Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Runtime / Serialization / Formatter.cs / 1305376 / Formatter.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: Formatter ** ** ** Purpose: The abstract base class for all COM+ Runtime ** Serialization Formatters. ** ** ===========================================================*/ namespace System.Runtime.Serialization { using System.Threading; using System.Runtime.Remoting; using System; using System.Collections; using System.Reflection; using System.IO; using System.Globalization; // This abstract class provides some helper methods for implementing // IFormatter. It will manage queueing objects for serialization // (the functionality formerly provided by the IGraphWalker interface) // and generating ids on a per-object basis. [Serializable] [CLSCompliant(false)] [System.Runtime.InteropServices.ComVisible(true)] public abstract class Formatter : IFormatter { protected ObjectIDGenerator m_idGenerator; protected Queue m_objectQueue; // The default constructor instantiates the queue for objects // to be serialized and creates a new instance of the // ObjectIDGenerator. protected Formatter() { m_objectQueue = new Queue(); m_idGenerator = new ObjectIDGenerator(); } public abstract Object Deserialize(Stream serializationStream); // This gives back the next object to be serialized. Objects // are returned in a FIFO order based on how they were passed // to Schedule. The id of the object is put into the objID parameter // and the Object itself is returned from the function. protected virtual Object GetNext(out long objID) { bool isNew; if (m_objectQueue.Count==0) { objID=0; return null; } Object obj = m_objectQueue.Dequeue(); objID = m_idGenerator.HasId(obj, out isNew); if (isNew) { throw new SerializationException(Environment.GetResourceString("Serialization_NoID")); } return obj; } // Schedules an object for later serialization if it hasn't already been scheduled. // We get an ID for obj and put it on the queue for later serialization // if this is a new object id. protected virtual long Schedule(Object obj) { bool isNew; long id; if (obj==null) { return 0; } id = m_idGenerator.GetId(obj, out isNew); if (isNew) { m_objectQueue.Enqueue(obj); } return id; } public abstract void Serialize(Stream serializationStream, Object graph); // Writes an array to the stream protected abstract void WriteArray(Object obj, String name, Type memberType); // Writes a boolean to the stream. protected abstract void WriteBoolean(bool val, String name); // Writes a byte to the stream. protected abstract void WriteByte(byte val, String name); // Writes a character to the stream. protected abstract void WriteChar(char val, String name); // Writes an instance of DateTime to the stream. protected abstract void WriteDateTime(DateTime val, String name); // Writes an instance of Decimal to the stream. protected abstract void WriteDecimal(Decimal val, String name); // Writes an instance of Double to the stream. protected abstract void WriteDouble(double val, String name); // Writes an instance of Int16 to the stream. protected abstract void WriteInt16(short val, String name); // Writes an instance of Int32 to the stream. protected abstract void WriteInt32(int val, String name); // Writes an instance of Int64 to the stream. protected abstract void WriteInt64(long val, String name); // Writes an object reference to the stream. Schedules the object with the graph walker // to handle the work. protected abstract void WriteObjectRef(Object obj, String name, Type memberType); // Switches on the type of the member to determine which of the Write* methods // to call in order to write this particular member to the stream. protected virtual void WriteMember(String memberName, Object data) { BCLDebug.Trace("SER", "[Formatter.WriteMember]data: ", data); if (data==null) { WriteObjectRef(data, memberName, typeof(Object)); return; } Type varType = data.GetType(); BCLDebug.Trace("SER", "[Formatter.WriteMember]data is of type: " , varType); if (varType==typeof(Boolean)) { WriteBoolean(Convert.ToBoolean(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(Char)) { WriteChar(Convert.ToChar(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(SByte)) { WriteSByte(Convert.ToSByte(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(Byte)) { WriteByte(Convert.ToByte(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(Int16)) { WriteInt16(Convert.ToInt16(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(Int32)) { WriteInt32(Convert.ToInt32(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(Int64)) { WriteInt64(Convert.ToInt64(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(Single)) { WriteSingle(Convert.ToSingle(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(Double)) { WriteDouble(Convert.ToDouble(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(DateTime)) { WriteDateTime(Convert.ToDateTime(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(Decimal)) { WriteDecimal(Convert.ToDecimal(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(UInt16)) { WriteUInt16(Convert.ToUInt16(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(UInt32)) { WriteUInt32(Convert.ToUInt32(data, CultureInfo.InvariantCulture), memberName); } else if (varType==typeof(UInt64)) { WriteUInt64(Convert.ToUInt64(data, CultureInfo.InvariantCulture), memberName); } else { if (varType.IsArray) { WriteArray(data, memberName, varType); } else if (varType.IsValueType) { WriteValueType(data, memberName, varType); } else { WriteObjectRef(data, memberName, varType); } } } // Writes an instance of SByte to the stream. [CLSCompliant(false)] protected abstract void WriteSByte(sbyte val, String name); // Writes an instance of Single to the stream. protected abstract void WriteSingle(float val, String name); // Writes an instance of TimeSpan to the stream. protected abstract void WriteTimeSpan(TimeSpan val, String name); // Writes an instance of an ushort to the stream. [CLSCompliant(false)] protected abstract void WriteUInt16(ushort val, String name); // Writes an instance of an uint to the stream. [CLSCompliant(false)] protected abstract void WriteUInt32(uint val, String name); // Writes an instance of a ulong to the stream. [CLSCompliant(false)] protected abstract void WriteUInt64(ulong val, String name); // Writes a valuetype out to the stream. protected abstract void WriteValueType(Object obj, String name, Type memberType); public abstract ISurrogateSelector SurrogateSelector { get; set; } public abstract SerializationBinder Binder { get; set; } public abstract StreamingContext Context { get; set; } } } // 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
- GetFileNameResult.cs
- String.cs
- ResourceWriter.cs
- SymbolResolver.cs
- WorkflowItemsPresenter.cs
- KnownColorTable.cs
- ToolboxComponentsCreatedEventArgs.cs
- CollectionViewSource.cs
- SqlCacheDependency.cs
- UpdatePanel.cs
- WindowsFormsHostAutomationPeer.cs
- FileChangesMonitor.cs
- TraceXPathNavigator.cs
- DataGridCell.cs
- EpmHelper.cs
- Point3DCollection.cs
- EntityConnectionStringBuilderItem.cs
- XmlSchemaInfo.cs
- MappingItemCollection.cs
- BindingBase.cs
- DbConnectionPool.cs
- ping.cs
- HideDisabledControlAdapter.cs
- RichTextBox.cs
- AddInPipelineAttributes.cs
- DataGridViewLinkCell.cs
- ScriptingJsonSerializationSection.cs
- ColorConvertedBitmap.cs
- __ConsoleStream.cs
- ThaiBuddhistCalendar.cs
- Config.cs
- XmlSignificantWhitespace.cs
- ItemCheckedEvent.cs
- relpropertyhelper.cs
- ProcessInputEventArgs.cs
- AdornerHitTestResult.cs
- InputBindingCollection.cs
- DataSourceView.cs
- XPathAxisIterator.cs
- _StreamFramer.cs
- MetadataArtifactLoader.cs
- Stylesheet.cs
- ByteStream.cs
- ComponentResourceManager.cs
- MonikerHelper.cs
- BindingListCollectionView.cs
- WorkflowPersistenceContext.cs
- XmlReaderSettings.cs
- ToolboxComponentsCreatedEventArgs.cs
- SafeRightsManagementPubHandle.cs
- SpotLight.cs
- RequestContext.cs
- ETagAttribute.cs
- DateTimeValueSerializer.cs
- IsolationInterop.cs
- DeclaredTypeValidatorAttribute.cs
- Walker.cs
- Rfc4050KeyFormatter.cs
- EFDataModelProvider.cs
- SymmetricKeyWrap.cs
- SessionStateSection.cs
- Model3DCollection.cs
- RolePrincipal.cs
- Context.cs
- ImageField.cs
- UrlMapping.cs
- CollectionBase.cs
- MimeWriter.cs
- UriScheme.cs
- TextTrailingCharacterEllipsis.cs
- ConfigurationFileMap.cs
- CaseInsensitiveComparer.cs
- LongValidator.cs
- ElementsClipboardData.cs
- ProcessModuleDesigner.cs
- RequestDescription.cs
- Rect3DConverter.cs
- JsonFormatGeneratorStatics.cs
- DnsPermission.cs
- ACL.cs
- GcSettings.cs
- ConfigXmlElement.cs
- DetailsViewPageEventArgs.cs
- ButtonStandardAdapter.cs
- TryCatch.cs
- MouseEvent.cs
- HttpAsyncResult.cs
- ResourceDescriptionAttribute.cs
- RulePatternOps.cs
- PropertiesTab.cs
- SqlErrorCollection.cs
- HTMLTextWriter.cs
- RSAPKCS1KeyExchangeDeformatter.cs
- ApplicationProxyInternal.cs
- ListViewPagedDataSource.cs
- DriveNotFoundException.cs
- ExcludeFromCodeCoverageAttribute.cs
- XPathNavigatorReader.cs
- DbProviderFactories.cs
- TableAutomationPeer.cs