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
- Trace.cs
- ContractSearchPattern.cs
- CodeSnippetExpression.cs
- ConnectionPointGlyph.cs
- PipelineModuleStepContainer.cs
- ErrorWebPart.cs
- IncrementalReadDecoders.cs
- SqlMetaData.cs
- CommandPlan.cs
- PerformanceCounterLib.cs
- dbdatarecord.cs
- Permission.cs
- ResourceProviderFactory.cs
- XmlAnyElementAttribute.cs
- RuleProcessor.cs
- MenuCommands.cs
- CodeAttributeDeclarationCollection.cs
- FormsAuthenticationConfiguration.cs
- EditorBrowsableAttribute.cs
- DocumentReference.cs
- OracleConnectionStringBuilder.cs
- GroupBox.cs
- LinkLabel.cs
- NetworkCredential.cs
- GiveFeedbackEventArgs.cs
- WindowsStatusBar.cs
- SelectorAutomationPeer.cs
- DataListItemEventArgs.cs
- Accessible.cs
- _HTTPDateParse.cs
- PasswordDeriveBytes.cs
- PropertyInformation.cs
- BinaryObjectInfo.cs
- ValidationSummary.cs
- XamlRtfConverter.cs
- EditorOptionAttribute.cs
- HostExecutionContextManager.cs
- RemoteWebConfigurationHostServer.cs
- WindowsAuthenticationModule.cs
- PixelFormat.cs
- StringReader.cs
- LinkLabel.cs
- NTAccount.cs
- QueueAccessMode.cs
- StylusCollection.cs
- PageBuildProvider.cs
- SQLByteStorage.cs
- ObjectStorage.cs
- Window.cs
- BaseTreeIterator.cs
- updateconfighost.cs
- AttributeProviderAttribute.cs
- SystemIcmpV6Statistics.cs
- Thickness.cs
- PagesChangedEventArgs.cs
- FacetChecker.cs
- MergeFilterQuery.cs
- CurrentChangingEventArgs.cs
- ObjectParameter.cs
- Configuration.cs
- SqlUserDefinedAggregateAttribute.cs
- NavigateUrlConverter.cs
- PropertyReferenceSerializer.cs
- TaiwanCalendar.cs
- ContentPosition.cs
- SoapConverter.cs
- ControlAdapter.cs
- TraceHandlerErrorFormatter.cs
- ParameterEditorUserControl.cs
- ToolStripItemRenderEventArgs.cs
- ClipboardProcessor.cs
- DesignParameter.cs
- ToolboxService.cs
- TemplateBamlTreeBuilder.cs
- ProcessHostServerConfig.cs
- WebPartsSection.cs
- FixedPosition.cs
- Registry.cs
- CodeEventReferenceExpression.cs
- DocumentsTrace.cs
- SessionPageStatePersister.cs
- DataSourceXmlAttributeAttribute.cs
- LocatorGroup.cs
- WebPartZoneCollection.cs
- ListenerConstants.cs
- Mappings.cs
- URLBuilder.cs
- DecimalAnimationUsingKeyFrames.cs
- StreamInfo.cs
- Utils.cs
- EventLogEntry.cs
- NumericUpDownAcceleration.cs
- SecurityUtils.cs
- NameValueCollection.cs
- Persist.cs
- CustomError.cs
- Interlocked.cs
- XmlSchemaSimpleContent.cs
- Resources.Designer.cs
- RbTree.cs