geomgraph/NodeMap.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * 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>
 
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
#endif
 
// 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
        }
 
private:
 
    // Declare type as noncopyable
    NodeMap(const NodeMap& other);
    NodeMap& operator=(const NodeMap& rhs);
};
 
} // namespace geos.geomgraph
} // namespace geos
 
#ifdef _MSC_VER
#pragma warning(pop)
#endif
 
#endif // ifndef GEOS_GEOMGRAPH_NODEMAP_H