qdynamiccontext_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_DynamicContext_H
#define Patternist_DynamicContext_H

#include "qautoptr_p.h"
#include "qcachecells_p.h"
#include "qexternalvariableloader_p.h"
#include "qitem_p.h"
#include "qnamepool_p.h"
#include "qnodebuilder_p.h"
#include "qprimitives_p.h"
#include "qreportcontext_p.h"
#include "qresourceloader_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class QDateTime;
template<typename T> class QVector;

namespace QPatternist
{
    class DayTimeDuration;
    class Expression;
    class TemplateMode;

    class DynamicContext : public ReportContext
    {
    public:
        typedef QHash<QXmlName, QExplicitlySharedDataPointer<Expression> > TemplateParameterHash;
        typedef QExplicitlySharedDataPointer<DynamicContext> Ptr;

        virtual ~DynamicContext()
        {
        }

        virtual ItemCacheCell &itemCacheCell(const VariableSlotID slot) = 0;

        virtual ItemSequenceCacheCell::Vector &itemSequenceCacheCells(const VariableSlotID slot) = 0;

        virtual xsInteger contextPosition() const = 0;
        virtual Item contextItem() const = 0;
        virtual xsInteger contextSize() = 0;

        virtual void setRangeVariable(const VariableSlotID slot,
                                      const Item &newValue) = 0;
        virtual Item rangeVariable(const VariableSlotID slot) const = 0;
        virtual void setExpressionVariable(const VariableSlotID slot,
                                           const QExplicitlySharedDataPointer<Expression> &newValue) = 0;
        virtual QExplicitlySharedDataPointer<Expression>
        expressionVariable(const VariableSlotID slot) const = 0;

        virtual Item::Iterator::Ptr positionIterator(const VariableSlotID slot) const = 0;
        virtual void setPositionIterator(const VariableSlotID slot,
                                         const Item::Iterator::Ptr &newValue) = 0;

        virtual void setFocusIterator(const Item::Iterator::Ptr &it) = 0;
        virtual Item::Iterator::Ptr focusIterator() const = 0;

        virtual QExplicitlySharedDataPointer<DayTimeDuration> implicitTimezone() const = 0;
        virtual QDateTime currentDateTime() const = 0;

        virtual QAbstractXmlReceiver *outputReceiver() const = 0;
        virtual NodeBuilder::Ptr nodeBuilder(const QUrl &baseURI) const = 0;
        virtual ResourceLoader::Ptr resourceLoader() const = 0;
        virtual ExternalVariableLoader::Ptr externalVariableLoader() const = 0;
        virtual NamePool::Ptr namePool() const = 0;

        virtual Item currentItem() const = 0;

        DynamicContext::Ptr createFocus();
        DynamicContext::Ptr createStack();
        DynamicContext::Ptr createReceiverContext(QAbstractXmlReceiver *const receiver);

        virtual void addNodeModel(const QAbstractXmlNodeModel::Ptr &nm) = 0;

        virtual ItemCacheCell &globalItemCacheCell(const VariableSlotID slot) = 0;

        virtual TemplateParameterHash &templateParameterStore() = 0;

        virtual ItemSequenceCacheCell::Vector &globalItemSequenceCacheCells(const VariableSlotID slot) = 0;

        virtual DynamicContext::Ptr previousContext() const = 0;

        virtual QExplicitlySharedDataPointer<TemplateMode> currentTemplateMode() const = 0;
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif