/* * Copyright (C) 2024 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 #include namespace simpleperf { class Compressor { public: virtual ~Compressor(); virtual bool AddInputData(const char* data, size_t size) = 0; virtual bool FlushOutputData() = 0; virtual std::string_view GetOutputData() = 0; virtual void ConsumeOutputData(size_t size) = 0; uint64_t TotalInputSize() const { return total_input_size_; } uint64_t TotalOutputSize() const { return total_output_size_; } protected: uint64_t total_input_size_ = 0; uint64_t total_output_size_ = 0; }; class Decompressor { public: virtual ~Decompressor(); virtual bool AddInputData(const char* data, size_t size) = 0; virtual std::string_view GetOutputData() = 0; virtual void ConsumeOutputData(size_t size) = 0; bool HasOutputData() { return !GetOutputData().empty(); } }; std::unique_ptr CreateZstdCompressor(size_t compression_level = 3); std::unique_ptr CreateZstdDecompressor(); bool ZstdCompress(const char* input_data, size_t input_size, std::string& output_data); bool ZstdDecompress(const char* input_data, size_t input_size, std::string& output_data); } // namespace simpleperf