GEOS
3.4.2
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00001 /********************************************************************** 00002 * 00003 * GEOS - Geometry Engine Open Source 00004 * http://geos.osgeo.org 00005 * 00006 * Copyright (C) 2005-2006 Refractions Research Inc. 00007 * Copyright (C) 2001-2002 Vivid Solutions 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 * Last port: io/WKTReader.java rev. 1.1 (JTS-1.7) 00017 * 00018 **********************************************************************/ 00019 00020 #ifndef GEOS_IO_WKTREADER_H 00021 #define GEOS_IO_WKTREADER_H 00022 00023 #include <geos/export.h> 00024 00025 #include <geos/geom/GeometryFactory.h> 00026 #include <geos/geom/CoordinateSequence.h> 00027 #include <string> 00028 00029 // Forward declarations 00030 namespace geos { 00031 namespace io { 00032 class StringTokenizer; 00033 } 00034 namespace geom { 00035 00036 class Coordinate; 00037 class Geometry; 00038 class GeometryCollection; 00039 class Point; 00040 class LineString; 00041 class LinearRing; 00042 class Polygon; 00043 class MultiPoint; 00044 class MultiLineString; 00045 class MultiPolygon; 00046 class PrecisionModel; 00047 } 00048 } 00049 00050 00051 namespace geos { 00052 namespace io { 00053 00058 class GEOS_DLL WKTReader { 00059 public: 00060 //WKTReader(); 00061 00070 WKTReader(const geom::GeometryFactory &gf); 00071 00073 WKTReader(const geom::GeometryFactory *gf); 00074 00079 WKTReader(); 00080 00081 ~WKTReader(); 00082 00084 geom::Geometry* read(const std::string &wellKnownText); 00085 00086 // Geometry* read(Reader& reader); //Not implemented yet 00087 00088 protected: 00089 geom::CoordinateSequence* getCoordinates(io::StringTokenizer *tokenizer); 00090 double getNextNumber(io::StringTokenizer *tokenizer); 00091 std::string getNextEmptyOrOpener(io::StringTokenizer *tokenizer); 00092 std::string getNextCloserOrComma(io::StringTokenizer *tokenizer); 00093 std::string getNextCloser(io::StringTokenizer *tokenizer); 00094 std::string getNextWord(io::StringTokenizer *tokenizer); 00095 geom::Geometry* readGeometryTaggedText(io::StringTokenizer *tokenizer); 00096 geom::Point* readPointText(io::StringTokenizer *tokenizer); 00097 geom::LineString* readLineStringText(io::StringTokenizer *tokenizer); 00098 geom::LinearRing* readLinearRingText(io::StringTokenizer *tokenizer); 00099 geom::MultiPoint* readMultiPointText(io::StringTokenizer *tokenizer); 00100 geom::Polygon* readPolygonText(io::StringTokenizer *tokenizer); 00101 geom::MultiLineString* readMultiLineStringText(io::StringTokenizer *tokenizer); 00102 geom::MultiPolygon* readMultiPolygonText(io::StringTokenizer *tokenizer); 00103 geom::GeometryCollection* readGeometryCollectionText(io::StringTokenizer *tokenizer); 00104 private: 00105 const geom::GeometryFactory *geometryFactory; 00106 const geom::PrecisionModel *precisionModel; 00107 00108 void getPreciseCoordinate(io::StringTokenizer *tokenizer, geom::Coordinate&, std::size_t &dim ); 00109 00110 bool isNumberNext(io::StringTokenizer *tokenizer); 00111 }; 00112 00113 } // namespace io 00114 } // namespace geos 00115 00116 #ifdef GEOS_INLINE 00117 # include <geos/io/WKTReader.inl> 00118 #endif 00119 00120 #endif // #ifndef GEOS_IO_WKTREADER_H