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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 <tqstring.h>
#include <tqvariant.h>
#include "object.h"
#include "value.h"
#include "exception.h"
namespace Kross { namespace Api {
class List;
/**
* Variant value to wrap a TQVariant into a \a Kross::Api::Value
* to enable primitive types like strings or numerics.
*/
class Variant : public Value<Variant, TQVariant>
{
friend class Value<Variant, TQVariant>;
public:
/**
* Constructor.
*
* \param value The initial TQVariant-value
* this Variant-Object has.
* \param name The name this Value has.
*/
Variant(const TQVariant& 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 TQString () { return getValue().toString(); }
inline operator const TQString () { return getValue().toString(); }
inline operator const TQString& () { return getValue().asString(); }
inline operator TQCString () { return getValue().toCString(); }
inline operator const TQCString () { return getValue().toCString(); }
inline operator const TQCString& () { return getValue().asCString(); }
inline operator TQVariant () { return getValue(); }
inline operator const TQVariant () { return getValue(); }
inline operator const TQVariant& () { return getValue(); }
/**
* Operator to return a TQStringList.
*
* 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 TQStringList if possible or to throw an
* exception if the Kross::Api::List isn't a TQStringList.
*/
inline operator TQStringList () {
return toStringList(this);
}
inline operator TQValueList<TQVariant> () {
return toList(this);
}
/**
* Destructor.
*/
virtual ~Variant();
/// \see Kross::Api::Object::getClassName()
virtual const TQString getClassName() const;
/**
* \return a string representation of the variant.
*
* \see Kross::Api::Object::toString()
*/
virtual const TQString toString();
/**
* Try to convert the given \a Object into
* a TQVariant.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a TQVariant converted object.
*/
static const TQVariant& toVariant(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a TQString.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a TQString converted object.
*/
static const TQString 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 TQ_LLONG.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a TQ_LLONG converted object.
*/
static TQ_LLONG toLLONG(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a TQ_ULLONG.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a TQ_ULLONG converted object.
*/
static TQ_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 TQStringList.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a TQValueList converted object.
*/
static TQStringList toStringList(Object::Ptr object);
/**
* Try to convert the given \a Object into
* a TQValueList of TQVariant's.
*
* \throw TypeException If the convert failed.
* \param object The object to convert.
* \return The to a TQValueList converted object.
*/
static TQValueList<TQVariant> toList(Object::Ptr object);
};
}}
#endif
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