/****************************************************************************
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** Copyright (C) 2015 The Qt Company Ltd.
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**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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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_StaticBaseUriContainer_H
#define Patternist_StaticBaseUriContainer_H

#include <QUrl>

#include "qfunctioncall_p.h"

QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     * @short Base class for functions that needs to
     * store the static base URI for use at runtime.
     *
     * @ingroup Patternist_functions
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class StaticBaseUriContainer : public FunctionCall
    {
    protected:
        inline StaticBaseUriContainer()
        {
        }

        inline void prepareStaticBaseURI(const StaticContext::Ptr &context)
        {
            m_staticBaseURI = context->baseURI();
        }

        inline const QUrl &staticBaseURI() const
        {
            return m_staticBaseURI;
        }

        /**
         * Calls prepareStaticBaseURI(), and return the return value of
         * FunctionCall::typeCheck(), forwarding the arguments.
         */
        virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
                                          const SequenceType::Ptr &reqType)
        {
            prepareStaticBaseURI(context);
            return FunctionCall::typeCheck(context, reqType);
        }

    private:
        Q_DISABLE_COPY(StaticBaseUriContainer)
        QUrl m_staticBaseURI;
    };
}

QT_END_NAMESPACE
QT_END_HEADER
#endif