WKBReader.h

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/WKBReader.java rev. 1.1 (JTS-1.7)
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef GEOS_IO_WKBREADER_H
00021 #define GEOS_IO_WKBREADER_H
00022 
00023 #include <geos/export.h>
00024 
00025 #include <geos/geom/GeometryFactory.h>
00026 #include <geos/io/ByteOrderDataInStream.h> // for composition
00027 
00028 #include <iosfwd> // ostream, istream
00029 #include <vector>
00030 #include <string>
00031 
00032 #define BAD_GEOM_TYPE_MSG "Bad geometry type encountered in"
00033 
00034 #ifdef _MSC_VER
00035 #pragma warning(push)
00036 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
00037 #endif
00038 
00039 // Forward declarations
00040 namespace geos {
00041         namespace geom {
00042 
00043                 //class GeometryFactory;
00044                 class Coordinate;
00045                 class Geometry;
00046                 class GeometryCollection;
00047                 class Point;
00048                 class LineString;
00049                 class LinearRing;
00050                 class Polygon;
00051                 class MultiPoint;
00052                 class MultiLineString;
00053                 class MultiPolygon;
00054                 class PrecisionModel;
00055 
00056         } // namespace geom
00057 } // namespace geos
00058 
00059 
00060 namespace geos {
00061 namespace io {
00062 
00079 class GEOS_DLL WKBReader {
00080 
00081 public:
00082 
00083         WKBReader(geom::GeometryFactory const& f): factory(f) {}
00084 
00086         WKBReader();
00087 
00096         geom::Geometry* read(std::istream &is);
00097                 // throws IOException, ParseException
00098 
00107         geom::Geometry *readHEX(std::istream &is);
00108                 // throws IOException, ParseException
00109 
00116         static std::ostream &printHEX(std::istream &is, std::ostream &os);
00117  
00118 private:
00119 
00120         const geom::GeometryFactory &factory;
00121 
00122         // for now support the WKB standard only - may be generalized later
00123         unsigned int inputDimension;
00124 
00125         ByteOrderDataInStream dis;
00126 
00127         std::vector<double> ordValues;
00128 
00129         geom::Geometry *readGeometry();
00130                 // throws IOException, ParseException
00131 
00132         geom::Point *readPoint();
00133                 // throws IOException
00134 
00135         geom::LineString *readLineString();
00136                 // throws IOException
00137 
00138         geom::LinearRing *readLinearRing();
00139                 // throws IOException
00140 
00141         geom::Polygon *readPolygon();
00142                 // throws IOException
00143 
00144         geom::MultiPoint *readMultiPoint();
00145                 // throws IOException, ParseException
00146 
00147         geom::MultiLineString *readMultiLineString();
00148                 // throws IOException, ParseException
00149 
00150         geom::MultiPolygon *readMultiPolygon();
00151                 // throws IOException, ParseException
00152 
00153         geom::GeometryCollection *readGeometryCollection();
00154                 // throws IOException, ParseException
00155 
00156         geom::CoordinateSequence *readCoordinateSequence(int); // throws IOException
00157 
00158         void readCoordinate(); // throws IOException
00159 
00160     // Declare type as noncopyable
00161     WKBReader(const WKBReader& other);
00162     WKBReader& operator=(const WKBReader& rhs);
00163 };
00164 
00165 } // namespace io
00166 } // namespace geos
00167 
00168 #ifdef _MSC_VER
00169 #pragma warning(pop)
00170 #endif
00171 
00172 #endif // #ifndef GEOS_IO_WKBREADER_H

Generated on 10 Sep 2013 for GEOS by  doxygen 1.4.7