HttpListenerPrefixCollection.cs

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using System.Collections;
using System.Collections.Generic;
 
namespace System.Net;
 
public class HttpListenerPrefixCollection : ICollection<string>, IEnumerable<string>, IEnumerable
{
    private readonly HttpListener _httpListener;
 
    public int Count => _httpListener.PrefixCollection.Count;
 
    public bool IsSynchronized => false;
 
    public bool IsReadOnly => false;
 
    internal HttpListenerPrefixCollection(HttpListener listener)
    {
        _httpListener = listener;
    }
 
    public void CopyTo(Array array, int offset)
    {
        _httpListener.CheckDisposed();
        if (array == null)
        {
            throw new ArgumentNullException("array");
        }
        if (Count > array.Length)
        {
            throw new ArgumentOutOfRangeException("array", System.SR.net_array_too_small);
        }
        if (offset + Count > array.Length)
        {
            throw new ArgumentOutOfRangeException("offset");
        }
        int num = 0;
        foreach (string item in _httpListener.PrefixCollection)
        {
            array.SetValue(item, offset + num++);
        }
    }
 
    public void CopyTo(string[] array, int offset)
    {
        _httpListener.CheckDisposed();
        if (array == null)
        {
            throw new ArgumentNullException("array");
        }
        if (Count > array.Length)
        {
            throw new ArgumentOutOfRangeException("array", System.SR.net_array_too_small);
        }
        if (offset + Count > array.Length)
        {
            throw new ArgumentOutOfRangeException("offset");
        }
        int num = 0;
        foreach (string item in _httpListener.PrefixCollection)
        {
            array[offset + num++] = item;
        }
    }
 
    public void Add(string uriPrefix)
    {
        _httpListener.AddPrefix(uriPrefix);
    }
 
    public bool Contains(string uriPrefix)
    {
        return _httpListener.ContainsPrefix(uriPrefix);
    }
 
    IEnumerator IEnumerable.GetEnumerator()
    {
        return GetEnumerator();
    }
 
    public IEnumerator<string> GetEnumerator()
    {
        return new ListenerPrefixEnumerator(_httpListener.PrefixCollection.GetEnumerator());
    }
 
    public bool Remove(string uriPrefix)
    {
        return _httpListener.RemovePrefix(uriPrefix);
    }
 
    public void Clear()
    {
        _httpListener.RemoveAll(clear: true);
    }
}