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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qbuiltintypes_p.h"
#include "qitem_p.h"
#include "qvalidationerror_p.h"
#include "qinteger_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
Item Integer::fromValue(const xsInteger num)
{
return toItem(Integer::Ptr(new Integer(num)));
}
AtomicValue::Ptr Integer::fromLexical(const QString &strNumeric)
{
bool conversionOk = false;
const xsInteger num = strNumeric.toLongLong(&conversionOk);
if(conversionOk)
return AtomicValue::Ptr(new Integer(num));
else
return ValidationError::createError();
}
Integer::Integer(const xsInteger num) : m_value(num)
{
}
bool Integer::evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const
{
return m_value != 0;
}
QString Integer::stringValue() const
{
return QString::number(m_value);
}
ItemType::Ptr Integer::type() const
{
return BuiltinTypes::xsInteger;
}
xsDouble Integer::toDouble() const
{
return static_cast<xsDouble>(m_value);
}
xsInteger Integer::toInteger() const
{
return m_value;
}
xsFloat Integer::toFloat() const
{
return static_cast<xsFloat>(m_value);
}
xsDecimal Integer::toDecimal() const
{
return static_cast<xsDecimal>(m_value);
}
Numeric::Ptr Integer::round() const
{
/* xs:integerS never has a mantissa. */
return Numeric::Ptr(const_cast<Integer *>(this));
}
Numeric::Ptr Integer::roundHalfToEven(const xsInteger /*scale*/) const
{
return Numeric::Ptr(const_cast<Integer *>(this));
}
Numeric::Ptr Integer::floor() const
{
return Numeric::Ptr(const_cast<Integer *>(this));
}
Numeric::Ptr Integer::ceiling() const
{
return Numeric::Ptr(const_cast<Integer *>(this));
}
Numeric::Ptr Integer::abs() const
{
/* No reason to allocate an Integer if we're already absolute. */
if(m_value < 0)
return Numeric::Ptr(new Integer(qAbs(m_value)));
else
return Numeric::Ptr(const_cast<Integer *>(this));
}
bool Integer::isNaN() const
{
return false;
}
bool Integer::isInf() const
{
return false;
}
Item Integer::toNegated() const
{
return fromValue(-m_value);
}
bool Integer::isSigned() const
{
return true;
}
qulonglong Integer::toUnsignedInteger() const
{
Q_ASSERT_X(false, Q_FUNC_INFO,
"It makes no sense to call this function, see Numeric::toUnsignedInteger().");
return 0;
}
QT_END_NAMESPACE
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