XmlProcessingInstruction.cs

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using System.Diagnostics.CodeAnalysis;
using System.Xml.XPath;
 
namespace System.Xml;
 
public class XmlProcessingInstruction : XmlLinkedNode
{
    private readonly string _target;
 
    private string _data;
 
    public override string Name
    {
        get
        {
            if (_target != null)
            {
                return _target;
            }
            return string.Empty;
        }
    }
 
    public override string LocalName => Name;
 
    public override string Value
    {
        get
        {
            return _data;
        }
        [param: AllowNull]
        set
        {
            Data = value;
        }
    }
 
    public string? Target => _target;
 
    public string Data
    {
        get
        {
            return _data;
        }
        set
        {
            XmlNode xmlNode = ParentNode;
            XmlNodeChangedEventArgs eventArgs = GetEventArgs(this, xmlNode, xmlNode, _data, value, XmlNodeChangedAction.Change);
            if (eventArgs != null)
            {
                BeforeEvent(eventArgs);
            }
            _data = value;
            if (eventArgs != null)
            {
                AfterEvent(eventArgs);
            }
        }
    }
 
    public override string InnerText
    {
        get
        {
            return _data;
        }
        set
        {
            Data = value;
        }
    }
 
    public override XmlNodeType NodeType => XmlNodeType.ProcessingInstruction;
 
    internal override string XPLocalName => Name;
 
    internal override XPathNodeType XPNodeType => XPathNodeType.ProcessingInstruction;
 
    protected internal XmlProcessingInstruction(string target, string data, XmlDocument doc)
        : base(doc)
    {
        _target = target;
        _data = data;
    }
 
    public override XmlNode CloneNode(bool deep)
    {
        return OwnerDocument.CreateProcessingInstruction(_target, _data);
    }
 
    public override void WriteTo(XmlWriter w)
    {
        w.WriteProcessingInstruction(_target, _data);
    }
 
    public override void WriteContentTo(XmlWriter w)
    {
    }
}