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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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_GenericDynamicContext_H
#define Patternist_GenericDynamicContext_H
#include <QDateTime>
#include <QVector>
#include "qdaytimeduration_p.h"
#include "qstackcontextbase_p.h"
#include "qexpression_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short A DynamicContext supplying basic information that always is used.
*
* This DynamicContext is the first DynamicContext used during
* a run and is always used. In addition, more contexts, such as
* a Focus can be created.
*
* @author Frans Englich <frans.englich@nokia.com>
*/
class GenericDynamicContext : public StackContextBase<DynamicContext>
{
public:
typedef QExplicitlySharedDataPointer<GenericDynamicContext> Ptr;
GenericDynamicContext(const NamePool::Ptr &np,
QAbstractMessageHandler *const messageHandler,
const LocationHash &locations);
virtual xsInteger contextPosition() const;
/**
* @returns always @c null, the focus is always undefined when an GenericDynamicContext
* is used.
*/
virtual Item contextItem() const;
virtual xsInteger contextSize();
virtual void setFocusIterator(const Item::Iterator::Ptr &it);
virtual Item::Iterator::Ptr focusIterator() const;
virtual QAbstractMessageHandler * messageHandler() const;
virtual QExplicitlySharedDataPointer<DayTimeDuration> implicitTimezone() const;
virtual QDateTime currentDateTime() const;
virtual QAbstractXmlReceiver *outputReceiver() const;
void setOutputReceiver(QAbstractXmlReceiver *const receiver);
virtual NodeBuilder::Ptr nodeBuilder(const QUrl &baseURI) const;
void setNodeBuilder(NodeBuilder::Ptr &builder);
virtual ResourceLoader::Ptr resourceLoader() const;
void setResourceLoader(const ResourceLoader::Ptr &loader);
virtual ExternalVariableLoader::Ptr externalVariableLoader() const;
void setExternalVariableLoader(const ExternalVariableLoader::Ptr &loader);
virtual NamePool::Ptr namePool() const;
virtual QSourceLocation locationFor(const SourceLocationReflection *const reflection) const;
virtual void addNodeModel(const QAbstractXmlNodeModel::Ptr &nm);
virtual const QAbstractUriResolver *uriResolver() const;
virtual ItemCacheCell &globalItemCacheCell(const VariableSlotID slot);
virtual ItemSequenceCacheCell::Vector &globalItemSequenceCacheCells(const VariableSlotID slot);
void setUriResolver(const QAbstractUriResolver *const resolver);
/**
* We return a null item, we have no focus.
*/
virtual Item currentItem() const;
/**
* @short Returns always @c null, since we're always
* a top-level context.
*/
virtual DynamicContext::Ptr previousContext() const;
virtual QExplicitlySharedDataPointer<TemplateMode> currentTemplateMode() const;
private:
QAbstractMessageHandler * m_messageHandler;
const QDateTime m_currentDateTime;
const DayTimeDuration::Ptr m_zoneOffset;
QAbstractXmlReceiver * m_outputReceiver;
mutable NodeBuilder::Ptr m_nodeBuilder;
ExternalVariableLoader::Ptr m_externalVariableLoader;
ResourceLoader::Ptr m_resourceLoader;
NamePool::Ptr m_namePool;
const LocationHash m_locations;
QAbstractXmlNodeModel::List m_nodeModels;
const QAbstractUriResolver * m_uriResolver;
ItemCacheCell::Vector m_globalItemCacheCells;
ItemSequenceCacheCell::Vector m_globalItemSequenceCacheCells;
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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