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39 lines
1.2 KiB
39 lines
1.2 KiB
// 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_DECOMPRESSOR_INTERFACE_H_
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#define _BSDIFF_DECOMPRESSOR_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 "bsdiff/constants.h"
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namespace bsdiff {
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class DecompressorInterface {
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public:
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virtual ~DecompressorInterface() {}
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// Set the buffer starting from |input_data| with length |size| as the input
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// compressed stream. This buffer is owned by the caller and should stay
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// valid until the Close() function is called.
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virtual bool SetInputData(const uint8_t* input_data, size_t size) = 0;
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// Decompress the stream and output |bytes_to_output| bytes of data to
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// |output_data|. Returns false if not all bytes_to_output can be
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// decompressed from the stream due to a decompressor error or EOF.
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virtual bool Read(uint8_t* output_data, size_t bytes_to_output) = 0;
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// Close the decompression stream.
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virtual bool Close() = 0;
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};
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std::unique_ptr<DecompressorInterface> CreateDecompressor(CompressorType type);
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} // namespace bsdiff
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#endif // _BSDIFF_DECOMPRESSOR_INTERFACE_H_
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