/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include "qbuiltintypes_p.h"+
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#include "qitem_p.h"+
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#include "qvalidationerror_p.h"+
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+
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#include "qinteger_p.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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using namespace QPatternist;+
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+
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Item Integer::fromValue(const xsInteger num)+
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{+
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    return toItem(Integer::Ptr(new Integer(num)));+
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}+
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+
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AtomicValue::Ptr Integer::fromLexical(const QString &strNumeric)+
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{+
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    bool conversionOk = false;+
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    const xsInteger num = strNumeric.toLongLong(&conversionOk);+
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+
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    if(conversionOk)+
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        return AtomicValue::Ptr(new Integer(num));+
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    else+
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        return ValidationError::createError();+
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}+
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+
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Integer::Integer(const xsInteger num) : m_value(num)+
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{+
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}+
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+
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bool Integer::evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const+
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{+
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    return m_value != 0;+
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}+
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+
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QString Integer::stringValue() const+
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{+
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    return QString::number(m_value);+
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}+
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+
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ItemType::Ptr Integer::type() const+
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{+
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    return BuiltinTypes::xsInteger;+
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}+
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+
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xsDouble Integer::toDouble() const+
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{+
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    return static_cast<xsDouble>(m_value);+
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}+
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+
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xsInteger Integer::toInteger() const+
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{+
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    return m_value;+
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}+
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+
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xsFloat Integer::toFloat() const+
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{+
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    return static_cast<xsFloat>(m_value);+
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}+
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+
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xsDecimal Integer::toDecimal() const+
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{+
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    return static_cast<xsDecimal>(m_value);+
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}+
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+
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Numeric::Ptr Integer::round() const+
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{+
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    /* xs:integerS never has a mantissa. */+
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    return Numeric::Ptr(const_cast<Integer *>(this));+
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}+
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+
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Numeric::Ptr Integer::roundHalfToEven(const xsInteger /*scale*/) const+
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{+
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    return Numeric::Ptr(const_cast<Integer *>(this));+
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}+
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+
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Numeric::Ptr Integer::floor() const+
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{+
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    return Numeric::Ptr(const_cast<Integer *>(this));+
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}+
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+
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Numeric::Ptr Integer::ceiling() const+
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{+
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    return Numeric::Ptr(const_cast<Integer *>(this));+
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}+
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+
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Numeric::Ptr Integer::abs() const+
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{+
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    /* No reason to allocate an Integer if we're already absolute. */+
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    if(m_value < 0)+
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        return Numeric::Ptr(new Integer(qAbs(m_value)));+
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    else+
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        return Numeric::Ptr(const_cast<Integer *>(this));+
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}+
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+
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bool Integer::isNaN() const+
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{+
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    return false;+
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}+
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+
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bool Integer::isInf() const+
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{+
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    return false;+
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}+
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+
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Item Integer::toNegated() const+
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{+
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    return fromValue(-m_value);+
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}+
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+
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bool Integer::isSigned() const+
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{+
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    return true;+
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}+
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+
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qulonglong Integer::toUnsignedInteger() const+
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{+
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    Q_ASSERT_X(false, Q_FUNC_INFO,+
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               "It makes no sense to call this function, see Numeric::toUnsignedInteger().");+
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    return 0;+
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}+
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+
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QT_END_NAMESPACE+
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