text: /**
   * Copyright 2020 Huawei Technologies Co., Ltd
   *
   * 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 MINDSPORE_CCSRC_MINDDATA_DATASET_TEXT_KERNELS_NORMALIZE_UTF8_OP_H_
  #define MINDSPORE_CCSRC_MINDDATA_DATASET_TEXT_KERNELS_NORMALIZE_UTF8_OP_H_
  #include <memory>
  #include <string>
  
  #include "minddata/dataset/core/tensor.h"
  #include "minddata/dataset/kernels/tensor_op.h"
  #include "minddata/dataset/util/status.h"
  
  namespace mindspore {
  namespace dataset {
  enum class NormalizeForm {
    kNone = 0,
    kNfc,
    kNfkc,
    kNfd,
    kNfkd,
  };
  
  class NormalizeUTF8Op : public TensorOp {
   public:
    static const NormalizeForm kDefNormalizeForm;
    explicit NormalizeUTF8Op(NormalizeForm normalize_form = kDefNormalizeForm) : normalize_form_(normalize_form) {}
  
    ~NormalizeUTF8Op() override = default;
  
    Status Compute(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output) override;
  
    std::string Name() const override { return kNormalizeUTF8Op; }
  
   private:
    NormalizeForm normalize_form_;
  };
  }  // namespace dataset
  }  // namespace mindspore
  #endif  // MINDSPORE_CCSRC_MINDDATA_DATASET_TEXT_KERNELS_NORMALIZE_UTF8_OP_H_
  