Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / 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
- XDeferredAxisSource.cs
- MessagingActivityHelper.cs
- DateTimeFormatInfoScanner.cs
- EntityClassGenerator.cs
- followingsibling.cs
- EditorPartChrome.cs
- AmbiguousMatchException.cs
- ReadWriteObjectLock.cs
- PagerSettings.cs
- XmlArrayAttribute.cs
- ListViewItem.cs
- TraceInternal.cs
- MetadataItemSerializer.cs
- DesignSurfaceServiceContainer.cs
- SystemColorTracker.cs
- FormsAuthentication.cs
- ConfigurationSection.cs
- CommaDelimitedStringAttributeCollectionConverter.cs
- NumericUpDown.cs
- StringConcat.cs
- UnsafeMethods.cs
- ParserHooks.cs
- TempEnvironment.cs
- ToolStripDropDownClosedEventArgs.cs
- DictionaryBase.cs
- AudioDeviceOut.cs
- EventWaitHandleSecurity.cs
- RadioButtonStandardAdapter.cs
- MailAddressCollection.cs
- MultiDataTrigger.cs
- InvalidPrinterException.cs
- FolderLevelBuildProviderCollection.cs
- DbLambda.cs
- UpWmlMobileTextWriter.cs
- KeyValueConfigurationElement.cs
- DateTimeSerializationSection.cs
- SecurityState.cs
- MeshGeometry3D.cs
- ControlBindingsCollection.cs
- NullRuntimeConfig.cs
- WindowsUserNameSecurityTokenAuthenticator.cs
- NetworkCredential.cs
- XPathSingletonIterator.cs
- _HeaderInfo.cs
- ISAPIRuntime.cs
- SystemResourceHost.cs
- SHA256Managed.cs
- Listbox.cs
- BaseTemplateCodeDomTreeGenerator.cs
- TableHeaderCell.cs
- Camera.cs
- GenericAuthenticationEventArgs.cs
- CompressedStack.cs
- Certificate.cs
- QueryLifecycle.cs
- Int16AnimationBase.cs
- WebPartAddingEventArgs.cs
- ListViewItem.cs
- EntityViewGenerationConstants.cs
- ThaiBuddhistCalendar.cs
- DataGridViewHeaderCell.cs
- Propagator.Evaluator.cs
- SimpleBitVector32.cs
- SHA512Managed.cs
- XmlSecureResolver.cs
- hwndwrapper.cs
- PictureBox.cs
- DesignTimeResourceProviderFactoryAttribute.cs
- Win32Exception.cs
- FlowPanelDesigner.cs
- StateDesigner.Layouts.cs
- SecurityKeyIdentifierClause.cs
- EdmRelationshipRoleAttribute.cs
- JournalEntryListConverter.cs
- ObjectContext.cs
- CqlGenerator.cs
- LoadGrammarCompletedEventArgs.cs
- _NtlmClient.cs
- EventlogProvider.cs
- Baml6Assembly.cs
- HttpHandlerAction.cs
- _ConnectStream.cs
- Unit.cs
- CounterSampleCalculator.cs
- ContentOperations.cs
- SelectedGridItemChangedEvent.cs
- EventHandlersStore.cs
- BooleanFunctions.cs
- FaultCode.cs
- IndentedWriter.cs
- Color.cs
- ProfileBuildProvider.cs
- RawStylusInputCustomData.cs
- FtpCachePolicyElement.cs
- SynchronizedInputPattern.cs
- CollectionChangedEventManager.cs
- Button.cs
- DecoderFallbackWithFailureFlag.cs
- AdornedElementPlaceholder.cs
- CodeDirectionExpression.cs