/**
 * Copyright (c) 2006 Peter Goodman
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 */

//--------------------------------------------
// A singleton class to deal with the creation
// and use of global variables.
//--------------------------------------------'

class FA.Globals
{
	//--------------------------------------------
	// Static instance of the FAStack class.
	//--------------------------------------------
	
	static public var instance:FA.Stack;
	
	//--------------------------------------------
	// Get or create a static instance of the FAStack
	// class.
	//--------------------------------------------
	
	static public function getStack () : FA.Stack
	{
		if (!FA.Globals.instance)
		{
			FA.Globals.instance = new FA.Stack();
		}
		
		return FA.Globals.instance;
	}
	
	//--------------------------------------------
	// Set a value in the stack.
	//--------------------------------------------
	
	static public function set (key, value) : Void
	{
		var instance:FA.Stack = FA.Globals.getStack();
		instance.push(key, value);
	}
	
	//--------------------------------------------
	// Get a value from the stack.
	//--------------------------------------------
	
	static public function get (key)
	{
		var instance:FA.Stack = FA.Globals.getStack();
		return instance.get(key);
	}
}