CCSDSConfig.h

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#ifndef CCSDS_CONFIG_H
#define CCSDS_CONFIG_H
 
#include <string>
#include <cstdint>
#include <vector>
#include "CCSDSResult.h"
#include <unordered_map>
 
class Config {
public:
  using ConfigValue = std::variant<std::string, int, float, bool, std::vector<uint8_t>>;
 
  CCSDS::ResultBool load(const std::string &filename);
 
  template<typename T>
  CCSDS::Result<T> get(const std::string& key) const {
    auto it = values.find(key);
    RET_IF_ERR_MSG(it == values.end(), CCSDS::ErrorCode::NO_DATA,"Config: No data found for key: " + key);
 
    if (const auto* p = std::get_if<T>(&it->second)) {
      return *p;
    }
    return CCSDS::Error{ CCSDS::ErrorCode::INVALID_DATA, "Config: Wrong type for key: " + key};
  }
 
  bool isKey(const std::string& key) const;
 
private:
  std::unordered_map<std::string, ConfigValue> values;
 
  static std::tuple<std::string, std::string, std::string> parseLine(const std::string& line);
 
  static CCSDS::ResultBuffer parseBytes(const std::string &valueStr);
};
 
 
 
 
#endif // CCSDS_CONFIG_H