<?php
class Indenter {

  var $count, $step_size;

  // can be activated in php5... but for now unused
  function Indenter() {
    $this->count = 0;    
  }

  // static workaround!
  function indent($str="", $action=NULL) {
    static $count=0;

    // do action if --; this should affect all INCLUDING THIS ONE
    if ($action=="--") $count--;

    // were we passed a string? if so, indent it and echo it.
    if ($str) {
      $spaces = "";
      for ($i=0; $i<$count; $i++) 
	$spaces .= " ";
      return ($spaces . $str);
    }

    // do action if ++; this should affect all LATER
    if ($action=="++") $count++;
  }

  // can be activated in php5... but for now unused
  function setStepSize($step_size) {
    $this->step_size = round($step_size);
  }

  // can be activated in php5... but for now unused
  function increase($step_size = 1) {
    $this->count += $step_size;
  }

  // can be activated in php5... but for now unused
  function decrease($step_size = 1) {
    $this->count -= $step_size;
  }

  // can be activated in php5... but for now unused
  function indentTEMP($str, $flag=NEWLINE_PREFIX) {
    $spaces = "";
    for ($i=0; $i<$this->count; $i++) 
      $spaces .= " ";

    switch ($flag) {
    case NEWLINE_PREFIX:
      $str = "\n".$str;
    break;
    case NEWLINE_POSTFIX:
      $str = $str ."\n";
    break;
    }

    return $spaces . $str;
  }
}
?>