geomgraph/NodeMap.h

/**********************************************************************
 * $Id: NodeMap.h 2557 2009-06-08 09:30:55Z strk $
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.refractions.net
 *
 * Copyright (C) 2005-2006 Refractions Research Inc.
 * Copyright (C) 2001-2002 Vivid Solutions Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation. 
 * See the COPYING file for more information.
 *
 **********************************************************************
 *
 * Last port: geomgraph/NodeMap.java rev. 1.3 (JTS-1.10)
 *
 **********************************************************************/


#ifndef GEOS_GEOMGRAPH_NODEMAP_H
#define GEOS_GEOMGRAPH_NODEMAP_H

#include <geos/export.h>
#include <map>
#include <vector>
#include <string>

#include <geos/geom/Coordinate.h> // for CoordinateLessThen
#include <geos/geomgraph/Node.h> // for testInvariant

#include <geos/inline.h>

// Forward declarations
namespace geos {
        namespace geomgraph {
                class Node;
                class EdgeEnd;
                class NodeFactory;
        }
}

namespace geos {
namespace geomgraph { // geos.geomgraph

class GEOS_DLL NodeMap{
public:

        typedef std::map<geom::Coordinate*,Node*,geom::CoordinateLessThen> container;

        typedef container::iterator iterator;

        typedef container::const_iterator const_iterator;

        typedef std::pair<geom::Coordinate*,Node*> pair;

        container nodeMap;

        const NodeFactory &nodeFact;

        NodeMap(const NodeFactory &newNodeFact);

        virtual ~NodeMap();

        Node* addNode(const geom::Coordinate& coord);

        Node* addNode(Node *n);

        void add(EdgeEnd *e);

        Node *find(const geom::Coordinate& coord) const;

        const_iterator begin() const { return nodeMap.begin(); }

        const_iterator end() const { return nodeMap.end(); }

        iterator begin() { return nodeMap.begin(); }

        iterator end() { return nodeMap.end(); }

        void getBoundaryNodes(int geomIndex,
                std::vector<Node*>&bdyNodes) const;

        std::string print() const;

        void testInvariant()
        {
#ifndef NDEBUG
                // Each Coordinate key is a pointer inside the Node value
                for (iterator it=begin(), itEnd=end(); it != itEnd; ++it)
                {
                        pair p = *it;
                        geomgraph::Node* n = p.second;
                        geom::Coordinate* c = const_cast<geom::Coordinate*>(
                                &(n->getCoordinate())
                        );
                        assert(p.first == c);
                }
#endif
        }
};

} // namespace geos.geomgraph
} // namespace geos

//#ifdef GEOS_INLINE
//# include "geos/geomgraph/NodeMap.inl"
//#endif

#endif // ifndef GEOS_GEOMGRAPH_NODEMAP_H

/**********************************************************************
 * $Log$
 * Revision 1.3  2006/05/04 12:54:26  strk
 * Added invariant tester for NodeMap class, fixed comment about ownership of NodeFactory
 *
 * Revision 1.2  2006/03/24 09:52:41  strk
 * USE_INLINE => GEOS_INLINE
 *
 * Revision 1.1  2006/03/09 16:46:49  strk
 * geos::geom namespace definition, first pass at headers split
 *
 **********************************************************************/

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