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/****************************************************************************
**
** Copyright (C) 2013 Sandro S. Andrade <sandroandrade@kde.org>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtMof module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qmofexpression.h"
#include "private/qmofexpressionobject_p.h"
#include <QtMof/QMofClass>
#include <QtMof/QMofComment>
#include <QtMof/QMofElement>
#include <QtMof/QMofNamedElement>
#include <QtMof/QMofNamespace>
#include <QtMof/QMofType>
QT_BEGIN_NAMESPACE
/*!
\class QMofExpression
\inmodule QtMof
\brief An expression represents a node in an expression tree, which may be non-terminal or terminal. It defines a symbol, and has a possibly empty sequence of operands which are value specifications.
*/
/*!
Creates a new QMofExpression. Also creates the corresponding QObject-based representation returned by asQModelingObject() if \a createQModelingObject is true.
*/
QMofExpression::QMofExpression(bool createQModelingObject)
{
if (createQModelingObject)
_qModelingObject = qobject_cast<QModelingObject *>(new QMofExpressionObject(this));
}
/*!
Destroys the QMofExpression.
*/
QMofExpression::~QMofExpression()
{
QModelingElement::deleteQModelingObject();
}
/*!
Returns a deep-copied clone of the QMofExpression.
*/
QModelingElement *QMofExpression::clone() const
{
QMofExpression *c = new QMofExpression;
foreach (QMofComment *element, ownedComments())
c->addOwnedComment(dynamic_cast<QMofComment *>(element->clone()));
c->setName(name());
c->setVisibility(visibility());
foreach (QMofValueSpecification *element, operands())
c->addOperand(dynamic_cast<QMofValueSpecification *>(element->clone()));
c->setSymbol(symbol());
return c;
}
// OWNED ATTRIBUTES
/*!
Specifies a sequence of operands.
\sa addOperand(), removeOperand()
\b {Subsetted property(ies):} QMofElement::ownedElements().
*/
const QList<QMofValueSpecification *> QMofExpression::operands() const
{
// This is a read-write association end
return _operands;
}
/*!
Adds \a operand to operands.
\sa operands(), removeOperand()
*/
void QMofExpression::addOperand(QMofValueSpecification *operand)
{
// This is a read-write association end
if (!_operands.contains(operand)) {
_operands.append(operand);
if (operand && operand->asQModelingObject() && this->asQModelingObject())
QObject::connect(operand->asQModelingObject(), SIGNAL(destroyed(QObject*)), this->asQModelingObject(), SLOT(removeOperand(QObject *)));
operand->asQModelingObject()->setParent(this->asQModelingObject());
// Adjust subsetted properties
addOwnedElement(operand);
}
}
/*!
Removes \a operand from operands.
\sa operands(), addOperand()
*/
void QMofExpression::removeOperand(QMofValueSpecification *operand)
{
// This is a read-write association end
if (_operands.contains(operand)) {
_operands.removeAll(operand);
if (operand->asQModelingObject())
operand->asQModelingObject()->setParent(0);
// Adjust subsetted properties
removeOwnedElement(operand);
}
}
/*!
The symbol associated with the node in the expression tree.
*/
QString QMofExpression::symbol() const
{
// This is a read-write property
return _symbol;
}
/*!
Adjusts symbol to \a symbol.
*/
void QMofExpression::setSymbol(QString symbol)
{
// This is a read-write property
if (_symbol != symbol) {
_symbol = symbol;
}
}
QT_END_NAMESPACE
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