diff options
Diffstat (limited to 'system/core/Config.php')
| -rwxr-xr-x | system/core/Config.php | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/system/core/Config.php b/system/core/Config.php new file mode 100755 index 000000000..bfb60fa44 --- /dev/null +++ b/system/core/Config.php @@ -0,0 +1,313 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author ExpressionEngine Dev Team + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CodeIgniter Config Class + * + * This class contains functions that enable config files to be managed + * + * @package CodeIgniter + * @subpackage Libraries + * @category Libraries + * @author ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/libraries/config.html + */ +class CI_Config { + + var $config = array(); + var $is_loaded = array(); + var $_config_paths = array(APPPATH); + + /** + * 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 __construct() + { + $this->config =& get_config(); + log_message('debug', "Config Class Initialized"); + + // Set the base_url automatically if none was provided + if ($this->config['base_url'] == '') + { + if(isset($_SERVER['HTTP_HOST'])) + { + $base_url = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off' ? 'https' : 'http'; + $base_url .= '://'. $_SERVER['HTTP_HOST']; + $base_url .= str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']); + } + + else + { + $base_url = 'http://localhost/'; + } + + $this->set_item('base_url', $base_url); + } + } + + // -------------------------------------------------------------------- + + /** + * Load Config File + * + * @access public + * @param string the config file name + * @return boolean if the file was loaded correctly + */ + function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE) + { + $file = ($file == '') ? 'config' : str_replace(EXT, '', $file); + $loaded = FALSE; + + foreach($this->_config_paths as $path) + { + $file_path = $path.'config/'.$file.EXT; + + if (in_array($file_path, $this->is_loaded, TRUE)) + { + $loaded = TRUE; + continue; + } + + if ( ! file_exists($path.'config/'.$file.EXT)) + { + continue; + } + + include($file_path); + + if ( ! isset($config) OR ! is_array($config)) + { + if ($fail_gracefully === TRUE) + { + return FALSE; + } + show_error('Your '.$file_path.' 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[] = $file_path; + unset($config); + + $loaded = TRUE; + log_message('debug', 'Config file loaded: '.$file_path); + } + + if ($loaded === FALSE) + { + if ($fail_gracefully === TRUE) + { + return FALSE; + } + show_error('The configuration file '.$file.EXT.' does not exist.'); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Fetch a config file item + * + * + * @access public + * @param string the config item name + * @param string the index name + * @param bool + * @return string + */ + function item($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; + } + + return rtrim($this->config[$item], '/').'/'; + } + + // -------------------------------------------------------------------- + + /** + * Site URL + * + * @access public + * @param string the URI string + * @return string + */ + function site_url($uri = '') + { + if ($uri == '') + { + return $this->slash_item('base_url').$this->item('index_page'); + } + + if ($this->item('enable_query_strings') == FALSE) + { + if (is_array($uri)) + { + $uri = implode('/', $uri); + } + + $index = $this->item('index_page') == '' ? '' : $this->slash_item('index_page'); + $suffix = ($this->item('url_suffix') == FALSE) ? '' : $this->item('url_suffix'); + return $this->slash_item('base_url').$index.trim($uri, '/').$suffix; + } + else + { + if (is_array($uri)) + { + $i = 0; + $str = ''; + foreach ($uri as $key => $val) + { + $prefix = ($i == 0) ? '' : '&'; + $str .= $prefix.$key.'='.$val; + $i++; + } + + $uri = $str; + } + + return $this->slash_item('base_url').$this->item('index_page').'?'.$uri; + } + } + + // -------------------------------------------------------------------- + + /** + * 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] = $value; + } + + // -------------------------------------------------------------------- + + /** + * Assign to Config + * + * This function is called by the front controller (CodeIgniter.php) + * after the Config class is instantiated. It permits config items + * to be assigned or overriden by variables contained in the index.php file + * + * @access private + * @param array + * @return void + */ + function _assign_to_config($items = array()) + { + if (is_array($items)) + { + foreach ($items as $key => $val) + { + $this->set_item($key, $val); + } + } + } +} + +// END CI_Config class + +/* End of file Config.php */ +/* Location: ./system/core/Config.php */
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