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# WKTReader.h

    00001 /**********************************************************************
    00002  * $Id: WKTReader.h 2579 2009-06-15 14:03:52Z strk $
    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/WKTReader.java rev. 1.1 (JTS-1.7)
    00018  *
    00019  **********************************************************************/
    00020
    00021 #ifndef GEOS_IO_WKTREADER_H
    00022 #define GEOS_IO_WKTREADER_H
    00023
    00024 #include <geos/export.h>
    00025
    00026 #include <geos/geom/GeometryFactory.h>
    00027 #include <geos/geom/CoordinateSequence.h>
    00028 #include <string>
    00029
    00030 // Forward declarations
    00031 namespace geos {
    00032         namespace io {
    00033                 class StringTokenizer;
    00034         }
    00035         namespace geom {
    00036
    00037                 class Coordinate;
    00038                 class Geometry;
    00039                 class GeometryCollection;
    00040                 class Point;
    00041                 class LineString;
    00042                 class LinearRing;
    00043                 class Polygon;
    00044                 class MultiPoint;
    00045                 class MultiLineString;
    00046                 class MultiPolygon;
    00047                 class PrecisionModel;
    00048         }
    00049 }
    00050
    00051
    00052 namespace geos {
    00053 namespace io {
    00054
    00059 class GEOS_DLL WKTReader {
    00060 public:
    00061         //WKTReader();
    00062
    00071         WKTReader(const geom::GeometryFactory *gf);
    00072
    00077         WKTReader();
    00078
    00079         ~WKTReader();
    00080
    00082         geom::Geometry* read(const std::string &wellKnownText);
    00083
    00084 //      Geometry* read(Reader& reader); //Not implemented yet
    00085
    00086 protected:
    00087         geom::CoordinateSequence* getCoordinates(io::StringTokenizer *tokenizer);
    00088         double getNextNumber(io::StringTokenizer *tokenizer);
    00089         std::string getNextEmptyOrOpener(io::StringTokenizer *tokenizer);
    00090         std::string getNextCloserOrComma(io::StringTokenizer *tokenizer);
    00091         std::string getNextCloser(io::StringTokenizer *tokenizer);
    00092         std::string getNextWord(io::StringTokenizer *tokenizer);
    00093         geom::Geometry* readGeometryTaggedText(io::StringTokenizer *tokenizer);
    00094         geom::Point* readPointText(io::StringTokenizer *tokenizer);
    00095         geom::LineString* readLineStringText(io::StringTokenizer *tokenizer);
    00096         geom::LinearRing* readLinearRingText(io::StringTokenizer *tokenizer);
    00097         geom::MultiPoint* readMultiPointText(io::StringTokenizer *tokenizer);
    00098         geom::Polygon* readPolygonText(io::StringTokenizer *tokenizer);
    00099         geom::MultiLineString* readMultiLineStringText(io::StringTokenizer *tokenizer);
    00100         geom::MultiPolygon* readMultiPolygonText(io::StringTokenizer *tokenizer);
    00101         geom::GeometryCollection* readGeometryCollectionText(io::StringTokenizer *tokenizer);
    00102 private:
    00103         const geom::GeometryFactory *geometryFactory;
    00104         const geom::PrecisionModel *precisionModel;
    00105
    00106         void getPreciseCoordinate(io::StringTokenizer *tokenizer, geom::Coordinate&);
    00107
    00108         bool isNumberNext(io::StringTokenizer *tokenizer);
    00109 };
    00110
    00111 } // namespace io
    00112 } // namespace geos
    00113
    00114 #ifdef GEOS_INLINE
    00115 # include <geos/io/WKTReader.inl>
    00116 #endif
    00117
    00118 #endif // #ifndef GEOS_IO_WKTREADER_H
    00119
    00120 /**********************************************************************
    00121  * $Log$
    00122  * Revision 1.6  2006/04/10 13:40:14  strk
    00123  * Added default ctor for WKTReader (using GeometryFactory's default instance)
    00124  *
    00125  * Revision 1.5  2006/04/10 12:05:35  strk
    00126  * Added inline-replicator implementation files to make sure
    00127  * functions in .inl files are still available out-of-line.
    00128  * A side effect is this should fix MingW build.
    00129  *
    00130  * Revision 1.4  2006/03/30 09:26:36  strk
    00131  * minor cleanup
    00132  *
    00133  * Revision 1.3  2006/03/24 09:52:41  strk
    00134  * USE_INLINE => GEOS_INLINE
    00135  *
    00136  * Revision 1.2  2006/03/22 16:58:35  strk
    00137  * Removed (almost) all inclusions of geom.h.
    00138  * Removed obsoleted .cpp files.
    00139  * Fixed a bug in WKTReader not using the provided CoordinateSequence
    00140  * implementation, optimized out some memory allocations.
    00141  *
    00142  * Revision 1.1  2006/03/20 18:18:15  strk
    00143  * io.h header split
    00144  *
    00145  **********************************************************************/