STRINGTOKENIZER - IMPLÉMENTATION DE LA CLASSE JAVA EN PHP

class StringTokenizer
{
  /* private */ var $tokens;
  /* private */ var $string;
  /* private */ var $separators = " \t\r\n~{}[]()-|_/\!:;.,?";
  /* private */ var $hasNext;

  /* public */ function StringTokenizer($string = "")
  {
    $this->setString($string);
  }

  /* public */ function setSeparators($new_separators)
  {
    $this->separators = $new_separators;
    $this->setString($this->string);
  }

  /* public */ function getSeparators()
  {
    return $this->separators;
  }

  /* public */ function setString($string)
  {
    // on remplace tous les séparateurs par \0
    // puis on explose selon \0
    $separators = $this->separators;
    for ($i=0; $i<strlen($separators); $string = str_replace($separators[$i++], "\0", $string));
    $this->string = $string;
    $this->tokens = explode("\0", $string);
    $this->reset();
  }

  /* public */ function getString()
  {
    return $this->string;
  }

  /* public */ function reset()
  {
    reset($this->tokens);
    $this->hasNext = sizeof($this->tokens)>0;
  }

  /* public */ function hasNext()
  {
    return $this->hasNext;
  }

  /* public */ function next()
  {
    $cur = current($this->tokens);
    $this->hasNext = (FALSE!==next($this->tokens));
    return $cur;
  }

}