view common/EditDistance.h @ 16:cb315ba61e03 classical-rdf

* Introduce a not very good typing matcher

#ifndef _EDIT_DISTANCE_H_
#define _EDIT_DISTANCE_H_

#include <alloca.h>

#include <QString>

namespace ClassicalData {

class EditDistance
{
public:
    enum TranspositionMode {
	NoTransposition,
	RestrictedTransposition
    };

    EditDistance(TranspositionMode tm = RestrictedTransposition,
		 int editPenalty = 1,   //!!! probably better to lose this
		 int suffixPenalty = 1, //!!! probably better to lose this
		 bool normalise = true) :
	m_transpositionMode(tm),
	m_editPenalty(editPenalty),
	m_suffixPenalty(suffixPenalty),
	m_normalise(normalise) { }

    int calculate(QString a, QString b, int threshold = 0);

private:
    TranspositionMode m_transpositionMode;
    int m_editPenalty;
    int m_suffixPenalty;
    bool m_normalise;
};

}

#endif