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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_PatternMatchingFNs_H
#define Patternist_PatternMatchingFNs_H
#include <private/qpatternplatform_p.h>
/**
* @file
* @short Contains classes implementing the functions found in
* <a href="http://www.w3.org/TR/xpath-functions/#string.match">XQuery 1.0 and
* XPath 2.0 Functions and Operators, 7.6 AtomicString Functions that Use Pattern Matching</a>.
*
* @ingroup Patternist_functions
*/
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Implements the function <tt>fn:matches()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class MatchesFN : public PatternPlatform
{
public:
MatchesFN();
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
};
/**
* @short Implements the function <tt>fn:replace()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class ReplaceFN : public PatternPlatform
{
public:
ReplaceFN();
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
/**
* Overridden to attempt to pre-compile the replacement string.
*/
virtual Expression::Ptr compress(const StaticContext::Ptr &context);
private:
/**
* @short Centralizes the translation string.
*/
static inline QString errorAtEnd(const char ch);
/**
* Reads the string in the third argument and converts it to a a QRegExp compatible
* replacement string, containing sub-group references and so forth.
*/
QString parseReplacement(const int captureCount,
const DynamicContext::Ptr &context) const;
QString m_replacementString;
};
/**
* @short Implements the function <tt>fn:tokenize()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class TokenizeFN : public PatternPlatform
{
public:
TokenizeFN();
inline Item mapToItem(const QString &subject, const DynamicContext::Ptr &) const;
virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const;
private:
typedef QExplicitlySharedDataPointer<const TokenizeFN> ConstPtr;
};
}
QT_END_NAMESPACE
#endif
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