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
- TabControlAutomationPeer.cs
- Signature.cs
- TimeSpanOrInfiniteConverter.cs
- SerializationSectionGroup.cs
- PenThreadPool.cs
- EntityDataSourceDesigner.cs
- CuspData.cs
- DetailsViewModeEventArgs.cs
- EraserBehavior.cs
- SafeCryptoHandles.cs
- ExpressionBuilderContext.cs
- SQLConvert.cs
- _SingleItemRequestCache.cs
- HwndMouseInputProvider.cs
- UserPersonalizationStateInfo.cs
- Table.cs
- CopyAttributesAction.cs
- MaxMessageSizeStream.cs
- ValidationResult.cs
- XmlUtil.cs
- HtmlForm.cs
- WindowsListViewItemCheckBox.cs
- TableRow.cs
- SimpleType.cs
- RegexMatch.cs
- PageThemeBuildProvider.cs
- HtmlEmptyTagControlBuilder.cs
- TextModifierScope.cs
- ColorAnimationUsingKeyFrames.cs
- LinearKeyFrames.cs
- SqlProfileProvider.cs
- _AutoWebProxyScriptEngine.cs
- XPathMessageFilterElementComparer.cs
- SHA256Managed.cs
- ExtendedProtectionPolicy.cs
- LockedAssemblyCache.cs
- XmlCharacterData.cs
- ConnectionConsumerAttribute.cs
- WpfGeneratedKnownTypes.cs
- SqlDataSourceView.cs
- GridViewUpdatedEventArgs.cs
- FixedSOMLineRanges.cs
- ThreadExceptionDialog.cs
- MultiPageTextView.cs
- DragSelectionMessageFilter.cs
- KnownBoxes.cs
- TdsParser.cs
- TokenBasedSetEnumerator.cs
- AsyncInvokeOperation.cs
- CloudCollection.cs
- XmlBinaryWriter.cs
- ParameterElementCollection.cs
- Adorner.cs
- CalendarModeChangedEventArgs.cs
- ExpressionCopier.cs
- DuplexSecurityProtocolFactory.cs
- WebPartDescriptionCollection.cs
- DataSourceView.cs
- PackageRelationshipCollection.cs
- ReservationNotFoundException.cs
- XmlQueryType.cs
- XPathNodeHelper.cs
- NumericUpDownAcceleration.cs
- XmlQueryType.cs
- SynchronizationLockException.cs
- LinearKeyFrames.cs
- Choices.cs
- HttpConfigurationContext.cs
- ActiveXContainer.cs
- Selector.cs
- SafeThreadHandle.cs
- SafeNativeMethods.cs
- VarInfo.cs
- JoinSymbol.cs
- SiteIdentityPermission.cs
- ViewPort3D.cs
- PreservationFileWriter.cs
- ProfileGroupSettingsCollection.cs
- MsmqHostedTransportManager.cs
- FileVersion.cs
- UpdateCommand.cs
- DrawingBrush.cs
- TraceSwitch.cs
- FormView.cs
- StringValueSerializer.cs
- RegexCode.cs
- LogReserveAndAppendState.cs
- DefaultShape.cs
- Camera.cs
- SqlFileStream.cs
- DigitShape.cs
- WorkflowTransactionService.cs
- basevalidator.cs
- VerificationAttribute.cs
- SqlDelegatedTransaction.cs
- DataObjectEventArgs.cs
- altserialization.cs
- DeferredReference.cs
- HttpMethodAttribute.cs
- FontSizeConverter.cs