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38 lines
670 B
C++
38 lines
670 B
C++
#pragma once
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#include <IO/BufferWithOwnMemory.h>
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#include <IO/CompressionMethod.h>
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#include <IO/ReadBuffer.h>
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#include <zstd.h>
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namespace DB
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{
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namespace ErrorCodes
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{
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}
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class ZstdInflatingReadBuffer : public BufferWithOwnMemory<ReadBuffer>
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{
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public:
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ZstdInflatingReadBuffer(
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std::unique_ptr<ReadBuffer> in_,
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size_t buf_size = DBMS_DEFAULT_BUFFER_SIZE,
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char * existing_memory = nullptr,
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size_t alignment = 0);
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~ZstdInflatingReadBuffer() override;
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private:
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bool nextImpl() override;
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std::unique_ptr<ReadBuffer> in;
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ZSTD_DCtx * dctx;
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ZSTD_inBuffer input;
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ZSTD_outBuffer output;
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bool eof = false;
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};
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}
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