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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QSQL_IBASE_H
#define QSQL_IBASE_H

#include <QtSql/qsqlresult.h>
#include <QtSql/qsqldriver.h>
#include <QtSql/private/qsqlcachedresult_p.h>
#include <ibase.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE
class QIBaseDriverPrivate;
class QIBaseResultPrivate;
class QIBaseDriver;

class QIBaseResult : public QSqlCachedResult
{
    friend class QIBaseResultPrivate;

public:
    explicit QIBaseResult(const QIBaseDriver* db);
    virtual ~QIBaseResult();

    bool prepare(const QString& query);
    bool exec();
    QVariant handle() const;

protected:
    bool gotoNext(QSqlCachedResult::ValueCache& row, int rowIdx);
    bool reset (const QString& query);
    int size();
    int numRowsAffected();
    QSqlRecord record() const;

private:
    QIBaseResultPrivate* d;
};

class QIBaseDriver : public QSqlDriver
{
    Q_OBJECT
    friend class QIBaseDriverPrivate;
    friend class QIBaseResultPrivate;
public:
    explicit QIBaseDriver(QObject *parent = 0);
    explicit QIBaseDriver(isc_db_handle connection, QObject *parent = 0);
    virtual ~QIBaseDriver();
    bool hasFeature(DriverFeature f) const;
    bool open(const QString & db,
                   const QString & user,
                   const QString & password,
                   const QString & host,
                   int port,
                   const QString & connOpts);
    bool open(const QString & db,
            const QString & user,
            const QString & password,
            const QString & host,
            int port) { return open (db, user, password, host, port, QString()); }
    void close();
    QSqlResult *createResult() const;
    bool beginTransaction();
    bool commitTransaction();
    bool rollbackTransaction();
    QStringList tables(QSql::TableType) const;

    QSqlRecord record(const QString& tablename) const;
    QSqlIndex primaryIndex(const QString &table) const;

    QString formatValue(const QSqlField &field, bool trimStrings) const;
    QVariant handle() const;

    QString escapeIdentifier(const QString &identifier, IdentifierType type) const;

protected Q_SLOTS:
    bool subscribeToNotificationImplementation(const QString &name);
    bool unsubscribeFromNotificationImplementation(const QString &name);
    QStringList subscribedToNotificationsImplementation() const;

private Q_SLOTS:
    void qHandleEventNotification(void* updatedResultBuffer);

private:
    QIBaseDriverPrivate* d;
};

QT_END_NAMESPACE

QT_END_HEADER
#endif // QSQL_IBASE_H