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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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qcommonsequencetypes_p.h"
#include "qgenericsequencetype_p.h"
#include "qitemmappingiterator_p.h"
#include "qpatternistlocale_p.h"
#include "qitemverifier_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
ItemVerifier::ItemVerifier(const Expression::Ptr &operand,
const ItemType::Ptr &reqType,
const ReportContext::ErrorCode errorCode) : SingleContainer(operand),
m_reqType(reqType),
m_errorCode(errorCode)
{
Q_ASSERT(reqType);
}
void ItemVerifier::verifyItem(const Item &item, const DynamicContext::Ptr &context) const
{
if(m_reqType->itemMatches(item))
return;
context->error(QtXmlPatterns::tr("The item %1 did not match the required type %2.")
.arg(formatData(item.stringValue()),
formatType(context->namePool(), m_reqType)),
m_errorCode,
this);
}
const SourceLocationReflection *ItemVerifier::actualReflection() const
{
return m_operand->actualReflection();
}
Item ItemVerifier::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item item(m_operand->evaluateSingleton(context));
if(item)
{
verifyItem(item, context);
return item;
}
else
return Item();
}
Item ItemVerifier::mapToItem(const Item &item, const DynamicContext::Ptr &context) const
{
verifyItem(item, context);
return item;
}
Item::Iterator::Ptr ItemVerifier::evaluateSequence(const DynamicContext::Ptr &context) const
{
return makeItemMappingIterator<Item>(ConstPtr(this),
m_operand->evaluateSequence(context),
context);
}
SequenceType::Ptr ItemVerifier::staticType() const
{
return makeGenericSequenceType(m_reqType, m_operand->staticType()->cardinality());
}
SequenceType::List ItemVerifier::expectedOperandTypes() const
{
SequenceType::List result;
result.append(CommonSequenceTypes::ZeroOrMoreItems);
return result;
}
ExpressionVisitorResult::Ptr ItemVerifier::accept(const ExpressionVisitor::Ptr &visitor) const
{
return visitor->visit(this);
}
QT_END_NAMESPACE
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