Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Serialization / System / Runtime / Serialization / Json / XmlObjectSerializerReadContextComplexJson.cs / 1305376 / XmlObjectSerializerReadContextComplexJson.cs
//------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------- namespace System.Runtime.Serialization.Json { using System; using System.Collections.Generic; using System.Runtime; using System.Security; using System.ServiceModel; using System.Text; using System.Xml; #if USE_REFEMIT public class XmlObjectSerializerReadContextComplexJson : XmlObjectSerializerReadContextComplex #else class XmlObjectSerializerReadContextComplexJson : XmlObjectSerializerReadContextComplex #endif { string extensionDataValueType; public XmlObjectSerializerReadContextComplexJson(DataContractJsonSerializer serializer, DataContract rootTypeDataContract) : base(serializer, serializer.MaxItemsInObjectGraph, new StreamingContext(StreamingContextStates.All), serializer.IgnoreExtensionDataObject) { this.rootTypeDataContract = rootTypeDataContract; this.serializerKnownTypeList = serializer.knownTypeList; this.dataContractSurrogate = serializer.DataContractSurrogate; } internal IListSerializerKnownTypeList { get { return this.serializerKnownTypeList; } } protected override void StartReadExtensionDataValue(XmlReaderDelegator xmlReader) { extensionDataValueType = xmlReader.GetAttribute(JsonGlobals.typeString); } protected override IDataNode ReadPrimitiveExtensionDataValue(XmlReaderDelegator xmlReader, string dataContractName, string dataContractNamespace) { IDataNode dataNode; switch (extensionDataValueType) { case null: case JsonGlobals.stringString: dataNode = new DataNode (xmlReader.ReadContentAsString()); break; case JsonGlobals.booleanString: dataNode = new DataNode (xmlReader.ReadContentAsBoolean()); break; case JsonGlobals.numberString: dataNode = ReadNumericalPrimitiveExtensionDataValue(xmlReader); break; default: throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.JsonUnexpectedAttributeValue, extensionDataValueType))); } xmlReader.ReadEndElement(); return dataNode; } IDataNode ReadNumericalPrimitiveExtensionDataValue(XmlReaderDelegator xmlReader) { TypeCode type; object numericalValue = JsonObjectDataContract.ParseJsonNumber(xmlReader.ReadContentAsString(), out type); switch (type) { case TypeCode.Byte: return new DataNode ((byte)numericalValue); case TypeCode.SByte: return new DataNode ((sbyte)numericalValue); case TypeCode.Int16: return new DataNode ((short)numericalValue); case TypeCode.Int32: return new DataNode ((int)numericalValue); case TypeCode.Int64: return new DataNode ((long)numericalValue); case TypeCode.UInt16: return new DataNode ((ushort)numericalValue); case TypeCode.UInt32: return new DataNode ((uint)numericalValue); case TypeCode.UInt64: return new DataNode ((ulong)numericalValue); case TypeCode.Single: return new DataNode ((float)numericalValue); case TypeCode.Double: return new DataNode ((double)numericalValue); case TypeCode.Decimal: return new DataNode ((decimal)numericalValue); default: throw Fx.AssertAndThrow("JsonObjectDataContract.ParseJsonNumber shouldn't return a TypeCode that we're not expecting"); } } internal static XmlObjectSerializerReadContextComplexJson CreateContext(DataContractJsonSerializer serializer, DataContract rootTypeDataContract) { return new XmlObjectSerializerReadContextComplexJson(serializer, rootTypeDataContract); } #if USE_REFEMIT public override int GetArraySize() #else internal override int GetArraySize() #endif { return -1; } protected override object ReadDataContractValue(DataContract dataContract, XmlReaderDelegator reader) { return DataContractJsonSerializer.ReadJsonValue(dataContract, reader, this); } #if USE_REFEMIT public override void ReadAttributes(XmlReaderDelegator xmlReader) #else internal override void ReadAttributes(XmlReaderDelegator xmlReader) #endif { if (attributes == null) attributes = new Attributes(); attributes.Reset(); if (xmlReader.MoveToAttribute(JsonGlobals.typeString) && xmlReader.Value == JsonGlobals.nullString) { attributes.XsiNil = true; } else if (xmlReader.MoveToAttribute(JsonGlobals.serverTypeString)) { XmlQualifiedName qualifiedTypeName = JsonReaderDelegator.ParseQualifiedName(xmlReader.Value); attributes.XsiTypeName = qualifiedTypeName.Name; string serverTypeNamespace = qualifiedTypeName.Namespace; if (!string.IsNullOrEmpty(serverTypeNamespace)) { switch (serverTypeNamespace[0]) { case '#': serverTypeNamespace = string.Concat(Globals.DataContractXsdBaseNamespace, serverTypeNamespace.Substring(1)); break; case '\\': if (serverTypeNamespace.Length >= 2) { switch (serverTypeNamespace[1]) { case '#': case '\\': serverTypeNamespace = serverTypeNamespace.Substring(1); break; default: break; } } break; default: break; } } attributes.XsiTypeNamespace = serverTypeNamespace; } xmlReader.MoveToElement(); } public int GetJsonMemberIndex(XmlReaderDelegator xmlReader, XmlDictionaryString[] memberNames, int memberIndex, ExtensionDataObject extensionData) { int length = memberNames.Length; if (length != 0) { for (int i = 0, index = (memberIndex + 1) % length; i < length; i++, index = (index + 1) % length) { if (xmlReader.IsStartElement(memberNames[index], XmlDictionaryString.Empty)) { return index; } } string name; if (TryGetJsonLocalName(xmlReader, out name)) { for (int i = 0, index = (memberIndex + 1) % length; i < length; i++, index = (index + 1) % length) { if (memberNames[index].Value == name) { return index; } } } } HandleMemberNotFound(xmlReader, extensionData, memberIndex); return length; } internal static bool TryGetJsonLocalName(XmlReaderDelegator xmlReader, out string name) { if (xmlReader.IsStartElement(JsonGlobals.itemDictionaryString, JsonGlobals.itemDictionaryString)) { if (xmlReader.MoveToAttribute(JsonGlobals.itemString)) { name = xmlReader.Value; return true; } } name = null; return false; } public static void ThrowMissingRequiredMembers(object obj, XmlDictionaryString[] memberNames, byte[] expectedElements, byte[] requiredElements) { StringBuilder stringBuilder = new StringBuilder(); int missingMembersCount = 0; for (int i = 0; i < memberNames.Length; i++) { if (IsBitSet(expectedElements, i) && IsBitSet(requiredElements, i)) { if (stringBuilder.Length != 0) stringBuilder.Append(", "); stringBuilder.Append(memberNames[i]); missingMembersCount++; } } if (missingMembersCount == 1) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SerializationException(SR.GetString( SR.JsonOneRequiredMemberNotFound, DataContract.GetClrTypeFullName(obj.GetType()), stringBuilder.ToString()))); } else { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SerializationException(SR.GetString( SR.JsonRequiredMembersNotFound, DataContract.GetClrTypeFullName(obj.GetType()), stringBuilder.ToString()))); } } public static void ThrowDuplicateMemberException(object obj, XmlDictionaryString[] memberNames, int memberIndex) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SerializationException( SR.GetString(SR.JsonDuplicateMemberInInput, DataContract.GetClrTypeFullName(obj.GetType()), memberNames[memberIndex]))); } [Fx.Tag.SecurityNote(Critical = "Accesses SecurityCritical helper class 'BitFlagsGenerator'.", Safe = "This method is safe to call.")] [SecuritySafeCritical] static bool IsBitSet(byte[] bytes, int bitIndex) { return BitFlagsGenerator.IsBitSet(bytes, bitIndex); } protected override bool IsReadingCollectionExtensionData(XmlReaderDelegator xmlReader) { return xmlReader.GetAttribute(JsonGlobals.typeString) == JsonGlobals.arrayString; } protected override bool IsReadingClassExtensionData(XmlReaderDelegator xmlReader) { return xmlReader.GetAttribute(JsonGlobals.typeString) == JsonGlobals.objectString; } protected override XmlReaderDelegator CreateReaderDelegatorForReader(XmlReader xmlReader) { return new JsonReaderDelegator(xmlReader); } internal override DataContract GetDataContract(RuntimeTypeHandle typeHandle, Type type) { DataContract dataContract = base.GetDataContract(typeHandle, type); DataContractJsonSerializer.CheckIfTypeIsReference(dataContract); return dataContract; } internal override DataContract GetDataContractSkipValidation(int typeId, RuntimeTypeHandle typeHandle, Type type) { DataContract dataContract = base.GetDataContractSkipValidation(typeId, typeHandle, type); DataContractJsonSerializer.CheckIfTypeIsReference(dataContract); return dataContract; } internal override DataContract GetDataContract(int id, RuntimeTypeHandle typeHandle) { DataContract dataContract = base.GetDataContract(id, typeHandle); DataContractJsonSerializer.CheckIfTypeIsReference(dataContract); return dataContract; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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