New file |
0,0 → 1,1088 |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); |
/** |
* CodeIgniter |
* |
* An open source application development framework for PHP 4.3.2 or newer |
* |
* @package CodeIgniter |
* @author ExpressionEngine Dev Team |
* @copyright Copyright (c) 2008, EllisLab, Inc. |
* @license http://codeigniter.com/user_guide/license.html |
* @link http://codeigniter.com |
* @since Version 1.0 |
* @filesource |
*/ |
|
// ------------------------------------------------------------------------ |
|
/** |
* Loader Class |
* |
* Loads views and files |
* |
* @package CodeIgniter |
* @subpackage Libraries |
* @author ExpressionEngine Dev Team |
* @category Loader |
* @link http://codeigniter.com/user_guide/libraries/loader.html |
*/ |
class CI_Loader { |
|
// 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_loaded_files = array(); |
var $_ci_models = array(); |
var $_ci_helpers = array(); |
var $_ci_plugins = 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() |
{ |
$this->_ci_is_php5 = (floor(phpversion()) >= 5) ? TRUE : FALSE; |
$this->_ci_view_path = APPPATH.'views/'; |
$this->_ci_ob_level = ob_get_level(); |
|
log_message('debug', "Loader Class Initialized"); |
} |
|
// -------------------------------------------------------------------- |
|
/** |
* Class Loader |
* |
* This function lets users load and instantiate classes. |
* It is designed to be called from a user's app controllers. |
* |
* @access public |
* @param string the name of the class |
* @param mixed the optional parameters |
* @param string an optional object name |
* @return void |
*/ |
function library($library = '', $params = NULL, $object_name = NULL) |
{ |
if ($library == '') |
{ |
return FALSE; |
} |
|
if ( ! is_null($params) AND ! is_array($params)) |
{ |
$params = NULL; |
} |
|
if (is_array($library)) |
{ |
foreach ($library as $class) |
{ |
$this->_ci_load_class($class, $params, $object_name); |
} |
} |
else |
{ |
$this->_ci_load_class($library, $params, $object_name); |
} |
|
$this->_ci_assign_to_models(); |
} |
|
// -------------------------------------------------------------------- |
|
/** |
* Model Loader |
* |
* This function lets users load and instantiate models. |
* |
* @access public |
* @param string the name of the class |
* @param string name for the model |
* @param bool database connection |
* @return void |
*/ |
function model($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); |
|
if ( ! file_exists(APPPATH.'models/'.$path.$model.EXT)) |
{ |
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); |
} |
|
require_once(APPPATH.'models/'.$path.$model.EXT); |
|
$model = ucfirst($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(); |
|
$CI->load->_ci_assign_to_models(); |
} |
|
// -------------------------------------------------------------------- |
|
/** |
* Load View |
* |
* This function is used to load a "view" file. It has three parameters: |
* |
* 1. The name of the "view" file to be included. |
* 2. An associative array of data to be extracted for use in the view. |
* 3. TRUE/FALSE - whether to return the data or load it. In |
* some cases it's advantageous to be able to return data so that |
* a developer can process it in some way. |
* |
* @access public |
* @param string |
* @param array |
* @param bool |
* @return void |
*/ |
function view($view, $vars = array(), $return = FALSE) |
{ |
return $this->_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return)); |
} |
|
// -------------------------------------------------------------------- |
|
/** |
* Load File |
* |
* This is a generic file loader |
* |
* @access public |
* @param string |
* @param bool |
* @return string |
*/ |
function file($path, $return = FALSE) |
{ |
return $this->_ci_load(array('_ci_path' => $path, '_ci_return' => $return)); |
} |
|
// -------------------------------------------------------------------- |
|
/** |
* Set Variables |
* |
* Once variables are set they become available within |
* the controller class and its "view" files. |
* |
* @access public |
* @param array |
* @return void |
*/ |
function vars($vars = array(), $val = '') |
{ |
if ($val != '' AND is_string($vars)) |
{ |
$vars = array($vars => $val); |
} |
|
$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; |
} |
|
$ext_helper = APPPATH.'helpers/'.config_item('subclass_prefix').$helper.EXT; |
|
// Is this a helper extension request? |
if (file_exists($ext_helper)) |
{ |
$base_helper = BASEPATH.'helpers/'.$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 (file_exists(APPPATH.'helpers/'.$helper.EXT)) |
{ |
include_once(APPPATH.'helpers/'.$helper.EXT); |
} |
else |
{ |
if (file_exists(BASEPATH.'helpers/'.$helper.EXT)) |
{ |
include_once(BASEPATH.'helpers/'.$helper.EXT); |
} |
else |
{ |
show_error('Unable to load the requested file: helpers/'.$helper.EXT); |
} |
} |
|
$this->_ci_helpers[$helper] = TRUE; |
log_message('debug', 'Helper loaded: '.$helper); |
} |
} |
|
// -------------------------------------------------------------------- |
|
/** |
* Load Helpers |
* |
* This is simply an alias to the above function in case the |
* user has written the plural form of this function. |
* |
* @access public |
* @param array |
* @return void |
*/ |
function helpers($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[$plugin])) |
{ |
continue; |
} |
|
if (file_exists(APPPATH.'plugins/'.$plugin.EXT)) |
{ |
include_once(APPPATH.'plugins/'.$plugin.EXT); |
} |
else |
{ |
if (file_exists(BASEPATH.'plugins/'.$plugin.EXT)) |
{ |
include_once(BASEPATH.'plugins/'.$plugin.EXT); |
} |
else |
{ |
show_error('Unable to load the requested file: plugins/'.$plugin.EXT); |
} |
} |
|
$this->_ci_plugins[$plugin] = TRUE; |
log_message('debug', 'Plugin loaded: '.$plugin); |
} |
} |
|
// -------------------------------------------------------------------- |
|
/** |
* Load Plugins |
* |
* This is simply an alias to the above function in case the |
* user has written the plural form of this function. |
* |
* @access public |
* @param array |
* @return void |
*/ |
function plugins($plugins = array()) |
{ |
$this->plugin($plugins); |
} |
|
// -------------------------------------------------------------------- |
|
/** |
* 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) |
{ |
$CI->lang->load($langfile, $lang); |
} |
} |
|
/** |
* Loads language files for scaffolding |
* |
* @access public |
* @param string |
* @return arra |
*/ |
function scaffold_language($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(); |
$CI->config->load($file, $use_sections, $fail_gracefully); |
} |
|
// -------------------------------------------------------------------- |
|
/** |
* Scaffolding Loader |
* |
* This initializing function works a bit different than the |
* others. It doesn't load the class. Instead, it simply |
* sets a flag indicating that scaffolding is allowed to be |
* used. The actual scaffolding function below is |
* called by the front controller based on whether the |
* second segment of the URL matches the "secret" scaffolding |
* word stored in the application/config/routes.php |
* |
* @access public |
* @param string |
* @return void |
*/ |
function scaffolding($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 |
if ($_ci_path == '') |
{ |
$_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION); |
$_ci_file = ($_ci_ext == '') ? $_ci_view.EXT : $_ci_view; |
$_ci_path = $this->_ci_view_path.$_ci_file; |
} |
else |
{ |
$_ci_x = explode('/', $_ci_path); |
$_ci_file = end($_ci_x); |
} |
|
if ( ! file_exists($_ci_path)) |
{ |
show_error('Unable to load the requested file: '.$_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($_ci_path)))); |
} |
else |
{ |
include($_ci_path); // include() vs include_once() allows for multiple views with the same name |
} |
|
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; |
$OUT->append_output(ob_get_contents()); |
@ob_end_clean(); |
} |
} |
|
// -------------------------------------------------------------------- |
|
/** |
* Load class |
* |
* This function loads the requested class. |
* |
* @access private |
* @param string the item that is being loaded |
* @param mixed any additional parameters |
* @param string an optional object name |
* @return void |
*/ |
function _ci_load_class($class, $params = NULL, $object_name = NULL) |
{ |
// Get the class name, and while we're at it trim any slashes. |
// The directory path can be included as part of the class name, |
// but we don't want a leading slash |
$class = str_replace(EXT, '', trim($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) |
{ |
$subclass = APPPATH.'libraries/'.$subdir.config_item('subclass_prefix').$class.EXT; |
|
// Is this a class extension request? |
if (file_exists($subclass)) |
{ |
$baseclass = BASEPATH.'libraries/'.ucfirst($class).EXT; |
|
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, $this->_ci_loaded_files)) |
{ |
// Before we deem this to be a duplicate request, let's see |
// if a custom object name is being supplied. If so, we'll |
// return a new instance of the object |
if ( ! is_null($object_name)) |
{ |
$CI =& get_instance(); |
if ( ! isset($CI->$object_name)) |
{ |
return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name); |
} |
} |
|
$is_duplicate = TRUE; |
log_message('debug', $class." class already loaded. Second attempt ignored."); |
return; |
} |
|
include_once($baseclass); |
include_once($subclass); |
$this->_ci_loaded_files[] = $subclass; |
|
return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name); |
} |
|
// Lets search for the requested library file and load it. |
$is_duplicate = FALSE; |
for ($i = 1; $i < 3; $i++) |
{ |
$path = ($i % 2) ? APPPATH : BASEPATH; |
$filepath = $path.'libraries/'.$subdir.$class.EXT; |
|
// Does the file exist? No? Bummer... |
if ( ! file_exists($filepath)) |
{ |
continue; |
} |
|
// Safety: Was the class already loaded by a previous call? |
if (in_array($filepath, $this->_ci_loaded_files)) |
{ |
// Before we deem this to be a duplicate request, let's see |
// if a custom object name is being supplied. If so, we'll |
// return a new instance of the object |
if ( ! is_null($object_name)) |
{ |
$CI =& get_instance(); |
if ( ! isset($CI->$object_name)) |
{ |
return $this->_ci_init_class($class, '', $params, $object_name); |
} |
} |
|
$is_duplicate = TRUE; |
log_message('debug', $class." class already loaded. Second attempt ignored."); |
return; |
} |
|
include_once($filepath); |
$this->_ci_loaded_files[] = $filepath; |
return $this->_ci_init_class($class, '', $params, $object_name); |
} |
} // END FOREACH |
|
// One last attempt. Maybe the library is in a subdirectory, but it wasn't specified? |
if ($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 |
* @param string an optional object name |
* @return null |
*/ |
function _ci_init_class($class, $prefix = '', $config = FALSE, $object_name = NULL) |
{ |
// Is there an associated config file for this class? |
if ($config === NULL) |
{ |
// We test for both uppercase and lowercase, for servers that |
// are case-sensitive with regard to file names |
if (file_exists(APPPATH.'config/'.strtolower($class).EXT)) |
{ |
include_once(APPPATH.'config/'.strtolower($class).EXT); |
} |
else |
{ |
if (file_exists(APPPATH.'config/'.ucfirst(strtolower($class)).EXT)) |
{ |
include_once(APPPATH.'config/'.ucfirst(strtolower($class)).EXT); |
} |
} |
} |
|
if ($prefix == '') |
{ |
if (class_exists('CI_'.$class)) |
{ |
$name = 'CI_'.$class; |
} |
elseif (class_exists(config_item('subclass_prefix').$class)) |
{ |
$name = config_item('subclass_prefix').$class; |
} |
else |
{ |
$name = $class; |
} |
} |
else |
{ |
$name = $prefix.$class; |
} |
|
// Is the class name valid? |
if ( ! class_exists($name)) |
{ |
log_message('error', "Non-existent class: ".$name); |
show_error("Non-existent class: ".$class); |
} |
|
// Set the variable name we will assign the class to |
// Was a custom class name supplied? If so we'll use it |
$class = strtolower($class); |
|
if (is_null($object_name)) |
{ |
$classvar = ( ! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class]; |
} |
else |
{ |
$classvar = $object_name; |
} |
|
// Save the class name and object name |
$this->_ci_classes[$class] = $classvar; |
|
// Instantiate the class |
$CI =& get_instance(); |
if ($config !== NULL) |
{ |
$CI->$classvar = new $name($config); |
} |
else |
{ |
$CI->$classvar = new $name; |
} |
} |
|
// -------------------------------------------------------------------- |
|
/** |
* Autoloader |
* |
* The config/autoload.php file contains an array that permits sub-systems, |
* libraries, plugins, and helpers to be loaded automatically. |
* |
* @access private |
* @param array |
* @return void |
*/ |
function _ci_autoloader() |
{ |
include_once(APPPATH.'config/autoload'.EXT); |
|
if ( ! isset($autoload)) |
{ |
return FALSE; |
} |
|
// Load any custom config file |
if (count($autoload['config']) > 0) |
{ |
$CI =& get_instance(); |
foreach ($autoload['config'] as $key => $val) |
{ |
$CI->config->load($val); |
} |
} |
|
// Autoload plugins, helpers and languages |
foreach (array('helper', 'plugin', 'language') as $type) |
{ |
if (isset($autoload[$type]) AND count($autoload[$type]) > 0) |
{ |
$this->$type($autoload[$type]); |
} |
} |
|
// 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')); |
} |
|
// Load all other libraries |
foreach ($autoload['libraries'] as $item) |
{ |
$this->library($item); |
} |
} |
|
// Autoload models |
if (isset($autoload['model'])) |
{ |
$this->model($autoload['model']); |
} |
|
} |
|
// -------------------------------------------------------------------- |
|
/** |
* 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; |
} |
|
} |
|
/* End of file Loader.php */ |
/* Location: ./system/libraries/Loader.php */ |