Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Xml / System / Xml / Dom / XmlEntityReference.cs / 1 / XmlEntityReference.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- //EntityReference
objects may be inserted into the structure // model when an entity reference is in the source document, or when the user // wishes to insert an entity reference. Note that character references and // references to predefined entities are considered to be expanded by the // HTML or XML processor so that characters are represented by their Unicode // equivalent rather than by an entity reference. Moreover, the XML // processor may completely expand references to entities while building the // structure model, instead of providingEntityReference
// objects. If it does provide such objects, then for a given //EntityReference
node, it may be that there is no //Entity
node representing the referenced entity; but if such // anEntity
exists, then the child list of the //EntityReference
node is the same as that of the //Entity
node. As with theEntity
node, all // descendants of theEntityReference
are readonly. //The resolution of the children of the
EntityReference
(the // replacement value of the referencedEntity
) may be lazily // evaluated; actions by the user (such as calling the //childNodes
method on theEntityReference
node) // are assumed to trigger the evaluation. namespace System.Xml { using System.Diagnostics; // Represents an entity reference node. public class XmlEntityReference : XmlLinkedNode { string name; XmlLinkedNode lastChild; protected internal XmlEntityReference( string name, XmlDocument doc ) : base( doc ) { if ( !doc.IsLoading ) { if ( name.Length > 0 && name[0] == '#' ) { throw new ArgumentException( Res.GetString( Res.Xdom_InvalidCharacter_EntityReference ) ); } } this.name = doc.NameTable.Add(name); doc.fEntRefNodesPresent = true; } // Gets the name of the node. public override string Name { get { return name;} } // Gets the name of the node without the namespace prefix. public override string LocalName { get { return name;} } // Gets or sets the value of the node. public override String Value { get { return null; } set { throw new InvalidOperationException(Res.GetString(Res.Xdom_EntRef_SetVal)); } } // Gets the type of the node. public override XmlNodeType NodeType { get { return XmlNodeType.EntityReference;} } // Creates a duplicate of this node. public override XmlNode CloneNode(bool deep) { Debug.Assert( OwnerDocument != null ); XmlEntityReference eref = OwnerDocument.CreateEntityReference( name ); return eref; } // // Microsoft extensions // // Gets a value indicating whether the node is read-only. public override bool IsReadOnly { get { return true; // Make entity references readonly } } internal override bool IsContainer { get { return true;} } internal override void SetParent( XmlNode node ) { base.SetParent(node); if ( LastNode == null && node != null && node != OwnerDocument ) { //first time insert the entity reference into the tree, we should expand its children now XmlLoader loader = new XmlLoader(); loader.ExpandEntityReference(this); } } internal override void SetParentForLoad( XmlNode node ) { this.SetParent( node ); } internal override XmlLinkedNode LastNode { get { return lastChild; } set { lastChild = value;} } internal override bool IsValidChildType( XmlNodeType type ) { switch (type) { case XmlNodeType.Element: case XmlNodeType.Text: case XmlNodeType.EntityReference: case XmlNodeType.Comment: case XmlNodeType.Whitespace: case XmlNodeType.SignificantWhitespace: case XmlNodeType.ProcessingInstruction: case XmlNodeType.CDATA: return true; default: return false; } } // Saves the node to the specified XmlWriter. public override void WriteTo(XmlWriter w) { w.WriteEntityRef(name); } // Saves all the children of the node to the specified XmlWriter. public override void WriteContentTo(XmlWriter w) { // -- eventually will the fix. commented out waiting for finalizing on the issue. foreach( XmlNode n in this ) { n.WriteTo( w ); } //still use the old code to generate the output /* foreach( XmlNode n in this ) { if ( n.NodeType != XmlNodeType.EntityReference ) n.WriteTo( w ); else n.WriteContentTo( w ); }*/ } public override String BaseURI { get { return OwnerDocument.BaseURI; } } private string ConstructBaseURI( string baseURI, string systemId ) { if ( baseURI == null ) return systemId; int nCount = baseURI.LastIndexOf('/')+1; string buf = baseURI; if ( nCount > 0 && nCount < baseURI.Length ) buf = baseURI.Substring(0, nCount); else if ( nCount == 0 ) buf = buf + "\\"; return (buf + systemId.Replace('\\', '/')); } //childrenBaseURI returns where the entity reference node's children come from internal String ChildBaseURI { get { //get the associate entity and return its baseUri XmlEntity ent = OwnerDocument.GetEntityNode( name ); if ( ent != null ) { if ( ent.SystemId != null && ent.SystemId.Length > 0 ) return ConstructBaseURI(ent.BaseURI, ent.SystemId); else return ent.BaseURI; } return String.Empty; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- //EntityReference
objects may be inserted into the structure // model when an entity reference is in the source document, or when the user // wishes to insert an entity reference. Note that character references and // references to predefined entities are considered to be expanded by the // HTML or XML processor so that characters are represented by their Unicode // equivalent rather than by an entity reference. Moreover, the XML // processor may completely expand references to entities while building the // structure model, instead of providingEntityReference
// objects. If it does provide such objects, then for a given //EntityReference
node, it may be that there is no //Entity
node representing the referenced entity; but if such // anEntity
exists, then the child list of the //EntityReference
node is the same as that of the //Entity
node. As with theEntity
node, all // descendants of theEntityReference
are readonly. //The resolution of the children of the
EntityReference
(the // replacement value of the referencedEntity
) may be lazily // evaluated; actions by the user (such as calling the //childNodes
method on theEntityReference
node) // are assumed to trigger the evaluation. namespace System.Xml { using System.Diagnostics; // Represents an entity reference node. public class XmlEntityReference : XmlLinkedNode { string name; XmlLinkedNode lastChild; protected internal XmlEntityReference( string name, XmlDocument doc ) : base( doc ) { if ( !doc.IsLoading ) { if ( name.Length > 0 && name[0] == '#' ) { throw new ArgumentException( Res.GetString( Res.Xdom_InvalidCharacter_EntityReference ) ); } } this.name = doc.NameTable.Add(name); doc.fEntRefNodesPresent = true; } // Gets the name of the node. public override string Name { get { return name;} } // Gets the name of the node without the namespace prefix. public override string LocalName { get { return name;} } // Gets or sets the value of the node. public override String Value { get { return null; } set { throw new InvalidOperationException(Res.GetString(Res.Xdom_EntRef_SetVal)); } } // Gets the type of the node. public override XmlNodeType NodeType { get { return XmlNodeType.EntityReference;} } // Creates a duplicate of this node. public override XmlNode CloneNode(bool deep) { Debug.Assert( OwnerDocument != null ); XmlEntityReference eref = OwnerDocument.CreateEntityReference( name ); return eref; } // // Microsoft extensions // // Gets a value indicating whether the node is read-only. public override bool IsReadOnly { get { return true; // Make entity references readonly } } internal override bool IsContainer { get { return true;} } internal override void SetParent( XmlNode node ) { base.SetParent(node); if ( LastNode == null && node != null && node != OwnerDocument ) { //first time insert the entity reference into the tree, we should expand its children now XmlLoader loader = new XmlLoader(); loader.ExpandEntityReference(this); } } internal override void SetParentForLoad( XmlNode node ) { this.SetParent( node ); } internal override XmlLinkedNode LastNode { get { return lastChild; } set { lastChild = value;} } internal override bool IsValidChildType( XmlNodeType type ) { switch (type) { case XmlNodeType.Element: case XmlNodeType.Text: case XmlNodeType.EntityReference: case XmlNodeType.Comment: case XmlNodeType.Whitespace: case XmlNodeType.SignificantWhitespace: case XmlNodeType.ProcessingInstruction: case XmlNodeType.CDATA: return true; default: return false; } } // Saves the node to the specified XmlWriter. public override void WriteTo(XmlWriter w) { w.WriteEntityRef(name); } // Saves all the children of the node to the specified XmlWriter. public override void WriteContentTo(XmlWriter w) { // -- eventually will the fix. commented out waiting for finalizing on the issue. foreach( XmlNode n in this ) { n.WriteTo( w ); } //still use the old code to generate the output /* foreach( XmlNode n in this ) { if ( n.NodeType != XmlNodeType.EntityReference ) n.WriteTo( w ); else n.WriteContentTo( w ); }*/ } public override String BaseURI { get { return OwnerDocument.BaseURI; } } private string ConstructBaseURI( string baseURI, string systemId ) { if ( baseURI == null ) return systemId; int nCount = baseURI.LastIndexOf('/')+1; string buf = baseURI; if ( nCount > 0 && nCount < baseURI.Length ) buf = baseURI.Substring(0, nCount); else if ( nCount == 0 ) buf = buf + "\\"; return (buf + systemId.Replace('\\', '/')); } //childrenBaseURI returns where the entity reference node's children come from internal String ChildBaseURI { get { //get the associate entity and return its baseUri XmlEntity ent = OwnerDocument.GetEntityNode( name ); if ( ent != null ) { if ( ent.SystemId != null && ent.SystemId.Length > 0 ) return ConstructBaseURI(ent.BaseURI, ent.SystemId); else return ent.BaseURI; } return String.Empty; } } } } // 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
- RepeatBehavior.cs
- XmlSchemaRedefine.cs
- InternalResources.cs
- dtdvalidator.cs
- GetWorkflowTree.cs
- PointAnimationClockResource.cs
- Timeline.cs
- ObjectResult.cs
- InteropAutomationProvider.cs
- Activity.cs
- PrintDialogException.cs
- QuerySettings.cs
- DrawingVisualDrawingContext.cs
- SystemIPInterfaceProperties.cs
- DecimalAnimationBase.cs
- ReadOnlyDictionary.cs
- DesigntimeLicenseContextSerializer.cs
- mactripleDES.cs
- SpellerStatusTable.cs
- VirtualPathUtility.cs
- VectorCollection.cs
- WorkflowMarkupSerializationManager.cs
- recordstate.cs
- ObjectQuery_EntitySqlExtensions.cs
- HttpPostedFile.cs
- DataGridViewAdvancedBorderStyle.cs
- QuotedPrintableStream.cs
- PreservationFileReader.cs
- Convert.cs
- CodeBinaryOperatorExpression.cs
- Decorator.cs
- ContextDataSource.cs
- ListBox.cs
- BitmapImage.cs
- RecordManager.cs
- AssociationSet.cs
- DBSqlParser.cs
- JsonObjectDataContract.cs
- FixedNode.cs
- UnionCodeGroup.cs
- BatchParser.cs
- InputLanguageCollection.cs
- CheckBoxStandardAdapter.cs
- EntityDataSourceContainerNameItem.cs
- Privilege.cs
- AsyncOperationManager.cs
- ExpandCollapsePatternIdentifiers.cs
- DataGridViewCheckBoxCell.cs
- SettingsContext.cs
- GuidelineSet.cs
- TraceSection.cs
- Point3D.cs
- IListConverters.cs
- DataGridCaption.cs
- CounterCreationDataCollection.cs
- BinHexDecoder.cs
- WindowsStartMenu.cs
- UserPreferenceChangedEventArgs.cs
- HttpInputStream.cs
- DbConnectionFactory.cs
- ParameterCollection.cs
- DataGridRow.cs
- RightsManagementEncryptionTransform.cs
- AssemblyBuilder.cs
- XpsSerializerFactory.cs
- Point3DAnimation.cs
- ContentIterators.cs
- HostSecurityManager.cs
- SecurityException.cs
- SubclassTypeValidator.cs
- FieldCollectionEditor.cs
- TreeViewCancelEvent.cs
- XXXOnTypeBuilderInstantiation.cs
- RoutedEventValueSerializer.cs
- WorkflowInstanceUnhandledExceptionRecord.cs
- TableTextElementCollectionInternal.cs
- CharStorage.cs
- Freezable.cs
- TreeNodeBindingCollection.cs
- TraceUtility.cs
- FixedSOMTableCell.cs
- UInt32.cs
- UrlMappingsSection.cs
- CultureInfoConverter.cs
- WebService.cs
- FloaterBaseParaClient.cs
- TableCell.cs
- ByteAnimationBase.cs
- ObjectTag.cs
- DesignerForm.cs
- _AutoWebProxyScriptHelper.cs
- Set.cs
- ReadOnlyCollectionBase.cs
- WebBrowserPermission.cs
- MetadataArtifactLoaderResource.cs
- ObjectPersistData.cs
- MemberInitExpression.cs
- HtmlFormWrapper.cs
- GlyphCollection.cs
- DbConnectionFactory.cs