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// 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_BROTLI_COMPRESSOR_H_
#define _BSDIFF_BROTLI_COMPRESSOR_H_
#include <stdint.h>
#include <vector>
#include <brotli/encode.h>
#include "bsdiff/compressor_buffer.h"
#include "bsdiff/compressor_interface.h"
#include "bsdiff/constants.h"
namespace bsdiff {
class BrotliCompressor : public CompressorInterface {
public:
// Create a brotli compressor with the compression quality |quality|. As the
// value of quality increases, the compression becomes better but slower.
// The valid range of quality is between BROTLI_MIN_QUALITY and
// BROTLI_MAX_QUALITY; and the caller is responsible for the validity check.
explicit BrotliCompressor(int quality);
~BrotliCompressor() override;
// CompressorInterface overrides.
bool Write(const uint8_t* buf, size_t size) override;
bool Finish() override;
const std::vector<uint8_t>& GetCompressedData() override;
CompressorType Type() const override { return CompressorType::kBrotli; }
private:
BrotliEncoderState* brotli_encoder_state_;
CompressorBuffer comp_buffer_;
};
} // namespace bsdiff
#endif // _BSDIFF_BROTLI_COMPRESSOR_H_
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