datacoldef.h

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#ifndef datacoldef_h
#define datacoldef_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H.Bril
 Date:          Jan 2005
 RCS:           $Id$
________________________________________________________________________

-*/

#include "generalmod.h"
#include "bufstring.h"
class UnitOfMeasure;


mExpClass(General) DataColDef
{
public:
                                DataColDef( const char* nm, const char* ref=0,
                                            const UnitOfMeasure* un=0 )
                                : name_(nm), ref_(ref), unit_(un)       {}
    bool                        operator ==( const DataColDef& dcd ) const
                                { return name_ == dcd.name_
                                      && ref_ == dcd.ref_
                                      && unit_ == dcd.unit_; }

    BufferString                name_;
    BufferString                ref_;
    const UnitOfMeasure*        unit_;

    enum MatchLevel             { Exact, Start, None };
    MatchLevel                  compare(const DataColDef&,bool use_name) const;

    void                        putTo(BufferString&) const;
    void                        getFrom(const char*);

    static const DataColDef&    unknown();

};


#endif