GEOS
3.2.3
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00001 /********************************************************************** 00002 * $Id: WKBReader.h 2775 2009-12-03 19:38:12Z 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 * Last port: io/WKBReader.java rev. 1.1 (JTS-1.7) 00018 * 00019 **********************************************************************/ 00020 00021 #ifndef GEOS_IO_WKBREADER_H 00022 #define GEOS_IO_WKBREADER_H 00023 00024 #include <geos/export.h> 00025 00026 #include <geos/geom/GeometryFactory.h> 00027 #include <geos/io/ByteOrderDataInStream.h> // for composition 00028 00029 #include <iosfwd> // ostream, istream 00030 #include <vector> 00031 #include <string> 00032 00033 #define BAD_GEOM_TYPE_MSG "Bad geometry type encountered in" 00034 00035 00036 // Forward declarations 00037 namespace geos { 00038 namespace geom { 00039 00040 //class GeometryFactory; 00041 class Coordinate; 00042 class Geometry; 00043 class GeometryCollection; 00044 class Point; 00045 class LineString; 00046 class LinearRing; 00047 class Polygon; 00048 class MultiPoint; 00049 class MultiLineString; 00050 class MultiPolygon; 00051 class PrecisionModel; 00052 00053 } // namespace geom 00054 } // namespace geos 00055 00056 00057 namespace geos { 00058 namespace io { 00059 00076 class GEOS_DLL WKBReader { 00077 00078 public: 00079 00080 WKBReader(geom::GeometryFactory const& f): factory(f) {}; 00081 00083 WKBReader(); 00084 00093 geom::Geometry* read(std::istream &is); 00094 // throws IOException, ParseException 00095 00104 geom::Geometry *readHEX(std::istream &is); 00105 // throws IOException, ParseException 00106 00113 static std::ostream &printHEX(std::istream &is, std::ostream &os); 00114 00115 private: 00116 00117 const geom::GeometryFactory &factory; 00118 00119 // for now support the WKB standard only - may be generalized later 00120 unsigned int inputDimension; 00121 00122 ByteOrderDataInStream dis; 00123 00124 std::vector<double> ordValues; 00125 00126 geom::Geometry *readGeometry(); 00127 // throws IOException, ParseException 00128 00129 geom::Point *readPoint(); 00130 // throws IOException 00131 00132 geom::LineString *readLineString(); 00133 // throws IOException 00134 00135 geom::LinearRing *readLinearRing(); 00136 // throws IOException 00137 00138 geom::Polygon *readPolygon(); 00139 // throws IOException 00140 00141 geom::MultiPoint *readMultiPoint(); 00142 // throws IOException, ParseException 00143 00144 geom::MultiLineString *readMultiLineString(); 00145 // throws IOException, ParseException 00146 00147 geom::MultiPolygon *readMultiPolygon(); 00148 // throws IOException, ParseException 00149 00150 geom::GeometryCollection *readGeometryCollection(); 00151 // throws IOException, ParseException 00152 00153 geom::CoordinateSequence *readCoordinateSequence(int); // throws IOException 00154 00155 void readCoordinate(); // throws IOException 00156 00157 // Declare type as noncopyable 00158 WKBReader(const WKBReader& other); 00159 WKBReader& operator=(const WKBReader& rhs); 00160 }; 00161 00162 } // namespace io 00163 } // namespace geos 00164 00165 00166 #endif // #ifndef GEOS_IO_WKBREADER_H 00167 00168 /********************************************************************** 00169 * $Log$ 00170 * Revision 1.3 2006/06/01 11:49:36 strk 00171 * Reduced installed headers form geomgraph namespace 00172 * 00173 * Revision 1.2 2006/04/12 10:57:19 strk 00174 * Added WKBReader default ctor using default GeometryFactory instance 00175 * 00176 * Revision 1.1 2006/03/20 18:18:14 strk 00177 * io.h header split 00178 * 00179 **********************************************************************/