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

 *

 * GEOS - Geometry Engine Open Source

 * http://geos.osgeo.org

 *

 * Copyright (C) 2005-2006 Refractions Research Inc.

 * Copyright (C) 2001-2002 Vivid Solutions Inc.

 *

 * This is free software; you can redistribute and/or modify it under

 * the terms of the GNU Lesser General Public Licence as published

 * by the Free Software Foundation.

 * See the COPYING file for more information.

 *

 **********************************************************************

 *

 * Last port: io/WKTReader.java rev. 1.1 (JTS-1.7)

 *

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

#pragma once

#include <geos/export.h>

#include <geos/geom/GeometryFactory.h>

#include <geos/geom/Geometry.h>

#include <geos/io/ParseException.h>

#include <geos/io/OrdinateSet.h>

#include <string>

// Forward declarations

namespace geos {

namespace io {

class StringTokenizer;

}

namespace geom {

class Coordinate;

class CoordinateSequence;

class GeometryCollection;

class Point;

class LineString;

class LinearRing;

class CircularString;

class CompoundCurve;

class Polygon;

class CurvePolygon;

class MultiPoint;

class MultiLineString;

class MultiCurve;

class MultiPolygon;

class MultiSurface;

class PrecisionModel;

}

}

namespace geos {

namespace io {

/**

 * \class WKTReader

 * \brief WKT parser class; see also WKTWriter.

 */

class GEOS_DLL WKTReader {

public:

    /**

     * \brief Initialize parser with given GeometryFactory.

     *

     * Note that all Geometry objects created by the

     * parser will contain a pointer to the given factory

     * so be sure you'll keep the factory alive for the

     * whole WKTReader and created Geometry life.

     */

    explicit WKTReader(const geom::GeometryFactory& gf)

        : geometryFactory(&gf)

        , precisionModel(gf.getPrecisionModel())

        , fixStructure(false)

        {};

        /** @deprecated in 3.4.0 */

    explicit WKTReader(const geom::GeometryFactory* gf)

        : geometryFactory(gf)

        , precisionModel(gf->getPrecisionModel())

        , fixStructure(false)

        {};

    /**

     * \brief Initialize parser with default GeometryFactory.

     *

     */

    WKTReader()

        : geometryFactory(geom::GeometryFactory::getDefaultInstance())

        , precisionModel(geometryFactory->getPrecisionModel())

        , fixStructure(false)

        {};

    ~WKTReader() {};

    void

    setFixStructure(bool doFixStructure) {

        fixStructure = doFixStructure;

    }

    /// Parse a WKT string returning a Geometry

    template<typename T>

    std::unique_ptr<T> read(const std::string& wkt) const {

        auto g = read(wkt);

        auto gt = dynamic_cast<const T*>(g.get());

        if (!gt) {

            // Can improve this message once there's a good way to get a string repr of T

            throw io::ParseException("Unexpected WKT type");

        }

        return std::unique_ptr<T>(static_cast<T*>(g.release()));

    }

    std::unique_ptr<geom::Geometry> read(const std::string& wellKnownText) const;

    std::unique_ptr<geom::CoordinateSequence> readCoordinates(const std::string& wellKnownText) const;

protected:

    std::unique_ptr<geom::CoordinateSequence> getCoordinates(io::StringTokenizer* tokenizer, OrdinateSet& ordinates) const;

    static double getNextNumber(io::StringTokenizer* tokenizer);

    static std::string getNextEmptyOrOpener(io::StringTokenizer* tokenizer, OrdinateSet& dim);

    static std::string getNextCloserOrComma(io::StringTokenizer* tokenizer);

    static std::string getNextCloser(io::StringTokenizer* tokenizer);

    static std::string getNextWord(io::StringTokenizer* tokenizer);

    std::unique_ptr<geom::Geometry> readGeometryTaggedText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags, const geom::GeometryTypeId* emptyType = nullptr) const;

    std::unique_ptr<geom::Point> readPointText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::LineString> readLineStringText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::LinearRing> readLinearRingText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::MultiPoint> readMultiPointText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::Polygon> readPolygonText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::MultiLineString> readMultiLineStringText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::MultiPolygon> readMultiPolygonText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::GeometryCollection> readGeometryCollectionText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::CircularString> readCircularStringText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::CompoundCurve> readCompoundCurveText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::CurvePolygon> readCurvePolygonText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::MultiCurve> readMultiCurveText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    std::unique_ptr<geom::MultiSurface> readMultiSurfaceText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    /// Read the contents of a LINEARRING, LINESTRING, CIRCULARSTRING, or COMPOUNDCURVE

    std::unique_ptr<geom::Curve> readCurveText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

    /// Read the contents of a POLYGON or a CURVEPOLYGON

    std::unique_ptr<geom::Geometry> readSurfaceText(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags) const;

private:

    const geom::GeometryFactory* geometryFactory;

    const geom::PrecisionModel* precisionModel;

    bool fixStructure;

    void getPreciseCoordinate(io::StringTokenizer* tokenizer, OrdinateSet& ordinateFlags, geom::CoordinateXYZM&) const;

    static bool isNumberNext(io::StringTokenizer* tokenizer);

    static bool isOpenerNext(io::StringTokenizer* tokenizer);

    static void readOrdinateFlags(const std::string & s, OrdinateSet& ordinateFlags);

    static bool isTypeName(const std::string & type, const std::string & typeName);

};

} // namespace io

} // namespace geos