IMPatternMatcher.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (c) 2024 Martin Davis
 * Copyright (C) 2024 Paul Ramsey <pramsey@cleverelephant.ca>
 *
 * 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.
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/geom/Location.h>
#include <geos/geom/Dimension.h>
#include <geos/geom/IntersectionMatrix.h>
#include <geos/operation/relateng/IMPredicate.h>
#include <geos/export.h>
 
#include <memory>
#include <vector>
 
// Forward declarations
namespace geos {
namespace geom {
    class Envelope;
}
}
 
namespace geos {      // geos.
namespace operation { // geos.operation.
namespace relateng {  // geos.operation.relateng
 
 
class GEOS_DLL IMPatternMatcher : public IMPredicate {
    using Envelope = geos::geom::Envelope;
    using Location = geos::geom::Location;
    using Dimension = geos::geom::Dimension;
    using IntersectionMatrix = geos::geom::IntersectionMatrix;
 
private:
 
    std::string imPattern;
    IntersectionMatrix patternMatrix;
 
    static bool requireInteraction(const IntersectionMatrix& im);
 
    static bool isInteraction(int imDim);
 
 
public:
 
    IMPatternMatcher(std::string p_imPattern)
        : imPattern(p_imPattern)
        , patternMatrix(p_imPattern)
        {};
 
    std::string name() const override;
 
    using IMPredicate::init;
    void init(const Envelope& envA, const Envelope& envB) override;
 
    bool requireInteraction() const override;
 
    bool isDetermined() const override;
 
    bool valueIM() override;
 
    std::string toString() const;
 
    friend std::ostream& operator<<(std::ostream& os, const IMPatternMatcher& imp);
 
};
 
 
} // namespace geos.operation.relateng
} // namespace geos.operation
} // namespace geos