Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Xml / System / Xml / XPath / Internal / ContextQuery.cs / 1305376 / ContextQuery.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; internal class ContextQuery : Query { protected XPathNavigator contextNode; public ContextQuery() { this.count = 0; } protected ContextQuery(ContextQuery other) : base(other) { this.contextNode = other.contextNode; // Don't need to clone here } public override void Reset() { count = 0; } public override XPathNavigator Current { get { return contextNode; } } public override object Evaluate(XPathNodeIterator context) { contextNode = context.Current; // We don't clone here. Because we never move it. count = 0; return this; } public override XPathNavigator Advance() { if (count == 0) { count = 1; return contextNode; } return null; } public override XPathNavigator MatchNode(XPathNavigator current) { return current; } public override XPathNodeIterator Clone() { return new ContextQuery(this); } public override XPathResultType StaticType { get { return XPathResultType.NodeSet; } } public override int CurrentPosition { get { return count; } } public override int Count { get { return 1; } } public override QueryProps Properties { get { return QueryProps.Merge | QueryProps.Cached | QueryProps.Position | QueryProps.Count; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace MS.Internal.Xml.XPath { using System; using System.Xml; using System.Xml.XPath; using System.Diagnostics; internal class ContextQuery : Query { protected XPathNavigator contextNode; public ContextQuery() { this.count = 0; } protected ContextQuery(ContextQuery other) : base(other) { this.contextNode = other.contextNode; // Don't need to clone here } public override void Reset() { count = 0; } public override XPathNavigator Current { get { return contextNode; } } public override object Evaluate(XPathNodeIterator context) { contextNode = context.Current; // We don't clone here. Because we never move it. count = 0; return this; } public override XPathNavigator Advance() { if (count == 0) { count = 1; return contextNode; } return null; } public override XPathNavigator MatchNode(XPathNavigator current) { return current; } public override XPathNodeIterator Clone() { return new ContextQuery(this); } public override XPathResultType StaticType { get { return XPathResultType.NodeSet; } } public override int CurrentPosition { get { return count; } } public override int Count { get { return 1; } } public override QueryProps Properties { get { return QueryProps.Merge | QueryProps.Cached | QueryProps.Position | QueryProps.Count; } } } } // 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
- Msec.cs
- _CacheStreams.cs
- Char.cs
- ImageMap.cs
- FormParameter.cs
- AuthenticatedStream.cs
- AudioDeviceOut.cs
- FormatConvertedBitmap.cs
- SafeSerializationManager.cs
- DrawingContextWalker.cs
- PnrpPermission.cs
- TextComposition.cs
- StorageSetMapping.cs
- StylusPointDescription.cs
- ResourcePermissionBase.cs
- WebPartHeaderCloseVerb.cs
- CopyNamespacesAction.cs
- Int16KeyFrameCollection.cs
- TextTreeTextNode.cs
- DataGridCaption.cs
- SessionStateContainer.cs
- OpenFileDialog.cs
- TemplateControlCodeDomTreeGenerator.cs
- QuaternionConverter.cs
- RequiredFieldValidator.cs
- ParameterRefs.cs
- OdbcEnvironment.cs
- CheckableControlBaseAdapter.cs
- TraceSection.cs
- Math.cs
- CompilationSection.cs
- BaseTreeIterator.cs
- ColumnReorderedEventArgs.cs
- ParserExtension.cs
- ClientSponsor.cs
- NamedObject.cs
- KnownBoxes.cs
- HTTPNotFoundHandler.cs
- Itemizer.cs
- AuthenticationSection.cs
- QueryStringConverter.cs
- Debug.cs
- StreamInfo.cs
- PerformanceCounterLib.cs
- UnauthorizedWebPart.cs
- WsatConfiguration.cs
- PrefixHandle.cs
- dbdatarecord.cs
- TypeDescriptionProvider.cs
- ExecutionContext.cs
- Timer.cs
- RowToFieldTransformer.cs
- AdRotator.cs
- Debug.cs
- MissingSatelliteAssemblyException.cs
- StackBuilderSink.cs
- XsdValidatingReader.cs
- XmlWrappingReader.cs
- BaseServiceProvider.cs
- ProviderConnectionPoint.cs
- NegotiationTokenAuthenticatorState.cs
- NameNode.cs
- ZipPackage.cs
- XamlVector3DCollectionSerializer.cs
- SafeEventLogWriteHandle.cs
- SafeIUnknown.cs
- ZoomComboBox.cs
- Stroke2.cs
- XmlDataImplementation.cs
- WindowsListViewItemStartMenu.cs
- MediaEntryAttribute.cs
- PackagePartCollection.cs
- UntrustedRecipientException.cs
- FixedPageProcessor.cs
- RadioButtonBaseAdapter.cs
- UnsafeNativeMethods.cs
- WebZoneDesigner.cs
- NumberFormatInfo.cs
- WebPartCancelEventArgs.cs
- DeleteIndexBinder.cs
- shaperfactoryquerycachekey.cs
- UriTemplateCompoundPathSegment.cs
- ForeignConstraint.cs
- UntypedNullExpression.cs
- ScrollBar.cs
- DataControlField.cs
- CharConverter.cs
- sqlser.cs
- HtmlSelectionListAdapter.cs
- HtmlWindow.cs
- XmlBufferReader.cs
- CryptoHelper.cs
- LogSwitch.cs
- LabelAutomationPeer.cs
- MenuBindingsEditor.cs
- HttpHostedTransportConfiguration.cs
- Constants.cs
- CharEnumerator.cs
- OdbcConnectionFactory.cs
- ImportContext.cs