strmdata.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (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 "ptrman.h"
#include "bufstring.h"
#include <iosfwd>
 
 
mExpClass(Basic) StreamData
{
public:
 
                        StreamData();
                        StreamData(const StreamData&)   = delete;
                        StreamData(StreamData&&);
 
    StreamData&         operator=(const StreamData&)    = delete;
    StreamData&         operator=(StreamData&&);
 
    mDeprecatedObs void transferTo(StreamData&);        
 
    void                close();
    bool                usable() const;
 
    void                setFileName( const char* fn );
    const char*         fileName() const;
 
    std::ios*           streamPtr() const;
 
    std::istream*       iStrm() const { return impl_->istrm_; }
    std::ostream*       oStrm() const { return impl_->ostrm_; }
 
    void                setIStrm( std::istream* );
    void                setOStrm( std::ostream* );
 
    //Internal use (unless you're making connectors to weird external streams)
    mExpClass(Basic) StreamDataImpl
    {
    public:
        virtual void    close();
        virtual         ~StreamDataImpl() {}
        BufferString    fname_;
        std::istream*   istrm_ = nullptr;
        std::ostream*   ostrm_ = nullptr;
    };
 
    void setImpl(StreamDataImpl*);
 
private:
 
    PtrMan<StreamDataImpl>      impl_;
 
};