Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / Xml / System / Xml / XPath / Internal / XPathAncestorQuery.cs / 1 / XPathAncestorQuery.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace MS.Internal.Xml.XPath { using System; using System.Xml; using System.Xml.XPath; using System.Diagnostics; using System.Collections.Generic; internal sealed class XPathAncestorQuery : CacheAxisQuery { private bool matchSelf; public XPathAncestorQuery(Query qyInput, string name, string prefix, XPathNodeType typeTest, bool matchSelf) : base(qyInput, name, prefix, typeTest) { this.matchSelf = matchSelf; } private XPathAncestorQuery(XPathAncestorQuery other) : base(other) { this.matchSelf = other.matchSelf; } public override object Evaluate(XPathNodeIterator context) { base.Evaluate(context); XPathNavigator ancestor = null; XPathNavigator input; while ((input = qyInput.Advance()) != null) { if (matchSelf) { if (matches(input)) { if (!Insert(outputBuffer, input)) { // If input is already in output buffer all its ancestors are in a buffer as well. continue; } } } if (ancestor == null || ! ancestor.MoveTo(input)) { ancestor = input.Clone(); } while (ancestor.MoveToParent()) { if (matches(ancestor)) { if (!Insert(outputBuffer, ancestor)) { // If input is already in output buffer all its ancestors are in a buffer as well. break; } } } } return this; } public override XPathNodeIterator Clone() { return new XPathAncestorQuery(this); } public override int CurrentPosition { get { return outputBuffer.Count - count + 1; } } public override QueryProps Properties { get { return base.Properties | QueryProps.Reverse; } } public override void PrintQuery(XmlWriter w) { w.WriteStartElement(this.GetType().Name); if (matchSelf) { w.WriteAttributeString("self", "yes"); } if (NameTest) { w.WriteAttributeString("name", Prefix.Length != 0 ? Prefix + ':' + Name : Name); } if (TypeTest != XPathNodeType.Element) { w.WriteAttributeString("nodeType", TypeTest.ToString()); } qyInput.PrintQuery(w); w.WriteEndElement(); } } } // 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
- TargetPerspective.cs
- SystemWebCachingSectionGroup.cs
- PeerResolver.cs
- TaiwanLunisolarCalendar.cs
- CssStyleCollection.cs
- WebPartConnection.cs
- MatrixIndependentAnimationStorage.cs
- RequestCacheEntry.cs
- DataGridViewImageCell.cs
- NamespaceCollection.cs
- WebPartConnectVerb.cs
- TableCellCollection.cs
- WebBodyFormatMessageProperty.cs
- TypeBuilder.cs
- State.cs
- GridViewEditEventArgs.cs
- Help.cs
- DependencyPropertyChangedEventArgs.cs
- WebScriptEndpoint.cs
- PerformanceCounterPermission.cs
- StandardOleMarshalObject.cs
- UpnEndpointIdentityExtension.cs
- NonClientArea.cs
- StorageEndPropertyMapping.cs
- EncodingDataItem.cs
- HttpClientCertificate.cs
- StringComparer.cs
- TextOptionsInternal.cs
- ToolStripButton.cs
- SkewTransform.cs
- ThicknessAnimationUsingKeyFrames.cs
- DashStyle.cs
- _NativeSSPI.cs
- ToolTipService.cs
- DataServiceProcessingPipeline.cs
- MaterialGroup.cs
- BaseAsyncResult.cs
- CanonicalXml.cs
- TimeBoundedCache.cs
- DependencyProperty.cs
- WebPartZoneBase.cs
- DesignerProperties.cs
- ToolStripItemTextRenderEventArgs.cs
- XPathDocument.cs
- ProfileParameter.cs
- ConfigurationManagerHelper.cs
- PropertyNames.cs
- IndicFontClient.cs
- DbMetaDataCollectionNames.cs
- MembershipPasswordException.cs
- CommandCollectionEditor.cs
- NativeWindow.cs
- AdornedElementPlaceholder.cs
- Attachment.cs
- ScrollItemPattern.cs
- ServicePointManagerElement.cs
- RelatedCurrencyManager.cs
- TransformerTypeCollection.cs
- XamlSerializer.cs
- CanonicalizationDriver.cs
- AppDomainCompilerProxy.cs
- GetImportedCardRequest.cs
- FormCollection.cs
- NTAccount.cs
- SqlServices.cs
- Cursors.cs
- ExpressionBuilder.cs
- FocusChangedEventArgs.cs
- BitmapMetadataBlob.cs
- DataGridCheckBoxColumn.cs
- TemplateLookupAction.cs
- CodeDomSerializerBase.cs
- XamlPoint3DCollectionSerializer.cs
- Root.cs
- WebPartTransformerCollection.cs
- MessageSmuggler.cs
- XsdBuildProvider.cs
- ObfuscationAttribute.cs
- XsdValidatingReader.cs
- ColumnClickEvent.cs
- DashStyle.cs
- ProcessModule.cs
- ForEach.cs
- SecurityDescriptor.cs
- HeaderedItemsControl.cs
- FloatSumAggregationOperator.cs
- securitycriticaldataformultiplegetandset.cs
- Claim.cs
- SmtpSection.cs
- CodeSubDirectory.cs
- TextRunProperties.cs
- XmlAttributeAttribute.cs
- MinimizableAttributeTypeConverter.cs
- peersecuritysettings.cs
- _SSPIWrapper.cs
- CheckBoxField.cs
- StorageEntitySetMapping.cs
- FormattedText.cs
- BitmapEncoder.cs
- MediaElement.cs