nfiq2_exception.hpp

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#ifndef NFIQ2_EXCEPTION_HPP_
#define NFIQ2_EXCEPTION_HPP_
 
#include <exception>
#include <map>
#include <string>
 
namespace NFIQ2 {
 
enum class ErrorCode {
        UnknownError,
        NotEnoughMemory,
        BadArguments,
        FeatureCalculationError,
        CannotWriteToFile,
        CannotReadFromFile,
        NoDataAvailable,
        CannotDecodeBase64,
        InvalidConfiguration,
        MachineLearningError,
        FJFX_CannotCreateContext,
        FJFX_CannotCreateFeatureSet,
        FJFX_NoFeatureSetCreated,
        InvalidNFIQ2Score,
        InvalidImageSize
};
 
static const std::map<NFIQ2::ErrorCode, std::string> errorCodeMessage {
        { NFIQ2::ErrorCode::UnknownError, "Unknown error" },
        { NFIQ2::ErrorCode::NotEnoughMemory, "Not enough memory" },
        { NFIQ2::ErrorCode::BadArguments, "Bad arguments" },
        { NFIQ2::ErrorCode::FeatureCalculationError,
            "Feature calculation error" },
        { NFIQ2::ErrorCode::CannotWriteToFile, "Cannot write to file" },
        { NFIQ2::ErrorCode::CannotReadFromFile, "Cannot read from file" },
        { NFIQ2::ErrorCode::NoDataAvailable, "No data available" },
        { NFIQ2::ErrorCode::CannotDecodeBase64, "Cannot decode base64 string" },
        { NFIQ2::ErrorCode::InvalidConfiguration,
            "An invalid configuration entry was found" },
        { NFIQ2::ErrorCode::MachineLearningError,
            "An machine learning error occurred" },
        { NFIQ2::ErrorCode::FJFX_CannotCreateContext,
            "Cannot create context for FJFX feature extractor" },
        { NFIQ2::ErrorCode::FJFX_CannotCreateFeatureSet,
            "Cannot create feature set from fingerprint data" },
        { NFIQ2::ErrorCode::FJFX_NoFeatureSetCreated,
            "No feature set could be created" },
        { NFIQ2::ErrorCode::InvalidNFIQ2Score, "Invalid NFIQ2 Score" },
        { NFIQ2::ErrorCode::InvalidImageSize, "Invalid Image Size" }
};
 
class Exception : public std::exception {
    public:
        Exception(const NFIQ2::ErrorCode &errorCode);
 
        Exception(
            const NFIQ2::ErrorCode &errorCode, const std::string &errorMessage);
 
        virtual ~Exception() noexcept;
 
        virtual const char *what() const noexcept;
 
        NFIQ2::ErrorCode getErrorCode() const;
 
        std::string getErrorMessage() const;
 
    private:
        NFIQ2::ErrorCode errorCode;
        std::string errorMessage;
};
} // namespace NFIQ
 
#endif /* NFIQ2_EXCEPTION_HPP_ */