odset.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          Feb 2009
________________________________________________________________________

-*/

#ifndef gendefs_h
# include "gendefs.h"
#endif

namespace OD
{

mExpClass(Basic) Set
{
public:

    virtual             ~Set()                                  {}

    virtual od_int64    nrItems() const                         = 0;
    virtual bool        validIdx(od_int64) const                = 0;
    virtual void        swap(od_int64,od_int64)                 = 0;
    virtual void        erase()                                 = 0;

    inline bool         isEmpty() const         { return nrItems() <= 0; }
    inline void         setEmpty()              { erase(); }

};

} // namespace



template <class ODSET,class size_type>
inline void removeRange( ODSET& inst, size_type start, size_type stop )
{
    inst.removeRange( start, stop );
}


template <class ODSET,class WITHADD>
inline void addNames( const ODSET& inp, WITHADD& withadd )
{
    const typename ODSET::size_type sz = inp.size();
    for ( typename ODSET::size_type idx=0; idx<sz; idx++ )
        withadd.add( inp[idx]->name() );
}

#define mODSetApplyToAll( itp, os, op ) \
    for ( itp idx=(itp) os.nrItems()-1; idx>=0; idx-- ) \
    { \
        op; \
    }