ClickHouse/src/Compression/CompressionCodecNone.h

#pragma once

#include <IO/WriteBuffer.h>
#include <Compression/ICompressionCodec.h>
#include <IO/BufferWithOwnMemory.h>
#include <Parsers/StringRange.h>

namespace DB
{

class CompressionCodecNone : public ICompressionCodec
{
public:
    CompressionCodecNone();

    uint8_t getMethodByte() const override;

    void updateHash(SipHash & hash) const override;

protected:

    UInt32 doCompressData(const char * source, UInt32 source_size, char * dest) const override;

    void doDecompressData(const char * source, UInt32 source_size, char * dest, UInt32 uncompressed_size) const override;

    bool isCompression() const override { return false; }
    bool isGenericCompression() const override { return false; }
    bool isNone() const override { return true; }
};

}