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/***************************************************************************
* variant.h
* This file is part of the KDE project
* copyright (C)2004-2005 by Sebastian Sauer (mail@dipe.org)
*
* This program 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 program 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 program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
***************************************************************************/
#ifndef KROSS_API_VARIANT_H
#define KROSS_API_VARIANT_H
#include <qstring.h>
#include <qvariant.h>
#include "object.h"
#include "value.h"
#include "exception.h"
namespace Kross { namespace Api {
class List;
/**
* Variant value to wrap a QVariant into a \a Kross::Api::Value
* to enable primitive types like strings or numerics.
*/
class Variant : public Value<Variant, QVariant>
{
friend class Value<Variant, QVariant>;
public:
/**
* Constructor.
*
* \param value The initial QVariant-value
* this Variant-Object has.
* \param name The name this Value has.
*/
Variant(const QVariant& value);
inline operator bool () { return getValue().toBool(); }
inline operator int () { return getValue().toInt(); }
inline operator uint () { return getValue().toUInt(); }
inline operator double () { return getValue().toDouble(); }
inline operator const char* () { return getValue().toString().latin1(); }
inline operator QString () { return getValue().toString(); }
inline operator const QString () { return getValue().toString(); }
inline operator const QString& () { return getValue().asString(); }
inline operator QCString () { return getValue().toCString(); }
inline operator const QCString () { return getValue().toCString(); }
inline operator const QCString& () { return getValue().asCString(); }
inline operator QVariant () { return getValue(); }
inline operator const QVariant () { return getValue(); }
inline operator const QVariant& () { return getValue(); }
/**
* Operator to return a QStringList.
*
* We can not just use getValue().toStringList() here cause maybe
* this Kross::Api::Variant is a Kross::Api::List which could be
* internaly used for list of strings as well. So, we use the
* toStringList() function which will take care of translating a
* Kross::Api::List to a QStringList if possible or to throw an
* exception if the Kross::Api::List isn't a QStringList.
*/
inline operator QStringList () {
return toStringList(this);
}
inline operator QValueList<QVariant> () {
return toList(this);
}
/**
* Destructor.
*/
virtual ~Variant();
/// \see Kross::Api::Object::getClassName()
virtual const QString getClassName() const;
/**
* \return a string representation of the variant.
*
* \see Kross::Api::Object::toString()
*/
virtual const QString toString();
/**
* Try to convert the given \a Object into
* a QVariant.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a QVariant converted object.
*/
static const QVariant& toVariant(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a QString.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a QString converted object.
*/
static const QString toString(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a int.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a int converted object.
*/
static int toInt(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a uint.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a uint converted object.
*/
static uint toUInt(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a uint.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a uint converted object.
*/
static double toDouble(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a Q_LLONG.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a Q_LLONG converted object.
*/
static Q_LLONG toLLONG(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a Q_ULLONG.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a Q_ULLONG converted object.
*/
static Q_ULLONG toULLONG(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a boolean value.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a bool converted object.
*/
static bool toBool(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a QStringList.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a QValueList converted object.
*/
static QStringList toStringList(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a QValueList of QVariant's.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a QValueList converted object.
*/
static QValueList<QVariant> toList(Object::Ptr object);
};
}}
#endif
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