Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Xml / System / Xml / XPath / Internal / VariableQuery.cs / 1 / 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. // //[....] //----------------------------------------------------------------------------- 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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- FontUnitConverter.cs
- XmlLinkedNode.cs
- WebBrowser.cs
- ChtmlSelectionListAdapter.cs
- EventMap.cs
- SettingsProperty.cs
- CommonObjectSecurity.cs
- UIElement3D.cs
- _FtpDataStream.cs
- WorkerProcess.cs
- AssemblyHash.cs
- ColumnResizeUndoUnit.cs
- Random.cs
- BaseDataBoundControl.cs
- SR.cs
- ParallelTimeline.cs
- DependencyObjectType.cs
- LogLogRecordEnumerator.cs
- QueryServiceConfigHandle.cs
- CodeFieldReferenceExpression.cs
- AttributeData.cs
- SQLDecimalStorage.cs
- SafeLocalAllocation.cs
- FrugalList.cs
- DesignerTransaction.cs
- DelegatingTypeDescriptionProvider.cs
- XsltFunctions.cs
- SkinIDTypeConverter.cs
- SpellerHighlightLayer.cs
- mediaeventargs.cs
- ScrollChrome.cs
- SchemaTypeEmitter.cs
- PointCollection.cs
- XmlSchemaAppInfo.cs
- ExtendedPropertyDescriptor.cs
- CodeDomSerializationProvider.cs
- ThreadStaticAttribute.cs
- TableAutomationPeer.cs
- CultureInfoConverter.cs
- LocatorPart.cs
- ConstructorExpr.cs
- TabControlCancelEvent.cs
- ArgIterator.cs
- ShortcutKeysEditor.cs
- KeyValueInternalCollection.cs
- SystemIcmpV4Statistics.cs
- TemplateControlParser.cs
- HandlerBase.cs
- HandleCollector.cs
- ModulesEntry.cs
- ZipIOLocalFileBlock.cs
- IriParsingElement.cs
- DocumentScope.cs
- RegexRunner.cs
- CellCreator.cs
- AbstractDataSvcMapFileLoader.cs
- WindowsComboBox.cs
- CacheRequest.cs
- TransactionManagerProxy.cs
- ArrayConverter.cs
- ClientBuildManagerCallback.cs
- CompilerCollection.cs
- TimelineCollection.cs
- SafeSystemMetrics.cs
- GeometryGroup.cs
- HtmlControl.cs
- WebBaseEventKeyComparer.cs
- ObjectView.cs
- WorkflowServiceBuildProvider.cs
- WorkflowServiceNamespace.cs
- Oid.cs
- RegexGroupCollection.cs
- WaitHandle.cs
- AccessControlList.cs
- xml.cs
- StrongName.cs
- LocationSectionRecord.cs
- AspCompat.cs
- FocusWithinProperty.cs
- CompatibleIComparer.cs
- AlternateView.cs
- HideDisabledControlAdapter.cs
- DeploymentSection.cs
- ApplicationHost.cs
- NullableFloatAverageAggregationOperator.cs
- XmlSchemaImporter.cs
- RequestCacheValidator.cs
- ColorPalette.cs
- ButtonChrome.cs
- FormatterServices.cs
- remotingproxy.cs
- AutomationIdentifierGuids.cs
- DataService.cs
- BridgeDataReader.cs
- SafeViewOfFileHandle.cs
- TableLayout.cs
- PromptBuilder.cs
- UndirectedGraph.cs
- IntSecurity.cs
- DataListItemEventArgs.cs