Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Xml / System / Xml / Dom / XmlCharacterData.cs / 1305376 / XmlCharacterData.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace System.Xml { using System.Diagnostics; using System.Text; using System.Xml.XPath; // Provides text-manipulation methods that are used by several classes. public abstract class XmlCharacterData : XmlLinkedNode { string data; //base(doc) will throw exception if doc is null. protected internal XmlCharacterData( string data, XmlDocument doc ): base( doc ) { this.data = data; } // Gets or sets the value of the node. public override String Value { get { return Data;} set { Data = value;} } // Gets or sets the concatenated values of the node and // all its children. public override string InnerText { get { return Value;} set { Value = value;} } // Contains this node's data. public virtual string Data { [System.Runtime.TargetedPatchingOptOutAttribute("Performance critical to inline across NGen image boundaries")] get { if (data != null) { return data; } else { return String.Empty; } } set { XmlNode parent = ParentNode; XmlNodeChangedEventArgs args = GetEventArgs( this, parent, parent, this.data, value, XmlNodeChangedAction.Change ); if (args != null) BeforeEvent( args ); data = value; if (args != null) AfterEvent( args ); } } // Gets the length of the data, in characters. public virtual int Length { get { if (data != null) { return data.Length; } return 0; } } // Retrieves a substring of the full string from the specified range. public virtual String Substring(int offset, int count) { int len = data != null ? data.Length : 0; if (len > 0) { if (len < (offset + count)) { count = len - offset; } return data.Substring( offset, count ); } return String.Empty; } // Appends the specified string to the end of the character // data of the node. public virtual void AppendData(String strData) { XmlNode parent = ParentNode; int capacity = data != null ? data.Length : 0; if (strData != null) capacity += strData.Length; string newValue = new StringBuilder( capacity ).Append( data ).Append( strData ).ToString(); XmlNodeChangedEventArgs args = GetEventArgs( this, parent, parent, data, newValue, XmlNodeChangedAction.Change ); if (args != null) BeforeEvent( args ); this.data = newValue; if (args != null) AfterEvent( args ); } // Insert the specified string at the specified character offset. public virtual void InsertData(int offset, string strData) { XmlNode parent = ParentNode; int capacity = data != null ? data.Length : 0; if (strData != null) capacity += strData.Length; string newValue = new StringBuilder( capacity ).Append( data ).Insert(offset, strData).ToString(); XmlNodeChangedEventArgs args = GetEventArgs( this, parent, parent, data, newValue, XmlNodeChangedAction.Change ); if (args != null) BeforeEvent( args ); this.data = newValue; if (args != null) AfterEvent( args ); } // Remove a range of characters from the node. public virtual void DeleteData(int offset, int count) { //Debug.Assert(offset >= 0 && offset <= Length); int len = data != null ? data.Length : 0; if (len > 0) { if (len < (offset + count)) { count = Math.Max ( len - offset, 0); } } string newValue = new StringBuilder( data ).Remove(offset, count).ToString(); XmlNode parent = ParentNode; XmlNodeChangedEventArgs args = GetEventArgs( this, parent, parent, data, newValue, XmlNodeChangedAction.Change ); if (args != null) BeforeEvent( args ); this.data = newValue; if (args != null) AfterEvent( args ); } // Replace the specified number of characters starting at the specified offset with the // specified string. public virtual void ReplaceData(int offset, int count, String strData) { //Debug.Assert(offset >= 0 && offset <= Length); int len = data != null ? data.Length : 0; if (len > 0) { if (len < (offset + count)) { count = Math.Max ( len - offset, 0); } } StringBuilder temp = new StringBuilder( data ).Remove( offset, count ); string newValue = temp.Insert( offset, strData ).ToString(); XmlNode parent = ParentNode; XmlNodeChangedEventArgs args = GetEventArgs( this, parent, parent, data, newValue, XmlNodeChangedAction.Change ); if (args != null) BeforeEvent( args ); this.data = newValue; if (args != null) AfterEvent( args ); } internal bool CheckOnData( string data ) { return XmlCharType.Instance.IsOnlyWhitespace( data ); } internal bool DecideXPNodeTypeForTextNodes(XmlNode node, ref XPathNodeType xnt) { //returns true - if all siblings of the node are processed else returns false. //The reference XPathNodeType argument being passed in is the watermark that //changes according to the siblings nodetype and will contain the correct //nodetype when it returns. Debug.Assert(XmlDocument.IsTextNode(node.NodeType) || (node.ParentNode != null && node.ParentNode.NodeType == XmlNodeType.EntityReference)); while (node != null) { switch (node.NodeType) { case XmlNodeType.Whitespace : break; case XmlNodeType.SignificantWhitespace : xnt = XPathNodeType.SignificantWhitespace; break; case XmlNodeType.Text : case XmlNodeType.CDATA: xnt = XPathNodeType.Text; return false; case XmlNodeType.EntityReference : if (!DecideXPNodeTypeForTextNodes(node.FirstChild, ref xnt)) { return false; } break; default : return false; } node = node.NextSibling; } return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace System.Xml { using System.Diagnostics; using System.Text; using System.Xml.XPath; // Provides text-manipulation methods that are used by several classes. public abstract class XmlCharacterData : XmlLinkedNode { string data; //base(doc) will throw exception if doc is null. protected internal XmlCharacterData( string data, XmlDocument doc ): base( doc ) { this.data = data; } // Gets or sets the value of the node. public override String Value { get { return Data;} set { Data = value;} } // Gets or sets the concatenated values of the node and // all its children. public override string InnerText { get { return Value;} set { Value = value;} } // Contains this node's data. public virtual string Data { [System.Runtime.TargetedPatchingOptOutAttribute("Performance critical to inline across NGen image boundaries")] get { if (data != null) { return data; } else { return String.Empty; } } set { XmlNode parent = ParentNode; XmlNodeChangedEventArgs args = GetEventArgs( this, parent, parent, this.data, value, XmlNodeChangedAction.Change ); if (args != null) BeforeEvent( args ); data = value; if (args != null) AfterEvent( args ); } } // Gets the length of the data, in characters. public virtual int Length { get { if (data != null) { return data.Length; } return 0; } } // Retrieves a substring of the full string from the specified range. public virtual String Substring(int offset, int count) { int len = data != null ? data.Length : 0; if (len > 0) { if (len < (offset + count)) { count = len - offset; } return data.Substring( offset, count ); } return String.Empty; } // Appends the specified string to the end of the character // data of the node. public virtual void AppendData(String strData) { XmlNode parent = ParentNode; int capacity = data != null ? data.Length : 0; if (strData != null) capacity += strData.Length; string newValue = new StringBuilder( capacity ).Append( data ).Append( strData ).ToString(); XmlNodeChangedEventArgs args = GetEventArgs( this, parent, parent, data, newValue, XmlNodeChangedAction.Change ); if (args != null) BeforeEvent( args ); this.data = newValue; if (args != null) AfterEvent( args ); } // Insert the specified string at the specified character offset. public virtual void InsertData(int offset, string strData) { XmlNode parent = ParentNode; int capacity = data != null ? data.Length : 0; if (strData != null) capacity += strData.Length; string newValue = new StringBuilder( capacity ).Append( data ).Insert(offset, strData).ToString(); XmlNodeChangedEventArgs args = GetEventArgs( this, parent, parent, data, newValue, XmlNodeChangedAction.Change ); if (args != null) BeforeEvent( args ); this.data = newValue; if (args != null) AfterEvent( args ); } // Remove a range of characters from the node. public virtual void DeleteData(int offset, int count) { //Debug.Assert(offset >= 0 && offset <= Length); int len = data != null ? data.Length : 0; if (len > 0) { if (len < (offset + count)) { count = Math.Max ( len - offset, 0); } } string newValue = new StringBuilder( data ).Remove(offset, count).ToString(); XmlNode parent = ParentNode; XmlNodeChangedEventArgs args = GetEventArgs( this, parent, parent, data, newValue, XmlNodeChangedAction.Change ); if (args != null) BeforeEvent( args ); this.data = newValue; if (args != null) AfterEvent( args ); } // Replace the specified number of characters starting at the specified offset with the // specified string. public virtual void ReplaceData(int offset, int count, String strData) { //Debug.Assert(offset >= 0 && offset <= Length); int len = data != null ? data.Length : 0; if (len > 0) { if (len < (offset + count)) { count = Math.Max ( len - offset, 0); } } StringBuilder temp = new StringBuilder( data ).Remove( offset, count ); string newValue = temp.Insert( offset, strData ).ToString(); XmlNode parent = ParentNode; XmlNodeChangedEventArgs args = GetEventArgs( this, parent, parent, data, newValue, XmlNodeChangedAction.Change ); if (args != null) BeforeEvent( args ); this.data = newValue; if (args != null) AfterEvent( args ); } internal bool CheckOnData( string data ) { return XmlCharType.Instance.IsOnlyWhitespace( data ); } internal bool DecideXPNodeTypeForTextNodes(XmlNode node, ref XPathNodeType xnt) { //returns true - if all siblings of the node are processed else returns false. //The reference XPathNodeType argument being passed in is the watermark that //changes according to the siblings nodetype and will contain the correct //nodetype when it returns. Debug.Assert(XmlDocument.IsTextNode(node.NodeType) || (node.ParentNode != null && node.ParentNode.NodeType == XmlNodeType.EntityReference)); while (node != null) { switch (node.NodeType) { case XmlNodeType.Whitespace : break; case XmlNodeType.SignificantWhitespace : xnt = XPathNodeType.SignificantWhitespace; break; case XmlNodeType.Text : case XmlNodeType.CDATA: xnt = XPathNodeType.Text; return false; case XmlNodeType.EntityReference : if (!DecideXPNodeTypeForTextNodes(node.FirstChild, ref xnt)) { return false; } break; default : return false; } node = node.NextSibling; } return true; } } } // 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
- XpsDocument.cs
- GlyphInfoList.cs
- ProcessHost.cs
- DataGridViewDataConnection.cs
- EntityViewGenerationAttribute.cs
- EmbeddedMailObjectsCollection.cs
- AccessViolationException.cs
- PositiveTimeSpanValidatorAttribute.cs
- _NestedMultipleAsyncResult.cs
- ProcessModelSection.cs
- EnumUnknown.cs
- WSMessageEncoding.cs
- RemotingConfigParser.cs
- InvokeHandlers.cs
- HttpListenerPrefixCollection.cs
- HybridCollection.cs
- MtomMessageEncodingBindingElement.cs
- ObjectDataProvider.cs
- InternalBufferOverflowException.cs
- XmlIlVisitor.cs
- FixedSOMTableRow.cs
- WebPartManager.cs
- LinearGradientBrush.cs
- Header.cs
- _BasicClient.cs
- AccessDataSourceView.cs
- ConfigurationElementCollection.cs
- OptimalTextSource.cs
- IntegrationExceptionEventArgs.cs
- XmlValidatingReader.cs
- NamespaceEmitter.cs
- EventsTab.cs
- XmlElement.cs
- HtmlImage.cs
- RestClientProxyHandler.cs
- WebCategoryAttribute.cs
- Keyboard.cs
- BinaryMethodMessage.cs
- LongTypeConverter.cs
- StringOutput.cs
- XmlDataDocument.cs
- CroppedBitmap.cs
- GraphicsContainer.cs
- XmlWriter.cs
- ZipIOCentralDirectoryDigitalSignature.cs
- ColumnWidthChangingEvent.cs
- EncoderReplacementFallback.cs
- SiteMapPath.cs
- TableLayoutColumnStyleCollection.cs
- odbcmetadatacolumnnames.cs
- RuntimeConfigurationRecord.cs
- XPathEmptyIterator.cs
- XPathCompileException.cs
- TextServicesDisplayAttribute.cs
- RbTree.cs
- ConnectionInterfaceCollection.cs
- IdnElement.cs
- CategoryGridEntry.cs
- StructuredTypeEmitter.cs
- rsa.cs
- BindUriHelper.cs
- TextEditor.cs
- ReferencedType.cs
- ConnectionPoolManager.cs
- CommandBindingCollection.cs
- HttpRawResponse.cs
- GlyphTypeface.cs
- CommonDialog.cs
- ComEventsHelper.cs
- IPHostEntry.cs
- FileDialogCustomPlace.cs
- ProgressChangedEventArgs.cs
- HitTestWithPointDrawingContextWalker.cs
- BuildResultCache.cs
- HandlerBase.cs
- Translator.cs
- HandleCollector.cs
- ProcessHost.cs
- DbConnectionPoolGroupProviderInfo.cs
- documentsequencetextview.cs
- ExecutionEngineException.cs
- NullableDoubleSumAggregationOperator.cs
- SegmentInfo.cs
- WizardPanel.cs
- UpdateTranslator.cs
- TimeStampChecker.cs
- RealizationDrawingContextWalker.cs
- Knowncolors.cs
- StaticTextPointer.cs
- ProxyGenerator.cs
- ConstraintEnumerator.cs
- CommentEmitter.cs
- XmlSchemaObjectTable.cs
- CodeEventReferenceExpression.cs
- EncryptedType.cs
- CustomLineCap.cs
- BaseTemplateBuildProvider.cs
- IgnoreFlushAndCloseStream.cs
- TriggerCollection.cs
- PrintDialogDesigner.cs