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/***************************************************************************
* This file is part of the KDE project
* copyright (C) 2005 by Sebastian Sauer ([email protected])
* copyright (C) 2005 by Tobi Krebs ([email protected])
*
* 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 KOMACRO_METAPARAMETER_H
#define KOMACRO_METAPARAMETER_H
#include <qstring.h>
#include <qvariant.h>
#include <qobject.h>
#include <ksharedptr.h>
#include "komacro_export.h"
namespace KoMacro {
// Forward declarations.
class Variable;
/**
* Class to provide abstract methods for the undocumented
* Qt3 QUObject-API functionality.
*
* The design tried to limit future porting to Qt4 by providing a
* somewhat similar API to the Qt4 QMeta* stuff.
*/
class KOMACRO_EXPORT MetaParameter : public KShared
{
/**
* Property to get the type of the variable.
*/
Q_PROPERTY(Type type READ type)
/**
* Property to get the type of the variable as string.
*/
Q_PROPERTY(QString typeName READ typeName)
public:
/**
* List of @a MetaParameter instances.
*/
typedef QValueList<KSharedPtr <MetaParameter > > List;
/**
* Constructor.
*
* @param signatureargument The signatures argument
* that will be used to determinate the arguments
* type. This could be something like "const QString&",
* "int" or "QMap < QString, QVariant > ".
*/
explicit MetaParameter(const QString& signatureargument = QString::null);
/**
* Destructor.
*/
~MetaParameter();
/**
* Possible types the @a MetaParameter could provide.
*/
enum Type {
TypeNone = 0, /// None type, the @a MetaParameter is empty.
TypeVariant, /// The @a MetaParameter is a QVariant.
TypeObject /// The @a MetaParameter is a QObject.
};
/**
* @return the @a MetaParameter::Type this variable has.
*/
Type type() const;
/**
* @return the @a MetaParameter::Type as string. The typename
* could be "None", "Variant" or "Object".
*/
const QString typeName() const;
/**
* Set the @a MetaParameter::Type this variable is.
*/
void setType(Type type);
/**
* @return the @a MetaParameter::Type this variable is.
*/
QVariant::Type variantType() const;
/**
* Set the @a MetaParameter::Type this variable is.
*/
void setVariantType(QVariant::Type varianttype);
/**
* @return true if the passed @a Variable @p variable is
* valid for this @a MetaParameter . Valid means, that
* the variable has a castable type.
*/
bool validVariable(KSharedPtr<Variable> variable) const;
protected:
/**
* @internal used method to set the signature argument. Those
* argument will be used to determinate the arguments type.
*/
void setSignatureArgument(const QString& signatureargument);
private:
/// @internal d-pointer class.
class Private;
/// @internal d-pointer instance.
Private* const d;
};
}
#endif
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