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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef Patternist_NodeBuilder_H
#define Patternist_NodeBuilder_H
#include "qitem_p.h"
#include "qabstractxmlreceiver.h"
#include "qautoptr_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Receives QAbstractXmlReceiver events and builds a node tree
* in memory that afterwards can be retrieved via builtNode()
*
* @ingroup Patternist_xdm
* @author Frans Englich <frans.englich@nokia.com>
*/
class NodeBuilder : public QAbstractXmlReceiver
{
public:
typedef AutoPtr<NodeBuilder> Ptr;
inline NodeBuilder()
{
}
/**
* @short Returns the document that has been built.
*
* If this function is called before any events have been received, the result is undefined.
*
* The top node that was constructed can be retrieved by calling
* NodeModel::root() on the returned NodeModel.
*
* This function is not @c const, because some implementations delay
* the node construction until the node is needed. Also, text nodes are
* difficult, at best, to construct until one knows that all text content
* has been received(which a call to this function in a natural way
* signals).
*/
virtual QAbstractXmlNodeModel::Ptr builtDocument() = 0;
/**
* @short Creates a copy of this NodeBuilder, that operates independently of
* this NodeBuilder.
*
* The caller owns the returned instance.
*/
virtual NodeBuilder::Ptr create(const QUrl &baseURI) const = 0;
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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