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