<?php

/**
 * Statistics gathering for importing procedures.
 */
class sfIsisImporterStats
{
  /**
   * @var $instance Singleton instance
   */
  private static $instance = null;

  /**
   * Get the singleton instance.
   */
  public static function getInstance()
  {
    if(self::$instance == null) {
      self::$instance = new self;
    }

    return self::$instance;
  }

  /**
   * Constructor.
   */ 
  private function __construct()
  {
    $this->stats = array();
  }  

  /**
   * Simple accumulator.
   *
   * @param string $section Section name
   */
  public function increase($section)
  {
    $this->stats[$section]++;
  }

  /**
   * Compute soundex.
   *
   * @param string $name Name
   */
  public function soundex($name) {
    $this->stats['sounded'][soundex($name)] = $name;
  }

  /**
   * Compute metaphone.
   *
   * @param string $name Name
   */
  public function metaphone($name) {
    $this->stats['sounded'][metaphone($name)] = $name;
  }

  /**
   * Compute similar words indexes.
   *
   * @param string $name Name
   */
  public function similar($name) {
    $this->soundex($name);
    $this->metaphone($name);
  }

  /**
   * Display statistics.
   *
   * @todo Write and test
   */
  public function display() {
  }
}