| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** This file may be used under the terms of the GNU Lesser General Public |
| ** License version 2.1 as published by the Free Software Foundation and |
| ** appearing in the file LICENSE.LGPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU Lesser |
| ** General Public License version 2.1 requirements will be met: |
| ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
| ** |
| ** In addition, as a special exception, Nokia gives you certain additional |
| ** rights. These rights are described in the Nokia Qt LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU General |
| ** Public License version 3.0 as published by the Free Software Foundation |
| ** and appearing in the file LICENSE.GPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU General |
| ** Public License version 3.0 requirements will be met: |
| ** http://www.gnu.org/copyleft/gpl.html. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // 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_DelegatingDynamicContext_H |
| #define Patternist_DelegatingDynamicContext_H |
| |
| #include "qdynamiccontext_p.h" |
| #include "qexpression_p.h" |
| |
| QT_BEGIN_HEADER |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QPatternist |
| { |
| /** |
| * @short Base class for dynamic contexts that are |
| * created from an existing one. |
| * |
| * In some cases multiple DynamicContext instances must be used in |
| * order to maintain somekind of scope. This class delegates |
| * the DynamicContext interface onto another DynamicContext instance, |
| * allowing the sub-class to only implement what it needs to. |
| * |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class DelegatingDynamicContext : public DynamicContext |
| { |
| public: |
| virtual xsInteger contextPosition() const; |
| virtual Item contextItem() const; |
| virtual xsInteger contextSize(); |
| |
| virtual ItemCacheCell &itemCacheCell(const VariableSlotID slot); |
| virtual ItemSequenceCacheCell::Vector &itemSequenceCacheCells(const VariableSlotID slot); |
| |
| virtual void setRangeVariable(const VariableSlotID slotNumber, |
| const Item &newValue); |
| virtual Item rangeVariable(const VariableSlotID slotNumber) const; |
| |
| virtual void setExpressionVariable(const VariableSlotID slotNumber, |
| const Expression::Ptr &newValue); |
| virtual Expression::Ptr expressionVariable(const VariableSlotID slotNumber) const; |
| |
| virtual void setFocusIterator(const Item::Iterator::Ptr &it); |
| virtual Item::Iterator::Ptr focusIterator() const; |
| |
| virtual Item::Iterator::Ptr positionIterator(const VariableSlotID slot) const; |
| virtual void setPositionIterator(const VariableSlotID slot, |
| const Item::Iterator::Ptr &newValue); |
| |
| virtual QAbstractMessageHandler * messageHandler() const; |
| virtual QExplicitlySharedDataPointer<DayTimeDuration> implicitTimezone() const; |
| virtual QDateTime currentDateTime() const; |
| virtual QAbstractXmlReceiver *outputReceiver() const; |
| virtual NodeBuilder::Ptr nodeBuilder(const QUrl &baseURI) const; |
| virtual ResourceLoader::Ptr resourceLoader() const; |
| virtual ExternalVariableLoader::Ptr externalVariableLoader() const; |
| virtual NamePool::Ptr namePool() const; |
| virtual QSourceLocation locationFor(const SourceLocationReflection *const reflection) const; |
| virtual void addNodeModel(const QAbstractXmlNodeModel::Ptr &nm); |
| virtual const QAbstractUriResolver *uriResolver() const; |
| virtual ItemCacheCell &globalItemCacheCell(const VariableSlotID slot); |
| virtual ItemSequenceCacheCell::Vector &globalItemSequenceCacheCells(const VariableSlotID slot); |
| virtual Item currentItem() const; |
| virtual TemplateParameterHash &templateParameterStore(); |
| |
| virtual DynamicContext::Ptr previousContext() const; |
| virtual QExplicitlySharedDataPointer<TemplateMode> currentTemplateMode() const; |
| |
| protected: |
| DelegatingDynamicContext(const DynamicContext::Ptr &prevContext); |
| |
| const DynamicContext::Ptr m_prevContext; |
| }; |
| } |
| |
| QT_END_NAMESPACE |
| |
| QT_END_HEADER |
| |
| #endif |