Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / 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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- PersonalizationEntry.cs
- HtmlHead.cs
- LinkClickEvent.cs
- DES.cs
- Matrix3DConverter.cs
- AnonymousIdentificationModule.cs
- SrgsElementFactoryCompiler.cs
- AsymmetricKeyExchangeDeformatter.cs
- SQLMoney.cs
- NetCodeGroup.cs
- DesignerObjectListAdapter.cs
- StyleReferenceConverter.cs
- CultureTableRecord.cs
- PolicyValidationException.cs
- ButtonColumn.cs
- Command.cs
- ObjectParameterCollection.cs
- DataPagerCommandEventArgs.cs
- NativeObjectSecurity.cs
- PackageProperties.cs
- SecurityUtils.cs
- ReadOnlyNameValueCollection.cs
- LoginName.cs
- TagMapCollection.cs
- DataGridViewButtonColumn.cs
- Set.cs
- ToolBar.cs
- ObjectItemNoOpAssemblyLoader.cs
- SoapSchemaMember.cs
- ResXResourceSet.cs
- OleDbErrorCollection.cs
- XPathBinder.cs
- MsdtcWrapper.cs
- Char.cs
- RuntimeHelpers.cs
- COAUTHIDENTITY.cs
- WebPartConnectionsCancelEventArgs.cs
- WebServiceParameterData.cs
- AdapterDictionary.cs
- StringDictionaryCodeDomSerializer.cs
- MediaContextNotificationWindow.cs
- Utils.cs
- OleCmdHelper.cs
- QEncodedStream.cs
- TreeBuilderXamlTranslator.cs
- COM2Enum.cs
- MasterPageBuildProvider.cs
- PageHandlerFactory.cs
- ResourceCodeDomSerializer.cs
- EventLogLink.cs
- NameNode.cs
- EventOpcode.cs
- RecordsAffectedEventArgs.cs
- PageAdapter.cs
- DataGridViewRowCancelEventArgs.cs
- BuildProvider.cs
- SegmentTree.cs
- SqlConnectionHelper.cs
- WhitespaceRuleLookup.cs
- Metadata.cs
- ConfigsHelper.cs
- ParallelTimeline.cs
- OperationInfoBase.cs
- ToolStripCustomTypeDescriptor.cs
- PerspectiveCamera.cs
- TrackBarRenderer.cs
- ConnectionStringsSection.cs
- AssociationEndMember.cs
- CodeThrowExceptionStatement.cs
- FixedSOMImage.cs
- Base64Stream.cs
- ObjectItemCollection.cs
- QueueProcessor.cs
- EdmItemError.cs
- handlecollector.cs
- SqlCharStream.cs
- IISUnsafeMethods.cs
- XmlDictionary.cs
- DocumentsTrace.cs
- FilterException.cs
- ObjectResult.cs
- MetricEntry.cs
- MSAAEventDispatcher.cs
- DataGridViewButtonCell.cs
- MetadataImporter.cs
- PostBackTrigger.cs
- DefaultBindingPropertyAttribute.cs
- ControlHelper.cs
- ReadOnlyDataSourceView.cs
- FreeFormDragDropManager.cs
- CodeObjectCreateExpression.cs
- SchemaCollectionPreprocessor.cs
- QualifiedCellIdBoolean.cs
- FilterEventArgs.cs
- HttpFileCollection.cs
- XmlRawWriter.cs
- XmlExceptionHelper.cs
- CrossAppDomainChannel.cs
- SiteMapSection.cs
- glyphs.cs