diff -r 000000000000 -r 1918ee327afb src/xmlpatterns/janitors/qitemverifier.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/janitors/qitemverifier.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,122 @@
+/****************************************************************************
+**
+** 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 "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