Class2.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace File_Compression
{
	public class HuffmanNode
	{
		string symbol;
		int frequency;
		string code;
		HuffmanNode left;
		HuffmanNode right;
		HuffmanNode parent;
		List<HuffmanNode> nodes = new List<HuffmanNode>();
		int Size
		{
			get
			{
				return nodes.Count;
			}
		}
		public HuffmanNode()
		{
		}
		public HuffmanNode(string c, int f)
		{
			this.Symbol = c;
			this.Frequency = f;
		}

		public HuffmanNode(string symbol, int frequency, string code, HuffmanNode left, HuffmanNode right, HuffmanNode parent)
		{
			this.Symbol = symbol;
			this.Frequency = frequency;
			this.Code = code;
			this.Left = left;
			this.Right = right;
			this.Parent = parent;
		}


		public string Symbol { get => symbol; set => symbol = value; }
		public int Frequency { get => frequency; set => frequency = value; }
		public string Code { get => code; set => this.code = value; }
		internal HuffmanNode Left { get => left; set => left = value; }
		internal HuffmanNode Right { get => right; set => right = value; }
		internal HuffmanNode Parent { get => parent; set => parent = value; }
		public List<HuffmanNode> GetList(string text)
		{
			var charsToRemove = new string[] { "\n", "\r" };
			foreach (var c in charsToRemove)
			{
				text = text.Replace(c, string.Empty);
			}

			for (int i = 0; i < text.Length; i++)
			{
				HuffmanNode n = new HuffmanNode();
				n.symbol = text[i].ToString();
				n.frequency++;
				bool flag = false;
				for (int j = 0; j < nodes.Count; j++)
				{
					if (n.symbol == nodes[j].symbol)
					{
						flag = true;
					}
				}
				if (!flag)
				{
					nodes.Add(n);
				}
				else
				{
					for (int q = 0; q < nodes.Count; q++)
					{
						if (nodes[q].symbol == text[i].ToString())
						{
							nodes[q].frequency++;
						}
					}
				}
			}
			return this.nodes;
		}
		public void Display()
		{
			Console.WriteLine(nodes.Count);
			Console.WriteLine("Symbol,\tFrequency");
			foreach (HuffmanNode n in nodes)
			{
				Console.WriteLine(n.Symbol + ",\t" + n.Frequency);
			}
		}
	}

}