Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Xml / System / Xml / XPath / Internal / NodeFunctions.cs / 1 / NodeFunctions.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.Globalization; using System.Xml.Xsl; using FT = MS.Internal.Xml.XPath.Function.FunctionType; internal sealed class NodeFunctions : ValueQuery { Query arg = null; FT funcType; XsltContext xsltContext; public NodeFunctions(FT funcType, Query arg) { this.funcType = funcType; this.arg = arg; } public override void SetXsltContext(XsltContext context){ this.xsltContext = context.Whitespace ? context : null; if (arg != null) { arg.SetXsltContext(context); } } private XPathNavigator EvaluateArg(XPathNodeIterator context) { if (arg == null) { return context.Current; } arg.Evaluate(context); return arg.Advance(); } public override object Evaluate(XPathNodeIterator context) { XPathNavigator argVal; switch (funcType) { case FT.FuncPosition: return (double)context.CurrentPosition; case FT.FuncLast: return (double)context.Count; case FT.FuncNameSpaceUri: argVal = EvaluateArg(context); if (argVal != null) { return argVal.NamespaceURI; } break; case FT.FuncLocalName: argVal = EvaluateArg(context); if (argVal != null) { return argVal.LocalName; } break; case FT.FuncName : argVal = EvaluateArg(context); if (argVal != null) { return argVal.Name; } break; case FT.FuncCount: arg.Evaluate(context); int count = 0; if (xsltContext != null) { XPathNavigator nav; while ((nav = arg.Advance()) != null) { if (nav.NodeType != XPathNodeType.Whitespace || xsltContext.PreserveWhitespace(nav)) { count++; } } } else { while (arg.Advance() != null) { count++; } } return (double) count; } return string.Empty; } public override XPathResultType StaticType { get { return Function.ReturnTypes[(int)funcType]; } } public override XPathNodeIterator Clone() { NodeFunctions method = new NodeFunctions(funcType, Clone(arg)); method.xsltContext = this.xsltContext; return method; } public override void PrintQuery(XmlWriter w) { w.WriteStartElement(this.GetType().Name); w.WriteAttributeString("name", funcType.ToString()); if (arg != null) { arg.PrintQuery(w); } w.WriteEndElement(); } } } // 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; using System.Globalization; using System.Xml.Xsl; using FT = MS.Internal.Xml.XPath.Function.FunctionType; internal sealed class NodeFunctions : ValueQuery { Query arg = null; FT funcType; XsltContext xsltContext; public NodeFunctions(FT funcType, Query arg) { this.funcType = funcType; this.arg = arg; } public override void SetXsltContext(XsltContext context){ this.xsltContext = context.Whitespace ? context : null; if (arg != null) { arg.SetXsltContext(context); } } private XPathNavigator EvaluateArg(XPathNodeIterator context) { if (arg == null) { return context.Current; } arg.Evaluate(context); return arg.Advance(); } public override object Evaluate(XPathNodeIterator context) { XPathNavigator argVal; switch (funcType) { case FT.FuncPosition: return (double)context.CurrentPosition; case FT.FuncLast: return (double)context.Count; case FT.FuncNameSpaceUri: argVal = EvaluateArg(context); if (argVal != null) { return argVal.NamespaceURI; } break; case FT.FuncLocalName: argVal = EvaluateArg(context); if (argVal != null) { return argVal.LocalName; } break; case FT.FuncName : argVal = EvaluateArg(context); if (argVal != null) { return argVal.Name; } break; case FT.FuncCount: arg.Evaluate(context); int count = 0; if (xsltContext != null) { XPathNavigator nav; while ((nav = arg.Advance()) != null) { if (nav.NodeType != XPathNodeType.Whitespace || xsltContext.PreserveWhitespace(nav)) { count++; } } } else { while (arg.Advance() != null) { count++; } } return (double) count; } return string.Empty; } public override XPathResultType StaticType { get { return Function.ReturnTypes[(int)funcType]; } } public override XPathNodeIterator Clone() { NodeFunctions method = new NodeFunctions(funcType, Clone(arg)); method.xsltContext = this.xsltContext; return method; } public override void PrintQuery(XmlWriter w) { w.WriteStartElement(this.GetType().Name); w.WriteAttributeString("name", funcType.ToString()); if (arg != null) { arg.PrintQuery(w); } w.WriteEndElement(); } } } // 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
- WindowsScrollBar.cs
- GridEntry.cs
- NoResizeSelectionBorderGlyph.cs
- SQLInt16Storage.cs
- FontWeightConverter.cs
- CompilationRelaxations.cs
- Span.cs
- GifBitmapDecoder.cs
- AsymmetricAlgorithm.cs
- CqlParserHelpers.cs
- HttpHostedTransportConfiguration.cs
- mediapermission.cs
- GradientStopCollection.cs
- XmlQueryContext.cs
- TransformCollection.cs
- ListenerHandler.cs
- PageRequestManager.cs
- GeneratedContractType.cs
- DesignerProperties.cs
- Attributes.cs
- InplaceBitmapMetadataWriter.cs
- CompoundFileIOPermission.cs
- FillBehavior.cs
- ConnectionInterfaceCollection.cs
- DataListCommandEventArgs.cs
- CollectionDataContract.cs
- BaseCollection.cs
- ResizeGrip.cs
- TraceContext.cs
- DataBindingCollection.cs
- initElementDictionary.cs
- SourceElementsCollection.cs
- WsatConfiguration.cs
- bidPrivateBase.cs
- WebServicesDescriptionAttribute.cs
- EncoderBestFitFallback.cs
- OdbcTransaction.cs
- DataObjectPastingEventArgs.cs
- Privilege.cs
- SystemWebSectionGroup.cs
- MethodBody.cs
- FixUpCollection.cs
- CounterCreationData.cs
- WebPartPersonalization.cs
- WebAdminConfigurationHelper.cs
- FileSystemEventArgs.cs
- DBCommandBuilder.cs
- CheckBoxField.cs
- TemplateEditingVerb.cs
- EventBuilder.cs
- Monitor.cs
- FileSystemWatcher.cs
- ProcessHost.cs
- Types.cs
- DynamicILGenerator.cs
- NameValueCollection.cs
- SqlDependency.cs
- CqlParser.cs
- ExecutionContext.cs
- ItemChangedEventArgs.cs
- ObjectFactoryCodeDomTreeGenerator.cs
- XPathDocumentBuilder.cs
- RefType.cs
- QilInvokeEarlyBound.cs
- ForEachAction.cs
- DesignTimeTemplateParser.cs
- _NegotiateClient.cs
- InheritanceRules.cs
- XamlContextStack.cs
- TrackingSection.cs
- DBNull.cs
- ObjectCloneHelper.cs
- AppDomainShutdownMonitor.cs
- InstanceKeyCompleteException.cs
- MenuItem.cs
- xamlnodes.cs
- ThemeDirectoryCompiler.cs
- DesignerDataTable.cs
- StrokeSerializer.cs
- ByteAnimationBase.cs
- AuthenticationService.cs
- HttpResponseInternalWrapper.cs
- TimeSpanMinutesOrInfiniteConverter.cs
- DesignTimeValidationFeature.cs
- QueryResults.cs
- TimeSpan.cs
- DbModificationClause.cs
- TcpClientChannel.cs
- Accessible.cs
- DragEventArgs.cs
- GridViewColumnHeaderAutomationPeer.cs
- DataServiceQueryException.cs
- RightsManagementResourceHelper.cs
- RecordManager.cs
- AppSettingsSection.cs
- TranslateTransform.cs
- MultilineStringConverter.cs
- BuildManagerHost.cs
- ProfileSection.cs
- EmbossBitmapEffect.cs