407 lines
17 KiB
C#
407 lines
17 KiB
C#
using System;
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using System.Collections;
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using System.Runtime.CompilerServices;
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using System.Xml;
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using DataContractResolver = System.Runtime.Serialization.DataContractResolver;
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using InvalidDataContractException = System.Runtime.Serialization.InvalidDataContractException;
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using ISurrogateSelector = System.Runtime.Serialization.ISurrogateSelector;
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using SerializationBinder = System.Runtime.Serialization.SerializationBinder;
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using SerializationInfo = System.Runtime.Serialization.SerializationInfo;
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using StreamingContext = System.Runtime.Serialization.StreamingContext;
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namespace Compat.Runtime.Serialization
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{
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internal class XmlObjectSerializerWriteContextComplex : XmlObjectSerializerWriteContext
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{
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protected IDataContractSurrogate dataContractSurrogate;
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private readonly SerializationMode mode;
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private readonly SerializationBinder binder;
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private readonly ISurrogateSelector surrogateSelector;
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private StreamingContext streamingContext;
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private Hashtable surrogateDataContracts;
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internal XmlObjectSerializerWriteContextComplex(
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DataContractSerializer serializer,
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DataContract rootTypeDataContract,
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DataContractResolver dataContractResolver)
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: base(serializer, rootTypeDataContract, dataContractResolver)
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{
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mode = SerializationMode.SharedContract;
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preserveObjectReferences = serializer.PreserveObjectReferences;
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dataContractSurrogate = serializer.DataContractSurrogate;
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}
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internal XmlObjectSerializerWriteContextComplex(NetDataContractSerializer serializer, Hashtable surrogateDataContracts)
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: base(serializer)
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{
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mode = SerializationMode.SharedType;
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preserveObjectReferences = true;
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streamingContext = serializer.Context;
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binder = serializer.Binder;
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surrogateSelector = serializer.SurrogateSelector;
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this.surrogateDataContracts = surrogateDataContracts;
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}
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internal XmlObjectSerializerWriteContextComplex(XmlObjectSerializer serializer, int maxItemsInObjectGraph, StreamingContext streamingContext, bool ignoreExtensionDataObject)
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: base(serializer, maxItemsInObjectGraph, streamingContext, ignoreExtensionDataObject)
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{
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}
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internal override SerializationMode Mode => mode;
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internal override DataContract GetDataContract(RuntimeTypeHandle typeHandle, Type type)
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{
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DataContract dataContract = null;
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if (mode == SerializationMode.SharedType && surrogateSelector != null)
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{
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dataContract = NetDataContractSerializer.GetDataContractFromSurrogateSelector(surrogateSelector, streamingContext, typeHandle, type, ref surrogateDataContracts);
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}
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if (dataContract != null)
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{
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if (IsGetOnlyCollection && dataContract is SurrogateDataContract)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataContractException(SR.Format(SR.SurrogatesWithGetOnlyCollectionsNotSupportedSerDeser,
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DataContract.GetClrTypeFullName(dataContract.UnderlyingType))));
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}
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return dataContract;
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}
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return base.GetDataContract(typeHandle, type);
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}
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internal override DataContract GetDataContract(int id, RuntimeTypeHandle typeHandle)
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{
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DataContract dataContract = null;
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if (mode == SerializationMode.SharedType && surrogateSelector != null)
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{
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dataContract = NetDataContractSerializer.GetDataContractFromSurrogateSelector(surrogateSelector, streamingContext, typeHandle, null /*type*/, ref surrogateDataContracts);
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}
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if (dataContract != null)
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{
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if (IsGetOnlyCollection && dataContract is SurrogateDataContract)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataContractException(SR.Format(SR.SurrogatesWithGetOnlyCollectionsNotSupportedSerDeser,
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DataContract.GetClrTypeFullName(dataContract.UnderlyingType))));
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}
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return dataContract;
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}
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return base.GetDataContract(id, typeHandle);
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}
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internal override DataContract GetDataContractSkipValidation(int typeId, RuntimeTypeHandle typeHandle, Type type)
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{
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DataContract dataContract = null;
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if (mode == SerializationMode.SharedType && surrogateSelector != null)
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{
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dataContract = NetDataContractSerializer.GetDataContractFromSurrogateSelector(surrogateSelector, streamingContext, typeHandle, null /*type*/, ref surrogateDataContracts);
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}
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if (dataContract != null)
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{
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if (IsGetOnlyCollection && dataContract is SurrogateDataContract)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataContractException(SR.Format(SR.SurrogatesWithGetOnlyCollectionsNotSupportedSerDeser,
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DataContract.GetClrTypeFullName(dataContract.UnderlyingType))));
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}
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return dataContract;
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}
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return base.GetDataContractSkipValidation(typeId, typeHandle, type);
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}
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internal override bool WriteClrTypeInfo(XmlWriterDelegator xmlWriter, DataContract dataContract)
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{
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if (mode == SerializationMode.SharedType)
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{
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NetDataContractSerializer.WriteClrTypeInfo(xmlWriter, dataContract, binder);
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return true;
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}
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return false;
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}
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internal override bool WriteClrTypeInfo(XmlWriterDelegator xmlWriter, Type dataContractType, string clrTypeName, string clrAssemblyName)
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{
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if (mode == SerializationMode.SharedType)
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{
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NetDataContractSerializer.WriteClrTypeInfo(xmlWriter, dataContractType, binder, clrTypeName, clrAssemblyName);
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return true;
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}
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return false;
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}
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internal override bool WriteClrTypeInfo(XmlWriterDelegator xmlWriter, Type dataContractType, SerializationInfo serInfo)
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{
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if (mode == SerializationMode.SharedType)
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{
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NetDataContractSerializer.WriteClrTypeInfo(xmlWriter, dataContractType, binder, serInfo);
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return true;
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}
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return false;
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}
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public override void WriteAnyType(XmlWriterDelegator xmlWriter, object value)
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{
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if (!OnHandleReference(xmlWriter, value, false /*canContainCyclicReference*/))
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{
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xmlWriter.WriteAnyType(value);
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}
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}
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public override void WriteString(XmlWriterDelegator xmlWriter, string value)
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{
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if (!OnHandleReference(xmlWriter, value, false /*canContainCyclicReference*/))
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{
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xmlWriter.WriteString(value);
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}
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}
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public override void WriteString(XmlWriterDelegator xmlWriter, string value, XmlDictionaryString name, XmlDictionaryString ns)
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{
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if (value == null)
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{
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WriteNull(xmlWriter, typeof(string), true/*isMemberTypeSerializable*/, name, ns);
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}
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else
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{
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xmlWriter.WriteStartElementPrimitive(name, ns);
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if (!OnHandleReference(xmlWriter, value, false /*canContainCyclicReference*/))
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{
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xmlWriter.WriteString(value);
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}
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xmlWriter.WriteEndElementPrimitive();
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}
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}
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public override void WriteBase64(XmlWriterDelegator xmlWriter, byte[] value)
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{
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if (!OnHandleReference(xmlWriter, value, false /*canContainCyclicReference*/))
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{
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xmlWriter.WriteBase64(value);
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}
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}
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public override void WriteBase64(XmlWriterDelegator xmlWriter, byte[] value, XmlDictionaryString name, XmlDictionaryString ns)
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{
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if (value == null)
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{
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WriteNull(xmlWriter, typeof(byte[]), true/*isMemberTypeSerializable*/, name, ns);
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}
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else
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{
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xmlWriter.WriteStartElementPrimitive(name, ns);
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if (!OnHandleReference(xmlWriter, value, false /*canContainCyclicReference*/))
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{
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xmlWriter.WriteBase64(value);
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}
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xmlWriter.WriteEndElementPrimitive();
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}
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}
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public override void WriteUri(XmlWriterDelegator xmlWriter, Uri value)
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{
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if (!OnHandleReference(xmlWriter, value, false /*canContainCyclicReference*/))
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{
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xmlWriter.WriteUri(value);
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}
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}
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public override void WriteUri(XmlWriterDelegator xmlWriter, Uri value, XmlDictionaryString name, XmlDictionaryString ns)
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{
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if (value == null)
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{
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WriteNull(xmlWriter, typeof(Uri), true/*isMemberTypeSerializable*/, name, ns);
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}
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else
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{
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xmlWriter.WriteStartElementPrimitive(name, ns);
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if (!OnHandleReference(xmlWriter, value, false /*canContainCyclicReference*/))
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{
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xmlWriter.WriteUri(value);
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}
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xmlWriter.WriteEndElementPrimitive();
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}
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}
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public override void WriteQName(XmlWriterDelegator xmlWriter, XmlQualifiedName value)
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{
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if (!OnHandleReference(xmlWriter, value, false /*canContainCyclicReference*/))
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{
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xmlWriter.WriteQName(value);
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}
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}
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public override void WriteQName(XmlWriterDelegator xmlWriter, XmlQualifiedName value, XmlDictionaryString name, XmlDictionaryString ns)
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{
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if (value == null)
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{
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WriteNull(xmlWriter, typeof(XmlQualifiedName), true/*isMemberTypeSerializable*/, name, ns);
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}
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else
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{
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if (ns != null && ns.Value != null && ns.Value.Length > 0)
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{
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xmlWriter.WriteStartElement(Globals.ElementPrefix, name, ns);
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}
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else
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{
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xmlWriter.WriteStartElement(name, ns);
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}
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if (!OnHandleReference(xmlWriter, value, false /*canContainCyclicReference*/))
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{
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xmlWriter.WriteQName(value);
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}
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xmlWriter.WriteEndElement();
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}
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}
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public override void InternalSerialize(XmlWriterDelegator xmlWriter, object obj, bool isDeclaredType, bool writeXsiType, int declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
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{
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if (dataContractSurrogate == null)
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{
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base.InternalSerialize(xmlWriter, obj, isDeclaredType, writeXsiType, declaredTypeID, declaredTypeHandle);
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}
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else
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{
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InternalSerializeWithSurrogate(xmlWriter, obj, isDeclaredType, writeXsiType, declaredTypeID, declaredTypeHandle);
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}
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}
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internal override bool OnHandleReference(XmlWriterDelegator xmlWriter, object obj, bool canContainCyclicReference)
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{
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if (preserveObjectReferences && !IsGetOnlyCollection)
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{
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bool isNew = true;
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int objectId = SerializedObjects.GetId(obj, ref isNew);
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if (isNew)
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{
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xmlWriter.WriteAttributeInt(Globals.SerPrefix, DictionaryGlobals.IdLocalName, DictionaryGlobals.SerializationNamespace, objectId);
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}
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else
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{
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xmlWriter.WriteAttributeInt(Globals.SerPrefix, DictionaryGlobals.RefLocalName, DictionaryGlobals.SerializationNamespace, objectId);
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xmlWriter.WriteAttributeBool(Globals.XsiPrefix, DictionaryGlobals.XsiNilLocalName, DictionaryGlobals.SchemaInstanceNamespace, true);
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}
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return !isNew;
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}
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return base.OnHandleReference(xmlWriter, obj, canContainCyclicReference);
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}
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internal override void OnEndHandleReference(XmlWriterDelegator xmlWriter, object obj, bool canContainCyclicReference)
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{
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if (preserveObjectReferences && !IsGetOnlyCollection)
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{
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return;
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}
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base.OnEndHandleReference(xmlWriter, obj, canContainCyclicReference);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private bool CheckIfTypeSerializableForSharedTypeMode(Type memberType)
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{
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Fx.Assert(surrogateSelector != null, "Method should not be called when surrogateSelector is null.");
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return (surrogateSelector.GetSurrogate(memberType, streamingContext, out ISurrogateSelector surrogateSelectorNotUsed) != null);
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}
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internal override void CheckIfTypeSerializable(Type memberType, bool isMemberTypeSerializable)
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{
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if (mode == SerializationMode.SharedType && surrogateSelector != null &&
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CheckIfTypeSerializableForSharedTypeMode(memberType))
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{
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return;
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}
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else
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{
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if (dataContractSurrogate != null)
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{
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while (memberType.IsArray)
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{
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memberType = memberType.GetElementType();
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}
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memberType = DataContractSurrogateCaller.GetDataContractType(dataContractSurrogate, memberType);
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if (!DataContract.IsTypeSerializable(memberType))
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataContractException(SR.Format(SR.TypeNotSerializable, memberType)));
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}
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return;
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}
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}
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base.CheckIfTypeSerializable(memberType, isMemberTypeSerializable);
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}
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internal override Type GetSurrogatedType(Type type)
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{
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if (dataContractSurrogate == null)
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{
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return base.GetSurrogatedType(type);
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}
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else
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{
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type = DataContract.UnwrapNullableType(type);
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Type surrogateType = DataContractSerializer.GetSurrogatedType(dataContractSurrogate, type);
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if (IsGetOnlyCollection && surrogateType != type)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataContractException(SR.Format(SR.SurrogatesWithGetOnlyCollectionsNotSupportedSerDeser,
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DataContract.GetClrTypeFullName(type))));
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}
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else
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{
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return surrogateType;
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}
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}
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}
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private void InternalSerializeWithSurrogate(XmlWriterDelegator xmlWriter, object obj, bool isDeclaredType, bool writeXsiType, int declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
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{
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RuntimeTypeHandle objTypeHandle = isDeclaredType ? declaredTypeHandle : Type.GetTypeHandle(obj);
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object oldObj = obj;
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int objOldId = 0;
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Type objType = Type.GetTypeFromHandle(objTypeHandle);
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Type declaredType = GetSurrogatedType(Type.GetTypeFromHandle(declaredTypeHandle));
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declaredTypeHandle = declaredType.TypeHandle;
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obj = DataContractSerializer.SurrogateToDataContractType(dataContractSurrogate, obj, declaredType, ref objType);
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objTypeHandle = objType.TypeHandle;
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if (oldObj != obj)
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{
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objOldId = SerializedObjects.ReassignId(0, oldObj, obj);
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}
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if (writeXsiType)
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{
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declaredType = Globals.TypeOfObject;
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SerializeWithXsiType(xmlWriter, obj, objTypeHandle, objType, -1, declaredType.TypeHandle, declaredType);
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}
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else if (declaredTypeHandle.Equals(objTypeHandle))
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{
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DataContract contract = GetDataContract(objTypeHandle, objType);
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SerializeWithoutXsiType(contract, xmlWriter, obj, declaredTypeHandle);
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}
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else
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{
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SerializeWithXsiType(xmlWriter, obj, objTypeHandle, objType, -1, declaredTypeHandle, declaredType);
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}
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if (oldObj != obj)
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{
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SerializedObjects.ReassignId(objOldId, obj, oldObj);
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}
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}
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internal override void WriteArraySize(XmlWriterDelegator xmlWriter, int size)
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{
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if (preserveObjectReferences && size > -1)
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{
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xmlWriter.WriteAttributeInt(Globals.SerPrefix, DictionaryGlobals.ArraySizeLocalName, DictionaryGlobals.SerializationNamespace, size);
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}
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}
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}
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}
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