90 lines
2.4 KiB
PHP
90 lines
2.4 KiB
PHP
<?php
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declare(strict_types=1);
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namespace ZipStream;
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/**
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* @internal
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*/
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abstract class GeneralPurposeBitFlag
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{
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/**
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* If set, indicates that the file is encrypted.
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*/
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public const ENCRYPTED = 1 << 0;
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/**
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* (For Methods 8 and 9 - Deflating)
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* Normal (-en) compression option was used.
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*/
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public const DEFLATE_COMPRESSION_NORMAL = 0 << 1;
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/**
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* (For Methods 8 and 9 - Deflating)
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* Maximum (-exx/-ex) compression option was used.
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*/
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public const DEFLATE_COMPRESSION_MAXIMUM = 1 << 1;
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/**
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* (For Methods 8 and 9 - Deflating)
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* Fast (-ef) compression option was used.
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*/
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public const DEFLATE_COMPRESSION_FAST = 10 << 1;
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/**
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* (For Methods 8 and 9 - Deflating)
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* Super Fast (-es) compression option was used.
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*/
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public const DEFLATE_COMPRESSION_SUPERFAST = 11 << 1;
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/**
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* If the compression method used was type 14,
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* LZMA, then this bit, if set, indicates
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* an end-of-stream (EOS) marker is used to
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* mark the end of the compressed data stream.
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* If clear, then an EOS marker is not present
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* and the compressed data size must be known
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* to extract.
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*/
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public const LZMA_EOS = 1 << 1;
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/**
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* If this bit is set, the fields crc-32, compressed
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* size and uncompressed size are set to zero in the
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* local header. The correct values are put in the
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* data descriptor immediately following the compressed
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* data.
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*/
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public const ZERO_HEADER = 1 << 3;
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/**
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* If this bit is set, this indicates that the file is
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* compressed patched data.
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*/
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public const COMPRESSED_PATCHED_DATA = 1 << 5;
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/**
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* Strong encryption. If this bit is set, you MUST
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* set the version needed to extract value to at least
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* 50 and you MUST also set bit 0. If AES encryption
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* is used, the version needed to extract value MUST
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* be at least 51.
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*/
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public const STRONG_ENCRYPTION = 1 << 6;
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/**
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* Language encoding flag (EFS). If this bit is set,
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* the filename and comment fields for this file
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* MUST be encoded using UTF-8.
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*/
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public const EFS = 1 << 11;
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/**
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* Set when encrypting the Central Directory to indicate
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* selected data values in the Local Header are masked to
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* hide their actual values.
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*/
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public const ENCRYPT_CENTRAL_DIRECTORY = 1 << 13;
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}
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