<?php

/*

 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between

 * Copyright (C) 2006-2007 Dan Fuhry

 *

 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied

 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.

 */

class pluginLoader {

  var $hook_list;

  var $load_list;

  var $loaded_plugins;

  var $system_plugins = Array('SpecialUserFuncs.php','SpecialUserPrefs.php','SpecialPageFuncs.php','SpecialAdmin.php','SpecialCSS.php','SpecialUpdownload.php','SpecialSearch.php','PrivateMessages.php','SpecialGroups.php');

  function loadAll() 

  {

    $dir = ENANO_ROOT.'/plugins/';

    $this->load_list = Array();

    $plugins = Array();

    // Open a known directory, and proceed to read its contents

    if (is_dir($dir))

    {

      if ($dh = opendir($dir))

      {

        while (($file = readdir($dh)) !== false)

        {

          if(preg_match('#^(.*?)\.php$#is', $file))

          {

            if(getConfig('plugin_'.$file) == '1' || in_array($file, $this->system_plugins))

            {

              $this->load_list[] = $dir . $file;

              $plugid = substr($file, 0, strlen($file)-4);

              $f = file_get_contents($dir . $file);

              $f = explode("\n", $f);

              $f = array_slice($f, 2, 7);

              $f[0] = substr($f[0], 13);

              $f[1] = substr($f[1], 12);

              $f[2] = substr($f[2], 13);

              $f[3] = substr($f[3], 8 );

              $f[4] = substr($f[4], 9 );

              $f[5] = substr($f[5], 12);

              $plugins[$plugid] = Array();

              $plugins[$plugid]['name'] = $f[0];

              $plugins[$plugid]['uri']  = $f[1];

              $plugins[$plugid]['desc'] = $f[2];

              $plugins[$plugid]['auth'] = $f[3];

              $plugins[$plugid]['vers'] = $f[4];

              $plugins[$plugid]['aweb'] = $f[5];

            }

          }

        }

        closedir($dh);

      }

    }

    $this->loaded_plugins = $plugins;

    //die('<pre>'.htmlspecialchars(print_r($plugins, true)).'</pre>');

  }

  function setHook($name, $opts = Array()) {

    /*

    $r = Array();

    if(isset($this->hook_list[$name])) {

      for($i=0;$i<sizeof($this->hook_list[$name]);$i++) {

        $ret = eval($this->hook_list[$name][$i]);

        if($ret !== null) $r[] = $ret;

      }

    }

    if(sizeof($r) > 0) return $r;

    else return false;

    */

    if(isset($this->hook_list[$name]) && is_array($this->hook_list[$name]))

    {

      return $this->hook_list[$name];

    }

    else

    {

      return Array();

    }

  }

  function attachHook($name, $code) {

    if(!isset($this->hook_list[$name]))

    {

      $this->hook_list[$name] = Array();

    }

    $this->hook_list[$name][] = $code;

  }

  function loaded($plugid)

  {

    return isset( $this->loaded_plugins[$plugid] );

  }

}

?>