XmlRootAttribute.cs

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using System.Diagnostics.CodeAnalysis;
 
namespace System.Xml.Serialization;
 
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Enum | AttributeTargets.Interface | AttributeTargets.ReturnValue)]
public class XmlRootAttribute : Attribute
{
    private string _elementName;
 
    private string _ns;
 
    private string _dataType;
 
    private bool _nullable = true;
 
    private bool _nullableSpecified;
 
    public string ElementName
    {
        get
        {
            if (_elementName != null)
            {
                return _elementName;
            }
            return string.Empty;
        }
        set
        {
            _elementName = value;
        }
    }
 
    public string? Namespace
    {
        get
        {
            return _ns;
        }
        set
        {
            _ns = value;
        }
    }
 
    public string DataType
    {
        get
        {
            if (_dataType != null)
            {
                return _dataType;
            }
            return string.Empty;
        }
        [param: AllowNull]
        set
        {
            _dataType = value;
        }
    }
 
    public bool IsNullable
    {
        get
        {
            return _nullable;
        }
        set
        {
            _nullable = value;
            _nullableSpecified = true;
        }
    }
 
    internal bool IsNullableSpecified => _nullableSpecified;
 
    internal string Key => ((_ns == null) ? string.Empty : _ns) + ":" + ElementName + ":" + _nullable;
 
    public XmlRootAttribute()
    {
    }
 
    public XmlRootAttribute(string elementName)
    {
        _elementName = elementName;
    }
 
    internal bool GetIsNullableSpecified()
    {
        return IsNullableSpecified;
    }
 
    internal string GetKey()
    {
        return Key;
    }
}