errors.hpp

#pragma once
 
#include <cstdint>
#include <stdexcept>
 
#define ERROR_FOR_REASON(reason) \
  class reason : public Error { \
  public: \
    explicit reason(const char* message) : Error(Reason::reason, message) {} \
  };
 
namespace VtfParser::Errors {
  enum class Reason : uint8_t {
    InvalidHeader,
    UnsupportedVersion,
    OutOfBoundsAccess,
  };
 
  class Error : public std::runtime_error {
  public:
    Error(Reason reason, const char* message) : reason(reason), std::runtime_error(message) {}
 
    Reason getReason() {
      return reason;
    }
 
  private:
    Reason reason;
  };
 
  ERROR_FOR_REASON(InvalidHeader);
  ERROR_FOR_REASON(UnsupportedVersion);
  ERROR_FOR_REASON(OutOfBoundsAccess);
}
 
#undef ERROR_FOR_REASON