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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
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**
****************************************************************************/
//
// 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 <private/qsinglecontainer_p.h>
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
#endif
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