<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class MY_Loader extends CI_Loader {


    function library_exist($class)
    {

        // Get the class name, and while we're at it trim any slashes.
        // The directory path can be included as part of the class name,
        // but we don't want a leading slash
        $class = str_replace(EXT, '', trim($class, '/'));

        // Was the path included with the class name?
        // We look for a slash to determine this
        $subdir = '';
        if (strpos($class, '/') !== FALSE)
        {
            // explode the path so we can separate the filename from the path
            $x = explode('/', $class);

            // Reset the $class variable now that we know the actual filename
            $class = end($x);

            // Kill the filename from the array
            unset($x[count($x)-1]);

            // Glue the path back together, sans filename
            $subdir = implode($x, '/').'/';
        }


        // We'll test for both lowercase and capitalized versions of the file name
        foreach (array(ucfirst($class), strtolower($class)) as $class)
        {
            // Lets search for the requested library file and load it.
            for ($i = 1; $i < 3; $i++)
            {
                $path = ($i % 2) ? APPPATH : BASEPATH;
                $filepath = $path.'libraries/'.$subdir.$class.EXT;

                // Does the file exist?  No?  Bummer...
                if ( ! file_exists($filepath))
                {
                    continue;
                }
                else
                {
                    return TRUE;
                }
            }
        }

        // One last attempt.  Maybe the library is in a subdirectory, but it wasn't specified?
        if ($subdir == '')
        {
            $path = strtolower($class).'/'.$class;
            return $this->library_exist($path);
        }

        return FALSE;

    }
}