public class StateStructure{
	String currentState;
	String input;
	String stateToTransfer;
	String edit;
	String LRaction;
	public StateStructure()
	{
		currentState = "";
		input = "";
		LRaction = "";
		stateToTransfer = "";
		edit = "";
	}
	public StateStructure(String Source)
	{
	//	String temp;
		int tempindex,lastindex = -1;
		for(int i = 0;i<4;i++)
		{
			tempindex = Source.indexOf(",",lastindex+1);
			if(i==0)
				currentState = Source.substring(lastindex+1, tempindex);
			if(i==1)
				input = Source.substring(lastindex+1, tempindex);
			if(i==2)
				stateToTransfer = Source.substring(lastindex+1, tempindex);
			if(i==3)
				edit = Source.substring(lastindex+1, tempindex);
			lastindex = tempindex;
		}
		LRaction = Source.substring(lastindex+1, Source.length());
	}
	public boolean matchState(String input, String state)
	{
		if((this.input.equalsIgnoreCase(input))&&(this.currentState.equalsIgnoreCase(state)))
		{
			return true;
		}
		else return false;
	}
	
	public boolean NextState(String Language, int CurrentIndex, String state)
	{
		if(!this.matchState(Language.substring(CurrentIndex, CurrentIndex+1), state))
			return false;
		state = this.stateToTransfer;
		
		String temp = Language.substring(0, CurrentIndex)+this.edit+Language.substring(CurrentIndex+1, Language.length());
		Language = temp;
		if(this.LRaction=="L")
			CurrentIndex--;
		else
			CurrentIndex++;
		return true;
		
	}
	
	
}