<?php
/**
 * Pimf
 *
 * @copyright Copyright (c)  Gjero Krsteski (http://krsteski.de)
 * @license   http://krsteski.de/new-bsd-license New BSD License
 */
namespace Pimf;

use Pimf\Util\String as Str;

/**
 * URI
 *
 * @package Pimf
 * @author  Gjero Krsteski <gjero@krsteski.de>
 */
class Uri
{

  /**
   * The URI for the current request.
   *
   * @var string
   */
  public static $uri;

  /**
   * The URI segments for the current request.
   *
   * @var array
   */
  public static $segments = array();

  /**
   * Get the full URI including the query string.
   *
   * @return string
   */
  public static function full()
  {
    return Registry::get('env')->REQUEST_URI;
  }

  /**
   * Get the URI for the current request.
   *
   * @return string
   */
  public static function current()
  {
    if (!is_null(static::$uri)) {
      return static::$uri;
    }

    //Format a given URI.
    $uri = trim(Registry::get('env')->PATH_INFO, '/') ? : '/';

    //Set the URI segments for the request.
    $segments         = explode('/', trim($uri, '/'));
    static::$segments = array_diff($segments, array(''));

    return static::$uri = $uri;
  }

  /**
   * Determine if the current URI matches a given pattern.
   *
   * @param  string $pattern
   *
   * @return bool
   */
  public static function is($pattern)
  {
    return Str::is($pattern, static::current());
  }
}