| /* |
| * Copyright 2016 Google Inc. 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. |
| */ |
| |
| #ifndef COBALT_SPEECH_SPEECH_RECOGNITION_RESULT_H_ |
| #define COBALT_SPEECH_SPEECH_RECOGNITION_RESULT_H_ |
| |
| #include <limits> |
| #include <vector> |
| |
| #include "cobalt/script/wrappable.h" |
| #include "cobalt/speech/speech_recognition_alternative.h" |
| |
| namespace cobalt { |
| namespace speech { |
| |
| // The speech recognition result object represents a single one-shot recognition |
| // match, either as one small part of a continuous recognition or as the |
| // complete return result of a non-continuous recognition. |
| // https://dvcs.w3.org/hg/speech-api/raw-file/9a0075d25326/speechapi.html#speechreco-result |
| class SpeechRecognitionResult : public script::Wrappable { |
| public: |
| typedef std::vector<scoped_refptr<SpeechRecognitionAlternative> > |
| SpeechRecognitionAlternatives; |
| |
| SpeechRecognitionResult(const SpeechRecognitionAlternatives& alternatives, |
| bool final); |
| |
| // Represents how many n-best alternatives are represented in the item array. |
| uint32 length() const { |
| CHECK_LE(alternatives_.size(), std::numeric_limits<uint32>::max()); |
| return static_cast<uint32>(alternatives_.size()); |
| } |
| // The item getter returns a SpeechRecognitionAlternative from the index into |
| // an array of n-best values. |
| scoped_refptr<SpeechRecognitionAlternative> Item(uint32 index) const; |
| // The final MUST be set to true if this is the final time the speech service |
| // will return this particular index value. If the value is false, then this |
| // represents an interim result that could still be changed. |
| bool is_final() const { return final_; } |
| |
| DEFINE_WRAPPABLE_TYPE(SpeechRecognitionResult); |
| |
| private: |
| SpeechRecognitionAlternatives alternatives_; |
| bool final_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SpeechRecognitionResult); |
| }; |
| |
| } // namespace speech |
| } // namespace cobalt |
| |
| #endif // COBALT_SPEECH_SPEECH_RECOGNITION_RESULT_H_ |