NodeMap.h

00001 /**********************************************************************
00002  *
00003  * GEOS - Geometry Engine Open Source
00004  * http://geos.osgeo.org
00005  *
00006  * Copyright (C) 2001-2002 Vivid Solutions Inc.
00007  * Copyright (C) 2005-2006 Refractions Research Inc.
00008  *
00009  * This is free software; you can redistribute and/or modify it under
00010  * the terms of the GNU Lesser General Public Licence as published
00011  * by the Free Software Foundation. 
00012  * See the COPYING file for more information.
00013  *
00014  **********************************************************************/
00015 
00016 #ifndef GEOS_PLANARGRAPH_NODEMAP_H
00017 #define GEOS_PLANARGRAPH_NODEMAP_H
00018 
00019 #include <geos/export.h>
00020 #include <geos/geom/Coordinate.h> // for use in container
00021 
00022 #include <map>
00023 #include <vector>
00024 
00025 #ifdef _MSC_VER
00026 #pragma warning(push)
00027 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
00028 #endif
00029 
00030 // Forward declarations
00031 namespace geos {
00032         namespace planargraph { 
00033                 class DirectedEdgeStar;
00034                 class DirectedEdge;
00035                 class Edge;
00036                 class Node;
00037         }
00038 }
00039 
00040 namespace geos {
00041 namespace planargraph { // geos.planargraph
00042 
00048 class GEOS_DLL NodeMap {
00049 public:
00050         typedef std::map<geom::Coordinate, Node*, geom::CoordinateLessThen> container;
00051 private:
00052         container nodeMap;
00053 public:  
00057         NodeMap();
00058 
00059         container& getNodeMap();
00060 
00061         virtual ~NodeMap();
00062 
00069         Node* add(Node *n);
00070 
00076         Node* remove(geom::Coordinate& pt);
00077 
00083         Node* find(const geom::Coordinate& coord);
00084 
00091         container::iterator iterator() {
00092                 return nodeMap.begin();
00093         }
00094 
00095         container::iterator begin() {
00096                 return nodeMap.begin();
00097         }
00098         container::const_iterator begin() const {
00099                 return nodeMap.begin();
00100         }
00101 
00102         container::iterator end() {
00103                 return nodeMap.end();
00104         }
00105         container::const_iterator end() const {
00106                 return nodeMap.end();
00107         }
00108 
00116         void getNodes(std::vector<Node*>& nodes);
00117 };
00118 
00119 
00120 } // namespace geos::planargraph
00121 } // namespace geos
00122 
00123 #ifdef _MSC_VER
00124 #pragma warning(pop)
00125 #endif
00126 
00127 #endif // GEOS_PLANARGRAPH_NODEMAP_H

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