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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
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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_PairContainer_H
#define Patternist_PairContainer_H
#include <private/qexpression_p.h>
#include <private/qatomictype_p.h>
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Base class for expressions that has exactly two operands.
*
* @author Frans Englich <frans.englich@nokia.com>
* @ingroup Patternist_expressions
*/
class PairContainer : public Expression
{
public:
virtual Expression::List operands() const;
virtual void setOperands(const Expression::List &operands);
virtual bool compressOperands(const StaticContext::Ptr &);
protected:
PairContainer(const Expression::Ptr &operand1, const Expression::Ptr &operand2);
Expression::Ptr m_operand1;
Expression::Ptr m_operand2;
};
}
QT_END_NAMESPACE
#endif
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