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tqt3/src/kernel/ntqvariant.h

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/****************************************************************************
**
** Definition of TQVariant class
**
** Created : 990414
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef TQVARIANT_H
#define TQVARIANT_H
#ifndef QT_H
#include "ntqmap.h"
#include "ntqstring.h"
#include "ntqstringlist.h"
#include "ntqvaluelist.h"
#endif // QT_H
#ifndef TQT_NO_VARIANT
class TQString;
class TQCString;
class TQFont;
class TQPixmap;
class TQBrush;
class TQRect;
class TQPoint;
class TQImage;
class TQSize;
class TQColor;
class TQPalette;
class TQColorGroup;
class TQIconSet;
class TQDataStream;
class TQPointArray;
class TQRegion;
class TQBitmap;
class TQCursor;
class TQStringList;
class TQSizePolicy;
class TQDate;
class TQTime;
class TQDateTime;
class TQBitArray;
class TQKeySequence;
class TQPen;
// Some headers rejected after TQVariant declaration for GCC 2.7.* compatibility
class TQVariant;
#ifndef TQT_NO_TEMPLATE_VARIANT
template <class T> class TQValueList;
template <class T> class TQValueListConstIterator;
template <class T> class TQValueListNode;
template <class Key, class T> class TQMap;
template <class Key, class T> class TQMapConstIterator;
typedef TQMap<TQString, TQVariant> TQStringVariantMap;
typedef TQMapIterator<TQString, TQVariant> TQStringVariantMapIterator;
typedef TQMapConstIterator<TQString, TQVariant> TQStringVariantMapConstIterator;
#endif
class Q_EXPORT TQVariant
{
public:
enum Type {
Invalid,
Map,
List,
String,
StringList,
Font,
Pixmap,
Brush,
Rect,
Size,
Color,
Palette,
ColorGroup,
IconSet,
Point,
Image,
Int,
UInt,
Bool,
Double,
CString,
PointArray,
Region,
Bitmap,
Cursor,
SizePolicy,
Date,
Time,
DateTime,
ByteArray,
BitArray,
KeySequence,
Pen,
LongLong,
ULongLong
};
TQVariant();
~TQVariant();
TQVariant( const TQVariant& );
#ifndef TQT_NO_DATASTREAM
TQVariant( TQDataStream& s );
#endif
TQVariant( const TQString& );
TQVariant( const TQCString& );
TQVariant( const char* );
#ifndef TQT_NO_STRINGLIST
TQVariant( const TQStringList& );
#endif
TQVariant( const TQFont& );
TQVariant( const TQPixmap& );
TQVariant( const TQImage& );
TQVariant( const TQBrush& );
TQVariant( const TQPoint& );
TQVariant( const TQRect& );
TQVariant( const TQSize& );
TQVariant( const TQColor& );
TQVariant( const TQPalette& );
TQVariant( const TQColorGroup& );
TQVariant( const TQIconSet& );
TQVariant( const TQPointArray& );
TQVariant( const TQRegion& );
TQVariant( const TQBitmap& );
TQVariant( const TQCursor& );
TQVariant( const TQDate& );
TQVariant( const TQTime& );
TQVariant( const TQDateTime& );
TQVariant( const TQByteArray& );
TQVariant( const TQBitArray& );
#ifndef TQT_NO_ACCEL
TQVariant( const TQKeySequence& );
#endif
TQVariant( const TQPen& );
#ifndef TQT_NO_TEMPLATE_VARIANT
TQVariant( const TQValueList<TQVariant>& );
TQVariant( const TQMap<TQString,TQVariant>& );
#endif
TQVariant( int );
TQVariant( uint );
TQVariant( TQ_LLONG );
TQVariant( TQ_ULLONG );
TQVariant( bool );
TQVariant( double );
TQVariant( TQSizePolicy );
TQVariant& operator= ( const TQVariant& );
bool operator==( const TQVariant& ) const;
bool operator!=( const TQVariant& ) const;
Type type() const;
const char* typeName() const;
bool canCast( Type ) const;
bool cast( Type );
bool isValid() const;
bool isNull() const;
void clear();
const TQString toString() const;
const TQCString toCString() const;
#ifndef TQT_NO_STRINGLIST
const TQStringList toStringList() const;
#endif
const TQFont toFont() const;
const TQPixmap toPixmap() const;
const TQImage toImage() const;
const TQBrush toBrush() const;
const TQPoint toPoint() const;
const TQRect toRect() const;
const TQSize toSize() const;
const TQColor toColor() const;
const TQPalette toPalette() const;
const TQColorGroup toColorGroup() const;
const TQIconSet toIconSet() const;
const TQPointArray toPointArray() const;
const TQBitmap toBitmap() const;
const TQRegion toRegion() const;
const TQCursor toCursor() const;
const TQDate toDate() const;
const TQTime toTime() const;
const TQDateTime toDateTime() const;
const TQByteArray toByteArray() const;
const TQBitArray toBitArray() const;
#ifndef TQT_NO_ACCEL
const TQKeySequence toKeySequence() const;
#endif
const TQPen toPen() const;
int toInt( bool * ok=0 ) const;
uint toUInt( bool * ok=0 ) const;
TQ_LLONG toLongLong( bool * ok=0 ) const;
TQ_ULLONG toULongLong( bool * ok=0 ) const;
bool toBool() const;
double toDouble( bool * ok=0 ) const;
#ifndef TQT_NO_TEMPLATE_VARIANT
const TQValueList<TQVariant> toList() const;
const TQMap<TQString,TQVariant> toMap() const;
#endif
TQSizePolicy toSizePolicy() const;
#ifndef TQT_NO_TEMPLATE_VARIANT
TQValueListConstIterator<TQString> stringListBegin() const;
TQValueListConstIterator<TQString> stringListEnd() const;
TQValueListConstIterator<TQVariant> listBegin() const;
TQValueListConstIterator<TQVariant> listEnd() const;
TQMapConstIterator<TQString,TQVariant> mapBegin() const;
TQMapConstIterator<TQString,TQVariant> mapEnd() const;
TQMapConstIterator<TQString,TQVariant> mapFind( const TQString& ) const;
#endif
TQString& asString();
TQCString& asCString();
#ifndef TQT_NO_STRINGLIST
TQStringList& asStringList();
#endif
TQFont& asFont();
TQPixmap& asPixmap();
TQImage& asImage();
TQBrush& asBrush();
TQPoint& asPoint();
TQRect& asRect();
TQSize& asSize();
TQColor& asColor();
TQPalette& asPalette();
TQColorGroup& asColorGroup();
TQIconSet& asIconSet();
TQPointArray& asPointArray();
TQBitmap& asBitmap();
TQRegion& asRegion();
TQCursor& asCursor();
TQDate& asDate();
TQTime& asTime();
TQDateTime& asDateTime();
TQByteArray& asByteArray();
TQBitArray& asBitArray();
#ifndef TQT_NO_ACCEL
TQKeySequence& asKeySequence();
#endif
TQPen& asPen();
int& asInt();
uint& asUInt();
TQ_LLONG& asLongLong();
TQ_ULLONG& asULongLong();
bool& asBool();
double& asDouble();
#ifndef TQT_NO_TEMPLATE_VARIANT
TQValueList<TQVariant>& asList();
TQMap<TQString,TQVariant>& asMap();
#endif
TQSizePolicy& asSizePolicy();
#ifndef TQT_NO_DATASTREAM
void load( TQDataStream& );
void save( TQDataStream& ) const;
#endif
static const char* typeToName( Type typ );
static Type nameToType( const char* name );
private:
void detach();
class Private : public TQShared
{
public:
Private();
Private( Private* );
~Private();
void clear();
Type typ;
union
{
uint u;
int i;
TQ_LLONG ll;
TQ_ULLONG ull;
bool b;
double d;
void *ptr;
} value;
uint is_null : 1; // ## 4.0 merge with typ
};
Private* d;
public:
void* rawAccess( void* ptr = 0, Type typ = Invalid, bool deepCopy = FALSE );
};
inline TQVariant::Type TQVariant::type() const
{
return d->typ;
}
inline bool TQVariant::isValid() const
{
return (d->typ != Invalid);
}
#ifndef TQT_NO_TEMPLATE_VARIANT
inline TQValueListConstIterator<TQString> TQVariant::stringListBegin() const
{
if ( d->typ != StringList )
return TQValueListConstIterator<TQString>();
return ((const TQStringList*)d->value.ptr)->begin();
}
inline TQValueListConstIterator<TQString> TQVariant::stringListEnd() const
{
if ( d->typ != StringList )
return TQValueListConstIterator<TQString>();
return ((const TQStringList*)d->value.ptr)->end();
}
inline TQValueListConstIterator<TQVariant> TQVariant::listBegin() const
{
if ( d->typ != List )
return TQValueListConstIterator<TQVariant>();
return ((const TQValueList<TQVariant>*)d->value.ptr)->begin();
}
inline TQValueListConstIterator<TQVariant> TQVariant::listEnd() const
{
if ( d->typ != List )
return TQValueListConstIterator<TQVariant>();
return ((const TQValueList<TQVariant>*)d->value.ptr)->end();
}
inline TQMapConstIterator<TQString,TQVariant> TQVariant::mapBegin() const
{
if ( d->typ != Map )
return TQMapConstIterator<TQString,TQVariant>();
return ((const TQMap<TQString,TQVariant>*)d->value.ptr)->begin();
}
inline TQMapConstIterator<TQString,TQVariant> TQVariant::mapEnd() const
{
if ( d->typ != Map )
return TQMapConstIterator<TQString,TQVariant>();
return ((const TQMap<TQString,TQVariant>*)d->value.ptr)->end();
}
inline TQMapConstIterator<TQString,TQVariant> TQVariant::mapFind( const TQString& key ) const
{
if ( d->typ != Map )
return TQMapConstIterator<TQString,TQVariant>();
return ((const TQMap<TQString,TQVariant>*)d->value.ptr)->find( key );
}
#endif
#ifndef TQT_NO_DATASTREAM
Q_EXPORT TQDataStream& operator>> ( TQDataStream& s, TQVariant& p );
Q_EXPORT TQDataStream& operator<< ( TQDataStream& s, const TQVariant& p );
Q_EXPORT TQDataStream& operator>> ( TQDataStream& s, TQVariant::Type& p );
Q_EXPORT TQDataStream& operator<< ( TQDataStream& s, const TQVariant::Type p );
#endif
#endif //TQT_NO_VARIANT
#endif // TQVARIANT_H