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# WKBReader.h

    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  **********************************************************************/