phpBB/includes/libraries/ezcomponents/loader.php

   1 <?php
   2 /**
   3 *
   4 * @package ezcomponents
   5 * @version $Id$
   6 * @copyright (c) 2005 phpBB Group
   7 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
   8 *
   9 */
  10
  11 /**
  12 * @ignore
  13 */
  14 if (!defined('IN_PHPBB'))
  15 {
  16         exit;
  17 }
  18
  19 /**
  20 * eZ components class loader
  21 * Replaces the autoload mechanism eZ Components normally use
  22 * @package ezcomponents
  23 */
  24 class phpbb_ezcomponents_loader
  25 {
  26         var $loaded;
  27
  28         /**
  29         * Constructor which makes sure the PHP version requirement is met.
  30         */
  31         function phpbb_ezcomponents_loader()
  32         {
  33                 $this->loaded = array();
  34                 if (version_compare(PHP_VERSION, '5.2.1', '<'))
  35                 {
  36                         trigger_error('PHP >= 5.2.1 required', E_USER_ERROR);
  37                 }
  38         }
  39
  40         /**
  41         * Loads all classes of a particular component.
  42         * The base component is always loaded first.
  43         *
  44         * @param        $component      string  Lower case component name
  45         */
  46         function load_component($component)
  47         {
  48                 global $phpbb_root_path;
  49
  50                 // don't allow loading the same component twice
  51                 if (isset($this->loaded[$component]) && $this->loaded[$component])
  52                 {
  53                         return;
  54                 }
  55
  56                 // make sure base is always loaded first
  57                 if ($component != 'base' && !isset($this->loaded['base']))
  58                 {
  59                         $this->load_component('base');
  60                 }
  61
  62                 $ezc_path = $phpbb_root_path . 'includes/ezcomponents/';
  63
  64                 // retrieve the autoload list
  65                 $classes = include($ezc_path . ucfirst($component) . '/' . $component . '_autoload.php');
  66
  67                 // include all files related to this component
  68                 foreach ($classes as $class => $path)
  69                 {
  70                         include($ezc_path . $path);
  71                 }
  72         }
  73 }