/*
 * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this 
 * software and associated documentation files (the "Software"), to deal in the 
 * Software without restriction, including without limitation the rights to use, 
 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of 
 * the Software, and to permit persons to whom the Software is furnished to do so, 
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies 
 * or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
 * DEALINGS IN THE SOFTWARE.
 * 
 */
using System.Collections;
using System.IO;

namespace ThirdParty.BouncyCastle.Asn1
{
	public class DerSequence
		: Asn1Sequence
	{
		public static readonly DerSequence Empty = new DerSequence();

		public static DerSequence FromVector(
			Asn1EncodableVector v)
		{
			return v.Count < 1 ? Empty : new DerSequence(v);
		}

		/**
		 * create an empty sequence
		 */
		public DerSequence()
			: base(0)
		{
		}

		/**
		 * create a sequence containing one object
		 */
		public DerSequence(
			Asn1Encodable obj)
			: base(1)
		{
			AddObject(obj);
		}

		public DerSequence(
			params Asn1Encodable[] v)
			: base(v.Length)
		{
			foreach (Asn1Encodable ae in v)
			{
				AddObject(ae);
			}
		}

		/**
		 * create a sequence containing a vector of objects.
		 */
		public DerSequence(
			Asn1EncodableVector v)
			: base(v.Count)
		{
			foreach (Asn1Encodable ae in v)
			{
				AddObject(ae);
			}
		}
	}
}