Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / Xml / System / Xml / XPath / Internal / VariableQuery.cs / 2 / VariableQuery.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; internal sealed class VariableQuery : ExtensionQuery { private IXsltContextVariable variable; public VariableQuery(string name, string prefix) : base(prefix, name) {} private VariableQuery(VariableQuery other) : base(other) { this.variable = other.variable; } public override void SetXsltContext(XsltContext context) { if (context == null) { throw XPathException.Create(Res.Xp_NoContext); } if (this.xsltContext != context) { xsltContext = context; variable = xsltContext.ResolveVariable(prefix, name); // Since null is allowed for ResolveFunction, allow it for ResolveVariable as well if (variable == null) { throw XPathException.Create(Res.Xp_UndefVar, QName); } } } public override object Evaluate(XPathNodeIterator nodeIterator) { if (xsltContext == null) { throw XPathException.Create(Res.Xp_NoContext); } return ProcessResult(variable.Evaluate(xsltContext)); } public override XPathResultType StaticType { get { if (variable != null) { // Temp. fix to overcome dependency on static type return GetXPathType(Evaluate(null)); } XPathResultType result = variable != null ? variable.VariableType : XPathResultType.Any; if (result == XPathResultType.Error) { // In v.1 we confused Error & Any so now for backward compatibility we should allow users to return any of them. result = XPathResultType.Any; } return result; } } public override XPathNodeIterator Clone() { return new VariableQuery(this); } public override void PrintQuery(XmlWriter w) { w.WriteStartElement(this.GetType().Name); w.WriteAttributeString("name", prefix.Length != 0 ? prefix + ':' + name : name); 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
- DispatchChannelSink.cs
- PasswordTextNavigator.cs
- SuppressMergeCheckAttribute.cs
- CodeIdentifiers.cs
- ProviderUtil.cs
- DataGridViewToolTip.cs
- DataGridViewAdvancedBorderStyle.cs
- CharacterString.cs
- WebResourceAttribute.cs
- SettingsPropertyValueCollection.cs
- EntitySqlQueryCacheKey.cs
- GradientBrush.cs
- AbstractSvcMapFileLoader.cs
- DynamicValidatorEventArgs.cs
- AppDomainManager.cs
- DataViewManagerListItemTypeDescriptor.cs
- PagerStyle.cs
- StickyNoteAnnotations.cs
- CultureInfoConverter.cs
- PageContentCollection.cs
- DataErrorValidationRule.cs
- WeakReadOnlyCollection.cs
- UnsafeNativeMethods.cs
- Queue.cs
- EventLogPermissionAttribute.cs
- CheckBoxFlatAdapter.cs
- TiffBitmapDecoder.cs
- ActivityDesignerHelper.cs
- WsatAdminException.cs
- WorkflowPersistenceService.cs
- HwndAppCommandInputProvider.cs
- MatrixTransform3D.cs
- TextEditorLists.cs
- TwoPhaseCommitProxy.cs
- LayoutEvent.cs
- PasswordTextNavigator.cs
- XmlWriterTraceListener.cs
- FormCollection.cs
- LinqDataSource.cs
- OdbcEnvironmentHandle.cs
- ObjectSerializerFactory.cs
- ErrorFormatter.cs
- CookieProtection.cs
- ProfileGroupSettings.cs
- StylusPlugin.cs
- VerificationAttribute.cs
- InputReferenceExpression.cs
- CaseInsensitiveHashCodeProvider.cs
- DataSourceConverter.cs
- XamlParser.cs
- BaseParser.cs
- Base64Encoding.cs
- ExpressionBindingCollection.cs
- BooleanFacetDescriptionElement.cs
- QuadraticBezierSegment.cs
- sqlcontext.cs
- SelectedCellsCollection.cs
- AdornerHitTestResult.cs
- BamlTreeMap.cs
- ThrowHelper.cs
- UTF8Encoding.cs
- RewritingSimplifier.cs
- ViewLoader.cs
- EntityDataSourceUtil.cs
- HostingPreferredMapPath.cs
- ExtractorMetadata.cs
- ListManagerBindingsCollection.cs
- InputEventArgs.cs
- DataTableNewRowEvent.cs
- UnauthorizedAccessException.cs
- ErrorLog.cs
- UIElementPropertyUndoUnit.cs
- TextView.cs
- TypeContext.cs
- XmlDataDocument.cs
- PointLightBase.cs
- ObjectContext.cs
- ResourceReferenceExpression.cs
- dtdvalidator.cs
- IncrementalReadDecoders.cs
- DbMetaDataCollectionNames.cs
- Triangle.cs
- DeflateStream.cs
- InputReport.cs
- MouseButtonEventArgs.cs
- CompoundFileDeflateTransform.cs
- XmlSchemaCompilationSettings.cs
- ResourceAssociationSetEnd.cs
- SelectiveScrollingGrid.cs
- Int32AnimationUsingKeyFrames.cs
- XmlNode.cs
- SecurityMode.cs
- Utils.cs
- DataPagerCommandEventArgs.cs
- StartUpEventArgs.cs
- TraceFilter.cs
- ConfigXmlSignificantWhitespace.cs
- UserControl.cs
- WebContentFormatHelper.cs
- XmlValidatingReaderImpl.cs