Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Serialization / System / Runtime / Serialization / ExtensionDataObject.cs / 1305376 / ExtensionDataObject.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- namespace System.Runtime.Serialization { using System; using System.Xml; using System.Collections.Generic; using System.Globalization; public sealed class ExtensionDataObject { IListmembers; #if USE_REFEMIT public ExtensionDataObject() #else internal ExtensionDataObject() #endif { } #if USE_REFEMIT public IList Members #else internal IList Members #endif { get { return members; } set { members = value; } } } #if USE_REFEMIT public class ExtensionDataMember #else internal class ExtensionDataMember #endif { string name; string ns; IDataNode value; int memberIndex; public string Name { get { return name; } set { name = value; } } public string Namespace { get { return ns; } set { ns = value; } } public IDataNode Value { get { return value; } set { this.value = value; } } public int MemberIndex { get { return memberIndex; } set { memberIndex = value; } } } #if USE_REFEMIT public interface IDataNode #else internal interface IDataNode #endif { Type DataType { get; } object Value { get; set; } // boxes for primitives string DataContractName { get; set; } string DataContractNamespace { get; set; } string ClrTypeName { get; set; } string ClrAssemblyName { get; set; } string Id { get; set; } bool PreservesReferences { get; } // NOTE: consider moving below APIs to DataNode if IDataNode API is made public void GetData(ElementData element); bool IsFinalValue { get; set; } void Clear(); } internal class DataNode : IDataNode { protected Type dataType; T value; string dataContractName; string dataContractNamespace; string clrTypeName; string clrAssemblyName; string id = Globals.NewObjectId; bool isFinalValue; internal DataNode() { this.dataType = typeof(T); this.isFinalValue = true; } internal DataNode(T value) : this() { this.value = value; } public Type DataType { get { return dataType; } } public object Value { get { return value; } set { this.value = (T)value; } } bool IDataNode.IsFinalValue { get { return isFinalValue; } set { isFinalValue = value; } } public T GetValue() { return value; } #if NotUsed public void SetValue(T value) { this.value = value; } #endif public string DataContractName { get { return dataContractName; } set { dataContractName = value; } } public string DataContractNamespace { get { return dataContractNamespace; } set { dataContractNamespace = value; } } public string ClrTypeName { get { return clrTypeName; } set { clrTypeName = value; } } public string ClrAssemblyName { get { return clrAssemblyName; } set { clrAssemblyName = value; } } public bool PreservesReferences { get { return (Id != Globals.NewObjectId); } } public string Id { get { return id; } set { id = value; } } public virtual void GetData(ElementData element) { element.dataNode = this; element.attributeCount = 0; element.childElementIndex = 0; if (DataContractName != null) AddQualifiedNameAttribute(element, Globals.XsiPrefix, Globals.XsiTypeLocalName, Globals.SchemaInstanceNamespace, DataContractName, DataContractNamespace); if (ClrTypeName != null) element.AddAttribute(Globals.SerPrefix, Globals.SerializationNamespace, Globals.ClrTypeLocalName, ClrTypeName); if (ClrAssemblyName != null) element.AddAttribute(Globals.SerPrefix, Globals.SerializationNamespace, Globals.ClrAssemblyLocalName, ClrAssemblyName); } public virtual void Clear() { // dataContractName not cleared because it is used when re-serializing from unknown data clrTypeName = clrAssemblyName = null; } internal void AddQualifiedNameAttribute(ElementData element, string elementPrefix, string elementName, string elementNs, string valueName, string valueNs) { string prefix = ExtensionDataReader.GetPrefix(valueNs); element.AddAttribute(elementPrefix, elementNs, elementName, String.Format(CultureInfo.InvariantCulture, "{0}:{1}", prefix, valueName)); bool prefixDeclaredOnElement = false; if (element.attributes != null) { for (int i = 0; i < element.attributes.Length; i++) { AttributeData attribute = element.attributes[i]; if (attribute != null && attribute.prefix == Globals.XmlnsPrefix && attribute.localName == prefix) { prefixDeclaredOnElement = true; break; } } } if (!prefixDeclaredOnElement) element.AddAttribute(Globals.XmlnsPrefix, Globals.XmlnsNamespace, prefix, valueNs); } } internal class ClassDataNode : DataNode
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