diff -r 000000000000 -r 1918ee327afb src/xmlpatterns/schema/qxsdidchelper.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/schema/qxsdidchelper.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,137 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 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 "qxsdidchelper_p.h"
+
+#include "qderivedstring_p.h"
+#include "qxsdschemahelper_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+FieldNode::FieldNode()
+{
+}
+
+FieldNode::FieldNode(const QXmlItem &item, const QString &data, const SchemaType::Ptr &type)
+    : m_item(item)
+    , m_data(data)
+    , m_type(type)
+{
+}
+
+bool FieldNode::isEmpty() const
+{
+    return m_item.isNull();
+}
+
+bool FieldNode::isEqualTo(const FieldNode &other, const NamePool::Ptr &namePool, const ReportContext::Ptr &context, const SourceLocationReflection *const reflection) const
+{
+    if (m_type != other.m_type)
+        return false;
+
+    const DerivedString<TypeString>::Ptr string = DerivedString<TypeString>::fromLexical(namePool, m_data);
+    const DerivedString<TypeString>::Ptr otherString = DerivedString<TypeString>::fromLexical(namePool, other.m_data);
+
+    return XsdSchemaHelper::constructAndCompare(string, AtomicComparator::OperatorEqual, otherString, m_type, context, reflection);
+}
+
+QXmlItem FieldNode::item() const
+{
+    return m_item;
+}
+
+TargetNode::TargetNode(const QXmlItem &item)
+    : m_item(item)
+{
+}
+
+QXmlItem TargetNode::item() const
+{
+    return m_item;
+}
+
+QVector<QXmlItem> TargetNode::fieldItems() const
+{
+    QVector<QXmlItem> items;
+
+    for (int i = 0; i < m_fields.count(); ++i)
+        items.append(m_fields.at(i).item());
+
+    return items;
+}
+
+int TargetNode::emptyFieldsCount() const
+{
+    int counter = 0;
+    for (int i = 0; i < m_fields.count(); ++i) {
+        if (m_fields.at(i).isEmpty())
+            ++counter;
+    }
+
+    return counter;
+}
+
+bool TargetNode::fieldsAreEqual(const TargetNode &other, const NamePool::Ptr &namePool, const ReportContext::Ptr &context, const SourceLocationReflection *const reflection) const
+{
+    if (m_fields.count() != other.m_fields.count())
+        return false;
+
+    for (int i = 0; i < m_fields.count(); ++i) {
+        if (!m_fields.at(i).isEqualTo(other.m_fields.at(i), namePool, context, reflection))
+            return false;
+    }
+
+    return true;
+}
+
+void TargetNode::addField(const QXmlItem &item, const QString &data, const SchemaType::Ptr &type)
+{
+    m_fields.append(FieldNode(item, data, type));
+}
+
+bool TargetNode::operator==(const TargetNode &other) const
+{
+    return (m_item.toNodeModelIndex() == other.m_item.toNodeModelIndex());
+}
+
+QT_END_NAMESPACE