| /* |
| * Copyright (C) 2017 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. |
| */ |
| |
| #ifndef ANDROID_VINTF_UTILS_H |
| #define ANDROID_VINTF_UTILS_H |
| |
| #include <memory> |
| #include <mutex> |
| |
| #include <utils/Errors.h> |
| #include <vintf/FileSystem.h> |
| #include <vintf/RuntimeInfo.h> |
| #include <vintf/parse_xml.h> |
| |
| namespace android { |
| namespace vintf { |
| namespace details { |
| |
| class PartitionMounter { |
| public: |
| virtual ~PartitionMounter() {} |
| virtual status_t mountSystem() const { return OK; } |
| virtual status_t mountVendor() const { return OK; } |
| virtual status_t umountSystem() const { return OK; } |
| virtual status_t umountVendor() const { return OK; } |
| }; |
| |
| template <typename T> |
| status_t fetchAllInformation(const FileSystem* fileSystem, const std::string& path, |
| const XmlConverter<T>& converter, T* outObject, std::string* error) { |
| std::string info; |
| status_t result = fileSystem->fetch(path, &info, error); |
| |
| if (result != OK) { |
| return result; |
| } |
| |
| bool success = converter(outObject, info, error); |
| if (!success) { |
| if (error) { |
| *error = "Illformed file: " + path + ": " + *error; |
| } |
| return BAD_VALUE; |
| } |
| return OK; |
| } |
| |
| template <typename T> |
| class ObjectFactory { |
| public: |
| virtual ~ObjectFactory() = default; |
| virtual std::shared_ptr<T> make_shared() const { return std::make_shared<T>(); } |
| }; |
| |
| // TODO(b/70628538): Do not infer from Shipping API level. |
| inline Level convertFromApiLevel(size_t apiLevel) { |
| if (apiLevel < 26) { |
| return Level::LEGACY; |
| } else if (apiLevel == 26) { |
| return Level::O; |
| } else if (apiLevel == 27) { |
| return Level::O_MR1; |
| } else { |
| return Level::UNSPECIFIED; |
| } |
| } |
| |
| class PropertyFetcher { |
| public: |
| virtual ~PropertyFetcher() = default; |
| virtual std::string getProperty(const std::string& key, |
| const std::string& defaultValue = "") const = 0; |
| virtual uint64_t getUintProperty(const std::string& key, uint64_t defaultValue, |
| uint64_t max = UINT64_MAX) const = 0; |
| virtual bool getBoolProperty(const std::string& key, bool defaultValue) const = 0; |
| }; |
| |
| class PropertyFetcherImpl : public PropertyFetcher { |
| public: |
| virtual std::string getProperty(const std::string& key, |
| const std::string& defaultValue = "") const; |
| virtual uint64_t getUintProperty(const std::string& key, uint64_t defaultValue, |
| uint64_t max = UINT64_MAX) const; |
| virtual bool getBoolProperty(const std::string& key, bool defaultValue) const; |
| }; |
| |
| class PropertyFetcherNoOp : public PropertyFetcher { |
| public: |
| virtual std::string getProperty(const std::string& key, |
| const std::string& defaultValue = "") const override; |
| virtual uint64_t getUintProperty(const std::string& key, uint64_t defaultValue, |
| uint64_t max = UINT64_MAX) const override; |
| virtual bool getBoolProperty(const std::string& key, bool defaultValue) const override; |
| }; |
| |
| } // namespace details |
| } // namespace vintf |
| } // namespace android |
| |
| |
| |
| #endif |