libraries/Language.php

   1 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
   2 /**
   3  * CodeIgniter
   4  *
   5  * An open source application development framework for PHP 4.3.2 or newer
   6  *
   7  * @package             CodeIgniter
   8  * @author              ExpressionEngine Dev Team
   9  * @copyright   Copyright (c) 2008 - 2009, EllisLab, Inc.
  10  * @license             http://codeigniter.com/user_guide/license.html
  11  * @link                http://codeigniter.com
  12  * @since               Version 1.0
  13  * @filesource
  14  */
  15
  16 // ------------------------------------------------------------------------
  17
  18 /**
  19  * Language Class
  20  *
  21  * @package             CodeIgniter
  22  * @subpackage  Libraries
  23  * @category    Language
  24  * @author              ExpressionEngine Dev Team
  25  * @link                http://codeigniter.com/user_guide/libraries/language.html
  26  */
  27 class CI_Language {
  28
  29         var $language   = array();
  30         var $is_loaded  = array();
  31
  32         /**
  33          * Constructor
  34          *
  35          * @access      public
  36          */
  37         function CI_Language()
  38         {
  39                 log_message('debug', "Language Class Initialized");
  40         }
  41
  42         // --------------------------------------------------------------------
  43
  44         /**
  45          * Load a language file
  46          *
  47          * @access      public
  48          * @param       mixed   the name of the language file to be loaded. Can be an array
  49          * @param       string  the language (english, etc.)
  50          * @return      mixed
  51          */
  52         function load($langfile = '', $idiom = '', $return = FALSE)
  53         {
  54                 $langfile = str_replace(EXT, '', str_replace('_lang.', '', $langfile)).'_lang'.EXT;
  55
  56                 if (in_array($langfile, $this->is_loaded, TRUE))
  57                 {
  58                         return;
  59                 }
  60
  61                 if ($idiom == '')
  62                 {
  63                         $CI =& get_instance();
  64                         $deft_lang = $CI->config->item('language');
  65                         $idiom = ($deft_lang == '') ? 'english' : $deft_lang;
  66                 }
  67
  68                 // Determine where the language file is and load it
  69                 if (file_exists(APPPATH.'language/'.$idiom.'/'.$langfile))
  70                 {
  71                         include(APPPATH.'language/'.$idiom.'/'.$langfile);
  72                 }
  73                 else
  74                 {
  75                         if (file_exists(BASEPATH.'language/'.$idiom.'/'.$langfile))
  76                         {
  77                                 include(BASEPATH.'language/'.$idiom.'/'.$langfile);
  78                         }
  79                         else
  80                         {
  81                                 show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile);
  82                         }
  83                 }
  84
  85                 if ( ! isset($lang))
  86                 {
  87                         log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile);
  88                         return;
  89                 }
  90
  91                 if ($return == TRUE)
  92                 {
  93                         return $lang;
  94                 }
  95
  96                 $this->is_loaded[] = $langfile;
  97                 $this->language = array_merge($this->language, $lang);
  98                 unset($lang);
  99
 100                 log_message('debug', 'Language file loaded: language/'.$idiom.'/'.$langfile);
 101                 return TRUE;
 102         }
 103
 104         // --------------------------------------------------------------------
 105
 106         /**
 107          * Fetch a single line of text from the language array
 108          *
 109          * @access      public
 110          * @param       string  $line   the language line
 111          * @return      string
 112          */
 113         function line($line = '')
 114         {
 115                 $line = ($line == '' OR ! isset($this->language[$line])) ? FALSE : $this->language[$line];
 116                 return $line;
 117         }
 118
 119 }
 120 // END Language Class
 121
 122 /* End of file Language.php */
 123 /* Location: ./system/libraries/Language.php */