1 /* 2 * Copyright (C) 2018 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 LIBTEXTCLASSIFIER_ACTIONS_LUA_ACTIONS_H_ 18 #define LIBTEXTCLASSIFIER_ACTIONS_LUA_ACTIONS_H_ 19 20 #include "actions/actions_model_generated.h" 21 #include "actions/lua-utils.h" 22 #include "actions/types.h" 23 #include "utils/lua-utils.h" 24 #include "utils/tensor-view.h" 25 #include "utils/tflite-model-executor.h" 26 27 namespace libtextclassifier3 { 28 29 // Lua backed actions suggestions. 30 class LuaActionsSuggestions : public LuaEnvironment { 31 public: 32 static std::unique_ptr<LuaActionsSuggestions> CreateLuaActionsSuggestions( 33 const std::string& snippet, const Conversation& conversation, 34 const TfLiteModelExecutor* model_executor, 35 const TensorflowLiteModelSpec* model_spec, 36 const tflite::Interpreter* interpreter, 37 const reflection::Schema* actions_entity_data_schema, 38 const reflection::Schema* annotations_entity_data_schema); 39 40 bool SuggestActions(std::vector<ActionSuggestion>* actions); 41 42 private: 43 // Model tensor lua iterator. 44 class TensorViewIterator 45 : public LuaEnvironment::ItemIterator<TensorView<float>> { 46 public: TensorViewIterator()47 explicit TensorViewIterator() {} 48 int Item(const TensorView<float>* tensor, const int64 index, 49 lua_State* state) const override; 50 }; 51 52 LuaActionsSuggestions( 53 const std::string& snippet, const Conversation& conversation, 54 const TfLiteModelExecutor* model_executor, 55 const TensorflowLiteModelSpec* model_spec, 56 const tflite::Interpreter* interpreter, 57 const reflection::Schema* actions_entity_data_schema, 58 const reflection::Schema* annotations_entity_data_schema); 59 60 bool Initialize(); 61 62 const std::string& snippet_; 63 const Conversation& conversation_; 64 ConversationIterator conversation_iterator_; 65 TensorViewIterator tensor_iterator_; 66 TensorView<float> actions_scores_; 67 TensorView<float> smart_reply_scores_; 68 TensorView<float> sensitivity_score_; 69 TensorView<float> triggering_score_; 70 const reflection::Schema* actions_entity_data_schema_; 71 const reflection::Schema* annotations_entity_data_schema_; 72 }; 73 74 } // namespace libtextclassifier3 75 76 #endif // LIBTEXTCLASSIFIER_ACTIONS_LUA_ACTIONS_H_ 77