Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Base / MS / Internal / IO / Packaging / CompoundFile / StreamWithDictionary.cs / 1 / StreamWithDictionary.cs
//------------------------------------------------------------------------------ // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: // The object for wrapping a data stream and its associated context // information dictionary. // // History: // 07/05/2002: RogerCh: Initial implementation. // 05/20/2003: RogerCh: Ported to WCP tree. // //----------------------------------------------------------------------------- using System; using System.Collections; using System.IO; namespace MS.Internal.IO.Packaging.CompoundFile { internal class StreamWithDictionary : Stream, IDictionary { Stream baseStream; IDictionary baseDictionary; private bool _disposed; // keep track of if we are disposed internal StreamWithDictionary( Stream wrappedStream, IDictionary wrappedDictionary ) { baseStream = wrappedStream; baseDictionary = wrappedDictionary; } /*************************************************************************/ // Stream members public override bool CanRead { get{ return !_disposed && baseStream.CanRead; }} public override bool CanSeek { get { return !_disposed && baseStream.CanSeek; } } public override bool CanWrite { get { return !_disposed && baseStream.CanWrite; } } public override long Length { get { CheckDisposed(); return baseStream.Length; } } public override long Position { get { CheckDisposed(); return baseStream.Position; } set { CheckDisposed(); baseStream.Position = value; } } public override void Flush() { CheckDisposed(); baseStream.Flush(); } public override long Seek( long offset, SeekOrigin origin ) { CheckDisposed(); return baseStream.Seek(offset, origin); } public override void SetLength( long newLength ) { CheckDisposed(); baseStream.SetLength(newLength); } public override int Read( byte[] buffer, int offset, int count ) { CheckDisposed(); return baseStream.Read(buffer, offset, count); } public override void Write( byte[] buffer, int offset, int count ) { CheckDisposed(); baseStream.Write(buffer, offset, count); } //----------------------------------------------------- // // Protected Methods // //----------------------------------------------------- ////// Dispose(bool) /// /// protected override void Dispose(bool disposing) { try { if (disposing && !_disposed) { _disposed = true; baseStream.Close(); } } finally { base.Dispose(disposing); } } /*************************************************************************/ // IDictionary members bool IDictionary.Contains( object key ) { CheckDisposed(); return baseDictionary.Contains(key); } void IDictionary.Add( object key, object val ) { CheckDisposed(); baseDictionary.Add(key, val); } void IDictionary.Clear() { CheckDisposed(); baseDictionary.Clear(); } IDictionaryEnumerator IDictionary.GetEnumerator() { CheckDisposed(); // IDictionary.GetEnumerator vs. IEnumerable.GetEnumerator? return ((IDictionary)baseDictionary).GetEnumerator(); } void IDictionary.Remove( object key ) { CheckDisposed(); baseDictionary.Remove(key); } object IDictionary.this[ object index ] { get { CheckDisposed(); return baseDictionary[index]; } set { CheckDisposed(); baseDictionary[index] = value; } } ICollection IDictionary.Keys { get { CheckDisposed(); return baseDictionary.Keys; } } ICollection IDictionary.Values { get { CheckDisposed(); return baseDictionary.Values; } } bool IDictionary.IsReadOnly { get { CheckDisposed(); return baseDictionary.IsReadOnly; } } bool IDictionary.IsFixedSize { get { CheckDisposed(); return baseDictionary.IsFixedSize; } } /*************************************************************************/ // ICollection methods void ICollection.CopyTo( Array array, int index ) { CheckDisposed(); ((ICollection)baseDictionary).CopyTo(array, index); } int ICollection.Count { get { CheckDisposed(); return ((ICollection)baseDictionary).Count; } } object ICollection.SyncRoot { get { CheckDisposed(); return ((ICollection)baseDictionary).SyncRoot; } } bool ICollection.IsSynchronized { get { CheckDisposed(); return ((ICollection)baseDictionary).IsSynchronized; } } /*************************************************************************/ // IEnumerable method IEnumerator IEnumerable.GetEnumerator() { CheckDisposed(); return ((IEnumerable)baseDictionary).GetEnumerator(); } ////// Disposed - were we disposed? Offer this to DataSpaceManager so it can do smart flushing /// ///internal bool Disposed { get { return _disposed; } } //------------------------------------------------------ // // Private Methods // //----------------------------------------------------- private void CheckDisposed() { if (_disposed) throw new ObjectDisposedException("Stream"); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ // // // Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: // The object for wrapping a data stream and its associated context // information dictionary. // // History: // 07/05/2002: RogerCh: Initial implementation. // 05/20/2003: RogerCh: Ported to WCP tree. // //----------------------------------------------------------------------------- using System; using System.Collections; using System.IO; namespace MS.Internal.IO.Packaging.CompoundFile { internal class StreamWithDictionary : Stream, IDictionary { Stream baseStream; IDictionary baseDictionary; private bool _disposed; // keep track of if we are disposed internal StreamWithDictionary( Stream wrappedStream, IDictionary wrappedDictionary ) { baseStream = wrappedStream; baseDictionary = wrappedDictionary; } /*************************************************************************/ // Stream members public override bool CanRead { get{ return !_disposed && baseStream.CanRead; }} public override bool CanSeek { get { return !_disposed && baseStream.CanSeek; } } public override bool CanWrite { get { return !_disposed && baseStream.CanWrite; } } public override long Length { get { CheckDisposed(); return baseStream.Length; } } public override long Position { get { CheckDisposed(); return baseStream.Position; } set { CheckDisposed(); baseStream.Position = value; } } public override void Flush() { CheckDisposed(); baseStream.Flush(); } public override long Seek( long offset, SeekOrigin origin ) { CheckDisposed(); return baseStream.Seek(offset, origin); } public override void SetLength( long newLength ) { CheckDisposed(); baseStream.SetLength(newLength); } public override int Read( byte[] buffer, int offset, int count ) { CheckDisposed(); return baseStream.Read(buffer, offset, count); } public override void Write( byte[] buffer, int offset, int count ) { CheckDisposed(); baseStream.Write(buffer, offset, count); } //----------------------------------------------------- // // Protected Methods // //----------------------------------------------------- ////// Dispose(bool) /// /// protected override void Dispose(bool disposing) { try { if (disposing && !_disposed) { _disposed = true; baseStream.Close(); } } finally { base.Dispose(disposing); } } /*************************************************************************/ // IDictionary members bool IDictionary.Contains( object key ) { CheckDisposed(); return baseDictionary.Contains(key); } void IDictionary.Add( object key, object val ) { CheckDisposed(); baseDictionary.Add(key, val); } void IDictionary.Clear() { CheckDisposed(); baseDictionary.Clear(); } IDictionaryEnumerator IDictionary.GetEnumerator() { CheckDisposed(); // IDictionary.GetEnumerator vs. IEnumerable.GetEnumerator? return ((IDictionary)baseDictionary).GetEnumerator(); } void IDictionary.Remove( object key ) { CheckDisposed(); baseDictionary.Remove(key); } object IDictionary.this[ object index ] { get { CheckDisposed(); return baseDictionary[index]; } set { CheckDisposed(); baseDictionary[index] = value; } } ICollection IDictionary.Keys { get { CheckDisposed(); return baseDictionary.Keys; } } ICollection IDictionary.Values { get { CheckDisposed(); return baseDictionary.Values; } } bool IDictionary.IsReadOnly { get { CheckDisposed(); return baseDictionary.IsReadOnly; } } bool IDictionary.IsFixedSize { get { CheckDisposed(); return baseDictionary.IsFixedSize; } } /*************************************************************************/ // ICollection methods void ICollection.CopyTo( Array array, int index ) { CheckDisposed(); ((ICollection)baseDictionary).CopyTo(array, index); } int ICollection.Count { get { CheckDisposed(); return ((ICollection)baseDictionary).Count; } } object ICollection.SyncRoot { get { CheckDisposed(); return ((ICollection)baseDictionary).SyncRoot; } } bool ICollection.IsSynchronized { get { CheckDisposed(); return ((ICollection)baseDictionary).IsSynchronized; } } /*************************************************************************/ // IEnumerable method IEnumerator IEnumerable.GetEnumerator() { CheckDisposed(); return ((IEnumerable)baseDictionary).GetEnumerator(); } ////// Disposed - were we disposed? Offer this to DataSpaceManager so it can do smart flushing /// ///internal bool Disposed { get { return _disposed; } } //------------------------------------------------------ // // Private Methods // //----------------------------------------------------- private void CheckDisposed() { if (_disposed) throw new ObjectDisposedException("Stream"); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- XmlSchemaComplexContent.cs
- RestHandler.cs
- Int32Animation.cs
- PageHandlerFactory.cs
- FormsIdentity.cs
- DynamicQueryableWrapper.cs
- MethodBody.cs
- TemplateControlCodeDomTreeGenerator.cs
- StructuredProperty.cs
- COM2ExtendedBrowsingHandler.cs
- BuildManagerHost.cs
- UIElementPropertyUndoUnit.cs
- ErrorTableItemStyle.cs
- ClientScriptManager.cs
- SqlGatherConsumedAliases.cs
- ColumnCollection.cs
- TlsSspiNegotiation.cs
- TimerEventSubscriptionCollection.cs
- DBPropSet.cs
- VirtualPathUtility.cs
- InstanceStore.cs
- Timeline.cs
- QueryCacheEntry.cs
- ReadingWritingEntityEventArgs.cs
- COM2ComponentEditor.cs
- UnsafeNativeMethodsPenimc.cs
- BufferManager.cs
- Grant.cs
- Viewport3DVisual.cs
- SplitterCancelEvent.cs
- Brush.cs
- UserNameSecurityToken.cs
- RequestCacheEntry.cs
- CodeSnippetCompileUnit.cs
- OdbcConnectionOpen.cs
- Drawing.cs
- DropDownList.cs
- GeometryCombineModeValidation.cs
- WSSecurityOneDotZeroSendSecurityHeader.cs
- CheckBoxRenderer.cs
- CookielessHelper.cs
- ServicePointManager.cs
- TableRowGroup.cs
- Model3D.cs
- SchemaTableOptionalColumn.cs
- VirtualPathUtility.cs
- PrintController.cs
- RangeValuePatternIdentifiers.cs
- FeatureAttribute.cs
- IFlowDocumentViewer.cs
- ICspAsymmetricAlgorithm.cs
- TableLayoutRowStyleCollection.cs
- AnimationClock.cs
- CmsInterop.cs
- TypeExtension.cs
- VisualStateChangedEventArgs.cs
- WinFormsComponentEditor.cs
- AspNetSynchronizationContext.cs
- ReceiveParametersContent.cs
- InvokeGenerator.cs
- HtmlUtf8RawTextWriter.cs
- Line.cs
- Int32AnimationBase.cs
- NativeMethods.cs
- XmlDigitalSignatureProcessor.cs
- EntityDataSourceDataSelectionPanel.cs
- VariableQuery.cs
- IntegerCollectionEditor.cs
- CardSpaceShim.cs
- OutputScopeManager.cs
- XPathBinder.cs
- VirtualDirectoryMappingCollection.cs
- NamedObjectList.cs
- FieldAccessException.cs
- SmtpFailedRecipientsException.cs
- OrderedDictionaryStateHelper.cs
- XhtmlBasicControlAdapter.cs
- XmlReader.cs
- Binding.cs
- ProcessModuleDesigner.cs
- FunctionNode.cs
- BamlLocalizationDictionary.cs
- DataGridViewRowCancelEventArgs.cs
- ErrorWebPart.cs
- Transform3D.cs
- DataServiceOperationContext.cs
- StringWriter.cs
- WinInetCache.cs
- OperationGenerator.cs
- TrackingProfile.cs
- XPathExpr.cs
- UIPermission.cs
- ProfilePropertySettingsCollection.cs
- ConditionalDesigner.cs
- SqlFacetAttribute.cs
- WorkItem.cs
- X509Certificate.cs
- Section.cs
- GiveFeedbackEventArgs.cs
- LogicalExpr.cs