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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** 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 "qcommonnamespaces_p.h"
#include "qboolean_p.h"
#include "qcommonvalues_p.h"
#include "qinteger_p.h"
#include "qatomicstring_p.h"
#include "qcomparestringfns_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
Item CodepointEqualFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item op1(m_operands.first()->evaluateSingleton(context));
if(!op1)
return Item();
const Item op2(m_operands.last()->evaluateSingleton(context));
if(!op2)
return Item();
if(caseSensitivity() == Qt::CaseSensitive)
return Boolean::fromValue(op1.stringValue() == op2.stringValue());
else
{
const QString s1(op1.stringValue());
const QString s2(op2.stringValue());
return Boolean::fromValue(s1.length() == s2.length() &&
s1.startsWith(s2, Qt::CaseInsensitive));
}
}
Item CompareFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item op1(m_operands.first()->evaluateSingleton(context));
if(!op1)
return Item();
const Item op2(m_operands.at(1)->evaluateSingleton(context));
if(!op2)
return Item();
const int retval = caseSensitivity() == Qt::CaseSensitive
? op1.stringValue().compare(op2.stringValue())
: op1.stringValue().toLower().compare(op2.stringValue().toLower());
if(retval > 0)
return CommonValues::IntegerOne;
else if(retval < 0)
return CommonValues::IntegerOneNegative;
else
{
Q_ASSERT(retval == 0);
return CommonValues::IntegerZero;
}
}
QT_END_NAMESPACE
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