/system/cms/libraries/MX/Loader.php
PHP | 390 lines | 219 code | 99 blank | 72 comment | 55 complexity | 52eadf3cfa3961973054d8817538f00c MD5 | raw file
- <?php (defined('BASEPATH')) OR exit('No direct script access allowed');
- /**
- * Modular Extensions - HMVC
- *
- * Adapted from the CodeIgniter Core Classes
- * @link http://codeigniter.com
- *
- * Description:
- * This library extends the CodeIgniter CI_Loader class
- * and adds features allowing use of modules and the HMVC design pattern.
- *
- * Install this file as application/third_party/MX/Loader.php
- *
- * @copyright Copyright (c) 2011 Wiredesignz
- * @version 5.4
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- **/
- class MX_Loader extends CI_Loader
- {
- protected $_module;
- public $_ci_plugins = array();
- public $_ci_cached_vars = array();
- public function __construct() {
- parent::__construct();
- /* set the module name */
- $this->_module = CI::$APP->router->fetch_module();
- /* add this module path to the loader variables */
- $this->_add_module_paths($this->_module);
-
- // Set the addons folder as a package.
- // If SITE_REF isn't defined then they must be
- // running the multi-site manager
- if (defined('SITE_REF'))
- {
- $this->add_package_path(ADDONPATH);
- }
- }
- /** Initialize the module **/
- public function _init($controller) {
- /* references to ci loader variables */
- foreach (get_class_vars('CI_Loader') as $var => $val) {
- if ($var != '_ci_ob_level') $this->$var =& CI::$APP->load->$var;
- }
- /* set a reference to the module controller */
- $this->controller = $controller;
- $this->__construct();
- }
- /** Add a module path loader variables **/
- public function _add_module_paths($module = '') {
- if (empty($module)) return;
- foreach (Modules::$locations as $location => $offset) {
- /* only add a module path if it exists */
- if (is_dir($module_path = $location.$module.'/')) {
- array_unshift($this->_ci_model_paths, $module_path);
- }
- }
- }
- /** Load a module config file **/
- public function config($file = 'config', $use_sections = FALSE, $fail_gracefully = FALSE) {
- return CI::$APP->config->load($file, $use_sections, $fail_gracefully, $this->_module);
- }
- /** Load the database drivers **/
- public function database($params = '', $return = FALSE, $active_record = NULL) {
- if (class_exists('CI_DB', FALSE) AND $return == FALSE AND $active_record == NULL AND isset(CI::$APP->db) AND is_object(CI::$APP->db))
- return;
- require_once BASEPATH.'database/DB'.EXT;
- if ($return === TRUE) return DB($params, $active_record);
- CI::$APP->db = DB($params, $active_record);
- return CI::$APP->db;
- }
- /** Load a module helper **/
- public function helper($helper) {
- if (is_array($helper)) return $this->helpers($helper);
- if (isset($this->_ci_helpers[$helper])) return;
- list($path, $_helper) = Modules::find($helper.'_helper', $this->_module, 'helpers/');
- if ($path === FALSE) return parent::helper($helper);
- Modules::load_file($_helper, $path);
- $this->_ci_helpers[$_helper] = TRUE;
- }
- /** Load an array of helpers **/
- public function helpers($helpers) {
- foreach ($helpers as $_helper) $this->helper($_helper);
- }
- /** Load a module language file **/
- public function language($langfile, $idiom = '', $return = FALSE, $add_suffix = TRUE, $alt_path = '') {
- return CI::$APP->lang->load($langfile, $idiom, $return, $add_suffix, $alt_path, $this->_module);
- }
- public function languages($languages) {
- foreach ($languages as $language) $this->language($language);
- }
- /** Load a module library **/
- public function library($library, $params = NULL, $object_name = NULL) {
- if (is_array($library)) return $this->libraries($library);
- $class = strtolower(end(explode('/', $library)));
- if (isset($this->_ci_classes[$class]) AND $_alias = $this->_ci_classes[$class])
- return CI::$APP->$_alias;
- ($_alias = strtolower($object_name)) OR $_alias = $class;
- list($path, $_library) = Modules::find($library, $this->_module, 'libraries/');
- /* load library config file as params */
- if ($params == NULL) {
- list($path2, $file) = Modules::find($_alias, $this->_module, 'config/');
- ($path2) AND $params = Modules::load_file($file, $path2, 'config');
- }
- if ($path === FALSE) {
- $this->_ci_load_class($library, $params, $object_name);
- $_alias = $this->_ci_classes[$class];
- } else {
- Modules::load_file($_library, $path);
- $library = ucfirst($_library);
- CI::$APP->$_alias = new $library($params);
- $this->_ci_classes[$class] = $_alias;
- }
- return CI::$APP->$_alias;
- }
- /** Load an array of libraries **/
- public function libraries($libraries) {
- foreach ($libraries as $_library) $this->library($_library);
- }
- /** Load a module model **/
- public function model($model, $object_name = NULL, $connect = FALSE) {
- if (is_array($model)) return $this->models($model);
- ($_alias = $object_name) OR $_alias = end(explode('/', $model));
- if (in_array($_alias, $this->_ci_models, TRUE))
- return CI::$APP->$_alias;
- /* check module */
- list($path, $_model) = Modules::find(strtolower($model), $this->_module, 'models/');
- if ($path == FALSE) {
- /* check application & packages */
- parent::model($model, $object_name);
- } else {
- class_exists('CI_Model', FALSE) OR load_class('Model', 'core');
- if ($connect !== FALSE AND ! class_exists('CI_DB', FALSE)) {
- if ($connect === TRUE) $connect = '';
- $this->database($connect, FALSE, TRUE);
- }
- Modules::load_file($_model, $path);
- $model = ucfirst($_model);
- CI::$APP->$_alias = new $model();
- $this->_ci_models[] = $_alias;
- }
- return CI::$APP->$_alias;
- }
- /** Load an array of models **/
- public function models($models) {
- foreach ($models as $_model) $this->model($_model);
- }
- /** Load a module controller **/
- public function module($module, $params = NULL) {
- if (is_array($module)) return $this->modules($module);
- $_alias = strtolower(end(explode('/', $module)));
- CI::$APP->$_alias = Modules::load(array($module => $params));
- return CI::$APP->$_alias;
- }
- /** Load an array of controllers **/
- public function modules($modules) {
- foreach ($modules as $_module) $this->module($_module);
- }
- /** Load a module plugin **/
- public function plugin($plugin) {
- if (is_array($plugin)) return $this->plugins($plugin);
- if (isset($this->_ci_plugins[$plugin]))
- return;
- list($path, $_plugin) = Modules::find($plugin.'_pi', $this->_module, 'plugins/');
- if ($path === FALSE) return;
- Modules::load_file($_plugin, $path);
- $this->_ci_plugins[$plugin] = TRUE;
- }
- /** Load an array of plugins **/
- public function plugins($plugins) {
- foreach ($plugins as $_plugin) $this->plugin($_plugin);
- }
- /** Load a module view **/
- public function view($view, $vars = array(), $return = FALSE) {
- list($path, $view) = Modules::find($view, $this->_module, 'views/');
- $this->_ci_view_path = $path;
- return $this->_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return));
- }
- public function _ci_is_instance() {}
- public function _ci_get_component($component) {
- return CI::$APP->$component;
- }
- public function __get($class) {
- return (isset($this->controller)) ? $this->controller->$class : CI::$APP->$class;
- }
- public function _ci_load($_ci_data) {
- foreach (array('_ci_view', '_ci_vars', '_ci_path', '_ci_return') as $_ci_val) {
- $$_ci_val = ( ! isset($_ci_data[$_ci_val])) ? FALSE : $_ci_data[$_ci_val];
- }
- if ($_ci_path == '') {
- $_ci_file = strpos($_ci_view, '.') ? $_ci_view : $_ci_view.EXT;
- $_ci_path = $this->_ci_view_path.$_ci_file;
- } else {
- $_ci_file = end(explode('/', $_ci_path));
- }
- if ( ! file_exists($_ci_path))
- show_error('Unable to load the requested file: '.$_ci_file);
- if (is_array($_ci_vars))
- $this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $_ci_vars);
- extract($this->_ci_cached_vars);
- ob_start();
- if ((bool) @ini_get('short_open_tag') === FALSE AND CI::$APP->config->item('rewrite_short_tags') == TRUE) {
- echo eval('?>'.preg_replace("/;*\s*\?>/", "; ?>", str_replace('<?=', '<?php echo ', file_get_contents($_ci_path))));
- } else {
- include($_ci_path);
- }
- log_message('debug', 'File loaded: '.$_ci_path);
- if ($_ci_return == TRUE) return ob_get_clean();
- if (ob_get_level() > $this->_ci_ob_level + 1) {
- ob_end_flush();
- } else {
- CI::$APP->output->append_output(ob_get_clean());
- }
- }
- /** Autoload module items **/
- public function _autoloader($autoload) {
- $path = FALSE;
- if ($this->_module)
- list($path, $file) = Modules::find('autoload', $this->_module, 'config/');
- /* module autoload file */
- if ($path != FALSE)
- $autoload = array_merge(Modules::load_file($file, $path, 'autoload'), $autoload);
- /* nothing to do */
- if (count($autoload) == 0) return;
- /* autoload package paths */
- if (isset($autoload['packages'])){
- foreach ($autoload['packages'] as $package_path){
- $this->add_package_path($package_path);
- }
- }
- /* autoload config */
- if (isset($autoload['config'])){
- foreach ($autoload['config'] as $config){
- $this->config($config);
- }
- }
- /* autoload helpers, plugins, languages */
- foreach (array('helper', 'plugin', 'language') as $type){
- if (isset($autoload[$type])){
- foreach ($autoload[$type] as $item){
- $this->$type($item);
- }
- }
- }
- /* autoload database & libraries */
- if (isset($autoload['libraries'])){
- if (in_array('database', $autoload['libraries'])){
- /* autoload database */
- if ( ! $db = CI::$APP->config->item('database')){
- $db['params'] = 'default';
- $db['active_record'] = TRUE;
- }
- $this->database($db['params'], FALSE, $db['active_record']);
- $autoload['libraries'] = array_diff($autoload['libraries'], array('database'));
- }
- /* autoload libraries */
- foreach ($autoload['libraries'] as $library){
- $this->library($library);
- }
- }
- /* autoload models */
- if (isset($autoload['model'])){
- foreach ($autoload['model'] as $model => $alias){
- (is_numeric($model)) ? $this->model($alias) : $this->model($model, $alias);
- }
- }
- /* autoload module controllers */
- if (isset($autoload['modules'])){
- foreach ($autoload['modules'] as $controller) {
- ($controller != $this->_module) AND $this->module($controller);
- }
- }
- }
- }
- /** load the CI class for Modular Separation **/
- (class_exists('CI', FALSE)) OR require dirname(__FILE__).'/Ci.php';