ClickHouse/src/IO/Bzip2ReadBuffer.h

#pragma once

#include <IO/ReadBuffer.h>
#include <IO/BufferWithOwnMemory.h>


namespace DB
{

class Bzip2ReadBuffer : public BufferWithOwnMemory<ReadBuffer>
{
public:
    Bzip2ReadBuffer(
            std::unique_ptr<ReadBuffer> in_,
            size_t buf_size = DBMS_DEFAULT_BUFFER_SIZE,
            char * existing_memory = nullptr,
            size_t alignment = 0);

    ~Bzip2ReadBuffer() override;

private:
    bool nextImpl() override;

    std::unique_ptr<ReadBuffer> in;

    class Bzip2StateWrapper;
    std::unique_ptr<Bzip2StateWrapper> bz;

    bool eof_flag;
};

}