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Diffstat (limited to 'src/xmlpatterns/environment/qdelegatingdynamiccontext_p.h')
| -rw-r--r-- | src/xmlpatterns/environment/qdelegatingdynamiccontext_p.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/xmlpatterns/environment/qdelegatingdynamiccontext_p.h b/src/xmlpatterns/environment/qdelegatingdynamiccontext_p.h new file mode 100644 index 0000000..552ef7c --- /dev/null +++ b/src/xmlpatterns/environment/qdelegatingdynamiccontext_p.h @@ -0,0 +1,130 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// 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 |