qhexbuffer.h

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#ifndef QHEXBUFFER_H
#define QHEXBUFFER_H
 
#include <QObject>
#include <QIODevice>
 
class QHexBuffer : public QObject
{
    Q_OBJECT
 
    public:
        explicit QHexBuffer(QObject *parent = nullptr);
        bool isEmpty() const;
 
    public:
        virtual uchar at(qint64 idx);
        virtual void replace(qint64 offset, const QByteArray& data);
        virtual void read(char* data, int size);
        virtual void read(const QByteArray& ba);
 
    public:
        virtual qint64 length() const = 0;
        virtual void insert(qint64 offset, const QByteArray& data) = 0;
        virtual void remove(qint64 offset, int length) = 0;
        virtual QByteArray read(qint64 offset, int length) = 0;
        virtual bool read(QIODevice* iodevice) = 0;
        virtual void write(QIODevice* iodevice) = 0;
 
        virtual qint64 indexOf(const QByteArray& ba, qint64 from) = 0;
        virtual qint64 lastIndexOf(const QByteArray& ba, qint64 from) = 0;
 
};
 
#endif // QHEXBUFFER_H