qstreambuf.h

Go to the documentation of this file.

#ifndef qstreambuf_h
#define qstreambuf_h
/*
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          Feb 2009
________________________________________________________________________

*/

#include "basicmod.h"
#include "commondefs.h"
#include <streambuf>
#include <vector>
#include <istream>

#include <QSharedPointer>

mFDQtclass( QIODevice );
mFDQtclass( QProcess );


mClass(Basic) qstreambuf : public std::streambuf
{
public:
                                qstreambuf(QIODevice&,bool isstderr,
                                           bool takeoverdevice);
                                ~qstreambuf();

    void                        detachDevice(bool readall);
    virtual std::streambuf::int_type    underflow();
    virtual std::streamsize             xsputn(const char_type*,
                                               std::streamsize);

    virtual int                         sync();

private:
    void                        readAll();

    std::vector<char>           buffer_;
    bool                        ownsdevice_;

    QByteArray                  readbuffer_;
    QProcess*                   process_;
    QIODevice*                  iodevice_;
    bool                        isstderr_;
};

mClass(Basic) iqstream : public std::istream
{
public:
                        iqstream( std::streambuf* buf )
                            : std::istream( buf )
                        {}
                        ~iqstream()
                        { delete rdbuf(); }
};


mClass(Basic) oqstream : public std::ostream
{
public:
                        oqstream( std::streambuf* buf )
                            : std::ostream( buf )
                        {}
                        ~oqstream()
                        { delete rdbuf(); }
};

#endif