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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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_AttributeNameValidator_H
#define Patternist_AttributeNameValidator_H
#include "qsinglecontainer_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Ensures the lexical space of the string value of the Item returned
* from its child Expression is an NCName. Also possibly changes the name
* by generating a prefix if one is needed.
*
* @note It doesn't actually construct an @c xs:NCName. It only ensures the lexical
* space is an @c NCName. The atomic value can be of any string type, such as @c xs:untypedAtomic
* of @c xs:string.
*
* @author Frans Englich <frans.englich@nokia.com>
* @ingroup Patternist_expressions
*/
class AttributeNameValidator : public SingleContainer
{
public:
AttributeNameValidator(const Expression::Ptr &source);
virtual Item evaluateSingleton(const DynamicContext::Ptr &) const;
virtual SequenceType::List expectedOperandTypes() const;
/**
* @returns the static type of its operand. This is returned as opposed
* CommonSequenceTypes::ExactlyOneQName, since the operand might return a subtype
* of @c xs:QName.
*/
virtual SequenceType::Ptr staticType() const;
virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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