moving core library files out of libraries into new core folder

1 files changed, 280 insertions, 0 deletions

diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
new file mode 100644
index 000000000..5d5bb144b
--- /dev/null
+++ b/system/core/CodeIgniter.php
@@ -0,0 +1,280 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * System Front Controller
+ *
+ * Loads the base classes and executes the request.
+ *
+ * @package		CodeIgniter
+ * @subpackage	codeigniter
+ * @category	Front-controller
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/
+ */
+
+// CI Version
+define('CI_VERSION',	'1.7.2');
+
+/*
+ * ------------------------------------------------------
+ *  Load the global functions
+ * ------------------------------------------------------
+ */
+require(BASEPATH.'codeigniter/Common'.EXT);
+
+/*
+ * ------------------------------------------------------
+ *  Load the compatibility override functions
+ * ------------------------------------------------------
+ */
+require(BASEPATH.'codeigniter/Compat'.EXT);
+
+/*
+ * ------------------------------------------------------
+ *  Load the framework constants
+ * ------------------------------------------------------
+ */
+require(APPPATH.'config/constants'.EXT);
+
+/*
+ * ------------------------------------------------------
+ *  Define a custom error handler so we can log PHP errors
+ * ------------------------------------------------------
+ */
+set_error_handler('_exception_handler');
+
+if ( ! is_php('5.3'))
+{
+	@set_magic_quotes_runtime(0); // Kill magic quotes
+}
+
+/*
+ * ------------------------------------------------------
+ *  Start the timer... tick tock tick tock...
+ * ------------------------------------------------------
+ */
+
+$BM =& load_class('Benchmark');
+$BM->mark('total_execution_time_start');
+$BM->mark('loading_time_base_classes_start');
+
+/*
+ * ------------------------------------------------------
+ *  Instantiate the hooks class
+ * ------------------------------------------------------
+ */
+
+$EXT =& load_class('Hooks');
+
+/*
+ * ------------------------------------------------------
+ *  Is there a "pre_system" hook?
+ * ------------------------------------------------------
+ */
+$EXT->_call_hook('pre_system');
+
+/*
+ * ------------------------------------------------------
+ *  Instantiate the base classes
+ * ------------------------------------------------------
+ */
+
+$CFG =& load_class('Config');
+$URI =& load_class('URI');
+$RTR =& load_class('Router');
+$OUT =& load_class('Output');
+
+/*
+ * ------------------------------------------------------
+ *	Is there a valid cache file?  If so, we're done...
+ * ------------------------------------------------------
+ */
+
+if ($EXT->_call_hook('cache_override') === FALSE)
+{
+	if ($OUT->_display_cache($CFG, $URI) == TRUE)
+	{
+		exit;
+	}
+}
+
+/*
+ * ------------------------------------------------------
+ *  Load the remaining base classes
+ * ------------------------------------------------------
+ */
+
+$IN		=& load_class('Input');
+$LANG	=& load_class('Language');
+
+/*
+ * ------------------------------------------------------
+ *  Load the app controller and local controller
+ * ------------------------------------------------------
+ *
+ *  Note: Due to the poor object handling in PHP 4 we'll
+ *  conditionally load different versions of the base
+ *  class.  Retaining PHP 4 compatibility requires a bit of a hack.
+ *
+ *  Note: The Loader class needs to be included first
+ *
+ */
+if ( ! is_php('5.0.0'))
+{
+	load_class('Loader', FALSE);
+	require(BASEPATH.'codeigniter/Base4'.EXT);
+}
+else
+{
+	require(BASEPATH.'codeigniter/Base5'.EXT);
+}
+
+// Load the base controller class
+load_class('Controller', FALSE);
+
+// Load the local application controller
+// Note: The Router class automatically validates the controller path.  If this include fails it 
+// means that the default controller in the Routes.php file is not resolving to something valid.
+if ( ! file_exists(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().EXT))
+{
+	show_error('Unable to load your default controller.  Please make sure the controller specified in your Routes.php file is valid.');
+}
+
+include(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().EXT);
+
+// Set a mark point for benchmarking
+$BM->mark('loading_time_base_classes_end');
+
+
+/*
+ * ------------------------------------------------------
+ *  Security check
+ * ------------------------------------------------------
+ *
+ *  None of the functions in the app controller or the
+ *  loader class can be called via the URI, nor can
+ *  controller functions that begin with an underscore
+ */
+$class  = $RTR->fetch_class();
+$method = $RTR->fetch_method();
+
+if ( ! class_exists($class)
+	OR $method == 'controller'
+	OR strncmp($method, '_', 1) == 0
+	OR in_array(strtolower($method), array_map('strtolower', get_class_methods('Controller')))
+	)
+{
+	show_404("{$class}/{$method}");
+}
+
+/*
+ * ------------------------------------------------------
+ *  Is there a "pre_controller" hook?
+ * ------------------------------------------------------
+ */
+$EXT->_call_hook('pre_controller');
+
+/*
+ * ------------------------------------------------------
+ *  Instantiate the controller and call requested method
+ * ------------------------------------------------------
+ */
+
+// Mark a start point so we can benchmark the controller
+$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_start');
+
+$CI = new $class();
+
+// Is this a scaffolding request?
+if ($RTR->scaffolding_request === TRUE)
+{
+	if ($EXT->_call_hook('scaffolding_override') === FALSE)
+	{
+		$CI->_ci_scaffolding();
+	}
+}
+else
+{
+	/*
+	 * ------------------------------------------------------
+	 *  Is there a "post_controller_constructor" hook?
+	 * ------------------------------------------------------
+	 */
+	$EXT->_call_hook('post_controller_constructor');
+	
+	// Is there a "remap" function?
+	if (method_exists($CI, '_remap'))
+	{
+		$CI->_remap($method);
+	}
+	else
+	{
+		// is_callable() returns TRUE on some versions of PHP 5 for private and protected
+		// methods, so we'll use this workaround for consistent behavior
+		if ( ! in_array(strtolower($method), array_map('strtolower', get_class_methods($CI))))
+		{
+			show_404("{$class}/{$method}");
+		}
+
+		// Call the requested method.
+		// Any URI segments present (besides the class/function) will be passed to the method for convenience
+		call_user_func_array(array(&$CI, $method), array_slice($URI->rsegments, 2));
+	}
+}
+
+// Mark a benchmark end point
+$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_end');
+
+/*
+ * ------------------------------------------------------
+ *  Is there a "post_controller" hook?
+ * ------------------------------------------------------
+ */
+$EXT->_call_hook('post_controller');
+
+/*
+ * ------------------------------------------------------
+ *  Send the final rendered output to the browser
+ * ------------------------------------------------------
+ */
+
+if ($EXT->_call_hook('display_override') === FALSE)
+{
+	$OUT->_display();
+}
+
+/*
+ * ------------------------------------------------------
+ *  Is there a "post_system" hook?
+ * ------------------------------------------------------
+ */
+$EXT->_call_hook('post_system');
+
+/*
+ * ------------------------------------------------------
+ *  Close the DB connection if one exists
+ * ------------------------------------------------------
+ */
+if (class_exists('CI_DB') AND isset($CI->db))
+{
+	$CI->db->close();
+}
+
+
+/* End of file CodeIgniter.php */
+/* Location: ./system/codeigniter/CodeIgniter.php */
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