Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Xml / System / Xml / XPath / Internal / baseaxisquery.cs / 1305376 / baseaxisquery.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 System.Collections; internal abstract class BaseAxisQuery : Query { internal Query qyInput; bool nameTest; string name; string prefix; string nsUri; XPathNodeType typeTest; // these two things are the state of this class // that need to be reset whenever the context changes. protected XPathNavigator currentNode; protected int position; protected BaseAxisQuery(Query qyInput) { this.name = string.Empty; this.prefix = string.Empty; this.nsUri = string.Empty; this.qyInput = qyInput; } protected BaseAxisQuery(Query qyInput, string name, string prefix, XPathNodeType typeTest) { Debug.Assert(qyInput != null); this.qyInput = qyInput; this.name = name; this.prefix = prefix; this.typeTest = typeTest; this.nameTest = prefix.Length != 0 || name.Length != 0; this.nsUri = string.Empty; } protected BaseAxisQuery(BaseAxisQuery other) : base(other) { this.qyInput = Clone(other.qyInput); this.name = other.name; this.prefix = other.prefix; this.nsUri = other.nsUri; this.typeTest = other.typeTest; this.nameTest = other.nameTest; this.position = other.position; this.currentNode = other.currentNode; } public override void Reset() { position = 0; currentNode = null; // After this current will not point to context node from Evaluate() call // But this is ok, becuase there is no public Reset() on XPathNodeIterator qyInput.Reset(); } public override void SetXsltContext(XsltContext context) { Debug.Assert(context != null); nsUri = context.LookupNamespace(prefix); qyInput.SetXsltContext(context); } protected string Name { get { return name; } } protected string Prefix { get { return prefix; } } protected string Namespace { get { return nsUri; } } protected bool NameTest { get { return nameTest; } } protected XPathNodeType TypeTest { get { return typeTest; } } public override int CurrentPosition { get { return position; } } public override XPathNavigator Current { get { return currentNode; } } public virtual bool matches(XPathNavigator e) { if ( TypeTest == e.NodeType || TypeTest == XPathNodeType.All || TypeTest == XPathNodeType.Text && (e.NodeType == XPathNodeType.Whitespace || e.NodeType == XPathNodeType.SignificantWhitespace) ) { if (NameTest) { if (name.Equals(e.LocalName) || name.Length == 0) { if (nsUri.Equals(e.NamespaceURI)){ return true; } } } else { return true; } } return false; } public override object Evaluate(XPathNodeIterator nodeIterator) { ResetCount(); Reset(); qyInput.Evaluate(nodeIterator); AssertQuery(qyInput); return this; } public override double XsltDefaultPriority { get { if (qyInput.GetType() != typeof(ContextQuery)) { return 0.5; // a/b a[b] id('s')/a } Debug.Assert(this is AttributeQuery || this is ChildrenQuery); if (name.Length != 0) { return 0; // p:foo, foo, processing-instruction("foo") } if (prefix.Length != 0) { return -0.25; // p:* } return -0.5; // *, text(), node() } } public override XPathResultType StaticType { get { return XPathResultType.NodeSet; } } public override void PrintQuery(XmlWriter w) { w.WriteStartElement(this.GetType().Name); if (NameTest) { w.WriteAttributeString("name", Prefix.Length != 0 ? Prefix + ':' + Name : Name); } if (TypeTest != XPathNodeType.Element) { w.WriteAttributeString("nodeType", TypeTest.ToString()); } qyInput.PrintQuery(w); 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
- UnaryOperationBinder.cs
- SatelliteContractVersionAttribute.cs
- Control.cs
- ToolStripMenuItem.cs
- InputLanguageSource.cs
- SqlUserDefinedTypeAttribute.cs
- Accessible.cs
- ConfigUtil.cs
- BindingExpressionBase.cs
- MulticastDelegate.cs
- TypeListConverter.cs
- SqlDataSourceParameterParser.cs
- BridgeDataRecord.cs
- RepeatInfo.cs
- SafeMemoryMappedViewHandle.cs
- WebPageTraceListener.cs
- PropertyConverter.cs
- adornercollection.cs
- Point3DCollection.cs
- GridView.cs
- Variable.cs
- ToolboxComponentsCreatedEventArgs.cs
- DataTablePropertyDescriptor.cs
- EncodingStreamWrapper.cs
- RecordsAffectedEventArgs.cs
- CharacterMetricsDictionary.cs
- MiniLockedBorderGlyph.cs
- PrimarySelectionGlyph.cs
- XmlAnyElementAttribute.cs
- RepeaterItemCollection.cs
- DataSourceCache.cs
- HostedElements.cs
- SubstitutionList.cs
- IsolatedStoragePermission.cs
- TextRangeProviderWrapper.cs
- OrderPreservingMergeHelper.cs
- GlyphRun.cs
- HtmlInputHidden.cs
- TraceUtility.cs
- WebPartEditorOkVerb.cs
- CultureTableRecord.cs
- HashCodeCombiner.cs
- CfgParser.cs
- SqlCrossApplyToCrossJoin.cs
- AnimationClock.cs
- InvalidateEvent.cs
- WindowsAltTab.cs
- TextPenaltyModule.cs
- StylusPointDescription.cs
- ExtendedProtectionPolicyElement.cs
- XmlObjectSerializerWriteContext.cs
- TextElementCollectionHelper.cs
- RowToFieldTransformer.cs
- ColumnHeaderConverter.cs
- DataColumnPropertyDescriptor.cs
- SchemaNamespaceManager.cs
- RegisteredHiddenField.cs
- PrimitiveRenderer.cs
- ScriptMethodAttribute.cs
- RegexRunner.cs
- ColorAnimationUsingKeyFrames.cs
- CheckBoxField.cs
- SerializerDescriptor.cs
- MetadataStore.cs
- ETagAttribute.cs
- RbTree.cs
- StringSource.cs
- RadioButtonBaseAdapter.cs
- BoolLiteral.cs
- Matrix3DStack.cs
- ConfigXmlSignificantWhitespace.cs
- WebScriptClientGenerator.cs
- ThumbButtonInfoCollection.cs
- CodeFieldReferenceExpression.cs
- AssemblyInfo.cs
- MergeExecutor.cs
- RadioButton.cs
- IdentityReference.cs
- SrgsSemanticInterpretationTag.cs
- HttpModuleAction.cs
- LinkLabel.cs
- XmlSerializationReader.cs
- ByteConverter.cs
- PolygonHotSpot.cs
- ProfilePropertySettings.cs
- SdlChannelSink.cs
- oledbmetadatacollectionnames.cs
- NativeWrapper.cs
- COAUTHINFO.cs
- CorrelationRequestContext.cs
- DataGridRowHeader.cs
- MultilineStringEditor.cs
- SystemResourceKey.cs
- ChtmlSelectionListAdapter.cs
- ContainerParagraph.cs
- BamlResourceSerializer.cs
- ThemeInfoAttribute.cs
- RadioButtonBaseAdapter.cs
- SecurityUtils.cs
- RSAPKCS1KeyExchangeDeformatter.cs