CRM/Utils/Hook/DrupalBase.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.5                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2014                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26 */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2014
  32  * $Id$
  33  *
  34  */
  35 class CRM_Utils_Hook_DrupalBase extends CRM_Utils_Hook {
  36
  37   /**
  38    * @var bool
  39    */
  40   private $isBuilt = FALSE;
  41
  42   /**
  43    * @var array(string)
  44    */
  45   private $allModules = NULL;
  46
  47   /**
  48    * @var array(string)
  49    */
  50   private $civiModules = NULL;
  51
  52   /**
  53    * @var array(string)
  54    */
  55   private $drupalModules = NULL;
  56
  57   /**
  58    *
  59    *@see CRM_Utils_Hook::invoke()
  60    *@param integer $numParams Number of parameters to pass to the hook
  61    *@param unknown $arg1 parameter to be passed to the hook
  62    *@param unknown $arg2 parameter to be passed to the hook
  63    *@param unknown $arg3 parameter to be passed to the hook
  64    *@param unknown $arg4 parameter to be passed to the hook
  65    *@param unknown $arg5 parameter to be passed to the hook
  66    *@param string $fnSuffix function suffix, this is effectively the hook name
  67    *@return Ambigous <boolean, multitype:>
  68    *
  69    */
  70   function invoke($numParams,
  71     &$arg1, &$arg2, &$arg3, &$arg4, &$arg5, &$arg6,
  72     $fnSuffix) {
  73
  74     $this->buildModuleList();
  75
  76     return $this->runHooks($this->allModules, $fnSuffix,
  77       $numParams, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6
  78     );
  79   }
  80
  81   /**
  82    * Build the list of modules to be processed for hooks.
  83    */
  84   function buildModuleList() {
  85     if ($this->isBuilt === FALSE) {
  86       if ($this->drupalModules === NULL) {
  87         if (function_exists('module_list')) {
  88           // copied from user_module_invoke
  89           $this->drupalModules = module_list();
  90         }
  91       }
  92
  93       if ($this->civiModules === NULL) {
  94         $this->civiModules = array();
  95         $this->requireCiviModules($this->civiModules);
  96       }
  97
  98       $this->allModules = array_merge((array)$this->drupalModules, (array)$this->civiModules);
  99       if ($this->drupalModules !== NULL && $this->civiModules !== NULL) {
 100         // both CRM and CMS have bootstrapped, so this is the final list
 101         $this->isBuilt = TRUE;
 102       }
 103     }
 104   }
 105 }