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#ifndef QHELPSEARCHINDEXREADER_H
#define QHELPSEARCHINDEXREADER_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the help generator tools. This header file may change from version
// to version without notice, or even be removed.
//
// We mean it.
//

#include "qhelpsearchengine.h"

#include <QtCore/QList>
#include <QtCore/QMutex>
#include <QtCore/QObject>
#include <QtCore/QString>
#include <QtCore/QThread>
#include <QtCore/QWaitCondition>

QT_BEGIN_NAMESPACE

class QHelpEngineCore;

namespace fulltextsearch {

class QHelpSearchIndexReader : public QThread
{
    Q_OBJECT

public:
    QHelpSearchIndexReader();
    ~QHelpSearchIndexReader();

    void cancelSearching();
    void search(const QString &collectionFile,
        const QString &indexFilesFolder,
        const QList<QHelpSearchQuery> &queryList);
    int hitCount() const;
    QList<QHelpSearchEngine::SearchHit> hits(int start, int end) const;

signals:
    void searchingStarted();
    void searchingFinished(int hits);

protected:
    mutable QMutex mutex;
    QList<QHelpSearchEngine::SearchHit> hitList;
    bool m_cancel;
    QString m_collectionFile;
    QList<QHelpSearchQuery> m_query;
    QString m_indexFilesFolder;

private:
    virtual void run()=0;
};

}   // namespace fulltextsearch

QT_END_NAMESPACE

#endif  // QHELPSEARCHINDEXREADER_H