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56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
#pragma once
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#include <IO/BufferWithOwnMemory.h>
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#include <IO/ReadBuffer.h>
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#if !defined(ARCADIA_BUILD)
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#include <lzma.h> // Y_IGNORE
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#endif
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namespace DB
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{
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#if !defined(ARCADIA_BUILD)
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class LZMAInflatingReadBuffer : public BufferWithOwnMemory<ReadBuffer>
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{
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public:
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LZMAInflatingReadBuffer(
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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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~LZMAInflatingReadBuffer() 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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lzma_stream lstr;
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bool eof;
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};
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#else
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namespace ErrorCodes
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{
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extern const int NOT_IMPLEMENTED;
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}
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class LZMAInflatingReadBuffer : public BufferWithOwnMemory<ReadBuffer>
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{
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public:
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LZMAInflatingReadBuffer(
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std::unique_ptr<ReadBuffer> in_ [[maybe_unused]],
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size_t buf_size [[maybe_unused]] = DBMS_DEFAULT_BUFFER_SIZE,
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char * existing_memory [[maybe_unused]] = nullptr,
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size_t alignment [[maybe_unused]] = 0)
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{
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throw Exception("LZMADeflatingWriteBuffer is not implemented for arcadia build", ErrorCodes::NOT_IMPLEMENTED);
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}
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};
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#endif
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}
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