decode_error.h

#ifndef DECODE_ERROR_H
#define DECODE_ERROR_H
 
// Shared Library Support
#include "pxcrypt/pxcrypt_codec_export.h"
 
// Qx Includes
#include <qx/core/qx-abstracterror.h>
 
namespace PxCrypt
{
 
class PXCRYPT_CODEC_EXPORT QX_ERROR_TYPE(DecodeError, "PxCrypt::DecoderError", 6878)
{
    friend class Decoder;
//-Class Enums------------------------------------------------------------------------------------------------
public:
    enum Type
    {
        NoError = 0,
        InvalidSource = 1,
        MissingMedium = 2,
        DimensionMismatch = 3,
        NotLargeEnough = 4,
        InvalidMeta = 5,
        InvalidHeader = 6,
        LengthMismatch = 7,
        UnexpectedEnd = 8,
        ChecksumMismatch = 9
    };
 
//-Class Variables------------------------------------------------------------------------------------------------
private:
    static inline const QString PRIMARY_STRING = u"Decoding failed."_s;
 
//-Instance Variables------------------------------------------------------------------------------------------------
private:
    Type mType;
    QString mString;
 
//-Constructor----------------------------------------------------------------------------------------------------------
public:
    DecodeError();
 
private:
    DecodeError(Type type, QString errStr);
 
//-Instance Functions---------------------------------------------------------------------------------------------------
private:
    quint32 deriveValue() const override;
    QString derivePrimary() const override;
    QString deriveSecondary() const override;
 
    template<typename... Args>
    DecodeError arged(Args... args) const
    {
        DecodeError a = *this;
        a.mString = a.mString.arg(&args...);
    }
 
public:
    bool isValid() const;
    Type type() const;
    QString errorString() const;
};
 
}
 
#endif // DECODE_ERROR_H