XmlText.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / Xml / System / Xml / Dom / XmlText.cs / 1 / XmlText.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml 
{
    using System; 
    using System.Text;
    using System.Diagnostics;
    using System.Xml.XPath;
 
    // Represents the text content of an element or attribute.
    public class XmlText : XmlCharacterData { 
        internal XmlText( string strData ): this( strData, null ) { 
        }
 
        protected internal XmlText( string strData, XmlDocument doc ): base( strData, doc ) {
        }

        // Gets the name of the node. 
        public override String Name {
            get { 
                return OwnerDocument.strTextName; 
            }
        } 

        // Gets the name of the current node without the namespace prefix.
        public override String LocalName {
            get { 
                return OwnerDocument.strTextName;
            } 
        } 

        // Gets the type of the current node. 
        public override XmlNodeType NodeType {
            get {
                return XmlNodeType.Text;
            } 
        }
 
        public override XmlNode ParentNode { 
            get {
                switch (parentNode.NodeType) { 
                    case XmlNodeType.Document:
                        return null;
                    case XmlNodeType.Text:
                    case XmlNodeType.CDATA: 
                    case XmlNodeType.Whitespace:
                    case XmlNodeType.SignificantWhitespace: 
                        XmlNode parent = parentNode.parentNode; 
                        while (parent.IsText) {
                            parent = parent.parentNode; 
                        }
                        return parent;
                    default:
                        return parentNode; 
                }
            } 
        } 

        // Creates a duplicate of this node. 
        public override XmlNode CloneNode(bool deep) {
            Debug.Assert( OwnerDocument != null );
            return OwnerDocument.CreateTextNode( Data );
        } 

        public override String Value { 
            get { 
                return Data;
            } 

            set {
                Data = value;
                XmlNode parent = parentNode; 
                if ( parent != null && parent.NodeType == XmlNodeType.Attribute ) {
                    XmlUnspecifiedAttribute attr = parent as XmlUnspecifiedAttribute; 
                    if ( attr != null && !attr.Specified ) { 
                        attr.SetSpecified( true );
                    } 
                }
            }
        }
 
        // Splits the node into two nodes at the specified offset, keeping
        // both in the tree as siblings. 
        public virtual XmlText SplitText(int offset) { 
            XmlNode parentNode = this.ParentNode;
            int length = this.Length; 
            if( offset > length )
                throw new ArgumentOutOfRangeException( "offset" );
            //if the text node is out of the living tree, throw exception.
            if ( parentNode == null ) 
                throw new InvalidOperationException(Res.GetString(Res.Xdom_TextNode_SplitText));
 
            int count = length - offset; 
            String splitData = Substring(offset, count);
            DeleteData(offset, count); 
            XmlText newTextNode = OwnerDocument.CreateTextNode(splitData);
            parentNode.InsertAfter(newTextNode, this);
            return newTextNode;
        } 

        // Saves the node to the specified XmlWriter. 
        public override void WriteTo(XmlWriter w) { 
            w.WriteString(Data);
        } 

        // Saves all the children of the node to the specified XmlWriter.
        public override void WriteContentTo(XmlWriter w) {
            // Intentionally do nothing 
        }
 
        internal override XPathNodeType XPNodeType { 
            get {
                return XPathNodeType.Text; 
            }
        }

        internal override bool IsText { 
            get {
                return true; 
            } 
        }
 
        internal override XmlNode PreviousText {
            get {
                if (parentNode.IsText) {
                    return parentNode; 
                }
                return null; 
            } 
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml 
{
    using System; 
    using System.Text;
    using System.Diagnostics;
    using System.Xml.XPath;
 
    // Represents the text content of an element or attribute.
    public class XmlText : XmlCharacterData { 
        internal XmlText( string strData ): this( strData, null ) { 
        }
 
        protected internal XmlText( string strData, XmlDocument doc ): base( strData, doc ) {
        }

        // Gets the name of the node. 
        public override String Name {
            get { 
                return OwnerDocument.strTextName; 
            }
        } 

        // Gets the name of the current node without the namespace prefix.
        public override String LocalName {
            get { 
                return OwnerDocument.strTextName;
            } 
        } 

        // Gets the type of the current node. 
        public override XmlNodeType NodeType {
            get {
                return XmlNodeType.Text;
            } 
        }
 
        public override XmlNode ParentNode { 
            get {
                switch (parentNode.NodeType) { 
                    case XmlNodeType.Document:
                        return null;
                    case XmlNodeType.Text:
                    case XmlNodeType.CDATA: 
                    case XmlNodeType.Whitespace:
                    case XmlNodeType.SignificantWhitespace: 
                        XmlNode parent = parentNode.parentNode; 
                        while (parent.IsText) {
                            parent = parent.parentNode; 
                        }
                        return parent;
                    default:
                        return parentNode; 
                }
            } 
        } 

        // Creates a duplicate of this node. 
        public override XmlNode CloneNode(bool deep) {
            Debug.Assert( OwnerDocument != null );
            return OwnerDocument.CreateTextNode( Data );
        } 

        public override String Value { 
            get { 
                return Data;
            } 

            set {
                Data = value;
                XmlNode parent = parentNode; 
                if ( parent != null && parent.NodeType == XmlNodeType.Attribute ) {
                    XmlUnspecifiedAttribute attr = parent as XmlUnspecifiedAttribute; 
                    if ( attr != null && !attr.Specified ) { 
                        attr.SetSpecified( true );
                    } 
                }
            }
        }
 
        // Splits the node into two nodes at the specified offset, keeping
        // both in the tree as siblings. 
        public virtual XmlText SplitText(int offset) { 
            XmlNode parentNode = this.ParentNode;
            int length = this.Length; 
            if( offset > length )
                throw new ArgumentOutOfRangeException( "offset" );
            //if the text node is out of the living tree, throw exception.
            if ( parentNode == null ) 
                throw new InvalidOperationException(Res.GetString(Res.Xdom_TextNode_SplitText));
 
            int count = length - offset; 
            String splitData = Substring(offset, count);
            DeleteData(offset, count); 
            XmlText newTextNode = OwnerDocument.CreateTextNode(splitData);
            parentNode.InsertAfter(newTextNode, this);
            return newTextNode;
        } 

        // Saves the node to the specified XmlWriter. 
        public override void WriteTo(XmlWriter w) { 
            w.WriteString(Data);
        } 

        // Saves all the children of the node to the specified XmlWriter.
        public override void WriteContentTo(XmlWriter w) {
            // Intentionally do nothing 
        }
 
        internal override XPathNodeType XPNodeType { 
            get {
                return XPathNodeType.Text; 
            }
        }

        internal override bool IsText { 
            get {
                return true; 
            } 
        }
 
        internal override XmlNode PreviousText {
            get {
                if (parentNode.IsText) {
                    return parentNode; 
                }
                return null; 
            } 
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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XmlText.cs source code in C# .NET

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