qsparqlquerymodel_p.h

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**
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** Contact: Nokia Corporation (ivan.frade@nokia.com)
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** This file is part of the QtSparql module (not yet part of the Qt Toolkit).
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#ifndef QSPARQLQUERYMODEL_P_H
#define QSPARQLQUERYMODEL_P_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of qsparql*model.h .  This header file may change from version to version
// without notice, or even be removed.
//
// We mean it.
//
 
#include <qsparqlerror.h>
#include <qsparqlquery.h>
#include <qsparqlresultrow.h>
 
#include <QtCore/qhash.h>
#include <QtCore/qvarlengtharray.h>
#include <QtCore/qvector.h>
#include <QtCore/qabstractitemmodel.h>
#include "qsparqlquerymodel.h"
 
QT_BEGIN_NAMESPACE
 
class QSparqlQueryModel;
class QSparqlResult;
class QSparqlConnection;
 
class QSparqlQueryModelPrivate : public QObject
{
    Q_OBJECT
public:
    QSparqlQueryModelPrivate(QSparqlQueryModel* q_)
        : q(q_), result(0), connection(0), atEnd(false), newQuery(false) {}
    ~QSparqlQueryModelPrivate();
    void prefetch(int);
    void initColOffsets(int size);
 
    QSparqlQueryModel* q;
    mutable QSparqlQuery query;
    mutable QSparqlError error;
    mutable QSparqlResult *result;
    const QSparqlConnection* connection;
    QModelIndex bottom;
    QSparqlResultRow resultRow;
    uint atEnd : 1;
    QVector<QHash<int, QVariant> > headers;
    QVarLengthArray<int, 56> colOffsets; // used to calculate indexInQuery of columns
    bool newQuery;
    void beginQuery(int totalResults);
    void findRoleNames();
    QHash<int, QByteArray> roleNames;
 
public Q_SLOTS:
    void addData(int totalResults);
    void queryFinished();
};
 
QT_END_NAMESPACE
 
#endif // QSPARQLQUERYMODEL_P_H