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diff --git a/src/xmlpatterns/schema/qxsdschemamerger.cpp b/src/xmlpatterns/schema/qxsdschemamerger.cpp
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+++ b/src/xmlpatterns/schema/qxsdschemamerger.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtXmlPatterns 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://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qxsdschemamerger_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+XsdSchemaMerger::XsdSchemaMerger(const XsdSchema::Ptr &schema, const XsdSchema::Ptr &otherSchema)
+{
+    merge(schema, otherSchema);
+}
+
+XsdSchema::Ptr XsdSchemaMerger::mergedSchema() const
+{
+    return m_mergedSchema;
+}
+
+void XsdSchemaMerger::merge(const XsdSchema::Ptr &schema, const XsdSchema::Ptr &otherSchema)
+{
+    m_mergedSchema = XsdSchema::Ptr(new XsdSchema(otherSchema->namePool()));
+
+    // first fill the merged schema with the values from schema
+    if (schema) {
+        const XsdElement::List elements = schema->elements();
+        for (int i = 0; i < elements.count(); ++i) {
+            m_mergedSchema->addElement(elements.at(i));
+        }
+
+        const XsdAttribute::List attributes = schema->attributes();
+        for (int i = 0; i < attributes.count(); ++i) {
+            m_mergedSchema->addAttribute(attributes.at(i));
+        }
+
+        const SchemaType::List types = schema->types();
+        for (int i = 0; i < types.count(); ++i) {
+            m_mergedSchema->addType(types.at(i));
+        }
+
+        const SchemaType::List anonymousTypes = schema->anonymousTypes();
+        for (int i = 0; i < anonymousTypes.count(); ++i) {
+            m_mergedSchema->addAnonymousType(anonymousTypes.at(i));
+        }
+
+        const XsdModelGroup::List elementGroups = schema->elementGroups();
+        for (int i = 0; i < elementGroups.count(); ++i) {
+            m_mergedSchema->addElementGroup(elementGroups.at(i));
+        }
+
+        const XsdAttributeGroup::List attributeGroups = schema->attributeGroups();
+        for (int i = 0; i < attributeGroups.count(); ++i) {
+            m_mergedSchema->addAttributeGroup(attributeGroups.at(i));
+        }
+
+        const XsdNotation::List notations = schema->notations();
+        for (int i = 0; i < notations.count(); ++i) {
+            m_mergedSchema->addNotation(notations.at(i));
+        }
+
+        const XsdIdentityConstraint::List identityConstraints = schema->identityConstraints();
+        for (int i = 0; i < identityConstraints.count(); ++i) {
+            m_mergedSchema->addIdentityConstraint(identityConstraints.at(i));
+        }
+    }
+
+    // then merge in the values from the otherSchema
+    {
+        const XsdElement::List elements = otherSchema->elements();
+        for (int i = 0; i < elements.count(); ++i) {
+            if (!m_mergedSchema->element(elements.at(i)->name(otherSchema->namePool())))
+                m_mergedSchema->addElement(elements.at(i));
+        }
+
+        const XsdAttribute::List attributes = otherSchema->attributes();
+        for (int i = 0; i < attributes.count(); ++i) {
+            if (!m_mergedSchema->attribute(attributes.at(i)->name(otherSchema->namePool())))
+                m_mergedSchema->addAttribute(attributes.at(i));
+        }
+
+        const SchemaType::List types = otherSchema->types();
+        for (int i = 0; i < types.count(); ++i) {
+            if (!m_mergedSchema->type(types.at(i)->name(otherSchema->namePool())))
+                m_mergedSchema->addType(types.at(i));
+        }
+
+        const SchemaType::List anonymousTypes = otherSchema->anonymousTypes();
+        for (int i = 0; i < anonymousTypes.count(); ++i) {
+            // add anonymous type as they are
+            m_mergedSchema->addAnonymousType(anonymousTypes.at(i));
+        }
+
+        const XsdModelGroup::List elementGroups = otherSchema->elementGroups();
+        for (int i = 0; i < elementGroups.count(); ++i) {
+            if (!m_mergedSchema->elementGroup(elementGroups.at(i)->name(otherSchema->namePool())))
+                m_mergedSchema->addElementGroup(elementGroups.at(i));
+        }
+
+        const XsdAttributeGroup::List attributeGroups = otherSchema->attributeGroups();
+        for (int i = 0; i < attributeGroups.count(); ++i) {
+            if (!m_mergedSchema->attributeGroup(attributeGroups.at(i)->name(otherSchema->namePool())))
+                m_mergedSchema->addAttributeGroup(attributeGroups.at(i));
+        }
+
+        const XsdNotation::List notations = otherSchema->notations();
+        for (int i = 0; i < notations.count(); ++i) {
+            if (!m_mergedSchema->notation(notations.at(i)->name(otherSchema->namePool())))
+                m_mergedSchema->addNotation(notations.at(i));
+        }
+
+        const XsdIdentityConstraint::List identityConstraints = otherSchema->identityConstraints();
+        for (int i = 0; i < identityConstraints.count(); ++i) {
+            if (!m_mergedSchema->identityConstraint(identityConstraints.at(i)->name(otherSchema->namePool())))
+                m_mergedSchema->addIdentityConstraint(identityConstraints.at(i));
+        }
+    }
+}
+
+QT_END_NAMESPACE