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HxBlob2dRelation.h

/*
 *  Copyright (c) 2002, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *
 *  Author(s):
 *  Dennis Koelma (koelma@science.uva.nl)
 */

#ifndef HxBlob2dRelation_h
#define HxBlob2dRelation_h

#include "HxBlob2d.h"
#include "HxBlob2dList.h"


class HxBlob2dRelation
{
public:
                            HxBlob2dRelation();

                            ~HxBlob2dRelation();

    int                     ident() const;

    void                    add(HxBlob2d* blob, HxBlob2dList rels);

    HxBlob2dListConstIter   getBlobBegin() const;

    HxBlob2dListConstIter   getBlobEnd() const;

    HxBlob2dList            findRelatedBlobs(HxBlob2d* blob);

    HxBlob2dListConstIter   findRelatedBlobsBegin(HxBlob2d* blob) const;

    HxBlob2dListConstIter   findRelatedBlobsEnd(HxBlob2d* blob) const;

    HxBlob2dListBackInserter findRelatedBlobsInserter(HxBlob2d* blob);


    STD_OSTREAM&            put(STD_OSTREAM& os) const;

private:
                            // forbid copy construction until it is implemented
                            HxBlob2dRelation(const HxBlob2dRelation&) {}

    typedef std::vector<HxBlob2dList> RelatedList;

    HxBlob2dList            _head;
    RelatedList             _tail;

    int                     _ident;    // unique identifier

    static int              _nr;
};

inline STD_OSTREAM&
operator<<(STD_OSTREAM& os, const HxBlob2dRelation& rel)
{
    return rel.put(os);
}

inline HxString
makeString(const HxBlob2dRelation& b)
{
    return HxString("HxBlob2dRelation") + makeString(b.ident());
}

#endif

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