/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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
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** 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.
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****************************************************************************/

#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();
}