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24 lines
557 B
24 lines
557 B
#pragma once
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#include <zstd.h>
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#include <string>
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#include <vector>
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#include <capnp/common.h>
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class ZstdFileWriter {
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public:
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ZstdFileWriter(const std::string &filename, int compression_level);
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~ZstdFileWriter();
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void write(void* data, size_t size);
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inline void write(kj::ArrayPtr<capnp::byte> array) { write(array.begin(), array.size()); }
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private:
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void flushCache(bool last_chunk);
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size_t input_cache_capacity_ = 0;
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std::vector<char> input_cache_;
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std::vector<char> output_buffer_;
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ZSTD_CStream *cstream_;
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FILE* file_ = nullptr;
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};
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