protected override void SerializeElements(object obj, XmlWriter writer, SerializationContext state)
		{
			base.SerializeElements (obj, writer, state);

			foreach (var item in (System.Collections.IEnumerable)obj)
			{
				if (state.ShouldSerialize(item, this.serializationMemberInfo))
				{
					ListItem listItem;

					if (typeToItemMap.TryGetValue(item.GetType(), out listItem))
					{
						writer.WriteStartElement(listItem.Alias);

						if (listItem.Attribute != null
							&& listItem.Attribute.SerializeAsValueNode
							&& listItem.Attribute.ValueNodeAttributeName != null
							&& listItem.Serializer is TypeSerializerWithSimpleTextSupport)
						{
							writer.WriteAttributeString(listItem.Attribute.ValueNodeAttributeName,
								((TypeSerializerWithSimpleTextSupport)listItem.Serializer).Serialize(item, state));
						}
						else
						{
							listItem.Serializer.Serialize(item, writer, state);
						}
					}
					else
					{
						if (this.dynamicTypeResolver == null)
						{
							throw new XmlSerializerException();
						}
						else
						{
							var type = this.dynamicTypeResolver.GetType(item);

							if (type == null)
							{
								throw new XmlSerializerException();
							}

							var serializer = cache.GetTypeSerializerBySupportedType(type);

							writer.WriteStartElement(this.dynamicTypeResolver.GetName(item));

							serializer.Serialize(item, writer, state);
						}
					}

					writer.WriteEndElement();
				}
			}
		}
示例#2
0
        /// <summary>
        /// Prescans the type.
        /// </summary>
        protected virtual void Scan(SerializerOptions options, bool includeIfUnattributed)
        {
            XmlApproachAttribute approach = null;
            XmlElementAttribute  elementAttribute;

            // Get the applicable attributes

            LoadAttributes(options);

            // Get the setter/getter and serializer

            if (memberInfo is FieldInfo)
            {
                getterSetter = new FieldGetterSetter(memberInfo);

                returnType = ((FieldInfo)memberInfo).FieldType;
            }
            else if (memberInfo is PropertyInfo)
            {
                var propertyInfo = (PropertyInfo)memberInfo;

                getterSetter = new PropertyGetterSetter(memberInfo);

                returnType = ((PropertyInfo)memberInfo).PropertyType;
            }
            else if (memberInfo is Type)
            {
                getterSetter = null;

                serializedName = memberInfo.Name;
                returnType     = (Type)memberInfo;
            }
            else
            {
                throw new ArgumentException($"Unsupported member type: {this.memberInfo.MemberType.ToString()}");
            }

            // Get the [XmlExclude] [XmlAttribute] or [XmlElement] attribute

            var attribute = GetFirstApplicableAttribute(false, typeof(XmlExcludeAttribute), typeof(XmlTextAttribute), typeof(XmlAttributeAttribute), typeof(XmlElementAttribute));

            if (attribute != null)
            {
                if (attribute is XmlExcludeAttribute)
                {
                    // This member needs to be excluded

                    serializedNodeType = XmlNodeType.None;
                }
                else if (attribute is XmlTextAttribute)
                {
                    serializedNodeType = XmlNodeType.Text;
                }
                else if ((approach = attribute as XmlApproachAttribute) != null)
                {
                    ApproachAttribute = approach;

                    // This member needs to be included as an attribute or an element

                    serializedNodeType = approach is XmlElementAttribute ? XmlNodeType.Element : XmlNodeType.Attribute;

                    if (approach.Type != null)
                    {
                        returnType = approach.Type;
                    }

                    serializedName      = approach.Name;
                    serializedNamespace = approach.Namespace;

                    if ((elementAttribute = approach as XmlElementAttribute) != null)
                    {
                        if (elementAttribute.SerializeAsValueNode)
                        {
                            serializeAsValueNodeAttributeName = elementAttribute.ValueNodeAttributeName;
                        }
                    }

                    if (approach.SerializeUnattribted)
                    {
                        this.includeIfUnattributed = true;
                    }

                    if (approach.SerializeIfNull)
                    {
                        this.serializeIfNull = true;
                    }
                }
            }
            else
            {
                if (includeIfUnattributed)
                {
                    serializedName = memberInfo.Name;

                    serializedNodeType = XmlNodeType.Element;
                }
                else
                {
                    serializedNodeType = XmlNodeType.None;
                }
            }

            if (serializedNodeType == XmlNodeType.None)
            {
                return;
            }

            // Check if the member should be serialized as CDATA

            attribute = GetFirstApplicableAttribute(typeof(XmlCDataAttribute));

            if (attribute != null)
            {
                serializeAsCData = ((XmlCDataAttribute)attribute).Enabled;
            }

            attribute = GetFirstApplicableAttribute(typeof(XmlVariableSubstitutionAttribute));

            if (attribute != null)
            {
                Substitutor = (IVariableSubstitutor)Activator.CreateInstance(((XmlVariableSubstitutionAttribute)attribute).SubstitutorType);
            }

            // Set the serialized (element or attribute) name to the name of the member if it hasn't already been set

            if (serializedName.Length == 0)
            {
                if (approach != null && approach.UseNameFromAttributedType && memberInfo.MemberType == MemberTypes.TypeInfo)
                {
                    serializedName = GetAttributeDeclaringType((Type)memberInfo, approach).Name;
                }
                else
                {
                    serializedName = this.memberInfo.Name.Left(PredicateUtils.ObjectEquals('`').Not());
                }
            }

            // Make the serialized (element or attribute) name lowercase if requested

            if (approach != null)
            {
                if (approach.MakeNameLowercase)
                {
                    serializedName = serializedName.ToLower();
                }
            }

            // Get the explicitly specified TypeSerializer if requested

            attribute = GetFirstApplicableAttribute(typeof(XmlTypeSerializerTypeAttribute));

            if (attribute != null)
            {
                if (((XmlTypeSerializerTypeAttribute)attribute).SerializerType != null)
                {
                    typeSerializer = typeSerializerCache.GetTypeSerializerBySerializerType(((XmlTypeSerializerTypeAttribute)attribute).SerializerType, this);

                    if (!returnType.IsAssignableFrom(typeSerializer.SupportedType))
                    {
                        throw new InvalidOperationException($"Explicitly specified serializer ({((XmlTypeSerializerTypeAttribute)attribute).SerializerType.Name}) doesn't support serializing of associated program element.");
                    }
                }
            }
            else
            {
                typeSerializer = typeSerializerCache.GetTypeSerializerBySupportedType(returnType, this);
            }

            // Check if the member should be treated as a null value if it is empty

            treatAsNullIfEmpty = HasApplicableAttribute(typeof(XmlTreatAsNullIfEmptyAttribute));

            // Check if the member's declared type is polymorphic

            var polymorphicTypeAttribute = (XmlPolymorphicTypeAttribute)GetFirstApplicableAttribute(typeof(XmlPolymorphicTypeAttribute));

            if (polymorphicTypeAttribute != null)
            {
                polymorphicTypeProvider = (IXmlDynamicTypeProvider)Activator.CreateInstance(polymorphicTypeAttribute.PolymorphicTypeProvider);
            }
        }
示例#3
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="memberInfo"></param>
        /// <param name="cache"></param>
        /// <param name="options"></param>
        private void Scan(SerializationMemberInfo memberInfo, TypeSerializerCache cache, SerializerOptions options)
        {
            IList attributes;
            SerializationMemberInfo smi;

            XmlSerializationAttribute[] attribs;

            attributes = new ArrayList(10);

            // Get the ElementType attributes specified on the type itself as long
            // as we're not the type itself!

            if (memberInfo.MemberInfo != memberInfo.LogicalType)
            {
                smi = new SerializationMemberInfo(memberInfo.LogicalType, options, cache);

                attribs = smi.GetApplicableAttributes(typeof(XmlListElementAttribute));

                foreach (Attribute a in attribs)
                {
                    attributes.Add(a);
                }
            }

            // Get the ElementType attributes specified on the member.

            attribs = memberInfo.GetApplicableAttributes(typeof(XmlListElementAttribute));

            foreach (Attribute a in attribs)
            {
                attributes.Add(a);
            }


            foreach (XmlListElementAttribute attribute in attributes)
            {
                SerializationMemberInfo smi2;
                ListItem listItem = new ListItem();

                smi2 = new SerializationMemberInfo(attribute.ItemType, options, cache);

                if (attribute.Alias == null)
                {
                    attribute.Alias = smi2.SerializedName;
                }

                listItem.Attribute = attribute;
                listItem.Alias     = attribute.Alias;

                // Check if a specific type of serializer is specified.

                if (attribute.SerializerType == null)
                {
                    // Figure out the serializer based on the type of the element.

                    listItem.Serializer = cache.GetTypeSerializerBySupportedType(attribute.ItemType, smi2);
                }
                else
                {
                    // Get the type of serializer they specify.

                    listItem.Serializer = cache.GetTypeSerializerBySerializerType(attribute.SerializerType, smi2);
                }

                m_TypeToItemMap[attribute.ItemType] = listItem;
                m_AliasToItemMap[attribute.Alias]   = listItem;
            }

            if (m_TypeToItemMap.Count == 0)
            {
                if (memberInfo.LogicalType.IsArray)
                {
                    ListItem listItem;
                    Type     elementType;

                    listItem = new ListItem();

                    elementType    = memberInfo.LogicalType.GetElementType();
                    listItem.Alias = elementType.Name;

                    listItem.Serializer = cache.GetTypeSerializerBySupportedType(elementType, new SerializationMemberInfo(elementType, options, cache));

                    m_TypeToItemMap[elementType]     = listItem;
                    m_AliasToItemMap[listItem.Alias] = listItem;
                }
            }

            if (m_TypeToItemMap.Count == 0)
            {
                throw new InvalidOperationException("Must specify at least one XmlListElementype.");
            }

            m_ListType = memberInfo.LogicalType;

            if (m_ListType.IsAbstract)
            {
                m_ListType = typeof(ArrayList);
            }
        }
		protected virtual void Scan(SerializationMemberInfo memberInfo, TypeSerializerCache cache, SerializerOptions options)
		{
			XmlSerializationAttribute[] attribs;

			var attributes = new List<Attribute>();

			// Get the ElementType attributes specified on the type itself as long
			// as we're not the type itself!

			if (memberInfo.MemberInfo != memberInfo.ReturnType)
			{
				var smi = new SerializationMemberInfo(memberInfo.ReturnType, options, cache);

				attribs = smi.GetApplicableAttributes(typeof(XmlListElementAttribute));

				foreach (var a in attribs)
				{
					attributes.Add(a);
				}
			}
			
			// Get the ElementType attributes specified on the member.

			attribs = memberInfo.GetApplicableAttributes(typeof(XmlListElementAttribute));

			foreach (var a in attribs)
			{
				attributes.Add(a);
			}
			
			foreach (XmlListElementAttribute attribute in attributes)
			{
				var listItem = new ListItem();
				
				if (attribute.Type == null)
				{
					if (serializationMemberInfo.ReturnType.IsArray)
					{
						attribute.Type = serializationMemberInfo.ReturnType.GetElementType();
					}
					else if (serializationMemberInfo.ReturnType.IsGenericType)
					{
						attribute.Type = serializationMemberInfo.ReturnType.GetGenericArguments()[0];
					}
				}
			
				var smi2 = new SerializationMemberInfo(attribute.ItemType, options, cache);

				if (attribute.Alias == null)
				{
					attribute.Alias = smi2.SerializedName;
				}

				listItem.Attribute = attribute;
				listItem.Alias = attribute.Alias;

				// Check if a specific type of serializer is specified.

				if (attribute.SerializerType == null)
				{
					// Figure out the serializer based on the type of the element.

					listItem.Serializer = cache.GetTypeSerializerBySupportedType(attribute.ItemType, smi2);
				}
				else
				{
					// Get the type of serializer they specify.

					listItem.Serializer = cache.GetTypeSerializerBySerializerType(attribute.SerializerType, smi2);
				}

				typeToItemMap[attribute.ItemType] = listItem;
				aliasToItemMap[attribute.Alias] = listItem;
			}

			if (typeToItemMap.Count == 0)
			{
				if (memberInfo.ReturnType.IsArray)
				{
					var listItem = new ListItem();
					var elementType = memberInfo.ReturnType.GetElementType();
					var sm = new SerializationMemberInfo(elementType, options, cache);

					listItem.Alias = sm.SerializedName;

					listItem.Serializer = cache.GetTypeSerializerBySupportedType(elementType, new SerializationMemberInfo(elementType, options, cache));

					typeToItemMap[elementType] = listItem;
					aliasToItemMap[listItem.Alias] = listItem;
				}
			}

			if (memberInfo.ReturnType.IsGenericType)
			{
				var elementType = memberInfo.ReturnType.GetGenericArguments()[0];

				if (!typeToItemMap.ContainsKey(elementType) && dynamicTypeResolver == null && !(elementType.IsAbstract || elementType.IsInterface))
				{
					var listItem = new ListItem();
					var sm = new SerializationMemberInfo(elementType, options, cache);

					listItem.Alias = sm.SerializedName;

					listItem.Serializer = cache.GetTypeSerializerBySupportedType(elementType, new SerializationMemberInfo(elementType, options, cache));

					typeToItemMap[elementType] = listItem;
					aliasToItemMap[listItem.Alias] = listItem;
				}
			}

			if (typeToItemMap.Count == 0 && this.dynamicTypeResolver == null)
			{
			    throw new InvalidOperationException(
			        string.Format(
			            "Must specify at least one XmlListElemenType or an XmlListElementTypeSerializerProvider for field {0}",
			             ((Type)memberInfo.MemberInfo).FullName));
			}

			listType = memberInfo.ReturnType;		
		}
        private void Scan(SerializationMemberInfo memberInfo, TypeSerializerCache cache, SerializerOptions options)
        {
            XmlSerializationAttribute[] attribs;

            var attributes = new List <Attribute>();

            // Get the ElementType attributes specified on the type itself as long
            // as we're not the type itself!

            if (memberInfo.MemberInfo != memberInfo.ReturnType)
            {
                var smi = new SerializationMemberInfo(memberInfo.ReturnType, options, cache);

                attribs = smi.GetApplicableAttributes(typeof(XmlDictionaryElementTypeAttribute));

                foreach (XmlSerializationAttribute a in attribs)
                {
                    attributes.Add(a);
                }
            }

            // Get the ElementType attributes specified on the member.

            attribs = memberInfo.GetApplicableAttributes(typeof(XmlDictionaryElementTypeAttribute));

            foreach (var a in attribs)
            {
                attributes.Add(a);
            }

            foreach (XmlDictionaryElementTypeAttribute attribute in attributes)
            {
                var dictionaryItem = new DictionaryItem();

                var smi2 = new SerializationMemberInfo(attribute.ElementType, options, cache);

                if (attribute.TypeAlias == null)
                {
                    attribute.TypeAlias = smi2.SerializedName;
                }

                dictionaryItem.attribute = attribute;
                dictionaryItem.typeAlias = attribute.TypeAlias;

                // Check if a specific type of serializer is specified.

                if (attribute.SerializerType == null)
                {
                    // Figure out the serializer based on the type of the element.

                    dictionaryItem.serializer = cache.GetTypeSerializerBySupportedType(attribute.ElementType, smi2);
                }
                else
                {
                    // Get the type of serializer they specify.

                    dictionaryItem.serializer = cache.GetTypeSerializerBySerializerType(attribute.SerializerType, smi2);
                }

                primaryDictionaryItem = dictionaryItem;

                typeToItemMap[attribute.ElementType] = dictionaryItem;
                aliasToItemMap[attribute.TypeAlias]  = dictionaryItem;
            }

            if (aliasToItemMap.Count != 1)
            {
                primaryDictionaryItem = null;
            }
        }