An Object-oriented Approach to Finite State Automata

using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using FSA;

namespace FormsFSATest
{
	class MovingObjectFSA
	{
		public enum Output
		{
			TakeCursor = 0,
			NormalCursor = 1,
			MoveCursor = 2
		}
		public enum States
		{
			Normal = 0,
			OverObject = 1,
			Moving = 2
		}
		public enum Input
		{
			MouseLeave = 0,
			MouseEnter = 1, 
			MouseUp = 2, 
			MouseDown = 3, 
			MouseMove = 4, 
		}

		private const int TABLE_SIZE = 8;
		public static FiniteStateAutomaton GetFSA()
		{
			MooreAutomaton moore = new MooreAutomaton(new MooreState[] {
				// Normal
				new MooreState {
					Table = new TableGenerator {
						EmptyTransition = (int) States.Normal,
						HashTransitions = new Hashtable {
							{ Input.MouseEnter, States.OverObject }
						},
						Size = TABLE_SIZE
					}.GenerateTable(),
					Output = (int)Output.NormalCursor

				},
				// over object
				new MooreState {
					Table = new TableGenerator {
						EmptyTransition = (int) States.OverObject,
						HashTransitions=new Hashtable {
							{ Input.MouseLeave, States.Normal },
							{ Input.MouseDown,  States.Moving }
						}
					}.GenerateTable(),
					Output = (int) Output.TakeCursor
				}
				,
				// moving
				new MooreState {
					Table = new TableGenerator {
						EmptyTransition = (int) States.Moving,
						HashTransitions = new  Hashtable {
							{ Input.MouseUp, States.OverObject }
						}
					}.GenerateTable(),
					Output = (int) Output.MoveCursor
				}
			}
				);
			return moore;
		}
	}
}