/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
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** accordance with the commercial license agreement provided with the
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
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** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** In addition, as a special exception, Digia gives you certain additional
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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_SimpleContentConstructor_H
#define Patternist_SimpleContentConstructor_H

#include <private/qsinglecontainer_p.h>

QT_BEGIN_NAMESPACE

namespace QPatternist
{

    /**
     * @short Constructs simple content as specified for attributes in direct
     * element constructors in XQuery.
     *
     * @note Sometimes you want XSLTSimpleContentConstructor.
     *
     * @see XSLTSimpleContentConstructor
     * @see <a href="http://www.w3.org/TR/xquery/#id-attributes">XQuery 1.0:
     * An XML Query Language, 3.7.1.1 Attributes</a>
     * @author Frans Englich <frans.englich@nokia.com>
     * @ingroup Patternist_expressions
     */
    class SimpleContentConstructor : public SingleContainer
    {
    public:
        SimpleContentConstructor(const Expression::Ptr &operand);

        virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;

        virtual Expression::Ptr compress(const StaticContext::Ptr &context);

        virtual SequenceType::List expectedOperandTypes() const;
        virtual SequenceType::Ptr staticType() const;

        virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
    };
}

QT_END_NAMESPACE

#endif