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Diffstat (limited to 'src/xmlpatterns/expr/qquantifiedexpression_p.h')
| -rw-r--r-- | src/xmlpatterns/expr/qquantifiedexpression_p.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qquantifiedexpression_p.h b/src/xmlpatterns/expr/qquantifiedexpression_p.h new file mode 100644 index 0000000..acdfc15 --- /dev/null +++ b/src/xmlpatterns/expr/qquantifiedexpression_p.h @@ -0,0 +1,114 @@ +/**************************************************************************** +** +** 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_QuantifiedExpression_H +#define Patternist_QuantifiedExpression_H + +#include "qpaircontainer_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + /** + * @short Implements XPath 2.0's quantification expressions @c some and @c every. + * + * @see <a href="http://www.w3.org/TR/xpath20/#id-quantified-expressions">XML Path Language + * (XPath) 2.0, 3.9 Quantified Expressions</a> + * @author Frans Englich <fenglich@trolltech.com> + * @ingroup Patternist_expressions + */ + class Q_AUTOTEST_EXPORT QuantifiedExpression : public PairContainer + { + public: + enum Operator + { + Some = 1, + Every + }; + + QuantifiedExpression(const VariableSlotID varSlot, + const Operator quantifier, + const Expression::Ptr &inClause, + const Expression::Ptr &testExpression); + + virtual bool evaluateEBV(const DynamicContext::Ptr &context) const; + virtual SequenceType::Ptr staticType() const; + virtual SequenceType::List expectedOperandTypes() const; + + Operator operatorID() const; + + /** + * Determines the string representation for a quantification operator. + * + * @return "some" if @p quantifier is Some, or "every" if @p quantifier + * is Every + */ + static QString displayName(const Operator quantifier); + + virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const; + + inline Item mapToItem(const Item &item, const DynamicContext::Ptr &context) const; + + private: + typedef QExplicitlySharedDataPointer<const QuantifiedExpression> ConstPtr; + const VariableSlotID m_varSlot; + const Operator m_quantifier; + }; +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |