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