RecursionLimiter.cs

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namespace System.Xml.Serialization;
 
internal sealed class RecursionLimiter
{
    private readonly int _maxDepth;
 
    private int _depth;
 
    private WorkItems _deferredWorkItems;
 
    internal bool IsExceededLimit => _depth > _maxDepth;
 
    internal int Depth
    {
        get
        {
            return _depth;
        }
        set
        {
            _depth = value;
        }
    }
 
    internal WorkItems DeferredWorkItems
    {
        get
        {
            if (_deferredWorkItems == null)
            {
                _deferredWorkItems = new WorkItems();
            }
            return _deferredWorkItems;
        }
    }
 
    internal RecursionLimiter()
    {
        _depth = 0;
        _maxDepth = (DiagnosticsSwitches.NonRecursiveTypeLoading.Enabled ? 1 : int.MaxValue);
    }
}