text: ﻿// Copyright 2016 Google Inc.
  //
  // 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 CHAR_MODEL_H_
  #define CHAR_MODEL_H_
  
  #include "model_interface.h"
  #include "sentencepiece_model.pb.h"
  
  // DOC: 命名空间 sentencepiece
  namespace sentencepiece {
  // DOC: 命名空间 character
  namespace character {
    // Tokenize text into character sequence
  
  // DOC:
  // Model 类，继承 ModelInterface 类
  // 将文本标记为字符序列
  class Model : public ModelInterface {
   public:
    explicit Model(const ModelProto &model_proto);
    ~Model() override;
  
    EncodeResult Encode(absl::string_view normalized) const override;
  };
  }  // namespace character
  }  // namespace sentencepiece
  #endif  // CHAR_MODEL_H_
  