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#ifndef SIMTEXTH_H

#define SIMTEXTH_H

const int textSimilarityThreshold = 190;

#include <QString>

#include <QList>

QT_BEGIN_NAMESPACE

class Translator;

struct Candidate

{

    Candidate() {}

    Candidate(const QString& source0, const QString &target0)

	: source(source0), target(target0)

    {}

    QString source;

    QString target;

};

inline bool operator==( const Candidate& c, const Candidate& d ) {

    return c.target == d.target && c.source == d.source;

}

inline bool operator!=( const Candidate& c, const Candidate& d ) {

    return !operator==( c, d );

}

typedef QList<Candidate> CandidateList;

struct CoMatrix;

/**

 * This class is more efficient for searching through a large array of candidate strings, since we only

 * have to construct the CoMatrix for the \a stringToMatch once,

 * after that we just call getSimilarityScore(strCandidate).

 * \sa getSimilarityScore

 */

class StringSimilarityMatcher {

public:

    StringSimilarityMatcher(const QString &stringToMatch);

    ~StringSimilarityMatcher();

    int getSimilarityScore(const QString &strCandidate);

private:

    CoMatrix *m_cm;

    int m_length;

};

int getSimilarityScore(const QString &str1, const QString &str2);

CandidateList similarTextHeuristicCandidates( const Translator *tor,

					      const QString &text,

					      int maxCandidates );

QT_END_NAMESPACE

#endif