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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.
**
**************************************************************************/

#include "invalidmodelnodeexception.h"
#include "modelnodepositionstorage.h"

using namespace QmlDesigner;
using namespace QmlDesigner::Internal;

void ModelNodePositionStorage::setNodeOffset(const ModelNode &modelNode, int fileOffset)
{
    m_rewriterData[modelNode].setOffset(fileOffset);
}

void ModelNodePositionStorage::cleanupInvalidOffsets()
{
    QHash<ModelNode, RewriterData> validModelNodes;

    QHashIterator<ModelNode, RewriterData> iter(m_rewriterData);
    while (iter.hasNext()) {
        iter.next();
        const ModelNode modelNode = iter.key();
        if (modelNode.isValid())
            validModelNodes.insert(modelNode, iter.value());
    }
    m_rewriterData = validModelNodes;
}

int ModelNodePositionStorage::nodeOffset(const ModelNode &modelNode)
{
    QHash<ModelNode, RewriterData>::const_iterator iter = m_rewriterData.find(modelNode);
    if (iter == m_rewriterData.end())
        return INVALID_LOCATION;
    else
        return iter.value().offset();
}

QList<ModelNode> ModelNodePositionStorage::modelNodes() const
{
    return m_rewriterData.keys();
}