// Copyright 2017 The Chromium OS Authors. All rights reserved.
|
// Use of this source code is governed by a BSD-style license that can be
|
// found in the LICENSE file.
|
|
#ifndef _BSDIFF_DECOMPRESSOR_INTERFACE_H_
|
#define _BSDIFF_DECOMPRESSOR_INTERFACE_H_
|
|
#include <stddef.h>
|
#include <stdint.h>
|
|
#include <memory>
|
|
#include "bsdiff/constants.h"
|
|
namespace bsdiff {
|
|
class DecompressorInterface {
|
public:
|
virtual ~DecompressorInterface() {}
|
|
// Set the buffer starting from |input_data| with length |size| as the input
|
// compressed stream. This buffer is owned by the caller and should stay
|
// valid until the Close() function is called.
|
virtual bool SetInputData(const uint8_t* input_data, size_t size) = 0;
|
|
// Decompress the stream and output |bytes_to_output| bytes of data to
|
// |output_data|. Returns false if not all bytes_to_output can be
|
// decompressed from the stream due to a decompressor error or EOF.
|
virtual bool Read(uint8_t* output_data, size_t bytes_to_output) = 0;
|
|
// Close the decompression stream.
|
virtual bool Close() = 0;
|
};
|
|
std::unique_ptr<DecompressorInterface> CreateDecompressor(CompressorType type);
|
|
} // namespace bsdiff
|
#endif // _BSDIFF_DECOMPRESSOR_INTERFACE_H_
|
