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/****************************************************************************
**
** 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_PatternMatchingFNs_H
#define Patternist_PatternMatchingFNs_H
#include "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_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Implements the function <tt>fn:matches()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <fenglich@trolltech.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 <fenglich@trolltech.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 <fenglich@trolltech.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
QT_END_HEADER
#endif
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