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/****************************************************************************
**
** Copyright (C) 2011 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qinteger_p.h"
#include "qindexofiterator_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
IndexOfIterator::IndexOfIterator(const Item::Iterator::Ptr &seq,
const Item &searchParam,
const AtomicComparator::Ptr &comp,
const DynamicContext::Ptr &context,
const Expression::ConstPtr &expr)
: m_seq(seq)
, m_searchParam(searchParam)
, m_context(context)
, m_expr(expr)
, m_position(0)
, m_seqPos(0)
{
Q_ASSERT(seq);
Q_ASSERT(searchParam);
prepareComparison(comp);
}
Item IndexOfIterator::next()
{
if(m_position == -1)
return Item();
const Item item(m_seq->next());
++m_seqPos;
if(!item)
{
m_current.reset();
m_position = -1;
return Item();
}
if(flexibleCompare(item, m_searchParam, m_context))
{
++m_position;
return Integer::fromValue(m_seqPos);
}
return next();
}
Item IndexOfIterator::current() const
{
return m_current;
}
xsInteger IndexOfIterator::position() const
{
return m_position;
}
Item::Iterator::Ptr IndexOfIterator::copy() const
{
return Item::Iterator::Ptr(new IndexOfIterator(m_seq->copy(),
m_searchParam,
comparator(),
m_context,
m_expr));
}
const SourceLocationReflection *IndexOfIterator::actualReflection() const
{
return m_expr.data();
}
QT_END_NAMESPACE
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