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      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 SRC_INCLUDE_PUFFIN_PUFFER_H_
      6 #define SRC_INCLUDE_PUFFIN_PUFFER_H_
      7 
      8 #include <memory>
      9 #include <vector>
     10 
     11 #include "puffin/common.h"
     12 #include "puffin/errors.h"
     13 #include "puffin/stream.h"
     14 
     15 namespace puffin {
     16 
     17 class BitReaderInterface;
     18 class PuffWriterInterface;
     19 class HuffmanTable;
     20 
     21 class PUFFIN_EXPORT Puffer {
     22  public:
     23   Puffer();
     24   ~Puffer();
     25 
     26   // Creates a puffed buffer from a deflate buffer. If |deflates| is not null,
     27   // it will be populated with the location of subblocks in the input data.
     28   bool PuffDeflate(BitReaderInterface* br,
     29                    PuffWriterInterface* pw,
     30                    std::vector<BitExtent>* deflates,
     31                    Error* error) const;
     32 
     33  private:
     34   std::unique_ptr<HuffmanTable> dyn_ht_;
     35   std::unique_ptr<HuffmanTable> fix_ht_;
     36 
     37   DISALLOW_COPY_AND_ASSIGN(Puffer);
     38 };
     39 
     40 }  // namespace puffin
     41 
     42 #endif  // SRC_INCLUDE_PUFFIN_PUFFER_H_
     43