/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtXmlPatterns module of the Qt Toolkit. | |
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** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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 | |
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** file. Please review the following information to ensure the GNU Lesser | |
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** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
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// | |
// 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_CopyOf_H | |
#define Patternist_CopyOf_H | |
#include "qsinglecontainer_p.h" | |
QT_BEGIN_HEADER | |
QT_BEGIN_NAMESPACE | |
namespace QPatternist | |
{ | |
/** | |
* @short Does node copying in a parameterized way, in order to deal with | |
* namespace preservation/inheritance. | |
* | |
* If someone tries to call evaluateEBV(), evaluateSingleton() or | |
* evaluateSequence() on us, we will infinitely loop. But apparently | |
* that's not possible because we're always a child of ElementConstructor, | |
* currently. | |
* | |
* @author Frans Englich <frans.englich@nokia.com> | |
* @ingroup Patternist_expressions | |
*/ | |
class CopyOf : public SingleContainer | |
{ | |
public: | |
/** | |
* Creats a CopyOf where it is checked that the expression @p operand conforms | |
* to the type @p reqType. | |
*/ | |
CopyOf(const Expression::Ptr &operand, | |
const bool inheritNSS, | |
const bool preserveNSS); | |
virtual void evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const; | |
/** | |
* @returns always the SequenceType passed in the constructor to this class. That is, the | |
* SequenceType that the operand must conform to. | |
*/ | |
virtual SequenceType::Ptr staticType() const; | |
/** | |
* @returns a list containing one CommonSequenceTypes::ZeroOrMoreItems | |
*/ | |
virtual SequenceType::List expectedOperandTypes() const; | |
virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const; | |
inline Item mapToItem(const Item &source, | |
const DynamicContext::Ptr &context) const; | |
virtual Expression::Ptr compress(const StaticContext::Ptr &context); | |
virtual Properties properties() const; | |
virtual ItemType::Ptr expectedContextItemType() const; | |
private: | |
typedef QExplicitlySharedDataPointer<const CopyOf> ConstPtr; | |
const bool m_inheritNamespaces; | |
const bool m_preserveNamespaces; | |
const QAbstractXmlNodeModel::NodeCopySettings m_settings; | |
}; | |
} | |
QT_END_NAMESPACE | |
QT_END_HEADER | |
#endif |