--- /dev/null
+<?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', $base_url);
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Load Config File
+ *
+ * @access public
+ * @param string the config file name
+ * @param boolean if configuration values should be loaded into their own section
+ * @param boolean true if errors should just return false, false if an error message should be displayed
+ * @return boolean if the file was loaded correctly
+ */
+ function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
+ {
+ $file = ($file == '') ? 'config' : str_replace(EXT, '', $file);
+ $found = FALSE;
+ $loaded = FALSE;
+
+ foreach ($this->_config_paths as $path)
+ {
+ $check_locations = defined('ENVIRONMENT')
+ ? array(ENVIRONMENT.'/'.$file, $file)
+ : array($file);
+
+ foreach ($check_locations as $location)
+ {
+ $file_path = $path.'config/'.$location.EXT;
+
+ if (in_array($file_path, $this->is_loaded, TRUE))
+ {
+ $loaded = TRUE;
+ continue 2;
+ }
+
+ if (file_exists($file_path))
+ {
+ $found = TRUE;
+ break;
+ }
+ }
+
+ if ($found === FALSE)
+ {
+ 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 */
\ No newline at end of file
projects / living-lab-site.git / blobdiff