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-rw-r--r--system/core/Loader.php111
1 files changed, 71 insertions, 40 deletions
diff --git a/system/core/Loader.php b/system/core/Loader.php
index db56ab3ae..1e6eafe8a 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
@@ -24,6 +24,7 @@
* @since Version 1.0
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Loader Class
@@ -129,7 +130,7 @@ class CI_Loader {
/**
* Class constructor
*
- * Sets component load paths gets the initial output buffering level.
+ * Sets component load paths, gets the initial output buffering level.
*
* @return void
*/
@@ -147,21 +148,18 @@ class CI_Loader {
// --------------------------------------------------------------------
/**
- * Initialize the Loader
+ * Initializer
*
- * @used-by CI_Controller
+ * @todo Figure out a way to move this to the constructor
+ * without breaking *package_path*() methods.
* @uses CI_Loader::_ci_autoloader()
- * @return object $this
+ * @used-by CI_Controller::__construct()
+ * @return void
*/
public function initialize()
{
- $this->_ci_classes = array();
- $this->_ci_loaded_files = array();
- $this->_ci_models = array();
$this->_base_classes =& is_loaded();
-
$this->_ci_autoloader();
- return $this;
}
// --------------------------------------------------------------------
@@ -354,26 +352,30 @@ class CI_Loader {
/**
* Load the Database Utilities Class
*
- * @return void
+ * @param object $db Database object
+ * @param bool $return Whether to return the DB Forge class object or not
+ * @return void|object
*/
- public function dbutil()
+ public function dbutil($db = NULL, $return = FALSE)
{
- 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
- $CI->load->dbforge();
+ if ( ! is_object($db) OR ! ($db instanceof CI_DB))
+ {
+ class_exists('CI_DB', FALSE) OR $this->database();
+ $db =& $CI->db;
+ }
require_once(BASEPATH.'database/DB_utility.php');
- require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_utility.php');
- $class = 'CI_DB_'.$CI->db->dbdriver.'_utility';
+ require_once(BASEPATH.'database/drivers/'.$db->dbdriver.'/'.$db->dbdriver.'_utility.php');
+ $class = 'CI_DB_'.$db->dbdriver.'_utility';
- $CI->dbutil = new $class();
+ if ($return === TRUE)
+ {
+ return new $class($db);
+ }
+
+ $CI->dbutil = new $class($db);
}
// --------------------------------------------------------------------
@@ -381,22 +383,42 @@ class CI_Loader {
/**
* Load the Database Forge Class
*
- * @return void
+ * @param object $db Database object
+ * @param bool $return Whether to return the DB Forge class object or not
+ * @return void|object
*/
- public function dbforge()
+ public function dbforge($db = NULL, $return = FALSE)
{
- if ( ! class_exists('CI_DB'))
+ $CI =& get_instance();
+ if ( ! is_object($db) OR ! ($db instanceof CI_DB))
{
- $this->database();
+ class_exists('CI_DB', FALSE) OR $this->database();
+ $db =& $CI->db;
}
- $CI =& get_instance();
-
require_once(BASEPATH.'database/DB_forge.php');
- require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_forge.php');
- $class = 'CI_DB_'.$CI->db->dbdriver.'_forge';
+ require_once(BASEPATH.'database/drivers/'.$db->dbdriver.'/'.$db->dbdriver.'_forge.php');
- $CI->dbforge = new $class();
+ if ( ! empty($db->subdriver))
+ {
+ $driver_path = BASEPATH.'database/drivers/'.$db->dbdriver.'/subdrivers/'.$db->dbdriver.'_'.$db->subdriver.'_forge.php';
+ if (file_exists($driver_path))
+ {
+ require_once($driver_path);
+ $class = 'CI_DB_'.$db->dbdriver.'_'.$db->subdriver.'_forge';
+ }
+ }
+ else
+ {
+ $class = 'CI_DB_'.$db->dbdriver.'_forge';
+ }
+
+ if ($return === TRUE)
+ {
+ return new $class($db);
+ }
+
+ $CI->dbforge = new $class($db);
}
// --------------------------------------------------------------------
@@ -510,27 +532,34 @@ class CI_Loader {
continue;
}
- $ext_helper = APPPATH.'helpers/'.config_item('subclass_prefix').$helper.'.php';
-
// Is this a helper extension request?
- if (file_exists($ext_helper))
+ $ext_helper = config_item('subclass_prefix').$helper;
+ $ext_loaded = FALSE;
+ foreach ($this->_ci_helper_paths as $path)
{
- $base_helper = BASEPATH.'helpers/'.$helper.'.php';
+ if (file_exists($path.'helpers/'.$ext_helper.'.php'))
+ {
+ include_once($path.'helpers/'.$ext_helper.'.php');
+ $ext_loaded = TRUE;
+ }
+ }
+ // If we have loaded extensions - check if the base one is here
+ if ($ext_loaded === TRUE)
+ {
+ $base_helper = BASEPATH.'helpers/'.$helper.'.php';
if ( ! file_exists($base_helper))
{
show_error('Unable to load the requested file: helpers/'.$helper.'.php');
}
- include_once($ext_helper);
include_once($base_helper);
-
$this->_ci_helpers[$helper] = TRUE;
log_message('debug', 'Helper loaded: '.$helper);
continue;
}
- // Try to load the helper
+ // No extensions found ... try loading regular helpers and/or overrides
foreach ($this->_ci_helper_paths as $path)
{
if (file_exists($path.'helpers/'.$helper.'.php'))
@@ -849,7 +878,9 @@ class CI_Loader {
// If the PHP installation does not support short tags we'll
// do a little string replacement, changing the short tags
// to standard PHP echo statements.
- if ( ! is_php('5.4') && (bool) @ini_get('short_open_tag') === FALSE && config_item('rewrite_short_tags') === TRUE)
+ if ( ! is_php('5.4') && (bool) @ini_get('short_open_tag') === FALSE
+ && config_item('rewrite_short_tags') === TRUE && function_usable('eval')
+ )
{
echo eval('?>'.preg_replace('/;*\s*\?>/', '; ?>', str_replace('<?=', '<?php echo ', file_get_contents($_ci_path))));
}