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qassign.h
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qassign.h
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/*
* qassign.h
* This file is part of QtORM
*
* Copyright (C) 2012 - Denis Steckelmacher <steckdenis@yahoo.fr>
*
* QtORM is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* QtORM is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Logram; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef __QASSIGN_H__
#define __QASSIGN_H__
#include <QVariant>
class QF;
class QAssignPrivate;
class QSqlDriver;
class QAssign
{
public:
enum Operation
{
Add,
Sub,
Mul,
Div
};
public:
QAssign();
QAssign(const QAssign &other);
QAssign &operator=(const QAssign &other);
QAssign(const QVariant &value);
QAssign(const QF &f);
QAssign(QAssignPrivate *d);
virtual ~QAssign();
#if defined(__GXX_EXPERIMENTAL_CXX0X__)
inline QAssign(QAssign &&other)
{
d = other.d; other.d = nullptr;
}
inline QAssign &operator=(QAssign &&other)
{
if (this != &other)
{
d = other.d;
other.d = nullptr;
}
return *this;
}
#endif
bool isValid() const;
QAssign operator+(const QAssign &other);
QAssign operator-(const QAssign &other);
QAssign operator*(const QAssign &other);
QAssign operator/(const QAssign &other);
static QString operationStr(Operation op);
public:
QString sql(QSqlDriver *driver) const;
void bindValues(QVariantList &values) const;
private:
QAssignPrivate *d;
};
class QOpAssign : public QAssign
{
public:
QOpAssign(const QAssign &left, const QAssign &right, Operation op);
~QOpAssign();
};
#endif