/app/class/AutoLoad.php

<?php

/**
 * Pos-Tracker
 *
 * AutoLoad.php - Contains AutoLoad class. Modified from yapeal.
 *
 * PHP version 5
 *
 * LICENSE: This file is part of POS-Tracker.
 * POS-Tracker is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 * POS-Tracker 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 more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with POS-Tracker.  If not, see <http://www.gnu.org/licenses/>.
 *

 * @author     Stephen Gulickk <stephenmg12@gmail.com>
 * @author     Michael Cummings <mgcummings@yahoo.com>
 * @copyright  2007-2011 (C)  Stephen Gulick and Michael Cummings
 * @license    http://www.gnu.org/licenses/gpl-3.0.html GPL 3.0
 * @package    POS-Tracker
 * @version    SVN: $Id$
 * @link       http://code.google.com/p/pos-tracker/
 * @link       http://code.google.com/p/yapeal/
 * @link       http://www.eveonline.com/
 */
/**
 * @internal Allow viewing of the source code in web browser.
 */
if (isset($_REQUEST['viewSource'])) {
  highlight_file(__FILE__);
  exit();
};
/**
 * @internal Only let this code be included or required not ran directly.
 */
if (basename(__FILE__) == basename($_SERVER['SCRIPT_NAME'])) {
  exit();
};
// Need to require one last class before autoloader can take over.
require_once EVEHR_CLASS . 'FilterFileFinder.php';
/**
 * Class used to manage auto loading of other classes/interfaces.
 *
 * @package Yapeal
 * @subpackage Autoload
 */
class EVEHRAutoLoad {
  /**
   * @var object
   */
  protected static $instance;
  /**
   * @var array
   */
  private static $dirList;
  /**
   * @var array
   */
  private static $suffixList;
  /**
   * Only way to make instance is through {@link getInstance() getInstance()}.
   */
  private function __construct() {
    self::$dirList = array(EVEHR_CLASS, EVEHR_EXT, EVEHR_CON);
    self::$suffixList = array('.php', '.class.php', '.inc.php', '.class', '.inc');
  }
  /**
   * No backdoor through cloning either.
   */
  private function __clone() {}
  /**
   * Used to get an instance of the class.
   *
   * @return YapealAutoLoad Returns an instance of the class.
   */
  public static function getInstance() {
    if (!(self::$instance instanceof self)) {
      self::$instance = new self();
    };
    return self::$instance;
  }
  /**
   * Searches through the common class directory locations for the file
   * containing the class/interface we need.
   *
   * @param string $className Class name to be loaded.
   *
   * @return bool TRUE if class/interface is found.
   */
  public static function autoLoad($className) {
    self::getInstance();
    //Dwoo Autoloader code
    if (substr($className, 0, 5) === 'Dwoo_') {
	    include_once EVEHR_DWOO.strtr($className, '_', DIRECTORY_SEPARATOR).'.php';
	    //See if we have the class now
        if (class_exists($className, FALSE) ||
              interface_exists($className, FALSE)) {
              // Yes, we're done.
              return TRUE;
        }
	}        
    foreach (self::$dirList as $dir) {
      $files = new evehrFilterFileFinder($dir, $className, evehrFilterFileFinder::CONTAINS);
      foreach ($files as $name => $object) {
        $bn = basename($name);
        foreach (self::$suffixList as $suffix) {
          if ($bn == $className . $suffix ||
            $bn == strtolower($className) . $suffix ||
            $bn == 'I' . $className . $suffix ||
            $bn == 'class.' . $className . $suffix ||
            $bn == 'I' . strtolower($className) . $suffix) {
            include_once($name);
            // Does the class/interface requested actually exist now?
            if (class_exists($className, FALSE) ||
              interface_exists($className, FALSE)) {
              // Yes, we're done.
              return TRUE;
            };// if class_exists...
          };// if basename...
        };// foreach self::$suffixList ...
      };// foreach $files ...
    };// foreach self::$dirList ...
    return FALSE;
  }
  /**
   * Add an extension to the list used for class/interface names.
   *
   * @param string $ext The extension to be added to list.
   *
   * @return bool TRUE if extension was already in the list.
   */
  static public function addExtension($ext) {
    self::getInstance();
    if (!in_array($ext, self::$suffixList)) {
      self::$suffixList[] = $ext;
      return FALSE;
    };
    return TRUE;
  }
  /**
   * Add a directory to the list to be searched in for class/interface files.
   *
   * @param string $dir The directory to be added to list.
   *
   * @return bool TRUE if directory was already in the list.
   */
  static public function addPath($dir) {
    self::getInstance();
    if (!in_array($dir, self::$dirList)) {
      self::$dirList[] = $dir;
      return FALSE;
    };
    return TRUE;
  }
}
// Now activate the YapealAutoLoad autoloader.
if (FALSE == spl_autoload_functions()) {
  spl_autoload_register(array('EVEHRAutoLoad', 'autoLoad'));
  if (function_exists('__autoload')) {
    spl_autoload_register('__autoload', FALSE);
  };
} else {
  // Prepend if other autoloaders already exist.
  spl_autoload_register(array('EVEHRAutoLoad', 'autoLoad'), FALSE, TRUE);
};// else FALSE == spl_autoload_functions() ...
require_once EVEHR_DWOO.'Dwoo.php';
?>