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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <memory>
#include "SerializedData.h"
class CompressionEngine {
public:
static CompressionEngine& GetInstance();
virtual ~CompressionEngine(){};
virtual bool Compress(SerializedData& in, size_t data_length, SerializedData& out) = 0;
// Decompress the contents of `in` into `out`. `out.size()` must be set to the decompressed
// size of the contents.
virtual bool Decompress(SerializedData& in, SerializedData& out) = 0;
};
class ZlibCompressionEngine : public CompressionEngine {
public:
bool Compress(SerializedData& in, size_t data_length, SerializedData& out) override;
bool Decompress(SerializedData& in, SerializedData& out) override;
};
class ZstdCompressionEngine : public CompressionEngine {
public:
bool Compress(SerializedData& in, size_t data_length, SerializedData& out) override;
bool Decompress(SerializedData& in, SerializedData& out) override;
};
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