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　晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 . Prv8 Shell

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Directory : /usr/share/perl5/IO/Compress/Zip/

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Current File : //usr/share/perl5/IO/Compress/Zip/Constants.pm

package IO::Compress::Zip::Constants;

use strict ;
use warnings;

require Exporter;

our ($VERSION, @ISA, @EXPORT, %ZIP_CM_MIN_VERSIONS);

$VERSION = '2.081';

@ISA = qw(Exporter);

@EXPORT= qw(

    ZIP_CM_STORE
    ZIP_CM_DEFLATE
    ZIP_CM_BZIP2
    ZIP_CM_LZMA
    ZIP_CM_PPMD
    
    ZIP_LOCAL_HDR_SIG
    ZIP_DATA_HDR_SIG
    ZIP_CENTRAL_HDR_SIG
    ZIP_END_CENTRAL_HDR_SIG
    ZIP64_END_CENTRAL_REC_HDR_SIG
    ZIP64_END_CENTRAL_LOC_HDR_SIG
    ZIP64_ARCHIVE_EXTRA_SIG
    ZIP64_DIGITAL_SIGNATURE_SIG

    ZIP_GP_FLAG_ENCRYPTED_MASK
    ZIP_GP_FLAG_STREAMING_MASK
    ZIP_GP_FLAG_PATCHED_MASK
    ZIP_GP_FLAG_STRONG_ENCRYPTED_MASK
    ZIP_GP_FLAG_LZMA_EOS_PRESENT
    ZIP_GP_FLAG_LANGUAGE_ENCODING

    ZIP_EXTRA_ID_ZIP64
    ZIP_EXTRA_ID_EXT_TIMESTAMP
    ZIP_EXTRA_ID_INFO_ZIP_UNIX2
    ZIP_EXTRA_ID_INFO_ZIP_UNIXN
    ZIP_EXTRA_ID_INFO_ZIP_Upath
    ZIP_EXTRA_ID_INFO_ZIP_Ucom        
    ZIP_EXTRA_ID_JAVA_EXE

    ZIP_OS_CODE_UNIX
    ZIP_OS_CODE_DEFAULT

    ZIP_IFA_TEXT_MASK

    %ZIP_CM_MIN_VERSIONS
    ZIP64_MIN_VERSION

    ZIP_A_RONLY
    ZIP_A_HIDDEN
    ZIP_A_SYSTEM
    ZIP_A_LABEL
    ZIP_A_DIR 
    ZIP_A_ARCHIVE
    );

# Compression types supported
use constant ZIP_CM_STORE                      => 0 ;
use constant ZIP_CM_DEFLATE                    => 8 ;
use constant ZIP_CM_BZIP2                      => 12 ;
use constant ZIP_CM_LZMA                       => 14 ; # Not Supported yet
use constant ZIP_CM_PPMD                       => 98 ; # Not Supported yet

# General Purpose Flag
use constant ZIP_GP_FLAG_ENCRYPTED_MASK        => (1 << 0) ;
use constant ZIP_GP_FLAG_STREAMING_MASK        => (1 << 3) ;
use constant ZIP_GP_FLAG_PATCHED_MASK          => (1 << 5) ;
use constant ZIP_GP_FLAG_STRONG_ENCRYPTED_MASK => (1 << 6) ;
use constant ZIP_GP_FLAG_LZMA_EOS_PRESENT      => (1 << 1) ;
use constant ZIP_GP_FLAG_LANGUAGE_ENCODING     => (1 << 11) ;

# Internal File Attributes
use constant ZIP_IFA_TEXT_MASK                 => 1;

# Signatures for each of the headers
use constant ZIP_LOCAL_HDR_SIG                 => 0x04034b50;
use constant ZIP_DATA_HDR_SIG                  => 0x08074b50;
use constant packed_ZIP_DATA_HDR_SIG           => pack "V", ZIP_DATA_HDR_SIG;
use constant ZIP_CENTRAL_HDR_SIG               => 0x02014b50;
use constant ZIP_END_CENTRAL_HDR_SIG           => 0x06054b50;
use constant ZIP64_END_CENTRAL_REC_HDR_SIG     => 0x06064b50;
use constant ZIP64_END_CENTRAL_LOC_HDR_SIG     => 0x07064b50;
use constant ZIP64_ARCHIVE_EXTRA_SIG           => 0x08064b50;
use constant ZIP64_DIGITAL_SIGNATURE_SIG       => 0x05054b50;

use constant ZIP_OS_CODE_UNIX                  => 3;
use constant ZIP_OS_CODE_DEFAULT               => 3;

# Extra Field ID's
use constant ZIP_EXTRA_ID_ZIP64                => pack "v", 1;
use constant ZIP_EXTRA_ID_EXT_TIMESTAMP        => "UT";
use constant ZIP_EXTRA_ID_INFO_ZIP_UNIX2       => "Ux";
use constant ZIP_EXTRA_ID_INFO_ZIP_UNIXN       => "ux";
use constant ZIP_EXTRA_ID_INFO_ZIP_Upath       => "up";
use constant ZIP_EXTRA_ID_INFO_ZIP_Ucom        => "uc";
use constant ZIP_EXTRA_ID_JAVA_EXE             => pack "v", 0xCAFE;

# DOS Attributes
use constant ZIP_A_RONLY                       => 0x01;
use constant ZIP_A_HIDDEN                      => 0x02;
use constant ZIP_A_SYSTEM                      => 0x04;
use constant ZIP_A_LABEL                       => 0x08;
use constant ZIP_A_DIR                         => 0x10;
use constant ZIP_A_ARCHIVE                     => 0x20;

use constant ZIP64_MIN_VERSION                 => 45;

%ZIP_CM_MIN_VERSIONS = (
            ZIP_CM_STORE()                     => 20,
            ZIP_CM_DEFLATE()                   => 20,
            ZIP_CM_BZIP2()                     => 46,
            ZIP_CM_LZMA()                      => 63,
            ZIP_CM_PPMD()                      => 63,
            );


1;

__END__

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