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Diffstat (limited to 'src/xmlpatterns/expr/qifthenclause_p.h')
| -rw-r--r-- | src/xmlpatterns/expr/qifthenclause_p.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qifthenclause_p.h b/src/xmlpatterns/expr/qifthenclause_p.h new file mode 100644 index 0000000..e24d5d0 --- /dev/null +++ b/src/xmlpatterns/expr/qifthenclause_p.h @@ -0,0 +1,101 @@ +/**************************************************************************** +** +** 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_IfThenClause_H +#define Patternist_IfThenClause_H + +#include "qtriplecontainer_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + /** + * @short Implements XPath 2.0's conditional expression <tt>if([expr]) then [expr] else [expr]</tt>. + * + * @see <a href="http://www.w3.org/TR/xpath20/#id-conditionals">XML Path Language (XPath) 2.0, + * 3.8 Conditional Expressions</a> + * @author Frans Englich <frans.englich@nokia.com> + * @ingroup Patternist_expressions + */ + class IfThenClause : public TripleContainer + { + public: + IfThenClause(const Expression::Ptr &test, + const Expression::Ptr &then, + const Expression::Ptr &el); + + virtual bool evaluateEBV(const DynamicContext::Ptr &context) const; + virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const; + virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const; + virtual void evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const; + + virtual SequenceType::List expectedOperandTypes() const; + virtual Expression::Ptr compress(const StaticContext::Ptr &context); + + virtual SequenceType::Ptr staticType() const; + virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const; + /** + * @returns IDIfThenClause + */ + virtual ID id() const; + virtual QList<QExplicitlySharedDataPointer<OptimizationPass> > optimizationPasses() const; + //virtual Properties properties() const; + }; +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |