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July 16, 2009 10:00
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| <?php | |
| /** | |
| * Matchbox Loader class | |
| * | |
| * This file is part of Matchbox | |
| * | |
| * Matchbox is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU Lesser General Public License as published by | |
| * the Free Software Foundation; either version 3 of the License, or | |
| * (at your option) any later version. | |
| * | |
| * Matchbox 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 Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public License | |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| * | |
| * @package Matchbox | |
| * @copyright 2007-2008 Zacharias Knudsen | |
| * @license http://www.gnu.org/licenses/gpl.html | |
| * @version $Id: Loader.php 205 2008-02-24 01:43:55Z [email protected] $ | |
| */ | |
| if (!defined('BASEPATH')) { | |
| exit('No direct script access allowed'); | |
| } | |
| /** | |
| * Replaces the CodeIgniter Loader class | |
| * | |
| * All code not encapsulated in {{{ Matchbox }}} was made by EllisLab | |
| * | |
| * @package Matchbox | |
| * @copyright 2007-2008 Zacharias Knudsen | |
| * @license http://www.gnu.org/licenses/gpl.html | |
| */ | |
| class CI_Loader | |
| { | |
| // {{{ Matchbox | |
| /** | |
| * The Matchbox object | |
| * | |
| * @var object | |
| * @access private | |
| */ | |
| var $_matchbox; | |
| /** | |
| * Loads library from module | |
| * | |
| * @param string | |
| * @param string | |
| * @param mixed | |
| * @return void | |
| * @access public | |
| */ | |
| function module_library($module, $library = '', $params = null) | |
| { | |
| return $this->library($library, $params, $module); | |
| } | |
| /** | |
| * Loads model from module | |
| * | |
| * @param string | |
| * @param string | |
| * @param string | |
| * @param mixed | |
| * @return void | |
| * @access public | |
| */ | |
| function module_model($module, $model, $name = '', $db_conn = false) | |
| { | |
| return $this->model($model, $name, $db_conn, $module); | |
| } | |
| /** | |
| * Loads view from module | |
| * | |
| * @param string | |
| * @param string | |
| * @param array | |
| * @param bool | |
| * @return void | |
| * @access public | |
| */ | |
| function module_view($module, $view, $vars = array(), $return = false) | |
| { | |
| return $this->view($view, $vars, $return, $module); | |
| } | |
| /** | |
| * Loads file from module | |
| * | |
| * @param string | |
| * @param string | |
| * @param bool | |
| * @return void | |
| * @access public | |
| */ | |
| function module_file($module, $path, $return = false) | |
| { | |
| return $this->file($path, $return, $module); | |
| } | |
| /** | |
| * Loads helper from module | |
| * | |
| * @param string | |
| * @param mixed | |
| * @return void | |
| * @access public | |
| */ | |
| function module_helper($module, $helpers = array()) | |
| { | |
| return $this->helper($helpers, $module); | |
| } | |
| /** | |
| * Loads plugin from module | |
| * | |
| * @param string | |
| * @param mixed | |
| * @return void | |
| * @access public | |
| */ | |
| function module_plugin($module, $plugins = array()) | |
| { | |
| return $this->plugin($plugins, $module); | |
| } | |
| /** | |
| * Loads script from module | |
| * | |
| * @param string | |
| * @param mixed | |
| * @return void | |
| * @access public | |
| */ | |
| function module_script($module, $scripts = array()) | |
| { | |
| return $this->script($scripts, $module); | |
| } | |
| /** | |
| * Loads language file from module | |
| * | |
| * @param string | |
| * @param mixed | |
| * @param string | |
| * @return void | |
| * @access public | |
| */ | |
| function module_language($module, $file = array(), $lang = '') | |
| { | |
| return $this->language($file, $lang, $module); | |
| } | |
| /** | |
| * Loads config file from module | |
| * | |
| * @param string | |
| * @param string | |
| * @param bool | |
| * @param bool | |
| * @return void | |
| * @access public | |
| */ | |
| function module_config($module, $file = '', $use_sections = false, $fail_gracefully = false) | |
| { | |
| return $this->config($file, $use_sections, $fail_gracefully, $module); | |
| } | |
| //}}} | |
| // All these are set automatically. Don't mess with them. | |
| var $_ci_ob_level; | |
| var $_ci_view_path = ''; | |
| var $_ci_is_php5 = FALSE; | |
| var $_ci_is_instance = FALSE; // Whether we should use $this or $CI =& get_instance() | |
| var $_ci_cached_vars = array(); | |
| var $_ci_classes = array(); | |
| var $_ci_models = array(); | |
| var $_ci_helpers = array(); | |
| var $_ci_plugins = array(); | |
| var $_ci_scripts = array(); | |
| var $_ci_varmap = array('unit_test' => 'unit', 'user_agent' => 'agent'); | |
| /** | |
| * Constructor | |
| * | |
| * Sets the path to the view files and gets the initial output buffering level | |
| * | |
| * @access public | |
| */ | |
| function CI_Loader() | |
| { | |
| // {{{ Matchbox | |
| $this->_matchbox = &load_class('Matchbox'); | |
| // }}} | |
| $this->_ci_is_php5 = (floor(phpversion()) >= 5) ? TRUE : FALSE; | |
| $this->_ci_view_path = APPPATH.'views/'; | |
| $this->_ci_ob_level = ob_get_level(); | |
| log_message('debug', "Loader Class Initialized"); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Class Loader | |
| * | |
| * This function lets users load and instantiate classes. | |
| * It is designed to be called from a user's app controllers. | |
| * | |
| * @access public | |
| * @param string the name of the class | |
| * @param mixed the optional parameters | |
| * @return void | |
| */ | |
| function library($library = '', $params = NULL) | |
| { | |
| if ($library == '') | |
| { | |
| return FALSE; | |
| } | |
| // {{{ Matchbox | |
| $module = $this->_matchbox->argument(2); | |
| if (is_array($library)) { | |
| foreach ($library as $class) { | |
| $this->_ci_load_class($class, $params, $module); | |
| } | |
| } else { | |
| $this->_ci_load_class($library, $params, $module); | |
| } | |
| // }}} | |
| $this->_ci_assign_to_models(); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Model Loader | |
| * | |
| * This function lets users load and instantiate models. | |
| * | |
| * @access public | |
| * @param string the name of the class | |
| * @param mixed any initialization parameters | |
| * @return void | |
| */ | |
| function model($model, $name = '', $db_conn = FALSE) | |
| { | |
| if (is_array($model)) | |
| { | |
| foreach($model as $babe) | |
| { | |
| $this->model($babe); | |
| } | |
| return; | |
| } | |
| if ($model == '') | |
| { | |
| return; | |
| } | |
| // Is the model in a sub-folder? If so, parse out the filename and path. | |
| if (strpos($model, '/') === FALSE) | |
| { | |
| $path = ''; | |
| } | |
| else | |
| { | |
| $x = explode('/', $model); | |
| $model = end($x); | |
| unset($x[count($x)-1]); | |
| $path = implode('/', $x).'/'; | |
| } | |
| if ($name == '') | |
| { | |
| $name = $model; | |
| } | |
| if (in_array($name, $this->_ci_models, TRUE)) | |
| { | |
| return; | |
| } | |
| $CI =& get_instance(); | |
| if (isset($CI->$name)) | |
| { | |
| show_error('The model name you are loading is the name of a resource that is already being used: '.$name); | |
| } | |
| $model = strtolower($model); | |
| // {{{ Matchbox | |
| $module = $this->_matchbox->argument(3); | |
| if (!$filepath = $this->_matchbox->find('models/' . $path . $model . EXT, $module)) { | |
| show_error('Unable to locate the model you have specified: ' . $model); | |
| } | |
| // }}} | |
| if ($db_conn !== FALSE AND ! class_exists('CI_DB')) | |
| { | |
| if ($db_conn === TRUE) | |
| $db_conn = ''; | |
| $CI->load->database($db_conn, FALSE, TRUE); | |
| } | |
| if ( ! class_exists('Model')) | |
| { | |
| load_class('Model', FALSE); | |
| } | |
| // {{{ Matchbox | |
| require_once($filepath); | |
| // }}} | |
| $model = ucfirst($model); | |
| $CI->$name = new $model(); | |
| $CI->$name->_assign_libraries(); | |
| $this->_ci_models[] = $name; | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Database Loader | |
| * | |
| * @access public | |
| * @param string the DB credentials | |
| * @param bool whether to return the DB object | |
| * @param bool whether to enable active record (this allows us to override the config setting) | |
| * @return object | |
| */ | |
| function database($params = '', $return = FALSE, $active_record = FALSE) | |
| { | |
| // Grab the super object | |
| $CI =& get_instance(); | |
| // Do we even need to load the database class? | |
| if (class_exists('CI_DB') AND $return == FALSE AND $active_record == FALSE AND isset($CI->db) AND is_object($CI->db)) | |
| { | |
| return FALSE; | |
| } | |
| require_once(BASEPATH.'database/DB'.EXT); | |
| if ($return === TRUE) | |
| { | |
| return DB($params, $active_record); | |
| } | |
| // Initialize the db variable. Needed to prevent | |
| // reference errors with some configurations | |
| $CI->db = ''; | |
| // Load the DB class | |
| $CI->db =& DB($params, $active_record); | |
| // Assign the DB object to any existing models | |
| $this->_ci_assign_to_models(); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Load the Utilities Class | |
| * | |
| * @access public | |
| * @return string | |
| */ | |
| function dbutil() | |
| { | |
| if ( ! class_exists('CI_DB')) | |
| { | |
| $this->database(); | |
| } | |
| $CI =& get_instance(); | |
| // for backwards compatibility, load dbforge so we can extend dbutils off it | |
| // this use is deprecated and strongly discouraged | |
| $CI->load->dbforge(); | |
| require_once(BASEPATH.'database/DB_utility'.EXT); | |
| require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_utility'.EXT); | |
| $class = 'CI_DB_'.$CI->db->dbdriver.'_utility'; | |
| $CI->dbutil =& new $class(); | |
| $CI->load->_ci_assign_to_models(); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Load the Database Forge Class | |
| * | |
| * @access public | |
| * @return string | |
| */ | |
| function dbforge() | |
| { | |
| if ( ! class_exists('CI_DB')) | |
| { | |
| $this->database(); | |
| } | |
| $CI =& get_instance(); | |
| require_once(BASEPATH.'database/DB_forge'.EXT); | |
| require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_forge'.EXT); | |
| $class = 'CI_DB_'.$CI->db->dbdriver.'_forge'; | |
| $CI->dbforge = new $class(); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Load View | |
| * | |
| * This function is used to load a "view" file. It has three parameters: | |
| * | |
| * 1. The name of the "view" file to be included. | |
| * 2. An associative array of data to be extracted for use in the view. | |
| * 3. TRUE/FALSE - whether to return the data or load it. In | |
| * some cases it's advantageous to be able to return data so that | |
| * a developer can process it in some way. | |
| * | |
| * @access public | |
| * @param string | |
| * @param array | |
| * @param bool | |
| * @return void | |
| */ | |
| function view($view, $vars = array(), $return = FALSE) | |
| { | |
| // {{{ Matchbox | |
| $module = $this->_matchbox->argument(3); | |
| return $this->_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return), $module); | |
| // }}} | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Load File | |
| * | |
| * This is a generic file loader | |
| * | |
| * @access public | |
| * @param string | |
| * @param bool | |
| * @return string | |
| */ | |
| function file($path, $return = FALSE) | |
| { | |
| // {{{ Matchbox | |
| $module = $this->_matchbox->argument(2); | |
| return $this->_ci_load(array('_ci_path' => $path, '_ci_return' => $return), $module); | |
| // }}} | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Set Variables | |
| * | |
| * Once variables are set they become available within | |
| * the controller class and its "view" files. | |
| * | |
| * @access public | |
| * @param array | |
| * @return void | |
| */ | |
| function vars($vars = array()) | |
| { | |
| $vars = $this->_ci_object_to_array($vars); | |
| if (is_array($vars) AND count($vars) > 0) | |
| { | |
| foreach ($vars as $key => $val) | |
| { | |
| $this->_ci_cached_vars[$key] = $val; | |
| } | |
| } | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Load Helper | |
| * | |
| * This function loads the specified helper file. | |
| * | |
| * @access public | |
| * @param mixed | |
| * @return void | |
| */ | |
| function helper($helpers = array()) | |
| { | |
| if ( ! is_array($helpers)) | |
| { | |
| $helpers = array($helpers); | |
| } | |
| foreach ($helpers as $helper) | |
| { | |
| $helper = strtolower(str_replace(EXT, '', str_replace('_helper', '', $helper)).'_helper'); | |
| if (isset($this->_ci_helpers[$helper])) | |
| { | |
| continue; | |
| } | |
| // {{{ Matchbox | |
| $module = $this->_matchbox->argument(1); | |
| if ($ext_helper = $this->_matchbox->find('helpers/' . config_item('subclass_prefix') . $helper . EXT, $module)) { | |
| $base_helper = BASEPATH . 'helpers/' . $helper . EXT; | |
| if (!file_exists($base_helper)) { | |
| show_error('Unable to load the requested file: helpers/' . $helper . EXT); | |
| } | |
| include_once($ext_helper); | |
| include_once($base_helper); | |
| } elseif ($filepath = $this->_matchbox->find('helpers/' . $helper . EXT, $module, 2)) { | |
| include($filepath); | |
| } else { | |
| show_error('Unable to load the requested file: helpers/' . $helper . EXT); | |
| } | |
| // }}} | |
| $this->_ci_helpers[$helper] = TRUE; | |
| } | |
| log_message('debug', 'Helpers loaded: '.implode(', ', $helpers)); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Load Helpers | |
| * | |
| * This is simply an alias to the above function in case the | |
| * user has written the plural form of this function. | |
| * | |
| * @access public | |
| * @param array | |
| * @return void | |
| */ | |
| function helpers($helpers = array()) | |
| { | |
| $this->helper($helpers); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Load Plugin | |
| * | |
| * This function loads the specified plugin. | |
| * | |
| * @access public | |
| * @param array | |
| * @return void | |
| */ | |
| function plugin($plugins = array()) | |
| { | |
| if ( ! is_array($plugins)) | |
| { | |
| $plugins = array($plugins); | |
| } | |
| foreach ($plugins as $plugin) | |
| { | |
| $plugin = strtolower(str_replace(EXT, '', str_replace('_pi', '', $plugin)).'_pi'); | |
| if (isset($this->_ci_plugins[$plugin])) | |
| { | |
| continue; | |
| } | |
| // {{{ Matchbox | |
| $module = $this->_matchbox->argument(1); | |
| if (!$filepath = $this->_matchbox->find('plugins/' . $plugin . EXT, $module, 2)) { | |
| show_error('Unable to load the requested file: plugins/' . $plugin . EXT); | |
| } | |
| include($filepath); | |
| // }}} | |
| $this->_ci_plugins[$plugin] = TRUE; | |
| } | |
| log_message('debug', 'Plugins loaded: '.implode(', ', $plugins)); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Load Plugins | |
| * | |
| * This is simply an alias to the above function in case the | |
| * user has written the plural form of this function. | |
| * | |
| * @access public | |
| * @param array | |
| * @return void | |
| */ | |
| function plugins($plugins = array()) | |
| { | |
| $this->plugin($plugins); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Load Script | |
| * | |
| * This function loads the specified include file from the | |
| * application/scripts/ folder. | |
| * | |
| * NOTE: This feature has been deprecated but it will remain available | |
| * for legacy users. | |
| * | |
| * @access public | |
| * @param array | |
| * @return void | |
| */ | |
| function script($scripts = array()) | |
| { | |
| if ( ! is_array($scripts)) | |
| { | |
| $scripts = array($scripts); | |
| } | |
| foreach ($scripts as $script) | |
| { | |
| $script = strtolower(str_replace(EXT, '', $script)); | |
| if (isset($this->_ci_scripts[$script])) | |
| { | |
| continue; | |
| } | |
| // {{{ Matchbox | |
| $module = $this->_matchbox->argument(1); | |
| if (!$filepath = $this->_matchbox->find('scripts/' . $script . EXT, $module, 2)) { | |
| show_error('Unable to load the requested script: scripts/' . $script . EXT); | |
| } | |
| include($filepath); | |
| // }}} | |
| } | |
| log_message('debug', 'Scripts loaded: '.implode(', ', $scripts)); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Loads a language file | |
| * | |
| * @access public | |
| * @param array | |
| * @param string | |
| * @return void | |
| */ | |
| function language($file = array(), $lang = '') | |
| { | |
| $CI =& get_instance(); | |
| if ( ! is_array($file)) | |
| { | |
| $file = array($file); | |
| } | |
| foreach ($file as $langfile) | |
| { | |
| // {{{ Matchbox | |
| $module = $this->_matchbox->argument(2); | |
| $CI->lang->load($langfile, $lang, false, $module); | |
| // }}} | |
| } | |
| } | |
| /** | |
| * Loads language files for scaffolding | |
| * | |
| * @access public | |
| * @param string | |
| * @return arra | |
| */ | |
| function scaffold_language($file = '', $lang = '', $return = FALSE) | |
| { | |
| $CI =& get_instance(); | |
| return $CI->lang->load($file, $lang, $return); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Loads a config file | |
| * | |
| * @access public | |
| * @param string | |
| * @return void | |
| */ | |
| function config($file = '', $use_sections = FALSE, $fail_gracefully = FALSE) | |
| { | |
| $CI =& get_instance(); | |
| // {{{ Matchbox | |
| $module = $this->_matchbox->argument(3); | |
| $CI->config->load($file, $use_sections, $fail_gracefully, $module); | |
| // }}} | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Scaffolding Loader | |
| * | |
| * This initializing function works a bit different than the | |
| * others. It doesn't load the class. Instead, it simply | |
| * sets a flag indicating that scaffolding is allowed to be | |
| * used. The actual scaffolding function below is | |
| * called by the front controller based on whether the | |
| * second segment of the URL matches the "secret" scaffolding | |
| * word stored in the application/config/routes.php | |
| * | |
| * @access public | |
| * @param string | |
| * @return void | |
| */ | |
| function scaffolding($table = '') | |
| { | |
| if ($table === FALSE) | |
| { | |
| show_error('You must include the name of the table you would like to access when you initialize scaffolding'); | |
| } | |
| $CI =& get_instance(); | |
| $CI->_ci_scaffolding = TRUE; | |
| $CI->_ci_scaff_table = $table; | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Loader | |
| * | |
| * This function is used to load views and files. | |
| * Variables are prefixed with _ci_ to avoid symbol collision with | |
| * variables made available to view files | |
| * | |
| * @access private | |
| * @param array | |
| * @return void | |
| */ | |
| function _ci_load($_ci_data) | |
| { | |
| // Set the default data variables | |
| 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]; | |
| } | |
| // Set the path to the requested file | |
| // {{{ Matchbox | |
| if ($_ci_path == '') | |
| { | |
| $_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION); | |
| $_ci_file = ($_ci_ext == '') ? $_ci_view . EXT : $_ci_view; | |
| $_ci_path = str_replace(APPPATH, '', $this->_ci_view_path) . $_ci_file; | |
| $search = 1; | |
| } | |
| else | |
| { | |
| $_ci_x = explode('/', $_ci_path); | |
| $_ci_file = end($_ci_x); | |
| $search = 3; | |
| } | |
| $module = $this->_matchbox->argument(1); | |
| if (!$_ci_path = $this->_matchbox->find($_ci_path, $module, $search)) { | |
| show_error('Unable to load the requested file: ' . $_ci_file); | |
| } | |
| // }}} | |
| // This allows anything loaded using $this->load (views, files, etc.) | |
| // to become accessible from within the Controller and Model functions. | |
| // Only needed when running PHP 5 | |
| if ($this->_ci_is_instance()) | |
| { | |
| $_ci_CI =& get_instance(); | |
| foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var) | |
| { | |
| if ( ! isset($this->$_ci_key)) | |
| { | |
| $this->$_ci_key =& $_ci_CI->$_ci_key; | |
| } | |
| } | |
| } | |
| /* | |
| * Extract and cache variables | |
| * | |
| * You can either set variables using the dedicated $this->load_vars() | |
| * function or via the second parameter of this function. We'll merge | |
| * the two types and cache them so that views that are embedded within | |
| * other views can have access to these variables. | |
| */ | |
| if (is_array($_ci_vars)) | |
| { | |
| $this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $_ci_vars); | |
| } | |
| extract($this->_ci_cached_vars); | |
| /* | |
| * Buffer the output | |
| * | |
| * We buffer the output for two reasons: | |
| * 1. Speed. You get a significant speed boost. | |
| * 2. So that the final rendered template can be | |
| * post-processed by the output class. Why do we | |
| * need post processing? For one thing, in order to | |
| * show the elapsed page load time. Unless we | |
| * can intercept the content right before it's sent to | |
| * the browser and then stop the timer it won't be accurate. | |
| */ | |
| ob_start(); | |
| // If the PHP installation does not support short tags we'll | |
| // do a little string replacement, changing the short tags | |
| // to standard PHP echo statements. | |
| if ((bool) @ini_get('short_open_tag') === FALSE AND config_item('rewrite_short_tags') == TRUE) | |
| { | |
| echo eval('?>'.preg_replace("/;*\s*\?>/", "; ?>", str_replace('<?=', '<?php echo ', file_get_contents($_ci_path))).'<?php '); | |
| } | |
| else | |
| { | |
| include($_ci_path); | |
| } | |
| log_message('debug', 'File loaded: '.$_ci_path); | |
| // Return the file data if requested | |
| if ($_ci_return === TRUE) | |
| { | |
| $buffer = ob_get_contents(); | |
| @ob_end_clean(); | |
| return $buffer; | |
| } | |
| /* | |
| * Flush the buffer... or buff the flusher? | |
| * | |
| * In order to permit views to be nested within | |
| * other views, we need to flush the content back out whenever | |
| * we are beyond the first level of output buffering so that | |
| * it can be seen and included properly by the first included | |
| * template and any subsequent ones. Oy! | |
| * | |
| */ | |
| if (ob_get_level() > $this->_ci_ob_level + 1) | |
| { | |
| ob_end_flush(); | |
| } | |
| else | |
| { | |
| // PHP 4 requires that we use a global | |
| global $OUT; | |
| @$OUT->append_output(ob_get_contents()); | |
| @ob_end_clean(); | |
| } | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Load class | |
| * | |
| * This function loads the requested class. | |
| * | |
| * @access private | |
| * @param string the item that is being loaded | |
| * @param mixed any additional parameters | |
| * @return void | |
| */ | |
| function _ci_load_class($class, $params = NULL) | |
| { | |
| // Get the class name | |
| $class = str_replace(EXT, '', $class); | |
| // Was the path included with the class name? | |
| // We look for a slash to determine this | |
| $subdir = ''; | |
| if (strpos($class, '/') !== FALSE) | |
| { | |
| // explode the path so we can separate the filename from the path | |
| $x = explode('/', $class); | |
| // Reset the $class variable now that we know the actual filename | |
| $class = end($x); | |
| // Kill the filename from the array | |
| unset($x[count($x)-1]); | |
| // Glue the path back together, sans filename | |
| $subdir = implode($x, '/').'/'; | |
| } | |
| // We'll test for both lowercase and capitalized versions of the file name | |
| foreach (array(ucfirst($class), strtolower($class)) as $class) | |
| { | |
| // {{{ Matchbox | |
| $module = $this->_matchbox->argument(2); | |
| if ($subclass = $this->_matchbox->find('libraries/' . $subdir . config_item('subclass_prefix') . $class . EXT, $module)) { | |
| $baseclass = $this->_matchbox->find('libraries/' . $class . EXT, $module, 2); | |
| // }}} | |
| if ( ! file_exists($baseclass)) | |
| { | |
| log_message('error', "Unable to load the requested class: ".$class); | |
| show_error("Unable to load the requested class: ".$class); | |
| } | |
| // Safety: Was the class already loaded by a previous call? | |
| if (in_array($subclass, $this->_ci_classes)) | |
| { | |
| $is_duplicate = TRUE; | |
| log_message('debug', $class." class already loaded. Second attempt ignored."); | |
| return; | |
| } | |
| include($baseclass); | |
| include($subclass); | |
| $this->_ci_classes[] = $subclass; | |
| // {{{ Matchbox | |
| return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $module); | |
| // }}} | |
| } | |
| // Lets search for the requested library file and load it. | |
| $is_duplicate = FALSE; | |
| // {{{ Matchbox | |
| if ($filepath = $this->_matchbox->find('libraries/' . $subdir . $class . EXT, $module, 2)) { | |
| echo $filepath; | |
| if (in_array($class, $this->_ci_classes)) { | |
| $is_duplicate = true; | |
| log_message('debug', $class . ' class already loaded. Second attempt ignored.'); | |
| return; | |
| } | |
| echo (file_exists($filepath) ? ' - yes' : ' - no').'<br/>'; | |
| include($filepath); | |
| $this->_ci_classes[] = $class; | |
| return $this->_ci_init_class($class, '', $params, $module); | |
| } | |
| // }}} | |
| } // END FOREACH | |
| // One last attempt. Maybe the library is in a subdirectory, but it wasn't specified? | |
| if ($subdir == '') | |
| { | |
| $path = strtolower($class).'/'.$class; | |
| return $this->_ci_load_class($path, $params); | |
| } | |
| // If we got this far we were unable to find the requested class. | |
| // We do not issue errors if the load call failed due to a duplicate request | |
| if ($is_duplicate == FALSE) | |
| { | |
| log_message('error', "Unable to load the requested class: ".$class); | |
| show_error("Unable to load the requested class: ".$class); | |
| } | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Instantiates a class | |
| * | |
| * @access private | |
| * @param string | |
| * @param string | |
| * @return null | |
| */ | |
| function _ci_init_class($class, $prefix = '', $config = FALSE) | |
| { | |
| $class = strtolower($class); | |
| // Is there an associated config file for this class? | |
| // {{{ Matchbox | |
| $module = $this->_matchbox->argument(3); | |
| if ($config === null) { | |
| if ($filepath = $this->_matchbox->find('config/' . $class . EXT, $module)) { | |
| include($filepath); | |
| } | |
| } | |
| // }}} | |
| if ($prefix == '') | |
| { | |
| $name = (class_exists('CI_'.$class)) ? 'CI_'.$class : $class; | |
| } | |
| else | |
| { | |
| $name = $prefix.$class; | |
| } | |
| // Set the variable name we will assign the class to | |
| $classvar = ( ! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class]; | |
| // Instantiate the class | |
| $CI =& get_instance(); | |
| if ($config !== NULL) | |
| { | |
| $CI->$classvar = new $name($config); | |
| } | |
| else | |
| { | |
| $CI->$classvar = new $name; | |
| } | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Autoloader | |
| * | |
| * The config/autoload.php file contains an array that permits sub-systems, | |
| * libraries, plugins, and helpers to be loaded automatically. | |
| * | |
| * @access private | |
| * @param array | |
| * @return void | |
| */ | |
| function _ci_autoloader() | |
| { | |
| // {{{ Matchbox | |
| $ci = &get_instance(); | |
| $ci->matchbox = &load_class('Matchbox'); | |
| //}}} | |
| include(APPPATH.'config/autoload'.EXT); | |
| if ( ! isset($autoload)) | |
| { | |
| return FALSE; | |
| } | |
| // Load any custom config file | |
| if (count($autoload['config']) > 0) | |
| { | |
| // {{{ Matchbox | |
| foreach ($autoload['config'] as $key => $value) { | |
| if (is_string($key)) { | |
| if (is_array($value)) { | |
| foreach ($value as $config) { | |
| $ci->config->module_load($key, $config); | |
| } | |
| } else { | |
| $ci->config->module_load($key, $value); | |
| } | |
| } else { | |
| $ci->config->load($value); | |
| } | |
| } | |
| // }}} | |
| } | |
| // Autoload plugins, helpers, scripts and languages | |
| foreach (array('helper', 'plugin', 'script', 'language') as $type) | |
| { | |
| if (isset($autoload[$type]) AND count($autoload[$type]) > 0) | |
| { | |
| // {{{ Matchbox | |
| foreach ($autoload[$type] as $key => $value) { | |
| if (is_string($key)) { | |
| $this->{'module_' . $type}($key, $value); | |
| } else { | |
| $this->$type($value); | |
| } | |
| } | |
| // }}} | |
| } | |
| } | |
| // A little tweak to remain backward compatible | |
| // The $autoload['core'] item was deprecated | |
| if ( ! isset($autoload['libraries'])) | |
| { | |
| $autoload['libraries'] = $autoload['core']; | |
| } | |
| // Load libraries | |
| if (isset($autoload['libraries']) AND count($autoload['libraries']) > 0) | |
| { | |
| // Load the database driver. | |
| if (in_array('database', $autoload['libraries'])) | |
| { | |
| $this->database(); | |
| $autoload['libraries'] = array_diff($autoload['libraries'], array('database')); | |
| } | |
| // Load scaffolding | |
| if (in_array('scaffolding', $autoload['libraries'])) | |
| { | |
| $this->scaffolding(); | |
| $autoload['libraries'] = array_diff($autoload['libraries'], array('scaffolding')); | |
| } | |
| // {{{ Matchbox | |
| foreach ($autoload['libraries'] as $key => $value) { | |
| if (is_string($key)) { | |
| $this->module_library($key, $value); | |
| } else { | |
| $this->library($value); | |
| } | |
| } | |
| // }}} | |
| } | |
| // {{{ Matchbox | |
| if (isset($autoload['model'])) { | |
| foreach ($autoload['model'] as $key => $value) { | |
| if (is_string($key)) { | |
| $this->module_model($key, $value); | |
| } else { | |
| $this->model($value); | |
| } | |
| } | |
| } | |
| // }}} | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Assign to Models | |
| * | |
| * Makes sure that anything loaded by the loader class (libraries, plugins, etc.) | |
| * will be available to models, if any exist. | |
| * | |
| * @access private | |
| * @param object | |
| * @return array | |
| */ | |
| function _ci_assign_to_models() | |
| { | |
| if (count($this->_ci_models) == 0) | |
| { | |
| return; | |
| } | |
| if ($this->_ci_is_instance()) | |
| { | |
| $CI =& get_instance(); | |
| foreach ($this->_ci_models as $model) | |
| { | |
| $CI->$model->_assign_libraries(); | |
| } | |
| } | |
| else | |
| { | |
| foreach ($this->_ci_models as $model) | |
| { | |
| $this->$model->_assign_libraries(); | |
| } | |
| } | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Object to Array | |
| * | |
| * Takes an object as input and converts the class variables to array key/vals | |
| * | |
| * @access private | |
| * @param object | |
| * @return array | |
| */ | |
| function _ci_object_to_array($object) | |
| { | |
| return (is_object($object)) ? get_object_vars($object) : $object; | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Determines whether we should use the CI instance or $this | |
| * | |
| * @access private | |
| * @return bool | |
| */ | |
| function _ci_is_instance() | |
| { | |
| if ($this->_ci_is_php5 == TRUE) | |
| { | |
| return TRUE; | |
| } | |
| global $CI; | |
| return (is_object($CI)) ? TRUE : FALSE; | |
| } | |
| } | |
| ?> |
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