ext/IO/Compress/Zlib/lib/IO/Compress/Zip/Constants.pm

   1 package IO::Compress::Zip::Constants;
   2
   3 use strict ;
   4 use warnings;
   5
   6 require Exporter;
   7
   8 our ($VERSION, @ISA, @EXPORT, %ZIP_CM_MIN_VERSIONS);
   9
  10 $VERSION = '2.003';
  11
  12 @ISA = qw(Exporter);
  13
  14 @EXPORT= qw(
  15
  16     ZIP_CM_STORE
  17     ZIP_CM_DEFLATE
  18     ZIP_CM_BZIP2
  19
  20     ZIP_LOCAL_HDR_SIG
  21     ZIP_DATA_HDR_SIG
  22     ZIP_CENTRAL_HDR_SIG
  23     ZIP_END_CENTRAL_HDR_SIG
  24     ZIP64_END_CENTRAL_REC_HDR_SIG
  25     ZIP64_END_CENTRAL_LOC_HDR_SIG
  26     ZIP64_ARCHIVE_EXTRA_SIG
  27     ZIP64_DIGITAL_SIGNATURE_SIG
  28
  29     ZIP_GP_FLAG_ENCRYPTED_MASK
  30     ZIP_GP_FLAG_STREAMING_MASK
  31     ZIP_GP_FLAG_PATCHED_MASK
  32     ZIP_GP_FLAG_STRONG_ENCRYPTED_MASK
  33
  34     ZIP_EXTRA_ID_ZIP64
  35     ZIP_EXTRA_ID_EXT_TIMESTAMP
  36     ZIP_EXTRA_ID_INFO_ZIP_UNIX
  37
  38     ZIP_IFA_TEXT_MASK
  39
  40     %ZIP_CM_MIN_VERSIONS
  41     ZIP64_MIN_VERSION
  42
  43     );
  44
  45 # Compression types supported
  46 use constant ZIP_CM_STORE                      => 0 ;
  47 use constant ZIP_CM_DEFLATE                    => 8 ;
  48 use constant ZIP_CM_BZIP2                      => 12 ;
  49
  50 # General Purpose Flag
  51 use constant ZIP_GP_FLAG_ENCRYPTED_MASK        => 1 ;
  52 use constant ZIP_GP_FLAG_STREAMING_MASK        => 8 ;
  53 use constant ZIP_GP_FLAG_PATCHED_MASK          => 32 ;
  54 use constant ZIP_GP_FLAG_STRONG_ENCRYPTED_MASK => 64 ;
  55
  56 # Internal File Attributes
  57 use constant ZIP_IFA_TEXT_MASK                 => 1;
  58
  59 # Signatures for each of the headers
  60 use constant ZIP_LOCAL_HDR_SIG                 => 0x04034b50;
  61 use constant ZIP_DATA_HDR_SIG                  => 0x08074b50;
  62 use constant ZIP_CENTRAL_HDR_SIG               => 0x02014b50;
  63 use constant ZIP_END_CENTRAL_HDR_SIG           => 0x06054b50;
  64 use constant ZIP64_END_CENTRAL_REC_HDR_SIG     => 0x06064b50;
  65 use constant ZIP64_END_CENTRAL_LOC_HDR_SIG     => 0x07064b50;
  66 use constant ZIP64_ARCHIVE_EXTRA_SIG           => 0x08064b50;
  67 use constant ZIP64_DIGITAL_SIGNATURE_SIG       => 0x05054b50;
  68
  69 # Extra Field ID's
  70 use constant ZIP_EXTRA_ID_ZIP64                => pack "v", 1;
  71 use constant ZIP_EXTRA_ID_EXT_TIMESTAMP        => "UT";
  72 use constant ZIP_EXTRA_ID_INFO_ZIP_UNIX        => "Ux";
  73
  74 use constant ZIP64_MIN_VERSION                 => 45;
  75
  76 %ZIP_CM_MIN_VERSIONS = (
  77             ZIP_CM_STORE()                      => 20,
  78             ZIP_CM_DEFLATE()                    => 20,
  79             ZIP_CM_BZIP2()                      => 46,
  80             );
  81
  82
  83 1;
  84
  85 __END__
  86