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Diffstat (limited to 'src/xmlpatterns/expr/qvariablereference_p.h')
| -rw-r--r-- | src/xmlpatterns/expr/qvariablereference_p.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qvariablereference_p.h b/src/xmlpatterns/expr/qvariablereference_p.h new file mode 100644 index 0000000..fca6fdd --- /dev/null +++ b/src/xmlpatterns/expr/qvariablereference_p.h @@ -0,0 +1,121 @@ +/**************************************************************************** +** +** 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_VariableReference_H +#define Patternist_VariableReference_H + +#include "qemptycontainer_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +template<typename T> class QList; + +namespace QPatternist +{ + /** + * @short Baseclass for classes being references to variables. + * + * @author Frans Englich <frans.englich@nokia.com> + * @ingroup Patternist_expressions + */ + class VariableReference : public EmptyContainer + { + public: + typedef QExplicitlySharedDataPointer<VariableReference> Ptr; + typedef QList<VariableReference::Ptr> List; + + /** + * Creates a VariableReference. + * + * @param slot must be a valid slot. That is, zero or larger. + */ + VariableReference(const VariableSlotID slot); + + /** + * @returns the slot that this reference communicates through. + * + * This is a slot in the DynamicContext. Which one, depends on the + * type, which this VariableReference does not have information about. + * For instance, it could DynamicContext::expressionVariable() or + * DynamicContext::rangeVariable(). + */ + inline VariableSlotID slot() const; + + /** + * @returns DisableElimination + */ + virtual Properties properties() const; + + private: + /** + * The slot. Same as returned by slot(). + * + * This variable is not called m_slot, because that creates a weird + * compiler error on hpuxi-acc. See the preprocessor output. EvaluationCache::m_varSlot + * is a similar workaround. + */ + const VariableSlotID m_varSlot; + }; + + inline VariableSlotID VariableReference::slot() const + { + return m_varSlot; + } + +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |