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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author Rick Ellis
* @copyright Copyright (c) 2006, pMachine, Inc.
* @license http://www.codeignitor.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Code Igniter Config Class
*
* This class contains functions that enable config files to be managed
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author Rick Ellis
* @link http://www.codeigniter.com/user_guide/libraries/config.html
*/
class CI_Config {
var $config = array();
var $is_loaded = array();
/**
* Constructor
*
* Sets the $config data from the primary config.php file as a class variable
*
* @access public
* @param string the config file name
* @param boolean if configuration values should be loaded into their own section
* @param boolean true if errors should just return false, false if an error message should be displayed
* @return boolean if the file was successfully loaded or not
*/
function CI_Config()
{
$this->config = get_config();
log_message('debug', "Config Class Initialized");
}
// --------------------------------------------------------------------
/**
* Load Config File
*
* @access public
* @param string the config file name
* @return boolean if the file was loaded correctly
*/
function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
{
$file = ($file == '') ? 'config' : str_replace(EXT, '', $file);
if (in_array($file, $this->is_loaded, TRUE))
{
return TRUE;
}
if ( ! file_exists(APPPATH.'config/'.$file.EXT))
{
if ($fail_gracefully === TRUE)
{
return FALSE;
}
show_error('The configuration file '.$file.EXT.' does not exist.');
}
include_once(APPPATH.'config/'.$file.EXT);
if ( ! isset($config) OR ! is_array($config))
{
if ($fail_gracefully === TRUE)
{
return FALSE;
}
show_error('Your '.$file.EXT.' file does not appear to contain a valid configuration array.');
}
if ($use_sections === TRUE)
{
if (isset($this->config[$file]))
{
$this->config[$file] = array_merge($this->config[$file], $config);
}
else
{
$this->config[$file] = $config;
}
}
else
{
$this->config = array_merge($this->config, $config);
}
$this->is_loaded[] = $file;
unset($config);
log_message('debug', 'Config file loaded: config/'.$file.EXT);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Fetch a config file item
*
*
* @access public
* @param string the config item name
* @param string the index name
* @param bool
* @return string
*/
function item($item, $index = '')
{
if ($index == '')
{
if ( ! isset($this->config[$item]))
{
return FALSE;
}
$pref = $this->config[$item];
}
else
{
if ( ! isset($this->config[$index]))
{
return FALSE;
}
if ( ! isset($this->config[$index][$item]))
{
return FALSE;
}
$pref = $this->config[$index][$item];
}
return $pref;
}
// --------------------------------------------------------------------
/**
* Fetch a config file item - adds slash after item
*
* The second parameter allows a slash to be added to the end of
* the item, in the case of a path.
*
* @access public
* @param string the config item name
* @param bool
* @return string
*/
function slash_item($item)
{
if ( ! isset($this->config[$item]))
{
return FALSE;
}
$pref = $this->config[$item];
if ($pref != '')
{
if (ereg("/$", $pref) === FALSE)
{
$pref .= '/';
}
}
return $pref;
}
// --------------------------------------------------------------------
/**
* Site URL
*
* @access public
* @param string the URI string
* @return string
*/
function site_url($uri = '')
{
if (is_array($uri))
{
$uri = implode('/', $uri);
}
if ($uri == '')
{
return $this->slash_item('base_url').$this->item('index_page');
}
else
{
$suffix = ($this->item('url_suffix') == FALSE) ? '' : $this->item('url_suffix');
return $this->slash_item('base_url').$this->slash_item('index_page').preg_replace("|^/*(.+?)/*$|", "\\1", $uri).$suffix;
}
}
// --------------------------------------------------------------------
/**
* System URL
*
* @access public
* @return string
*/
function system_url()
{
$x = explode("/", preg_replace("|/*(.+?)/*$|", "\\1", BASEPATH));
return $this->slash_item('base_url').end($x).'/';
}
// --------------------------------------------------------------------
/**
* Set a config file item
*
* @access public
* @param string the config item key
* @param string the config item value
* @return void
*/
function set_item($item, $value)
{
$this->config[$item] = $value;
}
}
// END CI_Config class
?>
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