/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtSql module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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 1.1, 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. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
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** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#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 |