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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 "qitem_p.h"
#include "qcommonsequencetypes_p.h"
#include "qgenericsequencetype_p.h"
#include "qitemmappingiterator_p.h"
#include "quntypedatomicconverter_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
UntypedAtomicConverter::UntypedAtomicConverter(const Expression::Ptr &operand,
const ItemType::Ptr &reqType,
const ReportContext::ErrorCode code) : SingleContainer(operand)
, CastingPlatform<UntypedAtomicConverter, true>(code)
, m_reqType(reqType)
{
Q_ASSERT(reqType);
}
Item::Iterator::Ptr UntypedAtomicConverter::evaluateSequence(const DynamicContext::Ptr &context) const
{
return makeItemMappingIterator<Item>(ConstPtr(this),
m_operand->evaluateSequence(context),
context);
}
Item UntypedAtomicConverter::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item item(m_operand->evaluateSingleton(context));
if(item)
return cast(item, context);
else /* Empty is allowed. UntypedAtomicConverter doesn't care about cardinality. */
return Item();
}
Expression::Ptr UntypedAtomicConverter::typeCheck(const StaticContext::Ptr &context,
const SequenceType::Ptr &reqType)
{
const Expression::Ptr me(SingleContainer::typeCheck(context, reqType));
/* Let the CastingPlatform look up its AtomicCaster. */
prepareCasting(context, m_operand->staticType()->itemType());
return me;
}
SequenceType::List UntypedAtomicConverter::expectedOperandTypes() const
{
SequenceType::List result;
result.append(CommonSequenceTypes::ZeroOrMoreAtomicTypes);
return result;
}
SequenceType::Ptr UntypedAtomicConverter::staticType() const
{
return makeGenericSequenceType(m_reqType,
m_operand->staticType()->cardinality());
}
ExpressionVisitorResult::Ptr UntypedAtomicConverter::accept(const ExpressionVisitor::Ptr &visitor) const
{
return visitor->visit(this);
}
const SourceLocationReflection *UntypedAtomicConverter::actualReflection() const
{
return m_operand.data();
}
QT_END_NAMESPACE
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