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_COMPRESSOR_INTERFACE_H_ 6 #define _BSDIFF_COMPRESSOR_INTERFACE_H_ 7 8 #include <stddef.h> 9 #include <stdint.h> 10 11 #include <memory> 12 #include <vector> 13 14 #include "bsdiff/constants.h" 15 16 namespace bsdiff { 17 18 class CompressorInterface { 19 public: 20 virtual ~CompressorInterface() = default; 21 22 // Compress and write |size| bytes of input data starting from |buf|. 23 virtual bool Write(const uint8_t* buf, size_t size) = 0; 24 25 // Finish the compression step. 26 virtual bool Finish() = 0; 27 28 // Return the compressed data. This method must be only called after Finish(). 29 virtual const std::vector<uint8_t>& GetCompressedData() = 0; 30 31 // Return the type of the current compressor. 32 virtual CompressorType Type() = 0; 33 34 protected: 35 CompressorInterface() = default; 36 }; 37 38 } // namespace bsdiff 39 40 #endif // _BSDIFF_COMPRESSOR_INTERFACE_H_ 41
