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/*
* This file is part of Magellan <http://www.kAlliance.org/Magellan>
*
* Copyright (c) 1998-2000 Teodor Mihai <teddy@ireland.com>
* Copyright (c) 1998-2000 Laur Ivan <laur.ivan@ul.ie>
* Copyright (c) 1999-2000 Virgil Palanciuc <vv@ulise.cs.pub.ro>
*
* Requires the Qt widget libraries, available at no cost at
* http://www.troll.no/
*
* Also requires the KDE libraries, available at no cost at
* http://www.kde.org/
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef __Any__
#define __Any__
#include <qcstring.h>
#include <qstring.h>
#include <qstringlist.h>
#include <qdatastream.h>
#include <qfont.h>
#include <qpoint.h>
#include <qsize.h>
#include <qdatetime.h>
#include <dateclass.h>
/*
Type-safe encapsulation class
We use this because:
(1) Qt data marshalling doesn't do type checking
(2) QVariant doesn't encapsulate QByteArrays, and this is needed for MQL if we want to manipulate pure binary data
*/
class Any
{
friend QDataStream& operator>>(QDataStream &, Any &);
friend QDataStream& operator<<(QDataStream &, const Any &);
public:
// encapsulation constructors
Any();
Any(int);
Any(double);
Any(const QByteArray &);
Any(const QDateTime &);
Any(const DateClass &);
Any(const QFont &);
Any(const QPoint &);
Any(const QSize &);
Any(const QString &);
Any(const QStringList &);
// conversions
int toInt();
double toDouble();
QByteArray toByteArray();
QDateTime toDateTime();
DateClass toDateClass();
QFont toFont();
QPoint toPoint();
QSize toSize();
QString toString();
QStringList toStringList();
// cast methods
operator int();
operator double();
operator QByteArray();
operator QDateTime();
operator DateClass();
operator QFont();
operator QPoint();
operator QSize();
operator QString();
operator QStringList();
// assignment and comparison
const Any& operator=(const Any&);
bool operator==(Any &) const;
bool operator!=(Any &) const;
// type information
enum Type { Invalid, ByteArray, StringList, String, Int, Double, Font, Point, Size, DateTime, ExtDateTime };
Type type();
QString typeName();
bool canCast(Type);
bool canCast(const QString&);
bool isValid();
static bool isValidType(Type);
static bool isValidTypeName(const QString&);
// raw data loading and saving
bool load(const QByteArray &);
const QByteArray& rawData();
void clear();
private:
QByteArray data;
};
#endif
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