C# Serialization.ClassMap类代码示例

		internal XmlMembersMapping (string elementName, string ns, bool hasWrapperElement, bool writeAccessors, XmlMemberMapping[] mapping)
		: base (elementName, ns)
		{
			_hasWrapperElement = hasWrapperElement;
			_mapping = mapping;

			ClassMap map = new ClassMap ();
			map.IgnoreMemberNamespace = writeAccessors;
			foreach (XmlMemberMapping mm in mapping)
				map.AddMember (mm.TypeMapMember);
			ObjectMap = map;
		}

		void ImportParticleComplexContent (XmlQualifiedName typeQName, ClassMap cmap, XmlSchemaParticle particle, CodeIdentifiers classIds, bool isMixed)
		{
			ImportParticleContent (typeQName, cmap, particle, classIds, false, ref isMixed);
			if (isMixed && cmap.XmlTextCollector == null)
			{
				XmlTypeMapMemberFlatList member = new XmlTypeMapMemberFlatList ();
				member.Name = classIds.AddUnique ("Text", member);
				member.TypeData = TypeTranslator.GetTypeData (typeof(string[]));
				member.ElementInfo.Add (CreateTextElementInfo (typeQName.Namespace, member, member.TypeData.ListItemTypeData));
				member.IsXmlTextCollector = true;
				member.ListMap = new ListMap ();
				member.ListMap.ItemInfo = member.ElementInfo;
				cmap.AddMember (member);
			}
		}

		void ImportSequenceContent (XmlQualifiedName typeQName, ClassMap cmap, XmlSchemaObjectCollection items, CodeIdentifiers classIds, bool multiValue, ref bool isMixed)
		{
			foreach (XmlSchemaObject item in items)
			{
				if (item is XmlSchemaElement)
				{
					string ns;
					XmlSchemaElement elem = (XmlSchemaElement) item;
					XmlTypeMapping emap;
					TypeData typeData = GetElementTypeData (typeQName, elem, null, out emap);
					XmlSchemaElement refElem = GetRefElement (typeQName, elem, out ns);

					if (elem.MaxOccurs == 1 && !multiValue)
					{
						XmlTypeMapMemberElement member = null;
						if (typeData.SchemaType != SchemaTypes.Array)
						{
							member = new XmlTypeMapMemberElement ();
							if (refElem.DefaultValue != null) member.DefaultValue = ImportDefaultValue (typeData, refElem.DefaultValue);
						}
						else if (GetTypeMapping (typeData).IsSimpleType)
						{
							// It is a simple list (space separated list).
							// Since this is not supported, map as a single item value
							member = new XmlTypeMapMemberElement ();
#if NET_2_0
							// In MS.NET those types are mapped to a string
							typeData = TypeTranslator.GetTypeData(typeof(string));
#else
							typeData = typeData.ListItemTypeData;
#endif
						}
						else
							member = new XmlTypeMapMemberList ();

						if (elem.MinOccurs == 0 && typeData.IsValueType)
							member.IsOptionalValueType = true;

						member.Name = classIds.AddUnique(CodeIdentifier.MakeValid(refElem.Name), member);
						member.Documentation = GetDocumentation (elem);
						member.TypeData = typeData;
						member.ElementInfo.Add (CreateElementInfo (ns, member, refElem.Name, typeData, refElem.IsNillable, refElem.Form, emap, items.IndexOf (item)));
						cmap.AddMember (member);
					}
					else
					{
						XmlTypeMapMemberFlatList member = new XmlTypeMapMemberFlatList ();
						member.ListMap = new ListMap ();
						member.Name = classIds.AddUnique(CodeIdentifier.MakeValid(refElem.Name), member);
						member.Documentation = GetDocumentation (elem);
						member.TypeData = typeData.ListTypeData;
						member.ElementInfo.Add (CreateElementInfo (ns, member, refElem.Name, typeData, refElem.IsNillable, refElem.Form, emap, items.IndexOf (item)));
						member.ListMap.ItemInfo = member.ElementInfo;
						cmap.AddMember (member);
					}
				}
				else if (item is XmlSchemaAny)
				{
					XmlSchemaAny elem = (XmlSchemaAny) item;
					XmlTypeMapMemberAnyElement member = new XmlTypeMapMemberAnyElement ();
					member.Name = classIds.AddUnique ("Any", member);
					member.Documentation = GetDocumentation (elem);
					
					Type ctype;
					if (elem.MaxOccurs != 1 || multiValue)
						ctype = isMixed ? typeof(XmlNode[]) : typeof(XmlElement[]);
					else
						ctype = isMixed ? typeof(XmlNode) : typeof(XmlElement);

					member.TypeData = TypeTranslator.GetTypeData (ctype);
					XmlTypeMapElementInfo einfo = new XmlTypeMapElementInfo (member, member.TypeData);
					einfo.IsUnnamedAnyElement = true;
					member.ElementInfo.Add (einfo);

					if (isMixed)
					{
						einfo = CreateTextElementInfo (typeQName.Namespace, member, member.TypeData);
						member.ElementInfo.Add (einfo);
						member.IsXmlTextCollector = true;
						isMixed = false;	//Allow only one XmlTextAttribute
					}
					
					cmap.AddMember (member);
				}
				else if (item is XmlSchemaParticle) {
					ImportParticleContent (typeQName, cmap, (XmlSchemaParticle)item, classIds, multiValue, ref isMixed);
				}
			}
		}

		void AddTextMember (XmlQualifiedName typeQName, ClassMap cmap, CodeIdentifiers classIds)
		{
			if (cmap.XmlTextCollector == null)
			{
				XmlTypeMapMemberFlatList member = new XmlTypeMapMemberFlatList ();
				member.Name = classIds.AddUnique ("Text", member);
				member.TypeData = TypeTranslator.GetTypeData (typeof(string[]));
				member.ElementInfo.Add (CreateTextElementInfo (typeQName.Namespace, member, member.TypeData.ListItemTypeData));
				member.IsXmlTextCollector = true;
				member.ListMap = new ListMap ();
				member.ListMap.ItemInfo = member.ElementInfo;
				cmap.AddMember (member);
			}
		}

		ListMap BuildArrayMap (XmlQualifiedName typeQName, XmlSchemaComplexType stype, out TypeData arrayTypeData)
		{
			if (encodedFormat)
			{
				XmlSchemaComplexContent content = stype.ContentModel as XmlSchemaComplexContent;
				XmlSchemaComplexContentRestriction rest = content.Content as XmlSchemaComplexContentRestriction;
				XmlSchemaAttribute arrayTypeAt = FindArrayAttribute (rest.Attributes);
				
				if (arrayTypeAt != null)
				{
					XmlAttribute[] uatts = arrayTypeAt.UnhandledAttributes;
					if (uatts == null || uatts.Length == 0) throw new InvalidOperationException ("arrayType attribute not specified in array declaration: " + typeQName);
					
					XmlAttribute xat = null;
					foreach (XmlAttribute at in uatts)
						if (at.LocalName == "arrayType" && at.NamespaceURI == XmlSerializer.WsdlNamespace)
							{ xat = at; break; }
					
					if (xat == null) 
						throw new InvalidOperationException ("arrayType attribute not specified in array declaration: " + typeQName);
	
					string name, ns, dims;
					TypeTranslator.ParseArrayType (xat.Value, out name, out ns, out dims);
					return BuildEncodedArrayMap (name + dims, ns, out arrayTypeData);
				}
				else
				{
					XmlSchemaElement elem = null;
					XmlSchemaSequence seq = rest.Particle as XmlSchemaSequence;
					if (seq != null && seq.Items.Count == 1) 
						elem = seq.Items[0] as XmlSchemaElement;
					else {
						XmlSchemaAll all = rest.Particle as XmlSchemaAll;
						if (all != null && all.Items.Count == 1)
							elem = all.Items[0] as XmlSchemaElement;
					}
					if (elem == null)
						throw new InvalidOperationException ("Unknown array format");
						
					return BuildEncodedArrayMap (elem.SchemaTypeName.Name + "[]", elem.SchemaTypeName.Namespace, out arrayTypeData);
				}
			}
			else
			{
				ClassMap cmap = new ClassMap ();
				CodeIdentifiers classIds = new CodeIdentifiers();
				ImportParticleComplexContent (typeQName, cmap, stype.Particle, classIds, stype.IsMixed);

				XmlTypeMapMemberFlatList list = (cmap.AllMembers.Count == 1) ? cmap.AllMembers[0] as XmlTypeMapMemberFlatList : null;
				if (list != null && list.ChoiceMember == null)
				{
					arrayTypeData = list.TypeData;
					return list.ListMap;
				}
				else
				{
					arrayTypeData = null;
					return null;
				}
			}
		}

		void ImportAttributes (XmlQualifiedName typeQName, ClassMap cmap, XmlSchemaObjectCollection atts, XmlSchemaAnyAttribute anyat, CodeIdentifiers classIds)
		{
			atts = CollectAttributeUsesNonOverlap (atts, cmap);

			if (anyat != null)
			{
    			XmlTypeMapMemberAnyAttribute member = new XmlTypeMapMemberAnyAttribute ();
				member.Name = classIds.AddUnique ("AnyAttribute", member);
				member.TypeData = TypeTranslator.GetTypeData (typeof(XmlAttribute[]));
				cmap.AddMember (member);
			}
			
			foreach (XmlSchemaObject at in atts)
			{
				if (at is XmlSchemaAttribute)
				{
					string ns;
					XmlSchemaAttribute attr = (XmlSchemaAttribute)at;
					XmlSchemaAttribute refAttr = GetRefAttribute (typeQName, attr, out ns);
					XmlTypeMapMemberAttribute member = new XmlTypeMapMemberAttribute ();
					member.Name = classIds.AddUnique (CodeIdentifier.MakeValid (refAttr.Name), member);
					member.Documentation = GetDocumentation (attr);
					member.AttributeName = refAttr.Name;
					member.Namespace = ns;
					member.Form = refAttr.Form;
					member.TypeData = GetAttributeTypeData (typeQName, attr);
					
					if (refAttr.DefaultValue != null) 
						member.DefaultValue = ImportDefaultValue (member.TypeData, refAttr.DefaultValue);
					else if (member.TypeData.IsValueType)
						member.IsOptionalValueType = (refAttr.ValidatedUse != XmlSchemaUse.Required);
						
					if (member.TypeData.IsComplexType)
						member.MappedType = GetTypeMapping (member.TypeData);
					cmap.AddMember (member);
				}
				else if (at is XmlSchemaAttributeGroupRef)
				{
					XmlSchemaAttributeGroupRef gref = (XmlSchemaAttributeGroupRef)at;
					XmlSchemaAttributeGroup grp = FindRefAttributeGroup (gref.RefName);
					ImportAttributes (typeQName, cmap, grp.Attributes, grp.AnyAttribute, classIds);
				}
			}
		}

		XmlMemberMapping[] ImportMembersMappingComposite (XmlSchemaComplexType stype, XmlQualifiedName refer)
		{
			if (stype.Particle == null) 
				return new XmlMemberMapping [0];

			ClassMap cmap = new ClassMap ();
			
			XmlSchemaSequence seq = stype.Particle as XmlSchemaSequence;
			if (seq == null) throw new InvalidOperationException ("Schema element '" + refer + "' cannot be imported as XmlMembersMapping");

			CodeIdentifiers classIds = new CodeIdentifiers ();
			ImportParticleComplexContent (refer, cmap, seq, classIds, false);
			ImportAttributes (refer, cmap, stype.Attributes, stype.AnyAttribute, classIds);

			BuildPendingMaps ();

			int n = 0;
			XmlMemberMapping[] mapping = new XmlMemberMapping [cmap.AllMembers.Count];
			foreach (XmlTypeMapMember mapMem in cmap.AllMembers)
				mapping[n++] = new XmlMemberMapping (mapMem.Name, refer.Namespace, mapMem, encodedFormat);
				
			return mapping;
		}

		public XmlMembersMapping ImportAnyType (XmlQualifiedName typeName, string elementName)
		{
			if (typeName == XmlQualifiedName.Empty)
			{
				XmlTypeMapMemberAnyElement mapMem = new XmlTypeMapMemberAnyElement ();
				mapMem.Name = typeName.Name;
				mapMem.TypeData = TypeTranslator.GetTypeData(typeof(XmlNode));
				mapMem.ElementInfo.Add (CreateElementInfo (typeName.Namespace, mapMem, typeName.Name, mapMem.TypeData, true, XmlSchemaForm.None, -1));
				
				XmlMemberMapping[] mm = new XmlMemberMapping [1];
				mm[0] = new XmlMemberMapping (typeName.Name, typeName.Namespace, mapMem, encodedFormat);
				return new XmlMembersMapping (mm);
			}
			else
			{
				XmlSchemaComplexType stype = (XmlSchemaComplexType) schemas.Find (typeName, typeof (XmlSchemaComplexType));
				if (stype == null) 
					throw new InvalidOperationException ("Referenced type '" + typeName + "' not found");
				
				if (!CanBeAnyElement (stype))
					throw new InvalidOperationException ("The type '" + typeName + "' is not valid for a collection of any elements");
					
				ClassMap cmap = new ClassMap ();
				CodeIdentifiers classIds = new CodeIdentifiers ();
				bool isMixed = stype.IsMixed;
				ImportSequenceContent (typeName, cmap, ((XmlSchemaSequence) stype.Particle).Items, classIds, false, ref isMixed);
				XmlTypeMapMemberAnyElement mapMem = (XmlTypeMapMemberAnyElement) cmap.AllMembers[0];
				mapMem.Name = typeName.Name;
				
				XmlMemberMapping[] mm = new XmlMemberMapping [1];
				mm[0] = new XmlMemberMapping (typeName.Name, typeName.Namespace, mapMem, encodedFormat);
				return new XmlMembersMapping (mm);
			}
		}

		void ExportMembersMapSchema (XmlSchema schema, ClassMap map, XmlTypeMapping baseMap, XmlSchemaObjectCollection outAttributes, out XmlSchemaSequence particle, out XmlSchemaAnyAttribute anyAttribute)
		{
			particle = null;
			XmlSchemaSequence seq = new XmlSchemaSequence ();

			ICollection members = map.ElementMembers;
			if (members != null && !map.HasSimpleContent)
			{
				foreach (XmlTypeMapMemberElement member in members)
				{
					if (baseMap != null && DefinedInBaseMap (baseMap, member)) continue;

					Type memType = member.GetType();
					if (memType == typeof(XmlTypeMapMemberFlatList))
					{
						XmlSchemaParticle part = GetSchemaArrayElement (schema, member.ElementInfo);
						if (part != null) seq.Items.Add (part);
					}
					else if (memType == typeof(XmlTypeMapMemberAnyElement))
					{
						seq.Items.Add (GetSchemaArrayElement (schema, member.ElementInfo));
					}
					else if (memType == typeof(XmlTypeMapMemberElement))
					{
						GetSchemaElement (schema, (XmlTypeMapElementInfo) member.ElementInfo [0], 
							member.DefaultValue, true, new XmlSchemaObjectContainer (seq));
					}
					else
					{
						GetSchemaElement (schema, (XmlTypeMapElementInfo) member.ElementInfo[0], 
							true, new XmlSchemaObjectContainer (seq));
					}
				}
			}

			if (seq.Items.Count > 0)
				particle = seq;

			// Write attributes

			ICollection attributes = map.AttributeMembers;
			if (attributes != null)
			{
				foreach (XmlTypeMapMemberAttribute attr in attributes) {
					if (baseMap != null && DefinedInBaseMap (baseMap, attr)) continue;
					outAttributes.Add (GetSchemaAttribute (schema, attr, true));
				}
			}

			XmlTypeMapMember anyAttrMember = map.DefaultAnyAttributeMember;
			if (anyAttrMember != null)
				anyAttribute = new XmlSchemaAnyAttribute ();
			else
				anyAttribute = null;
		}

			public FixupCallbackInfo (XmlSerializationReaderInterpreter sri, ClassMap map, bool isValueList)
			{
				_sri = sri;
				_map = map;
				_isValueList = isValueList;
			}

		internal void FixupMembers (ClassMap map, object obfixup, bool isValueList)
		{
			Fixup fixup = (Fixup)obfixup;
			ICollection members = map.ElementMembers;
			string[] ids = fixup.Ids;
			foreach (XmlTypeMapMember member in members)
			{
				if (ids[member.Index] != null)
					SetMemberValue (member, fixup.Source, GetTarget(ids[member.Index]), isValueList);
			}
		}

		void SetListMembersDefaults (ClassMap map, object ob, bool isValueList)
		{
			if (map.ListMembers != null)
			{
				ArrayList members = map.ListMembers;
				for (int n=0; n<members.Count; n++) {
					XmlTypeMapMember mem = (XmlTypeMapMember) members[n];
					if (IsReadOnly (mem, mem.TypeData, ob, isValueList))
						continue;
					if (GetMemberValue (mem, ob, isValueList) == null)
						SetMemberValue (mem, ob, InitializeList (mem.TypeData), isValueList);
				}
			}
		}

		void ReadMembers (ClassMap map, object ob, bool isValueList, bool readByOrder)
		{
			// Reads attributes
			ReadAttributeMembers (map, ob, isValueList);

			if (!isValueList)
			{
				Reader.MoveToElement();
				if (Reader.IsEmptyElement) { 
					SetListMembersDefaults (map, ob, isValueList);
					return;
				}

				Reader.ReadStartElement();
			}

			// Reads elements

			bool[] readFlag = new bool[(map.ElementMembers != null) ? map.ElementMembers.Count : 0];

			bool hasAnyReturnMember = (isValueList && _format == SerializationFormat.Encoded && map.ReturnMember != null);
			
			Reader.MoveToContent();

			int[] indexes = null;
			object[] flatLists = null;
			object[] flatListsChoices = null;
			Fixup fixup = null;
			int ind = 0;
			int maxInd;

			if (readByOrder) {
				if (map.ElementMembers != null) maxInd = map.ElementMembers.Count;
				else maxInd = 0;
			}
			else
				maxInd = int.MaxValue;

			if (map.FlatLists != null) 
			{
				indexes = new int[map.FlatLists.Count];
				flatLists = new object[map.FlatLists.Count];
				foreach (XmlTypeMapMemberExpandable mem in map.FlatLists) {
					if (IsReadOnly (mem, mem.TypeData, ob, isValueList))
						flatLists [mem.FlatArrayIndex] = mem.GetValue (ob);
					else if (mem.TypeData.Type.IsArray) {
						flatLists [mem.FlatArrayIndex] = InitializeList (mem.TypeData);
					}
					else {
						object list = mem.GetValue (ob);
						if (list == null) {
							list = InitializeList (mem.TypeData);
							SetMemberValue (mem, ob, list, isValueList);
						}
						flatLists [mem.FlatArrayIndex] = list;
					}
						
					if (mem.ChoiceMember != null) {
						if (flatListsChoices == null)
							flatListsChoices = new object [map.FlatLists.Count];
						flatListsChoices [mem.FlatArrayIndex] = InitializeList (mem.ChoiceTypeData);
					}
				}
			}
			
			if (_format == SerializationFormat.Encoded && map.ElementMembers != null)
			{
				FixupCallbackInfo info = new FixupCallbackInfo (this, map, isValueList);
				fixup = new Fixup(ob, new XmlSerializationFixupCallback(info.FixupMembers), map.ElementMembers.Count);
				AddFixup (fixup);
			}

			while (Reader.NodeType != System.Xml.XmlNodeType.EndElement && (ind < maxInd)) 
			{
				if (Reader.NodeType == System.Xml.XmlNodeType.Element) 
				{
					XmlTypeMapElementInfo info;
					
					if (readByOrder) {
						info = map.GetElement (ind++);
					}
					else if (hasAnyReturnMember) {
						info = (XmlTypeMapElementInfo) ((XmlTypeMapMemberElement)map.ReturnMember).ElementInfo[0];
						hasAnyReturnMember = false;
					}
					else
						info = map.GetElement (Reader.LocalName, Reader.NamespaceURI);
						
					if (info != null && !readFlag[info.Member.Index] )
					{
						if (info.Member.GetType() == typeof (XmlTypeMapMemberList))
						{
							if (_format == SerializationFormat.Encoded && info.MultiReferenceType)
							{
								object list = ReadReferencingElement (out fixup.Ids[info.Member.Index]);
								if (fixup.Ids[info.Member.Index] == null)	// Already read
								{
									if (IsReadOnly (info.Member, info.TypeData, ob, isValueList)) throw CreateReadOnlyCollectionException (info.TypeData.FullTypeName);
									else SetMemberValue (info.Member, ob, list, isValueList);
								}
//.........这里部分代码省略.........

		void ReadAttributeMembers (ClassMap map, object ob, bool isValueList)
		{
			XmlTypeMapMember anyAttrMember = map.DefaultAnyAttributeMember;
			int anyAttributeIndex = 0;
			object anyAttributeArray = null;

			while (Reader.MoveToNextAttribute())
			{
				XmlTypeMapMemberAttribute member = map.GetAttribute (Reader.LocalName, Reader.NamespaceURI);

				if (member != null) 
				{
					SetMemberValue (member, ob, GetValueFromXmlString (Reader.Value, member.TypeData, member.MappedType), isValueList);
				}
				else if (IsXmlnsAttribute(Reader.Name)) 
				{
					// If the map has NamespaceDeclarations,
					// then store this xmlns to the given member.
					// If the instance doesn't exist, then create.
					if (map.NamespaceDeclarations != null) {
						XmlSerializerNamespaces nss = this.GetMemberValue (map.NamespaceDeclarations, ob, isValueList) as XmlSerializerNamespaces;
						if (nss == null) {
							nss = new XmlSerializerNamespaces ();
							SetMemberValue (map.NamespaceDeclarations, ob, nss, isValueList);
						}
						if (Reader.Prefix == "xmlns")
							nss.Add (Reader.LocalName, Reader.Value);
						else
							nss.Add ("", Reader.Value);
					}
				}	
				else if (anyAttrMember != null) 
				{
					XmlAttribute attr = (XmlAttribute) Document.ReadNode(Reader);
					ParseWsdlArrayType (attr);
					AddListValue (anyAttrMember.TypeData, ref anyAttributeArray, anyAttributeIndex++, attr, true);
				}
				else
					ProcessUnknownAttribute(ob);
			}

			if (anyAttrMember != null)
			{
				anyAttributeArray = ShrinkArray ((Array)anyAttributeArray, anyAttributeIndex, anyAttrMember.TypeData.Type.GetElementType(), true);
				SetMemberValue (anyAttrMember, ob, anyAttributeArray, isValueList);
			}
			Reader.MoveToElement ();
		}

		void GenerateSetListMembersDefaults (XmlTypeMapping typeMap, ClassMap map, string ob, bool isValueList)
		{
			if (map.ListMembers != null)
			{
				ArrayList members = map.ListMembers;
				for (int n=0; n<members.Count; n++) {
					XmlTypeMapMember mem = (XmlTypeMapMember) members[n];
					if (IsReadOnly (typeMap, mem, mem.TypeData, isValueList))
						continue;
					WriteLineInd ("if (" + GenerateGetMemberValue (mem, ob, isValueList) + " == null) {");
					GenerateSetMemberValue (mem, ob, GenerateInitializeList (mem.TypeData), isValueList);
					WriteLineUni ("}");
				}
			}
		}