diff options
Diffstat (limited to 'system/core/Loader.php')
-rw-r--r-- | system/core/Loader.php | 111 |
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)))); } |