_or_reference> is
|
| 320 |
+
a single file/buffer, after uncompression C<$output_filename_or_reference> will contain a
|
| 321 |
+
concatenation of all the uncompressed data from each of the input
|
| 322 |
+
files/buffers.
|
| 323 |
+
|
| 324 |
+
=head2 Optional Parameters
|
| 325 |
+
|
| 326 |
+
The optional parameters for the one-shot function C<anyinflate>
|
| 327 |
+
are (for the most part) identical to those used with the OO interface defined in the
|
| 328 |
+
L</"Constructor Options"> section. The exceptions are listed below
|
| 329 |
+
|
| 330 |
+
=over 5
|
| 331 |
+
|
| 332 |
+
=item C<< AutoClose => 0|1 >>
|
| 333 |
+
|
| 334 |
+
This option applies to any input or output data streams to
|
| 335 |
+
C<anyinflate> that are filehandles.
|
| 336 |
+
|
| 337 |
+
If C<AutoClose> is specified, and the value is true, it will result in all
|
| 338 |
+
input and/or output filehandles being closed once C<anyinflate> has
|
| 339 |
+
completed.
|
| 340 |
+
|
| 341 |
+
This parameter defaults to 0.
|
| 342 |
+
|
| 343 |
+
=item C<< BinModeOut => 0|1 >>
|
| 344 |
+
|
| 345 |
+
This option is now a no-op. All files will be written in binmode.
|
| 346 |
+
|
| 347 |
+
=item C<< Append => 0|1 >>
|
| 348 |
+
|
| 349 |
+
The behaviour of this option is dependent on the type of output data
|
| 350 |
+
stream.
|
| 351 |
+
|
| 352 |
+
=over 5
|
| 353 |
+
|
| 354 |
+
=item * A Buffer
|
| 355 |
+
|
| 356 |
+
If C<Append> is enabled, all uncompressed data will be append to the end of
|
| 357 |
+
the output buffer. Otherwise the output buffer will be cleared before any
|
| 358 |
+
uncompressed data is written to it.
|
| 359 |
+
|
| 360 |
+
=item * A Filename
|
| 361 |
+
|
| 362 |
+
If C<Append> is enabled, the file will be opened in append mode. Otherwise
|
| 363 |
+
the contents of the file, if any, will be truncated before any uncompressed
|
| 364 |
+
data is written to it.
|
| 365 |
+
|
| 366 |
+
=item * A Filehandle
|
| 367 |
+
|
| 368 |
+
If C<Append> is enabled, the filehandle will be positioned to the end of
|
| 369 |
+
the file via a call to C<seek> before any uncompressed data is
|
| 370 |
+
written to it. Otherwise the file pointer will not be moved.
|
| 371 |
+
|
| 372 |
+
=back
|
| 373 |
+
|
| 374 |
+
When C<Append> is specified, and set to true, it will I<append> all uncompressed
|
| 375 |
+
data to the output data stream.
|
| 376 |
+
|
| 377 |
+
So when the output is a filehandle it will carry out a seek to the eof
|
| 378 |
+
before writing any uncompressed data. If the output is a filename, it will be opened for
|
| 379 |
+
appending. If the output is a buffer, all uncompressed data will be
|
| 380 |
+
appended to the existing buffer.
|
| 381 |
+
|
| 382 |
+
Conversely when C<Append> is not specified, or it is present and is set to
|
| 383 |
+
false, it will operate as follows.
|
| 384 |
+
|
| 385 |
+
When the output is a filename, it will truncate the contents of the file
|
| 386 |
+
before writing any uncompressed data. If the output is a filehandle
|
| 387 |
+
its position will not be changed. If the output is a buffer, it will be
|
| 388 |
+
wiped before any uncompressed data is output.
|
| 389 |
+
|
| 390 |
+
Defaults to 0.
|
| 391 |
+
|
| 392 |
+
=item C<< MultiStream => 0|1 >>
|
| 393 |
+
|
| 394 |
+
If the input file/buffer contains multiple compressed data streams, this
|
| 395 |
+
option will uncompress the whole lot as a single data stream.
|
| 396 |
+
|
| 397 |
+
Defaults to 0.
|
| 398 |
+
|
| 399 |
+
=item C<< TrailingData => $scalar >>
|
| 400 |
+
|
| 401 |
+
Returns the data, if any, that is present immediately after the compressed
|
| 402 |
+
data stream once uncompression is complete.
|
| 403 |
+
|
| 404 |
+
This option can be used when there is useful information immediately
|
| 405 |
+
following the compressed data stream, and you don't know the length of the
|
| 406 |
+
compressed data stream.
|
| 407 |
+
|
| 408 |
+
If the input is a buffer, C<trailingData> will return everything from the
|
| 409 |
+
end of the compressed data stream to the end of the buffer.
|
| 410 |
+
|
| 411 |
+
If the input is a filehandle, C<trailingData> will return the data that is
|
| 412 |
+
left in the filehandle input buffer once the end of the compressed data
|
| 413 |
+
stream has been reached. You can then use the filehandle to read the rest
|
| 414 |
+
of the input file.
|
| 415 |
+
|
| 416 |
+
Don't bother using C<trailingData> if the input is a filename.
|
| 417 |
+
|
| 418 |
+
If you know the length of the compressed data stream before you start
|
| 419 |
+
uncompressing, you can avoid having to use C<trailingData> by setting the
|
| 420 |
+
C<InputLength> option.
|
| 421 |
+
|
| 422 |
+
=back
|
| 423 |
+
|
| 424 |
+
=head2 OneShot Examples
|
| 425 |
+
|
| 426 |
+
To read the contents of the file C<file1.txt.Compressed> and write the
|
| 427 |
+
uncompressed data to the file C<file1.txt>.
|
| 428 |
+
|
| 429 |
+
use strict ;
|
| 430 |
+
use warnings ;
|
| 431 |
+
use IO::Uncompress::AnyInflate qw(anyinflate $AnyInflateError) ;
|
| 432 |
+
|
| 433 |
+
my $input = "file1.txt.Compressed";
|
| 434 |
+
my $output = "file1.txt";
|
| 435 |
+
anyinflate $input => $output
|
| 436 |
+
or die "anyinflate failed: $AnyInflateError\n";
|
| 437 |
+
|
| 438 |
+
To read from an existing Perl filehandle, C<$input>, and write the
|
| 439 |
+
uncompressed data to a buffer, C<$buffer>.
|
| 440 |
+
|
| 441 |
+
use strict ;
|
| 442 |
+
use warnings ;
|
| 443 |
+
use IO::Uncompress::AnyInflate qw(anyinflate $AnyInflateError) ;
|
| 444 |
+
use IO::File ;
|
| 445 |
+
|
| 446 |
+
my $input = IO::File->new( "<file1.txt.Compressed" )
|
| 447 |
+
or die "Cannot open 'file1.txt.Compressed': $!\n" ;
|
| 448 |
+
my $buffer ;
|
| 449 |
+
anyinflate $input => \$buffer
|
| 450 |
+
or die "anyinflate failed: $AnyInflateError\n";
|
| 451 |
+
|
| 452 |
+
To uncompress all files in the directory "/my/home" that match "*.txt.Compressed" and store the compressed data in the same directory
|
| 453 |
+
|
| 454 |
+
use strict ;
|
| 455 |
+
use warnings ;
|
| 456 |
+
use IO::Uncompress::AnyInflate qw(anyinflate $AnyInflateError) ;
|
| 457 |
+
|
| 458 |
+
anyinflate '</my/home/*.txt.Compressed>' => '</my/home/#1.txt>'
|
| 459 |
+
or die "anyinflate failed: $AnyInflateError\n";
|
| 460 |
+
|
| 461 |
+
and if you want to compress each file one at a time, this will do the trick
|
| 462 |
+
|
| 463 |
+
use strict ;
|
| 464 |
+
use warnings ;
|
| 465 |
+
use IO::Uncompress::AnyInflate qw(anyinflate $AnyInflateError) ;
|
| 466 |
+
|
| 467 |
+
for my $input ( glob "/my/home/*.txt.Compressed" )
|
| 468 |
+
{
|
| 469 |
+
my $output = $input;
|
| 470 |
+
$output =~ s/.Compressed// ;
|
| 471 |
+
anyinflate $input => $output
|
| 472 |
+
or die "Error compressing '$input': $AnyInflateError\n";
|
| 473 |
+
}
|
| 474 |
+
|
| 475 |
+
=head1 OO Interface
|
| 476 |
+
|
| 477 |
+
=head2 Constructor
|
| 478 |
+
|
| 479 |
+
The format of the constructor for IO::Uncompress::AnyInflate is shown below
|
| 480 |
+
|
| 481 |
+
my $z = IO::Uncompress::AnyInflate->new( $input [OPTS] )
|
| 482 |
+
or die "IO::Uncompress::AnyInflate failed: $AnyInflateError\n";
|
| 483 |
+
|
| 484 |
+
The constructor takes one mandatory parameter, C<$input>, defined below, and
|
| 485 |
+
zero or more C<OPTS>, defined in L<Constructor Options>.
|
| 486 |
+
|
| 487 |
+
Returns an C<IO::Uncompress::AnyInflate> object on success and undef on failure.
|
| 488 |
+
The variable C<$AnyInflateError> will contain an error message on failure.
|
| 489 |
+
|
| 490 |
+
If you are running Perl 5.005 or better the object, C<$z>, returned from
|
| 491 |
+
IO::Uncompress::AnyInflate can be used exactly like an L<IO::File|IO::File> filehandle.
|
| 492 |
+
This means that all normal input file operations can be carried out with
|
| 493 |
+
C<$z>. For example, to read a line from a compressed file/buffer you can
|
| 494 |
+
use either of these forms
|
| 495 |
+
|
| 496 |
+
$line = $z->getline();
|
| 497 |
+
$line = <$z>;
|
| 498 |
+
|
| 499 |
+
Below is a simple exaple of using the OO interface to read the compressed file
|
| 500 |
+
C<myfile.Compressed> and write its contents to stdout.
|
| 501 |
+
|
| 502 |
+
my $filename = "myfile.Compressed";
|
| 503 |
+
my $z = IO::Uncompress::AnyInflate->new($filename)
|
| 504 |
+
or die "IO::Uncompress::AnyInflate failed: $AnyInflateError\n";
|
| 505 |
+
|
| 506 |
+
while (<$z>) {
|
| 507 |
+
print $_;
|
| 508 |
+
}
|
| 509 |
+
$z->close();
|
| 510 |
+
|
| 511 |
+
See L</EXAMPLES> for further examples
|
| 512 |
+
|
| 513 |
+
The mandatory parameter C<$input> is used to determine the source of the
|
| 514 |
+
compressed data. This parameter can take one of three forms.
|
| 515 |
+
|
| 516 |
+
=over 5
|
| 517 |
+
|
| 518 |
+
=item A filename
|
| 519 |
+
|
| 520 |
+
If the C<$input> parameter is a scalar, it is assumed to be a filename. This
|
| 521 |
+
file will be opened for reading and the compressed data will be read from it.
|
| 522 |
+
|
| 523 |
+
=item A filehandle
|
| 524 |
+
|
| 525 |
+
If the C<$input> parameter is a filehandle, the compressed data will be
|
| 526 |
+
read from it.
|
| 527 |
+
The string '-' can be used as an alias for standard input.
|
| 528 |
+
|
| 529 |
+
=item A scalar reference
|
| 530 |
+
|
| 531 |
+
If C<$input> is a scalar reference, the compressed data will be read from
|
| 532 |
+
C<$$input>.
|
| 533 |
+
|
| 534 |
+
=back
|
| 535 |
+
|
| 536 |
+
=head2 Constructor Options
|
| 537 |
+
|
| 538 |
+
The option names defined below are case insensitive and can be optionally
|
| 539 |
+
prefixed by a '-'. So all of the following are valid
|
| 540 |
+
|
| 541 |
+
-AutoClose
|
| 542 |
+
-autoclose
|
| 543 |
+
AUTOCLOSE
|
| 544 |
+
autoclose
|
| 545 |
+
|
| 546 |
+
OPTS is a combination of the following options:
|
| 547 |
+
|
| 548 |
+
=over 5
|
| 549 |
+
|
| 550 |
+
=item C<< AutoClose => 0|1 >>
|
| 551 |
+
|
| 552 |
+
This option is only valid when the C<$input> parameter is a filehandle. If
|
| 553 |
+
specified, and the value is true, it will result in the file being closed once
|
| 554 |
+
either the C<close> method is called or the IO::Uncompress::AnyInflate object is
|
| 555 |
+
destroyed.
|
| 556 |
+
|
| 557 |
+
This parameter defaults to 0.
|
| 558 |
+
|
| 559 |
+
=item C<< MultiStream => 0|1 >>
|
| 560 |
+
|
| 561 |
+
Allows multiple concatenated compressed streams to be treated as a single
|
| 562 |
+
compressed stream. Decompression will stop once either the end of the
|
| 563 |
+
file/buffer is reached, an error is encountered (premature eof, corrupt
|
| 564 |
+
compressed data) or the end of a stream is not immediately followed by the
|
| 565 |
+
start of another stream.
|
| 566 |
+
|
| 567 |
+
This parameter defaults to 0.
|
| 568 |
+
|
| 569 |
+
=item C<< Prime => $string >>
|
| 570 |
+
|
| 571 |
+
This option will uncompress the contents of C<$string> before processing the
|
| 572 |
+
input file/buffer.
|
| 573 |
+
|
| 574 |
+
This option can be useful when the compressed data is embedded in another
|
| 575 |
+
file/data structure and it is not possible to work out where the compressed
|
| 576 |
+
data begins without having to read the first few bytes. If this is the
|
| 577 |
+
case, the uncompression can be I<primed> with these bytes using this
|
| 578 |
+
option.
|
| 579 |
+
|
| 580 |
+
=item C<< Transparent => 0|1 >>
|
| 581 |
+
|
| 582 |
+
If this option is set and the input file/buffer is not compressed data,
|
| 583 |
+
the module will allow reading of it anyway.
|
| 584 |
+
|
| 585 |
+
In addition, if the input file/buffer does contain compressed data and
|
| 586 |
+
there is non-compressed data immediately following it, setting this option
|
| 587 |
+
will make this module treat the whole file/buffer as a single data stream.
|
| 588 |
+
|
| 589 |
+
This option defaults to 1.
|
| 590 |
+
|
| 591 |
+
=item C<< BlockSize => $num >>
|
| 592 |
+
|
| 593 |
+
When reading the compressed input data, IO::Uncompress::AnyInflate will read it in
|
| 594 |
+
blocks of C<$num> bytes.
|
| 595 |
+
|
| 596 |
+
This option defaults to 4096.
|
| 597 |
+
|
| 598 |
+
=item C<< InputLength => $size >>
|
| 599 |
+
|
| 600 |
+
When present this option will limit the number of compressed bytes read
|
| 601 |
+
from the input file/buffer to C<$size>. This option can be used in the
|
| 602 |
+
situation where there is useful data directly after the compressed data
|
| 603 |
+
stream and you know beforehand the exact length of the compressed data
|
| 604 |
+
stream.
|
| 605 |
+
|
| 606 |
+
This option is mostly used when reading from a filehandle, in which case
|
| 607 |
+
the file pointer will be left pointing to the first byte directly after the
|
| 608 |
+
compressed data stream.
|
| 609 |
+
|
| 610 |
+
This option defaults to off.
|
| 611 |
+
|
| 612 |
+
=item C<< Append => 0|1 >>
|
| 613 |
+
|
| 614 |
+
This option controls what the C<read> method does with uncompressed data.
|
| 615 |
+
|
| 616 |
+
If set to 1, all uncompressed data will be appended to the output parameter
|
| 617 |
+
of the C<read> method.
|
| 618 |
+
|
| 619 |
+
If set to 0, the contents of the output parameter of the C<read> method
|
| 620 |
+
will be overwritten by the uncompressed data.
|
| 621 |
+
|
| 622 |
+
Defaults to 0.
|
| 623 |
+
|
| 624 |
+
=item C<< Strict => 0|1 >>
|
| 625 |
+
|
| 626 |
+
This option controls whether the extra checks defined below are used when
|
| 627 |
+
carrying out the decompression. When Strict is on, the extra tests are
|
| 628 |
+
carried out, when Strict is off they are not.
|
| 629 |
+
|
| 630 |
+
The default for this option is off.
|
| 631 |
+
|
| 632 |
+
If the input is an RFC 1950 data stream, the following will be checked:
|
| 633 |
+
|
| 634 |
+
=over 5
|
| 635 |
+
|
| 636 |
+
=item 1
|
| 637 |
+
|
| 638 |
+
The ADLER32 checksum field must be present.
|
| 639 |
+
|
| 640 |
+
=item 2
|
| 641 |
+
|
| 642 |
+
The value of the ADLER32 field read must match the adler32 value of the
|
| 643 |
+
uncompressed data actually contained in the file.
|
| 644 |
+
|
| 645 |
+
=back
|
| 646 |
+
|
| 647 |
+
If the input is a gzip (RFC 1952) data stream, the following will be checked:
|
| 648 |
+
|
| 649 |
+
=over 5
|
| 650 |
+
|
| 651 |
+
=item 1
|
| 652 |
+
|
| 653 |
+
If the FHCRC bit is set in the gzip FLG header byte, the CRC16 bytes in the
|
| 654 |
+
header must match the crc16 value of the gzip header actually read.
|
| 655 |
+
|
| 656 |
+
=item 2
|
| 657 |
+
|
| 658 |
+
If the gzip header contains a name field (FNAME) it consists solely of ISO
|
| 659 |
+
8859-1 characters.
|
| 660 |
+
|
| 661 |
+
=item 3
|
| 662 |
+
|
| 663 |
+
If the gzip header contains a comment field (FCOMMENT) it consists solely
|
| 664 |
+
of ISO 8859-1 characters plus line-feed.
|
| 665 |
+
|
| 666 |
+
=item 4
|
| 667 |
+
|
| 668 |
+
If the gzip FEXTRA header field is present it must conform to the sub-field
|
| 669 |
+
structure as defined in RFC 1952.
|
| 670 |
+
|
| 671 |
+
=item 5
|
| 672 |
+
|
| 673 |
+
The CRC32 and ISIZE trailer fields must be present.
|
| 674 |
+
|
| 675 |
+
=item 6
|
| 676 |
+
|
| 677 |
+
The value of the CRC32 field read must match the crc32 value of the
|
| 678 |
+
uncompressed data actually contained in the gzip file.
|
| 679 |
+
|
| 680 |
+
=item 7
|
| 681 |
+
|
| 682 |
+
The value of the ISIZE fields read must match the length of the
|
| 683 |
+
uncompressed data actually read from the file.
|
| 684 |
+
|
| 685 |
+
=back
|
| 686 |
+
|
| 687 |
+
=item C<< RawInflate => 0|1 >>
|
| 688 |
+
|
| 689 |
+
When auto-detecting the compressed format, try to test for raw-deflate (RFC
|
| 690 |
+
1951) content using the C<IO::Uncompress::RawInflate> module.
|
| 691 |
+
|
| 692 |
+
The reason this is not default behaviour is because RFC 1951 content can
|
| 693 |
+
only be detected by attempting to uncompress it. This process is error
|
| 694 |
+
prone and can result is false positives.
|
| 695 |
+
|
| 696 |
+
Defaults to 0.
|
| 697 |
+
|
| 698 |
+
=item C<< ParseExtra => 0|1 >>
|
| 699 |
+
If the gzip FEXTRA header field is present and this option is set, it will
|
| 700 |
+
force the module to check that it conforms to the sub-field structure as
|
| 701 |
+
defined in RFC 1952.
|
| 702 |
+
|
| 703 |
+
If the C<Strict> is on it will automatically enable this option.
|
| 704 |
+
|
| 705 |
+
Defaults to 0.
|
| 706 |
+
|
| 707 |
+
=back
|
| 708 |
+
|
| 709 |
+
=head1 Methods
|
| 710 |
+
|
| 711 |
+
=head2 read
|
| 712 |
+
|
| 713 |
+
Usage is
|
| 714 |
+
|
| 715 |
+
$status = $z->read($buffer)
|
| 716 |
+
|
| 717 |
+
Reads a block of compressed data (the size of the compressed block is
|
| 718 |
+
determined by the C<Buffer> option in the constructor), uncompresses it and
|
| 719 |
+
writes any uncompressed data into C<$buffer>. If the C<Append> parameter is
|
| 720 |
+
set in the constructor, the uncompressed data will be appended to the
|
| 721 |
+
C<$buffer> parameter. Otherwise C<$buffer> will be overwritten.
|
| 722 |
+
|
| 723 |
+
Returns the number of uncompressed bytes written to C<$buffer>, zero if eof
|
| 724 |
+
or a negative number on error.
|
| 725 |
+
|
| 726 |
+
=head2 read
|
| 727 |
+
|
| 728 |
+
Usage is
|
| 729 |
+
|
| 730 |
+
$status = $z->read($buffer, $length)
|
| 731 |
+
$status = $z->read($buffer, $length, $offset)
|
| 732 |
+
|
| 733 |
+
$status = read($z, $buffer, $length)
|
| 734 |
+
$status = read($z, $buffer, $length, $offset)
|
| 735 |
+
|
| 736 |
+
Attempt to read C<$length> bytes of uncompressed data into C<$buffer>.
|
| 737 |
+
|
| 738 |
+
The main difference between this form of the C<read> method and the
|
| 739 |
+
previous one, is that this one will attempt to return I<exactly> C<$length>
|
| 740 |
+
bytes. The only circumstances that this function will not is if end-of-file
|
| 741 |
+
or an IO error is encountered.
|
| 742 |
+
|
| 743 |
+
Returns the number of uncompressed bytes written to C<$buffer>, zero if eof
|
| 744 |
+
or a negative number on error.
|
| 745 |
+
|
| 746 |
+
=head2 getline
|
| 747 |
+
|
| 748 |
+
Usage is
|
| 749 |
+
|
| 750 |
+
$line = $z->getline()
|
| 751 |
+
$line = <$z>
|
| 752 |
+
|
| 753 |
+
Reads a single line.
|
| 754 |
+
|
| 755 |
+
This method fully supports the use of the variable C<$/> (or
|
| 756 |
+
C<$INPUT_RECORD_SEPARATOR> or C<$RS> when C<English> is in use) to
|
| 757 |
+
determine what constitutes an end of line. Paragraph mode, record mode and
|
| 758 |
+
file slurp mode are all supported.
|
| 759 |
+
|
| 760 |
+
=head2 getc
|
| 761 |
+
|
| 762 |
+
Usage is
|
| 763 |
+
|
| 764 |
+
$char = $z->getc()
|
| 765 |
+
|
| 766 |
+
Read a single character.
|
| 767 |
+
|
| 768 |
+
=head2 ungetc
|
| 769 |
+
|
| 770 |
+
Usage is
|
| 771 |
+
|
| 772 |
+
$char = $z->ungetc($string)
|
| 773 |
+
|
| 774 |
+
=head2 inflateSync
|
| 775 |
+
|
| 776 |
+
Usage is
|
| 777 |
+
|
| 778 |
+
$status = $z->inflateSync()
|
| 779 |
+
|
| 780 |
+
TODO
|
| 781 |
+
|
| 782 |
+
=head2 getHeaderInfo
|
| 783 |
+
|
| 784 |
+
Usage is
|
| 785 |
+
|
| 786 |
+
$hdr = $z->getHeaderInfo();
|
| 787 |
+
@hdrs = $z->getHeaderInfo();
|
| 788 |
+
|
| 789 |
+
This method returns either a hash reference (in scalar context) or a list
|
| 790 |
+
or hash references (in array context) that contains information about each
|
| 791 |
+
of the header fields in the compressed data stream(s).
|
| 792 |
+
|
| 793 |
+
=head2 tell
|
| 794 |
+
|
| 795 |
+
Usage is
|
| 796 |
+
|
| 797 |
+
$z->tell()
|
| 798 |
+
tell $z
|
| 799 |
+
|
| 800 |
+
Returns the uncompressed file offset.
|
| 801 |
+
|
| 802 |
+
=head2 eof
|
| 803 |
+
|
| 804 |
+
Usage is
|
| 805 |
+
|
| 806 |
+
$z->eof();
|
| 807 |
+
eof($z);
|
| 808 |
+
|
| 809 |
+
Returns true if the end of the compressed input stream has been reached.
|
| 810 |
+
|
| 811 |
+
=head2 seek
|
| 812 |
+
|
| 813 |
+
$z->seek($position, $whence);
|
| 814 |
+
seek($z, $position, $whence);
|
| 815 |
+
|
| 816 |
+
Provides a sub-set of the C<seek> functionality, with the restriction
|
| 817 |
+
that it is only legal to seek forward in the input file/buffer.
|
| 818 |
+
It is a fatal error to attempt to seek backward.
|
| 819 |
+
|
| 820 |
+
Note that the implementation of C<seek> in this module does not provide
|
| 821 |
+
true random access to a compressed file/buffer. It works by uncompressing
|
| 822 |
+
data from the current offset in the file/buffer until it reaches the
|
| 823 |
+
uncompressed offset specified in the parameters to C<seek>. For very small
|
| 824 |
+
files this may be acceptable behaviour. For large files it may cause an
|
| 825 |
+
unacceptable delay.
|
| 826 |
+
|
| 827 |
+
The C<$whence> parameter takes one the usual values, namely SEEK_SET,
|
| 828 |
+
SEEK_CUR or SEEK_END.
|
| 829 |
+
|
| 830 |
+
Returns 1 on success, 0 on failure.
|
| 831 |
+
|
| 832 |
+
=head2 binmode
|
| 833 |
+
|
| 834 |
+
Usage is
|
| 835 |
+
|
| 836 |
+
$z->binmode
|
| 837 |
+
binmode $z ;
|
| 838 |
+
|
| 839 |
+
This is a noop provided for completeness.
|
| 840 |
+
|
| 841 |
+
=head2 opened
|
| 842 |
+
|
| 843 |
+
$z->opened()
|
| 844 |
+
|
| 845 |
+
Returns true if the object currently refers to a opened file/buffer.
|
| 846 |
+
|
| 847 |
+
=head2 autoflush
|
| 848 |
+
|
| 849 |
+
my $prev = $z->autoflush()
|
| 850 |
+
my $prev = $z->autoflush(EXPR)
|
| 851 |
+
|
| 852 |
+
If the C<$z> object is associated with a file or a filehandle, this method
|
| 853 |
+
returns the current autoflush setting for the underlying filehandle. If
|
| 854 |
+
C<EXPR> is present, and is non-zero, it will enable flushing after every
|
| 855 |
+
write/print operation.
|
| 856 |
+
|
| 857 |
+
If C<$z> is associated with a buffer, this method has no effect and always
|
| 858 |
+
returns C<undef>.
|
| 859 |
+
|
| 860 |
+
B<Note> that the special variable C<$|> B<cannot> be used to set or
|
| 861 |
+
retrieve the autoflush setting.
|
| 862 |
+
|
| 863 |
+
=head2 input_line_number
|
| 864 |
+
|
| 865 |
+
$z->input_line_number()
|
| 866 |
+
$z->input_line_number(EXPR)
|
| 867 |
+
|
| 868 |
+
Returns the current uncompressed line number. If C<EXPR> is present it has
|
| 869 |
+
the effect of setting the line number. Note that setting the line number
|
| 870 |
+
does not change the current position within the file/buffer being read.
|
| 871 |
+
|
| 872 |
+
The contents of C<$/> are used to determine what constitutes a line
|
| 873 |
+
terminator.
|
| 874 |
+
|
| 875 |
+
=head2 fileno
|
| 876 |
+
|
| 877 |
+
$z->fileno()
|
| 878 |
+
fileno($z)
|
| 879 |
+
|
| 880 |
+
If the C<$z> object is associated with a file or a filehandle, C<fileno>
|
| 881 |
+
will return the underlying file descriptor. Once the C<close> method is
|
| 882 |
+
called C<fileno> will return C<undef>.
|
| 883 |
+
|
| 884 |
+
If the C<$z> object is associated with a buffer, this method will return
|
| 885 |
+
C<undef>.
|
| 886 |
+
|
| 887 |
+
=head2 close
|
| 888 |
+
|
| 889 |
+
$z->close() ;
|
| 890 |
+
close $z ;
|
| 891 |
+
|
| 892 |
+
Closes the output file/buffer.
|
| 893 |
+
|
| 894 |
+
For most versions of Perl this method will be automatically invoked if
|
| 895 |
+
the IO::Uncompress::AnyInflate object is destroyed (either explicitly or by the
|
| 896 |
+
variable with the reference to the object going out of scope). The
|
| 897 |
+
exceptions are Perl versions 5.005 through 5.00504 and 5.8.0. In
|
| 898 |
+
these cases, the C<close> method will be called automatically, but
|
| 899 |
+
not until global destruction of all live objects when the program is
|
| 900 |
+
terminating.
|
| 901 |
+
|
| 902 |
+
Therefore, if you want your scripts to be able to run on all versions
|
| 903 |
+
of Perl, you should call C<close> explicitly and not rely on automatic
|
| 904 |
+
closing.
|
| 905 |
+
|
| 906 |
+
Returns true on success, otherwise 0.
|
| 907 |
+
|
| 908 |
+
If the C<AutoClose> option has been enabled when the IO::Uncompress::AnyInflate
|
| 909 |
+
object was created, and the object is associated with a file, the
|
| 910 |
+
underlying file will also be closed.
|
| 911 |
+
|
| 912 |
+
=head2 nextStream
|
| 913 |
+
|
| 914 |
+
Usage is
|
| 915 |
+
|
| 916 |
+
my $status = $z->nextStream();
|
| 917 |
+
|
| 918 |
+
Skips to the next compressed data stream in the input file/buffer. If a new
|
| 919 |
+
compressed data stream is found, the eof marker will be cleared and C<$.>
|
| 920 |
+
will be reset to 0.
|
| 921 |
+
|
| 922 |
+
Returns 1 if a new stream was found, 0 if none was found, and -1 if an
|
| 923 |
+
error was encountered.
|
| 924 |
+
|
| 925 |
+
=head2 trailingData
|
| 926 |
+
|
| 927 |
+
Usage is
|
| 928 |
+
|
| 929 |
+
my $data = $z->trailingData();
|
| 930 |
+
|
| 931 |
+
Returns the data, if any, that is present immediately after the compressed
|
| 932 |
+
data stream once uncompression is complete. It only makes sense to call
|
| 933 |
+
this method once the end of the compressed data stream has been
|
| 934 |
+
encountered.
|
| 935 |
+
|
| 936 |
+
This option can be used when there is useful information immediately
|
| 937 |
+
following the compressed data stream, and you don't know the length of the
|
| 938 |
+
compressed data stream.
|
| 939 |
+
|
| 940 |
+
If the input is a buffer, C<trailingData> will return everything from the
|
| 941 |
+
end of the compressed data stream to the end of the buffer.
|
| 942 |
+
|
| 943 |
+
If the input is a filehandle, C<trailingData> will return the data that is
|
| 944 |
+
left in the filehandle input buffer once the end of the compressed data
|
| 945 |
+
stream has been reached. You can then use the filehandle to read the rest
|
| 946 |
+
of the input file.
|
| 947 |
+
|
| 948 |
+
Don't bother using C<trailingData> if the input is a filename.
|
| 949 |
+
|
| 950 |
+
If you know the length of the compressed data stream before you start
|
| 951 |
+
uncompressing, you can avoid having to use C<trailingData> by setting the
|
| 952 |
+
C<InputLength> option in the constructor.
|
| 953 |
+
|
| 954 |
+
=head1 Importing
|
| 955 |
+
|
| 956 |
+
No symbolic constants are required by IO::Uncompress::AnyInflate at present.
|
| 957 |
+
|
| 958 |
+
=over 5
|
| 959 |
+
|
| 960 |
+
=item :all
|
| 961 |
+
|
| 962 |
+
Imports C<anyinflate> and C<$AnyInflateError>.
|
| 963 |
+
Same as doing this
|
| 964 |
+
|
| 965 |
+
use IO::Uncompress::AnyInflate qw(anyinflate $AnyInflateError) ;
|
| 966 |
+
|
| 967 |
+
=back
|
| 968 |
+
|
| 969 |
+
=head1 EXAMPLES
|
| 970 |
+
|
| 971 |
+
=head2 Working with Net::FTP
|
| 972 |
+
|
| 973 |
+
See L<IO::Compress::FAQ|IO::Compress::FAQ/"Compressed files and Net::FTP">
|
| 974 |
+
|
| 975 |
+
=head1 SUPPORT
|
| 976 |
+
|
| 977 |
+
General feedback/questions/bug reports should be sent to
|
| 978 |
+
L<https://github.com/pmqs/IO-Compress/issues> (preferred) or
|
| 979 |
+
L<https://rt.cpan.org/Public/Dist/Display.html?Name=IO-Compress>.
|
| 980 |
+
|
| 981 |
+
=head1 SEE ALSO
|
| 982 |
+
|
| 983 |
+
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::Lzma>, L<IO::Uncompress::UnLzma>, L<IO::Compress::Xz>, L<IO::Uncompress::UnXz>, L<IO::Compress::Lzip>, L<IO::Uncompress::UnLzip>, L<IO::Compress::Lzop>, L<IO::Uncompress::UnLzop>, L<IO::Compress::Lzf>, L<IO::Uncompress::UnLzf>, L<IO::Compress::Zstd>, L<IO::Uncompress::UnZstd>, L<IO::Uncompress::AnyUncompress>
|
| 984 |
+
|
| 985 |
+
L<IO::Compress::FAQ|IO::Compress::FAQ>
|
| 986 |
+
|
| 987 |
+
L<File::GlobMapper|File::GlobMapper>, L<Archive::Zip|Archive::Zip>,
|
| 988 |
+
L<Archive::Tar|Archive::Tar>,
|
| 989 |
+
L<IO::Zlib|IO::Zlib>
|
| 990 |
+
|
| 991 |
+
For RFC 1950, 1951 and 1952 see
|
| 992 |
+
L<https://datatracker.ietf.org/doc/html/rfc1950>,
|
| 993 |
+
L<https://datatracker.ietf.org/doc/html/rfc1951> and
|
| 994 |
+
L<https://datatracker.ietf.org/doc/html/rfc1952>
|
| 995 |
+
|
| 996 |
+
The I<zlib> compression library was written by Jean-loup Gailly
|
| 997 |
+
C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
|
| 998 |
+
|
| 999 |
+
The primary site for the I<zlib> compression library is
|
| 1000 |
+
L<http://www.zlib.org>.
|
| 1001 |
+
|
| 1002 |
+
The primary site for the I<zlib-ng> compression library is
|
| 1003 |
+
L<https://github.com/zlib-ng/zlib-ng>.
|
| 1004 |
+
|
| 1005 |
+
The primary site for gzip is L<http://www.gzip.org>.
|
| 1006 |
+
|
| 1007 |
+
=head1 AUTHOR
|
| 1008 |
+
|
| 1009 |
+
This module was written by Paul Marquess, C<pmqs@cpan.org>.
|
| 1010 |
+
|
| 1011 |
+
=head1 MODIFICATION HISTORY
|
| 1012 |
+
|
| 1013 |
+
See the Changes file.
|
| 1014 |
+
|
| 1015 |
+
=head1 COPYRIGHT AND LICENSE
|
| 1016 |
+
|
| 1017 |
+
Copyright (c) 2005-2024 Paul Marquess. All rights reserved.
|
| 1018 |
+
|
| 1019 |
+
This program is free software; you can redistribute it and/or
|
| 1020 |
+
modify it under the same terms as Perl itself.
|
git/usr/share/perl5/core_perl/IO/Uncompress/AnyUncompress.pm
ADDED
|
@@ -0,0 +1,1096 @@
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|
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|
| 1 |
+
package IO::Uncompress::AnyUncompress ;
|
| 2 |
+
|
| 3 |
+
use strict;
|
| 4 |
+
use warnings;
|
| 5 |
+
use bytes;
|
| 6 |
+
|
| 7 |
+
use IO::Compress::Base::Common 2.213 ();
|
| 8 |
+
|
| 9 |
+
use IO::Uncompress::Base 2.213 ;
|
| 10 |
+
|
| 11 |
+
|
| 12 |
+
require Exporter ;
|
| 13 |
+
|
| 14 |
+
our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, $AnyUncompressError);
|
| 15 |
+
|
| 16 |
+
$VERSION = '2.213';
|
| 17 |
+
$AnyUncompressError = '';
|
| 18 |
+
|
| 19 |
+
@ISA = qw(IO::Uncompress::Base Exporter);
|
| 20 |
+
@EXPORT_OK = qw( $AnyUncompressError anyuncompress ) ;
|
| 21 |
+
%EXPORT_TAGS = %IO::Uncompress::Base::DEFLATE_CONSTANTS if keys %IO::Uncompress::Base::DEFLATE_CONSTANTS;
|
| 22 |
+
push @{ $EXPORT_TAGS{all} }, @EXPORT_OK ;
|
| 23 |
+
Exporter::export_ok_tags('all');
|
| 24 |
+
|
| 25 |
+
# TODO - allow the user to pick a set of the three formats to allow
|
| 26 |
+
# or just assume want to auto-detect any of the three formats.
|
| 27 |
+
|
| 28 |
+
BEGIN
|
| 29 |
+
{
|
| 30 |
+
local @INC = @INC;
|
| 31 |
+
pop @INC if $INC[-1] eq '.';
|
| 32 |
+
|
| 33 |
+
# Don't trigger any __DIE__ Hooks.
|
| 34 |
+
local $SIG{__DIE__};
|
| 35 |
+
|
| 36 |
+
eval ' use IO::Uncompress::Adapter::Inflate 2.213 ;';
|
| 37 |
+
eval ' use IO::Uncompress::Adapter::Bunzip2 2.213 ;';
|
| 38 |
+
eval ' use IO::Uncompress::Adapter::LZO 2.213 ;';
|
| 39 |
+
eval ' use IO::Uncompress::Adapter::Lzf 2.213 ;';
|
| 40 |
+
eval ' use IO::Uncompress::Adapter::UnLzma 2.213 ;';
|
| 41 |
+
eval ' use IO::Uncompress::Adapter::UnXz 2.213 ;';
|
| 42 |
+
eval ' use IO::Uncompress::Adapter::UnZstd 2.213 ;';
|
| 43 |
+
eval ' use IO::Uncompress::Adapter::UnLzip 2.213 ;';
|
| 44 |
+
|
| 45 |
+
eval ' use IO::Uncompress::Bunzip2 2.213 ;';
|
| 46 |
+
eval ' use IO::Uncompress::UnLzop 2.213 ;';
|
| 47 |
+
eval ' use IO::Uncompress::Gunzip 2.213 ;';
|
| 48 |
+
eval ' use IO::Uncompress::Inflate 2.213 ;';
|
| 49 |
+
eval ' use IO::Uncompress::RawInflate 2.213 ;';
|
| 50 |
+
eval ' use IO::Uncompress::Unzip 2.213 ;';
|
| 51 |
+
eval ' use IO::Uncompress::UnLzf 2.213 ;';
|
| 52 |
+
eval ' use IO::Uncompress::UnLzma 2.213 ;';
|
| 53 |
+
eval ' use IO::Uncompress::UnXz 2.213 ;';
|
| 54 |
+
eval ' use IO::Uncompress::UnZstd 2.213 ;';
|
| 55 |
+
eval ' use IO::Uncompress::UnLzip 2.213 ;';
|
| 56 |
+
|
| 57 |
+
}
|
| 58 |
+
|
| 59 |
+
sub new
|
| 60 |
+
{
|
| 61 |
+
my $class = shift ;
|
| 62 |
+
my $obj = IO::Compress::Base::Common::createSelfTiedObject($class, \$AnyUncompressError);
|
| 63 |
+
$obj->_create(undef, 0, @_);
|
| 64 |
+
}
|
| 65 |
+
|
| 66 |
+
sub anyuncompress
|
| 67 |
+
{
|
| 68 |
+
my $obj = IO::Compress::Base::Common::createSelfTiedObject(undef, \$AnyUncompressError);
|
| 69 |
+
return $obj->_inf(@_) ;
|
| 70 |
+
}
|
| 71 |
+
|
| 72 |
+
sub getExtraParams
|
| 73 |
+
{
|
| 74 |
+
return ( 'rawinflate' => [IO::Compress::Base::Common::Parse_boolean, 0] ,
|
| 75 |
+
'unlzma' => [IO::Compress::Base::Common::Parse_boolean, 0] ) ;
|
| 76 |
+
}
|
| 77 |
+
|
| 78 |
+
sub ckParams
|
| 79 |
+
{
|
| 80 |
+
my $self = shift ;
|
| 81 |
+
my $got = shift ;
|
| 82 |
+
|
| 83 |
+
# any always needs both crc32 and adler32
|
| 84 |
+
$got->setValue('crc32' => 1);
|
| 85 |
+
$got->setValue('adler32' => 1);
|
| 86 |
+
|
| 87 |
+
return 1;
|
| 88 |
+
}
|
| 89 |
+
|
| 90 |
+
sub mkUncomp
|
| 91 |
+
{
|
| 92 |
+
my $self = shift ;
|
| 93 |
+
my $got = shift ;
|
| 94 |
+
|
| 95 |
+
my $magic ;
|
| 96 |
+
|
| 97 |
+
# try zlib first
|
| 98 |
+
if (defined $IO::Uncompress::RawInflate::VERSION )
|
| 99 |
+
{
|
| 100 |
+
my ($obj, $errstr, $errno) = IO::Uncompress::Adapter::Inflate::mkUncompObject();
|
| 101 |
+
|
| 102 |
+
return $self->saveErrorString(undef, $errstr, $errno)
|
| 103 |
+
if ! defined $obj;
|
| 104 |
+
|
| 105 |
+
*$self->{Uncomp} = $obj;
|
| 106 |
+
|
| 107 |
+
my @possible = qw( Inflate Gunzip Unzip );
|
| 108 |
+
unshift @possible, 'RawInflate'
|
| 109 |
+
if $got->getValue('rawinflate');
|
| 110 |
+
|
| 111 |
+
$magic = $self->ckMagic( @possible );
|
| 112 |
+
|
| 113 |
+
if ($magic) {
|
| 114 |
+
*$self->{Info} = $self->readHeader($magic)
|
| 115 |
+
or return undef ;
|
| 116 |
+
|
| 117 |
+
return 1;
|
| 118 |
+
}
|
| 119 |
+
}
|
| 120 |
+
|
| 121 |
+
if (defined $IO::Uncompress::UnLzma::VERSION && $got->getValue('unlzma'))
|
| 122 |
+
{
|
| 123 |
+
my ($obj, $errstr, $errno) = IO::Uncompress::Adapter::UnLzma::mkUncompObject();
|
| 124 |
+
|
| 125 |
+
return $self->saveErrorString(undef, $errstr, $errno)
|
| 126 |
+
if ! defined $obj;
|
| 127 |
+
|
| 128 |
+
*$self->{Uncomp} = $obj;
|
| 129 |
+
|
| 130 |
+
my @possible = qw( UnLzma );
|
| 131 |
+
#unshift @possible, 'RawInflate'
|
| 132 |
+
# if $got->getValue('rawinflate');
|
| 133 |
+
|
| 134 |
+
if ( *$self->{Info} = $self->ckMagic( @possible ))
|
| 135 |
+
{
|
| 136 |
+
return 1;
|
| 137 |
+
}
|
| 138 |
+
}
|
| 139 |
+
|
| 140 |
+
if (defined $IO::Uncompress::UnXz::VERSION and
|
| 141 |
+
$magic = $self->ckMagic('UnXz')) {
|
| 142 |
+
*$self->{Info} = $self->readHeader($magic)
|
| 143 |
+
or return undef ;
|
| 144 |
+
|
| 145 |
+
my ($obj, $errstr, $errno) =
|
| 146 |
+
IO::Uncompress::Adapter::UnXz::mkUncompObject();
|
| 147 |
+
|
| 148 |
+
return $self->saveErrorString(undef, $errstr, $errno)
|
| 149 |
+
if ! defined $obj;
|
| 150 |
+
|
| 151 |
+
*$self->{Uncomp} = $obj;
|
| 152 |
+
|
| 153 |
+
return 1;
|
| 154 |
+
}
|
| 155 |
+
|
| 156 |
+
if (defined $IO::Uncompress::Bunzip2::VERSION and
|
| 157 |
+
$magic = $self->ckMagic('Bunzip2')) {
|
| 158 |
+
*$self->{Info} = $self->readHeader($magic)
|
| 159 |
+
or return undef ;
|
| 160 |
+
|
| 161 |
+
my ($obj, $errstr, $errno) = IO::Uncompress::Adapter::Bunzip2::mkUncompObject();
|
| 162 |
+
|
| 163 |
+
return $self->saveErrorString(undef, $errstr, $errno)
|
| 164 |
+
if ! defined $obj;
|
| 165 |
+
|
| 166 |
+
*$self->{Uncomp} = $obj;
|
| 167 |
+
|
| 168 |
+
return 1;
|
| 169 |
+
}
|
| 170 |
+
|
| 171 |
+
if (defined $IO::Uncompress::UnLzop::VERSION and
|
| 172 |
+
$magic = $self->ckMagic('UnLzop')) {
|
| 173 |
+
|
| 174 |
+
*$self->{Info} = $self->readHeader($magic)
|
| 175 |
+
or return undef ;
|
| 176 |
+
|
| 177 |
+
my ($obj, $errstr, $errno) = IO::Uncompress::Adapter::LZO::mkUncompObject();
|
| 178 |
+
|
| 179 |
+
return $self->saveErrorString(undef, $errstr, $errno)
|
| 180 |
+
if ! defined $obj;
|
| 181 |
+
|
| 182 |
+
*$self->{Uncomp} = $obj;
|
| 183 |
+
|
| 184 |
+
return 1;
|
| 185 |
+
}
|
| 186 |
+
|
| 187 |
+
if (defined $IO::Uncompress::UnLzf::VERSION and
|
| 188 |
+
$magic = $self->ckMagic('UnLzf')) {
|
| 189 |
+
|
| 190 |
+
*$self->{Info} = $self->readHeader($magic)
|
| 191 |
+
or return undef ;
|
| 192 |
+
|
| 193 |
+
my ($obj, $errstr, $errno) = IO::Uncompress::Adapter::Lzf::mkUncompObject();
|
| 194 |
+
|
| 195 |
+
return $self->saveErrorString(undef, $errstr, $errno)
|
| 196 |
+
if ! defined $obj;
|
| 197 |
+
|
| 198 |
+
*$self->{Uncomp} = $obj;
|
| 199 |
+
|
| 200 |
+
return 1;
|
| 201 |
+
}
|
| 202 |
+
|
| 203 |
+
if (defined $IO::Uncompress::UnZstd::VERSION and
|
| 204 |
+
$magic = $self->ckMagic('UnZstd')) {
|
| 205 |
+
|
| 206 |
+
*$self->{Info} = $self->readHeader($magic)
|
| 207 |
+
or return undef ;
|
| 208 |
+
|
| 209 |
+
my ($obj, $errstr, $errno) = IO::Uncompress::Adapter::UnZstd::mkUncompObject();
|
| 210 |
+
|
| 211 |
+
return $self->saveErrorString(undef, $errstr, $errno)
|
| 212 |
+
if ! defined $obj;
|
| 213 |
+
|
| 214 |
+
*$self->{Uncomp} = $obj;
|
| 215 |
+
|
| 216 |
+
return 1;
|
| 217 |
+
}
|
| 218 |
+
|
| 219 |
+
|
| 220 |
+
if (defined $IO::Uncompress::UnLzip::VERSION and
|
| 221 |
+
$magic = $self->ckMagic('UnLzip')) {
|
| 222 |
+
|
| 223 |
+
*$self->{Info} = $self->readHeader($magic)
|
| 224 |
+
or return undef ;
|
| 225 |
+
|
| 226 |
+
my ($obj, $errstr, $errno) = IO::Uncompress::Adapter::UnLzip::mkUncompObject(*$self->{Info}{DictSize});
|
| 227 |
+
|
| 228 |
+
return $self->saveErrorString(undef, $errstr, $errno)
|
| 229 |
+
if ! defined $obj;
|
| 230 |
+
|
| 231 |
+
*$self->{Uncomp} = $obj;
|
| 232 |
+
|
| 233 |
+
return 1;
|
| 234 |
+
}
|
| 235 |
+
|
| 236 |
+
return 0 ;
|
| 237 |
+
}
|
| 238 |
+
|
| 239 |
+
|
| 240 |
+
|
| 241 |
+
sub ckMagic
|
| 242 |
+
{
|
| 243 |
+
my $self = shift;
|
| 244 |
+
my @names = @_ ;
|
| 245 |
+
|
| 246 |
+
my $keep = ref $self ;
|
| 247 |
+
for my $class ( map { "IO::Uncompress::$_" } @names)
|
| 248 |
+
{
|
| 249 |
+
bless $self => $class;
|
| 250 |
+
my $magic = $self->ckMagic();
|
| 251 |
+
|
| 252 |
+
if ($magic)
|
| 253 |
+
{
|
| 254 |
+
#bless $self => $class;
|
| 255 |
+
return $magic ;
|
| 256 |
+
}
|
| 257 |
+
|
| 258 |
+
$self->pushBack(*$self->{HeaderPending}) ;
|
| 259 |
+
*$self->{HeaderPending} = '' ;
|
| 260 |
+
}
|
| 261 |
+
|
| 262 |
+
bless $self => $keep;
|
| 263 |
+
return undef;
|
| 264 |
+
}
|
| 265 |
+
|
| 266 |
+
1 ;
|
| 267 |
+
|
| 268 |
+
__END__
|
| 269 |
+
|
| 270 |
+
|
| 271 |
+
=head1 NAME
|
| 272 |
+
|
| 273 |
+
IO::Uncompress::AnyUncompress - Uncompress gzip, zip, bzip2, zstd, xz, lzma, lzip, lzf or lzop file/buffer
|
| 274 |
+
|
| 275 |
+
=head1 SYNOPSIS
|
| 276 |
+
|
| 277 |
+
use IO::Uncompress::AnyUncompress qw(anyuncompress $AnyUncompressError) ;
|
| 278 |
+
|
| 279 |
+
my $status = anyuncompress $input => $output [,OPTS]
|
| 280 |
+
or die "anyuncompress failed: $AnyUncompressError\n";
|
| 281 |
+
|
| 282 |
+
my $z = IO::Uncompress::AnyUncompress->new( $input [OPTS] )
|
| 283 |
+
or die "anyuncompress failed: $AnyUncompressError\n";
|
| 284 |
+
|
| 285 |
+
$status = $z->read($buffer)
|
| 286 |
+
$status = $z->read($buffer, $length)
|
| 287 |
+
$status = $z->read($buffer, $length, $offset)
|
| 288 |
+
$line = $z->getline()
|
| 289 |
+
$char = $z->getc()
|
| 290 |
+
$char = $z->ungetc()
|
| 291 |
+
$char = $z->opened()
|
| 292 |
+
|
| 293 |
+
$data = $z->trailingData()
|
| 294 |
+
$status = $z->nextStream()
|
| 295 |
+
$data = $z->getHeaderInfo()
|
| 296 |
+
$z->tell()
|
| 297 |
+
$z->seek($position, $whence)
|
| 298 |
+
$z->binmode()
|
| 299 |
+
$z->fileno()
|
| 300 |
+
$z->eof()
|
| 301 |
+
$z->close()
|
| 302 |
+
|
| 303 |
+
$AnyUncompressError ;
|
| 304 |
+
|
| 305 |
+
# IO::File mode
|
| 306 |
+
|
| 307 |
+
<$z>
|
| 308 |
+
read($z, $buffer);
|
| 309 |
+
read($z, $buffer, $length);
|
| 310 |
+
read($z, $buffer, $length, $offset);
|
| 311 |
+
tell($z)
|
| 312 |
+
seek($z, $position, $whence)
|
| 313 |
+
binmode($z)
|
| 314 |
+
fileno($z)
|
| 315 |
+
eof($z)
|
| 316 |
+
close($z)
|
| 317 |
+
|
| 318 |
+
=head1 DESCRIPTION
|
| 319 |
+
|
| 320 |
+
This module provides a Perl interface that allows the reading of
|
| 321 |
+
files/buffers that have been compressed with a variety of compression
|
| 322 |
+
libraries.
|
| 323 |
+
|
| 324 |
+
The formats supported are:
|
| 325 |
+
|
| 326 |
+
=over 5
|
| 327 |
+
|
| 328 |
+
=item RFC 1950
|
| 329 |
+
|
| 330 |
+
=item RFC 1951 (optionally)
|
| 331 |
+
|
| 332 |
+
=item gzip (RFC 1952)
|
| 333 |
+
|
| 334 |
+
=item zip
|
| 335 |
+
|
| 336 |
+
=item zstd (Zstandard)
|
| 337 |
+
|
| 338 |
+
=item bzip2
|
| 339 |
+
|
| 340 |
+
=item lzop
|
| 341 |
+
|
| 342 |
+
=item lzf
|
| 343 |
+
|
| 344 |
+
=item lzma
|
| 345 |
+
|
| 346 |
+
=item lzip
|
| 347 |
+
|
| 348 |
+
=item xz
|
| 349 |
+
|
| 350 |
+
=back
|
| 351 |
+
|
| 352 |
+
The module will auto-detect which, if any, of the supported
|
| 353 |
+
compression formats is being used.
|
| 354 |
+
|
| 355 |
+
=head1 Functional Interface
|
| 356 |
+
|
| 357 |
+
A top-level function, C<anyuncompress>, is provided to carry out
|
| 358 |
+
"one-shot" uncompression between buffers and/or files. For finer
|
| 359 |
+
control over the uncompression process, see the L</"OO Interface">
|
| 360 |
+
section.
|
| 361 |
+
|
| 362 |
+
use IO::Uncompress::AnyUncompress qw(anyuncompress $AnyUncompressError) ;
|
| 363 |
+
|
| 364 |
+
anyuncompress $input_filename_or_reference => $output_filename_or_reference [,OPTS]
|
| 365 |
+
or die "anyuncompress failed: $AnyUncompressError\n";
|
| 366 |
+
|
| 367 |
+
The functional interface needs Perl5.005 or better.
|
| 368 |
+
|
| 369 |
+
=head2 anyuncompress $input_filename_or_reference => $output_filename_or_reference [, OPTS]
|
| 370 |
+
|
| 371 |
+
C<anyuncompress> expects at least two parameters,
|
| 372 |
+
C<$input_filename_or_reference> and C<$output_filename_or_reference>
|
| 373 |
+
and zero or more optional parameters (see L</Optional Parameters>)
|
| 374 |
+
|
| 375 |
+
=head3 The C<$input_filename_or_reference> parameter
|
| 376 |
+
|
| 377 |
+
The parameter, C<$input_filename_or_reference>, is used to define the
|
| 378 |
+
source of the compressed data.
|
| 379 |
+
|
| 380 |
+
It can take one of the following forms:
|
| 381 |
+
|
| 382 |
+
=over 5
|
| 383 |
+
|
| 384 |
+
=item A filename
|
| 385 |
+
|
| 386 |
+
If the C<$input_filename_or_reference> parameter is a simple scalar, it is
|
| 387 |
+
assumed to be a filename. This file will be opened for reading and the
|
| 388 |
+
input data will be read from it.
|
| 389 |
+
|
| 390 |
+
=item A filehandle
|
| 391 |
+
|
| 392 |
+
If the C<$input_filename_or_reference> parameter is a filehandle, the input
|
| 393 |
+
data will be read from it. The string '-' can be used as an alias for
|
| 394 |
+
standard input.
|
| 395 |
+
|
| 396 |
+
=item A scalar reference
|
| 397 |
+
|
| 398 |
+
If C<$input_filename_or_reference> is a scalar reference, the input data
|
| 399 |
+
will be read from C<$$input_filename_or_reference>.
|
| 400 |
+
|
| 401 |
+
=item An array reference
|
| 402 |
+
|
| 403 |
+
If C<$input_filename_or_reference> is an array reference, each element in
|
| 404 |
+
the array must be a filename.
|
| 405 |
+
|
| 406 |
+
The input data will be read from each file in turn.
|
| 407 |
+
|
| 408 |
+
The complete array will be walked to ensure that it only
|
| 409 |
+
contains valid filenames before any data is uncompressed.
|
| 410 |
+
|
| 411 |
+
=item An Input FileGlob string
|
| 412 |
+
|
| 413 |
+
If C<$input_filename_or_reference> is a string that is delimited by the
|
| 414 |
+
characters "<" and ">" C<anyuncompress> will assume that it is an
|
| 415 |
+
I<input fileglob string>. The input is the list of files that match the
|
| 416 |
+
fileglob.
|
| 417 |
+
|
| 418 |
+
See L<File::GlobMapper|File::GlobMapper> for more details.
|
| 419 |
+
|
| 420 |
+
=back
|
| 421 |
+
|
| 422 |
+
If the C<$input_filename_or_reference> parameter is any other type,
|
| 423 |
+
C<undef> will be returned.
|
| 424 |
+
|
| 425 |
+
=head3 The C<$output_filename_or_reference> parameter
|
| 426 |
+
|
| 427 |
+
The parameter C<$output_filename_or_reference> is used to control the
|
| 428 |
+
destination of the uncompressed data. This parameter can take one of
|
| 429 |
+
these forms.
|
| 430 |
+
|
| 431 |
+
=over 5
|
| 432 |
+
|
| 433 |
+
=item A filename
|
| 434 |
+
|
| 435 |
+
If the C<$output_filename_or_reference> parameter is a simple scalar, it is
|
| 436 |
+
assumed to be a filename. This file will be opened for writing and the
|
| 437 |
+
uncompressed data will be written to it.
|
| 438 |
+
|
| 439 |
+
=item A filehandle
|
| 440 |
+
|
| 441 |
+
If the C<$output_filename_or_reference> parameter is a filehandle, the
|
| 442 |
+
uncompressed data will be written to it. The string '-' can be used as
|
| 443 |
+
an alias for standard output.
|
| 444 |
+
|
| 445 |
+
=item A scalar reference
|
| 446 |
+
|
| 447 |
+
If C<$output_filename_or_reference> is a scalar reference, the
|
| 448 |
+
uncompressed data will be stored in C<$$output_filename_or_reference>.
|
| 449 |
+
|
| 450 |
+
=item An Array Reference
|
| 451 |
+
|
| 452 |
+
If C<$output_filename_or_reference> is an array reference,
|
| 453 |
+
the uncompressed data will be pushed onto the array.
|
| 454 |
+
|
| 455 |
+
=item An Output FileGlob
|
| 456 |
+
|
| 457 |
+
If C<$output_filename_or_reference> is a string that is delimited by the
|
| 458 |
+
characters "<" and ">" C<anyuncompress> will assume that it is an
|
| 459 |
+
I<output fileglob string>. The output is the list of files that match the
|
| 460 |
+
fileglob.
|
| 461 |
+
|
| 462 |
+
When C<$output_filename_or_reference> is an fileglob string,
|
| 463 |
+
C<$input_filename_or_reference> must also be a fileglob string. Anything
|
| 464 |
+
else is an error.
|
| 465 |
+
|
| 466 |
+
See L<File::GlobMapper|File::GlobMapper> for more details.
|
| 467 |
+
|
| 468 |
+
=back
|
| 469 |
+
|
| 470 |
+
If the C<$output_filename_or_reference> parameter is any other type,
|
| 471 |
+
C<undef> will be returned.
|
| 472 |
+
|
| 473 |
+
=head2 Notes
|
| 474 |
+
|
| 475 |
+
When C<$input_filename_or_reference> maps to multiple compressed
|
| 476 |
+
files/buffers and C<$output_filename_or_reference> is
|
| 477 |
+
a single file/buffer, after uncompression C<$output_filename_or_reference> will contain a
|
| 478 |
+
concatenation of all the uncompressed data from each of the input
|
| 479 |
+
files/buffers.
|
| 480 |
+
|
| 481 |
+
=head2 Optional Parameters
|
| 482 |
+
|
| 483 |
+
The optional parameters for the one-shot function C<anyuncompress>
|
| 484 |
+
are (for the most part) identical to those used with the OO interface defined in the
|
| 485 |
+
L</"Constructor Options"> section. The exceptions are listed below
|
| 486 |
+
|
| 487 |
+
=over 5
|
| 488 |
+
|
| 489 |
+
=item C<< AutoClose => 0|1 >>
|
| 490 |
+
|
| 491 |
+
This option applies to any input or output data streams to
|
| 492 |
+
C<anyuncompress> that are filehandles.
|
| 493 |
+
|
| 494 |
+
If C<AutoClose> is specified, and the value is true, it will result in all
|
| 495 |
+
input and/or output filehandles being closed once C<anyuncompress> has
|
| 496 |
+
completed.
|
| 497 |
+
|
| 498 |
+
This parameter defaults to 0.
|
| 499 |
+
|
| 500 |
+
=item C<< BinModeOut => 0|1 >>
|
| 501 |
+
|
| 502 |
+
This option is now a no-op. All files will be written in binmode.
|
| 503 |
+
|
| 504 |
+
=item C<< Append => 0|1 >>
|
| 505 |
+
|
| 506 |
+
The behaviour of this option is dependent on the type of output data
|
| 507 |
+
stream.
|
| 508 |
+
|
| 509 |
+
=over 5
|
| 510 |
+
|
| 511 |
+
=item * A Buffer
|
| 512 |
+
|
| 513 |
+
If C<Append> is enabled, all uncompressed data will be append to the end of
|
| 514 |
+
the output buffer. Otherwise the output buffer will be cleared before any
|
| 515 |
+
uncompressed data is written to it.
|
| 516 |
+
|
| 517 |
+
=item * A Filename
|
| 518 |
+
|
| 519 |
+
If C<Append> is enabled, the file will be opened in append mode. Otherwise
|
| 520 |
+
the contents of the file, if any, will be truncated before any uncompressed
|
| 521 |
+
data is written to it.
|
| 522 |
+
|
| 523 |
+
=item * A Filehandle
|
| 524 |
+
|
| 525 |
+
If C<Append> is enabled, the filehandle will be positioned to the end of
|
| 526 |
+
the file via a call to C<seek> before any uncompressed data is
|
| 527 |
+
written to it. Otherwise the file pointer will not be moved.
|
| 528 |
+
|
| 529 |
+
=back
|
| 530 |
+
|
| 531 |
+
When C<Append> is specified, and set to true, it will I<append> all uncompressed
|
| 532 |
+
data to the output data stream.
|
| 533 |
+
|
| 534 |
+
So when the output is a filehandle it will carry out a seek to the eof
|
| 535 |
+
before writing any uncompressed data. If the output is a filename, it will be opened for
|
| 536 |
+
appending. If the output is a buffer, all uncompressed data will be
|
| 537 |
+
appended to the existing buffer.
|
| 538 |
+
|
| 539 |
+
Conversely when C<Append> is not specified, or it is present and is set to
|
| 540 |
+
false, it will operate as follows.
|
| 541 |
+
|
| 542 |
+
When the output is a filename, it will truncate the contents of the file
|
| 543 |
+
before writing any uncompressed data. If the output is a filehandle
|
| 544 |
+
its position will not be changed. If the output is a buffer, it will be
|
| 545 |
+
wiped before any uncompressed data is output.
|
| 546 |
+
|
| 547 |
+
Defaults to 0.
|
| 548 |
+
|
| 549 |
+
=item C<< MultiStream => 0|1 >>
|
| 550 |
+
|
| 551 |
+
If the input file/buffer contains multiple compressed data streams, this
|
| 552 |
+
option will uncompress the whole lot as a single data stream.
|
| 553 |
+
|
| 554 |
+
Defaults to 0.
|
| 555 |
+
|
| 556 |
+
=item C<< TrailingData => $scalar >>
|
| 557 |
+
|
| 558 |
+
Returns the data, if any, that is present immediately after the compressed
|
| 559 |
+
data stream once uncompression is complete.
|
| 560 |
+
|
| 561 |
+
This option can be used when there is useful information immediately
|
| 562 |
+
following the compressed data stream, and you don't know the length of the
|
| 563 |
+
compressed data stream.
|
| 564 |
+
|
| 565 |
+
If the input is a buffer, C<trailingData> will return everything from the
|
| 566 |
+
end of the compressed data stream to the end of the buffer.
|
| 567 |
+
|
| 568 |
+
If the input is a filehandle, C<trailingData> will return the data that is
|
| 569 |
+
left in the filehandle input buffer once the end of the compressed data
|
| 570 |
+
stream has been reached. You can then use the filehandle to read the rest
|
| 571 |
+
of the input file.
|
| 572 |
+
|
| 573 |
+
Don't bother using C<trailingData> if the input is a filename.
|
| 574 |
+
|
| 575 |
+
If you know the length of the compressed data stream before you start
|
| 576 |
+
uncompressing, you can avoid having to use C<trailingData> by setting the
|
| 577 |
+
C<InputLength> option.
|
| 578 |
+
|
| 579 |
+
=back
|
| 580 |
+
|
| 581 |
+
=head2 OneShot Examples
|
| 582 |
+
|
| 583 |
+
To read the contents of the file C<file1.txt.Compressed> and write the
|
| 584 |
+
uncompressed data to the file C<file1.txt>.
|
| 585 |
+
|
| 586 |
+
use strict ;
|
| 587 |
+
use warnings ;
|
| 588 |
+
use IO::Uncompress::AnyUncompress qw(anyuncompress $AnyUncompressError) ;
|
| 589 |
+
|
| 590 |
+
my $input = "file1.txt.Compressed";
|
| 591 |
+
my $output = "file1.txt";
|
| 592 |
+
anyuncompress $input => $output
|
| 593 |
+
or die "anyuncompress failed: $AnyUncompressError\n";
|
| 594 |
+
|
| 595 |
+
To read from an existing Perl filehandle, C<$input>, and write the
|
| 596 |
+
uncompressed data to a buffer, C<$buffer>.
|
| 597 |
+
|
| 598 |
+
use strict ;
|
| 599 |
+
use warnings ;
|
| 600 |
+
use IO::Uncompress::AnyUncompress qw(anyuncompress $AnyUncompressError) ;
|
| 601 |
+
use IO::File ;
|
| 602 |
+
|
| 603 |
+
my $input = IO::File->new( "<file1.txt.Compressed" )
|
| 604 |
+
or die "Cannot open 'file1.txt.Compressed': $!\n" ;
|
| 605 |
+
my $buffer ;
|
| 606 |
+
anyuncompress $input => \$buffer
|
| 607 |
+
or die "anyuncompress failed: $AnyUncompressError\n";
|
| 608 |
+
|
| 609 |
+
To uncompress all files in the directory "/my/home" that match "*.txt.Compressed" and store the compressed data in the same directory
|
| 610 |
+
|
| 611 |
+
use strict ;
|
| 612 |
+
use warnings ;
|
| 613 |
+
use IO::Uncompress::AnyUncompress qw(anyuncompress $AnyUncompressError) ;
|
| 614 |
+
|
| 615 |
+
anyuncompress '</my/home/*.txt.Compressed>' => '</my/home/#1.txt>'
|
| 616 |
+
or die "anyuncompress failed: $AnyUncompressError\n";
|
| 617 |
+
|
| 618 |
+
and if you want to compress each file one at a time, this will do the trick
|
| 619 |
+
|
| 620 |
+
use strict ;
|
| 621 |
+
use warnings ;
|
| 622 |
+
use IO::Uncompress::AnyUncompress qw(anyuncompress $AnyUncompressError) ;
|
| 623 |
+
|
| 624 |
+
for my $input ( glob "/my/home/*.txt.Compressed" )
|
| 625 |
+
{
|
| 626 |
+
my $output = $input;
|
| 627 |
+
$output =~ s/.Compressed// ;
|
| 628 |
+
anyuncompress $input => $output
|
| 629 |
+
or die "Error compressing '$input': $AnyUncompressError\n";
|
| 630 |
+
}
|
| 631 |
+
|
| 632 |
+
=head1 OO Interface
|
| 633 |
+
|
| 634 |
+
=head2 Constructor
|
| 635 |
+
|
| 636 |
+
The format of the constructor for IO::Uncompress::AnyUncompress is shown below
|
| 637 |
+
|
| 638 |
+
my $z = IO::Uncompress::AnyUncompress->new( $input [OPTS] )
|
| 639 |
+
or die "IO::Uncompress::AnyUncompress failed: $AnyUncompressError\n";
|
| 640 |
+
|
| 641 |
+
The constructor takes one mandatory parameter, C<$input>, defined below, and
|
| 642 |
+
zero or more C<OPTS>, defined in L<Constructor Options>.
|
| 643 |
+
|
| 644 |
+
Returns an C<IO::Uncompress::AnyUncompress> object on success and undef on failure.
|
| 645 |
+
The variable C<$AnyUncompressError> will contain an error message on failure.
|
| 646 |
+
|
| 647 |
+
If you are running Perl 5.005 or better the object, C<$z>, returned from
|
| 648 |
+
IO::Uncompress::AnyUncompress can be used exactly like an L<IO::File|IO::File> filehandle.
|
| 649 |
+
This means that all normal input file operations can be carried out with
|
| 650 |
+
C<$z>. For example, to read a line from a compressed file/buffer you can
|
| 651 |
+
use either of these forms
|
| 652 |
+
|
| 653 |
+
$line = $z->getline();
|
| 654 |
+
$line = <$z>;
|
| 655 |
+
|
| 656 |
+
Below is a simple exaple of using the OO interface to read the compressed file
|
| 657 |
+
C<myfile.Compressed> and write its contents to stdout.
|
| 658 |
+
|
| 659 |
+
my $filename = "myfile.Compressed";
|
| 660 |
+
my $z = IO::Uncompress::AnyUncompress->new($filename)
|
| 661 |
+
or die "IO::Uncompress::AnyUncompress failed: $AnyUncompressError\n";
|
| 662 |
+
|
| 663 |
+
while (<$z>) {
|
| 664 |
+
print $_;
|
| 665 |
+
}
|
| 666 |
+
$z->close();
|
| 667 |
+
|
| 668 |
+
See L</EXAMPLES> for further examples
|
| 669 |
+
|
| 670 |
+
The mandatory parameter C<$input> is used to determine the source of the
|
| 671 |
+
compressed data. This parameter can take one of three forms.
|
| 672 |
+
|
| 673 |
+
=over 5
|
| 674 |
+
|
| 675 |
+
=item A filename
|
| 676 |
+
|
| 677 |
+
If the C<$input> parameter is a scalar, it is assumed to be a filename. This
|
| 678 |
+
file will be opened for reading and the compressed data will be read from it.
|
| 679 |
+
|
| 680 |
+
=item A filehandle
|
| 681 |
+
|
| 682 |
+
If the C<$input> parameter is a filehandle, the compressed data will be
|
| 683 |
+
read from it.
|
| 684 |
+
The string '-' can be used as an alias for standard input.
|
| 685 |
+
|
| 686 |
+
=item A scalar reference
|
| 687 |
+
|
| 688 |
+
If C<$input> is a scalar reference, the compressed data will be read from
|
| 689 |
+
C<$$input>.
|
| 690 |
+
|
| 691 |
+
=back
|
| 692 |
+
|
| 693 |
+
=head2 Constructor Options
|
| 694 |
+
|
| 695 |
+
The option names defined below are case insensitive and can be optionally
|
| 696 |
+
prefixed by a '-'. So all of the following are valid
|
| 697 |
+
|
| 698 |
+
-AutoClose
|
| 699 |
+
-autoclose
|
| 700 |
+
AUTOCLOSE
|
| 701 |
+
autoclose
|
| 702 |
+
|
| 703 |
+
OPTS is a combination of the following options:
|
| 704 |
+
|
| 705 |
+
=over 5
|
| 706 |
+
|
| 707 |
+
=item C<< AutoClose => 0|1 >>
|
| 708 |
+
|
| 709 |
+
This option is only valid when the C<$input> parameter is a filehandle. If
|
| 710 |
+
specified, and the value is true, it will result in the file being closed once
|
| 711 |
+
either the C<close> method is called or the IO::Uncompress::AnyUncompress object is
|
| 712 |
+
destroyed.
|
| 713 |
+
|
| 714 |
+
This parameter defaults to 0.
|
| 715 |
+
|
| 716 |
+
=item C<< MultiStream => 0|1 >>
|
| 717 |
+
|
| 718 |
+
Allows multiple concatenated compressed streams to be treated as a single
|
| 719 |
+
compressed stream. Decompression will stop once either the end of the
|
| 720 |
+
file/buffer is reached, an error is encountered (premature eof, corrupt
|
| 721 |
+
compressed data) or the end of a stream is not immediately followed by the
|
| 722 |
+
start of another stream.
|
| 723 |
+
|
| 724 |
+
This parameter defaults to 0.
|
| 725 |
+
|
| 726 |
+
=item C<< Prime => $string >>
|
| 727 |
+
|
| 728 |
+
This option will uncompress the contents of C<$string> before processing the
|
| 729 |
+
input file/buffer.
|
| 730 |
+
|
| 731 |
+
This option can be useful when the compressed data is embedded in another
|
| 732 |
+
file/data structure and it is not possible to work out where the compressed
|
| 733 |
+
data begins without having to read the first few bytes. If this is the
|
| 734 |
+
case, the uncompression can be I<primed> with these bytes using this
|
| 735 |
+
option.
|
| 736 |
+
|
| 737 |
+
=item C<< Transparent => 0|1 >>
|
| 738 |
+
|
| 739 |
+
If this option is set and the input file/buffer is not compressed data,
|
| 740 |
+
the module will allow reading of it anyway.
|
| 741 |
+
|
| 742 |
+
In addition, if the input file/buffer does contain compressed data and
|
| 743 |
+
there is non-compressed data immediately following it, setting this option
|
| 744 |
+
will make this module treat the whole file/buffer as a single data stream.
|
| 745 |
+
|
| 746 |
+
This option defaults to 1.
|
| 747 |
+
|
| 748 |
+
=item C<< BlockSize => $num >>
|
| 749 |
+
|
| 750 |
+
When reading the compressed input data, IO::Uncompress::AnyUncompress will read it in
|
| 751 |
+
blocks of C<$num> bytes.
|
| 752 |
+
|
| 753 |
+
This option defaults to 4096.
|
| 754 |
+
|
| 755 |
+
=item C<< InputLength => $size >>
|
| 756 |
+
|
| 757 |
+
When present this option will limit the number of compressed bytes read
|
| 758 |
+
from the input file/buffer to C<$size>. This option can be used in the
|
| 759 |
+
situation where there is useful data directly after the compressed data
|
| 760 |
+
stream and you know beforehand the exact length of the compressed data
|
| 761 |
+
stream.
|
| 762 |
+
|
| 763 |
+
This option is mostly used when reading from a filehandle, in which case
|
| 764 |
+
the file pointer will be left pointing to the first byte directly after the
|
| 765 |
+
compressed data stream.
|
| 766 |
+
|
| 767 |
+
This option defaults to off.
|
| 768 |
+
|
| 769 |
+
=item C<< Append => 0|1 >>
|
| 770 |
+
|
| 771 |
+
This option controls what the C<read> method does with uncompressed data.
|
| 772 |
+
|
| 773 |
+
If set to 1, all uncompressed data will be appended to the output parameter
|
| 774 |
+
of the C<read> method.
|
| 775 |
+
|
| 776 |
+
If set to 0, the contents of the output parameter of the C<read> method
|
| 777 |
+
will be overwritten by the uncompressed data.
|
| 778 |
+
|
| 779 |
+
Defaults to 0.
|
| 780 |
+
|
| 781 |
+
=item C<< Strict => 0|1 >>
|
| 782 |
+
|
| 783 |
+
This option controls whether the extra checks defined below are used when
|
| 784 |
+
carrying out the decompression. When Strict is on, the extra tests are
|
| 785 |
+
carried out, when Strict is off they are not.
|
| 786 |
+
|
| 787 |
+
The default for this option is off.
|
| 788 |
+
|
| 789 |
+
=item C<< RawInflate => 0|1 >>
|
| 790 |
+
|
| 791 |
+
When auto-detecting the compressed format, try to test for raw-deflate (RFC
|
| 792 |
+
1951) content using the C<IO::Uncompress::RawInflate> module.
|
| 793 |
+
|
| 794 |
+
The reason this is not default behaviour is because RFC 1951 content can
|
| 795 |
+
only be detected by attempting to uncompress it. This process is error
|
| 796 |
+
prone and can result is false positives.
|
| 797 |
+
|
| 798 |
+
Defaults to 0.
|
| 799 |
+
|
| 800 |
+
=item C<< UnLzma => 0|1 >>
|
| 801 |
+
|
| 802 |
+
When auto-detecting the compressed format, try to test for lzma_alone
|
| 803 |
+
content using the C<IO::Uncompress::UnLzma> module.
|
| 804 |
+
|
| 805 |
+
The reason this is not default behaviour is because lzma_alone content can
|
| 806 |
+
only be detected by attempting to uncompress it. This process is error
|
| 807 |
+
prone and can result is false positives.
|
| 808 |
+
|
| 809 |
+
Defaults to 0.
|
| 810 |
+
|
| 811 |
+
=back
|
| 812 |
+
|
| 813 |
+
=head1 Methods
|
| 814 |
+
|
| 815 |
+
=head2 read
|
| 816 |
+
|
| 817 |
+
Usage is
|
| 818 |
+
|
| 819 |
+
$status = $z->read($buffer)
|
| 820 |
+
|
| 821 |
+
Reads a block of compressed data (the size of the compressed block is
|
| 822 |
+
determined by the C<Buffer> option in the constructor), uncompresses it and
|
| 823 |
+
writes any uncompressed data into C<$buffer>. If the C<Append> parameter is
|
| 824 |
+
set in the constructor, the uncompressed data will be appended to the
|
| 825 |
+
C<$buffer> parameter. Otherwise C<$buffer> will be overwritten.
|
| 826 |
+
|
| 827 |
+
Returns the number of uncompressed bytes written to C<$buffer>, zero if eof
|
| 828 |
+
or a negative number on error.
|
| 829 |
+
|
| 830 |
+
=head2 read
|
| 831 |
+
|
| 832 |
+
Usage is
|
| 833 |
+
|
| 834 |
+
$status = $z->read($buffer, $length)
|
| 835 |
+
$status = $z->read($buffer, $length, $offset)
|
| 836 |
+
|
| 837 |
+
$status = read($z, $buffer, $length)
|
| 838 |
+
$status = read($z, $buffer, $length, $offset)
|
| 839 |
+
|
| 840 |
+
Attempt to read C<$length> bytes of uncompressed data into C<$buffer>.
|
| 841 |
+
|
| 842 |
+
The main difference between this form of the C<read> method and the
|
| 843 |
+
previous one, is that this one will attempt to return I<exactly> C<$length>
|
| 844 |
+
bytes. The only circumstances that this function will not is if end-of-file
|
| 845 |
+
or an IO error is encountered.
|
| 846 |
+
|
| 847 |
+
Returns the number of uncompressed bytes written to C<$buffer>, zero if eof
|
| 848 |
+
or a negative number on error.
|
| 849 |
+
|
| 850 |
+
=head2 getline
|
| 851 |
+
|
| 852 |
+
Usage is
|
| 853 |
+
|
| 854 |
+
$line = $z->getline()
|
| 855 |
+
$line = <$z>
|
| 856 |
+
|
| 857 |
+
Reads a single line.
|
| 858 |
+
|
| 859 |
+
This method fully supports the use of the variable C<$/> (or
|
| 860 |
+
C<$INPUT_RECORD_SEPARATOR> or C<$RS> when C<English> is in use) to
|
| 861 |
+
determine what constitutes an end of line. Paragraph mode, record mode and
|
| 862 |
+
file slurp mode are all supported.
|
| 863 |
+
|
| 864 |
+
=head2 getc
|
| 865 |
+
|
| 866 |
+
Usage is
|
| 867 |
+
|
| 868 |
+
$char = $z->getc()
|
| 869 |
+
|
| 870 |
+
Read a single character.
|
| 871 |
+
|
| 872 |
+
=head2 ungetc
|
| 873 |
+
|
| 874 |
+
Usage is
|
| 875 |
+
|
| 876 |
+
$char = $z->ungetc($string)
|
| 877 |
+
|
| 878 |
+
=head2 getHeaderInfo
|
| 879 |
+
|
| 880 |
+
Usage is
|
| 881 |
+
|
| 882 |
+
$hdr = $z->getHeaderInfo();
|
| 883 |
+
@hdrs = $z->getHeaderInfo();
|
| 884 |
+
|
| 885 |
+
This method returns either a hash reference (in scalar context) or a list
|
| 886 |
+
or hash references (in array context) that contains information about each
|
| 887 |
+
of the header fields in the compressed data stream(s).
|
| 888 |
+
|
| 889 |
+
=head2 tell
|
| 890 |
+
|
| 891 |
+
Usage is
|
| 892 |
+
|
| 893 |
+
$z->tell()
|
| 894 |
+
tell $z
|
| 895 |
+
|
| 896 |
+
Returns the uncompressed file offset.
|
| 897 |
+
|
| 898 |
+
=head2 eof
|
| 899 |
+
|
| 900 |
+
Usage is
|
| 901 |
+
|
| 902 |
+
$z->eof();
|
| 903 |
+
eof($z);
|
| 904 |
+
|
| 905 |
+
Returns true if the end of the compressed input stream has been reached.
|
| 906 |
+
|
| 907 |
+
=head2 seek
|
| 908 |
+
|
| 909 |
+
$z->seek($position, $whence);
|
| 910 |
+
seek($z, $position, $whence);
|
| 911 |
+
|
| 912 |
+
Provides a sub-set of the C<seek> functionality, with the restriction
|
| 913 |
+
that it is only legal to seek forward in the input file/buffer.
|
| 914 |
+
It is a fatal error to attempt to seek backward.
|
| 915 |
+
|
| 916 |
+
Note that the implementation of C<seek> in this module does not provide
|
| 917 |
+
true random access to a compressed file/buffer. It works by uncompressing
|
| 918 |
+
data from the current offset in the file/buffer until it reaches the
|
| 919 |
+
uncompressed offset specified in the parameters to C<seek>. For very small
|
| 920 |
+
files this may be acceptable behaviour. For large files it may cause an
|
| 921 |
+
unacceptable delay.
|
| 922 |
+
|
| 923 |
+
The C<$whence> parameter takes one the usual values, namely SEEK_SET,
|
| 924 |
+
SEEK_CUR or SEEK_END.
|
| 925 |
+
|
| 926 |
+
Returns 1 on success, 0 on failure.
|
| 927 |
+
|
| 928 |
+
=head2 binmode
|
| 929 |
+
|
| 930 |
+
Usage is
|
| 931 |
+
|
| 932 |
+
$z->binmode
|
| 933 |
+
binmode $z ;
|
| 934 |
+
|
| 935 |
+
This is a noop provided for completeness.
|
| 936 |
+
|
| 937 |
+
=head2 opened
|
| 938 |
+
|
| 939 |
+
$z->opened()
|
| 940 |
+
|
| 941 |
+
Returns true if the object currently refers to a opened file/buffer.
|
| 942 |
+
|
| 943 |
+
=head2 autoflush
|
| 944 |
+
|
| 945 |
+
my $prev = $z->autoflush()
|
| 946 |
+
my $prev = $z->autoflush(EXPR)
|
| 947 |
+
|
| 948 |
+
If the C<$z> object is associated with a file or a filehandle, this method
|
| 949 |
+
returns the current autoflush setting for the underlying filehandle. If
|
| 950 |
+
C<EXPR> is present, and is non-zero, it will enable flushing after every
|
| 951 |
+
write/print operation.
|
| 952 |
+
|
| 953 |
+
If C<$z> is associated with a buffer, this method has no effect and always
|
| 954 |
+
returns C<undef>.
|
| 955 |
+
|
| 956 |
+
B<Note> that the special variable C<$|> B<cannot> be used to set or
|
| 957 |
+
retrieve the autoflush setting.
|
| 958 |
+
|
| 959 |
+
=head2 input_line_number
|
| 960 |
+
|
| 961 |
+
$z->input_line_number()
|
| 962 |
+
$z->input_line_number(EXPR)
|
| 963 |
+
|
| 964 |
+
Returns the current uncompressed line number. If C<EXPR> is present it has
|
| 965 |
+
the effect of setting the line number. Note that setting the line number
|
| 966 |
+
does not change the current position within the file/buffer being read.
|
| 967 |
+
|
| 968 |
+
The contents of C<$/> are used to determine what constitutes a line
|
| 969 |
+
terminator.
|
| 970 |
+
|
| 971 |
+
=head2 fileno
|
| 972 |
+
|
| 973 |
+
$z->fileno()
|
| 974 |
+
fileno($z)
|
| 975 |
+
|
| 976 |
+
If the C<$z> object is associated with a file or a filehandle, C<fileno>
|
| 977 |
+
will return the underlying file descriptor. Once the C<close> method is
|
| 978 |
+
called C<fileno> will return C<undef>.
|
| 979 |
+
|
| 980 |
+
If the C<$z> object is associated with a buffer, this method will return
|
| 981 |
+
C<undef>.
|
| 982 |
+
|
| 983 |
+
=head2 close
|
| 984 |
+
|
| 985 |
+
$z->close() ;
|
| 986 |
+
close $z ;
|
| 987 |
+
|
| 988 |
+
Closes the output file/buffer.
|
| 989 |
+
|
| 990 |
+
For most versions of Perl this method will be automatically invoked if
|
| 991 |
+
the IO::Uncompress::AnyUncompress object is destroyed (either explicitly or by the
|
| 992 |
+
variable with the reference to the object going out of scope). The
|
| 993 |
+
exceptions are Perl versions 5.005 through 5.00504 and 5.8.0. In
|
| 994 |
+
these cases, the C<close> method will be called automatically, but
|
| 995 |
+
not until global destruction of all live objects when the program is
|
| 996 |
+
terminating.
|
| 997 |
+
|
| 998 |
+
Therefore, if you want your scripts to be able to run on all versions
|
| 999 |
+
of Perl, you should call C<close> explicitly and not rely on automatic
|
| 1000 |
+
closing.
|
| 1001 |
+
|
| 1002 |
+
Returns true on success, otherwise 0.
|
| 1003 |
+
|
| 1004 |
+
If the C<AutoClose> option has been enabled when the IO::Uncompress::AnyUncompress
|
| 1005 |
+
object was created, and the object is associated with a file, the
|
| 1006 |
+
underlying file will also be closed.
|
| 1007 |
+
|
| 1008 |
+
=head2 nextStream
|
| 1009 |
+
|
| 1010 |
+
Usage is
|
| 1011 |
+
|
| 1012 |
+
my $status = $z->nextStream();
|
| 1013 |
+
|
| 1014 |
+
Skips to the next compressed data stream in the input file/buffer. If a new
|
| 1015 |
+
compressed data stream is found, the eof marker will be cleared and C<$.>
|
| 1016 |
+
will be reset to 0.
|
| 1017 |
+
|
| 1018 |
+
Returns 1 if a new stream was found, 0 if none was found, and -1 if an
|
| 1019 |
+
error was encountered.
|
| 1020 |
+
|
| 1021 |
+
=head2 trailingData
|
| 1022 |
+
|
| 1023 |
+
Usage is
|
| 1024 |
+
|
| 1025 |
+
my $data = $z->trailingData();
|
| 1026 |
+
|
| 1027 |
+
Returns the data, if any, that is present immediately after the compressed
|
| 1028 |
+
data stream once uncompression is complete. It only makes sense to call
|
| 1029 |
+
this method once the end of the compressed data stream has been
|
| 1030 |
+
encountered.
|
| 1031 |
+
|
| 1032 |
+
This option can be used when there is useful information immediately
|
| 1033 |
+
following the compressed data stream, and you don't know the length of the
|
| 1034 |
+
compressed data stream.
|
| 1035 |
+
|
| 1036 |
+
If the input is a buffer, C<trailingData> will return everything from the
|
| 1037 |
+
end of the compressed data stream to the end of the buffer.
|
| 1038 |
+
|
| 1039 |
+
If the input is a filehandle, C<trailingData> will return the data that is
|
| 1040 |
+
left in the filehandle input buffer once the end of the compressed data
|
| 1041 |
+
stream has been reached. You can then use the filehandle to read the rest
|
| 1042 |
+
of the input file.
|
| 1043 |
+
|
| 1044 |
+
Don't bother using C<trailingData> if the input is a filename.
|
| 1045 |
+
|
| 1046 |
+
If you know the length of the compressed data stream before you start
|
| 1047 |
+
uncompressing, you can avoid having to use C<trailingData> by setting the
|
| 1048 |
+
C<InputLength> option in the constructor.
|
| 1049 |
+
|
| 1050 |
+
=head1 Importing
|
| 1051 |
+
|
| 1052 |
+
No symbolic constants are required by IO::Uncompress::AnyUncompress at present.
|
| 1053 |
+
|
| 1054 |
+
=over 5
|
| 1055 |
+
|
| 1056 |
+
=item :all
|
| 1057 |
+
|
| 1058 |
+
Imports C<anyuncompress> and C<$AnyUncompressError>.
|
| 1059 |
+
Same as doing this
|
| 1060 |
+
|
| 1061 |
+
use IO::Uncompress::AnyUncompress qw(anyuncompress $AnyUncompressError) ;
|
| 1062 |
+
|
| 1063 |
+
=back
|
| 1064 |
+
|
| 1065 |
+
=head1 EXAMPLES
|
| 1066 |
+
|
| 1067 |
+
=head1 SUPPORT
|
| 1068 |
+
|
| 1069 |
+
General feedback/questions/bug reports should be sent to
|
| 1070 |
+
L<https://github.com/pmqs/IO-Compress/issues> (preferred) or
|
| 1071 |
+
L<https://rt.cpan.org/Public/Dist/Display.html?Name=IO-Compress>.
|
| 1072 |
+
|
| 1073 |
+
=head1 SEE ALSO
|
| 1074 |
+
|
| 1075 |
+
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::Lzma>, L<IO::Uncompress::UnLzma>, L<IO::Compress::Xz>, L<IO::Uncompress::UnXz>, L<IO::Compress::Lzip>, L<IO::Uncompress::UnLzip>, L<IO::Compress::Lzop>, L<IO::Uncompress::UnLzop>, L<IO::Compress::Lzf>, L<IO::Uncompress::UnLzf>, L<IO::Compress::Zstd>, L<IO::Uncompress::UnZstd>, L<IO::Uncompress::AnyInflate>
|
| 1076 |
+
|
| 1077 |
+
L<IO::Compress::FAQ|IO::Compress::FAQ>
|
| 1078 |
+
|
| 1079 |
+
L<File::GlobMapper|File::GlobMapper>, L<Archive::Zip|Archive::Zip>,
|
| 1080 |
+
L<Archive::Tar|Archive::Tar>,
|
| 1081 |
+
L<IO::Zlib|IO::Zlib>
|
| 1082 |
+
|
| 1083 |
+
=head1 AUTHOR
|
| 1084 |
+
|
| 1085 |
+
This module was written by Paul Marquess, C<pmqs@cpan.org>.
|
| 1086 |
+
|
| 1087 |
+
=head1 MODIFICATION HISTORY
|
| 1088 |
+
|
| 1089 |
+
See the Changes file.
|
| 1090 |
+
|
| 1091 |
+
=head1 COPYRIGHT AND LICENSE
|
| 1092 |
+
|
| 1093 |
+
Copyright (c) 2005-2024 Paul Marquess. All rights reserved.
|
| 1094 |
+
|
| 1095 |
+
This program is free software; you can redistribute it and/or
|
| 1096 |
+
modify it under the same terms as Perl itself.
|
git/usr/share/perl5/core_perl/IO/Uncompress/Base.pm
ADDED
|
@@ -0,0 +1,1573 @@
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|
| 1 |
+
|
| 2 |
+
package IO::Uncompress::Base ;
|
| 3 |
+
|
| 4 |
+
use strict ;
|
| 5 |
+
use warnings;
|
| 6 |
+
use bytes;
|
| 7 |
+
|
| 8 |
+
our (@ISA, $VERSION, @EXPORT_OK, %EXPORT_TAGS);
|
| 9 |
+
@ISA = qw(IO::File Exporter);
|
| 10 |
+
|
| 11 |
+
|
| 12 |
+
$VERSION = '2.213';
|
| 13 |
+
|
| 14 |
+
use constant G_EOF => 0 ;
|
| 15 |
+
use constant G_ERR => -1 ;
|
| 16 |
+
|
| 17 |
+
use IO::Compress::Base::Common 2.213 ;
|
| 18 |
+
|
| 19 |
+
use IO::File ;
|
| 20 |
+
use Symbol;
|
| 21 |
+
use Scalar::Util ();
|
| 22 |
+
use List::Util ();
|
| 23 |
+
use Carp ;
|
| 24 |
+
|
| 25 |
+
%EXPORT_TAGS = ( );
|
| 26 |
+
push @{ $EXPORT_TAGS{all} }, @EXPORT_OK ;
|
| 27 |
+
|
| 28 |
+
sub smartRead
|
| 29 |
+
{
|
| 30 |
+
my $self = $_[0];
|
| 31 |
+
my $out = $_[1];
|
| 32 |
+
my $size = $_[2];
|
| 33 |
+
$$out = "" ;
|
| 34 |
+
|
| 35 |
+
my $offset = 0 ;
|
| 36 |
+
my $status = 1;
|
| 37 |
+
|
| 38 |
+
|
| 39 |
+
if (defined *$self->{InputLength}) {
|
| 40 |
+
return 0
|
| 41 |
+
if *$self->{InputLengthRemaining} <= 0 ;
|
| 42 |
+
$size = List::Util::min($size, *$self->{InputLengthRemaining});
|
| 43 |
+
}
|
| 44 |
+
|
| 45 |
+
if ( length *$self->{Prime} ) {
|
| 46 |
+
$$out = substr(*$self->{Prime}, 0, $size) ;
|
| 47 |
+
substr(*$self->{Prime}, 0, $size) = '' ;
|
| 48 |
+
if (length $$out == $size) {
|
| 49 |
+
*$self->{InputLengthRemaining} -= length $$out
|
| 50 |
+
if defined *$self->{InputLength};
|
| 51 |
+
|
| 52 |
+
return length $$out ;
|
| 53 |
+
}
|
| 54 |
+
$offset = length $$out ;
|
| 55 |
+
}
|
| 56 |
+
|
| 57 |
+
my $get_size = $size - $offset ;
|
| 58 |
+
|
| 59 |
+
if (defined *$self->{FH}) {
|
| 60 |
+
if ($offset) {
|
| 61 |
+
# Not using this
|
| 62 |
+
#
|
| 63 |
+
# *$self->{FH}->read($$out, $get_size, $offset);
|
| 64 |
+
#
|
| 65 |
+
# because the filehandle may not support the offset parameter
|
| 66 |
+
# An example is Net::FTP
|
| 67 |
+
my $tmp = '';
|
| 68 |
+
$status = *$self->{FH}->read($tmp, $get_size) ;
|
| 69 |
+
substr($$out, $offset) = $tmp
|
| 70 |
+
if defined $status && $status > 0 ;
|
| 71 |
+
}
|
| 72 |
+
else
|
| 73 |
+
{ $status = *$self->{FH}->read($$out, $get_size) }
|
| 74 |
+
}
|
| 75 |
+
elsif (defined *$self->{InputEvent}) {
|
| 76 |
+
my $got = 1 ;
|
| 77 |
+
while (length $$out < $size) {
|
| 78 |
+
last
|
| 79 |
+
if ($got = *$self->{InputEvent}->($$out, $get_size)) <= 0;
|
| 80 |
+
}
|
| 81 |
+
|
| 82 |
+
if (length $$out > $size ) {
|
| 83 |
+
*$self->{Prime} = substr($$out, $size, length($$out));
|
| 84 |
+
substr($$out, $size, length($$out)) = '';
|
| 85 |
+
}
|
| 86 |
+
|
| 87 |
+
*$self->{EventEof} = 1 if $got <= 0 ;
|
| 88 |
+
}
|
| 89 |
+
else {
|
| 90 |
+
no warnings 'uninitialized';
|
| 91 |
+
my $buf = *$self->{Buffer} ;
|
| 92 |
+
$$buf = '' unless defined $$buf ;
|
| 93 |
+
substr($$out, $offset) = substr($$buf, *$self->{BufferOffset}, $get_size);
|
| 94 |
+
if (*$self->{ConsumeInput})
|
| 95 |
+
{ substr($$buf, 0, $get_size) = '' }
|
| 96 |
+
else
|
| 97 |
+
{ *$self->{BufferOffset} += length($$out) - $offset }
|
| 98 |
+
}
|
| 99 |
+
|
| 100 |
+
*$self->{InputLengthRemaining} -= length($$out) #- $offset
|
| 101 |
+
if defined *$self->{InputLength};
|
| 102 |
+
|
| 103 |
+
if (! defined $status) {
|
| 104 |
+
$self->saveStatus($!) ;
|
| 105 |
+
return STATUS_ERROR;
|
| 106 |
+
}
|
| 107 |
+
|
| 108 |
+
$self->saveStatus(length $$out < 0 ? STATUS_ERROR : STATUS_OK) ;
|
| 109 |
+
|
| 110 |
+
return length $$out;
|
| 111 |
+
}
|
| 112 |
+
|
| 113 |
+
sub pushBack
|
| 114 |
+
{
|
| 115 |
+
my $self = shift ;
|
| 116 |
+
|
| 117 |
+
return if ! defined $_[0] || length $_[0] == 0 ;
|
| 118 |
+
|
| 119 |
+
if (defined *$self->{FH} || defined *$self->{InputEvent} ) {
|
| 120 |
+
*$self->{Prime} = $_[0] . *$self->{Prime} ;
|
| 121 |
+
*$self->{InputLengthRemaining} += length($_[0]);
|
| 122 |
+
}
|
| 123 |
+
else {
|
| 124 |
+
my $len = length $_[0];
|
| 125 |
+
|
| 126 |
+
if($len > *$self->{BufferOffset}) {
|
| 127 |
+
*$self->{Prime} = substr($_[0], 0, $len - *$self->{BufferOffset}) . *$self->{Prime} ;
|
| 128 |
+
*$self->{InputLengthRemaining} = *$self->{InputLength};
|
| 129 |
+
*$self->{BufferOffset} = 0
|
| 130 |
+
}
|
| 131 |
+
else {
|
| 132 |
+
*$self->{InputLengthRemaining} += length($_[0]);
|
| 133 |
+
*$self->{BufferOffset} -= length($_[0]) ;
|
| 134 |
+
}
|
| 135 |
+
}
|
| 136 |
+
}
|
| 137 |
+
|
| 138 |
+
sub smartSeek
|
| 139 |
+
{
|
| 140 |
+
my $self = shift ;
|
| 141 |
+
my $offset = shift ;
|
| 142 |
+
my $truncate = shift;
|
| 143 |
+
my $position = shift || SEEK_SET;
|
| 144 |
+
|
| 145 |
+
# TODO -- need to take prime into account
|
| 146 |
+
*$self->{Prime} = '';
|
| 147 |
+
if (defined *$self->{FH})
|
| 148 |
+
{ *$self->{FH}->seek($offset, $position) }
|
| 149 |
+
else {
|
| 150 |
+
if ($position == SEEK_END) {
|
| 151 |
+
*$self->{BufferOffset} = length(${ *$self->{Buffer} }) + $offset ;
|
| 152 |
+
}
|
| 153 |
+
elsif ($position == SEEK_CUR) {
|
| 154 |
+
*$self->{BufferOffset} += $offset ;
|
| 155 |
+
}
|
| 156 |
+
else {
|
| 157 |
+
*$self->{BufferOffset} = $offset ;
|
| 158 |
+
}
|
| 159 |
+
|
| 160 |
+
substr(${ *$self->{Buffer} }, *$self->{BufferOffset}) = ''
|
| 161 |
+
if $truncate;
|
| 162 |
+
return 1;
|
| 163 |
+
}
|
| 164 |
+
}
|
| 165 |
+
|
| 166 |
+
sub smartTell
|
| 167 |
+
{
|
| 168 |
+
my $self = shift ;
|
| 169 |
+
|
| 170 |
+
if (defined *$self->{FH})
|
| 171 |
+
{ return *$self->{FH}->tell() }
|
| 172 |
+
else
|
| 173 |
+
{ return *$self->{BufferOffset} }
|
| 174 |
+
}
|
| 175 |
+
|
| 176 |
+
sub smartWrite
|
| 177 |
+
{
|
| 178 |
+
my $self = shift ;
|
| 179 |
+
my $out_data = shift ;
|
| 180 |
+
|
| 181 |
+
if (defined *$self->{FH}) {
|
| 182 |
+
# flush needed for 5.8.0
|
| 183 |
+
defined *$self->{FH}->write($out_data, length $out_data) &&
|
| 184 |
+
defined *$self->{FH}->flush() ;
|
| 185 |
+
}
|
| 186 |
+
else {
|
| 187 |
+
my $buf = *$self->{Buffer} ;
|
| 188 |
+
substr($$buf, *$self->{BufferOffset}, length $out_data) = $out_data ;
|
| 189 |
+
*$self->{BufferOffset} += length($out_data) ;
|
| 190 |
+
return 1;
|
| 191 |
+
}
|
| 192 |
+
}
|
| 193 |
+
|
| 194 |
+
sub smartReadExact
|
| 195 |
+
{
|
| 196 |
+
return $_[0]->smartRead($_[1], $_[2]) == $_[2];
|
| 197 |
+
}
|
| 198 |
+
|
| 199 |
+
sub smartEof
|
| 200 |
+
{
|
| 201 |
+
my ($self) = $_[0];
|
| 202 |
+
local $.;
|
| 203 |
+
|
| 204 |
+
return 0 if length *$self->{Prime} || *$self->{PushMode};
|
| 205 |
+
|
| 206 |
+
if (defined *$self->{FH})
|
| 207 |
+
{
|
| 208 |
+
# Could use
|
| 209 |
+
#
|
| 210 |
+
# *$self->{FH}->eof()
|
| 211 |
+
#
|
| 212 |
+
# here, but this can cause trouble if
|
| 213 |
+
# the filehandle is itself a tied handle, but it uses sysread.
|
| 214 |
+
# Then we get into mixing buffered & non-buffered IO,
|
| 215 |
+
# which will cause trouble
|
| 216 |
+
|
| 217 |
+
my $info = $self->getErrInfo();
|
| 218 |
+
|
| 219 |
+
my $buffer = '';
|
| 220 |
+
my $status = $self->smartRead(\$buffer, 1);
|
| 221 |
+
$self->pushBack($buffer) if length $buffer;
|
| 222 |
+
$self->setErrInfo($info);
|
| 223 |
+
|
| 224 |
+
return $status == 0 ;
|
| 225 |
+
}
|
| 226 |
+
elsif (defined *$self->{InputEvent})
|
| 227 |
+
{ *$self->{EventEof} }
|
| 228 |
+
else
|
| 229 |
+
{ *$self->{BufferOffset} >= length(${ *$self->{Buffer} }) }
|
| 230 |
+
}
|
| 231 |
+
|
| 232 |
+
sub clearError
|
| 233 |
+
{
|
| 234 |
+
my $self = shift ;
|
| 235 |
+
|
| 236 |
+
*$self->{ErrorNo} = 0 ;
|
| 237 |
+
${ *$self->{Error} } = '' ;
|
| 238 |
+
}
|
| 239 |
+
|
| 240 |
+
sub getErrInfo
|
| 241 |
+
{
|
| 242 |
+
my $self = shift ;
|
| 243 |
+
|
| 244 |
+
return [ *$self->{ErrorNo}, ${ *$self->{Error} } ] ;
|
| 245 |
+
}
|
| 246 |
+
|
| 247 |
+
sub setErrInfo
|
| 248 |
+
{
|
| 249 |
+
my $self = shift ;
|
| 250 |
+
my $ref = shift;
|
| 251 |
+
|
| 252 |
+
*$self->{ErrorNo} = $ref->[0] ;
|
| 253 |
+
${ *$self->{Error} } = $ref->[1] ;
|
| 254 |
+
}
|
| 255 |
+
|
| 256 |
+
sub saveStatus
|
| 257 |
+
{
|
| 258 |
+
my $self = shift ;
|
| 259 |
+
my $errno = shift() + 0 ;
|
| 260 |
+
|
| 261 |
+
*$self->{ErrorNo} = $errno;
|
| 262 |
+
${ *$self->{Error} } = '' ;
|
| 263 |
+
|
| 264 |
+
return *$self->{ErrorNo} ;
|
| 265 |
+
}
|
| 266 |
+
|
| 267 |
+
|
| 268 |
+
sub saveErrorString
|
| 269 |
+
{
|
| 270 |
+
my $self = shift ;
|
| 271 |
+
my $retval = shift ;
|
| 272 |
+
|
| 273 |
+
${ *$self->{Error} } = shift ;
|
| 274 |
+
*$self->{ErrorNo} = @_ ? shift() + 0 : STATUS_ERROR ;
|
| 275 |
+
|
| 276 |
+
return $retval;
|
| 277 |
+
}
|
| 278 |
+
|
| 279 |
+
sub croakError
|
| 280 |
+
{
|
| 281 |
+
my $self = shift ;
|
| 282 |
+
$self->saveErrorString(0, $_[0]);
|
| 283 |
+
croak $_[0];
|
| 284 |
+
}
|
| 285 |
+
|
| 286 |
+
|
| 287 |
+
sub closeError
|
| 288 |
+
{
|
| 289 |
+
my $self = shift ;
|
| 290 |
+
my $retval = shift ;
|
| 291 |
+
|
| 292 |
+
my $errno = *$self->{ErrorNo};
|
| 293 |
+
my $error = ${ *$self->{Error} };
|
| 294 |
+
|
| 295 |
+
$self->close();
|
| 296 |
+
|
| 297 |
+
*$self->{ErrorNo} = $errno ;
|
| 298 |
+
${ *$self->{Error} } = $error ;
|
| 299 |
+
|
| 300 |
+
return $retval;
|
| 301 |
+
}
|
| 302 |
+
|
| 303 |
+
sub error
|
| 304 |
+
{
|
| 305 |
+
my $self = shift ;
|
| 306 |
+
return ${ *$self->{Error} } ;
|
| 307 |
+
}
|
| 308 |
+
|
| 309 |
+
sub errorNo
|
| 310 |
+
{
|
| 311 |
+
my $self = shift ;
|
| 312 |
+
return *$self->{ErrorNo};
|
| 313 |
+
}
|
| 314 |
+
|
| 315 |
+
sub HeaderError
|
| 316 |
+
{
|
| 317 |
+
my ($self) = shift;
|
| 318 |
+
return $self->saveErrorString(undef, "Header Error: $_[0]", STATUS_ERROR);
|
| 319 |
+
}
|
| 320 |
+
|
| 321 |
+
sub TrailerError
|
| 322 |
+
{
|
| 323 |
+
my ($self) = shift;
|
| 324 |
+
return $self->saveErrorString(G_ERR, "Trailer Error: $_[0]", STATUS_ERROR);
|
| 325 |
+
}
|
| 326 |
+
|
| 327 |
+
sub TruncatedHeader
|
| 328 |
+
{
|
| 329 |
+
my ($self) = shift;
|
| 330 |
+
return $self->HeaderError("Truncated in $_[0] Section");
|
| 331 |
+
}
|
| 332 |
+
|
| 333 |
+
sub TruncatedTrailer
|
| 334 |
+
{
|
| 335 |
+
my ($self) = shift;
|
| 336 |
+
return $self->TrailerError("Truncated in $_[0] Section");
|
| 337 |
+
}
|
| 338 |
+
|
| 339 |
+
sub postCheckParams
|
| 340 |
+
{
|
| 341 |
+
return 1;
|
| 342 |
+
}
|
| 343 |
+
|
| 344 |
+
sub checkParams
|
| 345 |
+
{
|
| 346 |
+
my $self = shift ;
|
| 347 |
+
my $class = shift ;
|
| 348 |
+
|
| 349 |
+
my $got = shift || IO::Compress::Base::Parameters::new();
|
| 350 |
+
|
| 351 |
+
my $Valid = {
|
| 352 |
+
'blocksize' => [IO::Compress::Base::Common::Parse_unsigned, 16 * 1024],
|
| 353 |
+
'autoclose' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 354 |
+
'strict' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 355 |
+
'append' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 356 |
+
'prime' => [IO::Compress::Base::Common::Parse_any, undef],
|
| 357 |
+
'multistream' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 358 |
+
'transparent' => [IO::Compress::Base::Common::Parse_any, 1],
|
| 359 |
+
'scan' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 360 |
+
'inputlength' => [IO::Compress::Base::Common::Parse_unsigned, undef],
|
| 361 |
+
'binmodeout' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 362 |
+
#'decode' => [IO::Compress::Base::Common::Parse_any, undef],
|
| 363 |
+
|
| 364 |
+
#'consumeinput' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 365 |
+
|
| 366 |
+
$self->getExtraParams(),
|
| 367 |
+
|
| 368 |
+
#'Todo - Revert to ordinary file on end Z_STREAM_END'=> 0,
|
| 369 |
+
# ContinueAfterEof
|
| 370 |
+
} ;
|
| 371 |
+
|
| 372 |
+
$Valid->{trailingdata} = [IO::Compress::Base::Common::Parse_writable_scalar, undef]
|
| 373 |
+
if *$self->{OneShot} ;
|
| 374 |
+
|
| 375 |
+
$got->parse($Valid, @_ )
|
| 376 |
+
or $self->croakError("${class}: " . $got->getError()) ;
|
| 377 |
+
|
| 378 |
+
$self->postCheckParams($got)
|
| 379 |
+
or $self->croakError("${class}: " . $self->error()) ;
|
| 380 |
+
|
| 381 |
+
return $got;
|
| 382 |
+
}
|
| 383 |
+
|
| 384 |
+
sub _create
|
| 385 |
+
{
|
| 386 |
+
my $obj = shift;
|
| 387 |
+
my $got = shift;
|
| 388 |
+
my $append_mode = shift ;
|
| 389 |
+
|
| 390 |
+
my $class = ref $obj;
|
| 391 |
+
$obj->croakError("$class: Missing Input parameter")
|
| 392 |
+
if ! @_ && ! $got ;
|
| 393 |
+
|
| 394 |
+
my $inValue = shift ;
|
| 395 |
+
|
| 396 |
+
*$obj->{OneShot} = 0 ;
|
| 397 |
+
|
| 398 |
+
if (! $got)
|
| 399 |
+
{
|
| 400 |
+
$got = $obj->checkParams($class, undef, @_)
|
| 401 |
+
or return undef ;
|
| 402 |
+
}
|
| 403 |
+
|
| 404 |
+
my $inType = whatIsInput($inValue, 1);
|
| 405 |
+
|
| 406 |
+
$obj->ckInputParam($class, $inValue, 1)
|
| 407 |
+
or return undef ;
|
| 408 |
+
|
| 409 |
+
*$obj->{InNew} = 1;
|
| 410 |
+
|
| 411 |
+
$obj->ckParams($got)
|
| 412 |
+
or $obj->croakError("${class}: " . *$obj->{Error});
|
| 413 |
+
|
| 414 |
+
if ($inType eq 'buffer' || $inType eq 'code') {
|
| 415 |
+
*$obj->{Buffer} = $inValue ;
|
| 416 |
+
*$obj->{InputEvent} = $inValue
|
| 417 |
+
if $inType eq 'code' ;
|
| 418 |
+
}
|
| 419 |
+
else {
|
| 420 |
+
if ($inType eq 'handle') {
|
| 421 |
+
*$obj->{FH} = $inValue ;
|
| 422 |
+
*$obj->{Handle} = 1 ;
|
| 423 |
+
|
| 424 |
+
# Need to rewind for Scan
|
| 425 |
+
*$obj->{FH}->seek(0, SEEK_SET)
|
| 426 |
+
if $got->getValue('scan');
|
| 427 |
+
}
|
| 428 |
+
else {
|
| 429 |
+
no warnings ;
|
| 430 |
+
my $mode = '<';
|
| 431 |
+
$mode = '+<' if $got->getValue('scan');
|
| 432 |
+
*$obj->{StdIO} = ($inValue eq '-');
|
| 433 |
+
*$obj->{FH} = IO::File->new( "$mode $inValue" )
|
| 434 |
+
or return $obj->saveErrorString(undef, "cannot open file '$inValue': $!", $!) ;
|
| 435 |
+
}
|
| 436 |
+
|
| 437 |
+
*$obj->{LineNo} = $. = 0;
|
| 438 |
+
setBinModeInput(*$obj->{FH}) ;
|
| 439 |
+
|
| 440 |
+
my $buff = "" ;
|
| 441 |
+
*$obj->{Buffer} = \$buff ;
|
| 442 |
+
}
|
| 443 |
+
|
| 444 |
+
# if ($got->getValue('decode')) {
|
| 445 |
+
# my $want_encoding = $got->getValue('decode');
|
| 446 |
+
# *$obj->{Encoding} = IO::Compress::Base::Common::getEncoding($obj, $class, $want_encoding);
|
| 447 |
+
# }
|
| 448 |
+
# else {
|
| 449 |
+
# *$obj->{Encoding} = undef;
|
| 450 |
+
# }
|
| 451 |
+
|
| 452 |
+
*$obj->{InputLength} = $got->parsed('inputlength')
|
| 453 |
+
? $got->getValue('inputlength')
|
| 454 |
+
: undef ;
|
| 455 |
+
*$obj->{InputLengthRemaining} = $got->getValue('inputlength');
|
| 456 |
+
*$obj->{BufferOffset} = 0 ;
|
| 457 |
+
*$obj->{AutoClose} = $got->getValue('autoclose');
|
| 458 |
+
*$obj->{Strict} = $got->getValue('strict');
|
| 459 |
+
*$obj->{BlockSize} = $got->getValue('blocksize');
|
| 460 |
+
*$obj->{Append} = $got->getValue('append');
|
| 461 |
+
*$obj->{AppendOutput} = $append_mode || $got->getValue('append');
|
| 462 |
+
*$obj->{ConsumeInput} = $got->getValue('consumeinput');
|
| 463 |
+
*$obj->{Transparent} = $got->getValue('transparent');
|
| 464 |
+
*$obj->{MultiStream} = $got->getValue('multistream');
|
| 465 |
+
|
| 466 |
+
# TODO - move these two into RawDeflate
|
| 467 |
+
*$obj->{Scan} = $got->getValue('scan');
|
| 468 |
+
*$obj->{ParseExtra} = $got->getValue('parseextra')
|
| 469 |
+
|| $got->getValue('strict') ;
|
| 470 |
+
*$obj->{Type} = '';
|
| 471 |
+
*$obj->{Prime} = $got->getValue('prime') || '' ;
|
| 472 |
+
*$obj->{Pending} = '';
|
| 473 |
+
*$obj->{Plain} = 0;
|
| 474 |
+
*$obj->{PlainBytesRead} = 0;
|
| 475 |
+
*$obj->{InflatedBytesRead} = 0;
|
| 476 |
+
*$obj->{UnCompSize} = U64->new;
|
| 477 |
+
*$obj->{CompSize} = U64->new;
|
| 478 |
+
*$obj->{TotalInflatedBytesRead} = 0;
|
| 479 |
+
*$obj->{NewStream} = 0 ;
|
| 480 |
+
*$obj->{EventEof} = 0 ;
|
| 481 |
+
*$obj->{ClassName} = $class ;
|
| 482 |
+
*$obj->{Params} = $got ;
|
| 483 |
+
|
| 484 |
+
if (*$obj->{ConsumeInput}) {
|
| 485 |
+
*$obj->{InNew} = 0;
|
| 486 |
+
*$obj->{Closed} = 0;
|
| 487 |
+
return $obj
|
| 488 |
+
}
|
| 489 |
+
|
| 490 |
+
my $status = $obj->mkUncomp($got);
|
| 491 |
+
|
| 492 |
+
return undef
|
| 493 |
+
unless defined $status;
|
| 494 |
+
|
| 495 |
+
*$obj->{InNew} = 0;
|
| 496 |
+
*$obj->{Closed} = 0;
|
| 497 |
+
|
| 498 |
+
return $obj
|
| 499 |
+
if *$obj->{Pause} ;
|
| 500 |
+
|
| 501 |
+
if ($status) {
|
| 502 |
+
# Need to try uncompressing to catch the case
|
| 503 |
+
# where the compressed file uncompresses to an
|
| 504 |
+
# empty string - so eof is set immediately.
|
| 505 |
+
|
| 506 |
+
my $out_buffer = '';
|
| 507 |
+
|
| 508 |
+
$status = $obj->read(\$out_buffer);
|
| 509 |
+
|
| 510 |
+
if ($status < 0) {
|
| 511 |
+
*$obj->{ReadStatus} = [ $status, $obj->error(), $obj->errorNo() ];
|
| 512 |
+
}
|
| 513 |
+
|
| 514 |
+
$obj->ungetc($out_buffer)
|
| 515 |
+
if length $out_buffer;
|
| 516 |
+
}
|
| 517 |
+
else {
|
| 518 |
+
return undef
|
| 519 |
+
unless *$obj->{Transparent};
|
| 520 |
+
|
| 521 |
+
$obj->clearError();
|
| 522 |
+
*$obj->{Type} = 'plain';
|
| 523 |
+
*$obj->{Plain} = 1;
|
| 524 |
+
$obj->pushBack(*$obj->{HeaderPending}) ;
|
| 525 |
+
}
|
| 526 |
+
|
| 527 |
+
push @{ *$obj->{InfoList} }, *$obj->{Info} ;
|
| 528 |
+
|
| 529 |
+
$obj->saveStatus(STATUS_OK) ;
|
| 530 |
+
*$obj->{InNew} = 0;
|
| 531 |
+
*$obj->{Closed} = 0;
|
| 532 |
+
|
| 533 |
+
return $obj;
|
| 534 |
+
}
|
| 535 |
+
|
| 536 |
+
sub ckInputParam
|
| 537 |
+
{
|
| 538 |
+
my $self = shift ;
|
| 539 |
+
my $from = shift ;
|
| 540 |
+
my $inType = whatIsInput($_[0], $_[1]);
|
| 541 |
+
|
| 542 |
+
$self->croakError("$from: input parameter not a filename, filehandle, array ref or scalar ref")
|
| 543 |
+
if ! $inType ;
|
| 544 |
+
|
| 545 |
+
# if ($inType eq 'filename' )
|
| 546 |
+
# {
|
| 547 |
+
# return $self->saveErrorString(1, "$from: input filename is undef or null string", STATUS_ERROR)
|
| 548 |
+
# if ! defined $_[0] || $_[0] eq '' ;
|
| 549 |
+
#
|
| 550 |
+
# if ($_[0] ne '-' && ! -e $_[0] )
|
| 551 |
+
# {
|
| 552 |
+
# return $self->saveErrorString(1,
|
| 553 |
+
# "input file '$_[0]' does not exist", STATUS_ERROR);
|
| 554 |
+
# }
|
| 555 |
+
# }
|
| 556 |
+
|
| 557 |
+
return 1;
|
| 558 |
+
}
|
| 559 |
+
|
| 560 |
+
|
| 561 |
+
sub _inf
|
| 562 |
+
{
|
| 563 |
+
my $obj = shift ;
|
| 564 |
+
|
| 565 |
+
my $class = (caller)[0] ;
|
| 566 |
+
my $name = (caller(1))[3] ;
|
| 567 |
+
|
| 568 |
+
$obj->croakError("$name: expected at least 1 parameters\n")
|
| 569 |
+
unless @_ >= 1 ;
|
| 570 |
+
|
| 571 |
+
my $input = shift ;
|
| 572 |
+
my $haveOut = @_ ;
|
| 573 |
+
my $output = shift ;
|
| 574 |
+
|
| 575 |
+
|
| 576 |
+
my $x = IO::Compress::Base::Validator->new($class, *$obj->{Error}, $name, $input, $output)
|
| 577 |
+
or return undef ;
|
| 578 |
+
|
| 579 |
+
push @_, $output if $haveOut && $x->{Hash};
|
| 580 |
+
|
| 581 |
+
*$obj->{OneShot} = 1 ;
|
| 582 |
+
|
| 583 |
+
my $got = $obj->checkParams($name, undef, @_)
|
| 584 |
+
or return undef ;
|
| 585 |
+
|
| 586 |
+
if ($got->parsed('trailingdata'))
|
| 587 |
+
{
|
| 588 |
+
# my $value = $got->valueRef('TrailingData');
|
| 589 |
+
# warn "TD $value ";
|
| 590 |
+
# #$value = $$value;
|
| 591 |
+
## warn "TD $value $$value ";
|
| 592 |
+
#
|
| 593 |
+
# return retErr($obj, "Parameter 'TrailingData' not writable")
|
| 594 |
+
# if readonly $$value ;
|
| 595 |
+
#
|
| 596 |
+
# if (ref $$value)
|
| 597 |
+
# {
|
| 598 |
+
# return retErr($obj,"Parameter 'TrailingData' not a scalar reference")
|
| 599 |
+
# if ref $$value ne 'SCALAR' ;
|
| 600 |
+
#
|
| 601 |
+
# *$obj->{TrailingData} = $$value ;
|
| 602 |
+
# }
|
| 603 |
+
# else
|
| 604 |
+
# {
|
| 605 |
+
# return retErr($obj,"Parameter 'TrailingData' not a scalar")
|
| 606 |
+
# if ref $value ne 'SCALAR' ;
|
| 607 |
+
#
|
| 608 |
+
# *$obj->{TrailingData} = $value ;
|
| 609 |
+
# }
|
| 610 |
+
|
| 611 |
+
*$obj->{TrailingData} = $got->getValue('trailingdata');
|
| 612 |
+
}
|
| 613 |
+
|
| 614 |
+
*$obj->{MultiStream} = $got->getValue('multistream');
|
| 615 |
+
$got->setValue('multistream', 0);
|
| 616 |
+
|
| 617 |
+
$x->{Got} = $got ;
|
| 618 |
+
|
| 619 |
+
# if ($x->{Hash})
|
| 620 |
+
# {
|
| 621 |
+
# while (my($k, $v) = each %$input)
|
| 622 |
+
# {
|
| 623 |
+
# $v = \$input->{$k}
|
| 624 |
+
# unless defined $v ;
|
| 625 |
+
#
|
| 626 |
+
# $obj->_singleTarget($x, $k, $v, @_)
|
| 627 |
+
# or return undef ;
|
| 628 |
+
# }
|
| 629 |
+
#
|
| 630 |
+
# return keys %$input ;
|
| 631 |
+
# }
|
| 632 |
+
|
| 633 |
+
if ($x->{GlobMap})
|
| 634 |
+
{
|
| 635 |
+
$x->{oneInput} = 1 ;
|
| 636 |
+
foreach my $pair (@{ $x->{Pairs} })
|
| 637 |
+
{
|
| 638 |
+
my ($from, $to) = @$pair ;
|
| 639 |
+
$obj->_singleTarget($x, $from, $to, @_)
|
| 640 |
+
or return undef ;
|
| 641 |
+
}
|
| 642 |
+
|
| 643 |
+
return scalar @{ $x->{Pairs} } ;
|
| 644 |
+
}
|
| 645 |
+
|
| 646 |
+
if (! $x->{oneOutput} )
|
| 647 |
+
{
|
| 648 |
+
my $inFile = ($x->{inType} eq 'filenames'
|
| 649 |
+
|| $x->{inType} eq 'filename');
|
| 650 |
+
|
| 651 |
+
$x->{inType} = $inFile ? 'filename' : 'buffer';
|
| 652 |
+
|
| 653 |
+
foreach my $in ($x->{oneInput} ? $input : @$input)
|
| 654 |
+
{
|
| 655 |
+
my $out ;
|
| 656 |
+
$x->{oneInput} = 1 ;
|
| 657 |
+
|
| 658 |
+
$obj->_singleTarget($x, $in, $output, @_)
|
| 659 |
+
or return undef ;
|
| 660 |
+
}
|
| 661 |
+
|
| 662 |
+
return 1 ;
|
| 663 |
+
}
|
| 664 |
+
|
| 665 |
+
# finally the 1 to 1 and n to 1
|
| 666 |
+
return $obj->_singleTarget($x, $input, $output, @_);
|
| 667 |
+
|
| 668 |
+
croak "should not be here" ;
|
| 669 |
+
}
|
| 670 |
+
|
| 671 |
+
sub retErr
|
| 672 |
+
{
|
| 673 |
+
my $x = shift ;
|
| 674 |
+
my $string = shift ;
|
| 675 |
+
|
| 676 |
+
${ $x->{Error} } = $string ;
|
| 677 |
+
|
| 678 |
+
return undef ;
|
| 679 |
+
}
|
| 680 |
+
|
| 681 |
+
sub _singleTarget
|
| 682 |
+
{
|
| 683 |
+
my $self = shift ;
|
| 684 |
+
my $x = shift ;
|
| 685 |
+
my $input = shift;
|
| 686 |
+
my $output = shift;
|
| 687 |
+
|
| 688 |
+
my $buff = '';
|
| 689 |
+
$x->{buff} = \$buff ;
|
| 690 |
+
|
| 691 |
+
my $fh ;
|
| 692 |
+
if ($x->{outType} eq 'filename') {
|
| 693 |
+
my $mode = '>' ;
|
| 694 |
+
$mode = '>>'
|
| 695 |
+
if $x->{Got}->getValue('append') ;
|
| 696 |
+
$x->{fh} = IO::File->new( "$mode $output" )
|
| 697 |
+
or return retErr($x, "cannot open file '$output': $!") ;
|
| 698 |
+
binmode $x->{fh} ;
|
| 699 |
+
|
| 700 |
+
}
|
| 701 |
+
|
| 702 |
+
elsif ($x->{outType} eq 'handle') {
|
| 703 |
+
$x->{fh} = $output;
|
| 704 |
+
binmode $x->{fh} ;
|
| 705 |
+
if ($x->{Got}->getValue('append')) {
|
| 706 |
+
seek($x->{fh}, 0, SEEK_END)
|
| 707 |
+
or return retErr($x, "Cannot seek to end of output filehandle: $!") ;
|
| 708 |
+
}
|
| 709 |
+
}
|
| 710 |
+
|
| 711 |
+
|
| 712 |
+
elsif ($x->{outType} eq 'buffer' )
|
| 713 |
+
{
|
| 714 |
+
$$output = ''
|
| 715 |
+
unless $x->{Got}->getValue('append');
|
| 716 |
+
$x->{buff} = $output ;
|
| 717 |
+
}
|
| 718 |
+
|
| 719 |
+
if ($x->{oneInput})
|
| 720 |
+
{
|
| 721 |
+
defined $self->_rd2($x, $input, $output)
|
| 722 |
+
or return undef;
|
| 723 |
+
}
|
| 724 |
+
else
|
| 725 |
+
{
|
| 726 |
+
for my $element ( ($x->{inType} eq 'hash') ? keys %$input : @$input)
|
| 727 |
+
{
|
| 728 |
+
defined $self->_rd2($x, $element, $output)
|
| 729 |
+
or return undef ;
|
| 730 |
+
}
|
| 731 |
+
}
|
| 732 |
+
|
| 733 |
+
|
| 734 |
+
if ( ($x->{outType} eq 'filename' && $output ne '-') ||
|
| 735 |
+
($x->{outType} eq 'handle' && $x->{Got}->getValue('autoclose'))) {
|
| 736 |
+
$x->{fh}->close()
|
| 737 |
+
or return retErr($x, $!);
|
| 738 |
+
delete $x->{fh};
|
| 739 |
+
}
|
| 740 |
+
|
| 741 |
+
return 1 ;
|
| 742 |
+
}
|
| 743 |
+
|
| 744 |
+
sub _rd2
|
| 745 |
+
{
|
| 746 |
+
my $self = shift ;
|
| 747 |
+
my $x = shift ;
|
| 748 |
+
my $input = shift;
|
| 749 |
+
my $output = shift;
|
| 750 |
+
|
| 751 |
+
my $z = IO::Compress::Base::Common::createSelfTiedObject($x->{Class}, *$self->{Error});
|
| 752 |
+
|
| 753 |
+
$z->_create($x->{Got}, 1, $input, @_)
|
| 754 |
+
or return undef ;
|
| 755 |
+
|
| 756 |
+
my $status ;
|
| 757 |
+
my $fh = $x->{fh};
|
| 758 |
+
|
| 759 |
+
while (1) {
|
| 760 |
+
|
| 761 |
+
while (($status = $z->read($x->{buff})) > 0) {
|
| 762 |
+
if ($fh) {
|
| 763 |
+
local $\;
|
| 764 |
+
print $fh ${ $x->{buff} }
|
| 765 |
+
or return $z->saveErrorString(undef, "Error writing to output file: $!", $!);
|
| 766 |
+
${ $x->{buff} } = '' ;
|
| 767 |
+
}
|
| 768 |
+
}
|
| 769 |
+
|
| 770 |
+
if (! $x->{oneOutput} ) {
|
| 771 |
+
my $ot = $x->{outType} ;
|
| 772 |
+
|
| 773 |
+
if ($ot eq 'array')
|
| 774 |
+
{ push @$output, $x->{buff} }
|
| 775 |
+
elsif ($ot eq 'hash')
|
| 776 |
+
{ $output->{$input} = $x->{buff} }
|
| 777 |
+
|
| 778 |
+
my $buff = '';
|
| 779 |
+
$x->{buff} = \$buff;
|
| 780 |
+
}
|
| 781 |
+
|
| 782 |
+
last if $status < 0 || $z->smartEof();
|
| 783 |
+
|
| 784 |
+
last
|
| 785 |
+
unless *$self->{MultiStream};
|
| 786 |
+
|
| 787 |
+
$status = $z->nextStream();
|
| 788 |
+
|
| 789 |
+
last
|
| 790 |
+
unless $status == 1 ;
|
| 791 |
+
}
|
| 792 |
+
|
| 793 |
+
return $z->closeError(undef)
|
| 794 |
+
if $status < 0 ;
|
| 795 |
+
|
| 796 |
+
${ *$self->{TrailingData} } = $z->trailingData()
|
| 797 |
+
if defined *$self->{TrailingData} ;
|
| 798 |
+
|
| 799 |
+
$z->close()
|
| 800 |
+
or return undef ;
|
| 801 |
+
|
| 802 |
+
return 1 ;
|
| 803 |
+
}
|
| 804 |
+
|
| 805 |
+
sub TIEHANDLE
|
| 806 |
+
{
|
| 807 |
+
return $_[0] if ref($_[0]);
|
| 808 |
+
die "OOPS\n" ;
|
| 809 |
+
|
| 810 |
+
}
|
| 811 |
+
|
| 812 |
+
sub UNTIE
|
| 813 |
+
{
|
| 814 |
+
my $self = shift ;
|
| 815 |
+
}
|
| 816 |
+
|
| 817 |
+
|
| 818 |
+
sub getHeaderInfo
|
| 819 |
+
{
|
| 820 |
+
my $self = shift ;
|
| 821 |
+
wantarray ? @{ *$self->{InfoList} } : *$self->{Info};
|
| 822 |
+
}
|
| 823 |
+
|
| 824 |
+
sub readBlock
|
| 825 |
+
{
|
| 826 |
+
my $self = shift ;
|
| 827 |
+
my $buff = shift ;
|
| 828 |
+
my $size = shift ;
|
| 829 |
+
|
| 830 |
+
if (defined *$self->{CompressedInputLength}) {
|
| 831 |
+
if (*$self->{CompressedInputLengthRemaining} == 0) {
|
| 832 |
+
delete *$self->{CompressedInputLength};
|
| 833 |
+
*$self->{CompressedInputLengthDone} = 1;
|
| 834 |
+
return STATUS_OK ;
|
| 835 |
+
}
|
| 836 |
+
$size = List::Util::min($size, *$self->{CompressedInputLengthRemaining} );
|
| 837 |
+
*$self->{CompressedInputLengthRemaining} -= $size ;
|
| 838 |
+
}
|
| 839 |
+
|
| 840 |
+
my $status = $self->smartRead($buff, $size) ;
|
| 841 |
+
return $self->saveErrorString(STATUS_ERROR, "Error Reading Data: $!", $!)
|
| 842 |
+
if $status == STATUS_ERROR ;
|
| 843 |
+
|
| 844 |
+
if ($status == 0 ) {
|
| 845 |
+
*$self->{Closed} = 1 ;
|
| 846 |
+
*$self->{EndStream} = 1 ;
|
| 847 |
+
return $self->saveErrorString(STATUS_ERROR, "unexpected end of file", STATUS_ERROR);
|
| 848 |
+
}
|
| 849 |
+
|
| 850 |
+
return STATUS_OK;
|
| 851 |
+
}
|
| 852 |
+
|
| 853 |
+
sub postBlockChk
|
| 854 |
+
{
|
| 855 |
+
return STATUS_OK;
|
| 856 |
+
}
|
| 857 |
+
|
| 858 |
+
sub _raw_read
|
| 859 |
+
{
|
| 860 |
+
# return codes
|
| 861 |
+
# >0 - ok, number of bytes read
|
| 862 |
+
# =0 - ok, eof
|
| 863 |
+
# <0 - not ok
|
| 864 |
+
|
| 865 |
+
my $self = shift ;
|
| 866 |
+
|
| 867 |
+
return G_EOF if *$self->{Closed} ;
|
| 868 |
+
return G_EOF if *$self->{EndStream} ;
|
| 869 |
+
|
| 870 |
+
my $buffer = shift ;
|
| 871 |
+
my $scan_mode = shift ;
|
| 872 |
+
|
| 873 |
+
if (*$self->{Plain}) {
|
| 874 |
+
my $tmp_buff ;
|
| 875 |
+
my $len = $self->smartRead(\$tmp_buff, *$self->{BlockSize}) ;
|
| 876 |
+
|
| 877 |
+
return $self->saveErrorString(G_ERR, "Error reading data: $!", $!)
|
| 878 |
+
if $len == STATUS_ERROR ;
|
| 879 |
+
|
| 880 |
+
if ($len == 0 ) {
|
| 881 |
+
*$self->{EndStream} = 1 ;
|
| 882 |
+
}
|
| 883 |
+
else {
|
| 884 |
+
*$self->{PlainBytesRead} += $len ;
|
| 885 |
+
$$buffer .= $tmp_buff;
|
| 886 |
+
}
|
| 887 |
+
|
| 888 |
+
return $len ;
|
| 889 |
+
}
|
| 890 |
+
|
| 891 |
+
if (*$self->{NewStream}) {
|
| 892 |
+
|
| 893 |
+
$self->gotoNextStream() > 0
|
| 894 |
+
or return G_ERR;
|
| 895 |
+
|
| 896 |
+
# For the headers that actually uncompressed data, put the
|
| 897 |
+
# uncompressed data into the output buffer.
|
| 898 |
+
$$buffer .= *$self->{Pending} ;
|
| 899 |
+
my $len = length *$self->{Pending} ;
|
| 900 |
+
*$self->{Pending} = '';
|
| 901 |
+
return $len;
|
| 902 |
+
}
|
| 903 |
+
|
| 904 |
+
my $temp_buf = '';
|
| 905 |
+
my $outSize = 0;
|
| 906 |
+
my $status = $self->readBlock(\$temp_buf, *$self->{BlockSize}, $outSize) ;
|
| 907 |
+
|
| 908 |
+
return G_ERR
|
| 909 |
+
if $status == STATUS_ERROR ;
|
| 910 |
+
|
| 911 |
+
my $buf_len = 0;
|
| 912 |
+
if ($status == STATUS_OK) {
|
| 913 |
+
my $beforeC_len = length $temp_buf;
|
| 914 |
+
my $before_len = defined $$buffer ? length $$buffer : 0 ;
|
| 915 |
+
$status = *$self->{Uncomp}->uncompr(\$temp_buf, $buffer,
|
| 916 |
+
defined *$self->{CompressedInputLengthDone} ||
|
| 917 |
+
$self->smartEof(), $outSize);
|
| 918 |
+
|
| 919 |
+
# Remember the input buffer if it wasn't consumed completely
|
| 920 |
+
$self->pushBack($temp_buf) if *$self->{Uncomp}{ConsumesInput};
|
| 921 |
+
|
| 922 |
+
return $self->saveErrorString(G_ERR, *$self->{Uncomp}{Error}, *$self->{Uncomp}{ErrorNo})
|
| 923 |
+
if $self->saveStatus($status) == STATUS_ERROR;
|
| 924 |
+
|
| 925 |
+
$self->postBlockChk($buffer, $before_len) == STATUS_OK
|
| 926 |
+
or return G_ERR;
|
| 927 |
+
|
| 928 |
+
$buf_len = defined $$buffer ? length($$buffer) - $before_len : 0;
|
| 929 |
+
|
| 930 |
+
*$self->{CompSize}->add($beforeC_len - length $temp_buf) ;
|
| 931 |
+
|
| 932 |
+
*$self->{InflatedBytesRead} += $buf_len ;
|
| 933 |
+
*$self->{TotalInflatedBytesRead} += $buf_len ;
|
| 934 |
+
*$self->{UnCompSize}->add($buf_len) ;
|
| 935 |
+
|
| 936 |
+
$self->filterUncompressed($buffer, $before_len);
|
| 937 |
+
|
| 938 |
+
# if (*$self->{Encoding}) {
|
| 939 |
+
# use Encode ;
|
| 940 |
+
# *$self->{PendingDecode} .= substr($$buffer, $before_len) ;
|
| 941 |
+
# my $got = *$self->{Encoding}->decode(*$self->{PendingDecode}, Encode::FB_QUIET) ;
|
| 942 |
+
# substr($$buffer, $before_len) = $got;
|
| 943 |
+
# }
|
| 944 |
+
}
|
| 945 |
+
|
| 946 |
+
if ($status == STATUS_ENDSTREAM) {
|
| 947 |
+
|
| 948 |
+
*$self->{EndStream} = 1 ;
|
| 949 |
+
|
| 950 |
+
my $trailer;
|
| 951 |
+
my $trailer_size = *$self->{Info}{TrailerLength} ;
|
| 952 |
+
my $got = 0;
|
| 953 |
+
if (*$self->{Info}{TrailerLength})
|
| 954 |
+
{
|
| 955 |
+
$got = $self->smartRead(\$trailer, $trailer_size) ;
|
| 956 |
+
}
|
| 957 |
+
|
| 958 |
+
if ($got == $trailer_size) {
|
| 959 |
+
$self->chkTrailer($trailer) == STATUS_OK
|
| 960 |
+
or return G_ERR;
|
| 961 |
+
}
|
| 962 |
+
else {
|
| 963 |
+
return $self->TrailerError("trailer truncated. Expected " .
|
| 964 |
+
"$trailer_size bytes, got $got")
|
| 965 |
+
if *$self->{Strict};
|
| 966 |
+
$self->pushBack($trailer) ;
|
| 967 |
+
}
|
| 968 |
+
|
| 969 |
+
# TODO - if want file pointer, do it here
|
| 970 |
+
|
| 971 |
+
if (! $self->smartEof()) {
|
| 972 |
+
*$self->{NewStream} = 1 ;
|
| 973 |
+
|
| 974 |
+
if (*$self->{MultiStream}) {
|
| 975 |
+
*$self->{EndStream} = 0 ;
|
| 976 |
+
return $buf_len ;
|
| 977 |
+
}
|
| 978 |
+
}
|
| 979 |
+
|
| 980 |
+
}
|
| 981 |
+
|
| 982 |
+
|
| 983 |
+
# return the number of uncompressed bytes read
|
| 984 |
+
return $buf_len ;
|
| 985 |
+
}
|
| 986 |
+
|
| 987 |
+
sub reset
|
| 988 |
+
{
|
| 989 |
+
my $self = shift ;
|
| 990 |
+
|
| 991 |
+
return *$self->{Uncomp}->reset();
|
| 992 |
+
}
|
| 993 |
+
|
| 994 |
+
sub filterUncompressed
|
| 995 |
+
{
|
| 996 |
+
}
|
| 997 |
+
|
| 998 |
+
#sub isEndStream
|
| 999 |
+
#{
|
| 1000 |
+
# my $self = shift ;
|
| 1001 |
+
# return *$self->{NewStream} ||
|
| 1002 |
+
# *$self->{EndStream} ;
|
| 1003 |
+
#}
|
| 1004 |
+
|
| 1005 |
+
sub nextStream
|
| 1006 |
+
{
|
| 1007 |
+
my $self = shift ;
|
| 1008 |
+
|
| 1009 |
+
# An uncompressed file cannot have a next stream, so
|
| 1010 |
+
# return immediately.
|
| 1011 |
+
return 0
|
| 1012 |
+
if *$self->{Plain} ;
|
| 1013 |
+
|
| 1014 |
+
my $status = $self->gotoNextStream();
|
| 1015 |
+
$status == 1
|
| 1016 |
+
or return $status ;
|
| 1017 |
+
|
| 1018 |
+
*$self->{Pending} = ''
|
| 1019 |
+
if $self !~ /IO::Uncompress::RawInflate/ && ! *$self->{MultiStream};
|
| 1020 |
+
|
| 1021 |
+
*$self->{TotalInflatedBytesRead} = 0 ;
|
| 1022 |
+
*$self->{LineNo} = $. = 0;
|
| 1023 |
+
|
| 1024 |
+
return 1;
|
| 1025 |
+
}
|
| 1026 |
+
|
| 1027 |
+
sub gotoNextStream
|
| 1028 |
+
{
|
| 1029 |
+
my $self = shift ;
|
| 1030 |
+
|
| 1031 |
+
if (! *$self->{NewStream}) {
|
| 1032 |
+
my $status = 1;
|
| 1033 |
+
my $buffer ;
|
| 1034 |
+
|
| 1035 |
+
# TODO - make this more efficient if know the offset for the end of
|
| 1036 |
+
# the stream and seekable
|
| 1037 |
+
$status = $self->read($buffer)
|
| 1038 |
+
while $status > 0 ;
|
| 1039 |
+
|
| 1040 |
+
return $status
|
| 1041 |
+
if $status < 0;
|
| 1042 |
+
}
|
| 1043 |
+
|
| 1044 |
+
*$self->{NewStream} = 0 ;
|
| 1045 |
+
*$self->{EndStream} = 0 ;
|
| 1046 |
+
*$self->{CompressedInputLengthDone} = undef ;
|
| 1047 |
+
*$self->{CompressedInputLength} = undef ;
|
| 1048 |
+
$self->reset();
|
| 1049 |
+
*$self->{UnCompSize}->reset();
|
| 1050 |
+
*$self->{CompSize}->reset();
|
| 1051 |
+
|
| 1052 |
+
my $magic = $self->ckMagic();
|
| 1053 |
+
|
| 1054 |
+
if ( ! defined $magic) {
|
| 1055 |
+
if (! *$self->{Transparent} || $self->eof())
|
| 1056 |
+
{
|
| 1057 |
+
*$self->{EndStream} = 1 ;
|
| 1058 |
+
return 0;
|
| 1059 |
+
}
|
| 1060 |
+
|
| 1061 |
+
# Not EOF, so Transparent mode kicks in now for trailing data
|
| 1062 |
+
# Reset member name in case anyone calls getHeaderInfo()->{Name}
|
| 1063 |
+
*$self->{Info} = { Name => undef, Type => 'plain' };
|
| 1064 |
+
|
| 1065 |
+
$self->clearError();
|
| 1066 |
+
*$self->{Type} = 'plain';
|
| 1067 |
+
*$self->{Plain} = 1;
|
| 1068 |
+
$self->pushBack(*$self->{HeaderPending}) ;
|
| 1069 |
+
}
|
| 1070 |
+
else
|
| 1071 |
+
{
|
| 1072 |
+
*$self->{Info} = $self->readHeader($magic);
|
| 1073 |
+
|
| 1074 |
+
if ( ! defined *$self->{Info} ) {
|
| 1075 |
+
*$self->{EndStream} = 1 ;
|
| 1076 |
+
return -1;
|
| 1077 |
+
}
|
| 1078 |
+
}
|
| 1079 |
+
|
| 1080 |
+
push @{ *$self->{InfoList} }, *$self->{Info} ;
|
| 1081 |
+
|
| 1082 |
+
return 1;
|
| 1083 |
+
}
|
| 1084 |
+
|
| 1085 |
+
sub streamCount
|
| 1086 |
+
{
|
| 1087 |
+
my $self = shift ;
|
| 1088 |
+
return 1 if ! defined *$self->{InfoList};
|
| 1089 |
+
return scalar @{ *$self->{InfoList} } ;
|
| 1090 |
+
}
|
| 1091 |
+
|
| 1092 |
+
sub read
|
| 1093 |
+
{
|
| 1094 |
+
# return codes
|
| 1095 |
+
# >0 - ok, number of bytes read
|
| 1096 |
+
# =0 - ok, eof
|
| 1097 |
+
# <0 - not ok
|
| 1098 |
+
|
| 1099 |
+
my $self = shift ;
|
| 1100 |
+
|
| 1101 |
+
if (defined *$self->{ReadStatus} ) {
|
| 1102 |
+
my $status = *$self->{ReadStatus}[0];
|
| 1103 |
+
$self->saveErrorString( @{ *$self->{ReadStatus} } );
|
| 1104 |
+
delete *$self->{ReadStatus} ;
|
| 1105 |
+
return $status ;
|
| 1106 |
+
}
|
| 1107 |
+
|
| 1108 |
+
return G_EOF if *$self->{Closed} ;
|
| 1109 |
+
|
| 1110 |
+
my $buffer ;
|
| 1111 |
+
|
| 1112 |
+
if (ref $_[0] ) {
|
| 1113 |
+
$self->croakError(*$self->{ClassName} . "::read: buffer parameter is read-only")
|
| 1114 |
+
if Scalar::Util::readonly(${ $_[0] });
|
| 1115 |
+
|
| 1116 |
+
$self->croakError(*$self->{ClassName} . "::read: not a scalar reference $_[0]" )
|
| 1117 |
+
unless ref $_[0] eq 'SCALAR' ;
|
| 1118 |
+
$buffer = $_[0] ;
|
| 1119 |
+
}
|
| 1120 |
+
else {
|
| 1121 |
+
$self->croakError(*$self->{ClassName} . "::read: buffer parameter is read-only")
|
| 1122 |
+
if Scalar::Util::readonly($_[0]);
|
| 1123 |
+
|
| 1124 |
+
$buffer = \$_[0] ;
|
| 1125 |
+
}
|
| 1126 |
+
|
| 1127 |
+
my $length = $_[1] ;
|
| 1128 |
+
my $offset = $_[2] || 0;
|
| 1129 |
+
|
| 1130 |
+
if (! *$self->{AppendOutput}) {
|
| 1131 |
+
if (! $offset) {
|
| 1132 |
+
|
| 1133 |
+
$$buffer = '' ;
|
| 1134 |
+
}
|
| 1135 |
+
else {
|
| 1136 |
+
if ($offset > length($$buffer)) {
|
| 1137 |
+
$$buffer .= "\x00" x ($offset - length($$buffer));
|
| 1138 |
+
}
|
| 1139 |
+
else {
|
| 1140 |
+
substr($$buffer, $offset) = '';
|
| 1141 |
+
}
|
| 1142 |
+
}
|
| 1143 |
+
}
|
| 1144 |
+
elsif (! defined $$buffer) {
|
| 1145 |
+
$$buffer = '' ;
|
| 1146 |
+
}
|
| 1147 |
+
|
| 1148 |
+
return G_EOF if !length *$self->{Pending} && *$self->{EndStream} ;
|
| 1149 |
+
|
| 1150 |
+
# the core read will return 0 if asked for 0 bytes
|
| 1151 |
+
return 0 if defined $length && $length == 0 ;
|
| 1152 |
+
|
| 1153 |
+
$length = $length || 0;
|
| 1154 |
+
|
| 1155 |
+
$self->croakError(*$self->{ClassName} . "::read: length parameter is negative")
|
| 1156 |
+
if $length < 0 ;
|
| 1157 |
+
|
| 1158 |
+
# Short-circuit if this is a simple read, with no length
|
| 1159 |
+
# or offset specified.
|
| 1160 |
+
unless ( $length || $offset) {
|
| 1161 |
+
if (length *$self->{Pending}) {
|
| 1162 |
+
$$buffer .= *$self->{Pending} ;
|
| 1163 |
+
my $len = length *$self->{Pending};
|
| 1164 |
+
*$self->{Pending} = '' ;
|
| 1165 |
+
return $len ;
|
| 1166 |
+
}
|
| 1167 |
+
else {
|
| 1168 |
+
my $len = 0;
|
| 1169 |
+
$len = $self->_raw_read($buffer)
|
| 1170 |
+
while ! *$self->{EndStream} && $len == 0 ;
|
| 1171 |
+
return $len ;
|
| 1172 |
+
}
|
| 1173 |
+
}
|
| 1174 |
+
|
| 1175 |
+
# Need to jump through more hoops - either length or offset
|
| 1176 |
+
# or both are specified.
|
| 1177 |
+
my $out_buffer = *$self->{Pending} ;
|
| 1178 |
+
*$self->{Pending} = '';
|
| 1179 |
+
|
| 1180 |
+
|
| 1181 |
+
while (! *$self->{EndStream} && length($out_buffer) < $length)
|
| 1182 |
+
{
|
| 1183 |
+
my $buf_len = $self->_raw_read(\$out_buffer);
|
| 1184 |
+
return $buf_len
|
| 1185 |
+
if $buf_len < 0 ;
|
| 1186 |
+
}
|
| 1187 |
+
|
| 1188 |
+
$length = length $out_buffer
|
| 1189 |
+
if length($out_buffer) < $length ;
|
| 1190 |
+
|
| 1191 |
+
return 0
|
| 1192 |
+
if $length == 0 ;
|
| 1193 |
+
|
| 1194 |
+
$$buffer = ''
|
| 1195 |
+
if ! defined $$buffer;
|
| 1196 |
+
|
| 1197 |
+
$offset = length $$buffer
|
| 1198 |
+
if *$self->{AppendOutput} ;
|
| 1199 |
+
|
| 1200 |
+
*$self->{Pending} = $out_buffer;
|
| 1201 |
+
$out_buffer = \*$self->{Pending} ;
|
| 1202 |
+
|
| 1203 |
+
substr($$buffer, $offset) = substr($$out_buffer, 0, $length) ;
|
| 1204 |
+
substr($$out_buffer, 0, $length) = '' ;
|
| 1205 |
+
|
| 1206 |
+
return $length ;
|
| 1207 |
+
}
|
| 1208 |
+
|
| 1209 |
+
sub _getline
|
| 1210 |
+
{
|
| 1211 |
+
my $self = shift ;
|
| 1212 |
+
my $status = 0 ;
|
| 1213 |
+
|
| 1214 |
+
# Slurp Mode
|
| 1215 |
+
if ( ! defined $/ ) {
|
| 1216 |
+
my $data ;
|
| 1217 |
+
1 while ($status = $self->read($data)) > 0 ;
|
| 1218 |
+
return ($status, \$data);
|
| 1219 |
+
}
|
| 1220 |
+
|
| 1221 |
+
# Record Mode
|
| 1222 |
+
if ( ref $/ eq 'SCALAR' && ${$/} =~ /^\d+$/ && ${$/} > 0) {
|
| 1223 |
+
my $reclen = ${$/} ;
|
| 1224 |
+
my $data ;
|
| 1225 |
+
$status = $self->read($data, $reclen) ;
|
| 1226 |
+
return ($status, \$data);
|
| 1227 |
+
}
|
| 1228 |
+
|
| 1229 |
+
# Paragraph Mode
|
| 1230 |
+
if ( ! length $/ ) {
|
| 1231 |
+
my $paragraph ;
|
| 1232 |
+
while (($status = $self->read($paragraph)) > 0 ) {
|
| 1233 |
+
if ($paragraph =~ s/^(.*?\n\n+)//s) {
|
| 1234 |
+
*$self->{Pending} = $paragraph ;
|
| 1235 |
+
my $par = $1 ;
|
| 1236 |
+
return (1, \$par);
|
| 1237 |
+
}
|
| 1238 |
+
}
|
| 1239 |
+
return ($status, \$paragraph);
|
| 1240 |
+
}
|
| 1241 |
+
|
| 1242 |
+
# $/ isn't empty, or a reference, so it's Line Mode.
|
| 1243 |
+
{
|
| 1244 |
+
my $line ;
|
| 1245 |
+
my $p = \*$self->{Pending} ;
|
| 1246 |
+
while (($status = $self->read($line)) > 0 ) {
|
| 1247 |
+
my $offset = index($line, $/);
|
| 1248 |
+
if ($offset >= 0) {
|
| 1249 |
+
my $l = substr($line, 0, $offset + length $/ );
|
| 1250 |
+
substr($line, 0, $offset + length $/) = '';
|
| 1251 |
+
$$p = $line;
|
| 1252 |
+
return (1, \$l);
|
| 1253 |
+
}
|
| 1254 |
+
}
|
| 1255 |
+
|
| 1256 |
+
return ($status, \$line);
|
| 1257 |
+
}
|
| 1258 |
+
}
|
| 1259 |
+
|
| 1260 |
+
sub getline
|
| 1261 |
+
{
|
| 1262 |
+
my $self = shift;
|
| 1263 |
+
|
| 1264 |
+
if (defined *$self->{ReadStatus} ) {
|
| 1265 |
+
$self->saveErrorString( @{ *$self->{ReadStatus} } );
|
| 1266 |
+
delete *$self->{ReadStatus} ;
|
| 1267 |
+
return undef;
|
| 1268 |
+
}
|
| 1269 |
+
|
| 1270 |
+
return undef
|
| 1271 |
+
if *$self->{Closed} || (!length *$self->{Pending} && *$self->{EndStream}) ;
|
| 1272 |
+
|
| 1273 |
+
my $current_append = *$self->{AppendOutput} ;
|
| 1274 |
+
*$self->{AppendOutput} = 1;
|
| 1275 |
+
|
| 1276 |
+
my ($status, $lineref) = $self->_getline();
|
| 1277 |
+
*$self->{AppendOutput} = $current_append;
|
| 1278 |
+
|
| 1279 |
+
return undef
|
| 1280 |
+
if $status < 0 || length $$lineref == 0 ;
|
| 1281 |
+
|
| 1282 |
+
$. = ++ *$self->{LineNo} ;
|
| 1283 |
+
|
| 1284 |
+
return $$lineref ;
|
| 1285 |
+
}
|
| 1286 |
+
|
| 1287 |
+
sub getlines
|
| 1288 |
+
{
|
| 1289 |
+
my $self = shift;
|
| 1290 |
+
$self->croakError(*$self->{ClassName} .
|
| 1291 |
+
"::getlines: called in scalar context\n") unless wantarray;
|
| 1292 |
+
my($line, @lines);
|
| 1293 |
+
push(@lines, $line)
|
| 1294 |
+
while defined($line = $self->getline);
|
| 1295 |
+
return @lines;
|
| 1296 |
+
}
|
| 1297 |
+
|
| 1298 |
+
sub READLINE
|
| 1299 |
+
{
|
| 1300 |
+
goto &getlines if wantarray;
|
| 1301 |
+
goto &getline;
|
| 1302 |
+
}
|
| 1303 |
+
|
| 1304 |
+
sub getc
|
| 1305 |
+
{
|
| 1306 |
+
my $self = shift;
|
| 1307 |
+
my $buf;
|
| 1308 |
+
return $buf if $self->read($buf, 1);
|
| 1309 |
+
return undef;
|
| 1310 |
+
}
|
| 1311 |
+
|
| 1312 |
+
sub ungetc
|
| 1313 |
+
{
|
| 1314 |
+
my $self = shift;
|
| 1315 |
+
*$self->{Pending} = "" unless defined *$self->{Pending} ;
|
| 1316 |
+
*$self->{Pending} = $_[0] . *$self->{Pending} ;
|
| 1317 |
+
}
|
| 1318 |
+
|
| 1319 |
+
|
| 1320 |
+
sub trailingData
|
| 1321 |
+
{
|
| 1322 |
+
my $self = shift ;
|
| 1323 |
+
|
| 1324 |
+
if (defined *$self->{FH} || defined *$self->{InputEvent} ) {
|
| 1325 |
+
return *$self->{Prime} ;
|
| 1326 |
+
}
|
| 1327 |
+
else {
|
| 1328 |
+
my $buf = *$self->{Buffer} ;
|
| 1329 |
+
my $offset = *$self->{BufferOffset} ;
|
| 1330 |
+
return substr($$buf, $offset) ;
|
| 1331 |
+
}
|
| 1332 |
+
}
|
| 1333 |
+
|
| 1334 |
+
|
| 1335 |
+
sub eof
|
| 1336 |
+
{
|
| 1337 |
+
my $self = shift ;
|
| 1338 |
+
|
| 1339 |
+
return (*$self->{Closed} ||
|
| 1340 |
+
(!length *$self->{Pending}
|
| 1341 |
+
&& ( $self->smartEof() || *$self->{EndStream}))) ;
|
| 1342 |
+
}
|
| 1343 |
+
|
| 1344 |
+
sub tell
|
| 1345 |
+
{
|
| 1346 |
+
my $self = shift ;
|
| 1347 |
+
|
| 1348 |
+
my $in ;
|
| 1349 |
+
if (*$self->{Plain}) {
|
| 1350 |
+
$in = *$self->{PlainBytesRead} ;
|
| 1351 |
+
}
|
| 1352 |
+
else {
|
| 1353 |
+
$in = *$self->{TotalInflatedBytesRead} ;
|
| 1354 |
+
}
|
| 1355 |
+
|
| 1356 |
+
my $pending = length *$self->{Pending} ;
|
| 1357 |
+
|
| 1358 |
+
return 0 if $pending > $in ;
|
| 1359 |
+
return $in - $pending ;
|
| 1360 |
+
}
|
| 1361 |
+
|
| 1362 |
+
sub close
|
| 1363 |
+
{
|
| 1364 |
+
# todo - what to do if close is called before the end of the gzip file
|
| 1365 |
+
# do we remember any trailing data?
|
| 1366 |
+
my $self = shift ;
|
| 1367 |
+
|
| 1368 |
+
return 1 if *$self->{Closed} ;
|
| 1369 |
+
|
| 1370 |
+
untie *$self
|
| 1371 |
+
if $] >= 5.008 ;
|
| 1372 |
+
|
| 1373 |
+
my $status = 1 ;
|
| 1374 |
+
|
| 1375 |
+
if (defined *$self->{FH}) {
|
| 1376 |
+
if ((! *$self->{Handle} || *$self->{AutoClose}) && ! *$self->{StdIO}) {
|
| 1377 |
+
local $.;
|
| 1378 |
+
$! = 0 ;
|
| 1379 |
+
$status = *$self->{FH}->close();
|
| 1380 |
+
return $self->saveErrorString(0, $!, $!)
|
| 1381 |
+
if !*$self->{InNew} && $self->saveStatus($!) != 0 ;
|
| 1382 |
+
}
|
| 1383 |
+
delete *$self->{FH} ;
|
| 1384 |
+
$! = 0 ;
|
| 1385 |
+
}
|
| 1386 |
+
*$self->{Closed} = 1 ;
|
| 1387 |
+
|
| 1388 |
+
return 1;
|
| 1389 |
+
}
|
| 1390 |
+
|
| 1391 |
+
sub DESTROY
|
| 1392 |
+
{
|
| 1393 |
+
my $self = shift ;
|
| 1394 |
+
local ($., $@, $!, $^E, $?);
|
| 1395 |
+
|
| 1396 |
+
$self->close() ;
|
| 1397 |
+
}
|
| 1398 |
+
|
| 1399 |
+
sub seek
|
| 1400 |
+
{
|
| 1401 |
+
my $self = shift ;
|
| 1402 |
+
my $position = shift;
|
| 1403 |
+
my $whence = shift ;
|
| 1404 |
+
|
| 1405 |
+
my $here = $self->tell() ;
|
| 1406 |
+
my $target = 0 ;
|
| 1407 |
+
|
| 1408 |
+
|
| 1409 |
+
if ($whence == SEEK_SET) {
|
| 1410 |
+
$target = $position ;
|
| 1411 |
+
}
|
| 1412 |
+
elsif ($whence == SEEK_CUR) {
|
| 1413 |
+
$target = $here + $position ;
|
| 1414 |
+
}
|
| 1415 |
+
elsif ($whence == SEEK_END) {
|
| 1416 |
+
$target = $position ;
|
| 1417 |
+
$self->croakError(*$self->{ClassName} . "::seek: SEEK_END not allowed") ;
|
| 1418 |
+
}
|
| 1419 |
+
else {
|
| 1420 |
+
$self->croakError(*$self->{ClassName} ."::seek: unknown value, $whence, for whence parameter");
|
| 1421 |
+
}
|
| 1422 |
+
|
| 1423 |
+
# short circuit if seeking to current offset
|
| 1424 |
+
if ($target == $here) {
|
| 1425 |
+
# On ordinary filehandles, seeking to the current
|
| 1426 |
+
# position also clears the EOF condition, so we
|
| 1427 |
+
# emulate this behavior locally while simultaneously
|
| 1428 |
+
# cascading it to the underlying filehandle
|
| 1429 |
+
if (*$self->{Plain}) {
|
| 1430 |
+
*$self->{EndStream} = 0;
|
| 1431 |
+
seek(*$self->{FH},0,1) if *$self->{FH};
|
| 1432 |
+
}
|
| 1433 |
+
return 1;
|
| 1434 |
+
}
|
| 1435 |
+
|
| 1436 |
+
# Outlaw any attempt to seek backwards
|
| 1437 |
+
$self->croakError( *$self->{ClassName} ."::seek: cannot seek backwards")
|
| 1438 |
+
if $target < $here ;
|
| 1439 |
+
|
| 1440 |
+
# Walk the file to the new offset
|
| 1441 |
+
my $offset = $target - $here ;
|
| 1442 |
+
|
| 1443 |
+
my $got;
|
| 1444 |
+
while (($got = $self->read(my $buffer, List::Util::min($offset, *$self->{BlockSize})) ) > 0)
|
| 1445 |
+
{
|
| 1446 |
+
$offset -= $got;
|
| 1447 |
+
last if $offset == 0 ;
|
| 1448 |
+
}
|
| 1449 |
+
|
| 1450 |
+
$here = $self->tell() ;
|
| 1451 |
+
return $offset == 0 ? 1 : 0 ;
|
| 1452 |
+
}
|
| 1453 |
+
|
| 1454 |
+
sub fileno
|
| 1455 |
+
{
|
| 1456 |
+
my $self = shift ;
|
| 1457 |
+
return defined *$self->{FH}
|
| 1458 |
+
? fileno *$self->{FH}
|
| 1459 |
+
: undef ;
|
| 1460 |
+
}
|
| 1461 |
+
|
| 1462 |
+
sub binmode
|
| 1463 |
+
{
|
| 1464 |
+
1;
|
| 1465 |
+
# my $self = shift ;
|
| 1466 |
+
# return defined *$self->{FH}
|
| 1467 |
+
# ? binmode *$self->{FH}
|
| 1468 |
+
# : 1 ;
|
| 1469 |
+
}
|
| 1470 |
+
|
| 1471 |
+
sub opened
|
| 1472 |
+
{
|
| 1473 |
+
my $self = shift ;
|
| 1474 |
+
return ! *$self->{Closed} ;
|
| 1475 |
+
}
|
| 1476 |
+
|
| 1477 |
+
sub autoflush
|
| 1478 |
+
{
|
| 1479 |
+
my $self = shift ;
|
| 1480 |
+
return defined *$self->{FH}
|
| 1481 |
+
? *$self->{FH}->autoflush(@_)
|
| 1482 |
+
: undef ;
|
| 1483 |
+
}
|
| 1484 |
+
|
| 1485 |
+
sub input_line_number
|
| 1486 |
+
{
|
| 1487 |
+
my $self = shift ;
|
| 1488 |
+
my $last = *$self->{LineNo};
|
| 1489 |
+
$. = *$self->{LineNo} = $_[1] if @_ ;
|
| 1490 |
+
return $last;
|
| 1491 |
+
}
|
| 1492 |
+
|
| 1493 |
+
sub _notAvailable
|
| 1494 |
+
{
|
| 1495 |
+
my $name = shift ;
|
| 1496 |
+
return sub { croak "$name Not Available: File opened only for intput" ; } ;
|
| 1497 |
+
}
|
| 1498 |
+
|
| 1499 |
+
{
|
| 1500 |
+
no warnings 'once';
|
| 1501 |
+
|
| 1502 |
+
*BINMODE = \&binmode;
|
| 1503 |
+
*SEEK = \&seek;
|
| 1504 |
+
*READ = \&read;
|
| 1505 |
+
*sysread = \&read;
|
| 1506 |
+
*TELL = \&tell;
|
| 1507 |
+
*EOF = \&eof;
|
| 1508 |
+
|
| 1509 |
+
*FILENO = \&fileno;
|
| 1510 |
+
*CLOSE = \&close;
|
| 1511 |
+
|
| 1512 |
+
*print = _notAvailable('print');
|
| 1513 |
+
*PRINT = _notAvailable('print');
|
| 1514 |
+
*printf = _notAvailable('printf');
|
| 1515 |
+
*PRINTF = _notAvailable('printf');
|
| 1516 |
+
*write = _notAvailable('write');
|
| 1517 |
+
*WRITE = _notAvailable('write');
|
| 1518 |
+
|
| 1519 |
+
#*sysread = \&read;
|
| 1520 |
+
#*syswrite = \&_notAvailable;
|
| 1521 |
+
}
|
| 1522 |
+
|
| 1523 |
+
|
| 1524 |
+
|
| 1525 |
+
package IO::Uncompress::Base ;
|
| 1526 |
+
|
| 1527 |
+
|
| 1528 |
+
1 ;
|
| 1529 |
+
__END__
|
| 1530 |
+
|
| 1531 |
+
=head1 NAME
|
| 1532 |
+
|
| 1533 |
+
IO::Uncompress::Base - Base Class for IO::Uncompress modules
|
| 1534 |
+
|
| 1535 |
+
=head1 SYNOPSIS
|
| 1536 |
+
|
| 1537 |
+
use IO::Uncompress::Base ;
|
| 1538 |
+
|
| 1539 |
+
=head1 DESCRIPTION
|
| 1540 |
+
|
| 1541 |
+
This module is not intended for direct use in application code. Its sole
|
| 1542 |
+
purpose is to be sub-classed by IO::Uncompress modules.
|
| 1543 |
+
|
| 1544 |
+
=head1 SUPPORT
|
| 1545 |
+
|
| 1546 |
+
General feedback/questions/bug reports should be sent to
|
| 1547 |
+
L<https://github.com/pmqs/IO-Compress/issues> (preferred) or
|
| 1548 |
+
L<https://rt.cpan.org/Public/Dist/Display.html?Name=IO-Compress>.
|
| 1549 |
+
|
| 1550 |
+
=head1 SEE ALSO
|
| 1551 |
+
|
| 1552 |
+
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::Lzma>, L<IO::Uncompress::UnLzma>, L<IO::Compress::Xz>, L<IO::Uncompress::UnXz>, L<IO::Compress::Lzip>, L<IO::Uncompress::UnLzip>, L<IO::Compress::Lzop>, L<IO::Uncompress::UnLzop>, L<IO::Compress::Lzf>, L<IO::Uncompress::UnLzf>, L<IO::Compress::Zstd>, L<IO::Uncompress::UnZstd>, L<IO::Uncompress::AnyInflate>, L<IO::Uncompress::AnyUncompress>
|
| 1553 |
+
|
| 1554 |
+
L<IO::Compress::FAQ|IO::Compress::FAQ>
|
| 1555 |
+
|
| 1556 |
+
L<File::GlobMapper|File::GlobMapper>, L<Archive::Zip|Archive::Zip>,
|
| 1557 |
+
L<Archive::Tar|Archive::Tar>,
|
| 1558 |
+
L<IO::Zlib|IO::Zlib>
|
| 1559 |
+
|
| 1560 |
+
=head1 AUTHOR
|
| 1561 |
+
|
| 1562 |
+
This module was written by Paul Marquess, C<pmqs@cpan.org>.
|
| 1563 |
+
|
| 1564 |
+
=head1 MODIFICATION HISTORY
|
| 1565 |
+
|
| 1566 |
+
See the Changes file.
|
| 1567 |
+
|
| 1568 |
+
=head1 COPYRIGHT AND LICENSE
|
| 1569 |
+
|
| 1570 |
+
Copyright (c) 2005-2024 Paul Marquess. All rights reserved.
|
| 1571 |
+
|
| 1572 |
+
This program is free software; you can redistribute it and/or
|
| 1573 |
+
modify it under the same terms as Perl itself.
|
git/usr/share/perl5/core_perl/IO/Uncompress/Bunzip2.pm
ADDED
|
@@ -0,0 +1,928 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
| 1 |
+
package IO::Uncompress::Bunzip2 ;
|
| 2 |
+
|
| 3 |
+
use strict ;
|
| 4 |
+
use warnings;
|
| 5 |
+
use bytes;
|
| 6 |
+
|
| 7 |
+
use IO::Compress::Base::Common 2.213 qw(:Status );
|
| 8 |
+
|
| 9 |
+
use IO::Uncompress::Base 2.213 ;
|
| 10 |
+
use IO::Uncompress::Adapter::Bunzip2 2.213 ;
|
| 11 |
+
|
| 12 |
+
require Exporter ;
|
| 13 |
+
our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, $Bunzip2Error);
|
| 14 |
+
|
| 15 |
+
$VERSION = '2.213';
|
| 16 |
+
$Bunzip2Error = '';
|
| 17 |
+
|
| 18 |
+
@ISA = qw(IO::Uncompress::Base Exporter);
|
| 19 |
+
@EXPORT_OK = qw( $Bunzip2Error bunzip2 ) ;
|
| 20 |
+
#%EXPORT_TAGS = %IO::Uncompress::Base::EXPORT_TAGS ;
|
| 21 |
+
push @{ $EXPORT_TAGS{all} }, @EXPORT_OK ;
|
| 22 |
+
#Exporter::export_ok_tags('all');
|
| 23 |
+
|
| 24 |
+
|
| 25 |
+
sub new
|
| 26 |
+
{
|
| 27 |
+
my $class = shift ;
|
| 28 |
+
my $obj = IO::Compress::Base::Common::createSelfTiedObject($class, \$Bunzip2Error);
|
| 29 |
+
|
| 30 |
+
$obj->_create(undef, 0, @_);
|
| 31 |
+
}
|
| 32 |
+
|
| 33 |
+
sub bunzip2
|
| 34 |
+
{
|
| 35 |
+
my $obj = IO::Compress::Base::Common::createSelfTiedObject(undef, \$Bunzip2Error);
|
| 36 |
+
return $obj->_inf(@_);
|
| 37 |
+
}
|
| 38 |
+
|
| 39 |
+
sub getExtraParams
|
| 40 |
+
{
|
| 41 |
+
return (
|
| 42 |
+
'verbosity' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 43 |
+
'small' => [IO::Compress::Base::Common::Parse_boolean, 0],
|
| 44 |
+
);
|
| 45 |
+
}
|
| 46 |
+
|
| 47 |
+
|
| 48 |
+
sub ckParams
|
| 49 |
+
{
|
| 50 |
+
my $self = shift ;
|
| 51 |
+
my $got = shift ;
|
| 52 |
+
|
| 53 |
+
return 1;
|
| 54 |
+
}
|
| 55 |
+
|
| 56 |
+
sub mkUncomp
|
| 57 |
+
{
|
| 58 |
+
my $self = shift ;
|
| 59 |
+
my $got = shift ;
|
| 60 |
+
|
| 61 |
+
my $magic = $self->ckMagic()
|
| 62 |
+
or return 0;
|
| 63 |
+
|
| 64 |
+
*$self->{Info} = $self->readHeader($magic)
|
| 65 |
+
or return undef ;
|
| 66 |
+
|
| 67 |
+
my $Small = $got->getValue('small');
|
| 68 |
+
my $Verbosity = $got->getValue('verbosity');
|
| 69 |
+
|
| 70 |
+
my ($obj, $errstr, $errno) = IO::Uncompress::Adapter::Bunzip2::mkUncompObject(
|
| 71 |
+
$Small, $Verbosity);
|
| 72 |
+
|
| 73 |
+
return $self->saveErrorString(undef, $errstr, $errno)
|
| 74 |
+
if ! defined $obj;
|
| 75 |
+
|
| 76 |
+
*$self->{Uncomp} = $obj;
|
| 77 |
+
|
| 78 |
+
return 1;
|
| 79 |
+
|
| 80 |
+
}
|
| 81 |
+
|
| 82 |
+
|
| 83 |
+
sub ckMagic
|
| 84 |
+
{
|
| 85 |
+
my $self = shift;
|
| 86 |
+
|
| 87 |
+
my $magic ;
|
| 88 |
+
$self->smartReadExact(\$magic, 4);
|
| 89 |
+
|
| 90 |
+
*$self->{HeaderPending} = $magic ;
|
| 91 |
+
|
| 92 |
+
return $self->HeaderError("Header size is " .
|
| 93 |
+
4 . " bytes")
|
| 94 |
+
if length $magic != 4;
|
| 95 |
+
|
| 96 |
+
return $self->HeaderError("Bad Magic.")
|
| 97 |
+
if ! isBzip2Magic($magic) ;
|
| 98 |
+
|
| 99 |
+
|
| 100 |
+
*$self->{Type} = 'bzip2';
|
| 101 |
+
return $magic;
|
| 102 |
+
}
|
| 103 |
+
|
| 104 |
+
sub readHeader
|
| 105 |
+
{
|
| 106 |
+
my $self = shift;
|
| 107 |
+
my $magic = shift ;
|
| 108 |
+
|
| 109 |
+
$self->pushBack($magic);
|
| 110 |
+
*$self->{HeaderPending} = '';
|
| 111 |
+
|
| 112 |
+
|
| 113 |
+
return {
|
| 114 |
+
'Type' => 'bzip2',
|
| 115 |
+
'FingerprintLength' => 4,
|
| 116 |
+
'HeaderLength' => 4,
|
| 117 |
+
'TrailerLength' => 0,
|
| 118 |
+
'Header' => '$magic'
|
| 119 |
+
};
|
| 120 |
+
|
| 121 |
+
}
|
| 122 |
+
|
| 123 |
+
sub chkTrailer
|
| 124 |
+
{
|
| 125 |
+
return STATUS_OK;
|
| 126 |
+
}
|
| 127 |
+
|
| 128 |
+
|
| 129 |
+
|
| 130 |
+
sub isBzip2Magic
|
| 131 |
+
{
|
| 132 |
+
my $buffer = shift ;
|
| 133 |
+
|
| 134 |
+
# ASCII: B Z h 0 9
|
| 135 |
+
return $buffer =~ qr/^\x42\x5A\x68[\x30-\x39]$/;
|
| 136 |
+
}
|
| 137 |
+
|
| 138 |
+
1 ;
|
| 139 |
+
|
| 140 |
+
__END__
|
| 141 |
+
|
| 142 |
+
|
| 143 |
+
=head1 NAME
|
| 144 |
+
|
| 145 |
+
IO::Uncompress::Bunzip2 - Read bzip2 files/buffers
|
| 146 |
+
|
| 147 |
+
=head1 SYNOPSIS
|
| 148 |
+
|
| 149 |
+
use IO::Uncompress::Bunzip2 qw(bunzip2 $Bunzip2Error) ;
|
| 150 |
+
|
| 151 |
+
my $status = bunzip2 $input => $output [,OPTS]
|
| 152 |
+
or die "bunzip2 failed: $Bunzip2Error\n";
|
| 153 |
+
|
| 154 |
+
my $z = IO::Uncompress::Bunzip2->new( $input [OPTS] )
|
| 155 |
+
or die "bunzip2 failed: $Bunzip2Error\n";
|
| 156 |
+
|
| 157 |
+
$status = $z->read($buffer)
|
| 158 |
+
$status = $z->read($buffer, $length)
|
| 159 |
+
$status = $z->read($buffer, $length, $offset)
|
| 160 |
+
$line = $z->getline()
|
| 161 |
+
$char = $z->getc()
|
| 162 |
+
$char = $z->ungetc()
|
| 163 |
+
$char = $z->opened()
|
| 164 |
+
|
| 165 |
+
$data = $z->trailingData()
|
| 166 |
+
$status = $z->nextStream()
|
| 167 |
+
$data = $z->getHeaderInfo()
|
| 168 |
+
$z->tell()
|
| 169 |
+
$z->seek($position, $whence)
|
| 170 |
+
$z->binmode()
|
| 171 |
+
$z->fileno()
|
| 172 |
+
$z->eof()
|
| 173 |
+
$z->close()
|
| 174 |
+
|
| 175 |
+
$Bunzip2Error ;
|
| 176 |
+
|
| 177 |
+
# IO::File mode
|
| 178 |
+
|
| 179 |
+
<$z>
|
| 180 |
+
read($z, $buffer);
|
| 181 |
+
read($z, $buffer, $length);
|
| 182 |
+
read($z, $buffer, $length, $offset);
|
| 183 |
+
tell($z)
|
| 184 |
+
seek($z, $position, $whence)
|
| 185 |
+
binmode($z)
|
| 186 |
+
fileno($z)
|
| 187 |
+
eof($z)
|
| 188 |
+
close($z)
|
| 189 |
+
|
| 190 |
+
=head1 DESCRIPTION
|
| 191 |
+
|
| 192 |
+
This module provides a Perl interface that allows the reading of
|
| 193 |
+
bzip2 files/buffers.
|
| 194 |
+
|
| 195 |
+
For writing bzip2 files/buffers, see the companion module IO::Compress::Bzip2.
|
| 196 |
+
|
| 197 |
+
=head1 Functional Interface
|
| 198 |
+
|
| 199 |
+
A top-level function, C<bunzip2>, is provided to carry out
|
| 200 |
+
"one-shot" uncompression between buffers and/or files. For finer
|
| 201 |
+
control over the uncompression process, see the L</"OO Interface">
|
| 202 |
+
section.
|
| 203 |
+
|
| 204 |
+
use IO::Uncompress::Bunzip2 qw(bunzip2 $Bunzip2Error) ;
|
| 205 |
+
|
| 206 |
+
bunzip2 $input_filename_or_reference => $output_filename_or_reference [,OPTS]
|
| 207 |
+
or die "bunzip2 failed: $Bunzip2Error\n";
|
| 208 |
+
|
| 209 |
+
The functional interface needs Perl5.005 or better.
|
| 210 |
+
|
| 211 |
+
=head2 bunzip2 $input_filename_or_reference => $output_filename_or_reference [, OPTS]
|
| 212 |
+
|
| 213 |
+
C<bunzip2> expects at least two parameters,
|
| 214 |
+
C<$input_filename_or_reference> and C<$output_filename_or_reference>
|
| 215 |
+
and zero or more optional parameters (see L</Optional Parameters>)
|
| 216 |
+
|
| 217 |
+
=head3 The C<$input_filename_or_reference> parameter
|
| 218 |
+
|
| 219 |
+
The parameter, C<$input_filename_or_reference>, is used to define the
|
| 220 |
+
source of the compressed data.
|
| 221 |
+
|
| 222 |
+
It can take one of the following forms:
|
| 223 |
+
|
| 224 |
+
=over 5
|
| 225 |
+
|
| 226 |
+
=item A filename
|
| 227 |
+
|
| 228 |
+
If the C<$input_filename_or_reference> parameter is a simple scalar, it is
|
| 229 |
+
assumed to be a filename. This file will be opened for reading and the
|
| 230 |
+
input data will be read from it.
|
| 231 |
+
|
| 232 |
+
=item A filehandle
|
| 233 |
+
|
| 234 |
+
If the C<$input_filename_or_reference> parameter is a filehandle, the input
|
| 235 |
+
data will be read from it. The string '-' can be used as an alias for
|
| 236 |
+
standard input.
|
| 237 |
+
|
| 238 |
+
=item A scalar reference
|
| 239 |
+
|
| 240 |
+
If C<$input_filename_or_reference> is a scalar reference, the input data
|
| 241 |
+
will be read from C<$$input_filename_or_reference>.
|
| 242 |
+
|
| 243 |
+
=item An array reference
|
| 244 |
+
|
| 245 |
+
If C<$input_filename_or_reference> is an array reference, each element in
|
| 246 |
+
the array must be a filename.
|
| 247 |
+
|
| 248 |
+
The input data will be read from each file in turn.
|
| 249 |
+
|
| 250 |
+
The complete array will be walked to ensure that it only
|
| 251 |
+
contains valid filenames before any data is uncompressed.
|
| 252 |
+
|
| 253 |
+
=item An Input FileGlob string
|
| 254 |
+
|
| 255 |
+
If C<$input_filename_or_reference> is a string that is delimited by the
|
| 256 |
+
characters "<" and ">" C<bunzip2> will assume that it is an
|
| 257 |
+
I<input fileglob string>. The input is the list of files that match the
|
| 258 |
+
fileglob.
|
| 259 |
+
|
| 260 |
+
See L<File::GlobMapper|File::GlobMapper> for more details.
|
| 261 |
+
|
| 262 |
+
=back
|
| 263 |
+
|
| 264 |
+
If the C<$input_filename_or_reference> parameter is any other type,
|
| 265 |
+
C<undef> will be returned.
|
| 266 |
+
|
| 267 |
+
=head3 The C<$output_filename_or_reference> parameter
|
| 268 |
+
|
| 269 |
+
The parameter C<$output_filename_or_reference> is used to control the
|
| 270 |
+
destination of the uncompressed data. This parameter can take one of
|
| 271 |
+
these forms.
|
| 272 |
+
|
| 273 |
+
=over 5
|
| 274 |
+
|
| 275 |
+
=item A filename
|
| 276 |
+
|
| 277 |
+
If the C<$output_filename_or_reference> parameter is a simple scalar, it is
|
| 278 |
+
assumed to be a filename. This file will be opened for writing and the
|
| 279 |
+
uncompressed data will be written to it.
|
| 280 |
+
|
| 281 |
+
=item A filehandle
|
| 282 |
+
|
| 283 |
+
If the C<$output_filename_or_reference> parameter is a filehandle, the
|
| 284 |
+
uncompressed data will be written to it. The string '-' can be used as
|
| 285 |
+
an alias for standard output.
|
| 286 |
+
|
| 287 |
+
=item A scalar reference
|
| 288 |
+
|
| 289 |
+
If C<$output_filename_or_reference> is a scalar reference, the
|
| 290 |
+
uncompressed data will be stored in C<$$output_filename_or_reference>.
|
| 291 |
+
|
| 292 |
+
=item An Array Reference
|
| 293 |
+
|
| 294 |
+
If C<$output_filename_or_reference> is an array reference,
|
| 295 |
+
the uncompressed data will be pushed onto the array.
|
| 296 |
+
|
| 297 |
+
=item An Output FileGlob
|
| 298 |
+
|
| 299 |
+
If C<$output_filename_or_reference> is a string that is delimited by the
|
| 300 |
+
characters "<" and ">" C<bunzip2> will assume that it is an
|
| 301 |
+
I<output fileglob string>. The output is the list of files that match the
|
| 302 |
+
fileglob.
|
| 303 |
+
|
| 304 |
+
When C<$output_filename_or_reference> is an fileglob string,
|
| 305 |
+
C<$input_filename_or_reference> must also be a fileglob string. Anything
|
| 306 |
+
else is an error.
|
| 307 |
+
|
| 308 |
+
See L<File::GlobMapper|File::GlobMapper> for more details.
|
| 309 |
+
|
| 310 |
+
=back
|
| 311 |
+
|
| 312 |
+
If the C<$output_filename_or_reference> parameter is any other type,
|
| 313 |
+
C<undef> will be returned.
|
| 314 |
+
|
| 315 |
+
=head2 Notes
|
| 316 |
+
|
| 317 |
+
When C<$input_filename_or_reference> maps to multiple compressed
|
| 318 |
+
files/buffers and C<$output_filename_or_reference> is
|
| 319 |
+
a single file/buffer, after uncompression C<$output_filename_or_reference> will contain a
|
| 320 |
+
concatenation of all the uncompressed data from each of the input
|
| 321 |
+
files/buffers.
|
| 322 |
+
|
| 323 |
+
=head2 Optional Parameters
|
| 324 |
+
|
| 325 |
+
The optional parameters for the one-shot function C<bunzip2>
|
| 326 |
+
are (for the most part) identical to those used with the OO interface defined in the
|
| 327 |
+
L</"Constructor Options"> section. The exceptions are listed below
|
| 328 |
+
|
| 329 |
+
=over 5
|
| 330 |
+
|
| 331 |
+
=item C<< AutoClose => 0|1 >>
|
| 332 |
+
|
| 333 |
+
This option applies to any input or output data streams to
|
| 334 |
+
C<bunzip2> that are filehandles.
|
| 335 |
+
|
| 336 |
+
If C<AutoClose> is specified, and the value is true, it will result in all
|
| 337 |
+
input and/or output filehandles being closed once C<bunzip2> has
|
| 338 |
+
completed.
|
| 339 |
+
|
| 340 |
+
This parameter defaults to 0.
|
| 341 |
+
|
| 342 |
+
=item C<< BinModeOut => 0|1 >>
|
| 343 |
+
|
| 344 |
+
This option is now a no-op. All files will be written in binmode.
|
| 345 |
+
|
| 346 |
+
=item C<< Append => 0|1 >>
|
| 347 |
+
|
| 348 |
+
The behaviour of this option is dependent on the type of output data
|
| 349 |
+
stream.
|
| 350 |
+
|
| 351 |
+
=over 5
|
| 352 |
+
|
| 353 |
+
=item * A Buffer
|
| 354 |
+
|
| 355 |
+
If C<Append> is enabled, all uncompressed data will be append to the end of
|
| 356 |
+
the output buffer. Otherwise the output buffer will be cleared before any
|
| 357 |
+
uncompressed data is written to it.
|
| 358 |
+
|
| 359 |
+
=item * A Filename
|
| 360 |
+
|
| 361 |
+
If C<Append> is enabled, the file will be opened in append mode. Otherwise
|
| 362 |
+
the contents of the file, if any, will be truncated before any uncompressed
|
| 363 |
+
data is written to it.
|
| 364 |
+
|
| 365 |
+
=item * A Filehandle
|
| 366 |
+
|
| 367 |
+
If C<Append> is enabled, the filehandle will be positioned to the end of
|
| 368 |
+
the file via a call to C<seek> before any uncompressed data is
|
| 369 |
+
written to it. Otherwise the file pointer will not be moved.
|
| 370 |
+
|
| 371 |
+
=back
|
| 372 |
+
|
| 373 |
+
When C<Append> is specified, and set to true, it will I<append> all uncompressed
|
| 374 |
+
data to the output data stream.
|
| 375 |
+
|
| 376 |
+
So when the output is a filehandle it will carry out a seek to the eof
|
| 377 |
+
before writing any uncompressed data. If the output is a filename, it will be opened for
|
| 378 |
+
appending. If the output is a buffer, all uncompressed data will be
|
| 379 |
+
appended to the existing buffer.
|
| 380 |
+
|
| 381 |
+
Conversely when C<Append> is not specified, or it is present and is set to
|
| 382 |
+
false, it will operate as follows.
|
| 383 |
+
|
| 384 |
+
When the output is a filename, it will truncate the contents of the file
|
| 385 |
+
before writing any uncompressed data. If the output is a filehandle
|
| 386 |
+
its position will not be changed. If the output is a buffer, it will be
|
| 387 |
+
wiped before any uncompressed data is output.
|
| 388 |
+
|
| 389 |
+
Defaults to 0.
|
| 390 |
+
|
| 391 |
+
=item C<< MultiStream => 0|1 >>
|
| 392 |
+
|
| 393 |
+
If the input file/buffer contains multiple compressed data streams, this
|
| 394 |
+
option will uncompress the whole lot as a single data stream.
|
| 395 |
+
|
| 396 |
+
Defaults to 0.
|
| 397 |
+
|
| 398 |
+
=item C<< TrailingData => $scalar >>
|
| 399 |
+
|
| 400 |
+
Returns the data, if any, that is present immediately after the compressed
|
| 401 |
+
data stream once uncompression is complete.
|
| 402 |
+
|
| 403 |
+
This option can be used when there is useful information immediately
|
| 404 |
+
following the compressed data stream, and you don't know the length of the
|
| 405 |
+
compressed data stream.
|
| 406 |
+
|
| 407 |
+
If the input is a buffer, C<trailingData> will return everything from the
|
| 408 |
+
end of the compressed data stream to the end of the buffer.
|
| 409 |
+
|
| 410 |
+
If the input is a filehandle, C<trailingData> will return the data that is
|
| 411 |
+
left in the filehandle input buffer once the end of the compressed data
|
| 412 |
+
stream has been reached. You can then use the filehandle to read the rest
|
| 413 |
+
of the input file.
|
| 414 |
+
|
| 415 |
+
Don't bother using C<trailingData> if the input is a filename.
|
| 416 |
+
|
| 417 |
+
If you know the length of the compressed data stream before you start
|
| 418 |
+
uncompressing, you can avoid having to use C<trailingData> by setting the
|
| 419 |
+
C<InputLength> option.
|
| 420 |
+
|
| 421 |
+
=back
|
| 422 |
+
|
| 423 |
+
=head2 OneShot Examples
|
| 424 |
+
|
| 425 |
+
To read the contents of the file C<file1.txt.bz2> and write the
|
| 426 |
+
uncompressed data to the file C<file1.txt>.
|
| 427 |
+
|
| 428 |
+
use strict ;
|
| 429 |
+
use warnings ;
|
| 430 |
+
use IO::Uncompress::Bunzip2 qw(bunzip2 $Bunzip2Error) ;
|
| 431 |
+
|
| 432 |
+
my $input = "file1.txt.bz2";
|
| 433 |
+
my $output = "file1.txt";
|
| 434 |
+
bunzip2 $input => $output
|
| 435 |
+
or die "bunzip2 failed: $Bunzip2Error\n";
|
| 436 |
+
|
| 437 |
+
To read from an existing Perl filehandle, C<$input>, and write the
|
| 438 |
+
uncompressed data to a buffer, C<$buffer>.
|
| 439 |
+
|
| 440 |
+
use strict ;
|
| 441 |
+
use warnings ;
|
| 442 |
+
use IO::Uncompress::Bunzip2 qw(bunzip2 $Bunzip2Error) ;
|
| 443 |
+
use IO::File ;
|
| 444 |
+
|
| 445 |
+
my $input = IO::File->new( "<file1.txt.bz2" )
|
| 446 |
+
or die "Cannot open 'file1.txt.bz2': $!\n" ;
|
| 447 |
+
my $buffer ;
|
| 448 |
+
bunzip2 $input => \$buffer
|
| 449 |
+
or die "bunzip2 failed: $Bunzip2Error\n";
|
| 450 |
+
|
| 451 |
+
To uncompress all files in the directory "/my/home" that match "*.txt.bz2" and store the compressed data in the same directory
|
| 452 |
+
|
| 453 |
+
use strict ;
|
| 454 |
+
use warnings ;
|
| 455 |
+
use IO::Uncompress::Bunzip2 qw(bunzip2 $Bunzip2Error) ;
|
| 456 |
+
|
| 457 |
+
bunzip2 '</my/home/*.txt.bz2>' => '</my/home/#1.txt>'
|
| 458 |
+
or die "bunzip2 failed: $Bunzip2Error\n";
|
| 459 |
+
|
| 460 |
+
and if you want to compress each file one at a time, this will do the trick
|
| 461 |
+
|
| 462 |
+
use strict ;
|
| 463 |
+
use warnings ;
|
| 464 |
+
use IO::Uncompress::Bunzip2 qw(bunzip2 $Bunzip2Error) ;
|
| 465 |
+
|
| 466 |
+
for my $input ( glob "/my/home/*.txt.bz2" )
|
| 467 |
+
{
|
| 468 |
+
my $output = $input;
|
| 469 |
+
$output =~ s/.bz2// ;
|
| 470 |
+
bunzip2 $input => $output
|
| 471 |
+
or die "Error compressing '$input': $Bunzip2Error\n";
|
| 472 |
+
}
|
| 473 |
+
|
| 474 |
+
=head1 OO Interface
|
| 475 |
+
|
| 476 |
+
=head2 Constructor
|
| 477 |
+
|
| 478 |
+
The format of the constructor for IO::Uncompress::Bunzip2 is shown below
|
| 479 |
+
|
| 480 |
+
my $z = IO::Uncompress::Bunzip2->new( $input [OPTS] )
|
| 481 |
+
or die "IO::Uncompress::Bunzip2 failed: $Bunzip2Error\n";
|
| 482 |
+
|
| 483 |
+
The constructor takes one mandatory parameter, C<$input>, defined below, and
|
| 484 |
+
zero or more C<OPTS>, defined in L<Constructor Options>.
|
| 485 |
+
|
| 486 |
+
Returns an C<IO::Uncompress::Bunzip2> object on success and undef on failure.
|
| 487 |
+
The variable C<$Bunzip2Error> will contain an error message on failure.
|
| 488 |
+
|
| 489 |
+
If you are running Perl 5.005 or better the object, C<$z>, returned from
|
| 490 |
+
IO::Uncompress::Bunzip2 can be used exactly like an L<IO::File|IO::File> filehandle.
|
| 491 |
+
This means that all normal input file operations can be carried out with
|
| 492 |
+
C<$z>. For example, to read a line from a compressed file/buffer you can
|
| 493 |
+
use either of these forms
|
| 494 |
+
|
| 495 |
+
$line = $z->getline();
|
| 496 |
+
$line = <$z>;
|
| 497 |
+
|
| 498 |
+
Below is a simple exaple of using the OO interface to read the compressed file
|
| 499 |
+
C<myfile.bz2> and write its contents to stdout.
|
| 500 |
+
|
| 501 |
+
my $filename = "myfile.bz2";
|
| 502 |
+
my $z = IO::Uncompress::Bunzip2->new($filename)
|
| 503 |
+
or die "IO::Uncompress::Bunzip2 failed: $Bunzip2Error\n";
|
| 504 |
+
|
| 505 |
+
while (<$z>) {
|
| 506 |
+
print $_;
|
| 507 |
+
}
|
| 508 |
+
$z->close();
|
| 509 |
+
|
| 510 |
+
See L</EXAMPLES> for further examples
|
| 511 |
+
|
| 512 |
+
The mandatory parameter C<$input> is used to determine the source of the
|
| 513 |
+
compressed data. This parameter can take one of three forms.
|
| 514 |
+
|
| 515 |
+
=over 5
|
| 516 |
+
|
| 517 |
+
=item A filename
|
| 518 |
+
|
| 519 |
+
If the C<$input> parameter is a scalar, it is assumed to be a filename. This
|
| 520 |
+
file will be opened for reading and the compressed data will be read from it.
|
| 521 |
+
|
| 522 |
+
=item A filehandle
|
| 523 |
+
|
| 524 |
+
If the C<$input> parameter is a filehandle, the compressed data will be
|
| 525 |
+
read from it.
|
| 526 |
+
The string '-' can be used as an alias for standard input.
|
| 527 |
+
|
| 528 |
+
=item A scalar reference
|
| 529 |
+
|
| 530 |
+
If C<$input> is a scalar reference, the compressed data will be read from
|
| 531 |
+
C<$$input>.
|
| 532 |
+
|
| 533 |
+
=back
|
| 534 |
+
|
| 535 |
+
=head2 Constructor Options
|
| 536 |
+
|
| 537 |
+
The option names defined below are case insensitive and can be optionally
|
| 538 |
+
prefixed by a '-'. So all of the following are valid
|
| 539 |
+
|
| 540 |
+
-AutoClose
|
| 541 |
+
-autoclose
|
| 542 |
+
AUTOCLOSE
|
| 543 |
+
autoclose
|
| 544 |
+
|
| 545 |
+
OPTS is a combination of the following options:
|
| 546 |
+
|
| 547 |
+
=over 5
|
| 548 |
+
|
| 549 |
+
=item C<< AutoClose => 0|1 >>
|
| 550 |
+
|
| 551 |
+
This option is only valid when the C<$input> parameter is a filehandle. If
|
| 552 |
+
specified, and the value is true, it will result in the file being closed once
|
| 553 |
+
either the C<close> method is called or the IO::Uncompress::Bunzip2 object is
|
| 554 |
+
destroyed.
|
| 555 |
+
|
| 556 |
+
This parameter defaults to 0.
|
| 557 |
+
|
| 558 |
+
=item C<< MultiStream => 0|1 >>
|
| 559 |
+
|
| 560 |
+
Allows multiple concatenated compressed streams to be treated as a single
|
| 561 |
+
compressed stream. Decompression will stop once either the end of the
|
| 562 |
+
file/buffer is reached, an error is encountered (premature eof, corrupt
|
| 563 |
+
compressed data) or the end of a stream is not immediately followed by the
|
| 564 |
+
start of another stream.
|
| 565 |
+
|
| 566 |
+
This parameter defaults to 0.
|
| 567 |
+
|
| 568 |
+
=item C<< Prime => $string >>
|
| 569 |
+
|
| 570 |
+
This option will uncompress the contents of C<$string> before processing the
|
| 571 |
+
input file/buffer.
|
| 572 |
+
|
| 573 |
+
This option can be useful when the compressed data is embedded in another
|
| 574 |
+
file/data structure and it is not possible to work out where the compressed
|
| 575 |
+
data begins without having to read the first few bytes. If this is the
|
| 576 |
+
case, the uncompression can be I<primed> with these bytes using this
|
| 577 |
+
option.
|
| 578 |
+
|
| 579 |
+
=item C<< Transparent => 0|1 >>
|
| 580 |
+
|
| 581 |
+
If this option is set and the input file/buffer is not compressed data,
|
| 582 |
+
the module will allow reading of it anyway.
|
| 583 |
+
|
| 584 |
+
In addition, if the input file/buffer does contain compressed data and
|
| 585 |
+
there is non-compressed data immediately following it, setting this option
|
| 586 |
+
will make this module treat the whole file/buffer as a single data stream.
|
| 587 |
+
|
| 588 |
+
This option defaults to 1.
|
| 589 |
+
|
| 590 |
+
=item C<< BlockSize => $num >>
|
| 591 |
+
|
| 592 |
+
When reading the compressed input data, IO::Uncompress::Bunzip2 will read it in
|
| 593 |
+
blocks of C<$num> bytes.
|
| 594 |
+
|
| 595 |
+
This option defaults to 4096.
|
| 596 |
+
|
| 597 |
+
=item C<< InputLength => $size >>
|
| 598 |
+
|
| 599 |
+
When present this option will limit the number of compressed bytes read
|
| 600 |
+
from the input file/buffer to C<$size>. This option can be used in the
|
| 601 |
+
situation where there is useful data directly after the compressed data
|
| 602 |
+
stream and you know beforehand the exact length of the compressed data
|
| 603 |
+
stream.
|
| 604 |
+
|
| 605 |
+
This option is mostly used when reading from a filehandle, in which case
|
| 606 |
+
the file pointer will be left pointing to the first byte directly after the
|
| 607 |
+
compressed data stream.
|
| 608 |
+
|
| 609 |
+
This option defaults to off.
|
| 610 |
+
|
| 611 |
+
=item C<< Append => 0|1 >>
|
| 612 |
+
|
| 613 |
+
This option controls what the C<read> method does with uncompressed data.
|
| 614 |
+
|
| 615 |
+
If set to 1, all uncompressed data will be appended to the output parameter
|
| 616 |
+
of the C<read> method.
|
| 617 |
+
|
| 618 |
+
If set to 0, the contents of the output parameter of the C<read> method
|
| 619 |
+
will be overwritten by the uncompressed data.
|
| 620 |
+
|
| 621 |
+
Defaults to 0.
|
| 622 |
+
|
| 623 |
+
=item C<< Strict => 0|1 >>
|
| 624 |
+
|
| 625 |
+
This option is a no-op.
|
| 626 |
+
|
| 627 |
+
=item C<< Small => 0|1 >>
|
| 628 |
+
|
| 629 |
+
When non-zero this options will make bzip2 use a decompression algorithm
|
| 630 |
+
that uses less memory at the expense of increasing the amount of time
|
| 631 |
+
taken for decompression.
|
| 632 |
+
|
| 633 |
+
Default is 0.
|
| 634 |
+
|
| 635 |
+
=back
|
| 636 |
+
|
| 637 |
+
=head1 Methods
|
| 638 |
+
|
| 639 |
+
=head2 read
|
| 640 |
+
|
| 641 |
+
Usage is
|
| 642 |
+
|
| 643 |
+
$status = $z->read($buffer)
|
| 644 |
+
|
| 645 |
+
Reads a block of compressed data (the size of the compressed block is
|
| 646 |
+
determined by the C<Buffer> option in the constructor), uncompresses it and
|
| 647 |
+
writes any uncompressed data into C<$buffer>. If the C<Append> parameter is
|
| 648 |
+
set in the constructor, the uncompressed data will be appended to the
|
| 649 |
+
C<$buffer> parameter. Otherwise C<$buffer> will be overwritten.
|
| 650 |
+
|
| 651 |
+
Returns the number of uncompressed bytes written to C<$buffer>, zero if eof
|
| 652 |
+
or a negative number on error.
|
| 653 |
+
|
| 654 |
+
=head2 read
|
| 655 |
+
|
| 656 |
+
Usage is
|
| 657 |
+
|
| 658 |
+
$status = $z->read($buffer, $length)
|
| 659 |
+
$status = $z->read($buffer, $length, $offset)
|
| 660 |
+
|
| 661 |
+
$status = read($z, $buffer, $length)
|
| 662 |
+
$status = read($z, $buffer, $length, $offset)
|
| 663 |
+
|
| 664 |
+
Attempt to read C<$length> bytes of uncompressed data into C<$buffer>.
|
| 665 |
+
|
| 666 |
+
The main difference between this form of the C<read> method and the
|
| 667 |
+
previous one, is that this one will attempt to return I<exactly> C<$length>
|
| 668 |
+
bytes. The only circumstances that this function will not is if end-of-file
|
| 669 |
+
or an IO error is encountered.
|
| 670 |
+
|
| 671 |
+
Returns the number of uncompressed bytes written to C<$buffer>, zero if eof
|
| 672 |
+
or a negative number on error.
|
| 673 |
+
|
| 674 |
+
=head2 getline
|
| 675 |
+
|
| 676 |
+
Usage is
|
| 677 |
+
|
| 678 |
+
$line = $z->getline()
|
| 679 |
+
$line = <$z>
|
| 680 |
+
|
| 681 |
+
Reads a single line.
|
| 682 |
+
|
| 683 |
+
This method fully supports the use of the variable C<$/> (or
|
| 684 |
+
C<$INPUT_RECORD_SEPARATOR> or C<$RS> when C<English> is in use) to
|
| 685 |
+
determine what constitutes an end of line. Paragraph mode, record mode and
|
| 686 |
+
file slurp mode are all supported.
|
| 687 |
+
|
| 688 |
+
=head2 getc
|
| 689 |
+
|
| 690 |
+
Usage is
|
| 691 |
+
|
| 692 |
+
$char = $z->getc()
|
| 693 |
+
|
| 694 |
+
Read a single character.
|
| 695 |
+
|
| 696 |
+
=head2 ungetc
|
| 697 |
+
|
| 698 |
+
Usage is
|
| 699 |
+
|
| 700 |
+
$char = $z->ungetc($string)
|
| 701 |
+
|
| 702 |
+
=head2 getHeaderInfo
|
| 703 |
+
|
| 704 |
+
Usage is
|
| 705 |
+
|
| 706 |
+
$hdr = $z->getHeaderInfo();
|
| 707 |
+
@hdrs = $z->getHeaderInfo();
|
| 708 |
+
|
| 709 |
+
This method returns either a hash reference (in scalar context) or a list
|
| 710 |
+
or hash references (in array context) that contains information about each
|
| 711 |
+
of the header fields in the compressed data stream(s).
|
| 712 |
+
|
| 713 |
+
=head2 tell
|
| 714 |
+
|
| 715 |
+
Usage is
|
| 716 |
+
|
| 717 |
+
$z->tell()
|
| 718 |
+
tell $z
|
| 719 |
+
|
| 720 |
+
Returns the uncompressed file offset.
|
| 721 |
+
|
| 722 |
+
=head2 eof
|
| 723 |
+
|
| 724 |
+
Usage is
|
| 725 |
+
|
| 726 |
+
$z->eof();
|
| 727 |
+
eof($z);
|
| 728 |
+
|
| 729 |
+
Returns true if the end of the compressed input stream has been reached.
|
| 730 |
+
|
| 731 |
+
=head2 seek
|
| 732 |
+
|
| 733 |
+
$z->seek($position, $whence);
|
| 734 |
+
seek($z, $position, $whence);
|
| 735 |
+
|
| 736 |
+
Provides a sub-set of the C<seek> functionality, with the restriction
|
| 737 |
+
that it is only legal to seek forward in the input file/buffer.
|
| 738 |
+
It is a fatal error to attempt to seek backward.
|
| 739 |
+
|
| 740 |
+
Note that the implementation of C<seek> in this module does not provide
|
| 741 |
+
true random access to a compressed file/buffer. It works by uncompressing
|
| 742 |
+
data from the current offset in the file/buffer until it reaches the
|
| 743 |
+
uncompressed offset specified in the parameters to C<seek>. For very small
|
| 744 |
+
files this may be acceptable behaviour. For large files it may cause an
|
| 745 |
+
unacceptable delay.
|
| 746 |
+
|
| 747 |
+
The C<$whence> parameter takes one the usual values, namely SEEK_SET,
|
| 748 |
+
SEEK_CUR or SEEK_END.
|
| 749 |
+
|
| 750 |
+
Returns 1 on success, 0 on failure.
|
| 751 |
+
|
| 752 |
+
=head2 binmode
|
| 753 |
+
|
| 754 |
+
Usage is
|
| 755 |
+
|
| 756 |
+
$z->binmode
|
| 757 |
+
binmode $z ;
|
| 758 |
+
|
| 759 |
+
This is a noop provided for completeness.
|
| 760 |
+
|
| 761 |
+
=head2 opened
|
| 762 |
+
|
| 763 |
+
$z->opened()
|
| 764 |
+
|
| 765 |
+
Returns true if the object currently refers to a opened file/buffer.
|
| 766 |
+
|
| 767 |
+
=head2 autoflush
|
| 768 |
+
|
| 769 |
+
my $prev = $z->autoflush()
|
| 770 |
+
my $prev = $z->autoflush(EXPR)
|
| 771 |
+
|
| 772 |
+
If the C<$z> object is associated with a file or a filehandle, this method
|
| 773 |
+
returns the current autoflush setting for the underlying filehandle. If
|
| 774 |
+
C<EXPR> is present, and is non-zero, it will enable flushing after every
|
| 775 |
+
write/print operation.
|
| 776 |
+
|
| 777 |
+
If C<$z> is associated with a buffer, this method has no effect and always
|
| 778 |
+
returns C<undef>.
|
| 779 |
+
|
| 780 |
+
B<Note> that the special variable C<$|> B<cannot> be used to set or
|
| 781 |
+
retrieve the autoflush setting.
|
| 782 |
+
|
| 783 |
+
=head2 input_line_number
|
| 784 |
+
|
| 785 |
+
$z->input_line_number()
|
| 786 |
+
$z->input_line_number(EXPR)
|
| 787 |
+
|
| 788 |
+
Returns the current uncompressed line number. If C<EXPR> is present it has
|
| 789 |
+
the effect of setting the line number. Note that setting the line number
|
| 790 |
+
does not change the current position within the file/buffer being read.
|
| 791 |
+
|
| 792 |
+
The contents of C<$/> are used to determine what constitutes a line
|
| 793 |
+
terminator.
|
| 794 |
+
|
| 795 |
+
=head2 fileno
|
| 796 |
+
|
| 797 |
+
$z->fileno()
|
| 798 |
+
fileno($z)
|
| 799 |
+
|
| 800 |
+
If the C<$z> object is associated with a file or a filehandle, C<fileno>
|
| 801 |
+
will return the underlying file descriptor. Once the C<close> method is
|
| 802 |
+
called C<fileno> will return C<undef>.
|
| 803 |
+
|
| 804 |
+
If the C<$z> object is associated with a buffer, this method will return
|
| 805 |
+
C<undef>.
|
| 806 |
+
|
| 807 |
+
=head2 close
|
| 808 |
+
|
| 809 |
+
$z->close() ;
|
| 810 |
+
close $z ;
|
| 811 |
+
|
| 812 |
+
Closes the output file/buffer.
|
| 813 |
+
|
| 814 |
+
For most versions of Perl this method will be automatically invoked if
|
| 815 |
+
the IO::Uncompress::Bunzip2 object is destroyed (either explicitly or by the
|
| 816 |
+
variable with the reference to the object going out of scope). The
|
| 817 |
+
exceptions are Perl versions 5.005 through 5.00504 and 5.8.0. In
|
| 818 |
+
these cases, the C<close> method will be called automatically, but
|
| 819 |
+
not until global destruction of all live objects when the program is
|
| 820 |
+
terminating.
|
| 821 |
+
|
| 822 |
+
Therefore, if you want your scripts to be able to run on all versions
|
| 823 |
+
of Perl, you should call C<close> explicitly and not rely on automatic
|
| 824 |
+
closing.
|
| 825 |
+
|
| 826 |
+
Returns true on success, otherwise 0.
|
| 827 |
+
|
| 828 |
+
If the C<AutoClose> option has been enabled when the IO::Uncompress::Bunzip2
|
| 829 |
+
object was created, and the object is associated with a file, the
|
| 830 |
+
underlying file will also be closed.
|
| 831 |
+
|
| 832 |
+
=head2 nextStream
|
| 833 |
+
|
| 834 |
+
Usage is
|
| 835 |
+
|
| 836 |
+
my $status = $z->nextStream();
|
| 837 |
+
|
| 838 |
+
Skips to the next compressed data stream in the input file/buffer. If a new
|
| 839 |
+
compressed data stream is found, the eof marker will be cleared and C<$.>
|
| 840 |
+
will be reset to 0.
|
| 841 |
+
|
| 842 |
+
Returns 1 if a new stream was found, 0 if none was found, and -1 if an
|
| 843 |
+
error was encountered.
|
| 844 |
+
|
| 845 |
+
=head2 trailingData
|
| 846 |
+
|
| 847 |
+
Usage is
|
| 848 |
+
|
| 849 |
+
my $data = $z->trailingData();
|
| 850 |
+
|
| 851 |
+
Returns the data, if any, that is present immediately after the compressed
|
| 852 |
+
data stream once uncompression is complete. It only makes sense to call
|
| 853 |
+
this method once the end of the compressed data stream has been
|
| 854 |
+
encountered.
|
| 855 |
+
|
| 856 |
+
This option can be used when there is useful information immediately
|
| 857 |
+
following the compressed data stream, and you don't know the length of the
|
| 858 |
+
compressed data stream.
|
| 859 |
+
|
| 860 |
+
If the input is a buffer, C<trailingData> will return everything from the
|
| 861 |
+
end of the compressed data stream to the end of the buffer.
|
| 862 |
+
|
| 863 |
+
If the input is a filehandle, C<trailingData> will return the data that is
|
| 864 |
+
left in the filehandle input buffer once the end of the compressed data
|
| 865 |
+
stream has been reached. You can then use the filehandle to read the rest
|
| 866 |
+
of the input file.
|
| 867 |
+
|
| 868 |
+
Don't bother using C<trailingData> if the input is a filename.
|
| 869 |
+
|
| 870 |
+
If you know the length of the compressed data stream before you start
|
| 871 |
+
uncompressing, you can avoid having to use C<trailingData> by setting the
|
| 872 |
+
C<InputLength> option in the constructor.
|
| 873 |
+
|
| 874 |
+
=head1 Importing
|
| 875 |
+
|
| 876 |
+
No symbolic constants are required by IO::Uncompress::Bunzip2 at present.
|
| 877 |
+
|
| 878 |
+
=over 5
|
| 879 |
+
|
| 880 |
+
=item :all
|
| 881 |
+
|
| 882 |
+
Imports C<bunzip2> and C<$Bunzip2Error>.
|
| 883 |
+
Same as doing this
|
| 884 |
+
|
| 885 |
+
use IO::Uncompress::Bunzip2 qw(bunzip2 $Bunzip2Error) ;
|
| 886 |
+
|
| 887 |
+
=back
|
| 888 |
+
|
| 889 |
+
=head1 EXAMPLES
|
| 890 |
+
|
| 891 |
+
=head2 Working with Net::FTP
|
| 892 |
+
|
| 893 |
+
See L<IO::Compress::FAQ|IO::Compress::FAQ/"Compressed files and Net::FTP">
|
| 894 |
+
|
| 895 |
+
=head1 SUPPORT
|
| 896 |
+
|
| 897 |
+
General feedback/questions/bug reports should be sent to
|
| 898 |
+
L<https://github.com/pmqs/IO-Compress/issues> (preferred) or
|
| 899 |
+
L<https://rt.cpan.org/Public/Dist/Display.html?Name=IO-Compress>.
|
| 900 |
+
|
| 901 |
+
=head1 SEE ALSO
|
| 902 |
+
|
| 903 |
+
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::Compress::Lzma>, L<IO::Uncompress::UnLzma>, L<IO::Compress::Xz>, L<IO::Uncompress::UnXz>, L<IO::Compress::Lzip>, L<IO::Uncompress::UnLzip>, L<IO::Compress::Lzop>, L<IO::Uncompress::UnLzop>, L<IO::Compress::Lzf>, L<IO::Uncompress::UnLzf>, L<IO::Compress::Zstd>, L<IO::Uncompress::UnZstd>, L<IO::Uncompress::AnyInflate>, L<IO::Uncompress::AnyUncompress>
|
| 904 |
+
|
| 905 |
+
L<IO::Compress::FAQ|IO::Compress::FAQ>
|
| 906 |
+
|
| 907 |
+
L<File::GlobMapper|File::GlobMapper>, L<Archive::Zip|Archive::Zip>,
|
| 908 |
+
L<Archive::Tar|Archive::Tar>,
|
| 909 |
+
L<IO::Zlib|IO::Zlib>
|
| 910 |
+
|
| 911 |
+
The primary site for the bzip2 program is L<https://sourceware.org/bzip2/>.
|
| 912 |
+
|
| 913 |
+
See the module L<Compress::Bzip2|Compress::Bzip2>
|
| 914 |
+
|
| 915 |
+
=head1 AUTHOR
|
| 916 |
+
|
| 917 |
+
This module was written by Paul Marquess, C<pmqs@cpan.org>.
|
| 918 |
+
|
| 919 |
+
=head1 MODIFICATION HISTORY
|
| 920 |
+
|
| 921 |
+
See the Changes file.
|
| 922 |
+
|
| 923 |
+
=head1 COPYRIGHT AND LICENSE
|
| 924 |
+
|
| 925 |
+
Copyright (c) 2005-2024 Paul Marquess. All rights reserved.
|
| 926 |
+
|
| 927 |
+
This program is free software; you can redistribute it and/or
|
| 928 |
+
modify it under the same terms as Perl itself.
|
micromamba_root/DLLs/_ctypes.pyd
ADDED
|
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|
|
|
|
|
|
|
|
|
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|
| 1 |
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| 2 |
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|
| 3 |
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|
micromamba_root/DLLs/_ctypes_test.pyd
ADDED
|
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|
|
|
|
|
|
|
|
|
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|
| 1 |
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version https://git-lfs.github.com/spec/v1
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| 2 |
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|
micromamba_root/DLLs/_decimal.pyd
ADDED
|
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|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
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version https://git-lfs.github.com/spec/v1
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|
micromamba_root/DLLs/_sqlite3.pyd
ADDED
|
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|
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|
micromamba_root/DLLs/_ssl.pyd
ADDED
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|
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|
micromamba_root/DLLs/_testcapi.pyd
ADDED
|
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|
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|
|
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|
| 1 |
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micromamba_root/DLLs/_testlimitedcapi.pyd
ADDED
|
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|
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|
micromamba_root/DLLs/unicodedata.pyd
ADDED
|
@@ -0,0 +1,3 @@
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|
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|
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|
|
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|
| 1 |
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version https://git-lfs.github.com/spec/v1
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|
micromamba_root/Scripts/cppcheck-htmlreport.exe
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|
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|
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micromamba_root/Scripts/ruff.exe
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|
| 1 |
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micromamba_root/libs/python3.lib
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version https://git-lfs.github.com/spec/v1
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|
micromamba_root/libs/python314.lib
ADDED
|
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|
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|
|
|
|
|
|
|
|
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|
| 1 |
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version https://git-lfs.github.com/spec/v1
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1.conda
ADDED
|
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|
| 1 |
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|
@@ -0,0 +1,3 @@
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|
|
|
|
|
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|
| 1 |
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version https://git-lfs.github.com/spec/v1
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| 3 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/af.dat
ADDED
|
@@ -0,0 +1,3 @@
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|
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|
|
|
|
|
|
|
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|
| 1 |
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version https://git-lfs.github.com/spec/v1
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| 2 |
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| 3 |
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|
micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/ak.dat
ADDED
|
@@ -0,0 +1,3 @@
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|
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|
|
|
|
|
|
|
|
|
|
| 1 |
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version https://git-lfs.github.com/spec/v1
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/am.dat
ADDED
|
@@ -0,0 +1,3 @@
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|
|
|
|
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|
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|
| 1 |
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ADDED
|
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/as.dat
ADDED
|
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| 1 |
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version https://git-lfs.github.com/spec/v1
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/ast.dat
ADDED
|
@@ -0,0 +1,3 @@
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|
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|
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|
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| 1 |
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version https://git-lfs.github.com/spec/v1
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ADDED
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|
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| 1 |
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version https://git-lfs.github.com/spec/v1
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/bal_Latn.dat
ADDED
|
@@ -0,0 +1,3 @@
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|
|
|
|
|
|
|
|
|
|
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|
| 1 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/be.dat
ADDED
|
@@ -0,0 +1,3 @@
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|
|
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|
|
|
|
|
|
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| 1 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/be_TARASK.dat
ADDED
|
@@ -0,0 +1,3 @@
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|
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|
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|
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| 1 |
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/bew.dat
ADDED
|
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
|
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|
|
| 1 |
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version https://git-lfs.github.com/spec/v1
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/bg.dat
ADDED
|
@@ -0,0 +1,3 @@
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|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
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version https://git-lfs.github.com/spec/v1
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/blo.dat
ADDED
|
@@ -0,0 +1,3 @@
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|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
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version https://git-lfs.github.com/spec/v1
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/bn.dat
ADDED
|
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
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version https://git-lfs.github.com/spec/v1
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micromamba_root/pkgs/https/conda.anaconda.org/conda-forge/noarch/babel-2.18.0-pyhcf101f3_1/site-packages/babel/locale-data/br.dat
ADDED
|
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
version https://git-lfs.github.com/spec/v1
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