// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.Collections;
using System.Xml.Serialization;

namespace System.Xml.Schema
{
    public class XmlSchemaAnnotation : XmlSchemaObject
    {
        private string? _id;
        private readonly XmlSchemaObjectCollection _items = new XmlSchemaObjectCollection();
        private XmlAttribute[]? _moreAttributes;

        [XmlAttribute("id", DataType = "ID")]
        public string? Id
        {
            get { return _id; }
            set { _id = value; }
        }

        [XmlElement("documentation", typeof(XmlSchemaDocumentation)),
         XmlElement("appinfo", typeof(XmlSchemaAppInfo))]
        public XmlSchemaObjectCollection Items
        {
            get { return _items; }
        }

        [XmlAnyAttribute]
        public XmlAttribute[]? UnhandledAttributes
        {
            get { return _moreAttributes; }
            set { _moreAttributes = value; }
        }

        [XmlIgnore]
        internal override string? IdAttribute
        {
            get { return Id; }
            set { Id = value; }
        }

        internal override void SetUnhandledAttributes(XmlAttribute[] moreAttributes)
        {
            _moreAttributes = moreAttributes;
        }
    }
}