Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / 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
- GridItemProviderWrapper.cs
- HttpFileCollection.cs
- ListViewVirtualItemsSelectionRangeChangedEvent.cs
- Relationship.cs
- NonVisualControlAttribute.cs
- CatalogPart.cs
- CachedFontFamily.cs
- FileUpload.cs
- Property.cs
- ObjectNavigationPropertyMapping.cs
- SafeLocalMemHandle.cs
- MetadataCache.cs
- Operator.cs
- _RegBlobWebProxyDataBuilder.cs
- _NegotiateClient.cs
- SqlException.cs
- MemoryMappedFile.cs
- PeerName.cs
- XmlTypeAttribute.cs
- SerializerProvider.cs
- AppPool.cs
- SystemTcpStatistics.cs
- LayoutDump.cs
- MethodCallConverter.cs
- BinaryMethodMessage.cs
- ComponentEditorForm.cs
- HwndAppCommandInputProvider.cs
- Margins.cs
- EmptyStringExpandableObjectConverter.cs
- ListItemsCollectionEditor.cs
- ZipArchive.cs
- Int64KeyFrameCollection.cs
- PropertyStore.cs
- Transactions.cs
- HMACRIPEMD160.cs
- HtmlTitle.cs
- TextTreeDeleteContentUndoUnit.cs
- DataControlFieldHeaderCell.cs
- AspProxy.cs
- RegexCompilationInfo.cs
- TemplateBindingExpression.cs
- DataObjectPastingEventArgs.cs
- Schema.cs
- Misc.cs
- ObjectDisposedException.cs
- ProjectionPruner.cs
- ServiceOperationHelpers.cs
- ClientProxyGenerator.cs
- EntityTypeBase.cs
- EntityContainerRelationshipSetEnd.cs
- StringDictionary.cs
- InternalControlCollection.cs
- ColorMap.cs
- DataGridViewRowHeightInfoPushedEventArgs.cs
- DbConnectionInternal.cs
- ProfileEventArgs.cs
- CompositeFontInfo.cs
- SmtpReplyReaderFactory.cs
- ArrayWithOffset.cs
- SafePointer.cs
- EntityDataSourceValidationException.cs
- ListViewUpdatedEventArgs.cs
- WebResponse.cs
- XmlAnyElementAttributes.cs
- DbXmlEnabledProviderManifest.cs
- WebServiceResponseDesigner.cs
- RayMeshGeometry3DHitTestResult.cs
- XPathArrayIterator.cs
- MD5HashHelper.cs
- ChangeDirector.cs
- CompiledRegexRunnerFactory.cs
- OleDbError.cs
- UnknownWrapper.cs
- EntityClassGenerator.cs
- ObjectDataSourceSelectingEventArgs.cs
- SetStoryboardSpeedRatio.cs
- InputDevice.cs
- ComponentEditorForm.cs
- FileUtil.cs
- GradientBrush.cs
- ThreadStateException.cs
- StackBuilderSink.cs
- XmlRawWriter.cs
- Rect3D.cs
- AutomationPeer.cs
- HttpCapabilitiesBase.cs
- WizardPanel.cs
- KnownTypesHelper.cs
- ButtonDesigner.cs
- KnownTypeAttribute.cs
- SyndicationSerializer.cs
- SchemaTypeEmitter.cs
- Int64.cs
- SingleTagSectionHandler.cs
- AuditLevel.cs
- DesignTimeValidationFeature.cs
- UnknownBitmapEncoder.cs
- UpDownBase.cs
- CalendarData.cs
- UserValidatedEventArgs.cs