Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Text / CodePageEncoding.cs / 1305376 / 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; using System.Diagnostics.Contracts; /*=================================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"); Contract.EndContractBlock(); // 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 [System.Security.SecurityCritical] // auto-generated 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; } #if FEATURE_SERIALIZATION // ISerializable implementation [System.Security.SecurityCritical] // auto-generated_required void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { // We cannot ever call this. Contract.Assert(false, "Didn't expect to make it to CodePageEncoding ISerializable.GetObjectData"); throw new ArgumentException(Environment.GetResourceString("Arg_ExecutionEngineException")); } #endif // 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"); Contract.EndContractBlock(); this.realEncoding = (Encoding)info.GetValue("encoding", typeof(Encoding)); } // Just get it from GetDecider [System.Security.SecurityCritical] // auto-generated public Object GetRealObject(StreamingContext context) { return this.realEncoding.GetDecoder(); } #if FEATURE_SERIALIZATION // ISerializable implementation, get data for this object [System.Security.SecurityCritical] // auto-generated_required void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { // We cannot ever call this. Contract.Assert(false, "Didn't expect to make it to CodePageEncoding.Decoder.GetObjectData"); throw new ArgumentException(Environment.GetResourceString("Arg_ExecutionEngineException")); } #endif } } } // 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; using System.Diagnostics.Contracts; /*=================================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"); Contract.EndContractBlock(); // 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 [System.Security.SecurityCritical] // auto-generated 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; } #if FEATURE_SERIALIZATION // ISerializable implementation [System.Security.SecurityCritical] // auto-generated_required void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { // We cannot ever call this. Contract.Assert(false, "Didn't expect to make it to CodePageEncoding ISerializable.GetObjectData"); throw new ArgumentException(Environment.GetResourceString("Arg_ExecutionEngineException")); } #endif // 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"); Contract.EndContractBlock(); this.realEncoding = (Encoding)info.GetValue("encoding", typeof(Encoding)); } // Just get it from GetDecider [System.Security.SecurityCritical] // auto-generated public Object GetRealObject(StreamingContext context) { return this.realEncoding.GetDecoder(); } #if FEATURE_SERIALIZATION // ISerializable implementation, get data for this object [System.Security.SecurityCritical] // auto-generated_required void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { // We cannot ever call this. Contract.Assert(false, "Didn't expect to make it to CodePageEncoding.Decoder.GetObjectData"); throw new ArgumentException(Environment.GetResourceString("Arg_ExecutionEngineException")); } #endif } } } // 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
- Opcode.cs
- ApplicationProxyInternal.cs
- UndoManager.cs
- Control.cs
- DataSet.cs
- _BasicClient.cs
- PointLight.cs
- ScopeCompiler.cs
- NetStream.cs
- TypeDependencyAttribute.cs
- ZipIOZip64EndOfCentralDirectoryBlock.cs
- odbcmetadatafactory.cs
- DataControlFieldCollection.cs
- xml.cs
- DATA_BLOB.cs
- SamlDelegatingWriter.cs
- GcHandle.cs
- SocketElement.cs
- QueryContinueDragEventArgs.cs
- ExpressionConverter.cs
- TimeSpanSecondsConverter.cs
- MediaContext.cs
- SizeAnimation.cs
- ProtectedProviderSettings.cs
- SemanticAnalyzer.cs
- DataRowChangeEvent.cs
- CodeActivity.cs
- EventManager.cs
- HttpCapabilitiesSectionHandler.cs
- IssuedTokenClientBehaviorsElementCollection.cs
- ColorTransformHelper.cs
- DataGridViewRowsRemovedEventArgs.cs
- Stream.cs
- FunctionUpdateCommand.cs
- BitVector32.cs
- StylusCollection.cs
- TextElement.cs
- CodeEventReferenceExpression.cs
- basevalidator.cs
- rsa.cs
- LoadedEvent.cs
- SchemaImporterExtensionElement.cs
- ServerValidateEventArgs.cs
- SafeHandle.cs
- ListViewGroupItemCollection.cs
- WebServicesInteroperability.cs
- IItemContainerGenerator.cs
- FuncCompletionCallbackWrapper.cs
- InkPresenterAutomationPeer.cs
- PrimitiveType.cs
- TreeNode.cs
- MetadataItemEmitter.cs
- BufferBuilder.cs
- UriTemplateMatch.cs
- TextRangeBase.cs
- HttpResponse.cs
- EntityStoreSchemaGenerator.cs
- MenuItemCollectionEditorDialog.cs
- DataTableCollection.cs
- State.cs
- DbCommandTree.cs
- CustomPopupPlacement.cs
- MetabaseSettingsIis7.cs
- StorageEntityTypeMapping.cs
- ComponentResourceKeyConverter.cs
- DetailsViewRowCollection.cs
- KeyInterop.cs
- _TimerThread.cs
- ArgumentOutOfRangeException.cs
- CharEnumerator.cs
- StickyNote.cs
- HttpCookie.cs
- WebPartEditVerb.cs
- Menu.cs
- WorkflowMarkupSerializationManager.cs
- CardSpaceShim.cs
- WindowsFont.cs
- DbProviderFactories.cs
- XmlSchemaAll.cs
- MaskedTextBox.cs
- UnsafeNativeMethodsPenimc.cs
- PersonalizationProvider.cs
- CurrentChangingEventManager.cs
- HtmlValidatorAdapter.cs
- ApplicationSecurityManager.cs
- DataTableTypeConverter.cs
- UIAgentInitializationException.cs
- Queue.cs
- NamespaceCollection.cs
- CodeDomConfigurationHandler.cs
- OracleConnection.cs
- DataAdapter.cs
- PngBitmapEncoder.cs
- OnOperation.cs
- Tokenizer.cs
- InternalPolicyElement.cs
- AliasGenerator.cs
- ImpersonationContext.cs
- DrawingGroup.cs
- SqlAliaser.cs