text: /**
   * Copyright 2021 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_DEBUG_ENV_CONFIG_PARSER_H_
  #define MINDSPORE_CCSRC_DEBUG_ENV_CONFIG_PARSER_H_
  
  #include <string>
  #include <map>
  #include <set>
  #include <mutex>
  #include "nlohmann/json.hpp"
  #include "utils/ms_utils.h"
  namespace mindspore {
  enum RdrModes : int { Exceptional = 1, Normal = 2 };
  
  class EnvConfigParser {
   public:
    static EnvConfigParser &GetInstance() {
      static EnvConfigParser instance;
      instance.Parse();
      return instance;
    }
  
    void Parse();
    std::string ConfigPath() const { return config_file_; }
  
  #ifdef ENABLE_DUMP_IR
    bool HasRdrSetting() const { return has_rdr_setting_; }
    bool RdrEnabled() const { return rdr_enabled_; }
    int RdrMode() const { return rdr_mode_; }
    std::string RdrPath() const { return rdr_path_; }
  #endif
    bool GetSysMemreuse() { return sys_memreuse_; }
    void SetSysMemreuse(bool set_memreuse) { sys_memreuse_ = set_memreuse; }
  
   private:
    EnvConfigParser() {}
    ~EnvConfigParser() {}
  
    std::mutex lock_;
    std::string config_file_{""};
    bool already_parsed_{false};
  
  #ifdef ENABLE_DUMP_IR
    // rdr
    bool has_rdr_setting_{false};
    bool rdr_enabled_{false};
    int rdr_mode_{1};
    std::string rdr_path_{"./"};
  #endif
  
    // memreuse
    bool sys_memreuse_{true};
  
    void ParseFromFile();
    void ParseFromEnv();
    std::string GetIfstreamString(const std::ifstream &ifstream) const;
    bool CheckJsonStringType(const nlohmann::json &content, const std::string &setting_key, const std::string &key) const;
    std::optional<nlohmann::detail::iter_impl<const nlohmann::json>> CheckJsonKeyExist(const nlohmann::json &content,
                                                                                       const std::string &setting_key,
                                                                                       const std::string &key) const;
  #ifdef ENABLE_DUMP_IR
    void ParseRdrSetting(const nlohmann::json &content);
    void ParseRdrPath(const nlohmann::json &content);
    void ParseRdrEnable(const nlohmann::json &content);
    void ParseRdrMode(const nlohmann::json &content);
  #endif
    void ParseMemReuseSetting(const nlohmann::json &content);
    void ParseSysMemReuse(const nlohmann::json &content);
  
    void ConfigToString();
  };
  }  // namespace mindspore
  #endif  // MINDSPORE_CCSRC_DEBUG_ENV_CONFIG_PARSER_H_
  