GEOS: NodeMap.h Source File

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# NodeMap.h

    00001 /**********************************************************************
    00002  * $Id: NodeMap.h 1820 2006-09-06 16:54:23Z mloskot $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2005-2006 Refractions Research Inc.
    00008  * Copyright (C) 2001-2002 Vivid Solutions Inc.
    00009  *
    00010  * This is free software; you can redistribute and/or modify it under
    00011  * the terms of the GNU Lesser General Public Licence as published
    00012  * by the Free Software Foundation.
    00013  * See the COPYING file for more information.
    00014  *
    00015  **********************************************************************/
    00016
    00017
    00018 #ifndef GEOS_GEOMGRAPH_NODEMAP_H
    00019 #define GEOS_GEOMGRAPH_NODEMAP_H
    00020
    00021 #include <map>
    00022 #include <vector>
    00023 #include <string>
    00024
    00025 #include <geos/geom/Coordinate.h> // for CoordinateLessThen
    00026 #include <geos/geomgraph/Node.h> // for testInvariant
    00027
    00028 #include <geos/inline.h>
    00029
    00030 // Forward declarations
    00031 namespace geos {
    00032         namespace geomgraph {
    00033                 class Node;
    00034                 class EdgeEnd;
    00035                 class NodeFactory;
    00036         }
    00037 }
    00038
    00039 namespace geos {
    00040 namespace geomgraph { // geos.geomgraph
    00041
    00042 class NodeMap{
    00043 public:
    00044
    00045         typedef std::map<geom::Coordinate*,Node*,geom::CoordinateLessThen> container;
    00046
    00047         typedef container::iterator iterator;
    00048
    00049         typedef container::const_iterator const_iterator;
    00050
    00051         typedef std::pair<geom::Coordinate*,Node*> pair;
    00052
    00053         container nodeMap;
    00054
    00055         const NodeFactory &nodeFact;
    00056
    00060         NodeMap(const NodeFactory &newNodeFact);
    00061
    00062         virtual ~NodeMap();
    00063
    00064         Node* addNode(const geom::Coordinate& coord);
    00065
    00066         Node* addNode(Node *n);
    00067
    00068         void add(EdgeEnd *e);
    00069
    00070         Node *find(const geom::Coordinate& coord) const;
    00071
    00072         const_iterator begin() const { return nodeMap.begin(); }
    00073
    00074         const_iterator end() const { return nodeMap.end(); }
    00075
    00076         iterator begin() { return nodeMap.begin(); }
    00077
    00078         iterator end() { return nodeMap.end(); }
    00079
    00080         void getBoundaryNodes(int geomIndex,
    00081                 std::vector<Node*>&bdyNodes) const;
    00082
    00083         std::string print() const;
    00084
    00085         void testInvariant()
    00086         {
    00087 #ifndef NDEBUG
    00088                 // Each Coordinate key is a pointer inside the Node value
    00089                 for (iterator it=begin(), itEnd=end(); it != itEnd; ++it)
    00090                 {
    00091                         pair p = *it;
    00092                         geomgraph::Node* n = p.second;
    00093                         geom::Coordinate* c = const_cast<geom::Coordinate*>(
    00094                                 &(n->getCoordinate())
    00095                         );
    00096                         assert(p.first == c);
    00097                 }
    00098 #endif
    00099         }
    00100 };
    00101
    00102 } // namespace geos.geomgraph
    00103 } // namespace geos
    00104
    00105 //#ifdef GEOS_INLINE
    00106 //# include "geos/geomgraph/NodeMap.inl"
    00107 //#endif
    00108
    00109 #endif // ifndef GEOS_GEOMGRAPH_NODEMAP_H
    00110
    00111 /**********************************************************************
    00112  * $Log$
    00113  * Revision 1.3  2006/05/04 12:54:26  strk
    00114  * Added invariant tester for NodeMap class, fixed comment about ownership of NodeFactory
    00115  *
    00116  * Revision 1.2  2006/03/24 09:52:41  strk
    00117  * USE_INLINE => GEOS_INLINE
    00118  *
    00119  * Revision 1.1  2006/03/09 16:46:49  strk
    00120  * geos::geom namespace definition, first pass at headers split
    00121  *
    00122  **********************************************************************/
    00123