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