Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Xml / System / Xml / Dom / XmlNamedNodeMap.cs / 1305376 / XmlNamedNodeMap.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace System.Xml { using System.Collections; // Represents a collection of nodes that can be accessed by name or index. public class XmlNamedNodeMap : IEnumerable { internal XmlNode parent; internal ArrayList nodes; internal XmlNamedNodeMap( XmlNode parent ) { this.parent = parent; this.nodes = null; } // Retrieves a XmlNode specified by name. public virtual XmlNode GetNamedItem(String name) { int offset = FindNodeOffset(name); if (offset >= 0) return(XmlNode) Nodes[offset]; return null; } // Adds a XmlNode using its Name property public virtual XmlNode SetNamedItem(XmlNode node) { if ( node == null ) return null; int offset = FindNodeOffset( node.LocalName, node.NamespaceURI ); if (offset == -1) { AddNode( node ); return null; } else { return ReplaceNodeAt( offset, node ); } } // Removes the node specified by name. public virtual XmlNode RemoveNamedItem(String name) { int offset = FindNodeOffset(name); if (offset >= 0) { return RemoveNodeAt( offset ); } return null; } // Gets the number of nodes in this XmlNamedNodeMap. public virtual int Count { [System.Runtime.TargetedPatchingOptOutAttribute("Performance critical to inline across NGen image boundaries")] get { if (nodes != null) return nodes.Count; return 0; } } // Retrieves the node at the specified index in this XmlNamedNodeMap. public virtual XmlNode Item(int index) { if (index < 0 || index >= Nodes.Count) return null; try { return(XmlNode) Nodes[index]; } catch ( ArgumentOutOfRangeException ) { throw new IndexOutOfRangeException(Res.GetString(Res.Xdom_IndexOutOfRange)); } } // // DOM Level 2 // // Retrieves a node specified by LocalName and NamespaceURI. public virtual XmlNode GetNamedItem(String localName, String namespaceURI) { int offset = FindNodeOffset( localName, namespaceURI ); if (offset >= 0) return(XmlNode) Nodes[offset]; return null; } // Removes a node specified by local name and namespace URI. public virtual XmlNode RemoveNamedItem(String localName, String namespaceURI) { int offset = FindNodeOffset( localName, namespaceURI ); if (offset >= 0) { return RemoveNodeAt( offset ); } return null; } internal ArrayList Nodes { get { if (nodes == null) nodes = new ArrayList(); return nodes; } } public virtual IEnumerator GetEnumerator() { if ( nodes == null ) { return XmlDocument.EmptyEnumerator; } else { return Nodes.GetEnumerator(); } } internal int FindNodeOffset( string name ) { int c = this.Count; for (int i = 0; i < c; i++) { XmlNode node = (XmlNode) Nodes[i]; if (name == node.Name) return i; } return -1; } internal int FindNodeOffset( string localName, string namespaceURI ) { int c = this.Count; for (int i = 0; i < c; i++) { XmlNode node = (XmlNode) Nodes[i]; if (node.LocalName == localName && node.NamespaceURI == namespaceURI) return i; } return -1; } internal virtual XmlNode AddNode( XmlNode node ) { XmlNode oldParent; if ( node.NodeType == XmlNodeType.Attribute ) oldParent = ((XmlAttribute)node).OwnerElement; else oldParent = node.ParentNode; string nodeValue = node.Value; XmlNodeChangedEventArgs args = parent.GetEventArgs( node, oldParent, parent, nodeValue, nodeValue, XmlNodeChangedAction.Insert ); if (args != null) parent.BeforeEvent( args ); Nodes.Add( node ); node.SetParent( parent ); if (args != null) parent.AfterEvent( args ); return node; } internal virtual XmlNode AddNodeForLoad(XmlNode node, XmlDocument doc) { XmlNodeChangedEventArgs args = doc.GetInsertEventArgsForLoad(node, parent); if (args != null) { doc.BeforeEvent(args); } Nodes.Add(node); node.SetParent(parent); if (args != null) { doc.AfterEvent(args); } return node; } internal virtual XmlNode RemoveNodeAt( int i ) { XmlNode oldNode = (XmlNode)Nodes[i]; string oldNodeValue = oldNode.Value; XmlNodeChangedEventArgs args = parent.GetEventArgs( oldNode, parent, null, oldNodeValue, oldNodeValue, XmlNodeChangedAction.Remove ); if (args != null) parent.BeforeEvent( args ); Nodes.RemoveAt(i); oldNode.SetParent( null ); if (args != null) parent.AfterEvent( args ); return oldNode; } internal XmlNode ReplaceNodeAt( int i, XmlNode node ) { XmlNode oldNode = RemoveNodeAt( i ); InsertNodeAt( i, node ); return oldNode; } internal virtual XmlNode InsertNodeAt( int i, XmlNode node ) { XmlNode oldParent; if ( node.NodeType == XmlNodeType.Attribute ) oldParent = ((XmlAttribute)node).OwnerElement; else oldParent = node.ParentNode; string nodeValue = node.Value; XmlNodeChangedEventArgs args = parent.GetEventArgs( node, oldParent, parent, nodeValue, nodeValue, XmlNodeChangedAction.Insert ); if (args != null) parent.BeforeEvent( args ); Nodes.Insert( i, node ); node.SetParent( parent ); if (args != null) parent.AfterEvent( args ); return node; } } } // 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
- MethodImplAttribute.cs
- LineBreak.cs
- CredentialSelector.cs
- RelationshipSet.cs
- Random.cs
- RouteUrlExpressionBuilder.cs
- XmlSchemaImporter.cs
- NominalTypeEliminator.cs
- WindowsFormsEditorServiceHelper.cs
- WindowsProgressbar.cs
- Viewport2DVisual3D.cs
- ToolboxBitmapAttribute.cs
- CodeSnippetStatement.cs
- clipboard.cs
- FrameDimension.cs
- ValueSerializerAttribute.cs
- AnnotationResource.cs
- EditorZoneAutoFormat.cs
- AttachedPropertyBrowsableForChildrenAttribute.cs
- SecurityResources.cs
- DefaultBinder.cs
- CellTreeNodeVisitors.cs
- ProviderSettingsCollection.cs
- DataTableExtensions.cs
- XamlFrame.cs
- DetailsViewRow.cs
- RuleSetCollection.cs
- DetailsViewPageEventArgs.cs
- CodeExpressionRuleDeclaration.cs
- IdentityReference.cs
- XsltLibrary.cs
- ProxyElement.cs
- MDIClient.cs
- EventBuilder.cs
- SolidBrush.cs
- embossbitmapeffect.cs
- NTAccount.cs
- WebReferencesBuildProvider.cs
- RowType.cs
- HighContrastHelper.cs
- FloaterBaseParagraph.cs
- SlipBehavior.cs
- NamedObjectList.cs
- Dictionary.cs
- ComponentConverter.cs
- TransportDefaults.cs
- ConsumerConnectionPoint.cs
- DeadCharTextComposition.cs
- WindowsProgressbar.cs
- XmlDataDocument.cs
- FrameworkElementFactory.cs
- DotExpr.cs
- XamlHostingSection.cs
- ResourceCategoryAttribute.cs
- SchemaDeclBase.cs
- LocatorPart.cs
- PartDesigner.cs
- TransactionTraceIdentifier.cs
- AlignmentXValidation.cs
- SplashScreenNativeMethods.cs
- ObjectQuery_EntitySqlExtensions.cs
- HostProtectionException.cs
- DefaultWorkflowLoaderService.cs
- OperationGenerator.cs
- HtmlFormWrapper.cs
- ExpressionBindings.cs
- HtmlTableRowCollection.cs
- XmlWrappingReader.cs
- SqlDataRecord.cs
- ConfigDefinitionUpdates.cs
- XmlComment.cs
- DataMisalignedException.cs
- EntityCollection.cs
- DataGridViewRowStateChangedEventArgs.cs
- TlsSspiNegotiation.cs
- SqlWriter.cs
- SafeEventLogWriteHandle.cs
- HttpPostedFileBase.cs
- _Connection.cs
- TextBoxView.cs
- X509PeerCertificateAuthentication.cs
- FunctionImportMapping.cs
- FlowDocumentReaderAutomationPeer.cs
- MasterPage.cs
- NonParentingControl.cs
- GenericTypeParameterBuilder.cs
- DataObjectAttribute.cs
- Ipv6Element.cs
- SpAudioStreamWrapper.cs
- PropertyChangeTracker.cs
- Exception.cs
- WsdlInspector.cs
- HealthMonitoringSection.cs
- ProfileSettingsCollection.cs
- DbParameterHelper.cs
- XmlHelper.cs
- ServicePoint.cs
- DocumentViewerConstants.cs
- Message.cs
- MatrixConverter.cs