Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Net / System / Net / Mail / SevenBitStream.cs / 1 / SevenBitStream.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Net.Mime { using System; using System.IO; ////// This stream validates outgoing bytes to be within the /// acceptible range of 0 - 127. Writes will throw if a /// value > 127 is found. /// internal class SevenBitStream : DelegatedStream { ////// ctor. /// /// Underlying stream internal SevenBitStream(Stream stream) : base(stream) { } ////// Writes the specified content to the underlying stream /// /// Buffer to write /// Offset within buffer to start writing /// Count of bytes to write /// Callback to call when write completes /// State to pass to callback public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state) { if (buffer == null) throw new ArgumentNullException("buffer"); if (offset < 0 || offset >= buffer.Length) throw new ArgumentOutOfRangeException("offset"); if (offset + count > buffer.Length) throw new ArgumentOutOfRangeException("count"); CheckBytes(buffer, offset, count); IAsyncResult result = base.BeginWrite(buffer, offset, count, callback, state); return result; } ////// Writes the specified content to the underlying stream /// /// Buffer to write /// Offset within buffer to start writing /// Count of bytes to write public override void Write(byte[] buffer, int offset, int count) { if (buffer == null) throw new ArgumentNullException("buffer"); if (offset < 0 || offset >= buffer.Length) throw new ArgumentOutOfRangeException("offset"); if (offset + count > buffer.Length) throw new ArgumentOutOfRangeException("count"); CheckBytes(buffer, offset, count); base.Write(buffer, offset, count); } // helper methods ////// Checks the data in the buffer for bytes > 127. /// /// Buffer containing data /// Offset within buffer to start checking /// Count of bytes to check void CheckBytes(byte[] buffer, int offset, int count) { for (int i = count; i < offset + count; i++) { if (buffer[i] > 127) throw new FormatException(SR.GetString(SR.Mail7BitStreamInvalidCharacter)); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Net.Mime { using System; using System.IO; ////// This stream validates outgoing bytes to be within the /// acceptible range of 0 - 127. Writes will throw if a /// value > 127 is found. /// internal class SevenBitStream : DelegatedStream { ////// ctor. /// /// Underlying stream internal SevenBitStream(Stream stream) : base(stream) { } ////// Writes the specified content to the underlying stream /// /// Buffer to write /// Offset within buffer to start writing /// Count of bytes to write /// Callback to call when write completes /// State to pass to callback public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state) { if (buffer == null) throw new ArgumentNullException("buffer"); if (offset < 0 || offset >= buffer.Length) throw new ArgumentOutOfRangeException("offset"); if (offset + count > buffer.Length) throw new ArgumentOutOfRangeException("count"); CheckBytes(buffer, offset, count); IAsyncResult result = base.BeginWrite(buffer, offset, count, callback, state); return result; } ////// Writes the specified content to the underlying stream /// /// Buffer to write /// Offset within buffer to start writing /// Count of bytes to write public override void Write(byte[] buffer, int offset, int count) { if (buffer == null) throw new ArgumentNullException("buffer"); if (offset < 0 || offset >= buffer.Length) throw new ArgumentOutOfRangeException("offset"); if (offset + count > buffer.Length) throw new ArgumentOutOfRangeException("count"); CheckBytes(buffer, offset, count); base.Write(buffer, offset, count); } // helper methods ////// Checks the data in the buffer for bytes > 127. /// /// Buffer containing data /// Offset within buffer to start checking /// Count of bytes to check void CheckBytes(byte[] buffer, int offset, int count) { for (int i = count; i < offset + count; i++) { if (buffer[i] > 127) throw new FormatException(SR.GetString(SR.Mail7BitStreamInvalidCharacter)); } } } } // 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
- ScriptRegistrationManager.cs
- MenuBindingsEditor.cs
- Renderer.cs
- RNGCryptoServiceProvider.cs
- DesignerOptionService.cs
- LiteralDesigner.cs
- PageRequestManager.cs
- DataGridViewRowConverter.cs
- NotifyInputEventArgs.cs
- MutableAssemblyCacheEntry.cs
- ExtensionSimplifierMarkupObject.cs
- EventManager.cs
- MsmqAuthenticationMode.cs
- Style.cs
- MetadataArtifactLoaderXmlReaderWrapper.cs
- HtmlDocument.cs
- LinearGradientBrush.cs
- Debugger.cs
- ErrorTableItemStyle.cs
- GcSettings.cs
- EntitySet.cs
- SafeFreeMibTable.cs
- TraceHandler.cs
- ListParagraph.cs
- CngUIPolicy.cs
- ReadOnlyTernaryTree.cs
- EditorZone.cs
- OracleConnectionFactory.cs
- RealProxy.cs
- _KerberosClient.cs
- RotateTransform3D.cs
- ForwardPositionQuery.cs
- SelectionPattern.cs
- HttpDebugHandler.cs
- SplitterPanel.cs
- Accessors.cs
- securitymgrsite.cs
- DbConnectionPoolGroupProviderInfo.cs
- Internal.cs
- StringUtil.cs
- SchemaImporterExtensionElement.cs
- CheckBox.cs
- NetCodeGroup.cs
- SqlDataSourceCache.cs
- ControlAdapter.cs
- EndPoint.cs
- WindowsTokenRoleProvider.cs
- ObjectListFieldCollection.cs
- SessionPageStateSection.cs
- ActivitySurrogateSelector.cs
- WebRequestModulesSection.cs
- MessagePartDescription.cs
- WebPartConnectionCollection.cs
- StackOverflowException.cs
- AddInControllerImpl.cs
- EncodingStreamWrapper.cs
- ValidatedControlConverter.cs
- ToolStripGripRenderEventArgs.cs
- XmlIgnoreAttribute.cs
- RegexReplacement.cs
- WaitForChangedResult.cs
- TemplateBindingExtension.cs
- ActivityScheduledQuery.cs
- FrameworkReadOnlyPropertyMetadata.cs
- ElementsClipboardData.cs
- ListViewCancelEventArgs.cs
- ZeroOpNode.cs
- XpsS0ValidatingLoader.cs
- HScrollProperties.cs
- DataBoundControlHelper.cs
- XmlDocumentSerializer.cs
- HatchBrush.cs
- AnnotationStore.cs
- VerificationException.cs
- ObjectStateEntry.cs
- FilterEventArgs.cs
- BindValidator.cs
- CapabilitiesRule.cs
- TextBoxAutoCompleteSourceConverter.cs
- MachineSettingsSection.cs
- SmtpMail.cs
- SettingsSection.cs
- StringAttributeCollection.cs
- KeyEventArgs.cs
- GridViewRowPresenterBase.cs
- WebPartZoneCollection.cs
- RestClientProxyHandler.cs
- IsolatedStoragePermission.cs
- SQlBooleanStorage.cs
- DecimalStorage.cs
- OletxDependentTransaction.cs
- ProcessHost.cs
- XmlSchemaSimpleContent.cs
- smtppermission.cs
- CachingHintValidation.cs
- WorkflowDesignerMessageFilter.cs
- listitem.cs
- DataKeyArray.cs
- GridSplitter.cs
- PerformanceCounterCategory.cs