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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
commit67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch)
tree1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/xmlpatterns/expr/qvariablereference_p.h
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Long live Qt!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@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 <fenglich@trolltech.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