| /* Copyright 2019 The TensorFlow Authors. All Rights Reserved. |
| |
| 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. |
| ==============================================================================*/ |
| // NOTE: this is a Android version of the file with the same name in parent folder. |
| // The main difference is the removal of absl, re2 and tensorflow core dependencies. |
| |
| #ifndef TENSORFLOW_LITE_TESTING_ANDROID_MESSAGE_H_ |
| #define TENSORFLOW_LITE_TESTING_ANDROID_MESSAGE_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| namespace tflite { |
| namespace testing { |
| |
| // A Message is a textual protobuf-like structure that looks like: |
| // tag { |
| // f : "values" |
| // child { |
| // a : 1 |
| // } |
| // } |
| // This class provides the framework for processing message but does not |
| // associate any particular behavior to fields and submessage. In order |
| // to properly parse a stream this class must be derived. |
| class Message { |
| public: |
| // Reads a stream, tokenizes it and create a new message under the given |
| // top-level message. Returns true if the parsing succeeded. |
| static bool Read(std::istream* input, Message* message); |
| |
| Message() {} |
| virtual ~Message() {} |
| |
| // Called when a new field is found. For example, when: |
| // f : "values" |
| // is found, it triggers: |
| // SetField("f", "values"); |
| virtual void SetField(const std::string& name, const std::string& value) {} |
| |
| // Called when a submessage is started. For example, when: |
| // child { |
| // is found, it triggers |
| // AddChild("child"); |
| // If nullptr is returned, the contents of the submessage will be ignored. |
| // Otherwise, the returned Message will be used to handle new fields and new |
| // submessages. The caller should not take ownership of the returned pointer. |
| virtual Message* AddChild(const std::string& name) { return nullptr; } |
| |
| // Called when a submessage is completed, that is, whenever a '}' is found. |
| virtual void Finish() {} |
| |
| protected: |
| // Takes ownership of the given pointer. Subclasses can use this method if |
| // they don't want to implement their own ownership semantics. |
| Message* Store(Message* n) { |
| children_.emplace_back(n); |
| return n; |
| } |
| |
| // Returns a list of all owned submessages. |
| const std::vector<std::unique_ptr<Message>>& Children() const { |
| return children_; |
| } |
| |
| private: |
| std::vector<std::unique_ptr<Message>> children_; |
| }; |
| |
| } // namespace testing |
| } // namespace tflite |
| |
| #endif // TENSORFLOW_LITE_TESTING_MESSAGE_H_ |