NameTable.cs

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using System.Collections;
using System.Collections.Generic;
 
namespace System.Xml.Serialization;
 
internal sealed class NameTable : INameScope
{
    private readonly Dictionary<NameKey, object> _table = new Dictionary<NameKey, object>();
 
    internal object this[XmlQualifiedName qname]
    {
        get
        {
            if (!_table.TryGetValue(new NameKey(qname.Name, qname.Namespace), out var value))
            {
                return null;
            }
            return value;
        }
        set
        {
            _table[new NameKey(qname.Name, qname.Namespace)] = value;
        }
    }
 
    internal object this[string name, string ns]
    {
        get
        {
            if (!_table.TryGetValue(new NameKey(name, ns), out var value))
            {
                return null;
            }
            return value;
        }
        set
        {
            _table[new NameKey(name, ns)] = value;
        }
    }
 
    object INameScope.this[string name, string ns]
    {
        get
        {
            _table.TryGetValue(new NameKey(name, ns), out var value);
            return value;
        }
        set
        {
            _table[new NameKey(name, ns)] = value;
        }
    }
 
    internal ICollection Values => _table.Values;
 
    internal void Add(XmlQualifiedName qname, object value)
    {
        Add(qname.Name, qname.Namespace, value);
    }
 
    internal void Add(string name, string ns, object value)
    {
        NameKey key = new NameKey(name, ns);
        _table.Add(key, value);
    }
 
    internal Array ToArray(Type type)
    {
        Array array = Array.CreateInstance(type, _table.Count);
        ((ICollection)_table.Values).CopyTo(array, 0);
        return array;
    }
}