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60 lines
2.2 KiB
60 lines
2.2 KiB
4 months ago
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/*
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* Copyright (C) 2019 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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#include <fstream>
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#include <iostream>
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#include <json/json.h>
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int main(int argc, char** argv) {
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if (argc != 2) {
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std::cerr << "Usage: hidl_metadata_parser *.json" << std::endl;
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return EXIT_FAILURE;
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}
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const std::string path = argv[1];
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Json::Value root;
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Json::CharReaderBuilder builder;
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std::ifstream stream(path);
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std::string errorMessage;
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if (!Json::parseFromStream(builder, stream, &root, &errorMessage)) {
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std::cerr << "Failed to read interface inheritance hierarchy file: " << path << std::endl
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<< errorMessage << std::endl;
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return EXIT_FAILURE;
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}
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std::cout << "#include <hidl/metadata.h>" << std::endl;
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std::cout << "namespace android {" << std::endl;
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std::cout << "std::vector<HidlInterfaceMetadata> HidlInterfaceMetadata::all() {" << std::endl;
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std::cout << "return std::vector<HidlInterfaceMetadata>{" << std::endl;
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for (const Json::Value& entry : root) {
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std::cout << "HidlInterfaceMetadata{" << std::endl;
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// HIDL interface characters guaranteed to be accepted in C++ string
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std::cout << "std::string(\"" << entry["interface"].asString() << "\")," << std::endl;
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std::cout << "std::vector<std::string>{" << std::endl;
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for (const Json::Value& intf : entry["inheritedInterfaces"]) {
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std::cout << "std::string(\"" << intf.asString() << "\")," << std::endl;
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}
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std::cout << "}," << std::endl;
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std::cout << "}," << std::endl;
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}
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std::cout << "};" << std::endl;
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std::cout << "}" << std::endl;
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std::cout << "} // namespace android" << std::endl;
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return EXIT_SUCCESS;
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}
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