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/* This file is part of the KDB libraries Copyright (c) 2000 Praduroux Alessandro <pradu@thekompany.com> This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef KDB_VALUE_H #define KDB_VALUE_H "$Id: value.h,v 1.6 2001/02/01 03:15:49 garbanzo Exp $" #include <qvariant.h> #include <kdb/kdb.h> class QDate; class QTime; class QDateTime; class Value; /** * Representation of a value object. * * It stores a value and a value type. mostly is a QVariant, with some more datatypes * when QT 3.0 will be out, probably all implementation will go away and we will have * only a QVariant here. Actually, at my best knowledge, this is source compatible with * QT 3.0 QVariant. * * @author Alessandro Praduroux <pradu@thekompany.com> * @version kdbcore 0.0.2 */ class Value :public QVariant { 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, Long, ULong }; Value(); ~Value(); Value (const Value &); Value (const QVariant &); Value (const QDate& ); Value (const QTime& ); Value (const QDateTime& ); Value (const QString&); Value (const char *); Value (long); Value (int); Value (KDB_ULONG); Value & operator = (const Value &); bool operator==( const Value& ) const; bool operator!=( const Value& ) const; Type type() const; const char* typeName() const; bool canCast( Type ) const; bool cast( Type ); const QString toString() const; const QDate toDate() const; const QTime toTime() const; const QDateTime toDateTime() const; const long toLong() const; const KDB_ULONG toULong() const; QString& asString(); QDate& asDate(); QTime& asTime(); QDateTime& asDateTime(); long& asLong(); KDB_ULONG& asULong(); static const char* typeToName( Type typ ); static Type nameToType( const char* name ); private: void clearPtr(); Type t; void *ptr; }; #endif
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