// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Configuration.Internal;
using System.Xml;
 
namespace System.Configuration
{
    internal sealed class ConfigXmlAttribute : XmlAttribute, IConfigErrorInfo
    {
        private string _filename;
        private int _line;
 
        public ConfigXmlAttribute(string filename, int line, string prefix, string localName, string namespaceUri,
            XmlDocument doc)
            : base(prefix, localName, namespaceUri, doc)
        {
            _line = line;
            _filename = filename;
        }
 
        int IConfigErrorInfo.LineNumber => _line;
 
        string IConfigErrorInfo.Filename => _filename;
 
        public override XmlNode CloneNode(bool deep)
        {
            XmlNode cloneNode = base.CloneNode(deep);
            ConfigXmlAttribute clone = cloneNode as ConfigXmlAttribute;
            if (clone != null)
            {
                clone._line = _line;
                clone._filename = _filename;
            }
            return cloneNode;
        }
    }
}