linekey.h

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#ifndef linekey_h
#define linekey_h
/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H. Bril
 Date:          Oct 2004
 RCS:           $Id$
________________________________________________________________________

-*/

#include "generalmod.h"
#include "bufstring.h"


mExpClass(General) LineKey : public BufferString
{
public:

                        LineKey( const char* lk=0 )
                                : BufferString(lk)      {}
                        LineKey(const char*,const char* attrnm);
                        LineKey( const IOPar& iop, bool liin )
                                { usePar(iop,liin); }
    bool                operator ==(const LineKey&) const;
    bool                operator ==( const char* lk ) const
                                { return *this == LineKey(lk); }

    BufferString        lineName() const;
    BufferString        attrName() const;
    void                setLineName( const char* lnm )
                                { *this = LineKey( lnm, attrName() ); }
    void                setAttrName( const char* anm )
                                { *this = LineKey( lineName(), anm ); }

    void                fillPar(IOPar&,bool linename_is_iopar_name) const;
    bool                usePar(const IOPar&,bool linename_is_iopar_name);

    static const char*  sKeyDefAttrib()         { return ""; }
};


mExpClass(General) GeomIDProvider
{
public:

    virtual             ~GeomIDProvider()               {}
    virtual Pos::GeomID geomID() const                  = 0;

};


#endif