// Copyright 2017 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef _BSDIFF_COMPRESSOR_INTERFACE_H_
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#define _BSDIFF_COMPRESSOR_INTERFACE_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <memory>
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#include <vector>
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#include "bsdiff/constants.h"
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namespace bsdiff {
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class CompressorInterface {
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public:
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virtual ~CompressorInterface() = default;
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// Compress and write |size| bytes of input data starting from |buf|.
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virtual bool Write(const uint8_t* buf, size_t size) = 0;
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// Finish the compression step.
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virtual bool Finish() = 0;
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// Return the compressed data. This method must be only called after Finish().
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virtual const std::vector<uint8_t>& GetCompressedData() = 0;
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// Return the type of the current compressor.
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virtual CompressorType Type() const = 0;
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protected:
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CompressorInterface() = default;
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};
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} // namespace bsdiff
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#endif // _BSDIFF_COMPRESSOR_INTERFACE_H_
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