1 /** 2 * Copyright 2022 Huawei Technologies Co., Ltd 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 #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_TEXT_KERNELS_TRUNCATE_OP_H_ 17 #define MINDSPORE_CCSRC_MINDDATA_DATASET_TEXT_KERNELS_TRUNCATE_OP_H_ 18 19 #include <algorithm> 20 #include <memory> 21 #include <string> 22 #include <vector> 23 24 #include "minddata/dataset/core/tensor.h" 25 #include "minddata/dataset/kernels/tensor_op.h" 26 27 namespace mindspore { 28 namespace dataset { 29 class TruncateOp : public TensorOp { 30 public: TruncateOp(int32_t max_seq_len)31 explicit TruncateOp(int32_t max_seq_len) : max_seq_len_(max_seq_len) {} 32 33 ~TruncateOp() override = default; 34 35 Status Compute(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output) override; 36 Name()37 std::string Name() const override { return kTruncateOp; } 38 39 Status OutputShape(const std::vector<TensorShape> &inputs, std::vector<TensorShape> &outputs) override; 40 41 private: 42 int32_t max_seq_len_; 43 }; 44 } // namespace dataset 45 } // namespace mindspore 46 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_TEXT_KERNELS_TRUNCATE_OP_H_ 47