compression

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v0.0.17 Latest Latest Go to latest Published: Apr 14, 2024 License: Apache-2.0 Imports: 10 Imported by: 0

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Documentation ¶

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Codec ¶

type Codec interface {
	// Compress compresses given block.
	Compress(block []byte) ([]byte, error)
	// Decompress decompresses given block.
	Decompress(block []byte) ([]byte, error)
	// GetID returns codec identifier.
	GetID() CodecID
}

Codec is a generic interface for compression/decompression.

func NewCodec ¶

func NewCodec(id CodecID) Codec

NewCodec creates codec by id.

type CodecBrotli ¶

type CodecBrotli int

func (CodecBrotli) Compress ¶

func (c CodecBrotli) Compress(block []byte) ([]byte, error)

func (CodecBrotli) Decompress ¶

func (c CodecBrotli) Decompress(block []byte) ([]byte, error)

func (CodecBrotli) GetID ¶

func (c CodecBrotli) GetID() CodecID

type CodecID ¶

type CodecID int8

CodecID is a type that holds all available codec types.

const (
	CodecIDNone CodecID = 0

	CodecIDSnappy CodecID = 1

	CodecIDLz4                CodecID = 4
	CodecIDLz4HighCompression CodecID = 5

	CodecIDBrotli1  CodecID = 11
	CodecIDBrotli2  CodecID = 12
	CodecIDBrotli3  CodecID = 8
	CodecIDBrotli4  CodecID = 13
	CodecIDBrotli5  CodecID = 9
	CodecIDBrotli6  CodecID = 14
	CodecIDBrotli7  CodecID = 15
	CodecIDBrotli8  CodecID = 10
	CodecIDBrotli9  CodecID = 16
	CodecIDBrotli10 CodecID = 17
	CodecIDBrotli11 CodecID = 18

	CodecIDZlib1 CodecID = 19
	CodecIDZlib2 CodecID = 20
	CodecIDZlib3 CodecID = 21
	CodecIDZlib4 CodecID = 22
	CodecIDZlib5 CodecID = 23
	CodecIDZlib6 CodecID = 2
	CodecIDZlib7 CodecID = 24
	CodecIDZlib8 CodecID = 25
	CodecIDZlib9 CodecID = 3

	CodecIDZstd1 CodecID = 26
	CodecIDZstd3 CodecID = 28
	CodecIDZstd7 CodecID = 32
)

func (CodecID) String ¶

func (i CodecID) String() string

type CodecLz4 ¶

type CodecLz4 struct{}

func (*CodecLz4) Compress ¶

func (c *CodecLz4) Compress(block []byte) ([]byte, error)

func (*CodecLz4) Decompress ¶

func (c *CodecLz4) Decompress(block []byte) ([]byte, error)

func (*CodecLz4) GetID ¶

func (c *CodecLz4) GetID() CodecID

type CodecLz4HighCompression ¶

type CodecLz4HighCompression struct{}

func (*CodecLz4HighCompression) Compress ¶

func (c *CodecLz4HighCompression) Compress(block []byte) ([]byte, error)

func (*CodecLz4HighCompression) Decompress ¶

func (c *CodecLz4HighCompression) Decompress(block []byte) ([]byte, error)

func (*CodecLz4HighCompression) GetID ¶

func (c *CodecLz4HighCompression) GetID() CodecID

type CodecNone ¶

type CodecNone struct{}

CodecNone is a special codec that does not any compression.

func (CodecNone) Compress ¶

func (c CodecNone) Compress(block []byte) ([]byte, error)

Compress returns block as is.

func (CodecNone) Decompress ¶

func (c CodecNone) Decompress(block []byte) ([]byte, error)

Decompress returns block as is.

func (CodecNone) GetID ¶

func (c CodecNone) GetID() CodecID

type CodecSnappy ¶

type CodecSnappy struct{}

func (*CodecSnappy) Compress ¶

func (c *CodecSnappy) Compress(block []byte) ([]byte, error)

func (*CodecSnappy) Decompress ¶

func (c *CodecSnappy) Decompress(block []byte) ([]byte, error)

func (*CodecSnappy) GetID ¶

func (c *CodecSnappy) GetID() CodecID

type CodecZlib ¶

type CodecZlib int

func (CodecZlib) Compress ¶

func (c CodecZlib) Compress(block []byte) ([]byte, error)

func (CodecZlib) Decompress ¶

func (c CodecZlib) Decompress(block []byte) ([]byte, error)

func (CodecZlib) GetID ¶

func (c CodecZlib) GetID() CodecID

type CodecZstd ¶

type CodecZstd int

func (CodecZstd) Compress ¶

func (c CodecZstd) Compress(block []byte) ([]byte, error)

func (CodecZstd) Decompress ¶

func (c CodecZstd) Decompress(block []byte) ([]byte, error)

func (CodecZstd) GetID ¶

func (c CodecZstd) GetID() CodecID

Source Files ¶

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