Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / clr / src / BCL / System / Text / CodePageEncoding.cs / 1 / CodePageEncoding.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // WARNING: // // This is just an IObjectReference proxy for the Code Page Encodings. namespace System.Text { using System; using System.Runtime.Serialization; using System.Security.Permissions; /*=================================CodePageEncoding================================== ** This class is here only to deserialize the Code Page classes from Everett (V1.1) into ** Appropriate Whidbey (V2.0) objects. We also serialize the Whidbey classes ** using this proxy since we pretty much need one anyway and that solves Whidbey ** to Everett compatibility as well. ==============================================================================*/ [Serializable()] internal sealed class CodePageEncoding : ISerializable, IObjectReference { // Temp stuff [NonSerialized] private int m_codePage; [NonSerialized] private bool m_isReadOnly; [NonSerialized] private bool m_deserializedFromEverett = false; [NonSerialized] private EncoderFallback encoderFallback = null; [NonSerialized] private DecoderFallback decoderFallback = null; // Might need this when GetRealObjecting [NonSerialized] private Encoding realEncoding = null; // Constructor called by serialization. internal CodePageEncoding(SerializationInfo info, StreamingContext context) { // Any info? if (info==null) throw new ArgumentNullException("info"); // All versions have a code page this.m_codePage = (int)info.GetValue("m_codePage", typeof(int)); // See if we have a code page try { // // Try Whidbey V2.0 Fields // this.m_isReadOnly = (bool)info.GetValue("m_isReadOnly", typeof(bool)); this.encoderFallback = (EncoderFallback)info.GetValue("encoderFallback", typeof(EncoderFallback)); this.decoderFallback = (DecoderFallback)info.GetValue("decoderFallback", typeof(DecoderFallback)); } catch (SerializationException) { // // Didn't have Whidbey things, must be Everett // this.m_deserializedFromEverett = true; // May as well be read only this.m_isReadOnly = true; } } // Just get it from GetEncoding public Object GetRealObject(StreamingContext context) { // Get our encoding (Note: This has default fallbacks for readonly and everett cases) this.realEncoding = Encoding.GetEncoding(this.m_codePage); // If its read only then it uses default fallbacks, otherwise pick up the new ones // Otherwise we want to leave the new one read only if (!this.m_deserializedFromEverett && !this.m_isReadOnly) { this.realEncoding = (Encoding)this.realEncoding.Clone(); this.realEncoding.EncoderFallback = this.encoderFallback; this.realEncoding.DecoderFallback = this.decoderFallback; } return this.realEncoding; } // ISerializable implementation [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.SerializationFormatter)] void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { // We cannot ever call this. BCLDebug.Assert(false, "Didn't expect to make it to CodePageEncoding ISerializable.GetObjectData"); throw new ArgumentException(Environment.GetResourceString("Arg_ExecutionEngineException")); } // Same problem with the Decoder, this only happens with Everett Decoders [Serializable] internal sealed class Decoder : ISerializable, IObjectReference { // Might need this when GetRealObjecting [NonSerialized] private Encoding realEncoding = null; // Constructor called by serialization, have to handle deserializing from Everett internal Decoder(SerializationInfo info, StreamingContext context) { // Any info? if (info==null) throw new ArgumentNullException("info"); this.realEncoding = (Encoding)info.GetValue("encoding", typeof(Encoding)); } // Just get it from GetDecider public Object GetRealObject(StreamingContext context) { return this.realEncoding.GetDecoder(); } // ISerializable implementation, get data for this object [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.SerializationFormatter)] void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { // We cannot ever call this. BCLDebug.Assert(false, "Didn't expect to make it to CodePageEncoding.Decoder.GetObjectData"); throw new ArgumentException(Environment.GetResourceString("Arg_ExecutionEngineException")); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // WARNING: // // This is just an IObjectReference proxy for the Code Page Encodings. namespace System.Text { using System; using System.Runtime.Serialization; using System.Security.Permissions; /*=================================CodePageEncoding================================== ** This class is here only to deserialize the Code Page classes from Everett (V1.1) into ** Appropriate Whidbey (V2.0) objects. We also serialize the Whidbey classes ** using this proxy since we pretty much need one anyway and that solves Whidbey ** to Everett compatibility as well. ==============================================================================*/ [Serializable()] internal sealed class CodePageEncoding : ISerializable, IObjectReference { // Temp stuff [NonSerialized] private int m_codePage; [NonSerialized] private bool m_isReadOnly; [NonSerialized] private bool m_deserializedFromEverett = false; [NonSerialized] private EncoderFallback encoderFallback = null; [NonSerialized] private DecoderFallback decoderFallback = null; // Might need this when GetRealObjecting [NonSerialized] private Encoding realEncoding = null; // Constructor called by serialization. internal CodePageEncoding(SerializationInfo info, StreamingContext context) { // Any info? if (info==null) throw new ArgumentNullException("info"); // All versions have a code page this.m_codePage = (int)info.GetValue("m_codePage", typeof(int)); // See if we have a code page try { // // Try Whidbey V2.0 Fields // this.m_isReadOnly = (bool)info.GetValue("m_isReadOnly", typeof(bool)); this.encoderFallback = (EncoderFallback)info.GetValue("encoderFallback", typeof(EncoderFallback)); this.decoderFallback = (DecoderFallback)info.GetValue("decoderFallback", typeof(DecoderFallback)); } catch (SerializationException) { // // Didn't have Whidbey things, must be Everett // this.m_deserializedFromEverett = true; // May as well be read only this.m_isReadOnly = true; } } // Just get it from GetEncoding public Object GetRealObject(StreamingContext context) { // Get our encoding (Note: This has default fallbacks for readonly and everett cases) this.realEncoding = Encoding.GetEncoding(this.m_codePage); // If its read only then it uses default fallbacks, otherwise pick up the new ones // Otherwise we want to leave the new one read only if (!this.m_deserializedFromEverett && !this.m_isReadOnly) { this.realEncoding = (Encoding)this.realEncoding.Clone(); this.realEncoding.EncoderFallback = this.encoderFallback; this.realEncoding.DecoderFallback = this.decoderFallback; } return this.realEncoding; } // ISerializable implementation [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.SerializationFormatter)] void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { // We cannot ever call this. BCLDebug.Assert(false, "Didn't expect to make it to CodePageEncoding ISerializable.GetObjectData"); throw new ArgumentException(Environment.GetResourceString("Arg_ExecutionEngineException")); } // Same problem with the Decoder, this only happens with Everett Decoders [Serializable] internal sealed class Decoder : ISerializable, IObjectReference { // Might need this when GetRealObjecting [NonSerialized] private Encoding realEncoding = null; // Constructor called by serialization, have to handle deserializing from Everett internal Decoder(SerializationInfo info, StreamingContext context) { // Any info? if (info==null) throw new ArgumentNullException("info"); this.realEncoding = (Encoding)info.GetValue("encoding", typeof(Encoding)); } // Just get it from GetDecider public Object GetRealObject(StreamingContext context) { return this.realEncoding.GetDecoder(); } // ISerializable implementation, get data for this object [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.SerializationFormatter)] void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { // We cannot ever call this. BCLDebug.Assert(false, "Didn't expect to make it to CodePageEncoding.Decoder.GetObjectData"); throw new ArgumentException(Environment.GetResourceString("Arg_ExecutionEngineException")); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- PageAsyncTaskManager.cs
- WorkflowTransactionService.cs
- ActivityContext.cs
- QueryConverter.cs
- UrlMappingsModule.cs
- GuidConverter.cs
- CellRelation.cs
- EUCJPEncoding.cs
- ServiceOperationDetailViewControl.cs
- BitArray.cs
- CodeAttributeArgument.cs
- SoapObjectWriter.cs
- XPathException.cs
- EditingMode.cs
- CounterSample.cs
- DecimalAnimation.cs
- XmlNodeComparer.cs
- DesignerObject.cs
- AppliesToBehaviorDecisionTable.cs
- ProxyElement.cs
- Mouse.cs
- RequestCacheEntry.cs
- DecoratedNameAttribute.cs
- Metafile.cs
- DefaultHttpHandler.cs
- ColorInterpolationModeValidation.cs
- MediaEntryAttribute.cs
- FilteredXmlReader.cs
- ResourceDescriptionAttribute.cs
- ToolStripMenuItem.cs
- ReceiveContent.cs
- IPPacketInformation.cs
- TCEAdapterGenerator.cs
- TdsParserStaticMethods.cs
- LinkTarget.cs
- FrameworkContentElement.cs
- DocumentCollection.cs
- RotateTransform.cs
- ValuePatternIdentifiers.cs
- ImageCodecInfo.cs
- TdsParserSessionPool.cs
- DataException.cs
- TabOrder.cs
- CryptoApi.cs
- ObjectPersistData.cs
- WebEvents.cs
- Component.cs
- ComponentTray.cs
- BoundingRectTracker.cs
- ConstrainedGroup.cs
- HiddenField.cs
- DbProviderFactory.cs
- StructuralCache.cs
- ProxyWebPartManager.cs
- JsonObjectDataContract.cs
- WCFServiceClientProxyGenerator.cs
- Ray3DHitTestResult.cs
- XmlSchemaAttributeGroup.cs
- DataObjectPastingEventArgs.cs
- CodeRegionDirective.cs
- ControlUtil.cs
- DataGridViewRowEventArgs.cs
- XmlEnumAttribute.cs
- ActivityInterfaces.cs
- ProxyRpc.cs
- TheQuery.cs
- WebPartEditorApplyVerb.cs
- TdsParserSafeHandles.cs
- UriTemplateMatchException.cs
- TreeNodeConverter.cs
- CodeSnippetExpression.cs
- CachingHintValidation.cs
- RoleServiceManager.cs
- ContextProperty.cs
- HostedElements.cs
- ObjectFullSpanRewriter.cs
- metadatamappinghashervisitor.cs
- XmlWrappingReader.cs
- HttpDebugHandler.cs
- TcpWorkerProcess.cs
- XmlSchemaObject.cs
- ObjectComplexPropertyMapping.cs
- Button.cs
- DataTableNameHandler.cs
- PackageRelationshipCollection.cs
- ConfigurationElementProperty.cs
- Camera.cs
- CodeTypeMemberCollection.cs
- MsmqHostedTransportConfiguration.cs
- TextBox.cs
- XmlWrappingReader.cs
- AttributeCollection.cs
- ObjectContext.cs
- FlagsAttribute.cs
- StructuralComparisons.cs
- ProgressPage.cs
- Transform.cs
- IntegrationExceptionEventArgs.cs
- DesignerSerializerAttribute.cs
- UnlockCardRequest.cs