exception.hpp

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#ifndef EXCEPTION_HPP_
#define EXCEPTION_HPP_
 
#include "BoosterSeat/template_tools.hpp"
#include <stdexcept>
#include <string>
 
namespace bst {
 
enum class ErrorNumber {
  UNSPECIFIED = 0, // Default value, just for backwards compatibility.
 
  // -- Filesystem
 
  FS_PATH_DOES_NOT_EXIST = 1,
 
  FS_PATH_ALREADY_EXISTS = 2,
 
  FS_PATH_NOT_REGULAR_FILE = 3,
 
  FS_PATH_NOT_DIRECTORY = 4,
 
  FS_FILE_NOT_VALID = 5,
 
  FS_NO_WRITE_PERMISSIONS = 6,
 
  FS_NO_READ_PERMISSIONS = 7,
 
  FS_INVALID_SIZE_UNIT = 8,
 
  TIME_INVALID_TIMEZONE = 9,
 
  GEO_INVALID_LATITUDE = 10,
 
  GEO_INVALID_LONGITUDE = 11,
 
  TIME_INVALID_TIME = 12,
 
  PROCESS_NOT_COMPLETE = 13,
 
  PROCESS_TIMEOUT = 14,
 
  NOT_YET_IMPLEMENTED
};
 
class BoosterSeatException : public std::exception {
public:
  BoosterSeatException(const std::string &message,
                       ErrorNumber error_number = ErrorNumber::UNSPECIFIED)
      : error_number_enum_(error_number),
        error_number_(template_tools::to_underlying(error_number)),
        message_("BST Errno: " + std::to_string(error_number_) + " | " +
                 message) {
  }
  ~BoosterSeatException() = default;
 
  const char *what() const noexcept override {
    return message_.c_str();
  }
 
  ErrorNumber errorNumberEnum() const noexcept {
    return error_number_enum_;
  }
 
  int errorNumber() const noexcept {
    return error_number_;
  }
 
private:
  ErrorNumber error_number_enum_;
  int error_number_;
  std::string message_;
};
 
} // namespace bst
 
#endif // BOOST_ERSEAT_HPP_