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121 lines
3.7 KiB
C++
121 lines
3.7 KiB
C++
/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2005-2006 Refractions Research Inc.
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* Copyright (C) 2001-2002 Vivid Solutions Inc.
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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**********************************************************************
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*
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* Last port: io/WKTReader.java rev. 1.1 (JTS-1.7)
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*
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**********************************************************************/
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#ifndef GEOS_IO_WKTREADER_H
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#define GEOS_IO_WKTREADER_H
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#include <geos/export.h>
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#include <geos/geom/GeometryFactory.h>
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#include <geos/geom/CoordinateSequence.h>
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#include <geos/geom/Geometry.h>
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#include <string>
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// Forward declarations
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namespace geos {
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namespace io {
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class StringTokenizer;
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}
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namespace geom {
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class Coordinate;
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class GeometryCollection;
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class Point;
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class LineString;
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class LinearRing;
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class Polygon;
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class MultiPoint;
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class MultiLineString;
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class MultiPolygon;
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class PrecisionModel;
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}
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}
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namespace geos {
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namespace io {
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/**
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* \class WKTReader
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* \brief WKT parser class; see also WKTWriter.
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*/
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class GEOS_DLL WKTReader {
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public:
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//WKTReader();
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/**
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* \brief Inizialize parser with given GeometryFactory.
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*
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* Note that all Geometry objects created by the
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* parser will contain a pointer to the given factory
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* so be sure you'll keep the factory alive for the
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* whole WKTReader and created Geometry life.
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*/
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WKTReader(const geom::GeometryFactory& gf);
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/** @deprecated in 3.4.0 */
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WKTReader(const geom::GeometryFactory* gf);
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/**
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* \brief Inizialize parser with default GeometryFactory.
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*
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*/
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WKTReader();
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~WKTReader();
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/// Parse a WKT string returning a Geometry
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std::unique_ptr<geom::Geometry> read(const std::string& wellKnownText);
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// Geometry* read(Reader& reader); //Not implemented yet
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protected:
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std::unique_ptr<geom::CoordinateSequence> getCoordinates(io::StringTokenizer* tokenizer);
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double getNextNumber(io::StringTokenizer* tokenizer);
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std::string getNextEmptyOrOpener(io::StringTokenizer* tokenizer, std::size_t& dim);
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std::string getNextCloserOrComma(io::StringTokenizer* tokenizer);
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std::string getNextCloser(io::StringTokenizer* tokenizer);
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std::string getNextWord(io::StringTokenizer* tokenizer);
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std::unique_ptr<geom::Geometry> readGeometryTaggedText(io::StringTokenizer* tokenizer);
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std::unique_ptr<geom::Point> readPointText(io::StringTokenizer* tokenizer);
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std::unique_ptr<geom::LineString> readLineStringText(io::StringTokenizer* tokenizer);
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std::unique_ptr<geom::LinearRing> readLinearRingText(io::StringTokenizer* tokenizer);
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std::unique_ptr<geom::MultiPoint> readMultiPointText(io::StringTokenizer* tokenizer);
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std::unique_ptr<geom::Polygon> readPolygonText(io::StringTokenizer* tokenizer);
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std::unique_ptr<geom::MultiLineString> readMultiLineStringText(io::StringTokenizer* tokenizer);
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std::unique_ptr<geom::MultiPolygon> readMultiPolygonText(io::StringTokenizer* tokenizer);
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std::unique_ptr<geom::GeometryCollection> readGeometryCollectionText(io::StringTokenizer* tokenizer);
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private:
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const geom::GeometryFactory* geometryFactory;
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const geom::PrecisionModel* precisionModel;
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void getPreciseCoordinate(io::StringTokenizer* tokenizer, geom::Coordinate&, std::size_t& dim);
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bool isNumberNext(io::StringTokenizer* tokenizer);
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};
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} // namespace io
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} // namespace geos
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#ifdef GEOS_INLINE
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# include <geos/io/WKTReader.inl>
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#endif
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#endif // #ifndef GEOS_IO_WKTREADER_H
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