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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_String_H
#define Patternist_String_H
#include <QUrl>
#include "qitem_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Implements the value instance of the @c xs:string type.
*
*
* This class was originally called String, and correspondingly the header
* file was called String.h. However, this broke building on OS X, which
* looks up file names case insensitively, and therefore found string.h.
*
* @author Frans Englich <fenglich@trolltech.com>
* @ingroup Patternist_xdm
* @todo Documentation is missing/incomplete
*/
class Q_AUTOTEST_EXPORT AtomicString : public AtomicValue
{
public:
friend class CommonValues;
typedef AtomicValue::Ptr Ptr;
/**
* Creates an instance representing @p value.
*
* @note This function does not remove the string literal escaping allowed in XPath 2.0
*/
static AtomicString::Ptr fromValue(const QString &value);
static inline AtomicString::Ptr fromValue(const QUrl &value)
{
return fromValue(value.toString());
}
/**
* Get the Effective %Boolean Value of this string. A zero-length
* string has an effective boolean value of @c false, in all other cases @c true.
*
* @returns @c false if the contained string has a zero-length, otherwise @c true.
*/
virtual bool evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const;
/**
* The string value of a AtomicString instance is the value space.
*/
virtual QString stringValue() const;
virtual ItemType::Ptr type() const;
protected:
friend class StringComparator;
friend class CompareFN;
AtomicString(const QString &value);
const QString m_value;
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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