Apache Arrow (C++)
A columnar in-memory analytics layer designed to accelerate big data.
compression_zlib.h
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17 
18 #ifndef ARROW_UTIL_COMPRESSION_ZLIB_H
19 #define ARROW_UTIL_COMPRESSION_ZLIB_H
20 
21 #include <cstdint>
22 #include <memory>
23 
24 #include "arrow/status.h"
25 #include "arrow/util/compression.h"
26 #include "arrow/util/visibility.h"
27 
28 namespace arrow {
29 
30 // GZip codec.
31 class ARROW_EXPORT GZipCodec : public Codec {
32  public:
34  enum Format {
38  };
39 
40  explicit GZipCodec(Format format = GZIP);
41  virtual ~GZipCodec();
42 
43  Status Decompress(int64_t input_len, const uint8_t* input, int64_t output_len,
44  uint8_t* output_buffer) override;
45 
46  Status Compress(int64_t input_len, const uint8_t* input, int64_t output_buffer_len,
47  uint8_t* output_buffer, int64_t* output_length) override;
48 
49  int64_t MaxCompressedLen(int64_t input_len, const uint8_t* input) override;
50 
51  const char* name() const override;
52 
53  private:
54  // The gzip compressor is stateful
55  class GZipCodecImpl;
56  std::unique_ptr<GZipCodecImpl> impl_;
57 };
58 
59 } // namespace arrow
60 
61 #endif // ARROW_UTIL_COMPRESSION_ZLIB_H
Definition: compression_zlib.h:36
Definition: compression_zlib.h:31
Definition: status.h:106
Format
Compression formats supported by the zlib library.
Definition: compression_zlib.h:34
Definition: compression_zlib.h:35
Definition: compression_zlib.h:37
Top-level namespace for Apache Arrow C++ API.
Definition: allocator.h:29
Definition: compression.h:33