|  | // Copyright 2021 The Dawn Authors | 
|  | // | 
|  | // 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 DAWN_NODE_BINDING_FLAGS_H_ | 
|  | #define DAWN_NODE_BINDING_FLAGS_H_ | 
|  |  | 
|  | #include <optional> | 
|  | #include <string> | 
|  | #include <unordered_map> | 
|  |  | 
|  | namespace wgpu::binding { | 
|  | // Flags maintains a key-value mapping of input flags passed into the module's create() | 
|  | // function, used to configure dawn_node. | 
|  | class Flags { | 
|  | public: | 
|  | void Set(const std::string& key, const std::string& value); | 
|  | std::optional<std::string> Get(const std::string& key) const; | 
|  |  | 
|  | private: | 
|  | std::unordered_map<std::string, std::string> flags_; | 
|  | }; | 
|  | }  // namespace wgpu::binding | 
|  |  | 
|  | #endif  // DAWN_NODE_BINDING_FLAGS_H_ |