<?php/*  $Id: services.php 1498 2007-03-29 14:04:50Z hpdl $  osCommerce, Open Source E-Commerce Solutions  http://www.oscommerce.com  Copyright (c) 2004 osCommerce  This program is free software; you can redistribute it and/or modify  it under the terms of the GNU General Public License v2 (1991)  as published by the Free Software Foundation.*/  class osC_Services {    var $services,        $started_services,        $call_before_page_content = array(),        $call_after_page_content = array();    function osC_Services() {      $this->services = explode(';', MODULE_SERVICES_INSTALLED);    }    function startServices() {      $this->started_services = array();      foreach ($this->services as $service) {        $this->startService($service);      }    }    function stopServices() {/*  ugly workaround to force the output_compression/GZIP service module to be stopped last  to make sure all content in the buffer is compressed and sent to the client*/      if ($this->isStarted('output_compression')) {        $key = array_search('output_compression', $this->started_services);        unset($this->started_services[$key]);        $this->started_services[] = 'output_compression';      }      foreach ($this->started_services as $service) {        $this->stopService($service);      }    }    function startService($service) {      include('includes/modules/services/' . $service . '.php');      if (@call_user_func(array('osC_Services_' . $service, 'start'))) {        $this->started_services[] = $service;      }    }    function stopService($service) {      @call_user_func(array('osC_Services_' . $service, 'stop'));    }    function isStarted($service) {      return in_array($service, $this->started_services);    }    function addCallBeforePageContent($object, $method) {      $this->call_before_page_content[] = array($object, $method);    }    function addCallAfterPageContent($object, $method) {      $this->call_after_page_content[] = array($object, $method);    }    function hasBeforePageContentCalls() {      return !empty($this->call_before_page_content);    }    function hasAfterPageContentCalls() {      return !empty($this->call_after_page_content);    }    function getCallBeforePageContent() {      return $this->call_before_page_content;    }    function getCallAfterPageContent() {      return $this->call_after_page_content;    }  }?>