Source for file Program.php

<?php
/**
*  Program class file
*
*  @author         Simon Harris - pointbeing at users.sourceforge.net
*  @package        PHPTuring
*  @version        $Id: Program.php,v 1.3 2005/11/15 10:30:40 pointbeing Exp $
*/
 
/**
*  Program class
*
*  @package        PHPTuring
*/
class Program {
    
 
    /**
    *  @var array 
    */
    private $instructions = array();
    
    
    /**
    *  Adds an Instruction to the Program
    *
    *  @access public
    *  @param Instruction $inst 
    */
    public function addInstruction(Instruction $inst)
    {
        $this->instructions[] = $inst;
    }
 
    
    /**
    *  Returns the Instruction to follow given state and read value
    *
    *  @access public
    *  @param string $state 
    *  @param char $read_val 
    *  @return Instruction 
    */
    public function getInstruction($state, $read_val)
    {
        foreach ($this->instructions as $inst) {
            if ( ($inst->getInitialState() == $state) && ($inst->getPrerequisite() == $read_val) ) {
                return $inst;    
            }
        }    
        return FALSE;
    }    
    
}
 
 
?>