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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ANDROID_VINTF_HAL_INTERFACE_H_
     18 #define ANDROID_VINTF_HAL_INTERFACE_H_
     19 
     20 #include <functional>
     21 #include <set>
     22 #include <string>
     23 
     24 #include "Regex.h"
     25 
     26 namespace android {
     27 namespace vintf {
     28 
     29 // manifest.hal.interface element / compatibility-matrix.hal.interface element
     30 struct HalInterface {
     31     HalInterface() = default;
     32     HalInterface(std::string&& name, std::set<std::string>&& instances)
     33         : mName(std::move(name)), mInstances(std::move(instances)) {}
     34     HalInterface(const std::string& name, const std::set<std::string>& instances)
     35         : mName(name), mInstances(instances) {}
     36 
     37     bool forEachInstance(
     38         const std::function<bool(const std::string& interface, const std::string& instance,
     39                                  bool isRegex)>& func) const;
     40     bool hasAnyInstance() const;
     41 
     42     // Return true if inserted, false otherwise.
     43     bool insertInstance(const std::string& instanceOrPattern, bool isRegex);
     44 
     45     // Return true if removed, false otherwise.
     46     bool removeInstance(const std::string& instanceOrPattern, bool isRegex);
     47 
     48     const std::string& name() const { return mName; }
     49 
     50    private:
     51     friend bool operator==(const HalInterface&, const HalInterface&);
     52     friend struct HalInterfaceConverter;
     53 
     54     std::string mName;
     55     std::set<std::string> mInstances;
     56     std::set<std::string> mRegexes;
     57 };
     58 
     59 } // namespace vintf
     60 } // namespace android
     61 
     62 #endif // ANDROID_VINTF_HAL_INTERFACE_H_
     63