diff --git a/system/libraries/Loader.php b/system/libraries/Loader.php
index ca4c4fe..1738438 100644
--- a/system/libraries/Loader.php
+++ b/system/libraries/Loader.php
@@ -28,15 +28,18 @@
*/
class CI_Loader {
- var $CI;
- var $ob_level;
- var $view_path = '';
- var $cached_vars = array();
- var $models = array();
- var $helpers = array();
- var $plugins = array();
- var $scripts = array();
- var $varmap = array('unit_test' => 'unit', 'user_agent' => 'agent');
+ var $_ci_ob_level;
+ var $_ci_view_path = '';
+ var $_ci_cached_vars = 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');
+
+ var $_ci_use_instance = FALSE; // This variable determines whether we should
+ // use $this or $CI =& get_instance()
+ // throughout this class. Don't mess with it.
/**
* Constructor
@@ -47,11 +50,9 @@
* @access public
*/
function CI_Loader()
- {
- $this->CI =& get_instance();
-
- $this->view_path = APPPATH.'views/';
- $this->ob_level = ob_get_level();
+ {
+ $this->_ci_view_path = APPPATH.'views/';
+ $this->_ci_ob_level = ob_get_level();
log_message('debug', "Loader Class Initialized");
}
@@ -95,8 +96,7 @@
if ($model == '')
return;
- // Is the model in a sub-folder?
- // If so, parse out the filename and path.
+ // Is the model in a sub-folder? If so, parse out the filename and path.
if (strpos($model, '/') === FALSE)
{
$path = '';
@@ -114,14 +114,25 @@
$name = $model;
}
- if (in_array($name, $this->models, TRUE))
+ if (in_array($name, $this->_ci_models, TRUE))
{
return;
- }
+ }
- if (isset($this->CI->$name))
+ if ($this->_ci_use_instance)
{
- show_error('The model name you are loading is the name of a resource that is already being used: '.$name);
+ $CI =& get_instance();
+ if (isset($CI->$name))
+ {
+ show_error('The model name you are loading is the name of a resource that is already being used: '.$name);
+ }
+ }
+ else
+ {
+ if (isset($this->$name))
+ {
+ show_error('The model name you are loading is the name of a resource that is already being used: '.$name);
+ }
}
$model = strtolower($model);
@@ -136,7 +147,14 @@
if ($db_conn === TRUE)
$db_conn = '';
- $this->CI->load->database($db_conn, FALSE, TRUE);
+ if ($this->_ci_use_instance)
+ {
+ $CI->load->database($db_conn, FALSE, TRUE);
+ }
+ else
+ {
+ $this->database($db_conn, FALSE, TRUE);
+ }
}
if ( ! class_exists('Model'))
@@ -147,8 +165,17 @@
require_once(APPPATH.'models/'.$path.$model.EXT);
$model = ucfirst($model);
- $this->CI->$name = new $model();
- $this->models[] = $name;
+
+ if ($this->_ci_use_instance)
+ {
+ $CI->$name = new $model();
+ }
+ else
+ {
+ $this->$name = new $model();
+ }
+
+ $this->_ci_models[] = $name;
$this->_ci_assign_to_models();
}
@@ -239,7 +266,7 @@
{
foreach ($vars as $key => $val)
{
- $this->cached_vars[$key] = $val;
+ $this->_ci_cached_vars[$key] = $val;
}
}
}
@@ -264,7 +291,7 @@
foreach ($helpers as $helper)
{
- if (isset($this->helpers[$helper]))
+ if (isset($this->_ci_helpers[$helper]))
{
continue;
}
@@ -287,7 +314,7 @@
}
}
- $this->helpers[$helper] = TRUE;
+ $this->_ci_helpers[$helper] = TRUE;
}
log_message('debug', 'Helpers loaded: '.implode(', ', $helpers));
@@ -330,7 +357,7 @@
foreach ($plugins as $plugin)
{
- if (isset($this->plugins[$plugin]))
+ if (isset($this->_ci_plugins[$plugin]))
{
continue;
}
@@ -353,7 +380,7 @@
}
}
- $this->plugins[$plugin] = TRUE;
+ $this->_ci_plugins[$plugin] = TRUE;
}
log_message('debug', 'Plugins loaded: '.implode(', ', $plugins));
@@ -400,7 +427,7 @@
foreach ($scripts as $script)
{
- if (isset($this->scripts[$script]))
+ if (isset($this->_ci_scripts[$script]))
{
continue;
}
@@ -414,7 +441,7 @@
include_once(APPPATH.'scripts/'.$script.EXT);
- $this->scripts[$script] = TRUE;
+ $this->_ci_scripts[$script] = TRUE;
}
log_message('debug', 'Scripts loaded: '.implode(', ', $scripts));
@@ -431,7 +458,15 @@
*/
function language($file = '', $lang = '', $return = FALSE)
{
- return $this->CI->lang->load($file, $lang, $return);
+ if ($this->_ci_use_instance)
+ {
+ $CI =& get_instance();
+ return $CI->lang->load($file, $lang, $return);
+ }
+ else
+ {
+ return $this->lang->load($file, $lang, $return);
+ }
}
// --------------------------------------------------------------------
@@ -444,8 +479,16 @@
* @return void
*/
function config($file = '')
- {
- $this->CI->config->load($file);
+ {
+ if ($this->_ci_use_instance)
+ {
+ $CI =& get_instance();
+ $CI->config->load($file);
+ }
+ else
+ {
+ $this->config->load($file);
+ }
}
// --------------------------------------------------------------------
@@ -471,9 +514,18 @@
{
show_error('You must include the name of the table you would like access when you initialize scaffolding');
}
-
- $this->CI->_ci_scaffolding = TRUE;
- $this->CI->_ci_scaff_table = $table;
+
+ if ($this->_ci_use_instance)
+ {
+ $CI =& get_instance();
+ $CI->_ci_scaffolding = TRUE;
+ $CI->_ci_scaff_table = $table;
+ }
+ else
+ {
+ $this->_ci_scaffolding = TRUE;
+ $this->_ci_scaff_table = $table;
+ }
}
// --------------------------------------------------------------------
@@ -491,14 +543,20 @@
{
// This allows anything loaded using $this->load (viwes, files, etc.)
// to become accessible from within the Controller and Model functions.
- foreach (get_object_vars($this->CI) as $key => $var)
+ // Only needed when running PHP 5
+
+ if ($this->_ci_use_instance)
{
- if (is_object($var))
+ $CI =& get_instance();
+ foreach (get_object_vars($CI) as $key => $var)
{
- $this->$key =& $this->CI->$key;
+ if ( ! isset($this->$key))
+ {
+ $this->$key =& $CI->$key;
+ }
}
}
-
+
// Set the default data variables
foreach (array('view', 'vars', 'path', 'return') as $val)
{
@@ -515,16 +573,16 @@
*/
if (is_array($vars))
{
- $this->cached_vars = array_merge($this->cached_vars, $vars);
+ $this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $vars);
}
- extract($this->cached_vars);
+ extract($this->_ci_cached_vars);
// Set the path to the requested file
if ($path == '')
{
$ext = pathinfo($view, PATHINFO_EXTENSION);
$file = ($ext == '') ? $view.EXT : $view;
- $path = $this->view_path.$file;
+ $path = $this->_ci_view_path.$file;
}
else
{
@@ -572,14 +630,15 @@
* it can be seen and included properly by the first included
* template and any subsequent ones. Oy!
*
- */
- if (ob_get_level() > $this->ob_level + 1)
+ */
+ if (ob_get_level() > $this->_ci_ob_level + 1)
{
ob_end_flush();
}
else
{
- $this->CI->output->set_output(ob_get_contents());
+ global $OUT;
+ $OUT->set_output(ob_get_contents());
ob_end_clean();
}
}
@@ -682,18 +741,33 @@
else
{
$class = strtolower($class);
- $classvar = ( ! isset($this->varmap[$class])) ? $class : $this->varmap[$class];
+ $classvar = ( ! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class];
}
- // Instantiate the class
- if ($config !== NULL)
+ // Instantiate the class
+ if ($this->_ci_use_instance)
{
- $this->CI->$classvar = new $name($config);
+ $CI =& get_instance();
+ if ($config !== NULL)
+ {
+ $CI->$classvar = new $name($config);
+ }
+ else
+ {
+ $CI->$classvar = new $name;
+ }
}
else
- {
- $this->CI->$classvar = new $name;
- }
+ {
+ if ($config !== NULL)
+ {
+ $this->$classvar = new $name($config);
+ }
+ else
+ {
+ $this->$classvar = new $name;
+ }
+ }
}
// --------------------------------------------------------------------
@@ -719,10 +793,21 @@
// Load any custome config file
if (count($autoload['config']) > 0)
- {
- foreach ($autoload['config'] as $key => $val)
+ {
+ if ($this->_ci_use_instance)
{
- $this->CI->config->load($val);
+ $CI =& get_instance();
+ foreach ($autoload['config'] as $key => $val)
+ {
+ $CI->config->load($val);
+ }
+ }
+ else
+ {
+ foreach ($autoload['config'] as $key => $val)
+ {
+ $this->config->load($val);
+ }
}
}
@@ -788,14 +873,26 @@
*/
function _ci_assign_to_models()
{
- if (count($this->models) == 0)
+ if (count($this->_ci_models) == 0)
{
return;
}
- foreach ($this->models as $model)
- {
- $this->CI->$model->_assign_libraries();
- }
+
+ if ($this->_ci_use_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();
+ }
+ }
}
// --------------------------------------------------------------------