Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / clr / src / BCL / System / Text / EncoderExceptionFallback.cs / 1 / EncoderExceptionFallback.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // EncoderExceptionFallback.cs namespace System.Text { using System; using System.Runtime.Serialization; [Serializable] public sealed class EncoderExceptionFallback : EncoderFallback { // Construction public EncoderExceptionFallback() { } public override EncoderFallbackBuffer CreateFallbackBuffer() { return new EncoderExceptionFallbackBuffer(); } // Maximum number of characters that this instance of this fallback could return public override int MaxCharCount { get { return 0; } } public override bool Equals(Object value) { EncoderExceptionFallback that = value as EncoderExceptionFallback; if (that != null) { return (true); } return (false); } public override int GetHashCode() { return 654; } } public sealed class EncoderExceptionFallbackBuffer : EncoderFallbackBuffer { public override bool Fallback(char charUnknown, int index) { // Fall back our char throw new EncoderFallbackException( Environment.GetResourceString("Argument_InvalidCodePageConversionIndex", (int)charUnknown, index), charUnknown, index); } public override bool Fallback(char charUnknownHigh, char charUnknownLow, int index) { if (!Char.IsHighSurrogate(charUnknownHigh)) { throw new ArgumentOutOfRangeException("charUnknownHigh", Environment.GetResourceString("ArgumentOutOfRange_Range", 0xD800, 0xDBFF)); } if (!Char.IsLowSurrogate(charUnknownLow)) { throw new ArgumentOutOfRangeException("CharUnknownLow", Environment.GetResourceString("ArgumentOutOfRange_Range", 0xDC00, 0xDFFF)); } int iTemp = Char.ConvertToUtf32(charUnknownHigh, charUnknownLow); // Fall back our char throw new EncoderFallbackException( Environment.GetResourceString("Argument_InvalidCodePageConversionIndex", iTemp, index), charUnknownHigh, charUnknownLow, index); } public override char GetNextChar() { return (char)0; } public override bool MovePrevious() { // Exception fallback doesn't have anywhere to back up to. return false; } // Exceptions are always empty public override int Remaining { get { return 0; } } } [Serializable] public sealed class EncoderFallbackException : ArgumentException { char charUnknown; char charUnknownHigh; char charUnknownLow; int index; public EncoderFallbackException() : base(Environment.GetResourceString("Arg_ArgumentException")) { SetErrorCode(__HResults.COR_E_ARGUMENT); } public EncoderFallbackException(String message) : base(message) { SetErrorCode(__HResults.COR_E_ARGUMENT); } public EncoderFallbackException(String message, Exception innerException) : base(message, innerException) { SetErrorCode(__HResults.COR_E_ARGUMENT); } internal EncoderFallbackException(SerializationInfo info, StreamingContext context) : base(info, context) { } internal EncoderFallbackException( String message, char charUnknown, int index) : base(message) { this.charUnknown = charUnknown; this.index = index; } internal EncoderFallbackException( String message, char charUnknownHigh, char charUnknownLow, int index) : base(message) { if (!Char.IsHighSurrogate(charUnknownHigh)) { throw new ArgumentOutOfRangeException("charUnknownHigh", Environment.GetResourceString("ArgumentOutOfRange_Range", 0xD800, 0xDBFF)); } if (!Char.IsLowSurrogate(charUnknownLow)) { throw new ArgumentOutOfRangeException("CharUnknownLow", Environment.GetResourceString("ArgumentOutOfRange_Range", 0xDC00, 0xDFFF)); } this.charUnknownHigh = charUnknownHigh; this.charUnknownLow = charUnknownLow; this.index = index; } public char CharUnknown { get { return (charUnknown); } } public char CharUnknownHigh { get { return (charUnknownHigh); } } public char CharUnknownLow { get { return (charUnknownLow); } } public int Index { get { return index; } } // Return true if the unknown character is a surrogate pair. public bool IsUnknownSurrogate() { return (this.charUnknownHigh != '\0'); } } } // 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
- NavigationPropertySingletonExpression.cs
- XmlSortKey.cs
- PageThemeParser.cs
- Label.cs
- VirtualizingStackPanel.cs
- AddInControllerImpl.cs
- HtmlTableRow.cs
- SqlDataSourceView.cs
- DataViewListener.cs
- DataErrorValidationRule.cs
- selecteditemcollection.cs
- ToolboxDataAttribute.cs
- DetailsViewCommandEventArgs.cs
- CrossSiteScriptingValidation.cs
- wgx_render.cs
- ObjectListSelectEventArgs.cs
- SmiContext.cs
- Quaternion.cs
- DefaultExpressionVisitor.cs
- WebPartEditVerb.cs
- CollaborationHelperFunctions.cs
- RootBuilder.cs
- FileIOPermission.cs
- RotationValidation.cs
- ClientConvert.cs
- RefreshPropertiesAttribute.cs
- EntityDataSourceState.cs
- SerializationInfo.cs
- CharacterMetricsDictionary.cs
- HostProtectionPermission.cs
- ErrorHandlerFaultInfo.cs
- CachedBitmap.cs
- SqlGenericUtil.cs
- WebBrowserPermission.cs
- FullTrustAssembly.cs
- ClipboardData.cs
- InvalidAsynchronousStateException.cs
- ErrorHandler.cs
- PrintDialog.cs
- LocatorPart.cs
- FixedStringLookup.cs
- linebase.cs
- BamlStream.cs
- WindowsToolbarAsMenu.cs
- WebMessageEncodingElement.cs
- MetadataArtifactLoaderComposite.cs
- RowToFieldTransformer.cs
- ManagedIStream.cs
- QilGeneratorEnv.cs
- ContractMapping.cs
- StringPropertyBuilder.cs
- OleDbPropertySetGuid.cs
- MailMessageEventArgs.cs
- CompiledQuery.cs
- Assembly.cs
- DesignerListAdapter.cs
- WindowsGraphics.cs
- RoleGroup.cs
- SplitContainer.cs
- ToolStripScrollButton.cs
- EventData.cs
- HybridDictionary.cs
- XsdValidatingReader.cs
- InheritablePropertyChangeInfo.cs
- PriorityRange.cs
- UnaryOperationBinder.cs
- RenderTargetBitmap.cs
- InteropAutomationProvider.cs
- WebHttpSecurity.cs
- HtmlInputHidden.cs
- DbConvert.cs
- CheckBoxStandardAdapter.cs
- Buffer.cs
- SplitterEvent.cs
- PrintDialog.cs
- SqlProviderManifest.cs
- coordinatorscratchpad.cs
- SizeConverter.cs
- TemplateKey.cs
- ConsoleKeyInfo.cs
- Main.cs
- Dump.cs
- WebPartCatalogAddVerb.cs
- ReferencedType.cs
- WindowsSolidBrush.cs
- XmlImplementation.cs
- RootBrowserWindow.cs
- XslVisitor.cs
- DataTableNameHandler.cs
- XmlUrlResolver.cs
- MemberListBinding.cs
- DesignerVerb.cs
- SafeFileHandle.cs
- ColumnTypeConverter.cs
- RSAPKCS1SignatureDeformatter.cs
- LocatorManager.cs
- UserControlCodeDomTreeGenerator.cs
- IxmlLineInfo.cs
- DrawListViewSubItemEventArgs.cs
- NotificationContext.cs