strmdata.h

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#ifndef strmdata_h
#define strmdata_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H.Bril
 Date:          3-4-1996
 Contents:      Data on any stream
 RCS:           $Id$
________________________________________________________________________

-*/

#include "basicmod.h"
#include "bufstring.h"
#include <iosfwd>


mExpClass(Basic) StreamData
{
public:

                StreamData()                    { initStrms(); }
    void        transferTo(StreamData&);        

    void        close();
    bool        usable() const;

    void        setFileName( const char* fn )   { fname_ = fn; }
    const char* fileName() const                { return fname_; }

    std::ios*   streamPtr()const;

    std::istream* istrm;
    std::ostream* ostrm;

protected:

    BufferString fname_;

private:

    inline void initStrms()
                { istrm = 0; ostrm = 0; }
    friend class StreamProvider;

};


#endif