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
- ProfileProvider.cs
- DataTableMappingCollection.cs
- DataQuery.cs
- RtfControlWordInfo.cs
- Documentation.cs
- CommandLibraryHelper.cs
- OdbcTransaction.cs
- HwndPanningFeedback.cs
- ProxyDataContractResolver.cs
- MultipleViewPattern.cs
- ConfigurationFileMap.cs
- WhileDesigner.xaml.cs
- DirectoryNotFoundException.cs
- CallbackValidator.cs
- CodePageEncoding.cs
- SafeFileMappingHandle.cs
- SourceFilter.cs
- ZipIOCentralDirectoryDigitalSignature.cs
- Action.cs
- ShapeTypeface.cs
- SemaphoreFullException.cs
- TextClipboardData.cs
- Int32CollectionConverter.cs
- InvariantComparer.cs
- WebPartCloseVerb.cs
- XmlQuerySequence.cs
- ZeroOpNode.cs
- SectionUpdates.cs
- TlsSspiNegotiation.cs
- SmtpSection.cs
- MenuAdapter.cs
- CompilerCollection.cs
- NativeMethods.cs
- XmlReflectionImporter.cs
- Exception.cs
- followingquery.cs
- DataGridCommandEventArgs.cs
- SerializationInfo.cs
- PackagePart.cs
- SettingsPropertyValueCollection.cs
- querybuilder.cs
- GridViewUpdateEventArgs.cs
- ComboBoxRenderer.cs
- HttpRequest.cs
- EmbossBitmapEffect.cs
- SqlCommand.cs
- SafeNativeMethods.cs
- XamlToRtfWriter.cs
- DataReceivedEventArgs.cs
- SelectionProviderWrapper.cs
- TextRangeEditLists.cs
- XamlStyleSerializer.cs
- DataServiceRequestArgs.cs
- TdsParserSessionPool.cs
- RelationshipEntry.cs
- BamlReader.cs
- MailBnfHelper.cs
- WebPartConnectionsCloseVerb.cs
- IndicCharClassifier.cs
- ServiceProviders.cs
- cookiecontainer.cs
- CharacterBuffer.cs
- CustomExpression.cs
- WindowsFormsLinkLabel.cs
- StackBuilderSink.cs
- EventLogPropertySelector.cs
- SqlUdtInfo.cs
- DataGrid.cs
- PanelStyle.cs
- ResponseBodyWriter.cs
- WorkflowInstance.cs
- OrderedHashRepartitionStream.cs
- DocumentSequenceHighlightLayer.cs
- IssuedTokenParametersElement.cs
- XmlIlTypeHelper.cs
- PropertyPushdownHelper.cs
- SignatureHelper.cs
- SecurityPolicySection.cs
- SrgsNameValueTag.cs
- EventHandlingScope.cs
- ToolboxDataAttribute.cs
- XmlSchemaGroupRef.cs
- Point3DCollection.cs
- columnmapkeybuilder.cs
- InfoCardAsymmetricCrypto.cs
- ListItemCollection.cs
- ShutDownListener.cs
- TextDecoration.cs
- TypePropertyEditor.cs
- DebuggerAttributes.cs
- ListViewSelectEventArgs.cs
- MenuEventArgs.cs
- XmlDictionaryReader.cs
- ChtmlTextWriter.cs
- SecurityPolicySection.cs
- RectAnimationClockResource.cs
- ToolTipAutomationPeer.cs
- StateDesigner.cs
- XmlExtensionFunction.cs
- ImageCodecInfoPrivate.cs