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-rw-r--r--[-rwxr-xr-x]system/core/Loader.php294
1 files changed, 157 insertions, 137 deletions
diff --git a/system/core/Loader.php b/system/core/Loader.php
index edf5853f0..ea81c6f26 100755..100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -1,20 +1,30 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Loader Class
*
@@ -22,8 +32,8 @@
*
* @package CodeIgniter
* @subpackage Libraries
- * @author ExpressionEngine Dev Team
* @category Loader
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/libraries/loader.html
*/
class CI_Loader {
@@ -33,93 +43,95 @@ class CI_Loader {
* Nesting level of the output buffering mechanism
*
* @var int
- * @access protected
*/
protected $_ci_ob_level;
+
/**
* List of paths to load views from
*
* @var array
- * @access protected
*/
- protected $_ci_view_paths = array();
+ protected $_ci_view_paths = array();
+
/**
* List of paths to load libraries from
*
* @var array
- * @access protected
*/
- protected $_ci_library_paths = array();
+ protected $_ci_library_paths = array();
+
/**
* List of paths to load models from
*
* @var array
- * @access protected
*/
- protected $_ci_model_paths = array();
+ protected $_ci_model_paths = array();
+
/**
* List of paths to load helpers from
*
* @var array
- * @access protected
*/
- protected $_ci_helper_paths = array();
+ protected $_ci_helper_paths = array();
+
/**
* List of loaded base classes
- * Set by the controller class
*
* @var array
- * @access protected
*/
- protected $_base_classes = array(); // Set by the controller class
+ protected $_base_classes = array(); // Set by the controller class
+
/**
* List of cached variables
*
* @var array
- * @access protected
*/
- protected $_ci_cached_vars = array();
+ protected $_ci_cached_vars = array();
+
/**
* List of loaded classes
*
* @var array
- * @access protected
*/
- protected $_ci_classes = array();
+ protected $_ci_classes = array();
+
/**
* List of loaded files
*
* @var array
- * @access protected
*/
- protected $_ci_loaded_files = array();
+ protected $_ci_loaded_files = array();
+
/**
* List of loaded models
*
* @var array
- * @access protected
*/
- protected $_ci_models = array();
+ protected $_ci_models = array();
+
/**
* List of loaded helpers
*
* @var array
- * @access protected
*/
- protected $_ci_helpers = array();
+ protected $_ci_helpers = array();
+
/**
* List of class name mappings
*
* @var array
- * @access protected
*/
- protected $_ci_varmap = array('unit_test' => 'unit',
- 'user_agent' => 'agent');
+ protected $_ci_varmap = array(
+ 'unit_test' => 'unit',
+ 'user_agent' => 'agent'
+ );
/**
* Constructor
*
* Sets the path to the view files and gets the initial output buffering level
+ *
+ * @return void
*/
public function __construct()
{
@@ -129,7 +141,7 @@ class CI_Loader {
$this->_ci_model_paths = array(APPPATH);
$this->_ci_view_paths = array(VIEWPATH => TRUE);
- log_message('debug', "Loader Class Initialized");
+ log_message('debug', 'Loader Class Initialized');
}
// --------------------------------------------------------------------
@@ -139,7 +151,6 @@ class CI_Loader {
*
* This method is called once in CI_Controller.
*
- * @param array
* @return object
*/
public function initialize()
@@ -150,7 +161,6 @@ class CI_Loader {
$this->_base_classes =& is_loaded();
$this->_ci_autoloader();
-
return $this;
}
@@ -170,12 +180,7 @@ class CI_Loader {
*/
public function is_loaded($class)
{
- if (isset($this->_ci_classes[$class]))
- {
- return $this->_ci_classes[$class];
- }
-
- return FALSE;
+ return isset($this->_ci_classes[$class]) ? $this->_ci_classes[$class] : FALSE;
}
// --------------------------------------------------------------------
@@ -203,7 +208,7 @@ class CI_Loader {
return;
}
- if ($library == '' OR isset($this->_base_classes[$library]))
+ if ($library === '' OR isset($this->_base_classes[$library]))
{
return FALSE;
}
@@ -232,14 +237,14 @@ class CI_Loader {
{
if (is_array($model))
{
- foreach ($model as $babe)
+ foreach ($model as $class)
{
- $this->model($babe);
+ $this->model($class);
}
return;
}
- if ($model == '')
+ if ($model === '')
{
return;
}
@@ -250,13 +255,13 @@ class CI_Loader {
if (($last_slash = strrpos($model, '/')) !== FALSE)
{
// The path is in front of the last slash
- $path = substr($model, 0, $last_slash + 1);
+ $path = substr($model, 0, ++$last_slash);
// And the model name behind it
- $model = substr($model, $last_slash + 1);
+ $model = substr($model, $last_slash);
}
- if ($name == '')
+ if (empty($name))
{
$name = $model;
}
@@ -281,7 +286,7 @@ class CI_Loader {
continue;
}
- if ($db_conn !== FALSE AND ! class_exists('CI_DB'))
+ if ($db_conn !== FALSE && ! class_exists('CI_DB'))
{
if ($db_conn === TRUE)
{
@@ -299,9 +304,7 @@ class CI_Loader {
require_once($mod_path.'models/'.$path.$model.'.php');
$model = ucfirst($model);
-
$CI->$name = new $model();
-
$this->_ci_models[] = $name;
return;
}
@@ -317,16 +320,16 @@ class CI_Loader {
*
* @param string the DB credentials
* @param bool whether to return the DB object
- * @param bool whether to enable active record (this allows us to override the config setting)
+ * @param bool whether to enable query builder (this allows us to override the config setting)
* @return object
*/
- public function database($params = '', $return = FALSE, $active_record = NULL)
+ public function database($params = '', $return = FALSE, $query_builder = NULL)
{
// 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 $active_record == NULL AND isset($CI->db) AND is_object($CI->db))
+ if (class_exists('CI_DB') && $return === FALSE && $query_builder === NULL && isset($CI->db) && is_object($CI->db))
{
return FALSE;
}
@@ -335,15 +338,15 @@ class CI_Loader {
if ($return === TRUE)
{
- return DB($params, $active_record);
+ return DB($params, $query_builder);
}
- // Initialize the db variable. Needed to prevent
+ // Initialize the db variable. Needed to prevent
// reference errors with some configurations
$CI->db = '';
// Load the DB class
- $CI->db =& DB($params, $active_record);
+ $CI->db =& DB($params, $query_builder);
}
// --------------------------------------------------------------------
@@ -401,13 +404,13 @@ class CI_Loader {
/**
* Load View
*
- * This function is used to load a "view" file. It has three parameters:
+ * This function is used to load a "view" file. It has three parameters:
*
* 1. The name of the "view" file to be included.
* 2. An associative array of data to be extracted for use in the view.
- * 3. TRUE/FALSE - whether to return the data or load it. In
- * some cases it's advantageous to be able to return data so that
- * a developer can process it in some way.
+ * 3. TRUE/FALSE - whether to return the data or load it. In
+ * some cases it's advantageous to be able to return data so that
+ * a developer can process it in some way.
*
* @param string
* @param array
@@ -449,14 +452,14 @@ class CI_Loader {
*/
public function vars($vars = array(), $val = '')
{
- if ($val != '' AND is_string($vars))
+ if ($val !== '' && is_string($vars))
{
$vars = array($vars => $val);
}
$vars = $this->_ci_object_to_array($vars);
- if (is_array($vars) AND count($vars) > 0)
+ if (is_array($vars) && count($vars) > 0)
{
foreach ($vars as $key => $val)
{
@@ -483,6 +486,20 @@ class CI_Loader {
// --------------------------------------------------------------------
/**
+ * Get Variables
+ *
+ * Retrieve all loaded variables
+ *
+ * @return array
+ */
+ public function get_vars()
+ {
+ return $this->_ci_cached_vars;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Load Helper
*
* This function loads the specified helper file.
@@ -603,19 +620,33 @@ class CI_Loader {
*
* Loads a driver library
*
- * @param string the name of the class
+ * @param mixed the name of the class or array of classes
* @param mixed the optional parameters
* @param string an optional object name
* @return void
*/
public function driver($library = '', $params = NULL, $object_name = NULL)
{
+ if (is_array($library))
+ {
+ foreach ($library as $driver)
+ {
+ $this->driver($driver);
+ }
+ return FALSE;
+ }
+
if ( ! class_exists('CI_Driver_Library'))
{
// we aren't instantiating an object here, that'll be done by the Library itself
require BASEPATH.'libraries/Driver.php';
}
+ if ($library === '')
+ {
+ return FALSE;
+ }
+
// We can save the loader some time since Drivers will *always* be in a subfolder,
// and typically identically named to the library
if ( ! strpos($library, '/'))
@@ -634,10 +665,10 @@ class CI_Loader {
* Prepends a parent path to the library, model, helper, and config path arrays
*
* @param string
- * @param boolean
+ * @param bool
* @return void
*/
- public function add_package_path($path, $view_cascade=TRUE)
+ public function add_package_path($path, $view_cascade = TRUE)
{
$path = rtrim($path, '/').'/';
@@ -649,7 +680,7 @@ class CI_Loader {
// Add config file path
$config =& $this->_ci_get_component('config');
- array_unshift($config->_config_paths, $path);
+ array_push($config->_config_paths, $path);
}
// --------------------------------------------------------------------
@@ -675,21 +706,21 @@ class CI_Loader {
* Remove a path from the library, model, and helper path arrays if it exists
* If no path is provided, the most recently added path is removed.
*
- * @param type
+ * @param string
* @param bool
- * @return type
+ * @return void
*/
public function remove_package_path($path = '', $remove_config_path = TRUE)
{
$config =& $this->_ci_get_component('config');
- if ($path == '')
+ if ($path === '')
{
- $void = array_shift($this->_ci_library_paths);
- $void = array_shift($this->_ci_model_paths);
- $void = array_shift($this->_ci_helper_paths);
- $void = array_shift($this->_ci_view_paths);
- $void = array_shift($config->_config_paths);
+ array_shift($this->_ci_library_paths);
+ array_shift($this->_ci_model_paths);
+ array_shift($this->_ci_helper_paths);
+ array_shift($this->_ci_view_paths);
+ array_pop($config->_config_paths);
}
else
{
@@ -738,13 +769,13 @@ class CI_Loader {
// Set the default data variables
foreach (array('_ci_view', '_ci_vars', '_ci_path', '_ci_return') as $_ci_val)
{
- $$_ci_val = ( ! isset($_ci_data[$_ci_val])) ? FALSE : $_ci_data[$_ci_val];
+ $$_ci_val = isset($_ci_data[$_ci_val]) ? $_ci_data[$_ci_val] : FALSE;
}
$file_exists = FALSE;
// Set the path to the requested file
- if ($_ci_path != '')
+ if (is_string($_ci_path) && $_ci_path !== '')
{
$_ci_x = explode('/', $_ci_path);
$_ci_file = end($_ci_x);
@@ -752,7 +783,7 @@ class CI_Loader {
else
{
$_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION);
- $_ci_file = ($_ci_ext == '') ? $_ci_view.'.php' : $_ci_view;
+ $_ci_file = ($_ci_ext === '') ? $_ci_view.'.php' : $_ci_view;
foreach ($this->_ci_view_paths as $view_file => $cascade)
{
@@ -777,7 +808,6 @@ class CI_Loader {
// This allows anything loaded using $this->load (views, files, etc.)
// to become accessible from within the Controller and Model functions.
-
$_ci_CI =& get_instance();
foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var)
{
@@ -790,7 +820,7 @@ class CI_Loader {
/*
* Extract and cache variables
*
- * You can either set variables using the dedicated $this->load_vars()
+ * You can either set variables using the dedicated $this->load->vars()
* function or via the second parameter of this function. We'll merge
* the two types and cache them so that views that are embedded within
* other views can have access to these variables.
@@ -806,22 +836,20 @@ class CI_Loader {
*
* We buffer the output for two reasons:
* 1. Speed. You get a significant speed boost.
- * 2. So that the final rendered template can be
- * post-processed by the output class. Why do we
- * need post processing? For one thing, in order to
- * show the elapsed page load time. Unless we
- * can intercept the content right before it's sent to
- * the browser and then stop the timer it won't be accurate.
+ * 2. So that the final rendered template can be post-processed by
+ * the output class. Why do we need post processing? For one thing,
+ * in order to show the elapsed page load time. Unless we can
+ * intercept the content right before it's sent to the browser and
+ * then stop the timer it won't be accurate.
*/
ob_start();
// If the PHP installation does not support short tags we'll
// do a little string replacement, changing the short tags
// to standard PHP echo statements.
-
- if ((bool) @ini_get('short_open_tag') === FALSE AND config_item('rewrite_short_tags') == TRUE)
+ if ( ! is_php('5.4') && (bool) @ini_get('short_open_tag') === FALSE && config_item('rewrite_short_tags') === TRUE)
{
- echo eval('?>'.preg_replace("/;*\s*\?>/", "; ?>", str_replace('<?=', '<?php echo ', file_get_contents($_ci_path))));
+ echo eval('?>'.preg_replace('/;*\s*\?>/', '; ?>', str_replace('<?=', '<?php echo ', file_get_contents($_ci_path))));
}
else
{
@@ -846,7 +874,6 @@ class CI_Loader {
* 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() > $this->_ci_ob_level + 1)
{
@@ -884,10 +911,10 @@ class CI_Loader {
if (($last_slash = strrpos($class, '/')) !== FALSE)
{
// Extract the path
- $subdir = substr($class, 0, $last_slash + 1);
+ $subdir = substr($class, 0, ++$last_slash);
// Get the filename from the path
- $class = substr($class, $last_slash + 1);
+ $class = substr($class, $last_slash);
}
// We'll test for both lowercase and capitalized versions of the file name
@@ -902,15 +929,15 @@ class CI_Loader {
if ( ! file_exists($baseclass))
{
- log_message('error', "Unable to load the requested class: ".$class);
- show_error("Unable to load the requested class: ".$class);
+ 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?
+ // Safety: Was the class already loaded by a previous call?
if (in_array($subclass, $this->_ci_loaded_files))
{
// Before we deem this to be a duplicate request, let's see
- // if a custom object name is being supplied. If so, we'll
+ // if a custom object name is being supplied. If so, we'll
// return a new instance of the object
if ( ! is_null($object_name))
{
@@ -922,7 +949,7 @@ class CI_Loader {
}
$is_duplicate = TRUE;
- log_message('debug', $class." class already loaded. Second attempt ignored.");
+ log_message('debug', $class.' class already loaded. Second attempt ignored.');
return;
}
@@ -939,17 +966,17 @@ class CI_Loader {
{
$filepath = $path.'libraries/'.$subdir.$class.'.php';
- // Does the file exist? No? Bummer...
+ // Does the file exist? No? Bummer...
if ( ! file_exists($filepath))
{
continue;
}
- // Safety: Was the class already loaded by a previous call?
+ // Safety: Was the class already loaded by a previous call?
if (in_array($filepath, $this->_ci_loaded_files))
{
// Before we deem this to be a duplicate request, let's see
- // if a custom object name is being supplied. If so, we'll
+ // if a custom object name is being supplied. If so, we'll
// return a new instance of the object
if ( ! is_null($object_name))
{
@@ -961,7 +988,7 @@ class CI_Loader {
}
$is_duplicate = TRUE;
- log_message('debug', $class." class already loaded. Second attempt ignored.");
+ log_message('debug', $class.' class already loaded. Second attempt ignored.');
return;
}
@@ -972,8 +999,8 @@ class CI_Loader {
} // END FOREACH
- // One last attempt. Maybe the library is in a subdirectory, but it wasn't specified?
- if ($subdir == '')
+ // 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, $params);
@@ -981,10 +1008,10 @@ class CI_Loader {
// If we got this far we were unable to find the requested class.
// We do not issue errors if the load call failed due to a duplicate request
- if ($is_duplicate == FALSE)
+ if ($is_duplicate === FALSE)
{
- log_message('error', "Unable to load the requested class: ".$class);
- show_error("Unable to load the requested class: ".$class);
+ log_message('error', 'Unable to load the requested class: '.$class);
+ show_error('Unable to load the requested class: '.$class);
}
}
@@ -997,11 +1024,11 @@ class CI_Loader {
* @param string
* @param bool
* @param string an optional object name
- * @return null
+ * @return void
*/
protected function _ci_init_class($class, $prefix = '', $config = FALSE, $object_name = NULL)
{
- // Is there an associated config file for this class? Note: these should always be lowercase
+ // Is there an associated config file for this class? Note: these should always be lowercase
if ($config === NULL)
{
// Fetch the config paths containing any package paths
@@ -1016,31 +1043,31 @@ class CI_Loader {
// We test for both uppercase and lowercase, for servers that
// are case-sensitive with regard to file names. Check for environment
// first, global next
- if (defined('ENVIRONMENT') AND file_exists($path .'config/'.ENVIRONMENT.'/'.strtolower($class).'.php'))
+ if (defined('ENVIRONMENT') && file_exists($path.'config/'.ENVIRONMENT.'/'.strtolower($class).'.php'))
{
- include($path .'config/'.ENVIRONMENT.'/'.strtolower($class).'.php');
+ include($path.'config/'.ENVIRONMENT.'/'.strtolower($class).'.php');
break;
}
- elseif (defined('ENVIRONMENT') AND file_exists($path .'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php'))
+ elseif (defined('ENVIRONMENT') && file_exists($path.'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php'))
{
- include($path .'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php');
+ include($path.'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php');
break;
}
- elseif (file_exists($path .'config/'.strtolower($class).'.php'))
+ elseif (file_exists($path.'config/'.strtolower($class).'.php'))
{
- include($path .'config/'.strtolower($class).'.php');
+ include($path.'config/'.strtolower($class).'.php');
break;
}
- elseif (file_exists($path .'config/'.ucfirst(strtolower($class)).'.php'))
+ elseif (file_exists($path.'config/'.ucfirst(strtolower($class)).'.php'))
{
- include($path .'config/'.ucfirst(strtolower($class)).'.php');
+ include($path.'config/'.ucfirst(strtolower($class)).'.php');
break;
}
}
}
}
- if ($prefix == '')
+ if ($prefix === '')
{
if (class_exists('CI_'.$class))
{
@@ -1063,17 +1090,17 @@ class CI_Loader {
// Is the class name valid?
if ( ! class_exists($name))
{
- log_message('error', "Non-existent class: ".$name);
- show_error("Non-existent class: ".$class);
+ log_message('error', 'Non-existent class: '.$name);
+ show_error('Non-existent class: '.$name);
}
// Set the variable name we will assign the class to
- // Was a custom class name supplied? If so we'll use it
+ // 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];
+ $classvar = isset($this->_ci_varmap[$class]) ? $this->_ci_varmap[$class] : $class;
}
else
{
@@ -1091,7 +1118,7 @@ class CI_Loader {
}
else
{
- $CI->$classvar = new $name;
+ $CI->$classvar = new $name();
}
}
@@ -1103,12 +1130,11 @@ class CI_Loader {
* The config/autoload.php file contains an array that permits sub-systems,
* libraries, and helpers to be loaded automatically.
*
- * @param array
* @return void
*/
protected function _ci_autoloader()
{
- if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/autoload.php'))
+ if (defined('ENVIRONMENT') && file_exists(APPPATH.'config/'.ENVIRONMENT.'/autoload.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/autoload.php');
}
@@ -1144,21 +1170,14 @@ class CI_Loader {
// Autoload helpers and languages
foreach (array('helper', 'language') as $type)
{
- if (isset($autoload[$type]) AND count($autoload[$type]) > 0)
+ if (isset($autoload[$type]) && count($autoload[$type]) > 0)
{
$this->$type($autoload[$type]);
}
}
- // A little tweak to remain backward compatible
- // The $autoload['core'] item was deprecated
- if ( ! isset($autoload['libraries']) AND isset($autoload['core']))
- {
- $autoload['libraries'] = $autoload['core'];
- }
-
// Load libraries
- if (isset($autoload['libraries']) AND count($autoload['libraries']) > 0)
+ if (isset($autoload['libraries']) && count($autoload['libraries']) > 0)
{
// Load the database driver.
if (in_array('database', $autoload['libraries']))
@@ -1202,7 +1221,7 @@ class CI_Loader {
*/
protected function _ci_object_to_array($object)
{
- return (is_object($object)) ? get_object_vars($object) : $object;
+ return is_object($object) ? get_object_vars($object) : $object;
}
// --------------------------------------------------------------------
@@ -1234,18 +1253,19 @@ class CI_Loader {
{
if ( ! is_array($filename))
{
- return array(strtolower(str_replace('.php', '', str_replace($extension, '', $filename)).$extension));
+ return array(strtolower(str_replace(array($extension, '.php'), '', $filename).$extension));
}
else
{
foreach ($filename as $key => $val)
{
- $filename[$key] = strtolower(str_replace('.php', '', str_replace($extension, '', $val)).$extension);
+ $filename[$key] = strtolower(str_replace(array($extension, '.php'), '', $val).$extension);
}
return $filename;
}
}
+
}
/* End of file Loader.php */
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-26 04:49:25 +0100