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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef MODELNODEPOSITIONSTORAGE_H
#define MODELNODEPOSITIONSTORAGE_H
#include "modelnode.h"
namespace QmlDesigner {
namespace Internal {
class ModelNodePositionStorage
{
public:
void clear()
{ m_rewriterData.clear(); }
int nodeOffset(const ModelNode &modelNode);
void setNodeOffset(const ModelNode &modelNode, int fileOffset);
void cleanupInvalidOffsets();
void removeNodeOffset(const ModelNode &node)
{ m_rewriterData.remove(node); }
QList<ModelNode> modelNodes() const;
public:
static const int INVALID_LOCATION = -1;
private:
class RewriterData { //custom rewriter data for each node can be kept here
public:
RewriterData(int offset = INVALID_LOCATION)
: _offset(offset)
{}
bool isValid() const
{ return _offset != INVALID_LOCATION; }
int offset() const
{ return _offset; }
void setOffset(int offset)
{ _offset = offset; }
private:
int _offset;
};
private:
QHash<ModelNode, RewriterData> m_rewriterData;
};
} // namespace Internal
} // namespace QmlDesigner
#endif // MODELNODEPOSITIONSTORAGE_H
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