| /* |
| * Copyright (C) 2018 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. |
| * |
| * Header file of an in-memory representation of DEX files. |
| */ |
| |
| #ifndef ART_DEXLAYOUT_DEX_CONTAINER_H_ |
| #define ART_DEXLAYOUT_DEX_CONTAINER_H_ |
| |
| #include <vector> |
| |
| namespace art { |
| |
| // Dex container holds the artifacts produced by dexlayout and contains up to two sections: a main |
| // section and a data section. |
| // This container may also hold metadata used for multi dex deduplication in the future. |
| class DexContainer { |
| public: |
| virtual ~DexContainer() {} |
| |
| class Section { |
| public: |
| virtual ~Section() {} |
| |
| // Returns the start of the memory region. |
| virtual uint8_t* Begin() = 0; |
| |
| // Size in bytes. |
| virtual size_t Size() const = 0; |
| |
| // Resize the backing storage. |
| virtual void Resize(size_t size) = 0; |
| |
| // Clear the container. |
| virtual void Clear() = 0; |
| |
| // Returns the end of the memory region. |
| uint8_t* End() { |
| return Begin() + Size(); |
| } |
| }; |
| |
| // Vector backed section. |
| class VectorSection : public Section { |
| public: |
| virtual ~VectorSection() {} |
| |
| uint8_t* Begin() OVERRIDE { |
| return &data_[0]; |
| } |
| |
| size_t Size() const OVERRIDE { |
| return data_.size(); |
| } |
| |
| void Resize(size_t size) OVERRIDE { |
| data_.resize(size, 0u); |
| } |
| |
| void Clear() OVERRIDE { |
| data_.clear(); |
| } |
| |
| private: |
| std::vector<uint8_t> data_; |
| }; |
| |
| virtual Section* GetMainSection() = 0; |
| virtual Section* GetDataSection() = 0; |
| virtual bool IsCompactDexContainer() const = 0; |
| }; |
| |
| } // namespace art |
| |
| #endif // ART_DEXLAYOUT_DEX_CONTAINER_H_ |