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 namespace util {
30 
31 // GZip codec.
32 class ARROW_EXPORT GZipCodec : public Codec {
33  public:
35  enum Format {
39  };
40 
41  explicit GZipCodec(Format format = GZIP);
42  ~GZipCodec() override;
43 
44  Status Decompress(int64_t input_len, const uint8_t* input, int64_t output_len,
45  uint8_t* output_buffer) override;
46 
47  Status Compress(int64_t input_len, const uint8_t* input, int64_t output_buffer_len,
48  uint8_t* output_buffer, int64_t* output_length) override;
49 
50  int64_t MaxCompressedLen(int64_t input_len, const uint8_t* input) override;
51 
52  const char* name() const override;
53 
54  private:
55  // The gzip compressor is stateful
56  class GZipCodecImpl;
57  std::unique_ptr<GZipCodecImpl> impl_;
58 };
59 
60 } // namespace util
61 } // namespace arrow
62 
63 #endif // ARROW_UTIL_COMPRESSION_ZLIB_H
Definition: compression_zlib.h:37
auto format(const std::locale &loc, const CharT *fmt, const Streamable &tp) -> decltype(to_stream(std::declval< std::basic_ostream< CharT > &>(), fmt, tp), std::basic_string< CharT >
Definition: date.h:4591
Definition: status.h:95
Definition: compression_zlib.h:32
Definition: compression_zlib.h:38
Top-level namespace for Apache Arrow C++ API.
Definition: adapter.h:32
Format
Compression formats supported by the zlib library.
Definition: compression_zlib.h:35
Definition: compression.h:35
Definition: compression_zlib.h:36