Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Net / System / Net / Mail / DomainLiteralReader.cs / 1305376 / DomainLiteralReader.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Net.Mail{ using System.Net.Mime; using System.Diagnostics; using System.Text; // // RFC 2822 Section 3.4.1 - Addr-Spec, Domain-Literals // A domain literal is a domain identifier that does not conform to the dot-atom format (Section 3.2.4) and must be // enclosed in brackets '[' ']'. Domain literals may contain quoted-pairs. // internal static class DomainLiteralReader { // // Reads a domain literal in reverse // // Preconditions: // - Index must be within the bounds of the data string. // - The char at the given index is the initial bracket. (data[index] == EndSquareBracket) // // Return value: // - The next index past the terminating bracket (data[index + 1] == StartSquareBracket). // e.g. In (user@[domain]), starting at index=12 (]) returns index=4 (@). // // A FormatException will be thrown if: // - A non-escaped character is encountered that is not valid in a domain literal, including Unicode. // - The final bracket is not found. // internal static int ReadReverse(string data, int index) { Debug.Assert(0 <= index && index < data.Length, "index was outside the bounds of the string: " + index); Debug.Assert(data[index] == MailBnfHelper.EndSquareBracket, "data did not end with a square bracket"); // Skip the end bracket index--; do { // Check for valid whitespace index = WhitespaceReader.ReadFwsReverse(data, index); if (index < 0) { break; } // Check for escaped characters int quotedCharCount = QuotedPairReader.CountQuotedChars(data, index, false); if (quotedCharCount > 0) { // Skip quoted pairs index = index - quotedCharCount; } // Check for the terminating bracket else if (data[index] == MailBnfHelper.StartSquareBracket) { // We're done parsing return index - 1; } // Check for invalid characters else if (data[index] > MailBnfHelper.Ascii7bitMaxValue || !MailBnfHelper.Dtext[data[index]]) { throw new FormatException(SR.GetString(SR.MailHeaderFieldInvalidCharacter, data[index])); } // Valid char else { index--; } } while (index >= 0); // We didn't find a matching '[', throw. throw new FormatException(SR.GetString(SR.MailHeaderFieldInvalidCharacter, MailBnfHelper.EndSquareBracket)); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Net.Mail{ using System.Net.Mime; using System.Diagnostics; using System.Text; // // RFC 2822 Section 3.4.1 - Addr-Spec, Domain-Literals // A domain literal is a domain identifier that does not conform to the dot-atom format (Section 3.2.4) and must be // enclosed in brackets '[' ']'. Domain literals may contain quoted-pairs. // internal static class DomainLiteralReader { // // Reads a domain literal in reverse // // Preconditions: // - Index must be within the bounds of the data string. // - The char at the given index is the initial bracket. (data[index] == EndSquareBracket) // // Return value: // - The next index past the terminating bracket (data[index + 1] == StartSquareBracket). // e.g. In (user@[domain]), starting at index=12 (]) returns index=4 (@). // // A FormatException will be thrown if: // - A non-escaped character is encountered that is not valid in a domain literal, including Unicode. // - The final bracket is not found. // internal static int ReadReverse(string data, int index) { Debug.Assert(0 <= index && index < data.Length, "index was outside the bounds of the string: " + index); Debug.Assert(data[index] == MailBnfHelper.EndSquareBracket, "data did not end with a square bracket"); // Skip the end bracket index--; do { // Check for valid whitespace index = WhitespaceReader.ReadFwsReverse(data, index); if (index < 0) { break; } // Check for escaped characters int quotedCharCount = QuotedPairReader.CountQuotedChars(data, index, false); if (quotedCharCount > 0) { // Skip quoted pairs index = index - quotedCharCount; } // Check for the terminating bracket else if (data[index] == MailBnfHelper.StartSquareBracket) { // We're done parsing return index - 1; } // Check for invalid characters else if (data[index] > MailBnfHelper.Ascii7bitMaxValue || !MailBnfHelper.Dtext[data[index]]) { throw new FormatException(SR.GetString(SR.MailHeaderFieldInvalidCharacter, data[index])); } // Valid char else { index--; } } while (index >= 0); // We didn't find a matching '[', throw. throw new FormatException(SR.GetString(SR.MailHeaderFieldInvalidCharacter, MailBnfHelper.EndSquareBracket)); } } } // 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
- VisemeEventArgs.cs
- NameValueFileSectionHandler.cs
- CollectionEditorDialog.cs
- BufferAllocator.cs
- ForwardPositionQuery.cs
- DataGridHeaderBorder.cs
- ReflectTypeDescriptionProvider.cs
- MatrixCamera.cs
- DecimalAnimationUsingKeyFrames.cs
- SqlInternalConnectionTds.cs
- MissingMemberException.cs
- XamlFrame.cs
- DesignerSerializationOptionsAttribute.cs
- SingleSelectRootGridEntry.cs
- FormViewDeleteEventArgs.cs
- WebPartExportVerb.cs
- GridLength.cs
- UnorderedHashRepartitionStream.cs
- ViewPort3D.cs
- RuleProcessor.cs
- WorkflowQueueInfo.cs
- ClientConfigurationSystem.cs
- NonPrimarySelectionGlyph.cs
- Merger.cs
- PipeException.cs
- OperatingSystem.cs
- SplitterCancelEvent.cs
- WebMessageBodyStyleHelper.cs
- XamlGridLengthSerializer.cs
- DesignerTransaction.cs
- ColumnHeader.cs
- SecurityContext.cs
- CroppedBitmap.cs
- RelativeSource.cs
- AutoGeneratedFieldProperties.cs
- SubpageParagraph.cs
- DataGridViewRowHeightInfoPushedEventArgs.cs
- ObjectSelectorEditor.cs
- PolygonHotSpot.cs
- DataRecordInternal.cs
- Funcletizer.cs
- DesignTimeVisibleAttribute.cs
- CodeFieldReferenceExpression.cs
- OutputCacheModule.cs
- ChtmlMobileTextWriter.cs
- BamlLocalizabilityResolver.cs
- SemanticResultValue.cs
- NamedPipeProcessProtocolHandler.cs
- PopupRoot.cs
- CompilerResults.cs
- XmlILTrace.cs
- datacache.cs
- HostProtectionException.cs
- ScrollItemProviderWrapper.cs
- TypeInitializationException.cs
- TextEditorParagraphs.cs
- UIElementParaClient.cs
- GridPatternIdentifiers.cs
- ConfigurationManagerHelper.cs
- GenericRootAutomationPeer.cs
- ScriptControl.cs
- AndCondition.cs
- ResourceAssociationTypeEnd.cs
- ManagedCodeMarkers.cs
- HttpException.cs
- GeneralTransform.cs
- PerformanceCounterManager.cs
- Faults.cs
- XPathPatternParser.cs
- TiffBitmapEncoder.cs
- DbModificationClause.cs
- ExpressionParser.cs
- PropertyCondition.cs
- SqlDesignerDataSourceView.cs
- WebPartManager.cs
- AutomationPatternInfo.cs
- DataGridBoolColumn.cs
- ProcessModuleCollection.cs
- IsolatedStoragePermission.cs
- PropertyGeneratedEventArgs.cs
- CreatingCookieEventArgs.cs
- ExchangeUtilities.cs
- MsmqInputSessionChannelListener.cs
- DrawItemEvent.cs
- EntityContainerEntitySetDefiningQuery.cs
- Image.cs
- DataServiceProviderMethods.cs
- ChannelFactoryRefCache.cs
- Attributes.cs
- PagesChangedEventArgs.cs
- SystemInfo.cs
- PointLightBase.cs
- DocumentScope.cs
- DataBoundControlHelper.cs
- EntityDataSourceView.cs
- XmlSchemaImporter.cs
- SettingsAttributeDictionary.cs
- DecoderFallback.cs
- SqlGatherProducedAliases.cs
- WeakReferenceList.cs