//
//  NodeStack.cs
//
//  Author:
//       Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
//  Copyright (c) 2016 jp
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
using System;
using System.Collections.Generic;

namespace Crow.IML
{
	public class NodeStack : Stack<Node>
	{
		public NodeStack () : base()
		{
		}
		public void IncrementCurrentNodeIndex(){
			Node n = this.Pop();
			this.Push (new Node (n.CrowType, n.Index + 1));
		}
		public void DecrementCurrentNodeIndex(){
			Node n = this.Pop();
			this.Push (new Node (n.CrowType, n.Index - 1));
		}
		public void ResetCurrentNodeIndex(){			
			this.Push (new Node (this.Pop().CrowType));
		}
	}
}