moving core library files out of libraries into new core folder

1 files changed, 244 insertions, 0 deletions

diff --git a/system/core/Config.php b/system/core/Config.php
new file mode 100644
index 000000000..760120779
--- /dev/null
+++ b/system/core/Config.php
@@ -0,0 +1,244 @@
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package		CodeIgniter
+ * @author		ExpressionEngine Dev Team
+ * @copyright	Copyright (c) 2008 - 2010, 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();
+
+	/**
+	 * 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(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 ($pref != '' && substr($pref, -1) != '/')
+		{	
+			$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').trim($uri, '/').$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
+
+/* End of file Config.php */
+/* Location: ./system/libraries/Config.php */
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