| /* Copyright 2017 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. | |
| ==============================================================================*/ | |
| /// \file | |
| /// | |
| /// This provides a few C++ helpers that are useful for manipulating C | |
| /// structures in C++. | |
| namespace tflite { | |
| /// Provides a range iterable wrapper for TfLiteIntArray* (C lists) that TfLite | |
| /// C api uses. | |
| // Can't use the google array_view, since we can't depend on even | |
| // absl for embedded device reasons. | |
| class TfLiteIntArrayView { | |
| public: | |
| /// Construct a view of a TfLiteIntArray*. Note, `int_array` should be | |
| /// non-null and this view does not take ownership of it. | |
| explicit TfLiteIntArrayView(const TfLiteIntArray* int_array) | |
| : int_array_(int_array) {} | |
| TfLiteIntArrayView(const TfLiteIntArrayView&) = default; | |
| TfLiteIntArrayView& operator=(const TfLiteIntArrayView& rhs) = default; | |
| typedef const int* const_iterator; | |
| const_iterator begin() const { return int_array_->data; } | |
| const_iterator end() const { return &int_array_->data[int_array_->size]; } | |
| size_t size() const { return end() - begin(); } | |
| int operator[](size_t pos) const { return int_array_->data[pos]; } | |
| private: | |
| const TfLiteIntArray* int_array_; | |
| }; | |
| } // namespace tflite | |