qexternalvariableloader_p.h

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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_ExternalVariableLoader_H
#define Patternist_ExternalVariableLoader_H

#include "qitem_p.h"
#include "qsequencetype_p.h"
#include "qxmlname.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    class DynamicContext;

    class Q_AUTOTEST_EXPORT ExternalVariableLoader : public QSharedData
    {
    public:
        typedef QExplicitlySharedDataPointer<ExternalVariableLoader> Ptr;
        inline ExternalVariableLoader() {}

        virtual ~ExternalVariableLoader();

        virtual SequenceType::Ptr announceExternalVariable(const QXmlName name,
                                                           const SequenceType::Ptr &declaredType);

        virtual Item::Iterator::Ptr evaluateSequence(const QXmlName name,
                                                     const QExplicitlySharedDataPointer<DynamicContext> &context);

        virtual Item evaluateSingleton(const QXmlName name,
                                            const QExplicitlySharedDataPointer<DynamicContext> &context);
        virtual bool evaluateEBV(const QXmlName name,
                                 const QExplicitlySharedDataPointer<DynamicContext> &context);
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif