streamconn.h

Go to the documentation of this file.

#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H.Bril
 Date:          21-10-1995
________________________________________________________________________

-*/


#include "generalmod.h"
#include "conn.h"
#include "od_iosfwd.h"
#include "bufstring.h"
class SafeWriteHelper;


mExpClass(General) StreamConn : public Conn
{
public:
                        StreamConn();
                        StreamConn(od_istream*); 
                        StreamConn(od_ostream*); 
                        StreamConn(od_istream&); 
                        StreamConn(od_ostream&); 
                        StreamConn(const char* fnm,bool forread);
    virtual             ~StreamConn();

    virtual bool        isBad() const;
    virtual const char* creationMessage() const { return creationmsg_; }
    virtual bool        forRead() const;
    virtual bool        forWrite() const;
    virtual StreamConn* getStream()             { return this; }
    virtual void        close(bool failed=false);

    void                setStream(od_istream*); 
    void                setStream(od_ostream*); 
    void                setStream(od_istream&); 
    void                setStream(od_ostream&); 

    od_stream&          odStream();
    od_istream&         iStream();
    od_ostream&         oStream();
    void                setFileName(const char*,bool forread);
    const char*         fileName() const;

    const char*         connType() const        { return sType(); }
    static const char*  sType();


private:

    od_stream*          strm_;
    SafeWriteHelper*    writehelper_;
    bool                mine_;

    BufferString        creationmsg_;

    void                fillCrMsg(od_stream*);

};