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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 QSQLNULLDRIVER_P_H
+#define QSQLNULLDRIVER_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. This header file may
+// change from version to version without notice, or even be
+// removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qvariant.h"
+#include "QtSql/qsqldriver.h"
+#include "QtSql/qsqlerror.h"
+#include "QtSql/qsqlresult.h"
+
+QT_BEGIN_NAMESPACE
+
+class QSqlNullResult : public QSqlResult
+{
+public:
+ inline explicit QSqlNullResult(const QSqlDriver* d): QSqlResult(d)
+ { QSqlResult::setLastError(
+ QSqlError(QLatin1String("Driver not loaded"), QLatin1String("Driver not loaded"), QSqlError::ConnectionError)); }
+protected:
+ inline QVariant data(int) { return QVariant(); }
+ inline bool reset (const QString&) { return false; }
+ inline bool fetch(int) { return false; }
+ inline bool fetchFirst() { return false; }
+ inline bool fetchLast() { return false; }
+ inline bool isNull(int) { return false; }
+ inline int size() { return -1; }
+ inline int numRowsAffected() { return 0; }
+
+ inline void setAt(int) {}
+ inline void setActive(bool) {}
+ inline void setLastError(const QSqlError&) {}
+ inline void setQuery(const QString&) {}
+ inline void setSelect(bool) {}
+ inline void setForwardOnly(bool) {}
+
+ inline bool exec() { return false; }
+ inline bool prepare(const QString&) { return false; }
+ inline bool savePrepare(const QString&) { return false; }
+ inline void bindValue(int, const QVariant&, QSql::ParamType) {}
+ inline void bindValue(const QString&, const QVariant&, QSql::ParamType) {}
+};
+
+class QSqlNullDriver : public QSqlDriver
+{
+public:
+ inline QSqlNullDriver(): QSqlDriver()
+ { QSqlDriver::setLastError(
+ QSqlError(QLatin1String("Driver not loaded"), QLatin1String("Driver not loaded"), QSqlError::ConnectionError)); }
+ inline bool hasFeature(DriverFeature) const { return false; }
+ inline bool open(const QString &, const QString & , const QString & ,
+ const QString &, int, const QString&)
+ { return false; }
+ inline void close() {}
+ inline QSqlResult *createResult() const { return new QSqlNullResult(this); }
+
+protected:
+ inline void setOpen(bool) {}
+ inline void setOpenError(bool) {}
+ inline void setLastError(const QSqlError&) {}
+};
+
+QT_END_NAMESPACE
+
+#endif // QSQLNULLDRIVER_P_H