output.h

#ifndef OUTPUT_H
#define OUTPUT_H

#include <iostream>
#include <sstream>
#include <QString>

class Output: public std::ostream
{
    friend std::ostream& operator<<(std::ostream &out, const QString var);
private:

    class StreamBuffer: public std::stringbuf
    {
    private:
        std::ostream &out;
        QString prefix;

    public:
        StreamBuffer(std::ostream& str, const QString &p);

        //Kada se pozove sync funkcija:
        //1) Ispisemo prefix, onda sadrzaj buffera
        //2) Resetiramo buffer
        //3) pozovemo flush stvarnog objekta koji koristimo za ispis
        virtual int sync();
    };

    //Ova klasa samo koristi specijalnu verziju buffera
    StreamBuffer buffer;

public:
    Output(const QString &prefix);


};


#endif // OUTPUT_H