eis/eqpalg/utility/ExpModule.h

#pragma once
/**
 * @file ExpModule.h
 * @brief 表达式模块
 * @author your name (you@domain.com)
 * @version 0.1
 * @date 2025-08-20
 *
 * Copyright: Baosight Co. Ltd.
 * DO NOT COPY/USE WITHOUT PERMISSION
 *
 */
#include "mix_cc/ihyper_db.h"
#include "mix_cc/json.h"
#include "mix_cc/matheval/matheval.hpp"
#include <chrono>
#include <eqpalg/utility/StatExp.hpp>
#include <log4cplus/LOG.h>
#include <map>
#include <memory>
#include <string>
#include <vector>
using std::map;
using std::string;
using std::vector;
using MExp = mix_cc::matheval::Expression;
using namespace std::chrono;
using std::chrono::system_clock;
using TimePoint = system_clock::time_point;
using TimeDur = milliseconds;

class ExpModule {
public:
  ExpModule(std::map<std::string, double> &vars_ref, vector<string> &m_tags,
            bool &is_exp_alg_ref);
  ~ExpModule();
  ExpModule() = delete;
  ExpModule &operator=(const ExpModule &) = delete;

  /**
   * @brief 添加表达式
   * @param  exp_name         表达式名称
   * @param  exp_str          表达式字符串
   * @return int
   */
  int add_exp(string exp_name, string exp_str);
  /**
   * @brief 更新数据，更新表达式的值
   * @return int
   */
  int update();

  void fun_reset();

  /**
   * @brief 更新数据，更新表达式的值 通过指定数据
   * @param  queried_data     指定数据项
   * @return int
   */
  int update(Eigen::Matrix<double, Eigen::Dynamic, Eigen::Dynamic> queried_data,
             std::vector<TimePoint> queried_time, int row = 0);
  /**
   * @brief 获取表达式的值
   * @param  exp_name         表达式名称
   * @return double
   */
  double get_value(string exp_name);
  /**
   * @brief
   */
  void print_value();

  /**
   * @brief Get the exp str object
   * @param  exp_name         My Param doc
   * @return string
   */
  string get_exp_str(string exp_name);

private:
  /**
   * @brief 表达式变量，表达式初始化
   */
  void init();

  /**
   * @brief 更新数据 共享内存
   */
  void refresh_exp_vars_mem();

  /**
   * @brief 更新数据 指定数据
   * @param  queried_data
   */
  void refresh_exp_ihd_mem(
      Eigen::Matrix<double, Eigen::Dynamic, Eigen::Dynamic> queried_data,
      std::vector<TimePoint> queried_time, int row);

private:
  map<string, double> &mm_vars;
  map<string, double> exp_result_;
  map<string, std::unique_ptr<MExp>> exp_ptr_;
  map<string, string> exp_str_;
  vector<string> &m_tags;
  std::unique_ptr<LOG> logger_;
  TimePoint now_time_;
  /**
   * @brief 自定义带状态函数
   */
  StatExp::FunVars fun_vars_;
  bool &is_exp_alg_;
};