1 // Copyright 2017 The Chromium OS Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef _BSDIFF_BZ2_DECOMPRESSOR_H_ 6 #define _BSDIFF_BZ2_DECOMPRESSOR_H_ 7 8 #include <bzlib.h> 9 10 #include "bsdiff/decompressor_interface.h" 11 12 namespace bsdiff { 13 14 class BZ2Decompressor : public DecompressorInterface { 15 public: 16 BZ2Decompressor() = default; 17 ~BZ2Decompressor(); 18 19 bool SetInputData(const uint8_t* input_data, size_t size) override; 20 21 bool Read(uint8_t* output_data, size_t bytes_to_output) override; 22 23 bool Close() override; 24 25 private: 26 // The low-level bzip2 stream. 27 bz_stream stream_; 28 29 // Whether the stream_ is initialized. 30 bool stream_initialized_{false}; 31 }; 32 33 } // namespace bsdiff 34 35 #endif 36