text: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  
  #pragma once
  
  #include <cstdint>
  #include <memory>
  
  #include "arrow/status.h"
  #include "arrow/util/compression.h"
  #include "arrow/util/visibility.h"
  
  namespace arrow {
  namespace util {
  
  // Lz4 codec.
  class ARROW_EXPORT Lz4Codec : public Codec {
   public:
    Result<int64_t> Decompress(int64_t input_len, const uint8_t* input,
                               int64_t output_buffer_len, uint8_t* output_buffer) override;
  
    Result<int64_t> Compress(int64_t input_len, const uint8_t* input,
                             int64_t output_buffer_len, uint8_t* output_buffer) override;
  
    int64_t MaxCompressedLen(int64_t input_len, const uint8_t* input) override;
  
    Result<std::shared_ptr<Compressor>> MakeCompressor() override;
  
    Result<std::shared_ptr<Decompressor>> MakeDecompressor() override;
  
    const char* name() const override { return "lz4"; }
  };
  
  }  // namespace util
  }  // namespace arrow
  