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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_CommonValues_H
#define Patternist_CommonValues_H
#include "qdaytimeduration_p.h"
#include "qyearmonthduration_p.h"
#include "qemptyiterator_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short A collection of common values.
*
* @author Frans Englich <fenglich@trolltech.com>
* @ingroup Patternist_xdm
* @todo Documentation is missing/incomplete
*/
class CommonValues
{
public:
/**
* An empty, zero-length string.
*
* @note It is not @c null, but empty.
*/
static const AtomicValue::Ptr EmptyString;
/**
* The string "true", the lexical representation of
* @c xs:boolean's value @c true.
*/
static const AtomicValue::Ptr TrueString;
/**
* The string "false", the lexical representation of
* @c xs:boolean's value @c false.
*/
static const AtomicValue::Ptr UntypedAtomicFalse;
/**
* The string "true", the lexical representation of
* @c xs:boolean's value @c true.
*/
static const AtomicValue::Ptr UntypedAtomicTrue;
/**
* The string "false", the lexical representation of
* @c xs:boolean's value @c false.
*/
static const AtomicValue::Ptr FalseString;
/**
* @returns a Boolean instance carrying the boolean value @c true.
* Use this value instead of Boolean::fromValue() if you
* know what boolean value you need.
*/
static const AtomicValue::Ptr BooleanTrue;
/**
* @returns a Boolean instance carrying the boolean value @c true.
* Use this value instead of Boolean::fromValue() if you
* know what boolean value you need.
*/
static const AtomicValue::Ptr BooleanFalse;
/**
* Not-a-Numeric typed as @c xs:double.
*/
static const AtomicValue::Ptr DoubleNaN;
/**
* Not-a-Number typed as @c xs:float, <tt>xs:float("NaN")</tt>.
*/
static const AtomicValue::Ptr FloatNaN;
/**
* Zero(0) typed as @c xs:integer, <tt>xs:integer("0")</tt>.
*/
static const Item IntegerZero;
/**
* An empty, "", @c xs:anyURI.
*/
static const AtomicValue::Ptr EmptyAnyURI;
/**
* The empty sequence.
*/
static const EmptyIterator<Item>::Ptr emptyIterator;
/**
* <tt>xs:float("-INF")</tt>
*/
static const AtomicValue::Ptr NegativeInfFloat;
/**
* <tt>xs:float("INF")</tt>
*/
static const AtomicValue::Ptr InfFloat;
/**
* <tt>xs:double("-INF")</tt>
*/
static const AtomicValue::Ptr NegativeInfDouble;
/**
* <tt>xs:double("INF")</tt>
*/
static const AtomicValue::Ptr InfDouble;
/**
* <tt>xs:float("1")</tt>
*/
static const AtomicValue::Ptr FloatOne;
/**
* <tt>xs:double("1")</tt>
*/
static const AtomicValue::Ptr DoubleOne;
/**
* <tt>xs:decimal("1")</tt>
*/
static const AtomicValue::Ptr DecimalOne;
/**
* <tt>xs:integer("1")</tt>
*/
static const Item IntegerOne;
/**
* <tt>xs:integer("-1")</tt>
*/
static const Item IntegerOneNegative;
/**
* <tt>xs:double("0")</tt>
*/
static const AtomicValue::Ptr DoubleZero;
/**
* <tt>xs:float("0")</tt>
*/
static const AtomicValue::Ptr FloatZero;
/**
* <tt>xs:integer("0")</tt>
*/
static const AtomicValue::Ptr DecimalZero;
/**
* The @c xs:dayTimeDuration value PT0S
*/
static const DayTimeDuration::Ptr DayTimeDurationZero;
/**
* The @c xs:yearMonthDuration value P0M
*/
static const DayTimeDuration::Ptr YearMonthDurationZero;
private:
/**
* The constructor is private because this class is not meant to be instantiated,
* but should only be used via its static const members.
*/
inline CommonValues();
Q_DISABLE_COPY(CommonValues)
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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