<?php

/**
 * NAME.php
 * 
 * PHP versions 5
 *
 * @author     Takashi Mizohata
 * @copyright  2007
 * @license    
 */

class FSVisitor implements Visitor
{

  private $currentDir = '';

  public function visit (FSElement $fse)
  {
    switch (true)
    {
      case ($fse instanceof File):
        echo $this->currentDir . "/" . $fse->getName() . "\n";
        break;

      case ($fse instanceof MyDirectory):
        echo $this->currentDir . "/" . $fse->getName() . "\n";
        $saveDir = $this->currentDir;
        $this->currentDir = $this->currentDir . "/" . $fse->getName();

        $children = $fse->getChildren();
        foreach ($children as $entry)
        {
          $entry->accept($this);
        }
        $this->currentDir = $saveDir;
        break;

      default:
        throw new Exception("Not yet implemented yet here: " . var_export($fse, true));
        break;
    }
  }

}