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diff --git a/sdo-cpp/branches/sdo-cpp-pre2.1/runtime/core/src/commonj/sdo/ChangeSummaryBuilder.h b/sdo-cpp/branches/sdo-cpp-pre2.1/runtime/core/src/commonj/sdo/ChangeSummaryBuilder.h
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+++ b/sdo-cpp/branches/sdo-cpp-pre2.1/runtime/core/src/commonj/sdo/ChangeSummaryBuilder.h
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *   
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/* $Rev$ $Date$ */
+
+
+#ifndef _CHANGESUMMARYBUILDER_H_
+#define _CHANGESUMMARYBUILDER_H_
+
+#include "commonj/sdo/disable_warn.h"
+
+#include "commonj/sdo/SAX2Parser.h"
+#include "commonj/sdo/DataFactory.h"
+#include "commonj/sdo/DataObject.h"
+#include "commonj/sdo/SAX2Namespaces.h"
+#include "commonj/sdo/PropertySetting.h"
+#include "commonj/sdo/ChangeSummaryImpl.h"
+
+
+#include <stack>
+
+namespace commonj
+{
+    namespace sdo
+    {
+
+/**
+ * createDelete is a class holding a creation or deletion in 
+ * a change summary builder.
+ * When rebuilding a change summary from the serialized version
+ * creates and deletes are stored in these until they can be 
+ * converted into a change summary.
+ */
+
+
+        class createDelete
+        {
+        public:
+            createDelete();
+            createDelete(SDOXMLString intype);
+            virtual ~createDelete();
+            SDOXMLString type;
+            SDOXMLString value;
+            int indexshift;
+        };
+
+/**
+ * changeAttribute is a class holding a changed attribute in a 
+ * change summary builder.
+ * When rebuilding a change summary from the serialized version
+ * changes are stored in these until they can be 
+ * converted into a change summary.
+ */
+
+        class changeAttribute
+        {
+        public:
+            changeAttribute();
+            changeAttribute(SDOXMLString inname,
+                            SDOXMLString invalue);
+            virtual ~changeAttribute();
+            SDOXMLString name;
+            SDOXMLString value;
+        };
+
+/**
+ * changeElement is a class holding a changed element in a change summary builder.
+ * When rebuilding a change summary from the serialized version
+ * changes are stored in these until they can be 
+ * converted into a change summary.
+ */
+        class changeElement
+        {
+        public:
+            changeElement();
+            changeElement(SDOXMLString inname, 
+                        SDOXMLString inpath, bool isRef, bool isDel);
+            changeElement(SDOXMLString inname,
+                        SDOXMLString inpath,
+                          SDOXMLString invalue, bool isRef, bool isDel);
+            virtual ~changeElement();
+            SDOXMLString name;
+            SDOXMLString value;
+            SDOXMLString path;
+            bool isReference;
+            bool isDeletion;
+            int index;
+        };
+
+/**
+ * change is a class holding a change in a change summary builder.
+ * When rebuilding a change summary from the serialized version
+ * changes are stored in these until they can be 
+ * converted into a change summary.
+ * Changes consist of changeAttributes and changeElements
+ */
+
+
+        class change
+        {
+        public:
+            change();
+            change(SDOXMLString inname, SDOXMLString ref);
+            void addAttribute(changeAttribute ca);
+            void addElement(changeElement ce);
+            std::list<changeAttribute> attributes;
+            std::list<changeElement> elements;
+            SDOXMLString name;
+            SDOXMLString reference;
+        };
+        
+/**
+ * deletionAttribute is a class holding a deletion attribute in a change summary builder.
+ * When rebuilding a change summary from the serialized version
+ * deletions are stored in these until they can be 
+ * converted into a change summary.
+ * Changes consist of deletionAttributes and deletionElements
+ */
+        class deletionAttribute
+        {
+        public:
+            deletionAttribute();
+            deletionAttribute(SDOXMLString inname,
+                            SDOXMLString invalue);
+            virtual ~deletionAttribute();
+            SDOXMLString name;
+            SDOXMLString value;
+        };
+
+/**
+ * deletionElement is a class holding a deletion element in a change summary builder.
+ * When rebuilding a change summary from the serialized version
+ * deletions are stored in these until they can be 
+ * converted into a change summary.
+ * Changes consist of deletionAttributes and deletionElements
+ */
+        class deletionElement
+        {
+        public:
+            deletionElement();
+            deletionElement(SDOXMLString inname);
+            deletionElement(SDOXMLString inname,
+                            SDOXMLString inpath, int inindex);
+            virtual ~deletionElement();
+            SDOXMLString name;
+            SDOXMLString value;
+            bool isDeletion;
+            int index;
+        };
+
+
+/**
+ * deletions is a class holding a deletion in a change summary builder.
+ * When rebuilding a change summary from the serialized version
+ * deletions are stored in these until they can be 
+ * converted into a change summary.
+ * Changes consist of deletionAttributes and deletionElements
+ */
+
+        class deletion
+        {
+        public:
+            deletion();
+            deletion(SDOXMLString inname, SDOXMLString ref);
+            void addAttribute(deletionAttribute ca);
+            void addElement(deletionElement ce);
+            void insertElement(deletionElement ce);
+            SDOXMLString name;
+            SDOXMLString reference;
+            DataObjectPtr dob; /* the recreated one*/
+            std::list<deletionAttribute> attributes;
+            std::list<deletionElement> elements;
+            bool completedprocessing;
+        };
+
+    /** deletionListElement is an item in a list of deletions in a change summary builder.
+     *
+     * All the deletions are stored whilst rebuilding a change
+     * summary, then applied. These list elements hold them.
+     */
+
+        class deletionListElement
+        {
+        public:
+            deletionListElement();
+            deletionListElement(deletion in_del, int in_index, SDOXMLString in_prev);
+            SDOXMLString previous;
+            deletion del;
+            int index;
+        };
+
+/**
+ * The ChangeSummaryBuilder recreates a change summary from the
+ * XML representations of the changes, creations and deletions.
+ * It does this by populating a list of changes as though they had
+ * been applied to the current data graph.
+ */
+
+        class ChangeSummaryBuilder
+        {
+
+            
+        public:
+            
+            enum CsState
+            {
+             baseState,
+             dealingWithCreateDelete,
+             dealingWithChange,
+             dealingWithChangeElement,
+             dealingWithDeletion,
+             dealingWithDeletionElement
+            };
+
+
+            ChangeSummaryBuilder(
+                DataFactoryPtr df,
+                DataObjectPtr& rootDO);
+            
+            virtual ~ChangeSummaryBuilder();
+
+    
+            virtual void processStart(
+                const SDOXMLString& localname,
+                const SDOXMLString& prefix,
+                const SDOXMLString& URI,
+                const SAX2Namespaces& namespaces,
+                const SAX2Attributes& attributes);
+
+            virtual void processChars(
+                const SDOXMLString& chars);
+
+            virtual void processEnd(
+                const SDOXMLString& localname,
+                const SDOXMLString& prefix,
+                const SDOXMLString& URI);
+
+            virtual void buildChangeSummary(
+                 DataObjectPtr changeSummaryDO);
+
+            virtual void populateDeletion(ChangeSummaryImpl* csi, DataObjectPtr dob,
+                                            int index);
+
+            virtual void handleDeletion(
+                              ChangeSummaryImpl* csi, 
+                              int currentIndex, 
+                              DataObjectPtr cont,
+                              SDOXMLString path,
+                              SDOXMLString prop);
+
+            virtual void handleDeletion(ChangeSummaryImpl* csi,
+                int index,
+                SDOXMLString path);
+
+            void shiftIndices(int index, int delta);
+            
+            SDOXMLString shiftedIndex(int index);
+
+
+        private:
+            DataFactoryPtr dataFactory;
+            DataObjectPtr&  rootDataObject;
+            
+            CsState currentState;
+
+            std::vector<deletionListElement> deletionList;
+            std::vector<SDOXMLString> currentLocation;
+            std::vector<createDelete> createDeletes;
+
+            std::vector<change> changes;
+            change currentChange;
+            SDOXMLString previousChange;
+            SDOXMLString currentLocalName;
+            int changeIndex;
+
+            std::vector<deletion> deletions;
+            deletion currentDeletion;
+            SDOXMLString previousDeletion;
+            int deletionIndex;
+            int deletionLevel;
+
+
+        };
+    } // End - namespace sdo
+} // End - namespace commonj
+
+#endif //_CHANGESUMMARYBUILDER_H_